ref: f54501c2592bd7cee283a243391d07f2dd131373
parent: 2f6d6e90fd2ec071a45d99b9682ccb67552b18de
author: Philip Silva <philip.silva@protonmail.com>
date: Mon Nov 22 17:38:28 EST 2021
Various 9legacy patches
--- /dev/null
+++ b/9legacy/9_bcm.diff
@@ -1,0 +1,391 @@
+diff -urP sys/src/9/bcm/archbcm.c /sys/src/9/bcm/archbcm.c
+--- sys/src/9/bcm/archbcm.c Thu Jun 24 18:58:12 2021
++++ /sys/src/9/bcm/archbcm.c Tue Aug 20 11:18:46 2019
+@@ -138,7 +138,28 @@
+ */
+
+ long
+-ainc(long *p)
++_xdec(long *p)
++{++ int s, v;
++
++ s = splhi();
++ v = --*p;
++ splx(s);
++ return v;
++}
++
++void
++_xinc(long *p)
++{++ int s;
++
++ s = splhi();
++ ++*p;
++ splx(s);
++}
++
++int
++ainc(int *p)
+ {+ int s, v;
+
+@@ -148,8 +169,8 @@
+ return v;
+ }
+
+-long
+-adec(long *p)
++int
++adec(int *p)
+ {+ int s, v;
+
+diff -urP sys/src/9/bcm/main.c /sys/src/9/bcm/main.c
+--- sys/src/9/bcm/main.c Thu Jun 24 18:58:13 2021
++++ /sys/src/9/bcm/main.c Sat Jul 4 10:38:16 2020
+@@ -510,6 +510,7 @@
+ ulong kpages;
+ uintptr pa;
+ char *p;
++ extern ulong xmembase, xmempages;
+
+ if(0 && (p = getconf("service")) != nil){+ if(strcmp(p, "cpu") == 0)
+@@ -531,20 +532,24 @@
+ /*
+ * pi4 extra memory (beyond video ram) indicated by board id
+ */
+- switch(getboardrev()&0xF00000){+- case 0xA00000:
++ switch(getboardrev()&0xFFFFFF){++ case 0xA03111:
+ break;
+- case 0xB00000:
++ case 0xB03111:
++ case 0xB03112:
+ conf.mem[1].base = 1*GiB;
+ conf.mem[1].limit = 2*GiB;
+ break;
+- case 0xC00000:
++ case 0xC03111:
++ case 0xC03112:
+ conf.mem[1].base = 1*GiB;
+ conf.mem[1].limit = 0xFFF00000;
+ break;
+- case 0xD00000:
++ case 0xD03114:
+ conf.mem[1].base = 1*GiB;
+ conf.mem[1].limit = 0xFFF00000;
++ //xmembase = 1<<20; /* 4*GiB / BY2PG */
++ //xmempages = 1<<20; /* as above */
+ break;
+ }
+ if(conf.mem[1].limit > soc.dramsize)
+@@ -608,7 +613,7 @@
+ + conf.nproc*sizeof(Proc)
+ + conf.nimage*sizeof(Image)
+ + conf.nswap
+- + conf.nswppo*sizeof(Page*);
++ + conf.nswppo*sizeof(Page);
+ mainmem->maxsize = kpages;
+ if(!cpuserver)
+ /*
+diff -urP sys/src/9/bcm/screen.c /sys/src/9/bcm/screen.c
+--- sys/src/9/bcm/screen.c Thu Jun 24 18:58:13 2021
++++ /sys/src/9/bcm/screen.c Mon May 30 11:38:43 2016
+@@ -326,11 +326,6 @@
+ set = screensize() == 0;
+ fb = fbinit(set, &xgscreen.r.max.x, &xgscreen.r.max.y, &xgscreen.depth);
+ if(fb == nil){+- xgscreen.r.max = Pt(640, 480);
+- xgscreen.depth = 16;
+- fb = fbinit(set, &xgscreen.r.max.x, &xgscreen.r.max.y, &xgscreen.depth);
+- }
+- if(fb == nil){+ print("can't initialise %dx%dx%d framebuffer \n",+ xgscreen.r.max.x, xgscreen.r.max.y, xgscreen.depth);
+ return;
+@@ -349,7 +344,7 @@
+ chan = rgbswap? RGB24 : BGR24;
+ break;
+ case 32:
+- chan = rgbswap? XRGB32 : XBGR32;
++ chan = ARGB32;
+ break;
+ }
+ memsetchan(&xgscreen, chan);
+diff -urP sys/src/9/bcm/taslock.c /sys/src/9/bcm/taslock.c
+--- sys/src/9/bcm/taslock.c Thu Jan 1 01:00:00 1970
++++ /sys/src/9/bcm/taslock.c Fri Mar 4 10:49:37 2016
+@@ -0,0 +1,257 @@
++#include "u.h"
++#include "../port/lib.h"
++#include "mem.h"
++#include "dat.h"
++#include "fns.h"
++#include "../port/error.h"
++#include "../port/edf.h"
++
++long maxlockcycles;
++long maxilockcycles;
++long cumlockcycles;
++long cumilockcycles;
++ulong maxlockpc;
++ulong maxilockpc;
++
++struct
++{++ ulong locks;
++ ulong glare;
++ ulong inglare;
++} lockstats;
++
++static void
++inccnt(Ref *r)
++{++ _xinc(&r->ref);
++}
++
++static int
++deccnt(Ref *r)
++{++ int x;
++
++ x = _xdec(&r->ref);
++ if(x < 0)
++ panic("deccnt pc=%#p", getcallerpc(&r));++ return x;
++}
++
++static void
++dumplockmem(char *tag, Lock *l)
++{++ uchar *cp;
++ int i;
++
++ iprint("%s: ", tag);++ cp = (uchar*)l;
++ for(i = 0; i < 64; i++)
++ iprint("%2.2ux ", cp[i]);++ iprint("\n");++}
++
++void
++lockloop(Lock *l, ulong pc)
++{++ Proc *p;
++
++ p = l->p;
++ print("lock %#p loop key %#lux pc %#lux held by pc %#lux proc %lud\n",++ l, l->key, pc, l->pc, p ? p->pid : 0);
++ dumpaproc(up);
++ if(p != nil)
++ dumpaproc(p);
++}
++
++int
++lock(Lock *l)
++{++ int i;
++ ulong pc;
++
++ pc = getcallerpc(&l);
++
++ lockstats.locks++;
++ if(up)
++ inccnt(&up->nlocks); /* prevent being scheded */
++ if(tas(&l->key) == 0){++ if(up)
++ up->lastlock = l;
++ l->pc = pc;
++ l->p = up;
++ l->isilock = 0;
++#ifdef LOCKCYCLES
++ l->lockcycles = -lcycles();
++#endif
++ return 0;
++ }
++ if(up)
++ deccnt(&up->nlocks);
++
++ lockstats.glare++;
++ for(;;){++ lockstats.inglare++;
++ i = 0;
++ while(l->key){++ if(conf.nmach < 2 && up && up->edf && (up->edf->flags & Admitted)){++ /*
++ * Priority inversion, yield on a uniprocessor; on a
++ * multiprocessor, the other processor will unlock
++ */
++ print("inversion %#p pc %#lux proc %lud held by pc %#lux proc %lud\n",++ l, pc, up ? up->pid : 0, l->pc, l->p ? l->p->pid : 0);
++ up->edf->d = todget(nil); /* yield to process with lock */
++ }
++ if(i++ > 100000000){++ i = 0;
++ lockloop(l, pc);
++ }
++ }
++ if(up)
++ inccnt(&up->nlocks);
++ if(tas(&l->key) == 0){++ if(up)
++ up->lastlock = l;
++ l->pc = pc;
++ l->p = up;
++ l->isilock = 0;
++#ifdef LOCKCYCLES
++ l->lockcycles = -lcycles();
++#endif
++ return 1;
++ }
++ if(up)
++ deccnt(&up->nlocks);
++ }
++}
++
++void
++ilock(Lock *l)
++{++ ulong x;
++ ulong pc;
++
++ pc = getcallerpc(&l);
++ lockstats.locks++;
++
++ x = splhi();
++ if(tas(&l->key) != 0){++ lockstats.glare++;
++ /*
++ * Cannot also check l->pc, l->m, or l->isilock here
++ * because they might just not be set yet, or
++ * (for pc and m) the lock might have just been unlocked.
++ */
++ for(;;){++ lockstats.inglare++;
++ splx(x);
++ while(l->key)
++ ;
++ x = splhi();
++ if(tas(&l->key) == 0)
++ goto acquire;
++ }
++ }
++acquire:
++ m->ilockdepth++;
++ if(up)
++ up->lastilock = l;
++ l->sr = x;
++ l->pc = pc;
++ l->p = up;
++ l->isilock = 1;
++ l->m = MACHP(m->machno);
++#ifdef LOCKCYCLES
++ l->lockcycles = -lcycles();
++#endif
++}
++
++int
++canlock(Lock *l)
++{++ if(up)
++ inccnt(&up->nlocks);
++ if(tas(&l->key)){++ if(up)
++ deccnt(&up->nlocks);
++ return 0;
++ }
++
++ if(up)
++ up->lastlock = l;
++ l->pc = getcallerpc(&l);
++ l->p = up;
++ l->m = MACHP(m->machno);
++ l->isilock = 0;
++#ifdef LOCKCYCLES
++ l->lockcycles = -lcycles();
++#endif
++ return 1;
++}
++
++void
++unlock(Lock *l)
++{++#ifdef LOCKCYCLES
++ l->lockcycles += lcycles();
++ cumlockcycles += l->lockcycles;
++ if(l->lockcycles > maxlockcycles){++ maxlockcycles = l->lockcycles;
++ maxlockpc = l->pc;
++ }
++#endif
++ if(l->key == 0)
++ print("unlock: not locked: pc %#p\n", getcallerpc(&l));++ if(l->isilock)
++ print("unlock of ilock: pc %lux, held by %lux\n", getcallerpc(&l), l->pc);++ if(l->p != up)
++ print("unlock: up changed: pc %#p, acquired at pc %lux, lock p %#p, unlock up %#p\n", getcallerpc(&l), l->pc, l->p, up);++ l->m = nil;
++ coherence();
++ l->key = 0;
++ coherence();
++
++ if(up && deccnt(&up->nlocks) == 0 && up->delaysched && islo()){++ /*
++ * Call sched if the need arose while locks were held
++ * But, don't do it from interrupt routines, hence the islo() test
++ */
++ sched();
++ }
++}
++
++ulong ilockpcs[0x100] = { [0xff] = 1 };++static int n;
++
++void
++iunlock(Lock *l)
++{++ ulong sr;
++
++#ifdef LOCKCYCLES
++ l->lockcycles += lcycles();
++ cumilockcycles += l->lockcycles;
++ if(l->lockcycles > maxilockcycles){++ maxilockcycles = l->lockcycles;
++ maxilockpc = l->pc;
++ }
++ if(l->lockcycles > 2400)
++ ilockpcs[n++ & 0xff] = l->pc;
++#endif
++ if(l->key == 0)
++ print("iunlock: not locked: pc %#p\n", getcallerpc(&l));++ if(!l->isilock)
++ print("iunlock of lock: pc %#p, held by %#lux\n", getcallerpc(&l), l->pc);++ if(islo())
++ print("iunlock while lo: pc %#p, held by %#lux\n", getcallerpc(&l), l->pc);++
++ sr = l->sr;
++ l->m = nil;
++ coherence();
++ l->key = 0;
++ coherence();
++ m->ilockdepth--;
++ if(up)
++ up->lastilock = nil;
++ splx(sr);
++}
+diff -urP sys/src/9/port/portfns.h /sys/src/9/port/portfns.h
+--- sys/src/9/port/portfns.h Sat Jun 26 21:21:40 2021
++++ /sys/src/9/port/portfns.h Sun Jun 27 13:29:35 2021
+@@ -405,6 +405,8 @@
+ ulong µs(void);
+ long ainc(long*);
+ long adec(long*);
++void _xinc(long*);
++long _xdec(long*);
+ long lcycles(void);
+
+ #pragma varargck argpos iprint 1
--- /dev/null
+++ b/9legacy/9front_libsec.diff
@@ -1,0 +1,19650 @@
+--- /sys/src/libc/9sys/pushtls.c Thu Jul 15 09:41:49 2021
++++ /sys/src/libc/9sys/pushtls.c Mon Jul 12 10:56:52 2021
+@@ -42,14 +42,14 @@
+ pushtls(int fd, char *hashalg, char *encalg, int isclient, char *secret, char *dir)
+ {+ char buf[8];
+- char dname[64];
++ char dname[32];
+ int n, data, ctl, hand;
+
+ // open a new filter; get ctl fd
+ data = hand = -1;
+ // /net/tls uses decimal file descriptors to name channels, hence a
+ // user-level file server can't stand in for #a; may as well hard-code it.
+- ctl = open("#a/tls/clone", ORDWR);++ ctl = open("#a/tls/clone", ORDWR|OCEXEC);+ if(ctl < 0)
+ goto error;
+ n = read(ctl, buf, sizeof(buf)-1);
+@@ -60,14 +60,14 @@
+ sprint(dir, "#a/tls/%s", buf);
+
+ // get application fd
+- snprint(dname, sizeof dname, "#a/tls/%s/data", buf);
++ snprint(dname, sizeof(dname), "#a/tls/%s/data", buf);
+ data = open(dname, ORDWR);
+ if(data < 0)
+ goto error;
+
+ // get handshake fd
+- snprint(dname, sizeof dname, "#a/tls/%s/hand", buf);
+- hand = open(dname, ORDWR);
++ snprint(dname, sizeof(dname), "#a/tls/%s/hand", buf);
++ hand = open(dname, ORDWR|OCEXEC);
+ if(hand < 0)
+ goto error;
+
+--- sys/src/ape/lib/mp/port/libc.h Thu Jul 1 17:29:16 2021
++++ /sys/src/ape/lib/mp/port/libc.h Tue Jun 29 01:46:14 2021
+@@ -4,6 +4,7 @@
+ #include <string.h>
+ #include <utf.h>
+ #include <fmt.h>
++#include <assert.h>
+ #ifndef _SUSV2_SOURCE
+ #define _SUSV2_SOURCE
+ #include <inttypes.h>
+--- sys/src/ape/lib/9/mkfile Wed May 29 01:18:14 2013
++++ /sys/src/ape/lib/9/mkfile Tue Jun 29 23:03:17 2021
+@@ -14,6 +14,7 @@
+ segflush.$O\
+ segfree.$O\
+ setmalloctag.$O\
++ setrealloctag.$O\
+ sysfatal.$O\
+ tokenize.$O\
+ truerand.$O\
+--- sys/src/ape/lib/9/libc.h Thu Jul 1 17:29:16 2021
++++ /sys/src/ape/lib/9/libc.h Tue Jun 29 23:29:25 2021
+@@ -145,7 +145,8 @@
+
+ #define ERRMAX 128
+
+-extern void setmalloctag(void*, ulong);
++extern void setmalloctag(void*, ulong);
++extern void setrealloctag(void*, uintptr_t);
+ extern uintptr_t getcallerpc(void*);
+
+ /* Used in libsec.h and not picked up in earlier type definitions */
+--- /dev/null Mon Jun 28 00:12:24 2021
++++ /sys/src/ape/lib/9/setrealloctag.c Tue Jun 29 23:29:29 2021
+@@ -0,0 +1,12 @@
++#ifndef _SUSV2_SOURCE
++#define _SUSV2_SOURCE
++#include <inttypes.h>
++#undef _SUSV2_SOURCE
++#else
++#include <inttypes.h>
++#endif
++
++void
++setrealloctag(void*, uintptr_t)
++{++}
+--- sys/src/ape/lib/sec/port/libc.h Thu Sep 19 23:24:49 2013
++++ /sys/src/ape/lib/sec/port/libc.h Tue Jun 29 23:31:40 2021
+@@ -2,6 +2,14 @@
+ #define _QLOCK_EXTENSION
+ #define _BSD_EXTENSION
+ #include <sys/types.h>
++#ifndef _SUSV2_SOURCE
++#define _SUSV2_SOURCE
++#include <inttypes.h>
++#undef _SUSV2_SOURCE
++#else
++#include <inttypes.h>
++#endif
++
+ #include <lock.h>
+ #include <qlock.h>
+ #include <lib9.h>
+@@ -170,6 +178,7 @@
+ #define ERRMAX 128
+
+ extern void setmalloctag(void*, ulong);
++extern void setrealloctag(void*, uintptr_t);
+ extern ulong getcallerpc(void*);
+
+ /* Used in libsec.h and not picked up in earlier type definitions */
+--- sys/include/ape/libsec.h Wed Jan 30 22:18:23 2013
++++ /sys/include/ape/libsec.h Mon Jul 12 11:08:00 2021
+@@ -26,28 +26,47 @@
+ struct AESstate
+ {+ ulong setup;
++ ulong offset;
+ int rounds;
+ int keybytes;
+ uint ctrsz;
++ void *ekey; /* expanded encryption round key */
++ void *dkey; /* expanded decryption round key */
+ uchar key[AESmaxkey]; /* unexpanded key */
+- ulong ekey[4*(AESmaxrounds + 1)]; /* encryption key */
+- ulong dkey[4*(AESmaxrounds + 1)]; /* decryption key */
+ uchar ivec[AESbsize]; /* initialization vector */
+- uchar mackey[3 * AESbsize]; /* 3 XCBC mac 96 keys */
++ uchar storage[512]; /* storage for expanded keys */
+ };
+
+ /* block ciphers */
+-void aes_encrypt(ulong rk[], int Nr, uchar pt[16], uchar ct[16]);
+-void aes_decrypt(ulong rk[], int Nr, uchar ct[16], uchar pt[16]);
++extern void (*aes_encrypt)(ulong rk[], int Nr, uchar pt[16], uchar ct[16]);
++extern void (*aes_decrypt)(ulong rk[], int Nr, uchar ct[16], uchar pt[16]);
+
+-void setupAESstate(AESstate *s, uchar key[], int keybytes, uchar *ivec);
++void setupAESstate(AESstate *s, uchar key[], int nkey, uchar *ivec);
++
++void aesCTRencrypt(uchar *p, int len, AESstate *s);
++void aesCTRdecrypt(uchar *p, int len, AESstate *s);
+ void aesCBCencrypt(uchar *p, int len, AESstate *s);
+ void aesCBCdecrypt(uchar *p, int len, AESstate *s);
+-void aesCTRdecrypt(uchar *p, int len, AESstate *s);
+-void aesCTRencrypt(uchar *p, int len, AESstate *s);
++void aesCFBencrypt(uchar *p, int len, AESstate *s);
++void aesCFBdecrypt(uchar *p, int len, AESstate *s);
++void aesOFBencrypt(uchar *p, int len, AESstate *s);
++
++void aes_xts_encrypt(AESstate *tweak, AESstate *ecb, uvlong sectorNumber, uchar *input, uchar *output, ulong len);
++void aes_xts_decrypt(AESstate *tweak, AESstate *ecb, uvlong sectorNumber, uchar *input, uchar *output, ulong len);
++
++typedef struct AESGCMstate AESGCMstate;
++struct AESGCMstate
++{++ AESstate;
++
++ ulong H[4];
++ ulong M[16][256][4];
++};
+
+-void setupAESXCBCstate(AESstate *s);
+-uchar* aesXCBCmac(uchar *p, int len, AESstate *s);
++void setupAESGCMstate(AESGCMstate *s, uchar *key, int keylen, uchar *iv, int ivlen);
++void aesgcm_setiv(AESGCMstate *s, uchar *iv, int ivlen);
++void aesgcm_encrypt(uchar *dat, ulong ndat, uchar *aad, ulong naad, uchar tag[16], AESGCMstate *s);
++int aesgcm_decrypt(uchar *dat, ulong ndat, uchar *aad, ulong naad, uchar tag[16], AESGCMstate *s);
+
+ /*
+ * Blowfish Definitions
+@@ -79,6 +98,76 @@
+ void bfECBdecrypt(uchar*, int, BFstate*);
+
+ /*
++ * Chacha definitions
++ */
++
++enum
++{++ ChachaBsize= 64,
++ ChachaKeylen= 256/8,
++ ChachaIVlen= 96/8,
++ XChachaIVlen= 192/8,
++};
++
++typedef struct Chachastate Chachastate;
++struct Chachastate
++{++ union{++ u32int input[16];
++ struct {++ u32int constant[4];
++ u32int key[8];
++ u32int counter;
++ u32int iv[3];
++ };
++ };
++ u32int xkey[8];
++ int rounds;
++ int ivwords;
++};
++
++void setupChachastate(Chachastate*, uchar*, ulong, uchar*, ulong, int);
++void chacha_setiv(Chachastate *, uchar*);
++void chacha_setblock(Chachastate*, u64int);
++void chacha_encrypt(uchar*, ulong, Chachastate*);
++void chacha_encrypt2(uchar*, uchar*, ulong, Chachastate*);
++
++void hchacha(uchar h[32], uchar *key, ulong keylen, uchar nonce[16], int rounds);
++
++void ccpoly_encrypt(uchar *dat, ulong ndat, uchar *aad, ulong naad, uchar tag[16], Chachastate *cs);
++int ccpoly_decrypt(uchar *dat, ulong ndat, uchar *aad, ulong naad, uchar tag[16], Chachastate *cs);
++
++/*
++ * Salsa definitions
++ */
++enum
++{++ SalsaBsize= 64,
++ SalsaKeylen= 256/8,
++ SalsaIVlen= 64/8,
++ XSalsaIVlen= 192/8,
++};
++
++typedef struct Salsastate Salsastate;
++struct Salsastate
++{++ u32int input[16];
++ u32int xkey[8];
++ int rounds;
++ int ivwords;
++};
++
++void setupSalsastate(Salsastate*, uchar*, ulong, uchar*, ulong, int);
++void salsa_setiv(Salsastate*, uchar*);
++void salsa_setblock(Salsastate*, u64int);
++void salsa_encrypt(uchar*, ulong, Salsastate*);
++void salsa_encrypt2(uchar*, uchar*, ulong, Salsastate*);
++
++void salsa_core(u32int in[16], u32int out[16], int rounds);
++
++void hsalsa(uchar h[32], uchar *key, ulong keylen, uchar nonce[16], int rounds);
++
++/*
+ * DES definitions
+ */
+
+@@ -149,7 +238,8 @@
+ SHA2_512dlen= 64, /* SHA-512 digest length */
+ MD4dlen= 16, /* MD4 digest length */
+ MD5dlen= 16, /* MD5 digest length */
+- AESdlen= 16, /* TODO: see rfc */
++ RIPEMD160dlen= 20, /* RIPEMD-160 digest length */
++ Poly1305dlen= 16, /* Poly1305 digest length */
+
+ Hmacblksz = 64, /* in bytes; from rfc2104 */
+ };
+@@ -159,7 +249,7 @@
+ {+ uvlong len;
+ union {+- u32int state[8];
++ u32int state[16];
+ u64int bstate[8];
+ };
+ uchar buf[256];
+@@ -175,16 +265,15 @@
+ typedef struct DigestState SHA2_512state;
+ typedef struct DigestState MD5state;
+ typedef struct DigestState MD4state;
+-typedef struct DigestState AEShstate;
+
+ DigestState* md4(uchar*, ulong, uchar*, DigestState*);
+ DigestState* md5(uchar*, ulong, uchar*, DigestState*);
++DigestState* ripemd160(uchar *, ulong, uchar *, DigestState *);
+ DigestState* sha1(uchar*, ulong, uchar*, DigestState*);
+ DigestState* sha2_224(uchar*, ulong, uchar*, DigestState*);
+ DigestState* sha2_256(uchar*, ulong, uchar*, DigestState*);
+ DigestState* sha2_384(uchar*, ulong, uchar*, DigestState*);
+ DigestState* sha2_512(uchar*, ulong, uchar*, DigestState*);
+-DigestState* aes(uchar*, ulong, uchar*, DigestState*);
+ DigestState* hmac_x(uchar *p, ulong len, uchar *key, ulong klen,
+ uchar *digest, DigestState *s,
+ DigestState*(*x)(uchar*, ulong, uchar*, DigestState*),
+@@ -195,7 +284,7 @@
+ DigestState* hmac_sha2_256(uchar*, ulong, uchar*, ulong, uchar*, DigestState*);
+ DigestState* hmac_sha2_384(uchar*, ulong, uchar*, ulong, uchar*, DigestState*);
+ DigestState* hmac_sha2_512(uchar*, ulong, uchar*, ulong, uchar*, DigestState*);
+-DigestState* hmac_aes(uchar*, ulong, uchar*, ulong, uchar*, DigestState*);
++DigestState* poly1305(uchar*, ulong, uchar*, ulong, uchar*, DigestState*);
+ char* md5pickle(MD5state*);
+ MD5state* md5unpickle(char*);
+ char* sha1pickle(SHA1state*);
+@@ -280,15 +369,27 @@
+ void rsaprivfree(RSApriv*);
+ RSApub* rsaprivtopub(RSApriv*);
+ RSApub* X509toRSApub(uchar*, int, char*, int);
++RSApub* asn1toRSApub(uchar*, int);
+ RSApriv* asn1toRSApriv(uchar*, int);
+ void asn1dump(uchar *der, int len);
+ uchar* decodePEM(char *s, char *type, int *len, char **new_s);
+ PEMChain* decodepemchain(char *s, char *type);
+-uchar* X509gen(RSApriv *priv, char *subj, ulong valid[2], int *certlen);
+-uchar* X509req(RSApriv *priv, char *subj, int *certlen);
+-char* X509verify(uchar *cert, int ncert, RSApub *pk);
++uchar* X509rsagen(RSApriv *priv, char *subj, ulong valid[2], int *certlen);
++uchar* X509rsareq(RSApriv *priv, char *subj, int *certlen);
++char* X509rsaverify(uchar *cert, int ncert, RSApub *pk);
++char* X509rsaverifydigest(uchar *sig, int siglen, uchar *edigest, int edigestlen, RSApub *pk);
++
+ void X509dump(uchar *cert, int ncert);
+
++mpint* pkcs1padbuf(uchar *buf, int len, mpint *modulus, int blocktype);
++int pkcs1unpadbuf(uchar *buf, int len, mpint *modulus, int blocktype);
++int asn1encodeRSApub(RSApub *pk, uchar *buf, int len);
++int asn1encodeRSApriv(RSApriv *k, uchar *buf, int len);
++int asn1encodedigest(DigestState* (*fun)(uchar*, ulong, uchar*, DigestState*),
++ uchar *digest, uchar *buf, int len);
++
++int X509digestSPKI(uchar *, int, DigestState* (*)(uchar*, ulong, uchar*, DigestState*), uchar *);
++
+ /*
+ * elgamal
+ */
+@@ -376,21 +477,26 @@
+ */
+ typedef struct Thumbprint{+ struct Thumbprint *next;
+- uchar sha1[SHA1dlen];
++ uchar hash[SHA2_256dlen];
++ uchar len;
+ } Thumbprint;
+
+ typedef struct TLSconn{+ char dir[40]; /* connection directory */
+ uchar *cert; /* certificate (local on input, remote on output) */
+ uchar *sessionID;
++ uchar *psk;
+ int certlen;
+ int sessionIDlen;
++ int psklen;
+ int (*trace)(char*fmt, ...);
+ PEMChain*chain; /* optional extra certificate evidence for servers to present */
+ char *sessionType;
+ uchar *sessionKey;
+ int sessionKeylen;
+ char *sessionConst;
++ char *serverName;
++ char *pskID;
+ } TLSconn;
+
+ /* tlshand.c */
+@@ -398,12 +504,106 @@
+ int tlsServer(int fd, TLSconn *c);
+
+ /* thumb.c */
+-Thumbprint* initThumbprints(char *ok, char *crl);
++Thumbprint* initThumbprints(char *ok, char *crl, char *tag);
+ void freeThumbprints(Thumbprint *ok);
+-int okThumbprint(uchar *sha1, Thumbprint *ok);
++int okThumbprint(uchar *hash, int len, Thumbprint *ok);
++int okCertificate(uchar *cert, int len, Thumbprint *ok);
+
+ /* readcert.c */
+ uchar *readcert(char *filename, int *pcertlen);
+ PEMChain*readcertchain(char *filename);
++
++typedef struct ECpoint{++ int inf;
++ mpint *x;
++ mpint *y;
++ mpint *z; /* nil when using affine coordinates */
++} ECpoint;
++
++typedef ECpoint ECpub;
++typedef struct ECpriv{++ ECpoint;
++ mpint *d;
++} ECpriv;
++
++typedef struct ECdomain{++ mpint *p;
++ mpint *a;
++ mpint *b;
++ ECpoint G;
++ mpint *n;
++ mpint *h;
++} ECdomain;
++
++void ecdominit(ECdomain *, void (*init)(mpint *p, mpint *a, mpint *b, mpint *x, mpint *y, mpint *n, mpint *h));
++void ecdomfree(ECdomain *);
++
++void ecassign(ECdomain *, ECpoint *old, ECpoint *new);
++void ecadd(ECdomain *, ECpoint *a, ECpoint *b, ECpoint *s);
++void ecmul(ECdomain *, ECpoint *a, mpint *k, ECpoint *s);
++ECpoint* strtoec(ECdomain *, char *, char **, ECpoint *);
++ECpriv* ecgen(ECdomain *, ECpriv*);
++int ecverify(ECdomain *, ECpoint *);
++int ecpubverify(ECdomain *, ECpub *);
++void ecdsasign(ECdomain *, ECpriv *, uchar *, int, mpint *, mpint *);
++int ecdsaverify(ECdomain *, ECpub *, uchar *, int, mpint *, mpint *);
++void base58enc(uchar *, char *, int);
++int base58dec(char *, uchar *, int);
++
++ECpub* ecdecodepub(ECdomain *dom, uchar *, int);
++int ecencodepub(ECdomain *dom, ECpub *, uchar *, int);
++void ecpubfree(ECpub *);
++
++ECpub* X509toECpub(uchar *cert, int ncert, char *name, int nname, ECdomain *dom);
++char* X509ecdsaverify(uchar *cert, int ncert, ECdomain *dom, ECpub *pub);
++char* X509ecdsaverifydigest(uchar *sig, int siglen, uchar *edigest, int edigestlen, ECdomain *dom, ECpub *pub);
++
++/* curves */
++void secp256r1(mpint *p, mpint *a, mpint *b, mpint *x, mpint *y, mpint *n, mpint *h);
++void secp256k1(mpint *p, mpint *a, mpint *b, mpint *x, mpint *y, mpint *n, mpint *h);
++void secp384r1(mpint *p, mpint *a, mpint *b, mpint *x, mpint *y, mpint *n, mpint *h);
++
++/*
++ * Diffie-Hellman key exchange
++ */
++
++typedef struct DHstate DHstate;
++struct DHstate
++{++ mpint *g; /* base g */
++ mpint *p; /* large prime */
++ mpint *q; /* subgroup prime */
++ mpint *x; /* random secret */
++ mpint *y; /* public key y = g**x % p */
++};
++
++/* generate new public key: y = g**x % p */
++mpint* dh_new(DHstate *dh, mpint *p, mpint *q, mpint *g);
++
++/* calculate shared key: k = y**x % p */
++mpint* dh_finish(DHstate *dh, mpint *y);
++
++/* Curve25519 elliptic curve, public key function */
++void curve25519(uchar mypublic[32], uchar secret[32], uchar basepoint[32]);
++
++/* Curve25519 diffie hellman */
++void curve25519_dh_new(uchar x[32], uchar y[32]);
++int curve25519_dh_finish(uchar x[32], uchar y[32], uchar z[32]);
++
++/* password-based key derivation function 2 (rfc2898) */
++void pbkdf2_x(uchar *p, ulong plen, uchar *s, ulong slen, ulong rounds, uchar *d, ulong dlen,
++ DigestState* (*x)(uchar*, ulong, uchar*, ulong, uchar*, DigestState*), int xlen);
++
++/* scrypt password-based key derivation function */
++char* scrypt(uchar *p, ulong plen, uchar *s, ulong slen,
++ ulong N, ulong R, ulong P,
++ uchar *d, ulong dlen);
++
++/* hmac-based key derivation function (rfc5869) */
++void hkdf_x(uchar *salt, ulong nsalt, uchar *info, ulong ninfo, uchar *key, ulong nkey, uchar *d, ulong dlen,
++ DigestState* (*x)(uchar*, ulong, uchar*, ulong, uchar*, DigestState*), int xlen);
++
++/* timing safe memcmp() */
++int tsmemcmp(void*, void*, ulong);
+
+ #endif
+--- sys/include/ape/mp.h Mon Feb 4 20:12:44 2013
++++ /sys/include/ape/mp.h Tue Jun 29 01:45:21 2021
+@@ -32,6 +32,10 @@
+ enum
+ {+ MPstatic= 0x01,
++ MPnorm= 0x02, /* normalization status */
++ MPtimesafe= 0x04, /* request time invariant computation */
++ MPfield= 0x08, /* this mpint is a field modulus */
++
+ Dbytes= sizeof(mpdigit), /* bytes per digit */
+ Dbits= Dbytes*8 /* bits per digit */
+ };
+@@ -41,12 +45,14 @@
+ mpint* mpnew(int n); /* create a new mpint with at least n bits */
+ void mpfree(mpint *b);
+ void mpbits(mpint *b, int n); /* ensure that b has at least n bits */
+-void mpnorm(mpint *b); /* dump leading zeros */
++mpint* mpnorm(mpint *b); /* dump leading zeros */
+ mpint* mpcopy(mpint *b);
+ void mpassign(mpint *old, mpint *new);
+
+ /* random bits */
+ mpint* mprand(int bits, void (*gen)(uchar*, int), mpint *b);
++/* return uniform random [0..n-1] */
++mpint* mpnrand(mpint *n, void (*gen)(uchar*, int), mpint *b);
+
+ /* conversion */
+ mpint* strtomp(char*, char**, int, mpint*); /* ascii */
+@@ -56,6 +62,7 @@
+ int mptole(mpint*, uchar*, uint, uchar**);
+ mpint* betomp(uchar*, uint, mpint*); /* byte array, little-endian */
+ int mptobe(mpint*, uchar*, uint, uchar**);
++void mptober(mpint *b, uchar *p, int n);
+ uint mptoui(mpint*); /* unsigned int */
+ mpint* uitomp(uint, mpint*);
+ int mptoi(mpint*); /* int */
+@@ -78,6 +85,11 @@
+ void mpexp(mpint *b, mpint *e, mpint *m, mpint *res); /* res = b**e mod m */
+ void mpmod(mpint *b, mpint *m, mpint *remainder); /* remainder = b mod m */
+
++/* modular arithmetic, time invariant when 0≤b1≤m-1 and 0≤b2≤m-1 */
++void mpmodadd(mpint *b1, mpint *b2, mpint *m, mpint *sum); /* sum = b1+b2 % m */
++void mpmodsub(mpint *b1, mpint *b2, mpint *m, mpint *diff); /* diff = b1-b2 % m */
++void mpmodmul(mpint *b1, mpint *b2, mpint *m, mpint *prod); /* prod = b1*b2 % m */
++
+ /* quotient = dividend/divisor, remainder = dividend % divisor */
+ void mpdiv(mpint *dividend, mpint *divisor, mpint *quotient, mpint *remainder);
+
+@@ -148,6 +160,19 @@
+ void crtprefree(CRTpre*);
+ void crtresfree(CRTres*);
+
++/* fast field arithmetic */
++typedef struct Mfield Mfield;
++
++struct Mfield
++{++ mpint;
++ int (*reduce)(Mfield*, mpint*, mpint*);
++};
++
++mpint *mpfield(mpint*);
++
++Mfield *gmfield(mpint*);
++Mfield *cnfield(mpint*);
+
+ #pragma varargck type "B" mpint*
+ #endif
+--- sys/include/libsec.h Thu Jul 15 08:07:50 2021
++++ /sys/include/libsec.h Mon Jul 12 11:08:58 2021
+@@ -21,28 +21,47 @@
+ struct AESstate
+ {+ ulong setup;
++ ulong offset;
+ int rounds;
+ int keybytes;
+ uint ctrsz;
++ void *ekey; /* expanded encryption round key */
++ void *dkey; /* expanded decryption round key */
+ uchar key[AESmaxkey]; /* unexpanded key */
+- ulong ekey[4*(AESmaxrounds + 1)]; /* encryption key */
+- ulong dkey[4*(AESmaxrounds + 1)]; /* decryption key */
+ uchar ivec[AESbsize]; /* initialization vector */
+- uchar mackey[3 * AESbsize]; /* 3 XCBC mac 96 keys */
++ uchar storage[512]; /* storage for expanded keys */
+ };
+
+ /* block ciphers */
+-void aes_encrypt(ulong rk[], int Nr, uchar pt[16], uchar ct[16]);
+-void aes_decrypt(ulong rk[], int Nr, uchar ct[16], uchar pt[16]);
++extern void (*aes_encrypt)(ulong rk[], int Nr, uchar pt[16], uchar ct[16]);
++extern void (*aes_decrypt)(ulong rk[], int Nr, uchar ct[16], uchar pt[16]);
+
+-void setupAESstate(AESstate *s, uchar key[], int keybytes, uchar *ivec);
++void setupAESstate(AESstate *s, uchar key[], int nkey, uchar *ivec);
++
++void aesCTRencrypt(uchar *p, int len, AESstate *s);
++void aesCTRdecrypt(uchar *p, int len, AESstate *s);
+ void aesCBCencrypt(uchar *p, int len, AESstate *s);
+ void aesCBCdecrypt(uchar *p, int len, AESstate *s);
+-void aesCTRdecrypt(uchar *p, int len, AESstate *s);
+-void aesCTRencrypt(uchar *p, int len, AESstate *s);
++void aesCFBencrypt(uchar *p, int len, AESstate *s);
++void aesCFBdecrypt(uchar *p, int len, AESstate *s);
++void aesOFBencrypt(uchar *p, int len, AESstate *s);
++
++void aes_xts_encrypt(AESstate *tweak, AESstate *ecb, uvlong sectorNumber, uchar *input, uchar *output, ulong len);
++void aes_xts_decrypt(AESstate *tweak, AESstate *ecb, uvlong sectorNumber, uchar *input, uchar *output, ulong len);
++
++typedef struct AESGCMstate AESGCMstate;
++struct AESGCMstate
++{++ AESstate;
++
++ ulong H[4];
++ ulong M[16][256][4];
++};
+
+-void setupAESXCBCstate(AESstate *s);
+-uchar* aesXCBCmac(uchar *p, int len, AESstate *s);
++void setupAESGCMstate(AESGCMstate *s, uchar *key, int keylen, uchar *iv, int ivlen);
++void aesgcm_setiv(AESGCMstate *s, uchar *iv, int ivlen);
++void aesgcm_encrypt(uchar *dat, ulong ndat, uchar *aad, ulong naad, uchar tag[16], AESGCMstate *s);
++int aesgcm_decrypt(uchar *dat, ulong ndat, uchar *aad, ulong naad, uchar tag[16], AESGCMstate *s);
+
+ /*
+ * Blowfish Definitions
+@@ -77,37 +96,71 @@
+ * Chacha definitions
+ */
+
+-enum{++enum
++{+ ChachaBsize= 64,
+ ChachaKeylen= 256/8,
+- ChachaIVlen= 96/8
++ ChachaIVlen= 96/8,
++ XChachaIVlen= 192/8,
+ };
+
+ typedef struct Chachastate Chachastate;
+ struct Chachastate
+ {+- /*
+- * 0-3: a constant (sigma or tau)
+- * 4-11: the key
+- * 12: block counter
+- * 13-15: IV
+- */
+ union{+ u32int input[16];
+- struct{++ struct {+ u32int constant[4];
+ u32int key[8];
+ u32int counter;
+ u32int iv[3];
+ };
+ };
++ u32int xkey[8];
+ int rounds;
++ int ivwords;
+ };
+
+-void setupChachastate(Chachastate*, uchar*, usize, uchar*, int);
+-void chacha_setblock(Chachastate*, u32int);
+-void chacha_encrypt(uchar*, usize, Chachastate*);
+-void chacha_encrypt2(uchar*, uchar*, usize, Chachastate*);
++void setupChachastate(Chachastate*, uchar*, ulong, uchar*, ulong, int);
++void chacha_setiv(Chachastate *, uchar*);
++void chacha_setblock(Chachastate*, u64int);
++void chacha_encrypt(uchar*, ulong, Chachastate*);
++void chacha_encrypt2(uchar*, uchar*, ulong, Chachastate*);
++
++void hchacha(uchar h[32], uchar *key, ulong keylen, uchar nonce[16], int rounds);
++
++void ccpoly_encrypt(uchar *dat, ulong ndat, uchar *aad, ulong naad, uchar tag[16], Chachastate *cs);
++int ccpoly_decrypt(uchar *dat, ulong ndat, uchar *aad, ulong naad, uchar tag[16], Chachastate *cs);
++
++/*
++ * Salsa definitions
++ */
++enum
++{++ SalsaBsize= 64,
++ SalsaKeylen= 256/8,
++ SalsaIVlen= 64/8,
++ XSalsaIVlen= 192/8,
++};
++
++typedef struct Salsastate Salsastate;
++struct Salsastate
++{++ u32int input[16];
++ u32int xkey[8];
++ int rounds;
++ int ivwords;
++};
++
++void setupSalsastate(Salsastate*, uchar*, ulong, uchar*, ulong, int);
++void salsa_setiv(Salsastate*, uchar*);
++void salsa_setblock(Salsastate*, u64int);
++void salsa_encrypt(uchar*, ulong, Salsastate*);
++void salsa_encrypt2(uchar*, uchar*, ulong, Salsastate*);
++
++void salsa_core(u32int in[16], u32int out[16], int rounds);
++
++void hsalsa(uchar h[32], uchar *key, ulong keylen, uchar nonce[16], int rounds);
+
+ /*
+ * DES definitions
+@@ -180,7 +233,8 @@
+ SHA2_512dlen= 64, /* SHA-512 digest length */
+ MD4dlen= 16, /* MD4 digest length */
+ MD5dlen= 16, /* MD5 digest length */
+- AESdlen= 16, /* TODO: see rfc */
++ RIPEMD160dlen= 20, /* RIPEMD-160 digest length */
++ Poly1305dlen= 16, /* Poly1305 digest length */
+
+ Hmacblksz = 64, /* in bytes; from rfc2104 */
+ };
+@@ -190,7 +244,7 @@
+ {+ uvlong len;
+ union {+- u32int state[8];
++ u32int state[16];
+ u64int bstate[8];
+ };
+ uchar buf[256];
+@@ -206,16 +260,15 @@
+ typedef struct DigestState SHA2_512state;
+ typedef struct DigestState MD5state;
+ typedef struct DigestState MD4state;
+-typedef struct DigestState AEShstate;
+
+ DigestState* md4(uchar*, ulong, uchar*, DigestState*);
+ DigestState* md5(uchar*, ulong, uchar*, DigestState*);
++DigestState* ripemd160(uchar *, ulong, uchar *, DigestState *);
+ DigestState* sha1(uchar*, ulong, uchar*, DigestState*);
+ DigestState* sha2_224(uchar*, ulong, uchar*, DigestState*);
+ DigestState* sha2_256(uchar*, ulong, uchar*, DigestState*);
+ DigestState* sha2_384(uchar*, ulong, uchar*, DigestState*);
+ DigestState* sha2_512(uchar*, ulong, uchar*, DigestState*);
+-DigestState* aes(uchar*, ulong, uchar*, DigestState*);
+ DigestState* hmac_x(uchar *p, ulong len, uchar *key, ulong klen,
+ uchar *digest, DigestState *s,
+ DigestState*(*x)(uchar*, ulong, uchar*, DigestState*),
+@@ -226,7 +279,7 @@
+ DigestState* hmac_sha2_256(uchar*, ulong, uchar*, ulong, uchar*, DigestState*);
+ DigestState* hmac_sha2_384(uchar*, ulong, uchar*, ulong, uchar*, DigestState*);
+ DigestState* hmac_sha2_512(uchar*, ulong, uchar*, ulong, uchar*, DigestState*);
+-DigestState* hmac_aes(uchar*, ulong, uchar*, ulong, uchar*, DigestState*);
++DigestState* poly1305(uchar*, ulong, uchar*, ulong, uchar*, DigestState*);
+ char* md5pickle(MD5state*);
+ MD5state* md5unpickle(char*);
+ char* sha1pickle(SHA1state*);
+@@ -311,17 +364,27 @@
+ void rsaprivfree(RSApriv*);
+ RSApub* rsaprivtopub(RSApriv*);
+ RSApub* X509toRSApub(uchar*, int, char*, int);
+-uchar* RSApubtoasn1(RSApub*, int*);
+ RSApub* asn1toRSApub(uchar*, int);
+ RSApriv* asn1toRSApriv(uchar*, int);
+ void asn1dump(uchar *der, int len);
+ uchar* decodePEM(char *s, char *type, int *len, char **new_s);
+ PEMChain* decodepemchain(char *s, char *type);
+-uchar* X509gen(RSApriv *priv, char *subj, ulong valid[2], int *certlen);
+-uchar* X509req(RSApriv *priv, char *subj, int *certlen);
+-char* X509verify(uchar *cert, int ncert, RSApub *pk);
++uchar* X509rsagen(RSApriv *priv, char *subj, ulong valid[2], int *certlen);
++uchar* X509rsareq(RSApriv *priv, char *subj, int *certlen);
++char* X509rsaverify(uchar *cert, int ncert, RSApub *pk);
++char* X509rsaverifydigest(uchar *sig, int siglen, uchar *edigest, int edigestlen, RSApub *pk);
++
+ void X509dump(uchar *cert, int ncert);
+
++mpint* pkcs1padbuf(uchar *buf, int len, mpint *modulus, int blocktype);
++int pkcs1unpadbuf(uchar *buf, int len, mpint *modulus, int blocktype);
++int asn1encodeRSApub(RSApub *pk, uchar *buf, int len);
++int asn1encodeRSApriv(RSApriv *k, uchar *buf, int len);
++int asn1encodedigest(DigestState* (*fun)(uchar*, ulong, uchar*, DigestState*),
++ uchar *digest, uchar *buf, int len);
++
++int X509digestSPKI(uchar *, int, DigestState* (*)(uchar*, ulong, uchar*, DigestState*), uchar *);
++
+ /*
+ * elgamal
+ */
+@@ -409,21 +472,26 @@
+ */
+ typedef struct Thumbprint{+ struct Thumbprint *next;
+- uchar sha1[SHA1dlen];
++ uchar hash[SHA2_256dlen];
++ uchar len;
+ } Thumbprint;
+
+ typedef struct TLSconn{+ char dir[40]; /* connection directory */
+ uchar *cert; /* certificate (local on input, remote on output) */
+ uchar *sessionID;
++ uchar *psk;
+ int certlen;
+ int sessionIDlen;
++ int psklen;
+ int (*trace)(char*fmt, ...);
+ PEMChain*chain; /* optional extra certificate evidence for servers to present */
+ char *sessionType;
+ uchar *sessionKey;
+ int sessionKeylen;
+ char *sessionConst;
++ char *serverName;
++ char *pskID;
+ } TLSconn;
+
+ /* tlshand.c */
+@@ -431,14 +499,104 @@
+ int tlsServer(int fd, TLSconn *c);
+
+ /* thumb.c */
+-Thumbprint* initThumbprints(char *ok, char *crl);
++Thumbprint* initThumbprints(char *ok, char *crl, char *tag);
+ void freeThumbprints(Thumbprint *ok);
+-int okThumbprint(uchar *sha1, Thumbprint *ok);
++int okThumbprint(uchar *hash, int len, Thumbprint *ok);
++int okCertificate(uchar *cert, int len, Thumbprint *ok);
+
+ /* readcert.c */
+ uchar *readcert(char *filename, int *pcertlen);
+ PEMChain*readcertchain(char *filename);
+
++typedef struct ECpoint{++ int inf;
++ mpint *x;
++ mpint *y;
++ mpint *z; /* nil when using affine coordinates */
++} ECpoint;
++
++typedef ECpoint ECpub;
++typedef struct ECpriv{++ ECpoint;
++ mpint *d;
++} ECpriv;
++
++typedef struct ECdomain{++ mpint *p;
++ mpint *a;
++ mpint *b;
++ ECpoint G;
++ mpint *n;
++ mpint *h;
++} ECdomain;
++
++void ecdominit(ECdomain *, void (*init)(mpint *p, mpint *a, mpint *b, mpint *x, mpint *y, mpint *n, mpint *h));
++void ecdomfree(ECdomain *);
++
++void ecassign(ECdomain *, ECpoint *old, ECpoint *new);
++void ecadd(ECdomain *, ECpoint *a, ECpoint *b, ECpoint *s);
++void ecmul(ECdomain *, ECpoint *a, mpint *k, ECpoint *s);
++ECpoint* strtoec(ECdomain *, char *, char **, ECpoint *);
++ECpriv* ecgen(ECdomain *, ECpriv*);
++int ecverify(ECdomain *, ECpoint *);
++int ecpubverify(ECdomain *, ECpub *);
++void ecdsasign(ECdomain *, ECpriv *, uchar *, int, mpint *, mpint *);
++int ecdsaverify(ECdomain *, ECpub *, uchar *, int, mpint *, mpint *);
++void base58enc(uchar *, char *, int);
++int base58dec(char *, uchar *, int);
++
++ECpub* ecdecodepub(ECdomain *dom, uchar *, int);
++int ecencodepub(ECdomain *dom, ECpub *, uchar *, int);
++void ecpubfree(ECpub *);
++
++ECpub* X509toECpub(uchar *cert, int ncert, char *name, int nname, ECdomain *dom);
++char* X509ecdsaverify(uchar *cert, int ncert, ECdomain *dom, ECpub *pub);
++char* X509ecdsaverifydigest(uchar *sig, int siglen, uchar *edigest, int edigestlen, ECdomain *dom, ECpub *pub);
++
++/* curves */
++void secp256r1(mpint *p, mpint *a, mpint *b, mpint *x, mpint *y, mpint *n, mpint *h);
++void secp256k1(mpint *p, mpint *a, mpint *b, mpint *x, mpint *y, mpint *n, mpint *h);
++void secp384r1(mpint *p, mpint *a, mpint *b, mpint *x, mpint *y, mpint *n, mpint *h);
++
++/*
++ * Diffie-Hellman key exchange
++ */
++
++typedef struct DHstate DHstate;
++struct DHstate
++{++ mpint *g; /* base g */
++ mpint *p; /* large prime */
++ mpint *q; /* subgroup prime */
++ mpint *x; /* random secret */
++ mpint *y; /* public key y = g**x % p */
++};
++
++/* generate new public key: y = g**x % p */
++mpint* dh_new(DHstate *dh, mpint *p, mpint *q, mpint *g);
++
++/* calculate shared key: k = y**x % p */
++mpint* dh_finish(DHstate *dh, mpint *y);
++
++/* Curve25519 elliptic curve, public key function */
++void curve25519(uchar mypublic[32], uchar secret[32], uchar basepoint[32]);
++
++/* Curve25519 diffie hellman */
++void curve25519_dh_new(uchar x[32], uchar y[32]);
++int curve25519_dh_finish(uchar x[32], uchar y[32], uchar z[32]);
++
+ /* password-based key derivation function 2 (rfc2898) */
+ void pbkdf2_x(uchar *p, ulong plen, uchar *s, ulong slen, ulong rounds, uchar *d, ulong dlen,
+ DigestState* (*x)(uchar*, ulong, uchar*, ulong, uchar*, DigestState*), int xlen);
++
++/* scrypt password-based key derivation function */
++char* scrypt(uchar *p, ulong plen, uchar *s, ulong slen,
++ ulong N, ulong R, ulong P,
++ uchar *d, ulong dlen);
++
++/* hmac-based key derivation function (rfc5869) */
++void hkdf_x(uchar *salt, ulong nsalt, uchar *info, ulong ninfo, uchar *key, ulong nkey, uchar *d, ulong dlen,
++ DigestState* (*x)(uchar*, ulong, uchar*, ulong, uchar*, DigestState*), int xlen);
++
++/* timing safe memcmp() */
++int tsmemcmp(void*, void*, ulong);
+--- sys/include/mp.h Tue Sep 8 01:29:15 2009
++++ /sys/include/mp.h Mon Jun 28 17:35:52 2021
+@@ -23,6 +23,10 @@
+ enum
+ {+ MPstatic= 0x01,
++ MPnorm= 0x02, /* normalization status */
++ MPtimesafe= 0x04, /* request time invariant computation */
++ MPfield= 0x08, /* this mpint is a field modulus */
++
+ Dbytes= sizeof(mpdigit), /* bytes per digit */
+ Dbits= Dbytes*8 /* bits per digit */
+ };
+@@ -32,12 +36,14 @@
+ mpint* mpnew(int n); /* create a new mpint with at least n bits */
+ void mpfree(mpint *b);
+ void mpbits(mpint *b, int n); /* ensure that b has at least n bits */
+-void mpnorm(mpint *b); /* dump leading zeros */
++mpint* mpnorm(mpint *b); /* dump leading zeros */
+ mpint* mpcopy(mpint *b);
+ void mpassign(mpint *old, mpint *new);
+
+ /* random bits */
+ mpint* mprand(int bits, void (*gen)(uchar*, int), mpint *b);
++/* return uniform random [0..n-1] */
++mpint* mpnrand(mpint *n, void (*gen)(uchar*, int), mpint *b);
+
+ /* conversion */
+ mpint* strtomp(char*, char**, int, mpint*); /* ascii */
+@@ -47,6 +53,7 @@
+ int mptole(mpint*, uchar*, uint, uchar**);
+ mpint* betomp(uchar*, uint, mpint*); /* byte array, little-endian */
+ int mptobe(mpint*, uchar*, uint, uchar**);
++void mptober(mpint *b, uchar *p, int n);
+ uint mptoui(mpint*); /* unsigned int */
+ mpint* uitomp(uint, mpint*);
+ int mptoi(mpint*); /* int */
+@@ -69,6 +76,11 @@
+ void mpexp(mpint *b, mpint *e, mpint *m, mpint *res); /* res = b**e mod m */
+ void mpmod(mpint *b, mpint *m, mpint *remainder); /* remainder = b mod m */
+
++/* modular arithmetic, time invariant when 0≤b1≤m-1 and 0≤b2≤m-1 */
++void mpmodadd(mpint *b1, mpint *b2, mpint *m, mpint *sum); /* sum = b1+b2 % m */
++void mpmodsub(mpint *b1, mpint *b2, mpint *m, mpint *diff); /* diff = b1-b2 % m */
++void mpmodmul(mpint *b1, mpint *b2, mpint *m, mpint *prod); /* prod = b1*b2 % m */
++
+ /* quotient = dividend/divisor, remainder = dividend % divisor */
+ void mpdiv(mpint *dividend, mpint *divisor, mpint *quotient, mpint *remainder);
+
+@@ -139,5 +151,18 @@
+ void crtprefree(CRTpre*);
+ void crtresfree(CRTres*);
+
++/* fast field arithmetic */
++typedef struct Mfield Mfield;
++
++struct Mfield
++{++ mpint;
++ int (*reduce)(Mfield*, mpint*, mpint*);
++};
++
++mpint *mpfield(mpint*);
++
++Mfield *gmfield(mpint*);
++Mfield *cnfield(mpint*);
+
+ #pragma varargck type "B" mpint*
+--- sys/src/9/port/alloc.c Sat Jan 28 15:52:57 2006
++++ /sys/src/9/port/alloc.c Sat Jun 26 21:21:40 2021
+@@ -53,8 +53,27 @@
+ .private= &pimagpriv,
+ };
+
++static Private psecrpriv;
++static Pool psecrmem = {++ .name= "Secrets",
++ .maxsize= 16*1024*1024,
++ .minarena= 64*1024,
++ .quantum= 32,
++ .alloc= xalloc,
++ .merge= xmerge,
++ .flags= POOL_ANTAGONISM,
++
++ .lock= plock,
++ .unlock= punlock,
++ .print= poolprint,
++ .panic= ppanic,
++
++ .private= &psecrpriv,
++};
++
+ Pool* mainmem = &pmainmem;
+ Pool* imagmem = &pimagmem;
++Pool* secrmem = &psecrmem;
+
+ /*
+ * because we can't print while we're holding the locks,
+@@ -263,6 +282,34 @@
+ msize(void *v)
+ {+ return poolmsize(mainmem, (ulong*)v-Npadlong)-Npadlong*sizeof(ulong);
++}
++
++/* secret memory, used to back cryptographic keys and cipher states */
++void*
++secalloc(ulong size)
++{++ void *v;
++
++ while((v = poolalloc(secrmem, size+Npadlong*sizeof(ulong))) == nil){++ if(!waserror()){++ resrcwait(nil);
++ poperror();
++ }
++ }
++ if(Npadlong){++ v = (ulong*)v+Npadlong;
++ setmalloctag(v, getcallerpc(&size));
++ setrealloctag(v, 0);
++ }
++ memset(v, 0, size);
++ return v;
++}
++
++void
++secfree(void *v)
++{++ if(v != nil)
++ poolfree(secrmem, (ulong*)v-Npadlong);
+ }
+
+ void*
+--- sys/src/9/port/devtls.c Thu Jul 1 17:28:54 2021
++++ /sys/src/9/port/devtls.c Sat Jun 26 21:21:40 2021
+@@ -1,5 +1,5 @@
+ /*
+- * devtls - record layer for transport layer security 1.0, 1.1, 1.2 and secure sockets layer 3.0
++ * devtls - record layer for transport layer security 1.2 and secure sockets layer 3.0
+ */
+ #include "u.h"
+ #include "../port/lib.h"
+@@ -11,23 +11,23 @@
+ #include <libsec.h>
+
+ typedef struct OneWay OneWay;
+-typedef struct Secret Secret;
++typedef struct Secret Secret;
+ typedef struct TlsRec TlsRec;
+ typedef struct TlsErrs TlsErrs;
+
+ enum {+ Statlen= 1024, /* max. length of status or stats message */
+ /* buffer limits */
+- MaxRecLen = 1<<14, /* max payload length of a record layer message */
++ MaxRecLen = 1<<14, /* max payload length of a record layer message */
+ MaxCipherRecLen = MaxRecLen + 2048,
+- RecHdrLen = 5,
+- MaxMacLen = SHA2_256dlen,
++ RecHdrLen = 5,
++ MaxMacLen = SHA2_256dlen,
+
+ /* protocol versions we can accept */
+- SSL3Version = 0x0300,
+- TLS10Version = 0x0301,
+- TLS11Version = 0x0302,
+- TLS12Version = 0x0303,
++ SSL3Version = 0x0300,
++ TLS10Version = 0x0301,
++ TLS11Version = 0x0302,
++ TLS12Version = 0x0303,
+ MinProtoVersion = 0x0300, /* limits on version we accept */
+ MaxProtoVersion = 0x03ff,
+
+@@ -83,21 +83,27 @@
+ {+ char *encalg; /* name of encryption alg */
+ char *hashalg; /* name of hash alg */
++
++ int (*aead_enc)(Secret*, uchar*, int, uchar*, uchar*, int);
++ int (*aead_dec)(Secret*, uchar*, int, uchar*, uchar*, int);
++
+ int (*enc)(Secret*, uchar*, int);
+ int (*dec)(Secret*, uchar*, int);
+ int (*unpad)(uchar*, int, int);
+- DigestState *(*mac)(uchar*, ulong, uchar*, ulong, uchar*, DigestState*);
++ DigestState* (*mac)(uchar*, ulong, uchar*, ulong, uchar*, DigestState*);
++
+ int block; /* encryption block len, 0 if none */
+- int maclen;
++ int maclen; /* # bytes of record mac / authentication tag */
++ int recivlen; /* # bytes of record iv for AEAD ciphers */
+ void *enckey;
+- uchar mackey[MaxMacLen];
++ uchar mackey[MaxMacLen];
+ };
+
+ struct OneWay
+ {+ QLock io; /* locks io access */
+ QLock seclock; /* locks secret paramaters */
+- ulong seq;
++ u64int seq;
+ Secret *sec; /* cipher in use */
+ Secret *new; /* cipher waiting for enable */
+ };
+@@ -119,8 +125,11 @@
+ int state;
+ int debug;
+
+- /* record layer mac functions for different protocol versions */
+- void (*packMac)(Secret*, uchar*, uchar*, uchar*, uchar*, int, uchar*);
++ /*
++ * function to genrate authenticated data blob for different
++ * protocol versions
++ */
++ int (*packAAD)(u64int, uchar*, uchar*);
+
+ /* input side -- protected by in.io */
+ OneWay in;
+@@ -180,7 +189,7 @@
+ enum
+ {+ /* max. open tls connections */
+- MaxTlsDevs = 16*1024
++ MaxTlsDevs = 1024
+ };
+
+ static Lock tdlock;
+@@ -221,13 +230,13 @@
+ static DigestState*sslmac_md5(uchar *p, ulong len, uchar *key, ulong klen, uchar *digest, DigestState *s);
+ static DigestState*sslmac_sha1(uchar *p, ulong len, uchar *key, ulong klen, uchar *digest, DigestState *s);
+ static DigestState*nomac(uchar *p, ulong len, uchar *key, ulong klen, uchar *digest, DigestState *s);
+-static void sslPackMac(Secret *sec, uchar *mackey, uchar *seq, uchar *header, uchar *body, int len, uchar *mac);
+-static void tlsPackMac(Secret *sec, uchar *mackey, uchar *seq, uchar *header, uchar *body, int len, uchar *mac);
+-static void put64(uchar *p, vlong x);
++static int sslPackAAD(u64int, uchar*, uchar*);
++static int tlsPackAAD(u64int, uchar*, uchar*);
++static void packMac(Secret*, uchar*, int, uchar*, int, uchar*);
++static void put64(uchar *p, u64int);
+ static void put32(uchar *p, u32int);
+ static void put24(uchar *p, int);
+ static void put16(uchar *p, int);
+-static u32int get32(uchar *p);
+ static int get16(uchar *p);
+ static void tlsSetState(TlsRec *tr, int new, int old);
+ static void rcvAlert(TlsRec *tr, int err);
+@@ -238,6 +247,10 @@
+ static int des3dec(Secret *sec, uchar *buf, int n);
+ static int aesenc(Secret *sec, uchar *buf, int n);
+ static int aesdec(Secret *sec, uchar *buf, int n);
++static int ccpoly_aead_enc(Secret *sec, uchar *aad, int aadlen, uchar *reciv, uchar *data, int len);
++static int ccpoly_aead_dec(Secret *sec, uchar *aad, int aadlen, uchar *reciv, uchar *data, int len);
++static int aesgcm_aead_enc(Secret *sec, uchar *aad, int aadlen, uchar *reciv, uchar *data, int len);
++static int aesgcm_aead_dec(Secret *sec, uchar *aad, int aadlen, uchar *reciv, uchar *data, int len);
+ static int noenc(Secret *sec, uchar *buf, int n);
+ static int sslunpad(uchar *buf, int n, int block);
+ static int tlsunpad(uchar *buf, int n, int block);
+@@ -326,7 +339,7 @@
+ nm = eve;
+ if((name = trnames[s]) == nil){+ name = trnames[s] = smalloc(16);
+- snprint(name, 16, "%d", s);
++ sprint(name, "%d", s);
+ }
+ devdir(c, q, name, 0, nm, 0555, dp);
+ unlock(&tdlock);
+@@ -410,21 +423,7 @@
+ tlsopen(Chan *c, int omode)
+ {+ TlsRec *tr, **pp;
+- int t, perm;
+-
+- perm = 0;
+- omode &= 3;
+- switch(omode) {+- case OREAD:
+- perm = 4;
+- break;
+- case OWRITE:
+- perm = 2;
+- break;
+- case ORDWR:
+- perm = 6;
+- break;
+- }
++ int t;
+
+ t = TYPE(c->qid);
+ switch(t) {+@@ -457,10 +456,7 @@
+ tr = *pp;
+ if(tr == nil)
+ error("must open connection using clone");+- if((perm & (tr->perm>>6)) != perm
+- && (strcmp(up->user, tr->user) != 0
+- || (perm & tr->perm) != perm))
+- error(Eperm);
++ devpermcheck(tr->user, tr->perm, omode);
+ if(t == Qhand){+ if(waserror()){+ unlock(&tr->hqlock);
+@@ -489,7 +485,7 @@
+ c->mode = openmode(omode);
+ c->flag |= COPEN;
+ c->offset = 0;
+- c->iounit = qiomaxatomic;
++ c->iounit = MaxRecLen;
+ return c;
+ }
+
+@@ -520,7 +516,7 @@
+ error(Eshortstat);
+ if(!emptystr(d->uid))
+ kstrdup(&tr->user, d->uid);
+- if(d->mode != ~0UL)
++ if(d->mode != -1)
+ tr->perm = d->mode;
+
+ free(d);
+@@ -734,9 +730,10 @@
+ {+ OneWay *volatile in;
+ Block *volatile b;
+- uchar *p, seq[8], header[RecHdrLen], hmac[MaxMacLen];
++ uchar *p, aad[8+RecHdrLen], header[RecHdrLen], hmac[MaxMacLen];
+ int volatile nconsumed;
+- int len, type, ver, unpad_len;
++ int len, type, ver, unpad_len, aadlen, ivlen;
++ Secret *sec;
+
+ nconsumed = 0;
+ if(waserror()){+@@ -798,35 +795,46 @@
+ }
+ qlock(&in->seclock);
+ p = b->rp;
+- if(in->sec != nil) {++ sec = in->sec;
++ if(sec != nil) {+ /* to avoid Canvel-Hiltgen-Vaudenay-Vuagnoux attack, all errors here
+ should look alike, including timing of the response. */
+- unpad_len = (*in->sec->dec)(in->sec, p, len);
++ if(sec->aead_dec != nil)
++ unpad_len = len;
++ else {++ unpad_len = (*sec->dec)(sec, p, len);
++if(tr->debug) pprint("decrypted %d\n", unpad_len);++if(tr->debug) pdump(unpad_len, p, "decrypted:");
++ }
+
+- /* excplicit iv */
++ ivlen = sec->recivlen;
+ if(tr->version >= TLS11Version){+- len -= in->sec->block;
+- if(len < 0)
+- rcvError(tr, EDecodeError, "runt record message");
+-
+- unpad_len -= in->sec->block;
+- p += in->sec->block;
++ if(ivlen == 0)
++ ivlen = sec->block;
+ }
++ len -= ivlen;
++ if(len < 0)
++ rcvError(tr, EDecodeError, "runt record message");
++ unpad_len -= ivlen;
++ p += ivlen;
+
+- if(unpad_len >= in->sec->maclen)
+- len = unpad_len - in->sec->maclen;
+-if(tr->debug) pprint("decrypted %d\n", unpad_len);+-if(tr->debug) pdump(unpad_len, p, "decrypted:");
++ if(unpad_len >= sec->maclen)
++ len = unpad_len - sec->maclen;
+
+ /* update length */
+ put16(header+3, len);
+- put64(seq, in->seq);
+- in->seq++;
+- (*tr->packMac)(in->sec, in->sec->mackey, seq, header, p, len, hmac);
+- if(unpad_len < in->sec->maclen)
+- rcvError(tr, EBadRecordMac, "short record mac");
+- if(memcmp(hmac, p+len, in->sec->maclen) != 0)
+- rcvError(tr, EBadRecordMac, "record mac mismatch");
++ aadlen = (*tr->packAAD)(in->seq++, header, aad);
++ if(sec->aead_dec != nil) {++ len = (*sec->aead_dec)(sec, aad, aadlen, p - ivlen, p, unpad_len);
++ if(len < 0)
++ rcvError(tr, EBadRecordMac, "record mac mismatch");
++ } else {++ packMac(sec, aad, aadlen, p, len, hmac);
++ if(unpad_len < sec->maclen)
++ rcvError(tr, EBadRecordMac, "short record mac");
++ if(tsmemcmp(hmac, p + len, sec->maclen) != 0)
++ rcvError(tr, EBadRecordMac, "record mac mismatch");
++ }
+ b->rp = p;
+ b->wp = p+len;
+ }
+@@ -862,7 +870,7 @@
+ rcvError(tr, EIllegalParameter, "invalid alert fatal code");
+
+ /*
+- * propate non-fatal alerts to handshaker
++ * propagate non-fatal alerts to handshaker
+ */
+ switch(p[1]){+ case ECloseNotify:
+@@ -1171,7 +1179,9 @@
+ if(tr->out.sec != nil)
+ s = seprint(s, e, "EncOut: %s\nHashOut: %s\n", tr->out.sec->encalg, tr->out.sec->hashalg);
+ if(tr->out.new != nil)
+- seprint(s, e, "NewEncOut: %s\nNewHashOut: %s\n", tr->out.new->encalg, tr->out.new->hashalg);
++ s = seprint(s, e, "NewEncOut: %s\nNewHashOut: %s\n", tr->out.new->encalg, tr->out.new->hashalg);
++ if(tr->c != nil)
++ seprint(s, e, "Chan: %s\n", chanpath(tr->c));
+ qunlock(&tr->in.seclock);
+ qunlock(&tr->out.seclock);
+ n = readstr(offset, a, n, buf);
+@@ -1223,13 +1233,6 @@
+ return n;
+ }
+
+-static void
+-randfill(uchar *buf, int len)
+-{+- while(len-- > 0)
+- *buf++ = nrand(256);
+-}
+-
+ /*
+ * write a block in tls records
+ */
+@@ -1238,9 +1241,10 @@
+ {+ Block *volatile bb;
+ Block *nb;
+- uchar *p, seq[8];
++ uchar *p, aad[8+RecHdrLen];
+ OneWay *volatile out;
+- int n, ivlen, maclen, pad, ok;
++ int n, ivlen, maclen, aadlen, pad, ok;
++ Secret *sec;
+
+ out = &tr->out;
+ bb = b;
+@@ -1274,11 +1278,15 @@
+ maclen = 0;
+ pad = 0;
+ ivlen = 0;
+- if(out->sec != nil){+- maclen = out->sec->maclen;
+- pad = maclen + out->sec->block;
+- if(tr->version >= TLS11Version)
+- ivlen = out->sec->block;
++ sec = out->sec;
++ if(sec != nil){++ maclen = sec->maclen;
++ pad = maclen + sec->block;
++ ivlen = sec->recivlen;
++ if(tr->version >= TLS11Version){++ if(ivlen == 0)
++ ivlen = sec->block;
++ }
+ }
+ n = BLEN(bb);
+ if(n > MaxRecLen){+@@ -1303,20 +1311,16 @@
+ put16(p+1, tr->version);
+ put16(p+3, n);
+
+- if(out->sec != nil){+- put64(seq, out->seq);
+- out->seq++;
+- (*tr->packMac)(out->sec, out->sec->mackey, seq, p, p + RecHdrLen + ivlen, n, p + RecHdrLen + ivlen + n);
+- n += maclen;
+-
+- /* explicit iv */
+- if(ivlen > 0){+- randfill(p + RecHdrLen, ivlen);
+- n += ivlen;
++ if(sec != nil){++ aadlen = (*tr->packAAD)(out->seq++, p, aad);
++ if(sec->aead_enc != nil)
++ n = (*sec->aead_enc)(sec, aad, aadlen, p + RecHdrLen, p + RecHdrLen + ivlen, n) + ivlen;
++ else {++ if(ivlen > 0)
++ prng(p + RecHdrLen, ivlen);
++ packMac(sec, aad, aadlen, p + RecHdrLen + ivlen, n, p + RecHdrLen + ivlen + n);
++ n = (*sec->enc)(sec, p + RecHdrLen, ivlen + n + maclen);
+ }
+-
+- /* encrypt */
+- n = (*out->sec->enc)(out->sec, p + RecHdrLen, n);
+ nb->wp = p + RecHdrLen + n;
+
+ /* update length */
+@@ -1402,7 +1406,6 @@
+ static void
+ initclearmac(Hashalg *, int, Secret *s, uchar *)
+ {+- s->maclen = 0;
+ s->mac = nomac;
+ }
+
+@@ -1429,10 +1432,10 @@
+
+ static Hashalg hashtab[] =
+ {+- { "clear", 0, initclearmac, },+- { "md5", MD5dlen, initmd5key, },+- { "sha1", SHA1dlen, initsha1key, },+- { "sha256", SHA2_256dlen, initsha2_256key, },++ { "clear", 0, initclearmac, },++ { "md5", MD5dlen, initmd5key, },++ { "sha1", SHA1dlen, initsha1key, },++ { "sha256", SHA2_256dlen, initsha2_256key, },+ { 0 }+ };
+
+@@ -1460,17 +1463,16 @@
+ static void
+ initRC4key(Encalg *ea, Secret *s, uchar *p, uchar *)
+ {+- s->enckey = smalloc(sizeof(RC4state));
++ s->enckey = secalloc(sizeof(RC4state));
+ s->enc = rc4enc;
+ s->dec = rc4enc;
+- s->block = 0;
+ setupRC4state(s->enckey, p, ea->keylen);
+ }
+
+ static void
+ initDES3key(Encalg *, Secret *s, uchar *p, uchar *iv)
+ {+- s->enckey = smalloc(sizeof(DES3state));
++ s->enckey = secalloc(sizeof(DES3state));
+ s->enc = des3enc;
+ s->dec = des3dec;
+ s->block = 8;
+@@ -1480,7 +1482,7 @@
+ static void
+ initAESkey(Encalg *ea, Secret *s, uchar *p, uchar *iv)
+ {+- s->enckey = smalloc(sizeof(AESstate));
++ s->enckey = secalloc(sizeof(AESstate));
+ s->enc = aesenc;
+ s->dec = aesdec;
+ s->block = 16;
+@@ -1488,11 +1490,40 @@
+ }
+
+ static void
++initccpolykey(Encalg *ea, Secret *s, uchar *p, uchar *iv)
++{++ s->enckey = secalloc(sizeof(Chachastate));
++ s->aead_enc = ccpoly_aead_enc;
++ s->aead_dec = ccpoly_aead_dec;
++ s->maclen = Poly1305dlen;
++ if(ea->ivlen == 0) {++ /* older draft version, iv is 64-bit sequence number */
++ setupChachastate(s->enckey, p, ea->keylen, nil, 64/8, 20);
++ } else {++ /* IETF standard, 96-bit iv xored with sequence number */
++ memmove(s->mackey, iv, ea->ivlen);
++ setupChachastate(s->enckey, p, ea->keylen, iv, ea->ivlen, 20);
++ }
++}
++
++static void
++initaesgcmkey(Encalg *ea, Secret *s, uchar *p, uchar *iv)
++{++ s->enckey = secalloc(sizeof(AESGCMstate));
++ s->aead_enc = aesgcm_aead_enc;
++ s->aead_dec = aesgcm_aead_dec;
++ s->maclen = 16;
++ s->recivlen = 8;
++ memmove(s->mackey, iv, ea->ivlen);
++ prng(s->mackey + ea->ivlen, s->recivlen);
++ setupAESGCMstate(s->enckey, p, ea->keylen, nil, 0);
++}
++
++static void
+ initclearenc(Encalg *, Secret *s, uchar *, uchar *)
+ {+ s->enc = noenc;
+ s->dec = noenc;
+- s->block = 0;
+ }
+
+ static Encalg encrypttab[] =
+@@ -1502,6 +1533,10 @@
+ { "3des_ede_cbc", 3 * 8, 8, initDES3key },+ { "aes_128_cbc", 128/8, 16, initAESkey },+ { "aes_256_cbc", 256/8, 16, initAESkey },++ { "ccpoly64_aead", 256/8, 0, initccpolykey },++ { "ccpoly96_aead", 256/8, 96/8, initccpolykey },++ { "aes_128_gcm_aead", 128/8, 4, initaesgcmkey },++ { "aes_256_gcm_aead", 256/8, 4, initaesgcmkey },+ { 0 }+ };
+
+@@ -1543,8 +1578,8 @@
+ e = p + n;
+ do{+ m = e - p;
+- if(m > MaxRecLen)
+- m = MaxRecLen;
++ if(m > c->iounit)
++ m = c->iounit;
+
+ b = allocb(m);
+ if(waserror()){+@@ -1606,9 +1641,9 @@
+ if(m < MinProtoVersion || m > MaxProtoVersion)
+ error("unsupported version");+ if(m == SSL3Version)
+- tr->packMac = sslPackMac;
++ tr->packAAD = sslPackAAD;
+ else
+- tr->packMac = tlsPackMac;
++ tr->packAAD = tlsPackAAD;
+ tr->verset = 1;
+ tr->version = m;
+ }else if(strcmp(cb->f[0], "secret") == 0){+@@ -1630,32 +1665,34 @@
+ ea = parseencalg(cb->f[2]);
+
+ p = cb->f[4];
+- m = (strlen(p)*3)/2;
+- x = smalloc(m);
+- tos = nil;
+- toc = nil;
++ m = (strlen(p)*3)/2 + 1;
++ x = secalloc(m);
++ tos = secalloc(sizeof(Secret));
++ toc = secalloc(sizeof(Secret));
+ if(waserror()){++ secfree(x);
+ freeSec(tos);
+ freeSec(toc);
+- free(x);
+ nexterror();
+ }
++
+ m = dec64(x, m, p, strlen(p));
++ memset(p, 0, strlen(p));
+ if(m < 2 * ha->maclen + 2 * ea->keylen + 2 * ea->ivlen)
+ error("not enough secret data provided");+
+- tos = smalloc(sizeof(Secret));
+- toc = smalloc(sizeof(Secret));
+ if(!ha->initkey || !ea->initkey)
+ error("misimplemented secret algorithm");++
+ (*ha->initkey)(ha, tr->version, tos, &x[0]);
+ (*ha->initkey)(ha, tr->version, toc, &x[ha->maclen]);
+ (*ea->initkey)(ea, tos, &x[2 * ha->maclen], &x[2 * ha->maclen + 2 * ea->keylen]);
+ (*ea->initkey)(ea, toc, &x[2 * ha->maclen + ea->keylen], &x[2 * ha->maclen + 2 * ea->keylen + ea->ivlen]);
+
+- if(!tos->mac || !tos->enc || !tos->dec
+- || !toc->mac || !toc->enc || !toc->dec)
+- error("missing algorithm implementations");++ if(!tos->aead_enc || !tos->aead_dec || !toc->aead_enc || !toc->aead_dec)
++ if(!tos->mac || !tos->enc || !tos->dec || !toc->mac || !toc->enc || !toc->dec)
++ error("missing algorithm implementations");++
+ if(strtol(cb->f[3], nil, 0) == 0){+ tr->in.new = tos;
+ tr->out.new = toc;
+@@ -1675,7 +1712,7 @@
+ tos->encalg = ea->name;
+ tos->hashalg = ha->name;
+
+- free(x);
++ secfree(x);
+ poperror();
+ }else if(strcmp(cb->f[0], "changecipher") == 0){+ if(cb->nf != 1)
+@@ -1756,12 +1793,8 @@
+ struct Hashalg *h;
+ int n;
+ char *cp;
+- static int already;
+
+- if(!already){+- fmtinstall('H', encodefmt);+- already = 1;
+- }
++ fmtinstall('H', encodefmt);+
+ tlsdevs = smalloc(sizeof(TlsRec*) * maxtlsdevs);
+ trnames = smalloc((sizeof *trnames) * maxtlsdevs);
+@@ -1828,7 +1861,7 @@
+ fd = strtoul(p, 0, 0);
+ if(fd < 0)
+ error(Ebadarg);
+- c = fdtochan(fd, -1, 0, 1); /* error check and inc ref */
++ c = fdtochan(fd, ORDWR, 1, 1); /* error check and inc ref */
+ return c;
+ }
+
+@@ -1872,7 +1905,7 @@
+ {+ int s;
+
+-if(tr->debug)pprint("tleError %s\n", msg);++if(tr->debug)pprint("tlsError %s\n", msg);+ lock(&tr->statelk);
+ s = tr->state;
+ tr->state = SError;
+@@ -2004,10 +2037,10 @@
+ static void
+ freeSec(Secret *s)
+ {+- if(s != nil){+- free(s->enckey);
+- free(s);
+- }
++ if(s == nil)
++ return;
++ secfree(s->enckey);
++ secfree(s);
+ }
+
+ static int
+@@ -2062,7 +2095,7 @@
+ buf[n++] = pad;
+ return nn;
+ }
+-
++
+ static int
+ des3enc(Secret *sec, uchar *buf, int n)
+ {+@@ -2093,6 +2126,83 @@
+ return (*sec->unpad)(buf, n, 16);
+ }
+
++static void
++ccpoly_aead_setiv(Secret *sec, uchar seq[8])
++{++ uchar iv[ChachaIVlen];
++ Chachastate *cs;
++ int i;
++
++ cs = (Chachastate*)sec->enckey;
++ if(cs->ivwords == 2){++ chacha_setiv(cs, seq);
++ return;
++ }
++
++ memmove(iv, sec->mackey, ChachaIVlen);
++ for(i=0; i<8; i++)
++ iv[i+(ChachaIVlen-8)] ^= seq[i];
++
++ chacha_setiv(cs, iv);
++
++ memset(iv, 0, sizeof(iv));
++}
++
++static int
++ccpoly_aead_enc(Secret *sec, uchar *aad, int aadlen, uchar *reciv, uchar *data, int len)
++{++ USED(reciv);
++ ccpoly_aead_setiv(sec, aad);
++ ccpoly_encrypt(data, len, aad, aadlen, data+len, sec->enckey);
++ return len + sec->maclen;
++}
++
++static int
++ccpoly_aead_dec(Secret *sec, uchar *aad, int aadlen, uchar *reciv, uchar *data, int len)
++{++ USED(reciv);
++ len -= sec->maclen;
++ if(len < 0)
++ return -1;
++ ccpoly_aead_setiv(sec, aad);
++ if(ccpoly_decrypt(data, len, aad, aadlen, data+len, sec->enckey) != 0)
++ return -1;
++ return len;
++}
++
++static int
++aesgcm_aead_enc(Secret *sec, uchar *aad, int aadlen, uchar *reciv, uchar *data, int len)
++{++ uchar iv[12];
++ int i;
++
++ memmove(iv, sec->mackey, 4+8);
++ for(i=0; i<8; i++) iv[4+i] ^= aad[i];
++ memmove(reciv, iv+4, 8);
++ aesgcm_setiv(sec->enckey, iv, 12);
++ memset(iv, 0, sizeof(iv));
++ aesgcm_encrypt(data, len, aad, aadlen, data+len, sec->enckey);
++ return len + sec->maclen;
++}
++
++static int
++aesgcm_aead_dec(Secret *sec, uchar *aad, int aadlen, uchar *reciv, uchar *data, int len)
++{++ uchar iv[12];
++
++ len -= sec->maclen;
++ if(len < 0)
++ return -1;
++ memmove(iv, sec->mackey, 4);
++ memmove(iv+4, reciv, 8);
++ aesgcm_setiv(sec->enckey, iv, 12);
++ memset(iv, 0, sizeof(iv));
++ if(aesgcm_decrypt(data, len, aad, aadlen, data+len, sec->enckey) != 0)
++ return -1;
++ return len;
++}
++
++
+ static DigestState*
+ nomac(uchar *, ulong, uchar *, ulong, uchar *, DigestState *)
+ {+@@ -2152,32 +2262,35 @@
+ return sslmac_x(p, len, key, klen, digest, s, md5, MD5dlen, 48);
+ }
+
+-static void
+-sslPackMac(Secret *sec, uchar *mackey, uchar *seq, uchar *header, uchar *body, int len, uchar *mac)
++static int
++sslPackAAD(u64int seq, uchar *hdr, uchar *aad)
+ {+- DigestState *s;
+- uchar buf[11];
+-
+- memmove(buf, seq, 8);
+- buf[8] = header[0];
+- buf[9] = header[3];
+- buf[10] = header[4];
++ put64(aad, seq);
++ aad[8] = hdr[0];
++ aad[9] = hdr[3];
++ aad[10] = hdr[4];
++ return 11;
++}
+
+- s = (*sec->mac)(buf, 11, mackey, sec->maclen, 0, 0);
+- (*sec->mac)(body, len, mackey, sec->maclen, mac, s);
++static int
++tlsPackAAD(u64int seq, uchar *hdr, uchar *aad)
++{++ put64(aad, seq);
++ aad[8] = hdr[0];
++ aad[9] = hdr[1];
++ aad[10] = hdr[2];
++ aad[11] = hdr[3];
++ aad[12] = hdr[4];
++ return 13;
+ }
+
+ static void
+-tlsPackMac(Secret *sec, uchar *mackey, uchar *seq, uchar *header, uchar *body, int len, uchar *mac)
++packMac(Secret *sec, uchar *aad, int aadlen, uchar *body, int bodylen, uchar *mac)
+ {+ DigestState *s;
+- uchar buf[13];
+-
+- memmove(buf, seq, 8);
+- memmove(&buf[8], header, 5);
+
+- s = (*sec->mac)(buf, 13, mackey, sec->maclen, 0, 0);
+- (*sec->mac)(body, len, mackey, sec->maclen, mac, s);
++ s = (*sec->mac)(aad, aadlen, sec->mackey, sec->maclen, nil, nil);
++ (*sec->mac)(body, bodylen, sec->mackey, sec->maclen, mac, s);
+ }
+
+ static void
+@@ -2190,10 +2303,10 @@
+ }
+
+ static void
+-put64(uchar *p, vlong x)
++put64(uchar *p, u64int x)
+ {+- put32(p, (u32int)(x >> 32));
+- put32(p+4, (u32int)x);
++ put32(p, x >> 32);
++ put32(p+4, x);
+ }
+
+ static void
+@@ -2209,12 +2322,6 @@
+ {+ p[0] = x>>8;
+ p[1] = x;
+-}
+-
+-static u32int
+-get32(uchar *p)
+-{+- return (p[0]<<24)|(p[1]<<16)|(p[2]<<8)|p[3];
+ }
+
+ static int
+--- sys/src/ape/lib/sec/port/mkfile Thu Sep 19 23:24:49 2013
++++ /sys/src/ape/lib/sec/port/mkfile Sat Jun 26 21:21:40 2021
+@@ -5,20 +5,38 @@
+
+ LIBSECCFILES =\
+ des.c desmodes.c desECB.c desCBC.c des3ECB.c des3CBC.c\
+- aes.c blowfish.c \
++ aes.c aesni.c aesCBC.c aesCFB.c aesOFB.c aes_gcm.c \
++ blowfish.c \
+ hmac.c md5.c md5block.c md4.c sha1.c sha1block.c\
+ sha2_64.c sha2_128.c sha2block64.c sha2block128.c\
+- sha1pickle.c md5pickle.c\
++ poly1305.c\
+ rc4.c\
++ chacha.c chachablock.c\
++ salsa.c\
+ genrandom.c prng.c fastrand.c nfastrand.c\
+ probably_prime.c smallprimetest.c genprime.c dsaprimes.c\
+ gensafeprime.c genstrongprime.c\
+ rsagen.c rsafill.c rsaencrypt.c rsadecrypt.c rsaalloc.c \
+- rsaprivtopub.c decodepem.c \
++ rsaprivtopub.c x509.c decodepem.c \
+ eggen.c egencrypt.c egdecrypt.c egalloc.c egprivtopub.c \
+ egsign.c egverify.c \
+ dsagen.c dsaalloc.c dsaprivtopub.c dsasign.c dsaverify.c \
+ tlshand.c thumb.c readcert.c \
++ aes_xts.c \
++ ecc.c\
++ jacobian.c\
++ ripemd.c\
++ dh.c\
++ curve25519.c\
++ curve25519_dh.c\
++ pbkdf2.c\
++ scrypt.c\
++ hkdf.c\
++ ccpoly.c\
++ tsmemcmp.c\
++ secp256r1.c\
++ secp384r1.c\
++ secp256k1.c\
+
+ CFILES=\
+ $LIBSECCFILES\
+--- sys/src/ape/lib/sec/port/x509-ape.c Thu Sep 19 23:15:01 2013
++++ /sys/src/ape/lib/sec/port/x509-ape.c Sat Jun 26 21:25:59 2021
+@@ -3,11 +3,6 @@
+ #include <mp.h>
+ #include <libsec.h>
+
+-typedef DigestState*(*DigestFun)(uchar*,ulong,uchar*,DigestState*);
+-
+-/* ANSI offsetof, backwards. */
+-#define OFFSETOF(a, b) offsetof(b, a)
+-
+ /*=============================================================*/
+ /* general ASN1 declarations and parsing
+ *
+@@ -58,18 +53,18 @@
+
+ struct Bytes {+ int len;
+- uchar data[1];
++ uchar data[];
+ };
+
+ struct Ints {+ int len;
+- int data[1];
++ int data[];
+ };
+
+ struct Bits {+ int len; /* number of bytes */
+ int unusedbits; /* unused bits in last byte */
+- uchar data[1]; /* most-significant bit first */
++ uchar data[]; /* most-significant bit first */
+ };
+
+ struct Tag {+@@ -135,14 +130,11 @@
+ static int is_string(Elem* pe, char** pstring);
+ static int is_time(Elem* pe, char** ptime);
+ static int decode(uchar* a, int alen, Elem* pelem);
+-static int decode_seq(uchar* a, int alen, Elist** pelist);
+-static int decode_value(uchar* a, int alen, int kind, int isconstr, Value* pval);
+ static int encode(Elem e, Bytes** pbytes);
+ static int oid_lookup(Ints* o, Ints** tab);
+ static void freevalfields(Value* v);
+ static mpint *asn1mpint(Elem *e);
+-
+-
++static void edump(Elem);
+
+ #define TAG_MASK 0x1F
+ #define CONSTR_MASK 0x20
+@@ -169,9 +161,8 @@
+ if(n==0)
+ n=1;
+ p = malloc(n);
+- if(p == nil){+- exits("out of memory");+- }
++ if(p == nil)
++ sysfatal("out of memory");+ memset(p, 0, n);
+ setmalloctag(p, getcallerpc(&n));
+ return p;
+@@ -180,14 +171,13 @@
+ static char*
+ estrdup(char *s)
+ {+- char *d, *d0;
++ char *d;
++ int n;
+
+- if(!s)
+- return 0;
+- d = d0 = emalloc(strlen(s)+1);
+- while(*d++ = *s++)
+- ;
+- return d0;
++ n = strlen(s)+1;
++ d = emalloc(n);
++ memmove(d, s, n);
++ return d;
+ }
+
+
+@@ -201,37 +191,12 @@
+ decode(uchar* a, int alen, Elem* pelem)
+ {+ uchar* p = a;
++ int err;
+
+- return ber_decode(&p, &a[alen], pelem);
+-}
+-
+-/*
+- * Like decode, but continue decoding after first element
+- * of array ends.
+- */
+-static int
+-decode_seq(uchar* a, int alen, Elist** pelist)
+-{+- uchar* p = a;
+-
+- return seq_decode(&p, &a[alen], -1, 1, pelist);
+-}
+-
+-/*
+- * Decode the whole array as a BER encoding of an ASN1 value,
+- * (i.e., the part after the tag and length).
+- * Assume the value is encoded as universal tag "kind".
+- * The constr arg is 1 if the value is constructed, 0 if primitive.
+- * If there's an error, the return string will contain the error.
+- * Depending on the error, the returned value may or may not
+- * be nil.
+- */
+-static int
+-decode_value(uchar* a, int alen, int kind, int isconstr, Value* pval)
+-{+- uchar* p = a;
+-
+- return value_decode(&p, &a[alen], alen, kind, isconstr, pval);
++ err = ber_decode(&p, &a[alen], pelem);
++ if(err == ASN_OK && p != &a[alen])
++ err = ASN_EVALLEN;
++ return err;
+ }
+
+ /*
+@@ -257,15 +222,14 @@
+ Tag tag;
+ Value val;
+
++ memset(pelem, 0, sizeof(*pelem));
+ err = tag_decode(pp, pend, &tag, &isconstr);
+ if(err == ASN_OK) {+ err = length_decode(pp, pend, &length);
+ if(err == ASN_OK) {+- if(tag.class == Universal) {++ if(tag.class == Universal)
+ err = value_decode(pp, pend, length, tag.num, isconstr, &val);
+- if(val.tag == VSeq || val.tag == VSet)
+- setmalloctag(val.u.seqval, getcallerpc(&pp));
+- }else
++ else
+ err = value_decode(pp, pend, length, OCTET_STRING, 0, &val);
+ if(err == ASN_OK) {+ pelem->tag = tag;
+@@ -400,8 +364,7 @@
+ pval->u.bitstringval = makebits(0, 0, 0);
+ p += 2;
+ }
+- else
+- /* TODO: recurse and concat results */
++ else /* TODO: recurse and concat results */
+ err = ASN_EUNIMPL;
+ }
+ else {+@@ -502,7 +465,6 @@
+
+ case SEQUENCE:
+ err = seq_decode(&p, pend, length, isconstr, &vl);
+- setmalloctag(vl, getcallerpc(&pp));
+ if(err == ASN_OK) {+ pval->tag = VSeq ;
+ pval->u.seqval = vl;
+@@ -511,12 +473,12 @@
+
+ case SETOF:
+ err = seq_decode(&p, pend, length, isconstr, &vl);
+- setmalloctag(vl, getcallerpc(&pp));
+ if(err == ASN_OK) {+ pval->tag = VSet;
+ pval->u.setval = vl;
+ }
+ break;
++
+ case UTF8String:
+ case NumericString:
+ case PrintableString:
+@@ -530,13 +492,64 @@
+ case GeneralString:
+ case UniversalString:
+ case BMPString:
+- /* TODO: figure out when character set conversion is necessary */
+ err = octet_decode(&p, pend, length, isconstr, &va);
+ if(err == ASN_OK) {+- pval->tag = VString;
+- pval->u.stringval = (char*)emalloc(va->len+1);
+- memmove(pval->u.stringval, va->data, va->len);
+- pval->u.stringval[va->len] = 0;
++ uchar *s;
++ char *d;
++ Rune r;
++ int n;
++
++ switch(kind){++ case UniversalString:
++ n = va->len / 4;
++ d = emalloc(n*UTFmax+1);
++ pval->u.stringval = d;
++ s = va->data;
++ while(n > 0){++ r = s[0]<<24 | s[1]<<16 | s[2]<<8 | s[3];
++ if(r == 0)
++ break;
++ n--;
++ s += 4;
++ d += runetochar(d, &r);
++ }
++ *d = 0;
++ break;
++ case BMPString:
++ n = va->len / 2;
++ d = emalloc(n*UTFmax+1);
++ pval->u.stringval = d;
++ s = va->data;
++ while(n > 0){++ r = s[0]<<8 | s[1];
++ if(r == 0)
++ break;
++ n--;
++ s += 2;
++ d += runetochar(d, &r);
++ }
++ *d = 0;
++ break;
++ default:
++ n = va->len;
++ d = emalloc(n+1);
++ pval->u.stringval = d;
++ s = va->data;
++ while(n > 0){++ if((*d = *s) == 0)
++ break;
++ n--;
++ s++;
++ d++;
++ }
++ *d = 0;
++ break;
++ }
++ if(n != 0){++ err = ASN_EINVAL;
++ free(pval->u.stringval);
++ } else
++ pval->tag = VString;
+ free(va);
+ }
+ break;
+@@ -665,25 +678,27 @@
+ switch(elem.val.tag) {+ case VOctets:
+ newans = catbytes(ans, elem.val.u.octetsval);
++ freevalfields(&elem.val);
+ freebytes(ans);
+ ans = newans;
+ break;
+
+ case VEOC:
+- if(length != -1) {+- p = pold;
+- err = ASN_EINVAL;
+- }
+- goto cloop_done;
+-
++ if(length == -1)
++ goto cloop_done;
++ /* no break */
+ default:
++ freevalfields(&elem.val);
+ p = pold;
+ err = ASN_EINVAL;
+ goto cloop_done;
+ }
+ }
+ cloop_done:
+- ;
++ if(err != ASN_OK){++ freebytes(ans);
++ ans = nil;
++ }
+ }
+ *pp = p;
+ *pbytes = ans;
+@@ -736,7 +751,9 @@
+ else
+ lve = mkel(elem, lve);
+ }
+- if(err == ASN_OK) {++ if(err != ASN_OK)
++ freeelist(lve);
++ else {+ /* reverse back to original order */
+ while(lve != nil) {+ lveold = lve;
+@@ -748,7 +765,6 @@
+ }
+ *pp = p;
+ *pelist = ans;
+- setmalloctag(ans, getcallerpc(&pp));
+ return err;
+ }
+
+@@ -977,8 +993,8 @@
+ memmove(p, bb->data, bb->len);
+ p += bb->len;
+ }
+- else
+- err = ASN_EINVAL;
++ else
++ err = ASN_EINVAL;
+ break;
+
+ case NULLTAG:
+@@ -1195,21 +1211,8 @@
+ static int
+ is_bigint(Elem* pe, Bytes** pbigint)
+ {+- int v, n, i;
+-
+- if(pe->tag.class == Universal && pe->tag.num == INTEGER) {+- if(pe->val.tag == VBigInt)
+- *pbigint = pe->val.u.bigintval;
+- else if(pe->val.tag == VInt){+- v = pe->val.u.intval;
+- for(n = 1; n < 4; n++)
+- if((1 << (8 * n)) > v)
+- break;
+- *pbigint = newbytes(n);
+- for(i = 0; i < n; i++)
+- (*pbigint)->data[i] = (v >> ((n - 1 - i) * 8));
+- }else
+- return 0;
++ if(pe->tag.class == Universal && pe->tag.num == INTEGER && pe->val.tag == VBigInt) {++ *pbigint = pe->val.u.bigintval;
+ return 1;
+ }
+ return 0;
+@@ -1292,7 +1295,9 @@
+ {+ Bytes* ans;
+
+- ans = (Bytes*)emalloc(OFFSETOF(data[0], Bytes) + len);
++ if(len < 0)
++ abort();
++ ans = emalloc(sizeof(Bytes) + len);
+ ans->len = len;
+ return ans;
+ }
+@@ -1313,8 +1318,7 @@
+ static void
+ freebytes(Bytes* b)
+ {+- if(b != nil)
+- free(b);
++ free(b);
+ }
+
+ /*
+@@ -1352,7 +1356,9 @@
+ {+ Ints* ans;
+
+- ans = (Ints*)emalloc(OFFSETOF(data[0], Ints) + len*sizeof(int));
++ if(len < 0 || len > ((uint)-1>>1)/sizeof(int))
++ abort();
++ ans = emalloc(sizeof(Ints) + len*sizeof(int));
+ ans->len = len;
+ return ans;
+ }
+@@ -1363,16 +1369,14 @@
+ Ints* ans;
+
+ ans = newints(len);
+- if(len > 0)
+- memmove(ans->data, buf, len*sizeof(int));
++ memmove(ans->data, buf, len*sizeof(int));
+ return ans;
+ }
+
+ static void
+ freeints(Ints* b)
+ {+- if(b != nil)
+- free(b);
++ free(b);
+ }
+
+ /* len is number of bytes */
+@@ -1381,7 +1385,9 @@
+ {+ Bits* ans;
+
+- ans = (Bits*)emalloc(OFFSETOF(data[0], Bits) + len);
++ if(len < 0)
++ abort();
++ ans = emalloc(sizeof(Bits) + len);
+ ans->len = len;
+ ans->unusedbits = 0;
+ return ans;
+@@ -1401,8 +1407,7 @@
+ static void
+ freebits(Bits* b)
+ {+- if(b != nil)
+- free(b);
++ free(b);
+ }
+
+ static Elist*
+@@ -1469,24 +1474,35 @@
+ freeints(v->u.objidval);
+ break;
+ case VString:
+- if(v->u.stringval)
+- free(v->u.stringval);
++ free(v->u.stringval);
+ break;
+ case VSeq:
+ el = v->u.seqval;
+ for(l = el; l != nil; l = l->tl)
+ freevalfields(&l->hd.val);
+- if(el)
+- freeelist(el);
++ freeelist(el);
+ break;
+ case VSet:
+ el = v->u.setval;
+ for(l = el; l != nil; l = l->tl)
+ freevalfields(&l->hd.val);
+- if(el)
+- freeelist(el);
++ freeelist(el);
+ break;
+ }
++ memset(v, 0, sizeof(*v));
++}
++
++static mpint*
++asn1mpint(Elem *e)
++{++ Bytes *b;
++ int v;
++
++ if(is_int(e, &v))
++ return itomp(v, nil);
++ if(is_bigint(e, &b))
++ return betomp(b->data, b->len, nil);
++ return nil;
+ }
+
+ /* end of general ASN1 functions */
+@@ -1569,9 +1585,10 @@
+ char* validity_end;
+ char* subject;
+ int publickey_alg;
+- Bytes* publickey;
++ Bits* publickey;
+ int signature_alg;
+- Bytes* signature;
++ Bits* signature;
++ int curve;
+ } CertX509;
+
+ /* Algorithm object-ids */
+@@ -1580,48 +1597,144 @@
+ ALG_md2WithRSAEncryption,
+ ALG_md4WithRSAEncryption,
+ ALG_md5WithRSAEncryption,
++
+ ALG_sha1WithRSAEncryption,
+ ALG_sha1WithRSAEncryptionOiw,
++
++ ALG_sha256WithRSAEncryption,
++ ALG_sha384WithRSAEncryption,
++ ALG_sha512WithRSAEncryption,
++ ALG_sha224WithRSAEncryption,
++
++ ALG_ecPublicKey,
++ ALG_sha1WithECDSA,
++ ALG_sha256WithECDSA,
++ ALG_sha384WithECDSA,
++ ALG_sha512WithECDSA,
++
+ ALG_md5,
++ ALG_sha1,
++ ALG_sha256,
++ ALG_sha384,
++ ALG_sha512,
++ ALG_sha224,
++
+ NUMALGS
+ };
+-typedef struct Ints7 {++
++typedef struct Ints15 {+ int len;
+- int data[7];
+-} Ints7;
+-static Ints7 oid_rsaEncryption = {7, 1, 2, 840, 113549, 1, 1, 1 };+-static Ints7 oid_md2WithRSAEncryption = {7, 1, 2, 840, 113549, 1, 1, 2 };+-static Ints7 oid_md4WithRSAEncryption = {7, 1, 2, 840, 113549, 1, 1, 3 };+-static Ints7 oid_md5WithRSAEncryption = {7, 1, 2, 840, 113549, 1, 1, 4 };+-static Ints7 oid_sha1WithRSAEncryption ={7, 1, 2, 840, 113549, 1, 1, 5 };+-static Ints7 oid_sha1WithRSAEncryptionOiw ={6, 1, 3, 14, 3, 2, 29 };+-static Ints7 oid_md5 ={6, 1, 2, 840, 113549, 2, 5, 0 };++ int data[15];
++} Ints15;
++
++typedef struct DigestAlg {++ int alg;
++ DigestState* (*fun)(uchar*,ulong,uchar*,DigestState*);
++ int len;
++} DigestAlg;
++
++static DigestAlg alg_md5 = { ALG_md5, md5, MD5dlen};++static DigestAlg alg_sha1 = { ALG_sha1, sha1, SHA1dlen };++static DigestAlg alg_sha256 = { ALG_sha256, sha2_256, SHA2_256dlen };++static DigestAlg alg_sha384 = { ALG_sha384, sha2_384, SHA2_384dlen };++static DigestAlg alg_sha512 = { ALG_sha512, sha2_512, SHA2_512dlen };++static DigestAlg alg_sha224 = { ALG_sha224, sha2_224, SHA2_224dlen };++
++/* maximum length of digest output of the digest algs above */
++enum {++ MAXdlen = SHA2_512dlen,
++};
++
++static Ints15 oid_rsaEncryption = {7, 1, 2, 840, 113549, 1, 1, 1 };++
++static Ints15 oid_md2WithRSAEncryption = {7, 1, 2, 840, 113549, 1, 1, 2 };++static Ints15 oid_md4WithRSAEncryption = {7, 1, 2, 840, 113549, 1, 1, 3 };++static Ints15 oid_md5WithRSAEncryption = {7, 1, 2, 840, 113549, 1, 1, 4 };++static Ints15 oid_sha1WithRSAEncryption ={7, 1, 2, 840, 113549, 1, 1, 5 };++static Ints15 oid_sha1WithRSAEncryptionOiw ={6, 1, 3, 14, 3, 2, 29 };++static Ints15 oid_sha256WithRSAEncryption = {7, 1, 2, 840, 113549, 1, 1, 11 };++static Ints15 oid_sha384WithRSAEncryption = {7, 1, 2, 840, 113549, 1, 1, 12 };++static Ints15 oid_sha512WithRSAEncryption = {7, 1, 2, 840, 113549, 1, 1, 13 };++static Ints15 oid_sha224WithRSAEncryption = {7, 1, 2, 840, 113549, 1, 1, 14 };++
++static Ints15 oid_ecPublicKey = {6, 1, 2, 840, 10045, 2, 1 };++static Ints15 oid_sha1WithECDSA = {6, 1, 2, 840, 10045, 4, 1 };++static Ints15 oid_sha256WithECDSA = {7, 1, 2, 840, 10045, 4, 3, 2 };++static Ints15 oid_sha384WithECDSA = {7, 1, 2, 840, 10045, 4, 3, 3 };++static Ints15 oid_sha512WithECDSA = {7, 1, 2, 840, 10045, 4, 3, 4 };++
++static Ints15 oid_md5 = {6, 1, 2, 840, 113549, 2, 5 };++static Ints15 oid_sha1 = {6, 1, 3, 14, 3, 2, 26 };++static Ints15 oid_sha256= {9, 2, 16, 840, 1, 101, 3, 4, 2, 1 };++static Ints15 oid_sha384= {9, 2, 16, 840, 1, 101, 3, 4, 2, 2 };++static Ints15 oid_sha512= {9, 2, 16, 840, 1, 101, 3, 4, 2, 3 };++static Ints15 oid_sha224= {9, 2, 16, 840, 1, 101, 3, 4, 2, 4 };++
+ static Ints *alg_oid_tab[NUMALGS+1] = {+ (Ints*)&oid_rsaEncryption,
+ (Ints*)&oid_md2WithRSAEncryption,
+ (Ints*)&oid_md4WithRSAEncryption,
+ (Ints*)&oid_md5WithRSAEncryption,
++
+ (Ints*)&oid_sha1WithRSAEncryption,
+ (Ints*)&oid_sha1WithRSAEncryptionOiw,
++
++ (Ints*)&oid_sha256WithRSAEncryption,
++ (Ints*)&oid_sha384WithRSAEncryption,
++ (Ints*)&oid_sha512WithRSAEncryption,
++ (Ints*)&oid_sha224WithRSAEncryption,
++
++ (Ints*)&oid_ecPublicKey,
++ (Ints*)&oid_sha1WithECDSA,
++ (Ints*)&oid_sha256WithECDSA,
++ (Ints*)&oid_sha384WithECDSA,
++ (Ints*)&oid_sha512WithECDSA,
++
+ (Ints*)&oid_md5,
++ (Ints*)&oid_sha1,
++ (Ints*)&oid_sha256,
++ (Ints*)&oid_sha384,
++ (Ints*)&oid_sha512,
++ (Ints*)&oid_sha224,
++ nil
++};
++
++static DigestAlg *digestalg[NUMALGS+1] = {++ &alg_md5, &alg_md5, &alg_md5, &alg_md5,
++ &alg_sha1, &alg_sha1,
++ &alg_sha256, &alg_sha384, &alg_sha512, &alg_sha224,
++ &alg_sha256, &alg_sha1, &alg_sha256, &alg_sha384, &alg_sha512,
++ &alg_md5, &alg_sha1, &alg_sha256, &alg_sha384, &alg_sha512, &alg_sha224,
+ nil
+ };
+-static DigestFun digestalg[NUMALGS+1] = { md5, md5, md5, md5, sha1, sha1, md5, nil };++
++static Bytes* encode_digest(DigestAlg *da, uchar *digest);
++
++static Ints15 oid_secp256r1 = {7, 1, 2, 840, 10045, 3, 1, 7};++static Ints15 oid_secp384r1 = {5, 1, 3, 132, 0, 34};++
++static Ints *namedcurves_oid_tab[] = {++ (Ints*)&oid_secp256r1,
++ (Ints*)&oid_secp384r1,
++ nil,
++};
++static void (*namedcurves[])(mpint *p, mpint *a, mpint *b, mpint *x, mpint *y, mpint *n, mpint *h) = {++ secp256r1,
++ secp384r1,
++ nil,
++};
+
+ static void
+ freecert(CertX509* c)
+ {+- if(!c) return;
+- if(c->issuer != nil)
+- free(c->issuer);
+- if(c->validity_start != nil)
+- free(c->validity_start);
+- if(c->validity_end != nil)
+- free(c->validity_end);
+- if(c->subject != nil)
+- free(c->subject);
+- freebytes(c->publickey);
+- freebytes(c->signature);
++ if(c == nil)
++ return;
++ free(c->issuer);
++ free(c->validity_start);
++ free(c->validity_end);
++ free(c->subject);
++ freebits(c->publickey);
++ freebits(c->signature);
+ free(c);
+ }
+
+@@ -1702,12 +1815,22 @@
+ return oid_lookup(oid, alg_oid_tab);
+ }
+
++static int
++parse_curve(Elem* e)
++{++ Elist* el;
++ Ints* oid;
++
++ if(!is_seq(e, &el) || elistlen(el)<2 || !is_oid(&el->tl->hd, &oid))
++ return -1;
++ return oid_lookup(oid, namedcurves_oid_tab);
++}
++
+ static CertX509*
+-decode_cert(Bytes* a)
++decode_cert(uchar *buf, int len)
+ {+ int ok = 0;
+ int n;
+- CertX509* c = nil;
+ Elem ecert;
+ Elem* ecertinfo;
+ Elem* esigalg;
+@@ -1725,8 +1848,9 @@
+ Bits* bits = nil;
+ Bytes* b;
+ Elem* e;
++ CertX509* c = nil;
+
+- if(decode(a->data, a->len, &ecert) != ASN_OK)
++ if(decode(buf, len, &ecert) != ASN_OK)
+ goto errret;
+
+ c = (CertX509*)emalloc(sizeof(CertX509));
+@@ -1776,7 +1900,7 @@
+ esubj = &el->hd;
+ el = el->tl;
+ epubkey = &el->hd;
+- if(!is_int(eserial, &c->serial)) {++ if(!is_int(eserial, &c->serial)) {+ if(!is_bigint(eserial, &b))
+ goto errret;
+ c->serial = -1; /* else we have to change cert struct */
+@@ -1804,7 +1928,7 @@
+ goto errret;
+
+ /* SubjectPublicKeyInfo */
+- if(!is_seq(epubkey, &elpubkey))
++ if(!is_seq(epubkey, &elpubkey))
+ goto errret;
+ if(elistlen(elpubkey) != 2)
+ goto errret;
+@@ -1812,18 +1936,25 @@
+ c->publickey_alg = parse_alg(&elpubkey->hd);
+ if(c->publickey_alg < 0)
+ goto errret;
+- if(!is_bitstring(&elpubkey->tl->hd, &bits))
+- goto errret;
+- if(bits->unusedbits != 0)
++ c->curve = -1;
++ if(c->publickey_alg == ALG_ecPublicKey){++ c->curve = parse_curve(&elpubkey->hd);
++ if(c->curve < 0)
++ goto errret;
++ }
++ elpubkey = elpubkey->tl;
++ if(!is_bitstring(&elpubkey->hd, &bits))
+ goto errret;
+- c->publickey = makebytes(bits->data, bits->len);
++ elpubkey->hd.val.u.bitstringval = nil; /* transfer ownership */
++ c->publickey = bits;
+
+ /*resume Certificate */
+ if(c->signature_alg < 0)
+ goto errret;
+- if(!is_bitstring(esig, &bits))
++ if(!is_bitstring(esig, &bits))
+ goto errret;
+- c->signature = makebytes(bits->data, bits->len);
++ esig->val.u.bitstringval = nil; /* transfer ownership */
++ c->signature = bits;
+ ok = 1;
+
+ errret:
+@@ -1836,45 +1967,38 @@
+ }
+
+ /*
+- * RSAPublickKey :: SEQUENCE {++ * RSAPublickKey ::= SEQUENCE {+ * modulus INTEGER,
+ * publicExponent INTEGER
+ * }
+ */
+-static RSApub*
+-decode_rsapubkey(Bytes* a)
++RSApub*
++asn1toRSApub(uchar *buf, int len)
+ {+ Elem e;
+- Elist *el, *l;
+- mpint *mp;
++ Elist *el;
+ RSApub* key;
+
+- l = nil;
+- key = rsapuballoc();
+- if(decode(a->data, a->len, &e) != ASN_OK)
++ key = nil;
++ if(decode(buf, len, &e) != ASN_OK)
+ goto errret;
+ if(!is_seq(&e, &el) || elistlen(el) != 2)
+ goto errret;
+
+- l = el;
+-
+- key->n = mp = asn1mpint(&el->hd);
+- if(mp == nil)
++ key = rsapuballoc();
++ if((key->n = asn1mpint(&el->hd)) == nil)
+ goto errret;
+-
+ el = el->tl;
+- key->ek = mp = asn1mpint(&el->hd);
+- if(mp == nil)
++ if((key->ek = asn1mpint(&el->hd)) == nil)
+ goto errret;
+
+- if(l != nil)
+- freeelist(l);
++ freevalfields(&e.val);
+ return key;
+ errret:
+- if(l != nil)
+- freeelist(l);
++ freevalfields(&e.val);
+ rsapubfree(key);
+ return nil;
++
+ }
+
+ /*
+@@ -1889,65 +2013,72 @@
+ * exponent2 INTEGER, -- d mod (q-1)
+ * coefficient INTEGER -- (inverse of q) mod p }
+ */
+-static RSApriv*
+-decode_rsaprivkey(Bytes* a)
++RSApriv*
++asn1toRSApriv(uchar *buf, int len)
+ {+ int version;
+ Elem e;
+ Elist *el;
+- mpint *mp;
+- RSApriv* key;
++ Bytes *b;
++ RSApriv* key = nil;
+
+- key = rsaprivalloc();
+- if(decode(a->data, a->len, &e) != ASN_OK)
++ if(decode(buf, len, &e) != ASN_OK)
+ goto errret;
+- if(!is_seq(&e, &el) || elistlen(el) != 9)
++ if(!is_seq(&e, &el))
+ goto errret;
++
+ if(!is_int(&el->hd, &version) || version != 0)
+ goto errret;
+
++ if(elistlen(el) != 9){++ if(elistlen(el) == 3
++ && parse_alg(&el->tl->hd) == ALG_rsaEncryption
++ && is_octetstring(&el->tl->tl->hd, &b)){++ key = asn1toRSApriv(b->data, b->len);
++ if(key != nil)
++ goto done;
++ }
++ goto errret;
++ }
++
++ key = rsaprivalloc();
+ el = el->tl;
+- key->pub.n = mp = asn1mpint(&el->hd);
+- if(mp == nil)
++ if((key->pub.n = asn1mpint(&el->hd)) == nil)
+ goto errret;
+
+ el = el->tl;
+- key->pub.ek = mp = asn1mpint(&el->hd);
+- if(mp == nil)
++ if((key->pub.ek = asn1mpint(&el->hd)) == nil)
+ goto errret;
+
+ el = el->tl;
+- key->dk = mp = asn1mpint(&el->hd);
+- if(mp == nil)
++ if((key->dk = asn1mpint(&el->hd)) == nil)
+ goto errret;
+
+ el = el->tl;
+- key->q = mp = asn1mpint(&el->hd);
+- if(mp == nil)
++ if((key->q = asn1mpint(&el->hd)) == nil)
+ goto errret;
+
+ el = el->tl;
+- key->p = mp = asn1mpint(&el->hd);
+- if(mp == nil)
++ if((key->p = asn1mpint(&el->hd)) == nil)
+ goto errret;
+
+ el = el->tl;
+- key->kq = mp = asn1mpint(&el->hd);
+- if(mp == nil)
++ if((key->kq = asn1mpint(&el->hd)) == nil)
+ goto errret;
+
+ el = el->tl;
+- key->kp = mp = asn1mpint(&el->hd);
+- if(mp == nil)
++ if((key->kp = asn1mpint(&el->hd)) == nil)
+ goto errret;
+
+ el = el->tl;
+- key->c2 = mp = asn1mpint(&el->hd);
+- if(mp == nil)
++ if((key->c2 = asn1mpint(&el->hd)) == nil)
+ goto errret;
+
++done:
++ freevalfields(&e.val);
+ return key;
+ errret:
++ freevalfields(&e.val);
+ rsaprivfree(key);
+ return nil;
+ }
+@@ -2014,56 +2145,6 @@
+ return nil;
+ }
+
+-static mpint*
+-asn1mpint(Elem *e)
+-{+- Bytes *b;
+- mpint *mp;
+- int v;
+-
+- if(is_int(e, &v))
+- return itomp(v, nil);
+- if(is_bigint(e, &b)) {+- mp = betomp(b->data, b->len, nil);
+- freebytes(b);
+- return mp;
+- }
+- return nil;
+-}
+-
+-static mpint*
+-pkcs1pad(Bytes *b, mpint *modulus)
+-{+- int n = (mpsignif(modulus)+7)/8;
+- int pm1, i;
+- uchar *p;
+- mpint *mp;
+-
+- pm1 = n - 1 - b->len;
+- p = (uchar*)emalloc(n);
+- p[0] = 0;
+- p[1] = 1;
+- for(i = 2; i < pm1; i++)
+- p[i] = 0xFF;
+- p[pm1] = 0;
+- memcpy(&p[pm1+1], b->data, b->len);
+- mp = betomp(p, n, nil);
+- free(p);
+- return mp;
+-}
+-
+-RSApriv*
+-asn1toRSApriv(uchar *kd, int kn)
+-{+- Bytes *b;
+- RSApriv *key;
+-
+- b = makebytes(kd, kn);
+- key = decode_rsaprivkey(b);
+- freebytes(b);
+- return key;
+-}
+-
+ DSApriv*
+ asn1toDSApriv(uchar *kd, int kn)
+ {+@@ -2081,219 +2162,244 @@
+ * Our ASN.1 library doesn't return pointers into the original
+ * data array, so we need to do a little hand decoding.
+ */
+-static void
+-digest_certinfo(Bytes *cert, DigestFun digestfun, uchar *digest)
++static int
++digest_certinfo(uchar *cert, int ncert, DigestAlg *da, uchar *digest)
+ {+ uchar *info, *p, *pend;
+- ulong infolen;
+ int isconstr, length;
+ Tag tag;
+ Elem elem;
+
+- p = cert->data;
+- pend = cert->data + cert->len;
++ p = cert;
++ pend = cert + ncert;
+ if(tag_decode(&p, pend, &tag, &isconstr) != ASN_OK ||
+ tag.class != Universal || tag.num != SEQUENCE ||
+ length_decode(&p, pend, &length) != ASN_OK ||
+ p+length > pend ||
+ p+length < p)
+- return;
++ return -1;
+ info = p;
+ if(ber_decode(&p, pend, &elem) != ASN_OK)
+- return;
++ return -1;
+ freevalfields(&elem.val);
+ if(elem.tag.num != SEQUENCE)
+- return;
+- infolen = p - info;
+- (*digestfun)(info, infolen, digest, nil);
++ return -1;
++ (*da->fun)(info, p - info, digest, nil);
++ return da->len;
+ }
+
+-static char*
+-verify_signature(Bytes* signature, RSApub *pk, uchar *edigest, Elem **psigalg)
++mpint*
++pkcs1padbuf(uchar *buf, int len, mpint *modulus, int blocktype)
+ {+- Elem e;
+- Elist *el;
++ int i, n = (mpsignif(modulus)-1)/8;
++ int pad = n - 2 - len;
++ uchar *p;
++ mpint *mp;
++
++ if(pad < 8){++ werrstr("rsa modulus too small");++ return nil;
++ }
++ if((p = malloc(n)) == nil)
++ return nil;
++ p[0] = blocktype;
++ switch(blocktype){++ default:
++ case 1:
++ memset(p+1, 0xFF, pad);
++ break;
++ case 2:
++ for(i=1; i <= pad; i++)
++ p[i] = 1 + nfastrand(255);
++ break;
++ }
++ p[1+pad] = 0;
++ memmove(p+2+pad, buf, len);
++ mp = betomp(p, n, nil);
++ free(p);
++ return mp;
++}
++
++int
++pkcs1unpadbuf(uchar *buf, int len, mpint *modulus, int blocktype)
++{++ uchar *p = buf + 1, *e = buf + len;
++
++ if(len < 1 || len != (mpsignif(modulus)-1)/8 || buf[0] != blocktype)
++ return -1;
++ switch(blocktype){++ default:
++ case 1:
++ while(p < e && *p == 0xFF)
++ p++;
++ break;
++ case 2:
++ while(p < e && *p != 0x00)
++ p++;
++ break;
++ }
++ if(p - buf <= 8 || p >= e || *p++ != 0x00)
++ return -1;
++ memmove(buf, p, len = e - p);
++ return len;
++}
++
++static char Ebadsig[] = "bad signature";
++
++char*
++X509rsaverifydigest(uchar *sig, int siglen, uchar *edigest, int edigestlen, RSApub *pk)
++{++ mpint *x, *y;
++ DigestAlg **dp;
+ Bytes *digest;
+- uchar *pkcs1buf, *buf;
+- int buflen;
+- mpint *pkcs1;
+- int nlen;
++ uchar *buf;
++ int len;
+ char *err;
+
+- err = nil;
+- pkcs1buf = nil;
++ x = betomp(sig, siglen, nil);
++ y = rsaencrypt(pk, x, nil);
++ mpfree(x);
++ len = mptobe(y, nil, 0, &buf);
++ mpfree(y);
++
++ err = Ebadsig;
++ len = pkcs1unpadbuf(buf, len, pk->n, 1);
++ if(len == edigestlen && tsmemcmp(buf, edigest, edigestlen) == 0)
++ err = nil;
++ for(dp = digestalg; err != nil && *dp != nil; dp++){++ if((*dp)->len != edigestlen)
++ continue;
++ digest = encode_digest(*dp, edigest);
++ if(digest->len == len && tsmemcmp(digest->data, buf, len) == 0)
++ err = nil;
++ freebytes(digest);
++ }
++ free(buf);
++ return err;
++}
+
+- /* one less than the byte length of the modulus */
+- nlen = (mpsignif(pk->n)-1)/8;
++char*
++X509ecdsaverifydigest(uchar *sig, int siglen, uchar *edigest, int edigestlen, ECdomain *dom, ECpub *pub)
++{++ Elem e;
++ Elist *el;
++ mpint *r, *s;
++ char *err;
+
+- /* see 9.2.1 of rfc2437 */
+- pkcs1 = betomp(signature->data, signature->len, nil);
+- mpexp(pkcs1, pk->ek, pk->n, pkcs1);
+- buflen = mptobe(pkcs1, nil, 0, &pkcs1buf);
+- buf = pkcs1buf;
+- if(buflen != nlen || buf[0] != 1) {+- err = "expected 1";
++ r = s = nil;
++ err = Ebadsig;
++ if(decode(sig, siglen, &e) != ASN_OK)
+ goto end;
+- }
+- buf++;
+- while(buf[0] == 0xff)
+- buf++;
+- if(buf[0] != 0) {+- err = "expected 0";
++ if(!is_seq(&e, &el) || elistlen(el) != 2)
+ goto end;
+- }
+- buf++;
+- buflen -= buf-pkcs1buf;
+- if(decode(buf, buflen, &e) != ASN_OK || !is_seq(&e, &el) || elistlen(el) != 2 ||
+- !is_octetstring(&el->tl->hd, &digest)) {+- err = "signature parse error";
++ r = asn1mpint(&el->hd);
++ if(r == nil)
+ goto end;
+- }
+- *psigalg = &el->hd;
+- if(memcmp(digest->data, edigest, digest->len) == 0)
++ el = el->tl;
++ s = asn1mpint(&el->hd);
++ if(s == nil)
+ goto end;
+- err = "digests did not match";
+-
++ if(ecdsaverify(dom, pub, edigest, edigestlen, r, s))
++ err = nil;
+ end:
+- if(pkcs1 != nil)
+- mpfree(pkcs1);
+- if(pkcs1buf != nil)
+- free(pkcs1buf);
++ freevalfields(&e.val);
++ mpfree(s);
++ mpfree(r);
+ return err;
+ }
+
+-RSApub*
+-X509toRSApub(uchar *cert, int ncert, char *name, int nname)
++static void
++copysubject(char *name, int nname, char *subject)
+ {+ char *e;
+- Bytes *b;
++
++ if(name == nil)
++ return;
++ memset(name, 0, nname);
++ if(subject == nil)
++ return;
++ strncpy(name, subject, nname-1);
++ e = strchr(name, ',');
++ if(e != nil)
++ *e = 0; /* take just CN part of Distinguished Name */
++}
++
++ECpub*
++X509toECpub(uchar *cert, int ncert, char *name, int nname, ECdomain *dom)
++{+ CertX509 *c;
+- RSApub *pk;
++ ECpub *pub;
+
+- b = makebytes(cert, ncert);
+- c = decode_cert(b);
+- freebytes(b);
++ c = decode_cert(cert, ncert);
+ if(c == nil)
+ return nil;
+- if(name != nil && c->subject != nil){+- e = strchr(c->subject, ',');
+- if(e != nil)
+- *e = 0; /* take just CN part of Distinguished Name */
+- strncpy(name, c->subject, nname);
++ copysubject(name, nname, c->subject);
++ pub = nil;
++ if(c->publickey_alg == ALG_ecPublicKey){++ ecdominit(dom, namedcurves[c->curve]);
++ pub = ecdecodepub(dom, c->publickey->data, c->publickey->len);
++ if(pub == nil)
++ ecdomfree(dom);
+ }
+- pk = decode_rsapubkey(c->publickey);
+ freecert(c);
+- return pk;
++ return pub;
+ }
+
+-int
+-getalgo(Elem *e)
++char*
++X509ecdsaverify(uchar *cert, int ncert, ECdomain *dom, ECpub *pk)
+ {+- Value *v;
+- Elist *el;
+- int a;
++ char *e;
++ CertX509 *c;
++ int digestlen;
++ uchar digest[MAXdlen];
+
+- if((a = parse_alg(e)) >= 0)
+- return a;
+- v = &e->val;
+- if(v->tag == VSeq){+- print("Seq\n");+- for(el = v->u.seqval; el!=nil; el = el->tl){+- if((a = getalgo(&el->hd)) >= 0)
+- return a;
+- }
++ c = decode_cert(cert, ncert);
++ if(c == nil)
++ return "cannot decode cert";
++ digestlen = digest_certinfo(cert, ncert, digestalg[c->signature_alg], digest);
++ if(digestlen <= 0){++ freecert(c);
++ return "cannot decode certinfo";
+ }
+- return -1;
++ e = X509ecdsaverifydigest(c->signature->data, c->signature->len, digest, digestlen, dom, pk);
++ freecert(c);
++ return e;
+ }
+
+-static void edump(Elem e);
+-
+ RSApub*
+-asn1toRSApub(uchar *der, int nder)
++X509toRSApub(uchar *cert, int ncert, char *name, int nname)
+ {+- Elem e;
+- Elist *el, *l;
+- int n;
+- Bits *b;
+- RSApub *key;
+- mpint *mp;
++ CertX509 *c;
++ RSApub *pub;
+
+- if(decode(der, nder, &e) != ASN_OK){+- print("didn't parse\n");+- return nil;
+- }
+- if(!is_seq(&e, &el)){+- print("no seq");+- return nil;
+- }
+- if((n = elistlen(el)) != 2){+- print("bad length %d\n", n);+- return nil;
+- }
+- if((n = getalgo(&el->hd)) < 0){+- print("no algo\n");+- return nil;
+- }
+- if(n != 0){+- print("cant do algorithm %d\n", n);+- return nil;
+- }
+- if(!is_bitstring(&el->tl->hd, &b)){+- print("no bits\n");+- return nil;
+- }
+- if(decode(b->data, b->len, &e) != ASN_OK){+- print("no second decode\n");+- return nil;
+- }
+- if(!is_seq(&e, &el)){+- print("no second seq\n");+- return nil;
+- }
+- if(elistlen(el) != 2){+- print("no second length\n");++ c = decode_cert(cert, ncert);
++ if(c == nil)
+ return nil;
+- }
+- key = rsapuballoc();
+-
+- l = el;
+-
+- key->n = mp = asn1mpint(&el->hd);
+- if(mp == nil)
+- goto errret;
+-
+- el = el->tl;
+- key->ek = mp = asn1mpint(&el->hd);
+- if(mp == nil)
+- goto errret;
+-
+- if(l != nil)
+- freeelist(l);
+- return key;
+-errret:
+- if(l != nil)
+- freeelist(l);
+- rsapubfree(key);
+- return nil;
++ copysubject(name, nname, c->subject);
++ pub = nil;
++ if(c->publickey_alg == ALG_rsaEncryption)
++ pub = asn1toRSApub(c->publickey->data, c->publickey->len);
++ freecert(c);
++ return pub;
+ }
+
+ char*
+-X509verify(uchar *cert, int ncert, RSApub *pk)
++X509rsaverify(uchar *cert, int ncert, RSApub *pk)
+ {+ char *e;
+- Bytes *b;
+ CertX509 *c;
+- uchar digest[SHA1dlen];
+- Elem *sigalg;
++ int digestlen;
++ uchar digest[MAXdlen];
+
+- b = makebytes(cert, ncert);
+- c = decode_cert(b);
+- if(c != nil)
+- digest_certinfo(b, digestalg[c->signature_alg], digest);
+- freebytes(b);
++ c = decode_cert(cert, ncert);
+ if(c == nil)
+ return "cannot decode cert";
+- e = verify_signature(c->signature, pk, digest, &sigalg);
++ digestlen = digest_certinfo(cert, ncert, digestalg[c->signature_alg], digest);
++ if(digestlen <= 0){++ freecert(c);
++ return "cannot decode certinfo";
++ }
++ e = X509rsaverifydigest(c->signature->data, c->signature->len, digest, digestlen, pk);
+ freecert(c);
+ return e;
+ }
+@@ -2326,25 +2432,50 @@
+ mkbigint(mpint *p)
+ {+ Elem e;
+- uchar *buf;
+- int buflen;
+
+ e.tag.class = Universal;
+ e.tag.num = INTEGER;
+ e.val.tag = VBigInt;
+- buflen = mptobe(p, nil, 0, &buf);
+- e.val.u.bigintval = makebytes(buf, buflen);
+- free(buf);
++ e.val.u.bigintval = newbytes((mpsignif(p)+8)/8);
++ if(p->sign < 0){++ mpint *s = mpnew(e.val.u.bigintval->len*8+1);
++ mpleft(mpone, e.val.u.bigintval->len*8, s);
++ mpadd(p, s, s);
++ mptober(s, e.val.u.bigintval->data, e.val.u.bigintval->len);
++ mpfree(s);
++ } else {++ mptober(p, e.val.u.bigintval->data, e.val.u.bigintval->len);
++ }
+ return e;
+ }
+
++static int
++printable(char *s)
++{++ int c;
++
++ while((c = (uchar)*s++) != 0){++ if((c >= 'a' && c <= 'z')
++ || (c >= 'A' && c <= 'Z')
++ || (c >= '0' && c <= '9')
++ || strchr("'=()+,-./:? ", c) != nil)++ continue;
++ return 0;
++ }
++ return 1;
++}
++
++#define DirectoryString 0
++
+ static Elem
+-mkstring(char *s)
++mkstring(char *s, int t)
+ {+ Elem e;
+
++ if(t == DirectoryString)
++ t = printable(s) ? PrintableString : UTF8String;
+ e.tag.class = Universal;
+- e.tag.num = IA5String;
++ e.tag.num = t;
+ e.val.tag = VString;
+ e.val.u.stringval = estrdup(s);
+ return e;
+@@ -2384,7 +2515,7 @@
+ e.tag.class = Universal;
+ e.tag.num = UTCTime;
+ e.val.tag = VString;
+- snprint(utc, 50, "%.2d%.2d%.2d%.2d%.2d%.2dZ",
++ snprint(utc, sizeof(utc), "%.2d%.2d%.2d%.2d%.2d%.2dZ",
+ tm->year % 100, tm->mon+1, tm->mday, tm->hour, tm->min, tm->sec);
+ e.val.u.stringval = estrdup(utc);
+ return e;
+@@ -2433,24 +2564,26 @@
+ }
+
+ typedef struct Ints7pref {+- int len;
+- int data[7];
++ int len;
++ int data[7];
+ char prefix[4];
++ int stype;
+ } Ints7pref;
+ Ints7pref DN_oid[] = {+- {4, 2, 5, 4, 6, 0, 0, 0, "C="},+- {4, 2, 5, 4, 8, 0, 0, 0, "ST="},+- {4, 2, 5, 4, 7, 0, 0, 0, "L="},+- {4, 2, 5, 4, 10, 0, 0, 0, "O="},+- {4, 2, 5, 4, 11, 0, 0, 0, "OU="},+- {4, 2, 5, 4, 3, 0, 0, 0, "CN="},+- {7, 1,2,840,113549,1,9,1, "E="},++ {4, 2, 5, 4, 6, 0, 0, 0, "C=", PrintableString},++ {4, 2, 5, 4, 8, 0, 0, 0, "ST=",DirectoryString},++ {4, 2, 5, 4, 7, 0, 0, 0, "L=", DirectoryString},++ {4, 2, 5, 4, 10, 0, 0, 0, "O=", DirectoryString},++ {4, 2, 5, 4, 11, 0, 0, 0, "OU=",DirectoryString},++ {4, 2, 5, 4, 3, 0, 0, 0, "CN=",DirectoryString},++ {7, 1,2,840,113549,1,9,1, "E=", IA5String},++ {7, 0,9,2342,19200300,100,1,25, "DC=",IA5String},+ };
+
+ static Elem
+ mkname(Ints7pref *oid, char *subj)
+ {+- return mkset(mkel(mkseq(mkel(mkoid((Ints*)oid), mkel(mkstring(subj), nil))), nil));
++ return mkset(mkel(mkseq(mkel(mkoid((Ints*)oid), mkel(mkstring(subj, oid->stype), nil))), nil));
+ }
+
+ static Elem
+@@ -2474,167 +2607,388 @@
+ return mkseq(el);
+ }
+
+-uchar*
+-RSApubtoasn1(RSApub *pub, int *keylen)
++/*
++ * DigestInfo ::= SEQUENCE {++ * digestAlgorithm AlgorithmIdentifier,
++ * digest OCTET STRING }
++ */
++static Bytes*
++encode_digest(DigestAlg *da, uchar *digest)
+ {+- Elem pubkey;
+- Bytes *pkbytes;
+- uchar *key;
++ Bytes *b = nil;
++ Elem e = mkseq(
++ mkel(mkalg(da->alg),
++ mkel(mkoctet(digest, da->len),
++ nil)));
++ encode(e, &b);
++ freevalfields(&e.val);
++ return b;
++}
+
+- key = nil;
+- pubkey = mkseq(mkel(mkbigint(pub->n),mkel(mkint(mptoi(pub->ek)),nil)));
+- if(encode(pubkey, &pkbytes) != ASN_OK)
+- goto errret;
+- freevalfields(&pubkey.val);
+- pubkey = mkseq(
+- mkel(mkalg(ALG_rsaEncryption),
+- mkel(mkbits(pkbytes->data, pkbytes->len),
++int
++asn1encodedigest(DigestState* (*fun)(uchar*, ulong, uchar*, DigestState*), uchar *digest, uchar *buf, int len)
++{++ Bytes *bytes;
++ DigestAlg **dp;
++
++ for(dp = digestalg; *dp != nil; dp++){++ if((*dp)->fun != fun)
++ continue;
++ bytes = encode_digest(*dp, digest);
++ if(bytes == nil)
++ break;
++ if(bytes->len > len){++ freebytes(bytes);
++ break;
++ }
++ len = bytes->len;
++ memmove(buf, bytes->data, len);
++ freebytes(bytes);
++ return len;
++ }
++ return -1;
++}
++
++static Elem
++mkcont(Elem e, int num)
++{++ e = mkseq(mkel(e, nil));
++ e.tag.class = Context;
++ e.tag.num = num;
++ return e;
++}
++
++static Elem
++mkaltname(char *s)
++{++ Elem e;
++ int i;
++
++ for(i=0; i<nelem(DN_oid); i++){++ if(strstr(s, DN_oid[i].prefix) != nil)
++ return mkcont(mkDN(s), 4); /* DN */
++ }
++ e = mkstring(s, IA5String);
++ e.tag.class = Context;
++ e.tag.num = strchr(s, '@') != nil ? 1 : 2; /* email : DNS */
++ return e;
++}
++
++static Elist*
++mkaltnames(char *alts)
++{++ Elist *el;
++ char *s, *p;
++
++ if(alts == nil)
++ return nil;
++
++ el = nil;
++ alts = estrdup(alts);
++ for(s = alts; s != nil; s = p){++ while(*s == ' ')
++ s++;
++ if(*s == '\0')
++ break;
++ if((p = strchr(s, ',')) != nil)
++ *p++ = 0;
++ el = mkel(mkaltname(s), el);
++ }
++ free(alts);
++ return el;
++}
++
++static Elist*
++mkextel(Elem e, Ints *oid, Elist *el)
++{++ Bytes *b = nil;
++
++ if(encode(e, &b) == ASN_OK){++ el = mkel(mkseq(
++ mkel(mkoid(oid),
++ mkel(mkoctet(b->data, b->len),
++ nil))), el);
++ freebytes(b);
++ }
++ freevalfields(&e.val);
++ return el;
++}
++
++static Ints15 oid_subjectAltName = {4, 2, 5, 29, 17 };++static Ints15 oid_extensionRequest = { 7, 1, 2, 840, 113549, 1, 9, 14};++
++static Elist*
++mkextensions(char *alts, int req)
++{++ Elist *sl, *xl;
++
++ xl = nil;
++ if((sl = mkaltnames(alts)) != nil)
++ xl = mkextel(mkseq(sl), (Ints*)&oid_subjectAltName, xl);
++ if(xl != nil){++ if(req) return mkel(mkcont(mkseq(
++ mkel(mkoid((Ints*)&oid_extensionRequest),
++ mkel(mkset(mkel(mkseq(xl), nil)), nil))), 0), nil);
++ return mkel(mkcont(mkseq(xl), 3), nil);
++ }
++ return nil;
++}
++
++static char*
++splitalts(char *s)
++{++ int q;
++
++ for(q = 0; *s != '\0'; s++){++ if(*s == '\'')
++ q ^= 1;
++ else if(q == 0 && *s == ','){++ *s++ = 0;
++ return s;
++ }
++ }
++ return nil;
++}
++
++static Bytes*
++encode_rsapubkey(RSApub *pk)
++{++ Bytes *b = nil;
++ Elem e = mkseq(
++ mkel(mkbigint(pk->n),
++ mkel(mpsignif(pk->ek)<32 ? mkint(mptoi(pk->ek)) : mkbigint(pk->ek),
+ nil)));
+- freebytes(pkbytes);
+- if(encode(pubkey, &pkbytes) != ASN_OK)
+- goto errret;
+- if(keylen)
+- *keylen = pkbytes->len;
+- key = malloc(pkbytes->len);
+- memmove(key, pkbytes->data, pkbytes->len);
+- free(pkbytes);
+-errret:
+- freevalfields(&pubkey.val);
+- return key;
++ encode(e, &b);
++ freevalfields(&e.val);
++ return b;
++}
++
++static Bytes*
++encode_rsaprivkey(RSApriv *k)
++{++ Bytes *b = nil;
++ RSApub *pk = &k->pub;
++ Elem e = mkseq(
++ mkel(mkint(0),
++ mkel(mkbigint(pk->n),
++ mkel(mpsignif(pk->ek)<32 ? mkint(mptoi(pk->ek)) : mkbigint(pk->ek),
++ mkel(mkbigint(k->dk),
++ mkel(mkbigint(k->p),
++ mkel(mkbigint(k->q),
++ mkel(mkbigint(k->kp),
++ mkel(mkbigint(k->kq),
++ mkel(mkbigint(k->c2),
++ nil))))))))));
++ encode(e, &b);
++ freevalfields(&e.val);
++ return b;
++}
++
++int
++asn1encodeRSApub(RSApub *pk, uchar *buf, int len)
++{++ Bytes *b = encode_rsapubkey(pk);
++ if(b == nil)
++ return -1;
++ if(b->len > len){++ freebytes(b);
++ werrstr("buffer too small");++ return -1;
++ }
++ memmove(buf, b->data, len = b->len);
++ freebytes(b);
++ return len;
++}
++
++int
++asn1encodeRSApriv(RSApriv *k, uchar *buf, int len)
++{++ Bytes *b;
++ b = encode_rsaprivkey(k);
++ if(b == nil)
++ return -1;
++ if(b->len > len){++ freebytes(b);
++ werrstr("buffer too small");++ return -1;
++ }
++ memmove(buf, b->data, len = b->len);
++ freebytes(b);
++ return len;
+ }
+
+ uchar*
+-X509gen(RSApriv *priv, char *subj, ulong valid[2], int *certlen)
++X509rsagen(RSApriv *priv, char *subj, ulong valid[2], int *certlen)
+ {+- int serial = 0;
++ int serial = 0, sigalg = ALG_sha256WithRSAEncryption;
+ uchar *cert = nil;
+- RSApub *pk = rsaprivtopub(priv);
+ Bytes *certbytes, *pkbytes, *certinfobytes, *sigbytes;
+- Elem e, certinfo, issuer, subject, pubkey, validity, sig;
+- uchar digest[MD5dlen], *buf;
++ Elem e, certinfo;
++ DigestAlg *da;
++ uchar digest[MAXdlen], *buf;
+ int buflen;
+ mpint *pkcs1;
++ char *alts;
+
+- e.val.tag = VInt; /* so freevalfields at errret is no-op */
+- issuer = mkDN(subj);
+- subject = mkDN(subj);
+- pubkey = mkseq(mkel(mkbigint(pk->n),mkel(mkint(mptoi(pk->ek)),nil)));
+- if(encode(pubkey, &pkbytes) != ASN_OK)
+- goto errret;
+- freevalfields(&pubkey.val);
+- pubkey = mkseq(
+- mkel(mkalg(ALG_rsaEncryption),
+- mkel(mkbits(pkbytes->data, pkbytes->len),
+- nil)));
+- freebytes(pkbytes);
+- validity = mkseq(
+- mkel(mkutc(valid[0]),
+- mkel(mkutc(valid[1]),
+- nil)));
+- certinfo = mkseq(
++ if((pkbytes = encode_rsapubkey(&priv->pub)) == nil)
++ return nil;
++
++ subj = estrdup(subj);
++ alts = splitalts(subj);
++
++ e = mkseq(
++ mkel(mkcont(mkint(2), 0),
+ mkel(mkint(serial),
+- mkel(mkalg(ALG_md5WithRSAEncryption),
+- mkel(issuer,
+- mkel(validity,
+- mkel(subject,
+- mkel(pubkey,
+- nil)))))));
+- if(encode(certinfo, &certinfobytes) != ASN_OK)
++ mkel(mkalg(sigalg),
++ mkel(mkDN(subj),
++ mkel(mkseq(
++ mkel(mkutc(valid[0]),
++ mkel(mkutc(valid[1]),
++ nil))),
++ mkel(mkDN(subj),
++ mkel(mkseq(
++ mkel(mkalg(ALG_rsaEncryption),
++ mkel(mkbits(pkbytes->data, pkbytes->len),
++ nil))),
++ mkextensions(alts, 0)))))))));
++ freebytes(pkbytes);
++ if(encode(e, &certinfobytes) != ASN_OK)
+ goto errret;
+- md5(certinfobytes->data, certinfobytes->len, digest, 0);
++
++ da = digestalg[sigalg];
++ (*da->fun)(certinfobytes->data, certinfobytes->len, digest, 0);
+ freebytes(certinfobytes);
+- sig = mkseq(
+- mkel(mkalg(ALG_md5),
+- mkel(mkoctet(digest, MD5dlen),
+- nil)));
+- if(encode(sig, &sigbytes) != ASN_OK)
++ certinfo = e;
++
++ sigbytes = encode_digest(da, digest);
++ if(sigbytes == nil)
+ goto errret;
+- pkcs1 = pkcs1pad(sigbytes, pk->n);
++ pkcs1 = pkcs1padbuf(sigbytes->data, sigbytes->len, priv->pub.n, 1);
+ freebytes(sigbytes);
++ if(pkcs1 == nil)
++ goto errret;
++
+ rsadecrypt(priv, pkcs1, pkcs1);
+ buflen = mptobe(pkcs1, nil, 0, &buf);
+ mpfree(pkcs1);
+ e = mkseq(
+ mkel(certinfo,
+- mkel(mkalg(ALG_md5WithRSAEncryption),
++ mkel(mkalg(sigalg),
+ mkel(mkbits(buf, buflen),
+ nil))));
+ free(buf);
+ if(encode(e, &certbytes) != ASN_OK)
+ goto errret;
+- if(certlen)
++ if(certlen != nil)
+ *certlen = certbytes->len;
+- cert = certbytes->data;
++ cert = (uchar*)certbytes;
++ memmove(cert, certbytes->data, certbytes->len);
+ errret:
+ freevalfields(&e.val);
++ free(subj);
+ return cert;
+ }
+
+ uchar*
+-X509req(RSApriv *priv, char *subj, int *certlen)
++X509rsareq(RSApriv *priv, char *subj, int *certlen)
+ {+ /* RFC 2314, PKCS #10 Certification Request Syntax */
+- int version = 0;
++ int version = 0, sigalg = ALG_sha256WithRSAEncryption;
+ uchar *cert = nil;
+- RSApub *pk = rsaprivtopub(priv);
+ Bytes *certbytes, *pkbytes, *certinfobytes, *sigbytes;
+- Elem e, certinfo, subject, pubkey, sig;
+- uchar digest[MD5dlen], *buf;
++ Elem e, certinfo;
++ DigestAlg *da;
++ uchar digest[MAXdlen], *buf;
+ int buflen;
+ mpint *pkcs1;
++ char *alts;
+
+- e.val.tag = VInt; /* so freevalfields at errret is no-op */
+- subject = mkDN(subj);
+- pubkey = mkseq(mkel(mkbigint(pk->n),mkel(mkint(mptoi(pk->ek)),nil)));
+- if(encode(pubkey, &pkbytes) != ASN_OK)
+- goto errret;
+- freevalfields(&pubkey.val);
+- pubkey = mkseq(
+- mkel(mkalg(ALG_rsaEncryption),
+- mkel(mkbits(pkbytes->data, pkbytes->len),
+- nil)));
+- freebytes(pkbytes);
+- certinfo = mkseq(
++ if((pkbytes = encode_rsapubkey(&priv->pub)) == nil)
++ return nil;
++
++ subj = estrdup(subj);
++ alts = splitalts(subj);
++
++ e = mkseq(
+ mkel(mkint(version),
+- mkel(subject,
+- mkel(pubkey,
+- nil))));
+- if(encode(certinfo, &certinfobytes) != ASN_OK)
++ mkel(mkDN(subj),
++ mkel(mkseq(
++ mkel(mkalg(ALG_rsaEncryption),
++ mkel(mkbits(pkbytes->data, pkbytes->len),
++ nil))),
++ mkextensions(alts, 1)))));
++ freebytes(pkbytes);
++ if(encode(e, &certinfobytes) != ASN_OK)
+ goto errret;
+- md5(certinfobytes->data, certinfobytes->len, digest, 0);
++ da = digestalg[sigalg];
++ (*da->fun)(certinfobytes->data, certinfobytes->len, digest, 0);
+ freebytes(certinfobytes);
+- sig = mkseq(
+- mkel(mkalg(ALG_md5),
+- mkel(mkoctet(digest, MD5dlen),
+- nil)));
+- if(encode(sig, &sigbytes) != ASN_OK)
++ certinfo = e;
++
++ sigbytes = encode_digest(da, digest);
++ if(sigbytes == nil)
+ goto errret;
+- pkcs1 = pkcs1pad(sigbytes, pk->n);
++ pkcs1 = pkcs1padbuf(sigbytes->data, sigbytes->len, priv->pub.n, 1);
+ freebytes(sigbytes);
++ if(pkcs1 == nil)
++ goto errret;
++
+ rsadecrypt(priv, pkcs1, pkcs1);
+ buflen = mptobe(pkcs1, nil, 0, &buf);
+ mpfree(pkcs1);
+ e = mkseq(
+ mkel(certinfo,
+- mkel(mkalg(ALG_md5),
++ mkel(mkalg(sigalg),
+ mkel(mkbits(buf, buflen),
+ nil))));
+ free(buf);
+ if(encode(e, &certbytes) != ASN_OK)
+ goto errret;
+- if(certlen)
++ if(certlen != nil)
+ *certlen = certbytes->len;
+- cert = certbytes->data;
++ cert = (uchar*)certbytes;
++ memmove(cert, certbytes->data, certbytes->len);
+ errret:
+ freevalfields(&e.val);
++ free(subj);
+ return cert;
+ }
+
++static void
++digestSPKI(int alg, uchar *pubkey, int npubkey, DigestState* (*fun)(uchar*, ulong, uchar*, DigestState*), uchar *digest)
++{++ Bytes *b = nil;
++ Elem e = mkseq(mkel(mkalg(alg), mkel(mkbits(pubkey, npubkey), nil)));
++ encode(e, &b);
++ freevalfields(&e.val);
++ (*fun)(b->data, b->len, digest, nil);
++ freebytes(b);
++}
++
++int
++X509digestSPKI(uchar *cert, int ncert, DigestState* (*fun)(uchar*, ulong, uchar*, DigestState*), uchar *digest)
++{++ CertX509 *c;
++
++ c = decode_cert(cert, ncert);
++ if(c == nil){++ werrstr("cannot decode cert");++ return -1;
++ }
++ digestSPKI(c->publickey_alg, c->publickey->data, c->publickey->len, fun, digest);
++ freecert(c);
++ return 0;
++}
++
+ static char*
+ tagdump(Tag tag)
+ {+- if(tag.class != Universal)
+- return smprint("class%d,num%d", tag.class, tag.num);++ static char buf[32];
++
++ if(tag.class != Universal){++ snprint(buf, sizeof(buf), "class%d,num%d", tag.class, tag.num);
++ return buf;
++ }
+ switch(tag.num){+ case BOOLEAN: return "BOOLEAN";
+ case INTEGER: return "INTEGER";
+@@ -2663,7 +3017,8 @@
+ case UniversalString: return "UniversalString";
+ case BMPString: return "BMPString";
+ default:
+- return smprint("Universal,num%d", tag.num);++ snprint(buf, sizeof(buf), "Universal,num%d", tag.num);
++ return buf;
+ }
+ }
+
+@@ -2683,10 +3038,7 @@
+ case VBigInt: print("BigInt[%d] %.2x%.2x...",v.u.bigintval->len,v.u.bigintval->data[0],v.u.bigintval->data[1]); break;+ case VReal: print("Real..."); break;+ case VOther: print("Other..."); break;+- case VBitString: print("BitString");+- for(i = 0; i<v.u.bitstringval->len; i++)
+- print(" %02x", v.u.bitstringval->data[i]);+- break;
++ case VBitString: print("BitString[%d]...", v.u.bitstringval->len*8 - v.u.bitstringval->unusedbits); break;+ case VNull: print("Null"); break;+ case VEOC: print("EOC..."); break;+ case VObjId: print("ObjId");+@@ -2722,20 +3074,24 @@
+ X509dump(uchar *cert, int ncert)
+ {+ char *e;
+- Bytes *b;
+ CertX509 *c;
+- RSApub *pk;
+- uchar digest[SHA1dlen];
+- Elem *sigalg;
++ RSApub *rsapub;
++ ECpub *ecpub;
++ ECdomain ecdom;
++ int digestlen;
++ uchar digest[MAXdlen];
+
+ print("begin X509dump\n");+- b = makebytes(cert, ncert);
+- c = decode_cert(b);
+- if(c != nil)
+- digest_certinfo(b, digestalg[c->signature_alg], digest);
+- freebytes(b);
++ c = decode_cert(cert, ncert);
+ if(c == nil){+- print("cannot decode cert");++ print("cannot decode cert\n");++ return;
++ }
++
++ digestlen = digest_certinfo(cert, ncert, digestalg[c->signature_alg], digest);
++ if(digestlen <= 0){++ freecert(c);
++ print("cannot decode certinfo\n");+ return;
+ }
+
+@@ -2743,20 +3099,47 @@
+ print("issuer %s\n", c->issuer);+ print("validity %s %s\n", c->validity_start, c->validity_end);+ print("subject %s\n", c->subject);+- pk = decode_rsapubkey(c->publickey);
+- print("pubkey e=%B n(%d)=%B\n", pk->ek, mpsignif(pk->n), pk->n);+-
+- print("sigalg=%d digest=%.*H\n", c->signature_alg, MD5dlen, digest);+- e = verify_signature(c->signature, pk, digest, &sigalg);
+- if(e==nil){+- e = "nil (meaning ok)";
+- print("sigalg=\n");+- if(sigalg)
+- edump(*sigalg);
++ print("sigalg=%d digest=%.*H\n", c->signature_alg, digestlen, digest);++ print("publickey_alg=%d pubkey[%d] %.*H\n", c->publickey_alg, c->publickey->len,++ c->publickey->len, c->publickey->data);
++
++ switch(c->publickey_alg){++ case ALG_rsaEncryption:
++ rsapub = asn1toRSApub(c->publickey->data, c->publickey->len);
++ if(rsapub != nil){++ print("rsa pubkey e=%B n(%d)=%B\n", rsapub->ek, mpsignif(rsapub->n), rsapub->n);++ e = X509rsaverifydigest(c->signature->data, c->signature->len,
++ digest, digestlen, rsapub);
++ if(e==nil)
++ e = "nil (meaning ok)";
++ print("self-signed X509rsaverifydigest returns: %s\n", e);++ rsapubfree(rsapub);
++ }
++ break;
++ case ALG_ecPublicKey:
++ ecdominit(&ecdom, namedcurves[c->curve]);
++ ecpub = ecdecodepub(&ecdom, c->publickey->data, c->publickey->len);
++ if(ecpub != nil){++ e = X509ecdsaverifydigest(c->signature->data, c->signature->len,
++ digest, digestlen, &ecdom, ecpub);
++ if(e==nil)
++ e = "nil (meaning ok)";
++ print("self-signed X509ecdsaverifydigest returns: %s\n", e);++ ecpubfree(ecpub);
++ }
++ ecdomfree(&ecdom);
++ break;
+ }
+- print("self-signed verify_signature returns: %s\n", e);+
+- rsapubfree(pk);
++ digestSPKI(c->publickey_alg, c->publickey->data, c->publickey->len, sha2_256, digest);
++ print("publickey_thumbprint sha256=%.*[\n", SHA2_256dlen, digest);++
++ sha2_256(cert, ncert, digest, nil);
++ print("cert_thumbprint sha256=%.*[\n", SHA2_256dlen, digest);++
++ sha1(cert, ncert, digest, nil);
++ print("cert_thumbprint sha1=%.*H\n", SHA1dlen, digest);++
+ freecert(c);
+ print("end X509dump\n");+ }
+--- sys/src/cmd/auth/rsa2csr.c Tue Mar 25 18:56:03 2003
++++ /sys/src/cmd/auth/rsa2csr.c Sat Jun 26 21:21:40 2021
+@@ -34,7 +34,7 @@
+ if((key = getkey(argc-1, argv+1, 1, nil)) == nil)
+ sysfatal("%r");+
+- cert = X509req(key, argv[0], &len);
++ cert = X509rsareq(key, argv[0], &len);
+ if(cert == nil)
+ sysfatal("X509req: %r");+
+--- sys/src/cmd/auth/rsa2x509.c Wed Jun 18 17:43:00 2008
++++ /sys/src/cmd/auth/rsa2x509.c Sat Jun 26 21:21:40 2021
+@@ -41,7 +41,7 @@
+ if((key = getkey(argc-1, argv+1, 1, nil)) == nil)
+ sysfatal("%r");+
+- cert = X509gen(key, argv[0], valid, &len);
++ cert = X509rsagen(key, argv[0], valid, &len);
+ if(cert == nil)
+ sysfatal("X509gen: %r");+
+--- sys/src/cmd/tlsclient.c Tue Jun 18 05:39:09 2002
++++ /sys/src/cmd/tlsclient.c Sat Jun 26 21:21:40 2021
+@@ -2,11 +2,16 @@
+ #include <libc.h>
+ #include <mp.h>
+ #include <libsec.h>
++#include <auth.h>
++
++int debug, auth, dialfile;
++char *keyspec = "";
++char *servername, *file, *filex, *ccert, *dumpcert;
+
+ void
+ usage(void)
+ {+- fprint(2, "usage: tlsclient [-t /sys/lib/tls/xxx] [-x /sys/lib/tls/xxx.exclude] dialstring\n");
++ fprint(2, "usage: tlsclient [-D] [-a [-k keyspec] ] [-c clientcert.pem] [-d servercert] [-t /sys/lib/tls/xxx] [-x /sys/lib/tls/xxx.exclude] [-n servername] [-o] dialstring [cmd [args...]]\n");
+ exits("usage");+ }
+
+@@ -21,65 +26,140 @@
+ break;
+ }
+
++static int
++reporter(char *fmt, ...)
++{++ va_list ap;
++
++ va_start(ap, fmt);
++ fprint(2, "%s: tls reports ", argv0);
++ vfprint(2, fmt, ap);
++ fprint(2, "\n");
++
++ va_end(ap);
++ return 0;
++}
++
+ void
+ main(int argc, char **argv)
+ {+- int fd, netfd;
+- uchar digest[20];
+- TLSconn conn;
+- char *addr, *file, *filex;
++ int fd, dfd;
++ char *addr;
++ TLSconn *conn;
+ Thumbprint *thumb;
++ AuthInfo *ai = nil;
++
++ fmtinstall('[', encodefmt);++ fmtinstall('H', encodefmt);+
+- file = nil;
+- filex = nil;
+- thumb = nil;
+ ARGBEGIN{++ case 'D':
++ debug++;
++ break;
++ case 'a':
++ auth++;
++ break;
++ case 'k':
++ keyspec = EARGF(usage());
++ break;
+ case 't':
+ file = EARGF(usage());
+ break;
+ case 'x':
+ filex = EARGF(usage());
+ break;
++ case 'c':
++ ccert = EARGF(usage());
++ break;
++ case 'd':
++ dumpcert = EARGF(usage());
++ break;
++ case 'n':
++ servername = EARGF(usage());
++ break;
++ case 'o':
++ dialfile = 1;
++ break;
+ default:
+ usage();
+ }ARGEND
+
+- if(argc != 1)
++ if(argc < 1)
+ usage();
+
+ if(filex && !file)
+ sysfatal("specifying -x without -t is useless");++
+ if(file){+- thumb = initThumbprints(file, filex);
++ thumb = initThumbprints(file, filex, "x509");
+ if(thumb == nil)
+ sysfatal("initThumbprints: %r");+- }
++ } else
++ thumb = nil;
+
+- addr = argv[0];
+- if((netfd = dial(addr, 0, 0, 0)) < 0)
++ addr = *argv++;
++ if((fd = dialfile? open(addr, ORDWR): dial(addr, 0, 0, 0)) < 0)
+ sysfatal("dial %s: %r", addr);+
+- memset(&conn, 0, sizeof conn);
+- fd = tlsClient(netfd, &conn);
++ conn = (TLSconn*)mallocz(sizeof *conn, 1);
++ conn->serverName = servername;
++ if(ccert){++ conn->cert = readcert(ccert, &conn->certlen);
++ if(conn->cert == nil)
++ sysfatal("readcert: %r");++ }
++
++ if(auth){++ ai = auth_proxy(fd, auth_getkey, "proto=p9any role=client %s", keyspec);
++ if(ai == nil)
++ sysfatal("auth_proxy: %r");++
++ conn->pskID = "p9secret";
++ conn->psk = ai->secret;
++ conn->psklen = ai->nsecret;
++ }
++
++ if(debug)
++ conn->trace = reporter;
++
++ fd = tlsClient(fd, conn);
+ if(fd < 0)
+ sysfatal("tlsclient: %r");++
++ if(dumpcert){++ if((dfd = create(dumpcert, OWRITE, 0666)) < 0)
++ sysfatal("create: %r");++ if(conn->cert != nil)
++ write(dfd, conn->cert, conn->certlen);
++ write(dfd, "", 0);
++ close(dfd);
++ }
++
+ if(thumb){+- if(conn.cert==nil || conn.certlen<=0)
+- sysfatal("server did not provide TLS certificate");+- sha1(conn.cert, conn.certlen, digest, nil);
+- if(!okThumbprint(digest, thumb)){+- fmtinstall('H', encodefmt);+- sysfatal("server certificate %.*H not recognized", SHA1dlen, digest);+- }
++ if(!okCertificate(conn->cert, conn->certlen, thumb))
++ sysfatal("cert for %s not recognized: %r", servername ? servername : addr);++ freeThumbprints(thumb);
++ }
++
++ free(conn->cert);
++ free(conn->sessionID);
++ free(conn);
++ if(ai != nil)
++ auth_freeAI(ai);
++
++ if(*argv){++ dup(fd, 0);
++ dup(fd, 1);
++ if(fd > 1)
++ close(fd);
++ exec(*argv, argv);
++ sysfatal("exec: %r");+ }
+- free(conn.cert);
+- close(netfd);
+
+ rfork(RFNOTEG);
+ switch(fork()){+ case -1:
+- fprint(2, "%s: fork: %r\n", argv0);
+- exits("dial");++ sysfatal("fork: %r");+ case 0:
+ xfer(0, fd);
+ break;
+--- sys/src/cmd/upas/fs/imap4.c Thu Mar 29 00:14:53 2012
++++ /sys/src/cmd/upas/fs/imap4.c Sat Jun 26 21:21:40 2021
+@@ -416,7 +416,7 @@
+ * don't do this any more. our local it people are rotating their
+ * certificates faster than we can keep up.
+ */
+- if(0 && (!imap->thumb || !okThumbprint(digest, imap->thumb))){++ if(0 && (!imap->thumb || !okThumbprint(digest, SHA1dlen, imap->thumb))){+ close(sfd);
+ werrstr("server certificate %.*H not recognized",+ SHA1dlen, digest);
+@@ -740,7 +740,7 @@
+ if(argc==1 && strcmp(argv[0], "thumbprint")==0){+ if(imap->thumb)
+ freeThumbprints(imap->thumb);
+- imap->thumb = initThumbprints("/sys/lib/tls/mail", "/sys/lib/tls/mail.exclude");++ imap->thumb = initThumbprints("/sys/lib/tls/mail", "/sys/lib/tls/mail.exclude", "x509");+ }
+ if(strcmp(argv[0], "refresh")==0){+ if(argc==1){+@@ -816,7 +816,7 @@
+ imap->mbox = "Inbox";
+ else
+ imap->mbox = f[4];
+- imap->thumb = initThumbprints("/sys/lib/tls/mail", "/sys/lib/tls/mail.exclude");++ imap->thumb = initThumbprints("/sys/lib/tls/mail", "/sys/lib/tls/mail.exclude", "x509");+
+ mb->aux = imap;
+ mb->sync = imap4sync;
+--- sys/src/cmd/upas/fs/pop3.c Thu Mar 29 00:14:53 2012
++++ /sys/src/cmd/upas/fs/pop3.c Sat Jun 26 21:21:40 2021
+@@ -134,7 +134,7 @@
+ * don't do this any more. our local it people are rotating their
+ * certificates faster than we can keep up.
+ */
+- if(0 && (!pop->thumb || !okThumbprint(digest, pop->thumb))){++ if(0 && (!pop->thumb || !okThumbprint(digest, SHA1dlen, pop->thumb))){+ fmtinstall('H', encodefmt);+ close(fd);
+ free(conn.cert);
+@@ -603,7 +603,7 @@
+ if(argc==1 && strcmp(argv[0], "thumbprint")==0){+ if(pop->thumb)
+ freeThumbprints(pop->thumb);
+- pop->thumb = initThumbprints("/sys/lib/tls/mail", "/sys/lib/tls/mail.exclude");++ pop->thumb = initThumbprints("/sys/lib/tls/mail", "/sys/lib/tls/mail.exclude", "x509");+ }
+ if(strcmp(argv[0], "refresh")==0){+ if(argc==1){+@@ -678,7 +678,7 @@
+ pop->needtls = poptls || apoptls;
+ pop->refreshtime = 60;
+ pop->notls = popnotls || apopnotls;
+- pop->thumb = initThumbprints("/sys/lib/tls/mail", "/sys/lib/tls/mail.exclude");++ pop->thumb = initThumbprints("/sys/lib/tls/mail", "/sys/lib/tls/mail.exclude", "x509");+
+ mb->aux = pop;
+ mb->sync = pop3sync;
+--- sys/src/cmd/upas/smtp/smtp.c Fri Nov 8 23:54:09 2013
++++ /sys/src/cmd/upas/smtp/smtp.c Sat Jun 26 21:21:40 2021
+@@ -327,7 +327,7 @@
+ uchar hash[SHA1dlen];
+
+ err = nil;
+- goodcerts = initThumbprints(smtpthumbs, smtpexclthumbs);
++ goodcerts = initThumbprints(smtpthumbs, smtpexclthumbs, "x509");
+ if (goodcerts == nil) {+ if (!okunksecure)
+ syslog(0, "smtp", "bad thumbprints in %s", smtpthumbs);
+@@ -336,7 +336,7 @@
+
+ /* compute sha1 hash of remote's certificate, see if we know it */
+ sha1(c->cert, c->certlen, hash, nil);
+- if (!okThumbprint(hash, goodcerts) && !okunksecure) {++ if (!okThumbprint(hash, SHA1dlen, goodcerts) && !okunksecure) {+ h = malloc(2*sizeof hash + 1);
+ if (h != nil) {+ enc16(h, 2*sizeof hash + 1, hash, sizeof hash);
+--- /dev/null Mon Jun 28 00:12:24 2021
++++ /sys/src/libmp/port/cnfield.c Sat Jun 26 21:21:40 2021
+@@ -0,0 +1,114 @@
++#include "os.h"
++#include <mp.h>
++#include "dat.h"
++
++/*
++ * fast reduction for crandall numbers of the form: 2^n - c
++ */
++
++enum {++ MAXDIG = 1024 / Dbits,
++};
++
++typedef struct CNfield CNfield;
++struct CNfield
++{++ Mfield;
++
++ mpint m[1];
++
++ int s;
++ mpdigit c;
++};
++
++static int
++cnreduce(Mfield *m, mpint *a, mpint *r)
++{++ mpdigit q[MAXDIG-1], t[MAXDIG], d;
++ CNfield *f = (CNfield*)m;
++ int qn, tn, k;
++
++ k = f->top;
++ if((a->top - k) >= MAXDIG)
++ return -1;
++
++ mpleft(a, f->s, r);
++ if(r->top <= k)
++ mpbits(r, (k+1)*Dbits);
++
++ /* q = hi(r) */
++ qn = r->top - k;
++ memmove(q, r->p+k, qn*Dbytes);
++
++ /* r = lo(r) */
++ r->top = k;
++ r->sign = 1;
++
++ do {++ /* t = q*c */
++ tn = qn+1;
++ memset(t, 0, tn*Dbytes);
++ mpvecdigmuladd(q, qn, f->c, t);
++
++ /* q = hi(t) */
++ qn = tn - k;
++ if(qn <= 0) qn = 0;
++ else memmove(q, t+k, qn*Dbytes);
++
++ /* r += lo(t) */
++ if(tn > k)
++ tn = k;
++ mpvecadd(r->p, k, t, tn, r->p);
++
++ /* if(r >= m) r -= m */
++ mpvecsub(r->p, k+1, f->m->p, k, t);
++ d = t[k];
++ for(tn = 0; tn < k; tn++)
++ r->p[tn] = (r->p[tn] & d) | (t[tn] & ~d);
++ } while(qn > 0);
++
++ if(f->s != 0)
++ mpright(r, f->s, r);
++ mpnorm(r);
++
++ return 0;
++}
++
++Mfield*
++cnfield(mpint *N)
++{++ mpint *M, *C;
++ CNfield *f;
++ mpdigit d;
++ int s;
++
++ if(N->top <= 2 || N->top >= MAXDIG)
++ return nil;
++ f = nil;
++ d = N->p[N->top-1];
++ for(s = 0; (d & (mpdigit)1<<Dbits-1) == 0; s++)
++ d <<= 1;
++ C = mpnew(0);
++ M = mpcopy(N);
++ mpleft(N, s, M);
++ mpleft(mpone, M->top*Dbits, C);
++ mpsub(C, M, C);
++ if(C->top != 1)
++ goto out;
++ f = mallocz(sizeof(CNfield) + M->top*sizeof(mpdigit), 1);
++ if(f == nil)
++ goto out;
++ f->s = s;
++ f->c = C->p[0];
++ f->m->size = M->top;
++ f->m->p = (mpdigit*)&f[1];
++ mpassign(M, f->m);
++ mpassign(N, f);
++ f->reduce = cnreduce;
++ f->flags |= MPfield;
++out:
++ mpfree(M);
++ mpfree(C);
++
++ return f;
++}
+--- /dev/null Mon Jun 28 00:12:24 2021
++++ /sys/src/libmp/port/gmfield.c Sat Jun 26 21:21:40 2021
+@@ -0,0 +1,173 @@
++#include "os.h"
++#include <mp.h>
++#include "dat.h"
++
++/*
++ * fast reduction for generalized mersenne numbers (GM)
++ * using a series of additions and subtractions.
++ */
++
++enum {++ MAXDIG = 1024/Dbits,
++};
++
++typedef struct GMfield GMfield;
++struct GMfield
++{++ Mfield;
++
++ mpint m2[1];
++
++ int nadd;
++ int nsub;
++ int indx[256];
++};
++
++static int
++gmreduce(Mfield *m, mpint *a, mpint *r)
++{++ GMfield *g = (GMfield*)m;
++ mpdigit d0, t[MAXDIG];
++ int i, j, d, *x;
++
++ if(mpmagcmp(a, g->m2) >= 0)
++ return -1;
++
++ if(a != r)
++ mpassign(a, r);
++
++ d = g->top;
++ mpbits(r, (d+1)*Dbits*2);
++ memmove(t+d, r->p+d, d*Dbytes);
++
++ r->sign = 1;
++ r->top = d;
++ r->p[d] = 0;
++
++ if(g->nsub > 0)
++ mpvecdigmuladd(g->p, d, g->nsub, r->p);
++
++ x = g->indx;
++ for(i=0; i<g->nadd; i++){++ t[0] = 0;
++ d0 = t[*x++];
++ for(j=1; j<d; j++)
++ t[j] = t[*x++];
++ t[0] = d0;
++
++ mpvecadd(r->p, d+1, t, d, r->p);
++ }
++
++ for(i=0; i<g->nsub; i++){++ t[0] = 0;
++ d0 = t[*x++];
++ for(j=1; j<d; j++)
++ t[j] = t[*x++];
++ t[0] = d0;
++
++ mpvecsub(r->p, d+1, t, d, r->p);
++ }
++
++ mpvecdigmulsub(g->p, d, r->p[d], r->p);
++ r->p[d] = 0;
++
++ mpvecsub(r->p, d+1, g->p, d, r->p+d+1);
++ d0 = r->p[2*d+1];
++ for(j=0; j<d; j++)
++ r->p[j] = (r->p[j] & d0) | (r->p[j+d+1] & ~d0);
++
++ mpnorm(r);
++
++ return 0;
++}
++
++Mfield*
++gmfield(mpint *N)
++{++ int i,j,d, s, *C, *X, *x, *e;
++ mpint *M, *T;
++ GMfield *g;
++
++ d = N->top;
++ if(d <= 2 || d > MAXDIG/2 || (mpsignif(N) % Dbits) != 0)
++ return nil;
++ g = nil;
++ T = mpnew(0);
++ M = mpcopy(N);
++ C = malloc(sizeof(int)*(d+1));
++ X = malloc(sizeof(int)*(d*d));
++ if(C == nil || X == nil)
++ goto out;
++
++ for(i=0; i<=d; i++){++ if((M->p[i]>>8) != 0 && (~M->p[i]>>8) != 0)
++ goto out;
++ j = M->p[i];
++ C[d - i] = -j;
++ itomp(j, T);
++ mpleft(T, i*Dbits, T);
++ mpsub(M, T, M);
++ }
++ for(j=0; j<d; j++)
++ X[j] = C[d-j];
++ for(i=1; i<d; i++){++ X[d*i] = X[d*(i-1) + d-1]*C[d];
++ for(j=1; j<d; j++)
++ X[d*i + j] = X[d*(i-1) + j-1] + X[d*(i-1) + d-1]*C[d-j];
++ }
++ g = mallocz(sizeof(GMfield) + (d+1)*sizeof(mpdigit)*2, 1);
++ if(g == nil)
++ goto out;
++
++ g->m2->p = (mpdigit*)&g[1];
++ g->m2->size = d*2+1;
++ mpmul(N, N, g->m2);
++ mpassign(N, g);
++ g->reduce = gmreduce;
++ g->flags |= MPfield;
++
++ s = 0;
++ x = g->indx;
++ e = x + nelem(g->indx) - d;
++ for(g->nadd=0; x <= e; x += d, g->nadd++){++ s = 0;
++ for(i=0; i<d; i++){++ for(j=0; j<d; j++){++ if(X[d*i+j] > 0 && x[j] == 0){++ X[d*i+j]--;
++ x[j] = d+i;
++ s = 1;
++ break;
++ }
++ }
++ }
++ if(s == 0)
++ break;
++ }
++ for(g->nsub=0; x <= e; x += d, g->nsub++){++ s = 0;
++ for(i=0; i<d; i++){++ for(j=0; j<d; j++){++ if(X[d*i+j] < 0 && x[j] == 0){++ X[d*i+j]++;
++ x[j] = d+i;
++ s = 1;
++ break;
++ }
++ }
++ }
++ if(s == 0)
++ break;
++ }
++ if(s != 0){++ mpfree(g);
++ g = nil;
++ }
++out:
++ free(C);
++ free(X);
++ mpfree(M);
++ mpfree(T);
++ return g;
++}
++
+--- sys/src/libmp/port/mkfile Thu May 27 15:20:04 2004
++++ /sys/src/libmp/port/mkfile Sat Jun 26 21:21:40 2021
+@@ -3,9 +3,13 @@
+ LIB=/$objtype/lib/libmp.a
+ FILES=\
+ mpaux\
++ cnfield\
++ gmfield\
++ mpfield\
+ mpfmt\
+ strtomp\
+ mptobe\
++ mptober\
+ mptole\
+ betomp\
+ letomp\
+@@ -14,6 +18,8 @@
+ mpcmp\
+ mpfactorial\
+ mpmul\
++ mpnrand\
++ mprand\
+ mpleft\
+ mpright\
+ mpvecadd\
+@@ -24,6 +30,7 @@
+ mpdiv\
+ mpexp\
+ mpmod\
++ mpmodop\
+ mpextendedgcd\
+ mpinvert\
+ mprand\
+--- sys/src/libmp/port/mpaux.c Mon Sep 19 12:19:11 2005
++++ /sys/src/libmp/port/mpaux.c Sat Jun 26 21:21:40 2021
+@@ -107,17 +107,24 @@
+ free(b);
+ }
+
+-void
++mpint*
+ mpnorm(mpint *b)
+ {+ int i;
+
++ if(b->flags & MPtimesafe){++ assert(b->sign == 1);
++ b->flags &= ~MPnorm;
++ return b;
++ }
+ for(i = b->top-1; i >= 0; i--)
+ if(b->p[i] != 0)
+ break;
+ b->top = i+1;
+ if(b->top == 0)
+ b->sign = 1;
++ b->flags |= MPnorm;
++ return b;
+ }
+
+ mpint*
+--- /dev/null Mon Jun 28 00:12:24 2021
++++ /sys/src/libmp/port/mpfield.c Sat Jun 26 21:21:40 2021
+@@ -0,0 +1,21 @@
++#include "os.h"
++#include <mp.h>
++#include "dat.h"
++
++mpint*
++mpfield(mpint *N)
++{++ Mfield *f;
++
++ if(N == nil || N->flags & (MPfield|MPstatic))
++ return N;
++ if((f = cnfield(N)) != nil)
++ goto Exchange;
++ if((f = gmfield(N)) != nil)
++ goto Exchange;
++ return N;
++Exchange:
++ setmalloctag(f, getcallerpc(&N));
++ mpfree(N);
++ return f;
++}
+--- /dev/null Mon Jun 28 00:12:24 2021
++++ /sys/src/libmp/port/mpmodop.c Sat Jun 26 21:21:40 2021
+@@ -0,0 +1,95 @@
++#include "os.h"
++#include <mp.h>
++
++/* operands need to have m->top+1 digits of space and satisfy 0 ≤ a ≤ m-1 */
++static mpint*
++modarg(mpint *a, mpint *m)
++{++ if(a->size <= m->top || a->sign < 0 || mpmagcmp(a, m) >= 0){++ a = mpcopy(a);
++ mpmod(a, m, a);
++ mpbits(a, Dbits*(m->top+1));
++ a->top = m->top;
++ } else if(a->top < m->top){++ memset(&a->p[a->top], 0, (m->top - a->top)*Dbytes);
++ }
++ return a;
++}
++
++void
++mpmodadd(mpint *b1, mpint *b2, mpint *m, mpint *sum)
++{++ mpint *a, *b;
++ mpdigit d;
++ int i, j;
++
++ a = modarg(b1, m);
++ b = modarg(b2, m);
++
++ sum->flags |= (a->flags | b->flags) & MPtimesafe;
++ mpbits(sum, Dbits*2*(m->top+1));
++
++ mpvecadd(a->p, m->top, b->p, m->top, sum->p);
++ mpvecsub(sum->p, m->top+1, m->p, m->top, sum->p+m->top+1);
++
++ d = sum->p[2*m->top+1];
++ for(i = 0, j = m->top+1; i < m->top; i++, j++)
++ sum->p[i] = (sum->p[i] & d) | (sum->p[j] & ~d);
++
++ sum->top = m->top;
++ sum->sign = 1;
++ mpnorm(sum);
++
++ if(a != b1)
++ mpfree(a);
++ if(b != b2)
++ mpfree(b);
++}
++
++void
++mpmodsub(mpint *b1, mpint *b2, mpint *m, mpint *diff)
++{++ mpint *a, *b;
++ mpdigit d;
++ int i, j;
++
++ a = modarg(b1, m);
++ b = modarg(b2, m);
++
++ diff->flags |= (a->flags | b->flags) & MPtimesafe;
++ mpbits(diff, Dbits*2*(m->top+1));
++
++ a->p[m->top] = 0;
++ mpvecsub(a->p, m->top+1, b->p, m->top, diff->p);
++ mpvecadd(diff->p, m->top, m->p, m->top, diff->p+m->top+1);
++
++ d = ~diff->p[m->top];
++ for(i = 0, j = m->top+1; i < m->top; i++, j++)
++ diff->p[i] = (diff->p[i] & d) | (diff->p[j] & ~d);
++
++ diff->top = m->top;
++ diff->sign = 1;
++ mpnorm(diff);
++
++ if(a != b1)
++ mpfree(a);
++ if(b != b2)
++ mpfree(b);
++}
++
++void
++mpmodmul(mpint *b1, mpint *b2, mpint *m, mpint *prod)
++{++ mpint *a, *b;
++
++ a = modarg(b1, m);
++ b = modarg(b2, m);
++
++ mpmul(a, b, prod);
++ mpmod(prod, m, prod);
++
++ if(a != b1)
++ mpfree(a);
++ if(b != b2)
++ mpfree(b);
++}
+--- /dev/null Mon Jun 28 00:12:24 2021
++++ /sys/src/libmp/port/mpnrand.c Sat Jun 26 21:21:40 2021
+@@ -0,0 +1,23 @@
++#include "os.h"
++#include <mp.h>
++#include "dat.h"
++
++/* return uniform random [0..n-1] */
++mpint*
++mpnrand(mpint *n, void (*gen)(uchar*, int), mpint *b)
++{++ int bits;
++
++ bits = mpsignif(n);
++ if(bits == 0)
++ abort();
++ if(b == nil){++ b = mpnew(bits);
++ setmalloctag(b, getcallerpc(&n));
++ }
++ do {++ mprand(bits, gen, b);
++ } while(mpmagcmp(b, n) >= 0);
++
++ return b;
++}
+--- sys/src/libmp/port/mprand.c Sun Apr 23 22:44:05 2000
++++ /sys/src/libmp/port/mprand.c Sat Jun 26 21:21:40 2021
+@@ -1,42 +1,25 @@
+ #include "os.h"
+ #include <mp.h>
+-#include <libsec.h>
+ #include "dat.h"
+
+ mpint*
+ mprand(int bits, void (*gen)(uchar*, int), mpint *b)
+ {+- int n, m;
+ mpdigit mask;
+- uchar *p;
+
+- n = DIGITS(bits);
+- if(b == nil)
++ if(b == nil){+ b = mpnew(bits);
+- else
++ setmalloctag(b, getcallerpc(&bits));
++ }else
+ mpbits(b, bits);
+
+- p = malloc(n*Dbytes);
+- if(p == nil)
+- return nil;
+- (*gen)(p, n*Dbytes);
+- betomp(p, n*Dbytes, b);
+- free(p);
++ b->sign = 1;
++ b->top = DIGITS(bits);
++ (*gen)((uchar*)b->p, b->top*Dbytes);
+
+- // make sure we don't give too many bits
+- m = bits%Dbits;
+- n--;
+- if(m > 0){+- mask = 1;
+- mask <<= m;
+- mask--;
+- b->p[n] &= mask;
+- }
++ mask = ((mpdigit)1 << (bits%Dbits))-1;
++ if(mask != 0)
++ b->p[b->top-1] &= mask;
+
+- for(; n >= 0; n--)
+- if(b->p[n] != 0)
+- break;
+- b->top = n+1;
+- b->sign = 1;
+- return b;
++ return mpnorm(b);
+ }
+--- /dev/null Mon Jun 28 00:12:24 2021
++++ /sys/src/libmp/port/mptober.c Sat Jun 26 21:21:40 2021
+@@ -0,0 +1,34 @@
++#include "os.h"
++#include <mp.h>
++#include "dat.h"
++
++void
++mptober(mpint *b, uchar *p, int n)
++{++ int i, j, m;
++ mpdigit x;
++
++ memset(p, 0, n);
++
++ p += n;
++ m = b->top*Dbytes;
++ if(m < n)
++ n = m;
++
++ i = 0;
++ while(n >= Dbytes){++ n -= Dbytes;
++ x = b->p[i++];
++ for(j = 0; j < Dbytes; j++){++ *--p = x;
++ x >>= 8;
++ }
++ }
++ if(n > 0){++ x = b->p[i];
++ for(j = 0; j < n; j++){++ *--p = x;
++ x >>= 8;
++ }
++ }
++}
+--- sys/src/libsec/port/aes.c Thu Jul 1 17:29:01 2021
++++ /sys/src/libsec/port/aes.c Mon Jun 28 16:58:00 2021
+@@ -36,446 +36,12 @@
+ typedef uchar u8;
+ typedef ulong u32;
+
+-#define FULL_UNROLL
+-#define const
+-
+-static const u32 Td0[256];
+-static const u32 Td1[256];
+-static const u32 Td2[256];
+-static const u32 Td3[256];
+-static const u8 Te4[256];
+-static uchar basekey[3][16] = {+- {+- 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+- 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+- },
+- {+- 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02,
+- 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02,
+- },
+- {+- 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03,
+- 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03,
+- },
+-};
+-
+-static int aes_setupEnc(ulong rk[/*4*(Nr + 1)*/], const uchar cipherKey[],
+- int keyBits);
+-static int aes_setupDec(ulong rk[/*4*(Nr + 1)*/], const uchar cipherKey[],
+- int keyBits);
+-static int aes_setup(ulong erk[/*4*(Nr + 1)*/], ulong drk[/*4*(Nr + 1)*/],
+- const uchar cipherKey[], int keyBits);
+-
+-void aes_encrypt(const ulong rk[], int Nr, const uchar pt[16], uchar ct[16]);
+-void aes_decrypt(const ulong rk[], int Nr, const uchar ct[16], uchar pt[16]);
+-
+-void
+-setupAESstate(AESstate *s, uchar key[], int keybytes, uchar *ivec)
+-{+- memset(s, 0, sizeof(*s));
+- if(keybytes > AESmaxkey)
+- keybytes = AESmaxkey;
+- memmove(s->key, key, keybytes);
+- s->keybytes = keybytes;
+- s->ctrsz = 4; /* default counter size from rfc3686 */
+- s->rounds = aes_setup(s->ekey, s->dkey, s->key, keybytes * 8);
+- if(ivec != nil)
+- memmove(s->ivec, ivec, AESbsize);
+- if(keybytes==16 || keybytes==24 || keybytes==32)
+- s->setup = 0xcafebabe;
+- /* else aes_setup was invalid */
+-}
+-
+-/*
+- * AES-XCBC-MAC-96 message authentication, per rfc3566.
+- */
+-
+-void
+-setupAESXCBCstate(AESstate *s) /* was setupmac96 */
+-{+- int i, j;
+- uint q[16 / sizeof(uint)];
+- uchar *p;
+-
+- assert(s->keybytes == 16);
+- for(i = 0; i < 3; i++)
+- aes_encrypt(s->ekey, s->rounds, basekey[i],
+- s->mackey + AESbsize*i);
+-
+- p = s->mackey;
+- memset(q, 0, AESbsize);
+-
+- /*
+- * put the in the right endian. once figured, probably better
+- * to use some fcall macros.
+- * keys for encryption in local endianness for the algorithm...
+- * only key1 is used for encryption;
+- * BUG!!: I think this is what I got wrong.
+- */
+- for(i = 0; i < 16 / sizeof(uint); i ++){+- for(j = 0; j < sizeof(uint); j++)
+- q[i] |= p[sizeof(uint)-j-1] << 8*j;
+- p += sizeof(uint);
+- }
+- memmove(s->mackey, q, 16);
+-}
+-
+-/*
+- * Not dealing with > 128-bit keys, not dealing with strange corner cases like
+- * empty message. Should be fine for AES-XCBC-MAC-96.
+- */
+-uchar*
+-aesXCBCmac(uchar *p, int len, AESstate *s)
+-{+- uchar *p2, *ip, *eip, *mackey;
+- uchar q[AESbsize];
+-
+- assert(s->keybytes == 16); /* more complicated for bigger */
+- memset(s->ivec, 0, AESbsize); /* E[0] is 0+ */
+-
+- for(; len > AESbsize; len -= AESbsize){+- memmove(q, p, AESbsize);
+- p2 = q;
+- ip = s->ivec;
+- for(eip = ip + AESbsize; ip < eip; )
+- *p2++ ^= *ip++;
+- aes_encrypt((ulong *)s->mackey, s->rounds, q, s->ivec);
+- p += AESbsize;
+- }
+- /* the last one */
+-
+- memmove(q, p, len);
+- p2 = q+len;
+- if(len == AESbsize)
+- mackey = s->mackey + AESbsize; /* k2 */
+- else{+- mackey = s->mackey+2*AESbsize; /* k3 */
+- *p2++ = 1 << 7; /* padding */
+- len = AESbsize - len - 1;
+- memset(p2, 0, len);
+- }
+-
+- ip = s->ivec;
+- p2 = q;
+- for(eip = ip + AESbsize; ip < eip; )
+- *p2++ ^= *ip++ ^ *mackey++;
+- aes_encrypt((ulong *)s->mackey, s->rounds, q, s->ivec);
+- return s->ivec; /* only the 12 bytes leftmost */
+-}
+-
+-/*
+- * Define by analogy with desCBCencrypt; AES modes are not standardized yet.
+- * Because of the way that non-multiple-of-16 buffers are handled,
+- * the decryptor must be fed buffers of the same size as the encryptor.
+- */
+-void
+-aesCBCencrypt(uchar *p, int len, AESstate *s)
+-{+- uchar *p2, *ip, *eip;
+- uchar q[AESbsize];
+-
+- for(; len >= AESbsize; len -= AESbsize){+- p2 = p;
+- ip = s->ivec;
+- for(eip = ip+AESbsize; ip < eip; )
+- *p2++ ^= *ip++;
+- aes_encrypt(s->ekey, s->rounds, p, q);
+- memmove(s->ivec, q, AESbsize);
+- memmove(p, q, AESbsize);
+- p += AESbsize;
+- }
+-
+- if(len > 0){+- ip = s->ivec;
+- aes_encrypt(s->ekey, s->rounds, ip, q);
+- memmove(s->ivec, q, AESbsize);
+- for(eip = ip+len; ip < eip; )
+- *p++ ^= *ip++;
+- }
+-}
+-
+-void
+-aesCBCdecrypt(uchar *p, int len, AESstate *s)
+-{+- uchar *ip, *eip, *tp;
+- uchar tmp[AESbsize], q[AESbsize];
+-
+- for(; len >= AESbsize; len -= AESbsize){+- memmove(tmp, p, AESbsize);
+- aes_decrypt(s->dkey, s->rounds, p, q);
+- memmove(p, q, AESbsize);
+- tp = tmp;
+- ip = s->ivec;
+- for(eip = ip+AESbsize; ip < eip; ){+- *p++ ^= *ip;
+- *ip++ = *tp++;
+- }
+- }
+-
+- if(len > 0){+- ip = s->ivec;
+- aes_encrypt(s->ekey, s->rounds, ip, q);
+- memmove(s->ivec, q, AESbsize);
+- for(eip = ip+len; ip < eip; )
+- *p++ ^= *ip++;
+- }
+-}
+-
+-/*
+- * AES-CTR mode, per rfc3686.
+- * CTRs could be precalculated for efficiency
+- * and there would also be less back and forth mp
+- */
+-
+-static void
+-incrementCTR(uchar *p, uint ctrsz)
+-{+- int len;
+- ulong c;
+- uchar *ctr;
+- mpint *mpctr, *mpctrsz;
+-
+- ctr = p + AESbsize - ctrsz;
+- if(ctrsz == 4){+- /*
+- * If counter is 32 bits (as in rfc3686 and ssh2) there's
+- * no need to use extended precision.
+- */
+- c = 1 + (ctr[0]<<24 | ctr[1]<<16 | ctr[2]<<8 | ctr[3]);
+- ctr[0] = c>>24; ctr[1] = c>>16; ctr[2] = c>>8; ctr[3] = c;
+- return;
+- }
+- mpctr = betomp(ctr, ctrsz, nil);
+- mpctrsz = mpnew(ctrsz*8 + 1);
+- mpleft(mpone, ctrsz*8, mpctrsz);
+- mpadd(mpctr, mpone, mpctr);
+- mpmod(mpctr, mpctrsz, mpctr);
+- len = mptobe(mpctr, ctr, ctrsz, nil);
+- assert(len == ctrsz);
+- mpfree(mpctrsz);
+- mpfree(mpctr);
+-}
+-
+-void
+-aesCTRencrypt(uchar *p, int len, AESstate *s)
+-{+- uchar q[AESbsize];
+- uchar *ip, *eip, *ctr;
+-
+- ctr = s->ivec;
+- for(; len >= AESbsize; len -= AESbsize){+- ip = q;
+- aes_encrypt(s->ekey, s->rounds, ctr, q);
+- for(eip = p + AESbsize; p < eip; )
+- *p++ ^= *ip++;
+- incrementCTR(ctr, s->ctrsz);
+- }
+-
+- if(len > 0){+- ip = q;
+- aes_encrypt(s->ekey, s->rounds, ctr, q);
+- for(eip = p + len; p < eip; )
+- *p++ ^= *ip++;
+- incrementCTR(ctr, s->ctrsz);
+- }
+-}
+-
+-void
+-aesCTRdecrypt(uchar *p, int len, AESstate *s)
+-{+- aesCTRencrypt(p, len, s);
+-}
+-
+-
+-/* taken from sha1; TODO: verify suitability (esp. byte order) for aes */
+-/*
+- * encodes input (ulong) into output (uchar). Assumes len is
+- * a multiple of 4.
+- */
+-static void
+-encode(uchar *output, ulong *input, ulong len)
+-{+- ulong x;
+- uchar *e;
+-
+- for(e = output + len; output < e;) {+- x = *input++;
+- *output++ = x >> 24;
+- *output++ = x >> 16;
+- *output++ = x >> 8;
+- *output++ = x;
+- }
+-}
+-
+-/* TODO: verify use of aes_encrypt here */
+-AEShstate*
+-aes(uchar *p, ulong len, uchar *digest, AEShstate *s)
+-{+- uchar buf[128];
+- ulong x[16];
+- int i;
+- uchar *e;
+-
+- if(s == nil){+- s = malloc(sizeof(*s));
+- if(s == nil)
+- return nil;
+- memset(s, 0, sizeof(*s));
+- s->malloced = 1;
+- }
+-
+- if(s->seeded == 0){+- /* seed the state, these constants would look nicer big-endian */
+- s->state[0] = 0x67452301;
+- s->state[1] = 0xefcdab89;
+- s->state[2] = 0x98badcfe;
+- s->state[3] = 0x10325476;
+- /* in sha1 (20-byte digest), but not md5 (16 bytes)*/
+- s->state[4] = 0xc3d2e1f0;
+- s->seeded = 1;
+- }
+-
+- /* fill out the partial 64 byte block from previous calls */
+- if(s->blen){+- i = 64 - s->blen;
+- if(len < i)
+- i = len;
+- memmove(s->buf + s->blen, p, i);
+- len -= i;
+- s->blen += i;
+- p += i;
+- if(s->blen == 64){+- /* encrypt s->buf into s->state */
+- // _sha1block(s->buf, s->blen, s->state);
+- aes_encrypt((ulong *)s->buf, 1, s->buf, (uchar *)s->state);
+- s->len += s->blen;
+- s->blen = 0;
+- }
+- }
+-
+- /* do 64 byte blocks */
+- i = len & ~0x3f;
+- if(i){+- /* encrypt p into s->state */
+- // _sha1block(p, i, s->state);
+- aes_encrypt((ulong *)s->buf, 1, p, (uchar *)s->state);
+- s->len += i;
+- len -= i;
+- p += i;
+- }
+-
+- /* save the left overs if not last call */
+- if(digest == 0){+- if(len){+- memmove(s->buf, p, len);
+- s->blen += len;
+- }
+- return s;
+- }
+-
+- /*
+- * this is the last time through, pad what's left with 0x80,
+- * 0's, and the input count to create a multiple of 64 bytes
+- */
+- if(s->blen){+- p = s->buf;
+- len = s->blen;
+- } else {+- memmove(buf, p, len);
+- p = buf;
+- }
+- s->len += len;
+- e = p + len;
+- if(len < 56)
+- i = 56 - len;
+- else
+- i = 120 - len;
+- memset(e, 0, i);
+- *e = 0x80;
+- len += i;
+-
+- /* append the count */
+- x[0] = s->len>>29; /* byte-order dependent */
+- x[1] = s->len<<3;
+- encode(p+len, x, 8);
+-
+- /* digest the last part */
+- /* encrypt p into s->state */
+- // _sha1block(p, len+8, s->state);
+- aes_encrypt((ulong *)s->buf, 1, p, (uchar *)s->state);
+- s->len += len+8; /* sha1: +8 */
+-
+- /* return result and free state */
+- encode((uchar *)digest, (ulong *)s->state, AESdlen);
+- if(s->malloced == 1)
+- free(s);
+- return nil;
+-}
+-
+-DigestState*
+-hmac_aes(uchar *p, ulong len, uchar *key, ulong klen, uchar *digest,
+- DigestState *s)
+-{+- return hmac_x(p, len, key, klen, digest, s, aes, AESdlen);
+-}
+-
+-
+-
+-/*
+- * this function has been changed for plan 9.
+- * Expand the cipher key into the encryption and decryption key schedules.
+- *
+- * @return the number of rounds for the given cipher key size.
+- */
+-static int
+-aes_setup(ulong erk[/* 4*(Nr + 1) */], ulong drk[/* 4*(Nr + 1) */],
+- const uchar cipherKey[], int keyBits)
+-{+- int Nr, i;
+-
+- /* expand the cipher key: */
+- Nr = aes_setupEnc(erk, cipherKey, keyBits);
+-
+- /*
+- * invert the order of the round keys and apply the inverse MixColumn
+- * transform to all round keys but the first and the last
+- */
+- drk[0 ] = erk[4*Nr ];
+- drk[1 ] = erk[4*Nr + 1];
+- drk[2 ] = erk[4*Nr + 2];
+- drk[3 ] = erk[4*Nr + 3];
+- drk[4*Nr ] = erk[0 ];
+- drk[4*Nr + 1] = erk[1 ];
+- drk[4*Nr + 2] = erk[2 ];
+- drk[4*Nr + 3] = erk[3 ];
+- erk += 4 * Nr;
+- for (i = 1; i < Nr; i++) {+- drk += 4;
+- erk -= 4;
+- drk[0] =
+- Td0[Te4[(erk[0] >> 24) ]] ^
+- Td1[Te4[(erk[0] >> 16) & 0xff]] ^
+- Td2[Te4[(erk[0] >> 8) & 0xff]] ^
+- Td3[Te4[(erk[0] ) & 0xff]];
+- drk[1] =
+- Td0[Te4[(erk[1] >> 24) ]] ^
+- Td1[Te4[(erk[1] >> 16) & 0xff]] ^
+- Td2[Te4[(erk[1] >> 8) & 0xff]] ^
+- Td3[Te4[(erk[1] ) & 0xff]];
+- drk[2] =
+- Td0[Te4[(erk[2] >> 24) ]] ^
+- Td1[Te4[(erk[2] >> 16) & 0xff]] ^
+- Td2[Te4[(erk[2] >> 8) & 0xff]] ^
+- Td3[Te4[(erk[2] ) & 0xff]];
+- drk[3] =
+- Td0[Te4[(erk[3] >> 24) ]] ^
+- Td1[Te4[(erk[3] >> 16) & 0xff]] ^
+- Td2[Te4[(erk[3] >> 8) & 0xff]] ^
+- Td3[Te4[(erk[3] ) & 0xff]];
+- }
+- return Nr;
+-}
++#define GETU32(pt) (((u32)(pt)[0]<<24) ^ ((u32)(pt)[1]<<16) ^ \
++ ((u32)(pt)[2]<< 8) ^ ((u32)(pt)[3]))
++#define PUTU32(ct, st) { (ct)[0] = (u8)((st)>>24); (ct)[1] = (u8)((st)>>16); \++ (ct)[2] = (u8)((st)>> 8); (ct)[3] = (u8)(st); }
+
++#define FULL_UNROLL
+
+ /*
+ Te0[x] = S [x].[02, 01, 01, 03];
+@@ -491,696 +57,691 @@
+ Td4[x] = Si[x]
+ */
+
+-static const u32 Te0[256] = {+- 0xc66363a5U, 0xf87c7c84U, 0xee777799U, 0xf67b7b8dU,
+- 0xfff2f20dU, 0xd66b6bbdU, 0xde6f6fb1U, 0x91c5c554U,
+- 0x60303050U, 0x02010103U, 0xce6767a9U, 0x562b2b7dU,
+- 0xe7fefe19U, 0xb5d7d762U, 0x4dababe6U, 0xec76769aU,
+- 0x8fcaca45U, 0x1f82829dU, 0x89c9c940U, 0xfa7d7d87U,
+- 0xeffafa15U, 0xb25959ebU, 0x8e4747c9U, 0xfbf0f00bU,
+- 0x41adadecU, 0xb3d4d467U, 0x5fa2a2fdU, 0x45afafeaU,
+- 0x239c9cbfU, 0x53a4a4f7U, 0xe4727296U, 0x9bc0c05bU,
+- 0x75b7b7c2U, 0xe1fdfd1cU, 0x3d9393aeU, 0x4c26266aU,
+- 0x6c36365aU, 0x7e3f3f41U, 0xf5f7f702U, 0x83cccc4fU,
+- 0x6834345cU, 0x51a5a5f4U, 0xd1e5e534U, 0xf9f1f108U,
+- 0xe2717193U, 0xabd8d873U, 0x62313153U, 0x2a15153fU,
+- 0x0804040cU, 0x95c7c752U, 0x46232365U, 0x9dc3c35eU,
+- 0x30181828U, 0x379696a1U, 0x0a05050fU, 0x2f9a9ab5U,
+- 0x0e070709U, 0x24121236U, 0x1b80809bU, 0xdfe2e23dU,
+- 0xcdebeb26U, 0x4e272769U, 0x7fb2b2cdU, 0xea75759fU,
+- 0x1209091bU, 0x1d83839eU, 0x582c2c74U, 0x341a1a2eU,
+- 0x361b1b2dU, 0xdc6e6eb2U, 0xb45a5aeeU, 0x5ba0a0fbU,
+- 0xa45252f6U, 0x763b3b4dU, 0xb7d6d661U, 0x7db3b3ceU,
+- 0x5229297bU, 0xdde3e33eU, 0x5e2f2f71U, 0x13848497U,
+- 0xa65353f5U, 0xb9d1d168U, 0x00000000U, 0xc1eded2cU,
+- 0x40202060U, 0xe3fcfc1fU, 0x79b1b1c8U, 0xb65b5bedU,
+- 0xd46a6abeU, 0x8dcbcb46U, 0x67bebed9U, 0x7239394bU,
+- 0x944a4adeU, 0x984c4cd4U, 0xb05858e8U, 0x85cfcf4aU,
+- 0xbbd0d06bU, 0xc5efef2aU, 0x4faaaae5U, 0xedfbfb16U,
+- 0x864343c5U, 0x9a4d4dd7U, 0x66333355U, 0x11858594U,
+- 0x8a4545cfU, 0xe9f9f910U, 0x04020206U, 0xfe7f7f81U,
+- 0xa05050f0U, 0x783c3c44U, 0x259f9fbaU, 0x4ba8a8e3U,
+- 0xa25151f3U, 0x5da3a3feU, 0x804040c0U, 0x058f8f8aU,
+- 0x3f9292adU, 0x219d9dbcU, 0x70383848U, 0xf1f5f504U,
+- 0x63bcbcdfU, 0x77b6b6c1U, 0xafdada75U, 0x42212163U,
+- 0x20101030U, 0xe5ffff1aU, 0xfdf3f30eU, 0xbfd2d26dU,
+- 0x81cdcd4cU, 0x180c0c14U, 0x26131335U, 0xc3ecec2fU,
+- 0xbe5f5fe1U, 0x359797a2U, 0x884444ccU, 0x2e171739U,
+- 0x93c4c457U, 0x55a7a7f2U, 0xfc7e7e82U, 0x7a3d3d47U,
+- 0xc86464acU, 0xba5d5de7U, 0x3219192bU, 0xe6737395U,
+- 0xc06060a0U, 0x19818198U, 0x9e4f4fd1U, 0xa3dcdc7fU,
+- 0x44222266U, 0x542a2a7eU, 0x3b9090abU, 0x0b888883U,
+- 0x8c4646caU, 0xc7eeee29U, 0x6bb8b8d3U, 0x2814143cU,
+- 0xa7dede79U, 0xbc5e5ee2U, 0x160b0b1dU, 0xaddbdb76U,
+- 0xdbe0e03bU, 0x64323256U, 0x743a3a4eU, 0x140a0a1eU,
+- 0x924949dbU, 0x0c06060aU, 0x4824246cU, 0xb85c5ce4U,
+- 0x9fc2c25dU, 0xbdd3d36eU, 0x43acacefU, 0xc46262a6U,
+- 0x399191a8U, 0x319595a4U, 0xd3e4e437U, 0xf279798bU,
+- 0xd5e7e732U, 0x8bc8c843U, 0x6e373759U, 0xda6d6db7U,
+- 0x018d8d8cU, 0xb1d5d564U, 0x9c4e4ed2U, 0x49a9a9e0U,
+- 0xd86c6cb4U, 0xac5656faU, 0xf3f4f407U, 0xcfeaea25U,
+- 0xca6565afU, 0xf47a7a8eU, 0x47aeaee9U, 0x10080818U,
+- 0x6fbabad5U, 0xf0787888U, 0x4a25256fU, 0x5c2e2e72U,
+- 0x381c1c24U, 0x57a6a6f1U, 0x73b4b4c7U, 0x97c6c651U,
+- 0xcbe8e823U, 0xa1dddd7cU, 0xe874749cU, 0x3e1f1f21U,
+- 0x964b4bddU, 0x61bdbddcU, 0x0d8b8b86U, 0x0f8a8a85U,
+- 0xe0707090U, 0x7c3e3e42U, 0x71b5b5c4U, 0xcc6666aaU,
+- 0x904848d8U, 0x06030305U, 0xf7f6f601U, 0x1c0e0e12U,
+- 0xc26161a3U, 0x6a35355fU, 0xae5757f9U, 0x69b9b9d0U,
+- 0x17868691U, 0x99c1c158U, 0x3a1d1d27U, 0x279e9eb9U,
+- 0xd9e1e138U, 0xebf8f813U, 0x2b9898b3U, 0x22111133U,
+- 0xd26969bbU, 0xa9d9d970U, 0x078e8e89U, 0x339494a7U,
+- 0x2d9b9bb6U, 0x3c1e1e22U, 0x15878792U, 0xc9e9e920U,
+- 0x87cece49U, 0xaa5555ffU, 0x50282878U, 0xa5dfdf7aU,
+- 0x038c8c8fU, 0x59a1a1f8U, 0x09898980U, 0x1a0d0d17U,
+- 0x65bfbfdaU, 0xd7e6e631U, 0x844242c6U, 0xd06868b8U,
+- 0x824141c3U, 0x299999b0U, 0x5a2d2d77U, 0x1e0f0f11U,
+- 0x7bb0b0cbU, 0xa85454fcU, 0x6dbbbbd6U, 0x2c16163aU,
++static u32 Te0[256] = {++ 0xc66363a5U, 0xf87c7c84U, 0xee777799U, 0xf67b7b8dU,
++ 0xfff2f20dU, 0xd66b6bbdU, 0xde6f6fb1U, 0x91c5c554U,
++ 0x60303050U, 0x02010103U, 0xce6767a9U, 0x562b2b7dU,
++ 0xe7fefe19U, 0xb5d7d762U, 0x4dababe6U, 0xec76769aU,
++ 0x8fcaca45U, 0x1f82829dU, 0x89c9c940U, 0xfa7d7d87U,
++ 0xeffafa15U, 0xb25959ebU, 0x8e4747c9U, 0xfbf0f00bU,
++ 0x41adadecU, 0xb3d4d467U, 0x5fa2a2fdU, 0x45afafeaU,
++ 0x239c9cbfU, 0x53a4a4f7U, 0xe4727296U, 0x9bc0c05bU,
++ 0x75b7b7c2U, 0xe1fdfd1cU, 0x3d9393aeU, 0x4c26266aU,
++ 0x6c36365aU, 0x7e3f3f41U, 0xf5f7f702U, 0x83cccc4fU,
++ 0x6834345cU, 0x51a5a5f4U, 0xd1e5e534U, 0xf9f1f108U,
++ 0xe2717193U, 0xabd8d873U, 0x62313153U, 0x2a15153fU,
++ 0x0804040cU, 0x95c7c752U, 0x46232365U, 0x9dc3c35eU,
++ 0x30181828U, 0x379696a1U, 0x0a05050fU, 0x2f9a9ab5U,
++ 0x0e070709U, 0x24121236U, 0x1b80809bU, 0xdfe2e23dU,
++ 0xcdebeb26U, 0x4e272769U, 0x7fb2b2cdU, 0xea75759fU,
++ 0x1209091bU, 0x1d83839eU, 0x582c2c74U, 0x341a1a2eU,
++ 0x361b1b2dU, 0xdc6e6eb2U, 0xb45a5aeeU, 0x5ba0a0fbU,
++ 0xa45252f6U, 0x763b3b4dU, 0xb7d6d661U, 0x7db3b3ceU,
++ 0x5229297bU, 0xdde3e33eU, 0x5e2f2f71U, 0x13848497U,
++ 0xa65353f5U, 0xb9d1d168U, 0x00000000U, 0xc1eded2cU,
++ 0x40202060U, 0xe3fcfc1fU, 0x79b1b1c8U, 0xb65b5bedU,
++ 0xd46a6abeU, 0x8dcbcb46U, 0x67bebed9U, 0x7239394bU,
++ 0x944a4adeU, 0x984c4cd4U, 0xb05858e8U, 0x85cfcf4aU,
++ 0xbbd0d06bU, 0xc5efef2aU, 0x4faaaae5U, 0xedfbfb16U,
++ 0x864343c5U, 0x9a4d4dd7U, 0x66333355U, 0x11858594U,
++ 0x8a4545cfU, 0xe9f9f910U, 0x04020206U, 0xfe7f7f81U,
++ 0xa05050f0U, 0x783c3c44U, 0x259f9fbaU, 0x4ba8a8e3U,
++ 0xa25151f3U, 0x5da3a3feU, 0x804040c0U, 0x058f8f8aU,
++ 0x3f9292adU, 0x219d9dbcU, 0x70383848U, 0xf1f5f504U,
++ 0x63bcbcdfU, 0x77b6b6c1U, 0xafdada75U, 0x42212163U,
++ 0x20101030U, 0xe5ffff1aU, 0xfdf3f30eU, 0xbfd2d26dU,
++ 0x81cdcd4cU, 0x180c0c14U, 0x26131335U, 0xc3ecec2fU,
++ 0xbe5f5fe1U, 0x359797a2U, 0x884444ccU, 0x2e171739U,
++ 0x93c4c457U, 0x55a7a7f2U, 0xfc7e7e82U, 0x7a3d3d47U,
++ 0xc86464acU, 0xba5d5de7U, 0x3219192bU, 0xe6737395U,
++ 0xc06060a0U, 0x19818198U, 0x9e4f4fd1U, 0xa3dcdc7fU,
++ 0x44222266U, 0x542a2a7eU, 0x3b9090abU, 0x0b888883U,
++ 0x8c4646caU, 0xc7eeee29U, 0x6bb8b8d3U, 0x2814143cU,
++ 0xa7dede79U, 0xbc5e5ee2U, 0x160b0b1dU, 0xaddbdb76U,
++ 0xdbe0e03bU, 0x64323256U, 0x743a3a4eU, 0x140a0a1eU,
++ 0x924949dbU, 0x0c06060aU, 0x4824246cU, 0xb85c5ce4U,
++ 0x9fc2c25dU, 0xbdd3d36eU, 0x43acacefU, 0xc46262a6U,
++ 0x399191a8U, 0x319595a4U, 0xd3e4e437U, 0xf279798bU,
++ 0xd5e7e732U, 0x8bc8c843U, 0x6e373759U, 0xda6d6db7U,
++ 0x018d8d8cU, 0xb1d5d564U, 0x9c4e4ed2U, 0x49a9a9e0U,
++ 0xd86c6cb4U, 0xac5656faU, 0xf3f4f407U, 0xcfeaea25U,
++ 0xca6565afU, 0xf47a7a8eU, 0x47aeaee9U, 0x10080818U,
++ 0x6fbabad5U, 0xf0787888U, 0x4a25256fU, 0x5c2e2e72U,
++ 0x381c1c24U, 0x57a6a6f1U, 0x73b4b4c7U, 0x97c6c651U,
++ 0xcbe8e823U, 0xa1dddd7cU, 0xe874749cU, 0x3e1f1f21U,
++ 0x964b4bddU, 0x61bdbddcU, 0x0d8b8b86U, 0x0f8a8a85U,
++ 0xe0707090U, 0x7c3e3e42U, 0x71b5b5c4U, 0xcc6666aaU,
++ 0x904848d8U, 0x06030305U, 0xf7f6f601U, 0x1c0e0e12U,
++ 0xc26161a3U, 0x6a35355fU, 0xae5757f9U, 0x69b9b9d0U,
++ 0x17868691U, 0x99c1c158U, 0x3a1d1d27U, 0x279e9eb9U,
++ 0xd9e1e138U, 0xebf8f813U, 0x2b9898b3U, 0x22111133U,
++ 0xd26969bbU, 0xa9d9d970U, 0x078e8e89U, 0x339494a7U,
++ 0x2d9b9bb6U, 0x3c1e1e22U, 0x15878792U, 0xc9e9e920U,
++ 0x87cece49U, 0xaa5555ffU, 0x50282878U, 0xa5dfdf7aU,
++ 0x038c8c8fU, 0x59a1a1f8U, 0x09898980U, 0x1a0d0d17U,
++ 0x65bfbfdaU, 0xd7e6e631U, 0x844242c6U, 0xd06868b8U,
++ 0x824141c3U, 0x299999b0U, 0x5a2d2d77U, 0x1e0f0f11U,
++ 0x7bb0b0cbU, 0xa85454fcU, 0x6dbbbbd6U, 0x2c16163aU,
+ };
+-static const u32 Te1[256] = {+- 0xa5c66363U, 0x84f87c7cU, 0x99ee7777U, 0x8df67b7bU,
+- 0x0dfff2f2U, 0xbdd66b6bU, 0xb1de6f6fU, 0x5491c5c5U,
+- 0x50603030U, 0x03020101U, 0xa9ce6767U, 0x7d562b2bU,
+- 0x19e7fefeU, 0x62b5d7d7U, 0xe64dababU, 0x9aec7676U,
+- 0x458fcacaU, 0x9d1f8282U, 0x4089c9c9U, 0x87fa7d7dU,
+- 0x15effafaU, 0xebb25959U, 0xc98e4747U, 0x0bfbf0f0U,
+- 0xec41adadU, 0x67b3d4d4U, 0xfd5fa2a2U, 0xea45afafU,
+- 0xbf239c9cU, 0xf753a4a4U, 0x96e47272U, 0x5b9bc0c0U,
+- 0xc275b7b7U, 0x1ce1fdfdU, 0xae3d9393U, 0x6a4c2626U,
+- 0x5a6c3636U, 0x417e3f3fU, 0x02f5f7f7U, 0x4f83ccccU,
+- 0x5c683434U, 0xf451a5a5U, 0x34d1e5e5U, 0x08f9f1f1U,
+- 0x93e27171U, 0x73abd8d8U, 0x53623131U, 0x3f2a1515U,
+- 0x0c080404U, 0x5295c7c7U, 0x65462323U, 0x5e9dc3c3U,
+- 0x28301818U, 0xa1379696U, 0x0f0a0505U, 0xb52f9a9aU,
+- 0x090e0707U, 0x36241212U, 0x9b1b8080U, 0x3ddfe2e2U,
+- 0x26cdebebU, 0x694e2727U, 0xcd7fb2b2U, 0x9fea7575U,
+- 0x1b120909U, 0x9e1d8383U, 0x74582c2cU, 0x2e341a1aU,
+- 0x2d361b1bU, 0xb2dc6e6eU, 0xeeb45a5aU, 0xfb5ba0a0U,
+- 0xf6a45252U, 0x4d763b3bU, 0x61b7d6d6U, 0xce7db3b3U,
+- 0x7b522929U, 0x3edde3e3U, 0x715e2f2fU, 0x97138484U,
+- 0xf5a65353U, 0x68b9d1d1U, 0x00000000U, 0x2cc1ededU,
+- 0x60402020U, 0x1fe3fcfcU, 0xc879b1b1U, 0xedb65b5bU,
+- 0xbed46a6aU, 0x468dcbcbU, 0xd967bebeU, 0x4b723939U,
+- 0xde944a4aU, 0xd4984c4cU, 0xe8b05858U, 0x4a85cfcfU,
+- 0x6bbbd0d0U, 0x2ac5efefU, 0xe54faaaaU, 0x16edfbfbU,
+- 0xc5864343U, 0xd79a4d4dU, 0x55663333U, 0x94118585U,
+- 0xcf8a4545U, 0x10e9f9f9U, 0x06040202U, 0x81fe7f7fU,
+- 0xf0a05050U, 0x44783c3cU, 0xba259f9fU, 0xe34ba8a8U,
+- 0xf3a25151U, 0xfe5da3a3U, 0xc0804040U, 0x8a058f8fU,
+- 0xad3f9292U, 0xbc219d9dU, 0x48703838U, 0x04f1f5f5U,
+- 0xdf63bcbcU, 0xc177b6b6U, 0x75afdadaU, 0x63422121U,
+- 0x30201010U, 0x1ae5ffffU, 0x0efdf3f3U, 0x6dbfd2d2U,
+- 0x4c81cdcdU, 0x14180c0cU, 0x35261313U, 0x2fc3ececU,
+- 0xe1be5f5fU, 0xa2359797U, 0xcc884444U, 0x392e1717U,
+- 0x5793c4c4U, 0xf255a7a7U, 0x82fc7e7eU, 0x477a3d3dU,
+- 0xacc86464U, 0xe7ba5d5dU, 0x2b321919U, 0x95e67373U,
+- 0xa0c06060U, 0x98198181U, 0xd19e4f4fU, 0x7fa3dcdcU,
+- 0x66442222U, 0x7e542a2aU, 0xab3b9090U, 0x830b8888U,
+- 0xca8c4646U, 0x29c7eeeeU, 0xd36bb8b8U, 0x3c281414U,
+- 0x79a7dedeU, 0xe2bc5e5eU, 0x1d160b0bU, 0x76addbdbU,
+- 0x3bdbe0e0U, 0x56643232U, 0x4e743a3aU, 0x1e140a0aU,
+- 0xdb924949U, 0x0a0c0606U, 0x6c482424U, 0xe4b85c5cU,
+- 0x5d9fc2c2U, 0x6ebdd3d3U, 0xef43acacU, 0xa6c46262U,
+- 0xa8399191U, 0xa4319595U, 0x37d3e4e4U, 0x8bf27979U,
+- 0x32d5e7e7U, 0x438bc8c8U, 0x596e3737U, 0xb7da6d6dU,
+- 0x8c018d8dU, 0x64b1d5d5U, 0xd29c4e4eU, 0xe049a9a9U,
+- 0xb4d86c6cU, 0xfaac5656U, 0x07f3f4f4U, 0x25cfeaeaU,
+- 0xafca6565U, 0x8ef47a7aU, 0xe947aeaeU, 0x18100808U,
+- 0xd56fbabaU, 0x88f07878U, 0x6f4a2525U, 0x725c2e2eU,
+- 0x24381c1cU, 0xf157a6a6U, 0xc773b4b4U, 0x5197c6c6U,
+- 0x23cbe8e8U, 0x7ca1ddddU, 0x9ce87474U, 0x213e1f1fU,
+- 0xdd964b4bU, 0xdc61bdbdU, 0x860d8b8bU, 0x850f8a8aU,
+- 0x90e07070U, 0x427c3e3eU, 0xc471b5b5U, 0xaacc6666U,
+- 0xd8904848U, 0x05060303U, 0x01f7f6f6U, 0x121c0e0eU,
+- 0xa3c26161U, 0x5f6a3535U, 0xf9ae5757U, 0xd069b9b9U,
+- 0x91178686U, 0x5899c1c1U, 0x273a1d1dU, 0xb9279e9eU,
+- 0x38d9e1e1U, 0x13ebf8f8U, 0xb32b9898U, 0x33221111U,
+- 0xbbd26969U, 0x70a9d9d9U, 0x89078e8eU, 0xa7339494U,
+- 0xb62d9b9bU, 0x223c1e1eU, 0x92158787U, 0x20c9e9e9U,
+- 0x4987ceceU, 0xffaa5555U, 0x78502828U, 0x7aa5dfdfU,
+- 0x8f038c8cU, 0xf859a1a1U, 0x80098989U, 0x171a0d0dU,
+- 0xda65bfbfU, 0x31d7e6e6U, 0xc6844242U, 0xb8d06868U,
+- 0xc3824141U, 0xb0299999U, 0x775a2d2dU, 0x111e0f0fU,
+- 0xcb7bb0b0U, 0xfca85454U, 0xd66dbbbbU, 0x3a2c1616U,
++static u32 Te1[256] = {++ 0xa5c66363U, 0x84f87c7cU, 0x99ee7777U, 0x8df67b7bU,
++ 0x0dfff2f2U, 0xbdd66b6bU, 0xb1de6f6fU, 0x5491c5c5U,
++ 0x50603030U, 0x03020101U, 0xa9ce6767U, 0x7d562b2bU,
++ 0x19e7fefeU, 0x62b5d7d7U, 0xe64dababU, 0x9aec7676U,
++ 0x458fcacaU, 0x9d1f8282U, 0x4089c9c9U, 0x87fa7d7dU,
++ 0x15effafaU, 0xebb25959U, 0xc98e4747U, 0x0bfbf0f0U,
++ 0xec41adadU, 0x67b3d4d4U, 0xfd5fa2a2U, 0xea45afafU,
++ 0xbf239c9cU, 0xf753a4a4U, 0x96e47272U, 0x5b9bc0c0U,
++ 0xc275b7b7U, 0x1ce1fdfdU, 0xae3d9393U, 0x6a4c2626U,
++ 0x5a6c3636U, 0x417e3f3fU, 0x02f5f7f7U, 0x4f83ccccU,
++ 0x5c683434U, 0xf451a5a5U, 0x34d1e5e5U, 0x08f9f1f1U,
++ 0x93e27171U, 0x73abd8d8U, 0x53623131U, 0x3f2a1515U,
++ 0x0c080404U, 0x5295c7c7U, 0x65462323U, 0x5e9dc3c3U,
++ 0x28301818U, 0xa1379696U, 0x0f0a0505U, 0xb52f9a9aU,
++ 0x090e0707U, 0x36241212U, 0x9b1b8080U, 0x3ddfe2e2U,
++ 0x26cdebebU, 0x694e2727U, 0xcd7fb2b2U, 0x9fea7575U,
++ 0x1b120909U, 0x9e1d8383U, 0x74582c2cU, 0x2e341a1aU,
++ 0x2d361b1bU, 0xb2dc6e6eU, 0xeeb45a5aU, 0xfb5ba0a0U,
++ 0xf6a45252U, 0x4d763b3bU, 0x61b7d6d6U, 0xce7db3b3U,
++ 0x7b522929U, 0x3edde3e3U, 0x715e2f2fU, 0x97138484U,
++ 0xf5a65353U, 0x68b9d1d1U, 0x00000000U, 0x2cc1ededU,
++ 0x60402020U, 0x1fe3fcfcU, 0xc879b1b1U, 0xedb65b5bU,
++ 0xbed46a6aU, 0x468dcbcbU, 0xd967bebeU, 0x4b723939U,
++ 0xde944a4aU, 0xd4984c4cU, 0xe8b05858U, 0x4a85cfcfU,
++ 0x6bbbd0d0U, 0x2ac5efefU, 0xe54faaaaU, 0x16edfbfbU,
++ 0xc5864343U, 0xd79a4d4dU, 0x55663333U, 0x94118585U,
++ 0xcf8a4545U, 0x10e9f9f9U, 0x06040202U, 0x81fe7f7fU,
++ 0xf0a05050U, 0x44783c3cU, 0xba259f9fU, 0xe34ba8a8U,
++ 0xf3a25151U, 0xfe5da3a3U, 0xc0804040U, 0x8a058f8fU,
++ 0xad3f9292U, 0xbc219d9dU, 0x48703838U, 0x04f1f5f5U,
++ 0xdf63bcbcU, 0xc177b6b6U, 0x75afdadaU, 0x63422121U,
++ 0x30201010U, 0x1ae5ffffU, 0x0efdf3f3U, 0x6dbfd2d2U,
++ 0x4c81cdcdU, 0x14180c0cU, 0x35261313U, 0x2fc3ececU,
++ 0xe1be5f5fU, 0xa2359797U, 0xcc884444U, 0x392e1717U,
++ 0x5793c4c4U, 0xf255a7a7U, 0x82fc7e7eU, 0x477a3d3dU,
++ 0xacc86464U, 0xe7ba5d5dU, 0x2b321919U, 0x95e67373U,
++ 0xa0c06060U, 0x98198181U, 0xd19e4f4fU, 0x7fa3dcdcU,
++ 0x66442222U, 0x7e542a2aU, 0xab3b9090U, 0x830b8888U,
++ 0xca8c4646U, 0x29c7eeeeU, 0xd36bb8b8U, 0x3c281414U,
++ 0x79a7dedeU, 0xe2bc5e5eU, 0x1d160b0bU, 0x76addbdbU,
++ 0x3bdbe0e0U, 0x56643232U, 0x4e743a3aU, 0x1e140a0aU,
++ 0xdb924949U, 0x0a0c0606U, 0x6c482424U, 0xe4b85c5cU,
++ 0x5d9fc2c2U, 0x6ebdd3d3U, 0xef43acacU, 0xa6c46262U,
++ 0xa8399191U, 0xa4319595U, 0x37d3e4e4U, 0x8bf27979U,
++ 0x32d5e7e7U, 0x438bc8c8U, 0x596e3737U, 0xb7da6d6dU,
++ 0x8c018d8dU, 0x64b1d5d5U, 0xd29c4e4eU, 0xe049a9a9U,
++ 0xb4d86c6cU, 0xfaac5656U, 0x07f3f4f4U, 0x25cfeaeaU,
++ 0xafca6565U, 0x8ef47a7aU, 0xe947aeaeU, 0x18100808U,
++ 0xd56fbabaU, 0x88f07878U, 0x6f4a2525U, 0x725c2e2eU,
++ 0x24381c1cU, 0xf157a6a6U, 0xc773b4b4U, 0x5197c6c6U,
++ 0x23cbe8e8U, 0x7ca1ddddU, 0x9ce87474U, 0x213e1f1fU,
++ 0xdd964b4bU, 0xdc61bdbdU, 0x860d8b8bU, 0x850f8a8aU,
++ 0x90e07070U, 0x427c3e3eU, 0xc471b5b5U, 0xaacc6666U,
++ 0xd8904848U, 0x05060303U, 0x01f7f6f6U, 0x121c0e0eU,
++ 0xa3c26161U, 0x5f6a3535U, 0xf9ae5757U, 0xd069b9b9U,
++ 0x91178686U, 0x5899c1c1U, 0x273a1d1dU, 0xb9279e9eU,
++ 0x38d9e1e1U, 0x13ebf8f8U, 0xb32b9898U, 0x33221111U,
++ 0xbbd26969U, 0x70a9d9d9U, 0x89078e8eU, 0xa7339494U,
++ 0xb62d9b9bU, 0x223c1e1eU, 0x92158787U, 0x20c9e9e9U,
++ 0x4987ceceU, 0xffaa5555U, 0x78502828U, 0x7aa5dfdfU,
++ 0x8f038c8cU, 0xf859a1a1U, 0x80098989U, 0x171a0d0dU,
++ 0xda65bfbfU, 0x31d7e6e6U, 0xc6844242U, 0xb8d06868U,
++ 0xc3824141U, 0xb0299999U, 0x775a2d2dU, 0x111e0f0fU,
++ 0xcb7bb0b0U, 0xfca85454U, 0xd66dbbbbU, 0x3a2c1616U,
+ };
+-static const u32 Te2[256] = {+- 0x63a5c663U, 0x7c84f87cU, 0x7799ee77U, 0x7b8df67bU,
+- 0xf20dfff2U, 0x6bbdd66bU, 0x6fb1de6fU, 0xc55491c5U,
+- 0x30506030U, 0x01030201U, 0x67a9ce67U, 0x2b7d562bU,
+- 0xfe19e7feU, 0xd762b5d7U, 0xabe64dabU, 0x769aec76U,
+- 0xca458fcaU, 0x829d1f82U, 0xc94089c9U, 0x7d87fa7dU,
+- 0xfa15effaU, 0x59ebb259U, 0x47c98e47U, 0xf00bfbf0U,
+- 0xadec41adU, 0xd467b3d4U, 0xa2fd5fa2U, 0xafea45afU,
+- 0x9cbf239cU, 0xa4f753a4U, 0x7296e472U, 0xc05b9bc0U,
+- 0xb7c275b7U, 0xfd1ce1fdU, 0x93ae3d93U, 0x266a4c26U,
+- 0x365a6c36U, 0x3f417e3fU, 0xf702f5f7U, 0xcc4f83ccU,
+- 0x345c6834U, 0xa5f451a5U, 0xe534d1e5U, 0xf108f9f1U,
+- 0x7193e271U, 0xd873abd8U, 0x31536231U, 0x153f2a15U,
+- 0x040c0804U, 0xc75295c7U, 0x23654623U, 0xc35e9dc3U,
+- 0x18283018U, 0x96a13796U, 0x050f0a05U, 0x9ab52f9aU,
+- 0x07090e07U, 0x12362412U, 0x809b1b80U, 0xe23ddfe2U,
+- 0xeb26cdebU, 0x27694e27U, 0xb2cd7fb2U, 0x759fea75U,
+- 0x091b1209U, 0x839e1d83U, 0x2c74582cU, 0x1a2e341aU,
+- 0x1b2d361bU, 0x6eb2dc6eU, 0x5aeeb45aU, 0xa0fb5ba0U,
+- 0x52f6a452U, 0x3b4d763bU, 0xd661b7d6U, 0xb3ce7db3U,
+- 0x297b5229U, 0xe33edde3U, 0x2f715e2fU, 0x84971384U,
+- 0x53f5a653U, 0xd168b9d1U, 0x00000000U, 0xed2cc1edU,
+- 0x20604020U, 0xfc1fe3fcU, 0xb1c879b1U, 0x5bedb65bU,
+- 0x6abed46aU, 0xcb468dcbU, 0xbed967beU, 0x394b7239U,
+- 0x4ade944aU, 0x4cd4984cU, 0x58e8b058U, 0xcf4a85cfU,
+- 0xd06bbbd0U, 0xef2ac5efU, 0xaae54faaU, 0xfb16edfbU,
+- 0x43c58643U, 0x4dd79a4dU, 0x33556633U, 0x85941185U,
+- 0x45cf8a45U, 0xf910e9f9U, 0x02060402U, 0x7f81fe7fU,
+- 0x50f0a050U, 0x3c44783cU, 0x9fba259fU, 0xa8e34ba8U,
+- 0x51f3a251U, 0xa3fe5da3U, 0x40c08040U, 0x8f8a058fU,
+- 0x92ad3f92U, 0x9dbc219dU, 0x38487038U, 0xf504f1f5U,
+- 0xbcdf63bcU, 0xb6c177b6U, 0xda75afdaU, 0x21634221U,
+- 0x10302010U, 0xff1ae5ffU, 0xf30efdf3U, 0xd26dbfd2U,
+- 0xcd4c81cdU, 0x0c14180cU, 0x13352613U, 0xec2fc3ecU,
+- 0x5fe1be5fU, 0x97a23597U, 0x44cc8844U, 0x17392e17U,
+- 0xc45793c4U, 0xa7f255a7U, 0x7e82fc7eU, 0x3d477a3dU,
+- 0x64acc864U, 0x5de7ba5dU, 0x192b3219U, 0x7395e673U,
+- 0x60a0c060U, 0x81981981U, 0x4fd19e4fU, 0xdc7fa3dcU,
+- 0x22664422U, 0x2a7e542aU, 0x90ab3b90U, 0x88830b88U,
+- 0x46ca8c46U, 0xee29c7eeU, 0xb8d36bb8U, 0x143c2814U,
+- 0xde79a7deU, 0x5ee2bc5eU, 0x0b1d160bU, 0xdb76addbU,
+- 0xe03bdbe0U, 0x32566432U, 0x3a4e743aU, 0x0a1e140aU,
+- 0x49db9249U, 0x060a0c06U, 0x246c4824U, 0x5ce4b85cU,
+- 0xc25d9fc2U, 0xd36ebdd3U, 0xacef43acU, 0x62a6c462U,
+- 0x91a83991U, 0x95a43195U, 0xe437d3e4U, 0x798bf279U,
+- 0xe732d5e7U, 0xc8438bc8U, 0x37596e37U, 0x6db7da6dU,
+- 0x8d8c018dU, 0xd564b1d5U, 0x4ed29c4eU, 0xa9e049a9U,
+- 0x6cb4d86cU, 0x56faac56U, 0xf407f3f4U, 0xea25cfeaU,
+- 0x65afca65U, 0x7a8ef47aU, 0xaee947aeU, 0x08181008U,
+- 0xbad56fbaU, 0x7888f078U, 0x256f4a25U, 0x2e725c2eU,
+- 0x1c24381cU, 0xa6f157a6U, 0xb4c773b4U, 0xc65197c6U,
+- 0xe823cbe8U, 0xdd7ca1ddU, 0x749ce874U, 0x1f213e1fU,
+- 0x4bdd964bU, 0xbddc61bdU, 0x8b860d8bU, 0x8a850f8aU,
+- 0x7090e070U, 0x3e427c3eU, 0xb5c471b5U, 0x66aacc66U,
+- 0x48d89048U, 0x03050603U, 0xf601f7f6U, 0x0e121c0eU,
+- 0x61a3c261U, 0x355f6a35U, 0x57f9ae57U, 0xb9d069b9U,
+- 0x86911786U, 0xc15899c1U, 0x1d273a1dU, 0x9eb9279eU,
+- 0xe138d9e1U, 0xf813ebf8U, 0x98b32b98U, 0x11332211U,
+- 0x69bbd269U, 0xd970a9d9U, 0x8e89078eU, 0x94a73394U,
+- 0x9bb62d9bU, 0x1e223c1eU, 0x87921587U, 0xe920c9e9U,
+- 0xce4987ceU, 0x55ffaa55U, 0x28785028U, 0xdf7aa5dfU,
+- 0x8c8f038cU, 0xa1f859a1U, 0x89800989U, 0x0d171a0dU,
+- 0xbfda65bfU, 0xe631d7e6U, 0x42c68442U, 0x68b8d068U,
+- 0x41c38241U, 0x99b02999U, 0x2d775a2dU, 0x0f111e0fU,
+- 0xb0cb7bb0U, 0x54fca854U, 0xbbd66dbbU, 0x163a2c16U,
++static u32 Te2[256] = {++ 0x63a5c663U, 0x7c84f87cU, 0x7799ee77U, 0x7b8df67bU,
++ 0xf20dfff2U, 0x6bbdd66bU, 0x6fb1de6fU, 0xc55491c5U,
++ 0x30506030U, 0x01030201U, 0x67a9ce67U, 0x2b7d562bU,
++ 0xfe19e7feU, 0xd762b5d7U, 0xabe64dabU, 0x769aec76U,
++ 0xca458fcaU, 0x829d1f82U, 0xc94089c9U, 0x7d87fa7dU,
++ 0xfa15effaU, 0x59ebb259U, 0x47c98e47U, 0xf00bfbf0U,
++ 0xadec41adU, 0xd467b3d4U, 0xa2fd5fa2U, 0xafea45afU,
++ 0x9cbf239cU, 0xa4f753a4U, 0x7296e472U, 0xc05b9bc0U,
++ 0xb7c275b7U, 0xfd1ce1fdU, 0x93ae3d93U, 0x266a4c26U,
++ 0x365a6c36U, 0x3f417e3fU, 0xf702f5f7U, 0xcc4f83ccU,
++ 0x345c6834U, 0xa5f451a5U, 0xe534d1e5U, 0xf108f9f1U,
++ 0x7193e271U, 0xd873abd8U, 0x31536231U, 0x153f2a15U,
++ 0x040c0804U, 0xc75295c7U, 0x23654623U, 0xc35e9dc3U,
++ 0x18283018U, 0x96a13796U, 0x050f0a05U, 0x9ab52f9aU,
++ 0x07090e07U, 0x12362412U, 0x809b1b80U, 0xe23ddfe2U,
++ 0xeb26cdebU, 0x27694e27U, 0xb2cd7fb2U, 0x759fea75U,
++ 0x091b1209U, 0x839e1d83U, 0x2c74582cU, 0x1a2e341aU,
++ 0x1b2d361bU, 0x6eb2dc6eU, 0x5aeeb45aU, 0xa0fb5ba0U,
++ 0x52f6a452U, 0x3b4d763bU, 0xd661b7d6U, 0xb3ce7db3U,
++ 0x297b5229U, 0xe33edde3U, 0x2f715e2fU, 0x84971384U,
++ 0x53f5a653U, 0xd168b9d1U, 0x00000000U, 0xed2cc1edU,
++ 0x20604020U, 0xfc1fe3fcU, 0xb1c879b1U, 0x5bedb65bU,
++ 0x6abed46aU, 0xcb468dcbU, 0xbed967beU, 0x394b7239U,
++ 0x4ade944aU, 0x4cd4984cU, 0x58e8b058U, 0xcf4a85cfU,
++ 0xd06bbbd0U, 0xef2ac5efU, 0xaae54faaU, 0xfb16edfbU,
++ 0x43c58643U, 0x4dd79a4dU, 0x33556633U, 0x85941185U,
++ 0x45cf8a45U, 0xf910e9f9U, 0x02060402U, 0x7f81fe7fU,
++ 0x50f0a050U, 0x3c44783cU, 0x9fba259fU, 0xa8e34ba8U,
++ 0x51f3a251U, 0xa3fe5da3U, 0x40c08040U, 0x8f8a058fU,
++ 0x92ad3f92U, 0x9dbc219dU, 0x38487038U, 0xf504f1f5U,
++ 0xbcdf63bcU, 0xb6c177b6U, 0xda75afdaU, 0x21634221U,
++ 0x10302010U, 0xff1ae5ffU, 0xf30efdf3U, 0xd26dbfd2U,
++ 0xcd4c81cdU, 0x0c14180cU, 0x13352613U, 0xec2fc3ecU,
++ 0x5fe1be5fU, 0x97a23597U, 0x44cc8844U, 0x17392e17U,
++ 0xc45793c4U, 0xa7f255a7U, 0x7e82fc7eU, 0x3d477a3dU,
++ 0x64acc864U, 0x5de7ba5dU, 0x192b3219U, 0x7395e673U,
++ 0x60a0c060U, 0x81981981U, 0x4fd19e4fU, 0xdc7fa3dcU,
++ 0x22664422U, 0x2a7e542aU, 0x90ab3b90U, 0x88830b88U,
++ 0x46ca8c46U, 0xee29c7eeU, 0xb8d36bb8U, 0x143c2814U,
++ 0xde79a7deU, 0x5ee2bc5eU, 0x0b1d160bU, 0xdb76addbU,
++ 0xe03bdbe0U, 0x32566432U, 0x3a4e743aU, 0x0a1e140aU,
++ 0x49db9249U, 0x060a0c06U, 0x246c4824U, 0x5ce4b85cU,
++ 0xc25d9fc2U, 0xd36ebdd3U, 0xacef43acU, 0x62a6c462U,
++ 0x91a83991U, 0x95a43195U, 0xe437d3e4U, 0x798bf279U,
++ 0xe732d5e7U, 0xc8438bc8U, 0x37596e37U, 0x6db7da6dU,
++ 0x8d8c018dU, 0xd564b1d5U, 0x4ed29c4eU, 0xa9e049a9U,
++ 0x6cb4d86cU, 0x56faac56U, 0xf407f3f4U, 0xea25cfeaU,
++ 0x65afca65U, 0x7a8ef47aU, 0xaee947aeU, 0x08181008U,
++ 0xbad56fbaU, 0x7888f078U, 0x256f4a25U, 0x2e725c2eU,
++ 0x1c24381cU, 0xa6f157a6U, 0xb4c773b4U, 0xc65197c6U,
++ 0xe823cbe8U, 0xdd7ca1ddU, 0x749ce874U, 0x1f213e1fU,
++ 0x4bdd964bU, 0xbddc61bdU, 0x8b860d8bU, 0x8a850f8aU,
++ 0x7090e070U, 0x3e427c3eU, 0xb5c471b5U, 0x66aacc66U,
++ 0x48d89048U, 0x03050603U, 0xf601f7f6U, 0x0e121c0eU,
++ 0x61a3c261U, 0x355f6a35U, 0x57f9ae57U, 0xb9d069b9U,
++ 0x86911786U, 0xc15899c1U, 0x1d273a1dU, 0x9eb9279eU,
++ 0xe138d9e1U, 0xf813ebf8U, 0x98b32b98U, 0x11332211U,
++ 0x69bbd269U, 0xd970a9d9U, 0x8e89078eU, 0x94a73394U,
++ 0x9bb62d9bU, 0x1e223c1eU, 0x87921587U, 0xe920c9e9U,
++ 0xce4987ceU, 0x55ffaa55U, 0x28785028U, 0xdf7aa5dfU,
++ 0x8c8f038cU, 0xa1f859a1U, 0x89800989U, 0x0d171a0dU,
++ 0xbfda65bfU, 0xe631d7e6U, 0x42c68442U, 0x68b8d068U,
++ 0x41c38241U, 0x99b02999U, 0x2d775a2dU, 0x0f111e0fU,
++ 0xb0cb7bb0U, 0x54fca854U, 0xbbd66dbbU, 0x163a2c16U,
+ };
+-static const u32 Te3[256] = {++static u32 Te3[256] = {+
+- 0x6363a5c6U, 0x7c7c84f8U, 0x777799eeU, 0x7b7b8df6U,
+- 0xf2f20dffU, 0x6b6bbdd6U, 0x6f6fb1deU, 0xc5c55491U,
+- 0x30305060U, 0x01010302U, 0x6767a9ceU, 0x2b2b7d56U,
+- 0xfefe19e7U, 0xd7d762b5U, 0xababe64dU, 0x76769aecU,
+- 0xcaca458fU, 0x82829d1fU, 0xc9c94089U, 0x7d7d87faU,
+- 0xfafa15efU, 0x5959ebb2U, 0x4747c98eU, 0xf0f00bfbU,
+- 0xadadec41U, 0xd4d467b3U, 0xa2a2fd5fU, 0xafafea45U,
+- 0x9c9cbf23U, 0xa4a4f753U, 0x727296e4U, 0xc0c05b9bU,
+- 0xb7b7c275U, 0xfdfd1ce1U, 0x9393ae3dU, 0x26266a4cU,
+- 0x36365a6cU, 0x3f3f417eU, 0xf7f702f5U, 0xcccc4f83U,
+- 0x34345c68U, 0xa5a5f451U, 0xe5e534d1U, 0xf1f108f9U,
+- 0x717193e2U, 0xd8d873abU, 0x31315362U, 0x15153f2aU,
+- 0x04040c08U, 0xc7c75295U, 0x23236546U, 0xc3c35e9dU,
+- 0x18182830U, 0x9696a137U, 0x05050f0aU, 0x9a9ab52fU,
+- 0x0707090eU, 0x12123624U, 0x80809b1bU, 0xe2e23ddfU,
+- 0xebeb26cdU, 0x2727694eU, 0xb2b2cd7fU, 0x75759feaU,
+- 0x09091b12U, 0x83839e1dU, 0x2c2c7458U, 0x1a1a2e34U,
+- 0x1b1b2d36U, 0x6e6eb2dcU, 0x5a5aeeb4U, 0xa0a0fb5bU,
+- 0x5252f6a4U, 0x3b3b4d76U, 0xd6d661b7U, 0xb3b3ce7dU,
+- 0x29297b52U, 0xe3e33eddU, 0x2f2f715eU, 0x84849713U,
+- 0x5353f5a6U, 0xd1d168b9U, 0x00000000U, 0xeded2cc1U,
+- 0x20206040U, 0xfcfc1fe3U, 0xb1b1c879U, 0x5b5bedb6U,
+- 0x6a6abed4U, 0xcbcb468dU, 0xbebed967U, 0x39394b72U,
+- 0x4a4ade94U, 0x4c4cd498U, 0x5858e8b0U, 0xcfcf4a85U,
+- 0xd0d06bbbU, 0xefef2ac5U, 0xaaaae54fU, 0xfbfb16edU,
+- 0x4343c586U, 0x4d4dd79aU, 0x33335566U, 0x85859411U,
+- 0x4545cf8aU, 0xf9f910e9U, 0x02020604U, 0x7f7f81feU,
+- 0x5050f0a0U, 0x3c3c4478U, 0x9f9fba25U, 0xa8a8e34bU,
+- 0x5151f3a2U, 0xa3a3fe5dU, 0x4040c080U, 0x8f8f8a05U,
+- 0x9292ad3fU, 0x9d9dbc21U, 0x38384870U, 0xf5f504f1U,
+- 0xbcbcdf63U, 0xb6b6c177U, 0xdada75afU, 0x21216342U,
+- 0x10103020U, 0xffff1ae5U, 0xf3f30efdU, 0xd2d26dbfU,
+- 0xcdcd4c81U, 0x0c0c1418U, 0x13133526U, 0xecec2fc3U,
+- 0x5f5fe1beU, 0x9797a235U, 0x4444cc88U, 0x1717392eU,
+- 0xc4c45793U, 0xa7a7f255U, 0x7e7e82fcU, 0x3d3d477aU,
+- 0x6464acc8U, 0x5d5de7baU, 0x19192b32U, 0x737395e6U,
+- 0x6060a0c0U, 0x81819819U, 0x4f4fd19eU, 0xdcdc7fa3U,
+- 0x22226644U, 0x2a2a7e54U, 0x9090ab3bU, 0x8888830bU,
+- 0x4646ca8cU, 0xeeee29c7U, 0xb8b8d36bU, 0x14143c28U,
+- 0xdede79a7U, 0x5e5ee2bcU, 0x0b0b1d16U, 0xdbdb76adU,
+- 0xe0e03bdbU, 0x32325664U, 0x3a3a4e74U, 0x0a0a1e14U,
+- 0x4949db92U, 0x06060a0cU, 0x24246c48U, 0x5c5ce4b8U,
+- 0xc2c25d9fU, 0xd3d36ebdU, 0xacacef43U, 0x6262a6c4U,
+- 0x9191a839U, 0x9595a431U, 0xe4e437d3U, 0x79798bf2U,
+- 0xe7e732d5U, 0xc8c8438bU, 0x3737596eU, 0x6d6db7daU,
+- 0x8d8d8c01U, 0xd5d564b1U, 0x4e4ed29cU, 0xa9a9e049U,
+- 0x6c6cb4d8U, 0x5656faacU, 0xf4f407f3U, 0xeaea25cfU,
+- 0x6565afcaU, 0x7a7a8ef4U, 0xaeaee947U, 0x08081810U,
+- 0xbabad56fU, 0x787888f0U, 0x25256f4aU, 0x2e2e725cU,
+- 0x1c1c2438U, 0xa6a6f157U, 0xb4b4c773U, 0xc6c65197U,
+- 0xe8e823cbU, 0xdddd7ca1U, 0x74749ce8U, 0x1f1f213eU,
+- 0x4b4bdd96U, 0xbdbddc61U, 0x8b8b860dU, 0x8a8a850fU,
+- 0x707090e0U, 0x3e3e427cU, 0xb5b5c471U, 0x6666aaccU,
+- 0x4848d890U, 0x03030506U, 0xf6f601f7U, 0x0e0e121cU,
+- 0x6161a3c2U, 0x35355f6aU, 0x5757f9aeU, 0xb9b9d069U,
+- 0x86869117U, 0xc1c15899U, 0x1d1d273aU, 0x9e9eb927U,
+- 0xe1e138d9U, 0xf8f813ebU, 0x9898b32bU, 0x11113322U,
+- 0x6969bbd2U, 0xd9d970a9U, 0x8e8e8907U, 0x9494a733U,
+- 0x9b9bb62dU, 0x1e1e223cU, 0x87879215U, 0xe9e920c9U,
+- 0xcece4987U, 0x5555ffaaU, 0x28287850U, 0xdfdf7aa5U,
+- 0x8c8c8f03U, 0xa1a1f859U, 0x89898009U, 0x0d0d171aU,
+- 0xbfbfda65U, 0xe6e631d7U, 0x4242c684U, 0x6868b8d0U,
+- 0x4141c382U, 0x9999b029U, 0x2d2d775aU, 0x0f0f111eU,
+- 0xb0b0cb7bU, 0x5454fca8U, 0xbbbbd66dU, 0x16163a2cU,
++ 0x6363a5c6U, 0x7c7c84f8U, 0x777799eeU, 0x7b7b8df6U,
++ 0xf2f20dffU, 0x6b6bbdd6U, 0x6f6fb1deU, 0xc5c55491U,
++ 0x30305060U, 0x01010302U, 0x6767a9ceU, 0x2b2b7d56U,
++ 0xfefe19e7U, 0xd7d762b5U, 0xababe64dU, 0x76769aecU,
++ 0xcaca458fU, 0x82829d1fU, 0xc9c94089U, 0x7d7d87faU,
++ 0xfafa15efU, 0x5959ebb2U, 0x4747c98eU, 0xf0f00bfbU,
++ 0xadadec41U, 0xd4d467b3U, 0xa2a2fd5fU, 0xafafea45U,
++ 0x9c9cbf23U, 0xa4a4f753U, 0x727296e4U, 0xc0c05b9bU,
++ 0xb7b7c275U, 0xfdfd1ce1U, 0x9393ae3dU, 0x26266a4cU,
++ 0x36365a6cU, 0x3f3f417eU, 0xf7f702f5U, 0xcccc4f83U,
++ 0x34345c68U, 0xa5a5f451U, 0xe5e534d1U, 0xf1f108f9U,
++ 0x717193e2U, 0xd8d873abU, 0x31315362U, 0x15153f2aU,
++ 0x04040c08U, 0xc7c75295U, 0x23236546U, 0xc3c35e9dU,
++ 0x18182830U, 0x9696a137U, 0x05050f0aU, 0x9a9ab52fU,
++ 0x0707090eU, 0x12123624U, 0x80809b1bU, 0xe2e23ddfU,
++ 0xebeb26cdU, 0x2727694eU, 0xb2b2cd7fU, 0x75759feaU,
++ 0x09091b12U, 0x83839e1dU, 0x2c2c7458U, 0x1a1a2e34U,
++ 0x1b1b2d36U, 0x6e6eb2dcU, 0x5a5aeeb4U, 0xa0a0fb5bU,
++ 0x5252f6a4U, 0x3b3b4d76U, 0xd6d661b7U, 0xb3b3ce7dU,
++ 0x29297b52U, 0xe3e33eddU, 0x2f2f715eU, 0x84849713U,
++ 0x5353f5a6U, 0xd1d168b9U, 0x00000000U, 0xeded2cc1U,
++ 0x20206040U, 0xfcfc1fe3U, 0xb1b1c879U, 0x5b5bedb6U,
++ 0x6a6abed4U, 0xcbcb468dU, 0xbebed967U, 0x39394b72U,
++ 0x4a4ade94U, 0x4c4cd498U, 0x5858e8b0U, 0xcfcf4a85U,
++ 0xd0d06bbbU, 0xefef2ac5U, 0xaaaae54fU, 0xfbfb16edU,
++ 0x4343c586U, 0x4d4dd79aU, 0x33335566U, 0x85859411U,
++ 0x4545cf8aU, 0xf9f910e9U, 0x02020604U, 0x7f7f81feU,
++ 0x5050f0a0U, 0x3c3c4478U, 0x9f9fba25U, 0xa8a8e34bU,
++ 0x5151f3a2U, 0xa3a3fe5dU, 0x4040c080U, 0x8f8f8a05U,
++ 0x9292ad3fU, 0x9d9dbc21U, 0x38384870U, 0xf5f504f1U,
++ 0xbcbcdf63U, 0xb6b6c177U, 0xdada75afU, 0x21216342U,
++ 0x10103020U, 0xffff1ae5U, 0xf3f30efdU, 0xd2d26dbfU,
++ 0xcdcd4c81U, 0x0c0c1418U, 0x13133526U, 0xecec2fc3U,
++ 0x5f5fe1beU, 0x9797a235U, 0x4444cc88U, 0x1717392eU,
++ 0xc4c45793U, 0xa7a7f255U, 0x7e7e82fcU, 0x3d3d477aU,
++ 0x6464acc8U, 0x5d5de7baU, 0x19192b32U, 0x737395e6U,
++ 0x6060a0c0U, 0x81819819U, 0x4f4fd19eU, 0xdcdc7fa3U,
++ 0x22226644U, 0x2a2a7e54U, 0x9090ab3bU, 0x8888830bU,
++ 0x4646ca8cU, 0xeeee29c7U, 0xb8b8d36bU, 0x14143c28U,
++ 0xdede79a7U, 0x5e5ee2bcU, 0x0b0b1d16U, 0xdbdb76adU,
++ 0xe0e03bdbU, 0x32325664U, 0x3a3a4e74U, 0x0a0a1e14U,
++ 0x4949db92U, 0x06060a0cU, 0x24246c48U, 0x5c5ce4b8U,
++ 0xc2c25d9fU, 0xd3d36ebdU, 0xacacef43U, 0x6262a6c4U,
++ 0x9191a839U, 0x9595a431U, 0xe4e437d3U, 0x79798bf2U,
++ 0xe7e732d5U, 0xc8c8438bU, 0x3737596eU, 0x6d6db7daU,
++ 0x8d8d8c01U, 0xd5d564b1U, 0x4e4ed29cU, 0xa9a9e049U,
++ 0x6c6cb4d8U, 0x5656faacU, 0xf4f407f3U, 0xeaea25cfU,
++ 0x6565afcaU, 0x7a7a8ef4U, 0xaeaee947U, 0x08081810U,
++ 0xbabad56fU, 0x787888f0U, 0x25256f4aU, 0x2e2e725cU,
++ 0x1c1c2438U, 0xa6a6f157U, 0xb4b4c773U, 0xc6c65197U,
++ 0xe8e823cbU, 0xdddd7ca1U, 0x74749ce8U, 0x1f1f213eU,
++ 0x4b4bdd96U, 0xbdbddc61U, 0x8b8b860dU, 0x8a8a850fU,
++ 0x707090e0U, 0x3e3e427cU, 0xb5b5c471U, 0x6666aaccU,
++ 0x4848d890U, 0x03030506U, 0xf6f601f7U, 0x0e0e121cU,
++ 0x6161a3c2U, 0x35355f6aU, 0x5757f9aeU, 0xb9b9d069U,
++ 0x86869117U, 0xc1c15899U, 0x1d1d273aU, 0x9e9eb927U,
++ 0xe1e138d9U, 0xf8f813ebU, 0x9898b32bU, 0x11113322U,
++ 0x6969bbd2U, 0xd9d970a9U, 0x8e8e8907U, 0x9494a733U,
++ 0x9b9bb62dU, 0x1e1e223cU, 0x87879215U, 0xe9e920c9U,
++ 0xcece4987U, 0x5555ffaaU, 0x28287850U, 0xdfdf7aa5U,
++ 0x8c8c8f03U, 0xa1a1f859U, 0x89898009U, 0x0d0d171aU,
++ 0xbfbfda65U, 0xe6e631d7U, 0x4242c684U, 0x6868b8d0U,
++ 0x4141c382U, 0x9999b029U, 0x2d2d775aU, 0x0f0f111eU,
++ 0xb0b0cb7bU, 0x5454fca8U, 0xbbbbd66dU, 0x16163a2cU,
+ };
+-static const u8 Te4[256] = {+- 0x63U, 0x7cU, 0x77U, 0x7bU,
+- 0xf2U, 0x6bU, 0x6fU, 0xc5U,
+- 0x30U, 0x01U, 0x67U, 0x2bU,
+- 0xfeU, 0xd7U, 0xabU, 0x76U,
+- 0xcaU, 0x82U, 0xc9U, 0x7dU,
+- 0xfaU, 0x59U, 0x47U, 0xf0U,
+- 0xadU, 0xd4U, 0xa2U, 0xafU,
+- 0x9cU, 0xa4U, 0x72U, 0xc0U,
+- 0xb7U, 0xfdU, 0x93U, 0x26U,
+- 0x36U, 0x3fU, 0xf7U, 0xccU,
+- 0x34U, 0xa5U, 0xe5U, 0xf1U,
+- 0x71U, 0xd8U, 0x31U, 0x15U,
+- 0x04U, 0xc7U, 0x23U, 0xc3U,
+- 0x18U, 0x96U, 0x05U, 0x9aU,
+- 0x07U, 0x12U, 0x80U, 0xe2U,
+- 0xebU, 0x27U, 0xb2U, 0x75U,
+- 0x09U, 0x83U, 0x2cU, 0x1aU,
+- 0x1bU, 0x6eU, 0x5aU, 0xa0U,
+- 0x52U, 0x3bU, 0xd6U, 0xb3U,
+- 0x29U, 0xe3U, 0x2fU, 0x84U,
+- 0x53U, 0xd1U, 0x00U, 0xedU,
+- 0x20U, 0xfcU, 0xb1U, 0x5bU,
+- 0x6aU, 0xcbU, 0xbeU, 0x39U,
+- 0x4aU, 0x4cU, 0x58U, 0xcfU,
+- 0xd0U, 0xefU, 0xaaU, 0xfbU,
+- 0x43U, 0x4dU, 0x33U, 0x85U,
+- 0x45U, 0xf9U, 0x02U, 0x7fU,
+- 0x50U, 0x3cU, 0x9fU, 0xa8U,
+- 0x51U, 0xa3U, 0x40U, 0x8fU,
+- 0x92U, 0x9dU, 0x38U, 0xf5U,
+- 0xbcU, 0xb6U, 0xdaU, 0x21U,
+- 0x10U, 0xffU, 0xf3U, 0xd2U,
+- 0xcdU, 0x0cU, 0x13U, 0xecU,
+- 0x5fU, 0x97U, 0x44U, 0x17U,
+- 0xc4U, 0xa7U, 0x7eU, 0x3dU,
+- 0x64U, 0x5dU, 0x19U, 0x73U,
+- 0x60U, 0x81U, 0x4fU, 0xdcU,
+- 0x22U, 0x2aU, 0x90U, 0x88U,
+- 0x46U, 0xeeU, 0xb8U, 0x14U,
+- 0xdeU, 0x5eU, 0x0bU, 0xdbU,
+- 0xe0U, 0x32U, 0x3aU, 0x0aU,
+- 0x49U, 0x06U, 0x24U, 0x5cU,
+- 0xc2U, 0xd3U, 0xacU, 0x62U,
+- 0x91U, 0x95U, 0xe4U, 0x79U,
+- 0xe7U, 0xc8U, 0x37U, 0x6dU,
+- 0x8dU, 0xd5U, 0x4eU, 0xa9U,
+- 0x6cU, 0x56U, 0xf4U, 0xeaU,
+- 0x65U, 0x7aU, 0xaeU, 0x08U,
+- 0xbaU, 0x78U, 0x25U, 0x2eU,
+- 0x1cU, 0xa6U, 0xb4U, 0xc6U,
+- 0xe8U, 0xddU, 0x74U, 0x1fU,
+- 0x4bU, 0xbdU, 0x8bU, 0x8aU,
+- 0x70U, 0x3eU, 0xb5U, 0x66U,
+- 0x48U, 0x03U, 0xf6U, 0x0eU,
+- 0x61U, 0x35U, 0x57U, 0xb9U,
+- 0x86U, 0xc1U, 0x1dU, 0x9eU,
+- 0xe1U, 0xf8U, 0x98U, 0x11U,
+- 0x69U, 0xd9U, 0x8eU, 0x94U,
+- 0x9bU, 0x1eU, 0x87U, 0xe9U,
+- 0xceU, 0x55U, 0x28U, 0xdfU,
+- 0x8cU, 0xa1U, 0x89U, 0x0dU,
+- 0xbfU, 0xe6U, 0x42U, 0x68U,
+- 0x41U, 0x99U, 0x2dU, 0x0fU,
+- 0xb0U, 0x54U, 0xbbU, 0x16U,
++static u8 Te4[256] = {++ 0x63U, 0x7cU, 0x77U, 0x7bU,
++ 0xf2U, 0x6bU, 0x6fU, 0xc5U,
++ 0x30U, 0x01U, 0x67U, 0x2bU,
++ 0xfeU, 0xd7U, 0xabU, 0x76U,
++ 0xcaU, 0x82U, 0xc9U, 0x7dU,
++ 0xfaU, 0x59U, 0x47U, 0xf0U,
++ 0xadU, 0xd4U, 0xa2U, 0xafU,
++ 0x9cU, 0xa4U, 0x72U, 0xc0U,
++ 0xb7U, 0xfdU, 0x93U, 0x26U,
++ 0x36U, 0x3fU, 0xf7U, 0xccU,
++ 0x34U, 0xa5U, 0xe5U, 0xf1U,
++ 0x71U, 0xd8U, 0x31U, 0x15U,
++ 0x04U, 0xc7U, 0x23U, 0xc3U,
++ 0x18U, 0x96U, 0x05U, 0x9aU,
++ 0x07U, 0x12U, 0x80U, 0xe2U,
++ 0xebU, 0x27U, 0xb2U, 0x75U,
++ 0x09U, 0x83U, 0x2cU, 0x1aU,
++ 0x1bU, 0x6eU, 0x5aU, 0xa0U,
++ 0x52U, 0x3bU, 0xd6U, 0xb3U,
++ 0x29U, 0xe3U, 0x2fU, 0x84U,
++ 0x53U, 0xd1U, 0x00U, 0xedU,
++ 0x20U, 0xfcU, 0xb1U, 0x5bU,
++ 0x6aU, 0xcbU, 0xbeU, 0x39U,
++ 0x4aU, 0x4cU, 0x58U, 0xcfU,
++ 0xd0U, 0xefU, 0xaaU, 0xfbU,
++ 0x43U, 0x4dU, 0x33U, 0x85U,
++ 0x45U, 0xf9U, 0x02U, 0x7fU,
++ 0x50U, 0x3cU, 0x9fU, 0xa8U,
++ 0x51U, 0xa3U, 0x40U, 0x8fU,
++ 0x92U, 0x9dU, 0x38U, 0xf5U,
++ 0xbcU, 0xb6U, 0xdaU, 0x21U,
++ 0x10U, 0xffU, 0xf3U, 0xd2U,
++ 0xcdU, 0x0cU, 0x13U, 0xecU,
++ 0x5fU, 0x97U, 0x44U, 0x17U,
++ 0xc4U, 0xa7U, 0x7eU, 0x3dU,
++ 0x64U, 0x5dU, 0x19U, 0x73U,
++ 0x60U, 0x81U, 0x4fU, 0xdcU,
++ 0x22U, 0x2aU, 0x90U, 0x88U,
++ 0x46U, 0xeeU, 0xb8U, 0x14U,
++ 0xdeU, 0x5eU, 0x0bU, 0xdbU,
++ 0xe0U, 0x32U, 0x3aU, 0x0aU,
++ 0x49U, 0x06U, 0x24U, 0x5cU,
++ 0xc2U, 0xd3U, 0xacU, 0x62U,
++ 0x91U, 0x95U, 0xe4U, 0x79U,
++ 0xe7U, 0xc8U, 0x37U, 0x6dU,
++ 0x8dU, 0xd5U, 0x4eU, 0xa9U,
++ 0x6cU, 0x56U, 0xf4U, 0xeaU,
++ 0x65U, 0x7aU, 0xaeU, 0x08U,
++ 0xbaU, 0x78U, 0x25U, 0x2eU,
++ 0x1cU, 0xa6U, 0xb4U, 0xc6U,
++ 0xe8U, 0xddU, 0x74U, 0x1fU,
++ 0x4bU, 0xbdU, 0x8bU, 0x8aU,
++ 0x70U, 0x3eU, 0xb5U, 0x66U,
++ 0x48U, 0x03U, 0xf6U, 0x0eU,
++ 0x61U, 0x35U, 0x57U, 0xb9U,
++ 0x86U, 0xc1U, 0x1dU, 0x9eU,
++ 0xe1U, 0xf8U, 0x98U, 0x11U,
++ 0x69U, 0xd9U, 0x8eU, 0x94U,
++ 0x9bU, 0x1eU, 0x87U, 0xe9U,
++ 0xceU, 0x55U, 0x28U, 0xdfU,
++ 0x8cU, 0xa1U, 0x89U, 0x0dU,
++ 0xbfU, 0xe6U, 0x42U, 0x68U,
++ 0x41U, 0x99U, 0x2dU, 0x0fU,
++ 0xb0U, 0x54U, 0xbbU, 0x16U,
+ };
+-static const u32 Td0[256] = {+- 0x51f4a750U, 0x7e416553U, 0x1a17a4c3U, 0x3a275e96U,
+- 0x3bab6bcbU, 0x1f9d45f1U, 0xacfa58abU, 0x4be30393U,
+- 0x2030fa55U, 0xad766df6U, 0x88cc7691U, 0xf5024c25U,
+- 0x4fe5d7fcU, 0xc52acbd7U, 0x26354480U, 0xb562a38fU,
+- 0xdeb15a49U, 0x25ba1b67U, 0x45ea0e98U, 0x5dfec0e1U,
+- 0xc32f7502U, 0x814cf012U, 0x8d4697a3U, 0x6bd3f9c6U,
+- 0x038f5fe7U, 0x15929c95U, 0xbf6d7aebU, 0x955259daU,
+- 0xd4be832dU, 0x587421d3U, 0x49e06929U, 0x8ec9c844U,
+- 0x75c2896aU, 0xf48e7978U, 0x99583e6bU, 0x27b971ddU,
+- 0xbee14fb6U, 0xf088ad17U, 0xc920ac66U, 0x7dce3ab4U,
+- 0x63df4a18U, 0xe51a3182U, 0x97513360U, 0x62537f45U,
+- 0xb16477e0U, 0xbb6bae84U, 0xfe81a01cU, 0xf9082b94U,
+- 0x70486858U, 0x8f45fd19U, 0x94de6c87U, 0x527bf8b7U,
+- 0xab73d323U, 0x724b02e2U, 0xe31f8f57U, 0x6655ab2aU,
+- 0xb2eb2807U, 0x2fb5c203U, 0x86c57b9aU, 0xd33708a5U,
+- 0x302887f2U, 0x23bfa5b2U, 0x02036abaU, 0xed16825cU,
+- 0x8acf1c2bU, 0xa779b492U, 0xf307f2f0U, 0x4e69e2a1U,
+- 0x65daf4cdU, 0x0605bed5U, 0xd134621fU, 0xc4a6fe8aU,
+- 0x342e539dU, 0xa2f355a0U, 0x058ae132U, 0xa4f6eb75U,
+- 0x0b83ec39U, 0x4060efaaU, 0x5e719f06U, 0xbd6e1051U,
+- 0x3e218af9U, 0x96dd063dU, 0xdd3e05aeU, 0x4de6bd46U,
+- 0x91548db5U, 0x71c45d05U, 0x0406d46fU, 0x605015ffU,
+- 0x1998fb24U, 0xd6bde997U, 0x894043ccU, 0x67d99e77U,
+- 0xb0e842bdU, 0x07898b88U, 0xe7195b38U, 0x79c8eedbU,
+- 0xa17c0a47U, 0x7c420fe9U, 0xf8841ec9U, 0x00000000U,
+- 0x09808683U, 0x322bed48U, 0x1e1170acU, 0x6c5a724eU,
+- 0xfd0efffbU, 0x0f853856U, 0x3daed51eU, 0x362d3927U,
+- 0x0a0fd964U, 0x685ca621U, 0x9b5b54d1U, 0x24362e3aU,
+- 0x0c0a67b1U, 0x9357e70fU, 0xb4ee96d2U, 0x1b9b919eU,
+- 0x80c0c54fU, 0x61dc20a2U, 0x5a774b69U, 0x1c121a16U,
+- 0xe293ba0aU, 0xc0a02ae5U, 0x3c22e043U, 0x121b171dU,
+- 0x0e090d0bU, 0xf28bc7adU, 0x2db6a8b9U, 0x141ea9c8U,
+- 0x57f11985U, 0xaf75074cU, 0xee99ddbbU, 0xa37f60fdU,
+- 0xf701269fU, 0x5c72f5bcU, 0x44663bc5U, 0x5bfb7e34U,
+- 0x8b432976U, 0xcb23c6dcU, 0xb6edfc68U, 0xb8e4f163U,
+- 0xd731dccaU, 0x42638510U, 0x13972240U, 0x84c61120U,
+- 0x854a247dU, 0xd2bb3df8U, 0xaef93211U, 0xc729a16dU,
+- 0x1d9e2f4bU, 0xdcb230f3U, 0x0d8652ecU, 0x77c1e3d0U,
+- 0x2bb3166cU, 0xa970b999U, 0x119448faU, 0x47e96422U,
+- 0xa8fc8cc4U, 0xa0f03f1aU, 0x567d2cd8U, 0x223390efU,
+- 0x87494ec7U, 0xd938d1c1U, 0x8ccaa2feU, 0x98d40b36U,
+- 0xa6f581cfU, 0xa57ade28U, 0xdab78e26U, 0x3fadbfa4U,
+- 0x2c3a9de4U, 0x5078920dU, 0x6a5fcc9bU, 0x547e4662U,
+- 0xf68d13c2U, 0x90d8b8e8U, 0x2e39f75eU, 0x82c3aff5U,
+- 0x9f5d80beU, 0x69d0937cU, 0x6fd52da9U, 0xcf2512b3U,
+- 0xc8ac993bU, 0x10187da7U, 0xe89c636eU, 0xdb3bbb7bU,
+- 0xcd267809U, 0x6e5918f4U, 0xec9ab701U, 0x834f9aa8U,
+- 0xe6956e65U, 0xaaffe67eU, 0x21bccf08U, 0xef15e8e6U,
+- 0xbae79bd9U, 0x4a6f36ceU, 0xea9f09d4U, 0x29b07cd6U,
+- 0x31a4b2afU, 0x2a3f2331U, 0xc6a59430U, 0x35a266c0U,
+- 0x744ebc37U, 0xfc82caa6U, 0xe090d0b0U, 0x33a7d815U,
+- 0xf104984aU, 0x41ecdaf7U, 0x7fcd500eU, 0x1791f62fU,
+- 0x764dd68dU, 0x43efb04dU, 0xccaa4d54U, 0xe49604dfU,
+- 0x9ed1b5e3U, 0x4c6a881bU, 0xc12c1fb8U, 0x4665517fU,
+- 0x9d5eea04U, 0x018c355dU, 0xfa877473U, 0xfb0b412eU,
+- 0xb3671d5aU, 0x92dbd252U, 0xe9105633U, 0x6dd64713U,
+- 0x9ad7618cU, 0x37a10c7aU, 0x59f8148eU, 0xeb133c89U,
+- 0xcea927eeU, 0xb761c935U, 0xe11ce5edU, 0x7a47b13cU,
+- 0x9cd2df59U, 0x55f2733fU, 0x1814ce79U, 0x73c737bfU,
+- 0x53f7cdeaU, 0x5ffdaa5bU, 0xdf3d6f14U, 0x7844db86U,
+- 0xcaaff381U, 0xb968c43eU, 0x3824342cU, 0xc2a3405fU,
+- 0x161dc372U, 0xbce2250cU, 0x283c498bU, 0xff0d9541U,
+- 0x39a80171U, 0x080cb3deU, 0xd8b4e49cU, 0x6456c190U,
+- 0x7bcb8461U, 0xd532b670U, 0x486c5c74U, 0xd0b85742U,
++static u32 Td0[256] = {++ 0x51f4a750U, 0x7e416553U, 0x1a17a4c3U, 0x3a275e96U,
++ 0x3bab6bcbU, 0x1f9d45f1U, 0xacfa58abU, 0x4be30393U,
++ 0x2030fa55U, 0xad766df6U, 0x88cc7691U, 0xf5024c25U,
++ 0x4fe5d7fcU, 0xc52acbd7U, 0x26354480U, 0xb562a38fU,
++ 0xdeb15a49U, 0x25ba1b67U, 0x45ea0e98U, 0x5dfec0e1U,
++ 0xc32f7502U, 0x814cf012U, 0x8d4697a3U, 0x6bd3f9c6U,
++ 0x038f5fe7U, 0x15929c95U, 0xbf6d7aebU, 0x955259daU,
++ 0xd4be832dU, 0x587421d3U, 0x49e06929U, 0x8ec9c844U,
++ 0x75c2896aU, 0xf48e7978U, 0x99583e6bU, 0x27b971ddU,
++ 0xbee14fb6U, 0xf088ad17U, 0xc920ac66U, 0x7dce3ab4U,
++ 0x63df4a18U, 0xe51a3182U, 0x97513360U, 0x62537f45U,
++ 0xb16477e0U, 0xbb6bae84U, 0xfe81a01cU, 0xf9082b94U,
++ 0x70486858U, 0x8f45fd19U, 0x94de6c87U, 0x527bf8b7U,
++ 0xab73d323U, 0x724b02e2U, 0xe31f8f57U, 0x6655ab2aU,
++ 0xb2eb2807U, 0x2fb5c203U, 0x86c57b9aU, 0xd33708a5U,
++ 0x302887f2U, 0x23bfa5b2U, 0x02036abaU, 0xed16825cU,
++ 0x8acf1c2bU, 0xa779b492U, 0xf307f2f0U, 0x4e69e2a1U,
++ 0x65daf4cdU, 0x0605bed5U, 0xd134621fU, 0xc4a6fe8aU,
++ 0x342e539dU, 0xa2f355a0U, 0x058ae132U, 0xa4f6eb75U,
++ 0x0b83ec39U, 0x4060efaaU, 0x5e719f06U, 0xbd6e1051U,
++ 0x3e218af9U, 0x96dd063dU, 0xdd3e05aeU, 0x4de6bd46U,
++ 0x91548db5U, 0x71c45d05U, 0x0406d46fU, 0x605015ffU,
++ 0x1998fb24U, 0xd6bde997U, 0x894043ccU, 0x67d99e77U,
++ 0xb0e842bdU, 0x07898b88U, 0xe7195b38U, 0x79c8eedbU,
++ 0xa17c0a47U, 0x7c420fe9U, 0xf8841ec9U, 0x00000000U,
++ 0x09808683U, 0x322bed48U, 0x1e1170acU, 0x6c5a724eU,
++ 0xfd0efffbU, 0x0f853856U, 0x3daed51eU, 0x362d3927U,
++ 0x0a0fd964U, 0x685ca621U, 0x9b5b54d1U, 0x24362e3aU,
++ 0x0c0a67b1U, 0x9357e70fU, 0xb4ee96d2U, 0x1b9b919eU,
++ 0x80c0c54fU, 0x61dc20a2U, 0x5a774b69U, 0x1c121a16U,
++ 0xe293ba0aU, 0xc0a02ae5U, 0x3c22e043U, 0x121b171dU,
++ 0x0e090d0bU, 0xf28bc7adU, 0x2db6a8b9U, 0x141ea9c8U,
++ 0x57f11985U, 0xaf75074cU, 0xee99ddbbU, 0xa37f60fdU,
++ 0xf701269fU, 0x5c72f5bcU, 0x44663bc5U, 0x5bfb7e34U,
++ 0x8b432976U, 0xcb23c6dcU, 0xb6edfc68U, 0xb8e4f163U,
++ 0xd731dccaU, 0x42638510U, 0x13972240U, 0x84c61120U,
++ 0x854a247dU, 0xd2bb3df8U, 0xaef93211U, 0xc729a16dU,
++ 0x1d9e2f4bU, 0xdcb230f3U, 0x0d8652ecU, 0x77c1e3d0U,
++ 0x2bb3166cU, 0xa970b999U, 0x119448faU, 0x47e96422U,
++ 0xa8fc8cc4U, 0xa0f03f1aU, 0x567d2cd8U, 0x223390efU,
++ 0x87494ec7U, 0xd938d1c1U, 0x8ccaa2feU, 0x98d40b36U,
++ 0xa6f581cfU, 0xa57ade28U, 0xdab78e26U, 0x3fadbfa4U,
++ 0x2c3a9de4U, 0x5078920dU, 0x6a5fcc9bU, 0x547e4662U,
++ 0xf68d13c2U, 0x90d8b8e8U, 0x2e39f75eU, 0x82c3aff5U,
++ 0x9f5d80beU, 0x69d0937cU, 0x6fd52da9U, 0xcf2512b3U,
++ 0xc8ac993bU, 0x10187da7U, 0xe89c636eU, 0xdb3bbb7bU,
++ 0xcd267809U, 0x6e5918f4U, 0xec9ab701U, 0x834f9aa8U,
++ 0xe6956e65U, 0xaaffe67eU, 0x21bccf08U, 0xef15e8e6U,
++ 0xbae79bd9U, 0x4a6f36ceU, 0xea9f09d4U, 0x29b07cd6U,
++ 0x31a4b2afU, 0x2a3f2331U, 0xc6a59430U, 0x35a266c0U,
++ 0x744ebc37U, 0xfc82caa6U, 0xe090d0b0U, 0x33a7d815U,
++ 0xf104984aU, 0x41ecdaf7U, 0x7fcd500eU, 0x1791f62fU,
++ 0x764dd68dU, 0x43efb04dU, 0xccaa4d54U, 0xe49604dfU,
++ 0x9ed1b5e3U, 0x4c6a881bU, 0xc12c1fb8U, 0x4665517fU,
++ 0x9d5eea04U, 0x018c355dU, 0xfa877473U, 0xfb0b412eU,
++ 0xb3671d5aU, 0x92dbd252U, 0xe9105633U, 0x6dd64713U,
++ 0x9ad7618cU, 0x37a10c7aU, 0x59f8148eU, 0xeb133c89U,
++ 0xcea927eeU, 0xb761c935U, 0xe11ce5edU, 0x7a47b13cU,
++ 0x9cd2df59U, 0x55f2733fU, 0x1814ce79U, 0x73c737bfU,
++ 0x53f7cdeaU, 0x5ffdaa5bU, 0xdf3d6f14U, 0x7844db86U,
++ 0xcaaff381U, 0xb968c43eU, 0x3824342cU, 0xc2a3405fU,
++ 0x161dc372U, 0xbce2250cU, 0x283c498bU, 0xff0d9541U,
++ 0x39a80171U, 0x080cb3deU, 0xd8b4e49cU, 0x6456c190U,
++ 0x7bcb8461U, 0xd532b670U, 0x486c5c74U, 0xd0b85742U,
+ };
+-static const u32 Td1[256] = {+- 0x5051f4a7U, 0x537e4165U, 0xc31a17a4U, 0x963a275eU,
+- 0xcb3bab6bU, 0xf11f9d45U, 0xabacfa58U, 0x934be303U,
+- 0x552030faU, 0xf6ad766dU, 0x9188cc76U, 0x25f5024cU,
+- 0xfc4fe5d7U, 0xd7c52acbU, 0x80263544U, 0x8fb562a3U,
+- 0x49deb15aU, 0x6725ba1bU, 0x9845ea0eU, 0xe15dfec0U,
+- 0x02c32f75U, 0x12814cf0U, 0xa38d4697U, 0xc66bd3f9U,
+- 0xe7038f5fU, 0x9515929cU, 0xebbf6d7aU, 0xda955259U,
+- 0x2dd4be83U, 0xd3587421U, 0x2949e069U, 0x448ec9c8U,
+- 0x6a75c289U, 0x78f48e79U, 0x6b99583eU, 0xdd27b971U,
+- 0xb6bee14fU, 0x17f088adU, 0x66c920acU, 0xb47dce3aU,
+- 0x1863df4aU, 0x82e51a31U, 0x60975133U, 0x4562537fU,
+- 0xe0b16477U, 0x84bb6baeU, 0x1cfe81a0U, 0x94f9082bU,
+- 0x58704868U, 0x198f45fdU, 0x8794de6cU, 0xb7527bf8U,
+- 0x23ab73d3U, 0xe2724b02U, 0x57e31f8fU, 0x2a6655abU,
+- 0x07b2eb28U, 0x032fb5c2U, 0x9a86c57bU, 0xa5d33708U,
+- 0xf2302887U, 0xb223bfa5U, 0xba02036aU, 0x5ced1682U,
+- 0x2b8acf1cU, 0x92a779b4U, 0xf0f307f2U, 0xa14e69e2U,
+- 0xcd65daf4U, 0xd50605beU, 0x1fd13462U, 0x8ac4a6feU,
+- 0x9d342e53U, 0xa0a2f355U, 0x32058ae1U, 0x75a4f6ebU,
+- 0x390b83ecU, 0xaa4060efU, 0x065e719fU, 0x51bd6e10U,
+- 0xf93e218aU, 0x3d96dd06U, 0xaedd3e05U, 0x464de6bdU,
+- 0xb591548dU, 0x0571c45dU, 0x6f0406d4U, 0xff605015U,
+- 0x241998fbU, 0x97d6bde9U, 0xcc894043U, 0x7767d99eU,
+- 0xbdb0e842U, 0x8807898bU, 0x38e7195bU, 0xdb79c8eeU,
+- 0x47a17c0aU, 0xe97c420fU, 0xc9f8841eU, 0x00000000U,
+- 0x83098086U, 0x48322bedU, 0xac1e1170U, 0x4e6c5a72U,
+- 0xfbfd0effU, 0x560f8538U, 0x1e3daed5U, 0x27362d39U,
+- 0x640a0fd9U, 0x21685ca6U, 0xd19b5b54U, 0x3a24362eU,
+- 0xb10c0a67U, 0x0f9357e7U, 0xd2b4ee96U, 0x9e1b9b91U,
+- 0x4f80c0c5U, 0xa261dc20U, 0x695a774bU, 0x161c121aU,
+- 0x0ae293baU, 0xe5c0a02aU, 0x433c22e0U, 0x1d121b17U,
+- 0x0b0e090dU, 0xadf28bc7U, 0xb92db6a8U, 0xc8141ea9U,
+- 0x8557f119U, 0x4caf7507U, 0xbbee99ddU, 0xfda37f60U,
+- 0x9ff70126U, 0xbc5c72f5U, 0xc544663bU, 0x345bfb7eU,
+- 0x768b4329U, 0xdccb23c6U, 0x68b6edfcU, 0x63b8e4f1U,
+- 0xcad731dcU, 0x10426385U, 0x40139722U, 0x2084c611U,
+- 0x7d854a24U, 0xf8d2bb3dU, 0x11aef932U, 0x6dc729a1U,
+- 0x4b1d9e2fU, 0xf3dcb230U, 0xec0d8652U, 0xd077c1e3U,
+- 0x6c2bb316U, 0x99a970b9U, 0xfa119448U, 0x2247e964U,
+- 0xc4a8fc8cU, 0x1aa0f03fU, 0xd8567d2cU, 0xef223390U,
+- 0xc787494eU, 0xc1d938d1U, 0xfe8ccaa2U, 0x3698d40bU,
+- 0xcfa6f581U, 0x28a57adeU, 0x26dab78eU, 0xa43fadbfU,
+- 0xe42c3a9dU, 0x0d507892U, 0x9b6a5fccU, 0x62547e46U,
+- 0xc2f68d13U, 0xe890d8b8U, 0x5e2e39f7U, 0xf582c3afU,
+- 0xbe9f5d80U, 0x7c69d093U, 0xa96fd52dU, 0xb3cf2512U,
+- 0x3bc8ac99U, 0xa710187dU, 0x6ee89c63U, 0x7bdb3bbbU,
+- 0x09cd2678U, 0xf46e5918U, 0x01ec9ab7U, 0xa8834f9aU,
+- 0x65e6956eU, 0x7eaaffe6U, 0x0821bccfU, 0xe6ef15e8U,
+- 0xd9bae79bU, 0xce4a6f36U, 0xd4ea9f09U, 0xd629b07cU,
+- 0xaf31a4b2U, 0x312a3f23U, 0x30c6a594U, 0xc035a266U,
+- 0x37744ebcU, 0xa6fc82caU, 0xb0e090d0U, 0x1533a7d8U,
+- 0x4af10498U, 0xf741ecdaU, 0x0e7fcd50U, 0x2f1791f6U,
+- 0x8d764dd6U, 0x4d43efb0U, 0x54ccaa4dU, 0xdfe49604U,
+- 0xe39ed1b5U, 0x1b4c6a88U, 0xb8c12c1fU, 0x7f466551U,
+- 0x049d5eeaU, 0x5d018c35U, 0x73fa8774U, 0x2efb0b41U,
+- 0x5ab3671dU, 0x5292dbd2U, 0x33e91056U, 0x136dd647U,
+- 0x8c9ad761U, 0x7a37a10cU, 0x8e59f814U, 0x89eb133cU,
+- 0xeecea927U, 0x35b761c9U, 0xede11ce5U, 0x3c7a47b1U,
+- 0x599cd2dfU, 0x3f55f273U, 0x791814ceU, 0xbf73c737U,
+- 0xea53f7cdU, 0x5b5ffdaaU, 0x14df3d6fU, 0x867844dbU,
+- 0x81caaff3U, 0x3eb968c4U, 0x2c382434U, 0x5fc2a340U,
+- 0x72161dc3U, 0x0cbce225U, 0x8b283c49U, 0x41ff0d95U,
+- 0x7139a801U, 0xde080cb3U, 0x9cd8b4e4U, 0x906456c1U,
+- 0x617bcb84U, 0x70d532b6U, 0x74486c5cU, 0x42d0b857U,
++static u32 Td1[256] = {++ 0x5051f4a7U, 0x537e4165U, 0xc31a17a4U, 0x963a275eU,
++ 0xcb3bab6bU, 0xf11f9d45U, 0xabacfa58U, 0x934be303U,
++ 0x552030faU, 0xf6ad766dU, 0x9188cc76U, 0x25f5024cU,
++ 0xfc4fe5d7U, 0xd7c52acbU, 0x80263544U, 0x8fb562a3U,
++ 0x49deb15aU, 0x6725ba1bU, 0x9845ea0eU, 0xe15dfec0U,
++ 0x02c32f75U, 0x12814cf0U, 0xa38d4697U, 0xc66bd3f9U,
++ 0xe7038f5fU, 0x9515929cU, 0xebbf6d7aU, 0xda955259U,
++ 0x2dd4be83U, 0xd3587421U, 0x2949e069U, 0x448ec9c8U,
++ 0x6a75c289U, 0x78f48e79U, 0x6b99583eU, 0xdd27b971U,
++ 0xb6bee14fU, 0x17f088adU, 0x66c920acU, 0xb47dce3aU,
++ 0x1863df4aU, 0x82e51a31U, 0x60975133U, 0x4562537fU,
++ 0xe0b16477U, 0x84bb6baeU, 0x1cfe81a0U, 0x94f9082bU,
++ 0x58704868U, 0x198f45fdU, 0x8794de6cU, 0xb7527bf8U,
++ 0x23ab73d3U, 0xe2724b02U, 0x57e31f8fU, 0x2a6655abU,
++ 0x07b2eb28U, 0x032fb5c2U, 0x9a86c57bU, 0xa5d33708U,
++ 0xf2302887U, 0xb223bfa5U, 0xba02036aU, 0x5ced1682U,
++ 0x2b8acf1cU, 0x92a779b4U, 0xf0f307f2U, 0xa14e69e2U,
++ 0xcd65daf4U, 0xd50605beU, 0x1fd13462U, 0x8ac4a6feU,
++ 0x9d342e53U, 0xa0a2f355U, 0x32058ae1U, 0x75a4f6ebU,
++ 0x390b83ecU, 0xaa4060efU, 0x065e719fU, 0x51bd6e10U,
++ 0xf93e218aU, 0x3d96dd06U, 0xaedd3e05U, 0x464de6bdU,
++ 0xb591548dU, 0x0571c45dU, 0x6f0406d4U, 0xff605015U,
++ 0x241998fbU, 0x97d6bde9U, 0xcc894043U, 0x7767d99eU,
++ 0xbdb0e842U, 0x8807898bU, 0x38e7195bU, 0xdb79c8eeU,
++ 0x47a17c0aU, 0xe97c420fU, 0xc9f8841eU, 0x00000000U,
++ 0x83098086U, 0x48322bedU, 0xac1e1170U, 0x4e6c5a72U,
++ 0xfbfd0effU, 0x560f8538U, 0x1e3daed5U, 0x27362d39U,
++ 0x640a0fd9U, 0x21685ca6U, 0xd19b5b54U, 0x3a24362eU,
++ 0xb10c0a67U, 0x0f9357e7U, 0xd2b4ee96U, 0x9e1b9b91U,
++ 0x4f80c0c5U, 0xa261dc20U, 0x695a774bU, 0x161c121aU,
++ 0x0ae293baU, 0xe5c0a02aU, 0x433c22e0U, 0x1d121b17U,
++ 0x0b0e090dU, 0xadf28bc7U, 0xb92db6a8U, 0xc8141ea9U,
++ 0x8557f119U, 0x4caf7507U, 0xbbee99ddU, 0xfda37f60U,
++ 0x9ff70126U, 0xbc5c72f5U, 0xc544663bU, 0x345bfb7eU,
++ 0x768b4329U, 0xdccb23c6U, 0x68b6edfcU, 0x63b8e4f1U,
++ 0xcad731dcU, 0x10426385U, 0x40139722U, 0x2084c611U,
++ 0x7d854a24U, 0xf8d2bb3dU, 0x11aef932U, 0x6dc729a1U,
++ 0x4b1d9e2fU, 0xf3dcb230U, 0xec0d8652U, 0xd077c1e3U,
++ 0x6c2bb316U, 0x99a970b9U, 0xfa119448U, 0x2247e964U,
++ 0xc4a8fc8cU, 0x1aa0f03fU, 0xd8567d2cU, 0xef223390U,
++ 0xc787494eU, 0xc1d938d1U, 0xfe8ccaa2U, 0x3698d40bU,
++ 0xcfa6f581U, 0x28a57adeU, 0x26dab78eU, 0xa43fadbfU,
++ 0xe42c3a9dU, 0x0d507892U, 0x9b6a5fccU, 0x62547e46U,
++ 0xc2f68d13U, 0xe890d8b8U, 0x5e2e39f7U, 0xf582c3afU,
++ 0xbe9f5d80U, 0x7c69d093U, 0xa96fd52dU, 0xb3cf2512U,
++ 0x3bc8ac99U, 0xa710187dU, 0x6ee89c63U, 0x7bdb3bbbU,
++ 0x09cd2678U, 0xf46e5918U, 0x01ec9ab7U, 0xa8834f9aU,
++ 0x65e6956eU, 0x7eaaffe6U, 0x0821bccfU, 0xe6ef15e8U,
++ 0xd9bae79bU, 0xce4a6f36U, 0xd4ea9f09U, 0xd629b07cU,
++ 0xaf31a4b2U, 0x312a3f23U, 0x30c6a594U, 0xc035a266U,
++ 0x37744ebcU, 0xa6fc82caU, 0xb0e090d0U, 0x1533a7d8U,
++ 0x4af10498U, 0xf741ecdaU, 0x0e7fcd50U, 0x2f1791f6U,
++ 0x8d764dd6U, 0x4d43efb0U, 0x54ccaa4dU, 0xdfe49604U,
++ 0xe39ed1b5U, 0x1b4c6a88U, 0xb8c12c1fU, 0x7f466551U,
++ 0x049d5eeaU, 0x5d018c35U, 0x73fa8774U, 0x2efb0b41U,
++ 0x5ab3671dU, 0x5292dbd2U, 0x33e91056U, 0x136dd647U,
++ 0x8c9ad761U, 0x7a37a10cU, 0x8e59f814U, 0x89eb133cU,
++ 0xeecea927U, 0x35b761c9U, 0xede11ce5U, 0x3c7a47b1U,
++ 0x599cd2dfU, 0x3f55f273U, 0x791814ceU, 0xbf73c737U,
++ 0xea53f7cdU, 0x5b5ffdaaU, 0x14df3d6fU, 0x867844dbU,
++ 0x81caaff3U, 0x3eb968c4U, 0x2c382434U, 0x5fc2a340U,
++ 0x72161dc3U, 0x0cbce225U, 0x8b283c49U, 0x41ff0d95U,
++ 0x7139a801U, 0xde080cb3U, 0x9cd8b4e4U, 0x906456c1U,
++ 0x617bcb84U, 0x70d532b6U, 0x74486c5cU, 0x42d0b857U,
+ };
+-static const u32 Td2[256] = {+- 0xa75051f4U, 0x65537e41U, 0xa4c31a17U, 0x5e963a27U,
+- 0x6bcb3babU, 0x45f11f9dU, 0x58abacfaU, 0x03934be3U,
+- 0xfa552030U, 0x6df6ad76U, 0x769188ccU, 0x4c25f502U,
+- 0xd7fc4fe5U, 0xcbd7c52aU, 0x44802635U, 0xa38fb562U,
+- 0x5a49deb1U, 0x1b6725baU, 0x0e9845eaU, 0xc0e15dfeU,
+- 0x7502c32fU, 0xf012814cU, 0x97a38d46U, 0xf9c66bd3U,
+- 0x5fe7038fU, 0x9c951592U, 0x7aebbf6dU, 0x59da9552U,
+- 0x832dd4beU, 0x21d35874U, 0x692949e0U, 0xc8448ec9U,
+- 0x896a75c2U, 0x7978f48eU, 0x3e6b9958U, 0x71dd27b9U,
+- 0x4fb6bee1U, 0xad17f088U, 0xac66c920U, 0x3ab47dceU,
+- 0x4a1863dfU, 0x3182e51aU, 0x33609751U, 0x7f456253U,
+- 0x77e0b164U, 0xae84bb6bU, 0xa01cfe81U, 0x2b94f908U,
+- 0x68587048U, 0xfd198f45U, 0x6c8794deU, 0xf8b7527bU,
+- 0xd323ab73U, 0x02e2724bU, 0x8f57e31fU, 0xab2a6655U,
+- 0x2807b2ebU, 0xc2032fb5U, 0x7b9a86c5U, 0x08a5d337U,
+- 0x87f23028U, 0xa5b223bfU, 0x6aba0203U, 0x825ced16U,
+- 0x1c2b8acfU, 0xb492a779U, 0xf2f0f307U, 0xe2a14e69U,
+- 0xf4cd65daU, 0xbed50605U, 0x621fd134U, 0xfe8ac4a6U,
+- 0x539d342eU, 0x55a0a2f3U, 0xe132058aU, 0xeb75a4f6U,
+- 0xec390b83U, 0xefaa4060U, 0x9f065e71U, 0x1051bd6eU,
+-
+- 0x8af93e21U, 0x063d96ddU, 0x05aedd3eU, 0xbd464de6U,
+- 0x8db59154U, 0x5d0571c4U, 0xd46f0406U, 0x15ff6050U,
+- 0xfb241998U, 0xe997d6bdU, 0x43cc8940U, 0x9e7767d9U,
+- 0x42bdb0e8U, 0x8b880789U, 0x5b38e719U, 0xeedb79c8U,
+- 0x0a47a17cU, 0x0fe97c42U, 0x1ec9f884U, 0x00000000U,
+- 0x86830980U, 0xed48322bU, 0x70ac1e11U, 0x724e6c5aU,
+- 0xfffbfd0eU, 0x38560f85U, 0xd51e3daeU, 0x3927362dU,
+- 0xd9640a0fU, 0xa621685cU, 0x54d19b5bU, 0x2e3a2436U,
+- 0x67b10c0aU, 0xe70f9357U, 0x96d2b4eeU, 0x919e1b9bU,
+- 0xc54f80c0U, 0x20a261dcU, 0x4b695a77U, 0x1a161c12U,
+- 0xba0ae293U, 0x2ae5c0a0U, 0xe0433c22U, 0x171d121bU,
+- 0x0d0b0e09U, 0xc7adf28bU, 0xa8b92db6U, 0xa9c8141eU,
+- 0x198557f1U, 0x074caf75U, 0xddbbee99U, 0x60fda37fU,
+- 0x269ff701U, 0xf5bc5c72U, 0x3bc54466U, 0x7e345bfbU,
+- 0x29768b43U, 0xc6dccb23U, 0xfc68b6edU, 0xf163b8e4U,
+- 0xdccad731U, 0x85104263U, 0x22401397U, 0x112084c6U,
+- 0x247d854aU, 0x3df8d2bbU, 0x3211aef9U, 0xa16dc729U,
+- 0x2f4b1d9eU, 0x30f3dcb2U, 0x52ec0d86U, 0xe3d077c1U,
+- 0x166c2bb3U, 0xb999a970U, 0x48fa1194U, 0x642247e9U,
+- 0x8cc4a8fcU, 0x3f1aa0f0U, 0x2cd8567dU, 0x90ef2233U,
+- 0x4ec78749U, 0xd1c1d938U, 0xa2fe8ccaU, 0x0b3698d4U,
+- 0x81cfa6f5U, 0xde28a57aU, 0x8e26dab7U, 0xbfa43fadU,
+- 0x9de42c3aU, 0x920d5078U, 0xcc9b6a5fU, 0x4662547eU,
+- 0x13c2f68dU, 0xb8e890d8U, 0xf75e2e39U, 0xaff582c3U,
+- 0x80be9f5dU, 0x937c69d0U, 0x2da96fd5U, 0x12b3cf25U,
+- 0x993bc8acU, 0x7da71018U, 0x636ee89cU, 0xbb7bdb3bU,
+- 0x7809cd26U, 0x18f46e59U, 0xb701ec9aU, 0x9aa8834fU,
+- 0x6e65e695U, 0xe67eaaffU, 0xcf0821bcU, 0xe8e6ef15U,
+- 0x9bd9bae7U, 0x36ce4a6fU, 0x09d4ea9fU, 0x7cd629b0U,
+- 0xb2af31a4U, 0x23312a3fU, 0x9430c6a5U, 0x66c035a2U,
+- 0xbc37744eU, 0xcaa6fc82U, 0xd0b0e090U, 0xd81533a7U,
+- 0x984af104U, 0xdaf741ecU, 0x500e7fcdU, 0xf62f1791U,
+- 0xd68d764dU, 0xb04d43efU, 0x4d54ccaaU, 0x04dfe496U,
+- 0xb5e39ed1U, 0x881b4c6aU, 0x1fb8c12cU, 0x517f4665U,
+- 0xea049d5eU, 0x355d018cU, 0x7473fa87U, 0x412efb0bU,
+- 0x1d5ab367U, 0xd25292dbU, 0x5633e910U, 0x47136dd6U,
+- 0x618c9ad7U, 0x0c7a37a1U, 0x148e59f8U, 0x3c89eb13U,
+- 0x27eecea9U, 0xc935b761U, 0xe5ede11cU, 0xb13c7a47U,
+- 0xdf599cd2U, 0x733f55f2U, 0xce791814U, 0x37bf73c7U,
+- 0xcdea53f7U, 0xaa5b5ffdU, 0x6f14df3dU, 0xdb867844U,
+- 0xf381caafU, 0xc43eb968U, 0x342c3824U, 0x405fc2a3U,
+- 0xc372161dU, 0x250cbce2U, 0x498b283cU, 0x9541ff0dU,
+- 0x017139a8U, 0xb3de080cU, 0xe49cd8b4U, 0xc1906456U,
+- 0x84617bcbU, 0xb670d532U, 0x5c74486cU, 0x5742d0b8U,
++static u32 Td2[256] = {++ 0xa75051f4U, 0x65537e41U, 0xa4c31a17U, 0x5e963a27U,
++ 0x6bcb3babU, 0x45f11f9dU, 0x58abacfaU, 0x03934be3U,
++ 0xfa552030U, 0x6df6ad76U, 0x769188ccU, 0x4c25f502U,
++ 0xd7fc4fe5U, 0xcbd7c52aU, 0x44802635U, 0xa38fb562U,
++ 0x5a49deb1U, 0x1b6725baU, 0x0e9845eaU, 0xc0e15dfeU,
++ 0x7502c32fU, 0xf012814cU, 0x97a38d46U, 0xf9c66bd3U,
++ 0x5fe7038fU, 0x9c951592U, 0x7aebbf6dU, 0x59da9552U,
++ 0x832dd4beU, 0x21d35874U, 0x692949e0U, 0xc8448ec9U,
++ 0x896a75c2U, 0x7978f48eU, 0x3e6b9958U, 0x71dd27b9U,
++ 0x4fb6bee1U, 0xad17f088U, 0xac66c920U, 0x3ab47dceU,
++ 0x4a1863dfU, 0x3182e51aU, 0x33609751U, 0x7f456253U,
++ 0x77e0b164U, 0xae84bb6bU, 0xa01cfe81U, 0x2b94f908U,
++ 0x68587048U, 0xfd198f45U, 0x6c8794deU, 0xf8b7527bU,
++ 0xd323ab73U, 0x02e2724bU, 0x8f57e31fU, 0xab2a6655U,
++ 0x2807b2ebU, 0xc2032fb5U, 0x7b9a86c5U, 0x08a5d337U,
++ 0x87f23028U, 0xa5b223bfU, 0x6aba0203U, 0x825ced16U,
++ 0x1c2b8acfU, 0xb492a779U, 0xf2f0f307U, 0xe2a14e69U,
++ 0xf4cd65daU, 0xbed50605U, 0x621fd134U, 0xfe8ac4a6U,
++ 0x539d342eU, 0x55a0a2f3U, 0xe132058aU, 0xeb75a4f6U,
++ 0xec390b83U, 0xefaa4060U, 0x9f065e71U, 0x1051bd6eU,
++
++ 0x8af93e21U, 0x063d96ddU, 0x05aedd3eU, 0xbd464de6U,
++ 0x8db59154U, 0x5d0571c4U, 0xd46f0406U, 0x15ff6050U,
++ 0xfb241998U, 0xe997d6bdU, 0x43cc8940U, 0x9e7767d9U,
++ 0x42bdb0e8U, 0x8b880789U, 0x5b38e719U, 0xeedb79c8U,
++ 0x0a47a17cU, 0x0fe97c42U, 0x1ec9f884U, 0x00000000U,
++ 0x86830980U, 0xed48322bU, 0x70ac1e11U, 0x724e6c5aU,
++ 0xfffbfd0eU, 0x38560f85U, 0xd51e3daeU, 0x3927362dU,
++ 0xd9640a0fU, 0xa621685cU, 0x54d19b5bU, 0x2e3a2436U,
++ 0x67b10c0aU, 0xe70f9357U, 0x96d2b4eeU, 0x919e1b9bU,
++ 0xc54f80c0U, 0x20a261dcU, 0x4b695a77U, 0x1a161c12U,
++ 0xba0ae293U, 0x2ae5c0a0U, 0xe0433c22U, 0x171d121bU,
++ 0x0d0b0e09U, 0xc7adf28bU, 0xa8b92db6U, 0xa9c8141eU,
++ 0x198557f1U, 0x074caf75U, 0xddbbee99U, 0x60fda37fU,
++ 0x269ff701U, 0xf5bc5c72U, 0x3bc54466U, 0x7e345bfbU,
++ 0x29768b43U, 0xc6dccb23U, 0xfc68b6edU, 0xf163b8e4U,
++ 0xdccad731U, 0x85104263U, 0x22401397U, 0x112084c6U,
++ 0x247d854aU, 0x3df8d2bbU, 0x3211aef9U, 0xa16dc729U,
++ 0x2f4b1d9eU, 0x30f3dcb2U, 0x52ec0d86U, 0xe3d077c1U,
++ 0x166c2bb3U, 0xb999a970U, 0x48fa1194U, 0x642247e9U,
++ 0x8cc4a8fcU, 0x3f1aa0f0U, 0x2cd8567dU, 0x90ef2233U,
++ 0x4ec78749U, 0xd1c1d938U, 0xa2fe8ccaU, 0x0b3698d4U,
++ 0x81cfa6f5U, 0xde28a57aU, 0x8e26dab7U, 0xbfa43fadU,
++ 0x9de42c3aU, 0x920d5078U, 0xcc9b6a5fU, 0x4662547eU,
++ 0x13c2f68dU, 0xb8e890d8U, 0xf75e2e39U, 0xaff582c3U,
++ 0x80be9f5dU, 0x937c69d0U, 0x2da96fd5U, 0x12b3cf25U,
++ 0x993bc8acU, 0x7da71018U, 0x636ee89cU, 0xbb7bdb3bU,
++ 0x7809cd26U, 0x18f46e59U, 0xb701ec9aU, 0x9aa8834fU,
++ 0x6e65e695U, 0xe67eaaffU, 0xcf0821bcU, 0xe8e6ef15U,
++ 0x9bd9bae7U, 0x36ce4a6fU, 0x09d4ea9fU, 0x7cd629b0U,
++ 0xb2af31a4U, 0x23312a3fU, 0x9430c6a5U, 0x66c035a2U,
++ 0xbc37744eU, 0xcaa6fc82U, 0xd0b0e090U, 0xd81533a7U,
++ 0x984af104U, 0xdaf741ecU, 0x500e7fcdU, 0xf62f1791U,
++ 0xd68d764dU, 0xb04d43efU, 0x4d54ccaaU, 0x04dfe496U,
++ 0xb5e39ed1U, 0x881b4c6aU, 0x1fb8c12cU, 0x517f4665U,
++ 0xea049d5eU, 0x355d018cU, 0x7473fa87U, 0x412efb0bU,
++ 0x1d5ab367U, 0xd25292dbU, 0x5633e910U, 0x47136dd6U,
++ 0x618c9ad7U, 0x0c7a37a1U, 0x148e59f8U, 0x3c89eb13U,
++ 0x27eecea9U, 0xc935b761U, 0xe5ede11cU, 0xb13c7a47U,
++ 0xdf599cd2U, 0x733f55f2U, 0xce791814U, 0x37bf73c7U,
++ 0xcdea53f7U, 0xaa5b5ffdU, 0x6f14df3dU, 0xdb867844U,
++ 0xf381caafU, 0xc43eb968U, 0x342c3824U, 0x405fc2a3U,
++ 0xc372161dU, 0x250cbce2U, 0x498b283cU, 0x9541ff0dU,
++ 0x017139a8U, 0xb3de080cU, 0xe49cd8b4U, 0xc1906456U,
++ 0x84617bcbU, 0xb670d532U, 0x5c74486cU, 0x5742d0b8U,
+ };
+-static const u32 Td3[256] = {+- 0xf4a75051U, 0x4165537eU, 0x17a4c31aU, 0x275e963aU,
+- 0xab6bcb3bU, 0x9d45f11fU, 0xfa58abacU, 0xe303934bU,
+- 0x30fa5520U, 0x766df6adU, 0xcc769188U, 0x024c25f5U,
+- 0xe5d7fc4fU, 0x2acbd7c5U, 0x35448026U, 0x62a38fb5U,
+- 0xb15a49deU, 0xba1b6725U, 0xea0e9845U, 0xfec0e15dU,
+- 0x2f7502c3U, 0x4cf01281U, 0x4697a38dU, 0xd3f9c66bU,
+- 0x8f5fe703U, 0x929c9515U, 0x6d7aebbfU, 0x5259da95U,
+- 0xbe832dd4U, 0x7421d358U, 0xe0692949U, 0xc9c8448eU,
+- 0xc2896a75U, 0x8e7978f4U, 0x583e6b99U, 0xb971dd27U,
+- 0xe14fb6beU, 0x88ad17f0U, 0x20ac66c9U, 0xce3ab47dU,
+- 0xdf4a1863U, 0x1a3182e5U, 0x51336097U, 0x537f4562U,
+- 0x6477e0b1U, 0x6bae84bbU, 0x81a01cfeU, 0x082b94f9U,
+- 0x48685870U, 0x45fd198fU, 0xde6c8794U, 0x7bf8b752U,
+- 0x73d323abU, 0x4b02e272U, 0x1f8f57e3U, 0x55ab2a66U,
+- 0xeb2807b2U, 0xb5c2032fU, 0xc57b9a86U, 0x3708a5d3U,
+- 0x2887f230U, 0xbfa5b223U, 0x036aba02U, 0x16825cedU,
+- 0xcf1c2b8aU, 0x79b492a7U, 0x07f2f0f3U, 0x69e2a14eU,
+- 0xdaf4cd65U, 0x05bed506U, 0x34621fd1U, 0xa6fe8ac4U,
+- 0x2e539d34U, 0xf355a0a2U, 0x8ae13205U, 0xf6eb75a4U,
+- 0x83ec390bU, 0x60efaa40U, 0x719f065eU, 0x6e1051bdU,
+- 0x218af93eU, 0xdd063d96U, 0x3e05aeddU, 0xe6bd464dU,
+- 0x548db591U, 0xc45d0571U, 0x06d46f04U, 0x5015ff60U,
+- 0x98fb2419U, 0xbde997d6U, 0x4043cc89U, 0xd99e7767U,
+- 0xe842bdb0U, 0x898b8807U, 0x195b38e7U, 0xc8eedb79U,
+- 0x7c0a47a1U, 0x420fe97cU, 0x841ec9f8U, 0x00000000U,
+- 0x80868309U, 0x2bed4832U, 0x1170ac1eU, 0x5a724e6cU,
+- 0x0efffbfdU, 0x8538560fU, 0xaed51e3dU, 0x2d392736U,
+- 0x0fd9640aU, 0x5ca62168U, 0x5b54d19bU, 0x362e3a24U,
+- 0x0a67b10cU, 0x57e70f93U, 0xee96d2b4U, 0x9b919e1bU,
+- 0xc0c54f80U, 0xdc20a261U, 0x774b695aU, 0x121a161cU,
+- 0x93ba0ae2U, 0xa02ae5c0U, 0x22e0433cU, 0x1b171d12U,
+- 0x090d0b0eU, 0x8bc7adf2U, 0xb6a8b92dU, 0x1ea9c814U,
+- 0xf1198557U, 0x75074cafU, 0x99ddbbeeU, 0x7f60fda3U,
+- 0x01269ff7U, 0x72f5bc5cU, 0x663bc544U, 0xfb7e345bU,
+- 0x4329768bU, 0x23c6dccbU, 0xedfc68b6U, 0xe4f163b8U,
+- 0x31dccad7U, 0x63851042U, 0x97224013U, 0xc6112084U,
+- 0x4a247d85U, 0xbb3df8d2U, 0xf93211aeU, 0x29a16dc7U,
+- 0x9e2f4b1dU, 0xb230f3dcU, 0x8652ec0dU, 0xc1e3d077U,
+- 0xb3166c2bU, 0x70b999a9U, 0x9448fa11U, 0xe9642247U,
+- 0xfc8cc4a8U, 0xf03f1aa0U, 0x7d2cd856U, 0x3390ef22U,
+- 0x494ec787U, 0x38d1c1d9U, 0xcaa2fe8cU, 0xd40b3698U,
+- 0xf581cfa6U, 0x7ade28a5U, 0xb78e26daU, 0xadbfa43fU,
+- 0x3a9de42cU, 0x78920d50U, 0x5fcc9b6aU, 0x7e466254U,
+- 0x8d13c2f6U, 0xd8b8e890U, 0x39f75e2eU, 0xc3aff582U,
+- 0x5d80be9fU, 0xd0937c69U, 0xd52da96fU, 0x2512b3cfU,
+- 0xac993bc8U, 0x187da710U, 0x9c636ee8U, 0x3bbb7bdbU,
+- 0x267809cdU, 0x5918f46eU, 0x9ab701ecU, 0x4f9aa883U,
+- 0x956e65e6U, 0xffe67eaaU, 0xbccf0821U, 0x15e8e6efU,
+- 0xe79bd9baU, 0x6f36ce4aU, 0x9f09d4eaU, 0xb07cd629U,
+- 0xa4b2af31U, 0x3f23312aU, 0xa59430c6U, 0xa266c035U,
+- 0x4ebc3774U, 0x82caa6fcU, 0x90d0b0e0U, 0xa7d81533U,
+- 0x04984af1U, 0xecdaf741U, 0xcd500e7fU, 0x91f62f17U,
+- 0x4dd68d76U, 0xefb04d43U, 0xaa4d54ccU, 0x9604dfe4U,
+- 0xd1b5e39eU, 0x6a881b4cU, 0x2c1fb8c1U, 0x65517f46U,
+- 0x5eea049dU, 0x8c355d01U, 0x877473faU, 0x0b412efbU,
+- 0x671d5ab3U, 0xdbd25292U, 0x105633e9U, 0xd647136dU,
+- 0xd7618c9aU, 0xa10c7a37U, 0xf8148e59U, 0x133c89ebU,
+- 0xa927eeceU, 0x61c935b7U, 0x1ce5ede1U, 0x47b13c7aU,
+- 0xd2df599cU, 0xf2733f55U, 0x14ce7918U, 0xc737bf73U,
+- 0xf7cdea53U, 0xfdaa5b5fU, 0x3d6f14dfU, 0x44db8678U,
+- 0xaff381caU, 0x68c43eb9U, 0x24342c38U, 0xa3405fc2U,
+- 0x1dc37216U, 0xe2250cbcU, 0x3c498b28U, 0x0d9541ffU,
+- 0xa8017139U, 0x0cb3de08U, 0xb4e49cd8U, 0x56c19064U,
+- 0xcb84617bU, 0x32b670d5U, 0x6c5c7448U, 0xb85742d0U,
++static u32 Td3[256] = {++ 0xf4a75051U, 0x4165537eU, 0x17a4c31aU, 0x275e963aU,
++ 0xab6bcb3bU, 0x9d45f11fU, 0xfa58abacU, 0xe303934bU,
++ 0x30fa5520U, 0x766df6adU, 0xcc769188U, 0x024c25f5U,
++ 0xe5d7fc4fU, 0x2acbd7c5U, 0x35448026U, 0x62a38fb5U,
++ 0xb15a49deU, 0xba1b6725U, 0xea0e9845U, 0xfec0e15dU,
++ 0x2f7502c3U, 0x4cf01281U, 0x4697a38dU, 0xd3f9c66bU,
++ 0x8f5fe703U, 0x929c9515U, 0x6d7aebbfU, 0x5259da95U,
++ 0xbe832dd4U, 0x7421d358U, 0xe0692949U, 0xc9c8448eU,
++ 0xc2896a75U, 0x8e7978f4U, 0x583e6b99U, 0xb971dd27U,
++ 0xe14fb6beU, 0x88ad17f0U, 0x20ac66c9U, 0xce3ab47dU,
++ 0xdf4a1863U, 0x1a3182e5U, 0x51336097U, 0x537f4562U,
++ 0x6477e0b1U, 0x6bae84bbU, 0x81a01cfeU, 0x082b94f9U,
++ 0x48685870U, 0x45fd198fU, 0xde6c8794U, 0x7bf8b752U,
++ 0x73d323abU, 0x4b02e272U, 0x1f8f57e3U, 0x55ab2a66U,
++ 0xeb2807b2U, 0xb5c2032fU, 0xc57b9a86U, 0x3708a5d3U,
++ 0x2887f230U, 0xbfa5b223U, 0x036aba02U, 0x16825cedU,
++ 0xcf1c2b8aU, 0x79b492a7U, 0x07f2f0f3U, 0x69e2a14eU,
++ 0xdaf4cd65U, 0x05bed506U, 0x34621fd1U, 0xa6fe8ac4U,
++ 0x2e539d34U, 0xf355a0a2U, 0x8ae13205U, 0xf6eb75a4U,
++ 0x83ec390bU, 0x60efaa40U, 0x719f065eU, 0x6e1051bdU,
++ 0x218af93eU, 0xdd063d96U, 0x3e05aeddU, 0xe6bd464dU,
++ 0x548db591U, 0xc45d0571U, 0x06d46f04U, 0x5015ff60U,
++ 0x98fb2419U, 0xbde997d6U, 0x4043cc89U, 0xd99e7767U,
++ 0xe842bdb0U, 0x898b8807U, 0x195b38e7U, 0xc8eedb79U,
++ 0x7c0a47a1U, 0x420fe97cU, 0x841ec9f8U, 0x00000000U,
++ 0x80868309U, 0x2bed4832U, 0x1170ac1eU, 0x5a724e6cU,
++ 0x0efffbfdU, 0x8538560fU, 0xaed51e3dU, 0x2d392736U,
++ 0x0fd9640aU, 0x5ca62168U, 0x5b54d19bU, 0x362e3a24U,
++ 0x0a67b10cU, 0x57e70f93U, 0xee96d2b4U, 0x9b919e1bU,
++ 0xc0c54f80U, 0xdc20a261U, 0x774b695aU, 0x121a161cU,
++ 0x93ba0ae2U, 0xa02ae5c0U, 0x22e0433cU, 0x1b171d12U,
++ 0x090d0b0eU, 0x8bc7adf2U, 0xb6a8b92dU, 0x1ea9c814U,
++ 0xf1198557U, 0x75074cafU, 0x99ddbbeeU, 0x7f60fda3U,
++ 0x01269ff7U, 0x72f5bc5cU, 0x663bc544U, 0xfb7e345bU,
++ 0x4329768bU, 0x23c6dccbU, 0xedfc68b6U, 0xe4f163b8U,
++ 0x31dccad7U, 0x63851042U, 0x97224013U, 0xc6112084U,
++ 0x4a247d85U, 0xbb3df8d2U, 0xf93211aeU, 0x29a16dc7U,
++ 0x9e2f4b1dU, 0xb230f3dcU, 0x8652ec0dU, 0xc1e3d077U,
++ 0xb3166c2bU, 0x70b999a9U, 0x9448fa11U, 0xe9642247U,
++ 0xfc8cc4a8U, 0xf03f1aa0U, 0x7d2cd856U, 0x3390ef22U,
++ 0x494ec787U, 0x38d1c1d9U, 0xcaa2fe8cU, 0xd40b3698U,
++ 0xf581cfa6U, 0x7ade28a5U, 0xb78e26daU, 0xadbfa43fU,
++ 0x3a9de42cU, 0x78920d50U, 0x5fcc9b6aU, 0x7e466254U,
++ 0x8d13c2f6U, 0xd8b8e890U, 0x39f75e2eU, 0xc3aff582U,
++ 0x5d80be9fU, 0xd0937c69U, 0xd52da96fU, 0x2512b3cfU,
++ 0xac993bc8U, 0x187da710U, 0x9c636ee8U, 0x3bbb7bdbU,
++ 0x267809cdU, 0x5918f46eU, 0x9ab701ecU, 0x4f9aa883U,
++ 0x956e65e6U, 0xffe67eaaU, 0xbccf0821U, 0x15e8e6efU,
++ 0xe79bd9baU, 0x6f36ce4aU, 0x9f09d4eaU, 0xb07cd629U,
++ 0xa4b2af31U, 0x3f23312aU, 0xa59430c6U, 0xa266c035U,
++ 0x4ebc3774U, 0x82caa6fcU, 0x90d0b0e0U, 0xa7d81533U,
++ 0x04984af1U, 0xecdaf741U, 0xcd500e7fU, 0x91f62f17U,
++ 0x4dd68d76U, 0xefb04d43U, 0xaa4d54ccU, 0x9604dfe4U,
++ 0xd1b5e39eU, 0x6a881b4cU, 0x2c1fb8c1U, 0x65517f46U,
++ 0x5eea049dU, 0x8c355d01U, 0x877473faU, 0x0b412efbU,
++ 0x671d5ab3U, 0xdbd25292U, 0x105633e9U, 0xd647136dU,
++ 0xd7618c9aU, 0xa10c7a37U, 0xf8148e59U, 0x133c89ebU,
++ 0xa927eeceU, 0x61c935b7U, 0x1ce5ede1U, 0x47b13c7aU,
++ 0xd2df599cU, 0xf2733f55U, 0x14ce7918U, 0xc737bf73U,
++ 0xf7cdea53U, 0xfdaa5b5fU, 0x3d6f14dfU, 0x44db8678U,
++ 0xaff381caU, 0x68c43eb9U, 0x24342c38U, 0xa3405fc2U,
++ 0x1dc37216U, 0xe2250cbcU, 0x3c498b28U, 0x0d9541ffU,
++ 0xa8017139U, 0x0cb3de08U, 0xb4e49cd8U, 0x56c19064U,
++ 0xcb84617bU, 0x32b670d5U, 0x6c5c7448U, 0xb85742d0U,
+ };
+-static const u8 Td4[256] = {+- 0x52U, 0x09U, 0x6aU, 0xd5U,
+- 0x30U, 0x36U, 0xa5U, 0x38U,
+- 0xbfU, 0x40U, 0xa3U, 0x9eU,
+- 0x81U, 0xf3U, 0xd7U, 0xfbU,
+- 0x7cU, 0xe3U, 0x39U, 0x82U,
+- 0x9bU, 0x2fU, 0xffU, 0x87U,
+- 0x34U, 0x8eU, 0x43U, 0x44U,
+- 0xc4U, 0xdeU, 0xe9U, 0xcbU,
+- 0x54U, 0x7bU, 0x94U, 0x32U,
+- 0xa6U, 0xc2U, 0x23U, 0x3dU,
+- 0xeeU, 0x4cU, 0x95U, 0x0bU,
+- 0x42U, 0xfaU, 0xc3U, 0x4eU,
+- 0x08U, 0x2eU, 0xa1U, 0x66U,
+- 0x28U, 0xd9U, 0x24U, 0xb2U,
+- 0x76U, 0x5bU, 0xa2U, 0x49U,
+- 0x6dU, 0x8bU, 0xd1U, 0x25U,
+- 0x72U, 0xf8U, 0xf6U, 0x64U,
+- 0x86U, 0x68U, 0x98U, 0x16U,
+- 0xd4U, 0xa4U, 0x5cU, 0xccU,
+- 0x5dU, 0x65U, 0xb6U, 0x92U,
+- 0x6cU, 0x70U, 0x48U, 0x50U,
+- 0xfdU, 0xedU, 0xb9U, 0xdaU,
+- 0x5eU, 0x15U, 0x46U, 0x57U,
+- 0xa7U, 0x8dU, 0x9dU, 0x84U,
+- 0x90U, 0xd8U, 0xabU, 0x00U,
+- 0x8cU, 0xbcU, 0xd3U, 0x0aU,
+- 0xf7U, 0xe4U, 0x58U, 0x05U,
+- 0xb8U, 0xb3U, 0x45U, 0x06U,
+- 0xd0U, 0x2cU, 0x1eU, 0x8fU,
+- 0xcaU, 0x3fU, 0x0fU, 0x02U,
+- 0xc1U, 0xafU, 0xbdU, 0x03U,
+- 0x01U, 0x13U, 0x8aU, 0x6bU,
+- 0x3aU, 0x91U, 0x11U, 0x41U,
+- 0x4fU, 0x67U, 0xdcU, 0xeaU,
+- 0x97U, 0xf2U, 0xcfU, 0xceU,
+- 0xf0U, 0xb4U, 0xe6U, 0x73U,
+- 0x96U, 0xacU, 0x74U, 0x22U,
+- 0xe7U, 0xadU, 0x35U, 0x85U,
+- 0xe2U, 0xf9U, 0x37U, 0xe8U,
+- 0x1cU, 0x75U, 0xdfU, 0x6eU,
+- 0x47U, 0xf1U, 0x1aU, 0x71U,
+- 0x1dU, 0x29U, 0xc5U, 0x89U,
+- 0x6fU, 0xb7U, 0x62U, 0x0eU,
+- 0xaaU, 0x18U, 0xbeU, 0x1bU,
+- 0xfcU, 0x56U, 0x3eU, 0x4bU,
+- 0xc6U, 0xd2U, 0x79U, 0x20U,
+- 0x9aU, 0xdbU, 0xc0U, 0xfeU,
+- 0x78U, 0xcdU, 0x5aU, 0xf4U,
+- 0x1fU, 0xddU, 0xa8U, 0x33U,
+- 0x88U, 0x07U, 0xc7U, 0x31U,
+- 0xb1U, 0x12U, 0x10U, 0x59U,
+- 0x27U, 0x80U, 0xecU, 0x5fU,
+- 0x60U, 0x51U, 0x7fU, 0xa9U,
+- 0x19U, 0xb5U, 0x4aU, 0x0dU,
+- 0x2dU, 0xe5U, 0x7aU, 0x9fU,
+- 0x93U, 0xc9U, 0x9cU, 0xefU,
+- 0xa0U, 0xe0U, 0x3bU, 0x4dU,
+- 0xaeU, 0x2aU, 0xf5U, 0xb0U,
+- 0xc8U, 0xebU, 0xbbU, 0x3cU,
+- 0x83U, 0x53U, 0x99U, 0x61U,
+- 0x17U, 0x2bU, 0x04U, 0x7eU,
+- 0xbaU, 0x77U, 0xd6U, 0x26U,
+- 0xe1U, 0x69U, 0x14U, 0x63U,
+- 0x55U, 0x21U, 0x0cU, 0x7dU,
++static u8 Td4[256] = {++ 0x52U, 0x09U, 0x6aU, 0xd5U,
++ 0x30U, 0x36U, 0xa5U, 0x38U,
++ 0xbfU, 0x40U, 0xa3U, 0x9eU,
++ 0x81U, 0xf3U, 0xd7U, 0xfbU,
++ 0x7cU, 0xe3U, 0x39U, 0x82U,
++ 0x9bU, 0x2fU, 0xffU, 0x87U,
++ 0x34U, 0x8eU, 0x43U, 0x44U,
++ 0xc4U, 0xdeU, 0xe9U, 0xcbU,
++ 0x54U, 0x7bU, 0x94U, 0x32U,
++ 0xa6U, 0xc2U, 0x23U, 0x3dU,
++ 0xeeU, 0x4cU, 0x95U, 0x0bU,
++ 0x42U, 0xfaU, 0xc3U, 0x4eU,
++ 0x08U, 0x2eU, 0xa1U, 0x66U,
++ 0x28U, 0xd9U, 0x24U, 0xb2U,
++ 0x76U, 0x5bU, 0xa2U, 0x49U,
++ 0x6dU, 0x8bU, 0xd1U, 0x25U,
++ 0x72U, 0xf8U, 0xf6U, 0x64U,
++ 0x86U, 0x68U, 0x98U, 0x16U,
++ 0xd4U, 0xa4U, 0x5cU, 0xccU,
++ 0x5dU, 0x65U, 0xb6U, 0x92U,
++ 0x6cU, 0x70U, 0x48U, 0x50U,
++ 0xfdU, 0xedU, 0xb9U, 0xdaU,
++ 0x5eU, 0x15U, 0x46U, 0x57U,
++ 0xa7U, 0x8dU, 0x9dU, 0x84U,
++ 0x90U, 0xd8U, 0xabU, 0x00U,
++ 0x8cU, 0xbcU, 0xd3U, 0x0aU,
++ 0xf7U, 0xe4U, 0x58U, 0x05U,
++ 0xb8U, 0xb3U, 0x45U, 0x06U,
++ 0xd0U, 0x2cU, 0x1eU, 0x8fU,
++ 0xcaU, 0x3fU, 0x0fU, 0x02U,
++ 0xc1U, 0xafU, 0xbdU, 0x03U,
++ 0x01U, 0x13U, 0x8aU, 0x6bU,
++ 0x3aU, 0x91U, 0x11U, 0x41U,
++ 0x4fU, 0x67U, 0xdcU, 0xeaU,
++ 0x97U, 0xf2U, 0xcfU, 0xceU,
++ 0xf0U, 0xb4U, 0xe6U, 0x73U,
++ 0x96U, 0xacU, 0x74U, 0x22U,
++ 0xe7U, 0xadU, 0x35U, 0x85U,
++ 0xe2U, 0xf9U, 0x37U, 0xe8U,
++ 0x1cU, 0x75U, 0xdfU, 0x6eU,
++ 0x47U, 0xf1U, 0x1aU, 0x71U,
++ 0x1dU, 0x29U, 0xc5U, 0x89U,
++ 0x6fU, 0xb7U, 0x62U, 0x0eU,
++ 0xaaU, 0x18U, 0xbeU, 0x1bU,
++ 0xfcU, 0x56U, 0x3eU, 0x4bU,
++ 0xc6U, 0xd2U, 0x79U, 0x20U,
++ 0x9aU, 0xdbU, 0xc0U, 0xfeU,
++ 0x78U, 0xcdU, 0x5aU, 0xf4U,
++ 0x1fU, 0xddU, 0xa8U, 0x33U,
++ 0x88U, 0x07U, 0xc7U, 0x31U,
++ 0xb1U, 0x12U, 0x10U, 0x59U,
++ 0x27U, 0x80U, 0xecU, 0x5fU,
++ 0x60U, 0x51U, 0x7fU, 0xa9U,
++ 0x19U, 0xb5U, 0x4aU, 0x0dU,
++ 0x2dU, 0xe5U, 0x7aU, 0x9fU,
++ 0x93U, 0xc9U, 0x9cU, 0xefU,
++ 0xa0U, 0xe0U, 0x3bU, 0x4dU,
++ 0xaeU, 0x2aU, 0xf5U, 0xb0U,
++ 0xc8U, 0xebU, 0xbbU, 0x3cU,
++ 0x83U, 0x53U, 0x99U, 0x61U,
++ 0x17U, 0x2bU, 0x04U, 0x7eU,
++ 0xbaU, 0x77U, 0xd6U, 0x26U,
++ 0xe1U, 0x69U, 0x14U, 0x63U,
++ 0x55U, 0x21U, 0x0cU, 0x7dU,
+ };
+-static const u32 rcon[] = {++static u32 rcon[] = {+ 0x01000000, 0x02000000, 0x04000000, 0x08000000,
+ 0x10000000, 0x20000000, 0x40000000, 0x80000000,
+ 0x1B000000, 0x36000000,
+ /* for 128-bit blocks, Rijndael never uses more than 10 rcon values */
+ };
+
+-#define GETU32(pt) (((u32)(pt)[0]<<24) ^ ((u32)(pt)[1]<<16) ^ \
+- ((u32)(pt)[2]<< 8) ^ ((u32)(pt)[3]))
+-#define PUTU32(ct, st) { (ct)[0] = (u8)((st)>>24); (ct)[1] = (u8)((st)>>16); \+- (ct)[2] = (u8)((st)>> 8); (ct)[3] = (u8)(st); }
+-
+ /*
+ * Expand the cipher key into the encryption key schedule.
+ *
+ * @return the number of rounds for the given cipher key size.
+ */
+ static int
+-aes_setupEnc(ulong rk[/*4*(Nr + 1)*/], const uchar cipherKey[], int keyBits)
++setupEnc(ulong rk[/*4*(Nr + 1)*/], uchar key[], int nkey)
+ {+ int i = 0;
+ u32 temp;
+
+- rk[0] = GETU32(cipherKey );
+- rk[1] = GETU32(cipherKey + 4);
+- rk[2] = GETU32(cipherKey + 8);
+- rk[3] = GETU32(cipherKey + 12);
+- if (keyBits == 128) {++ rk[0] = GETU32(key );
++ rk[1] = GETU32(key + 4);
++ rk[2] = GETU32(key + 8);
++ rk[3] = GETU32(key + 12);
++ if (nkey == 16) {+ for (;;) {+ temp = rk[3];
+ rk[4] = rk[0] ^
+@@ -1198,9 +759,9 @@
+ rk += 4;
+ }
+ }
+- rk[4] = GETU32(cipherKey + 16);
+- rk[5] = GETU32(cipherKey + 20);
+- if (keyBits == 192) {++ rk[4] = GETU32(key + 16);
++ rk[5] = GETU32(key + 20);
++ if (nkey == 24) {+ for (;;) {+ temp = rk[ 5];
+ rk[ 6] = rk[ 0] ^
+@@ -1220,92 +781,94 @@
+ rk += 6;
+ }
+ }
+- rk[6] = GETU32(cipherKey + 24);
+- rk[7] = GETU32(cipherKey + 28);
+- if (keyBits == 256) {+- for (;;) {+- temp = rk[ 7];
+- rk[ 8] = rk[ 0] ^
+- (Te4[(temp >> 16) & 0xff] << 24) ^
+- (Te4[(temp >> 8) & 0xff] << 16) ^
+- (Te4[(temp ) & 0xff] << 8) ^
+- (Te4[(temp >> 24) ] ) ^
+- rcon[i];
+- rk[ 9] = rk[ 1] ^ rk[ 8];
+- rk[10] = rk[ 2] ^ rk[ 9];
+- rk[11] = rk[ 3] ^ rk[10];
++ rk[6] = GETU32(key + 24);
++ rk[7] = GETU32(key + 28);
++ if (nkey == 32) {++ for (;;) {++ temp = rk[ 7];
++ rk[ 8] = rk[ 0] ^
++ (Te4[(temp >> 16) & 0xff] << 24) ^
++ (Te4[(temp >> 8) & 0xff] << 16) ^
++ (Te4[(temp ) & 0xff] << 8) ^
++ (Te4[(temp >> 24) ] ) ^
++ rcon[i];
++ rk[ 9] = rk[ 1] ^ rk[ 8];
++ rk[10] = rk[ 2] ^ rk[ 9];
++ rk[11] = rk[ 3] ^ rk[10];
+ if (++i == 7) {+ return 14;
+ }
+- temp = rk[11];
+- rk[12] = rk[ 4] ^
+- (Te4[(temp >> 24) ] << 24) ^
+- (Te4[(temp >> 16) & 0xff] << 16) ^
+- (Te4[(temp >> 8) & 0xff] << 8) ^
+- (Te4[(temp ) & 0xff] );
+- rk[13] = rk[ 5] ^ rk[12];
+- rk[14] = rk[ 6] ^ rk[13];
+- rk[15] = rk[ 7] ^ rk[14];
++ temp = rk[11];
++ rk[12] = rk[ 4] ^
++ (Te4[(temp >> 24) ] << 24) ^
++ (Te4[(temp >> 16) & 0xff] << 16) ^
++ (Te4[(temp >> 8) & 0xff] << 8) ^
++ (Te4[(temp ) & 0xff] );
++ rk[13] = rk[ 5] ^ rk[12];
++ rk[14] = rk[ 6] ^ rk[13];
++ rk[15] = rk[ 7] ^ rk[14];
+ rk += 8;
+- }
++ }
+ }
+ return 0;
+ }
+
+-/**
+- * Expand the cipher key into the decryption key schedule.
++/*
++ * Expand the cipher key into the encryption and decryption key schedules.
+ *
+ * @return the number of rounds for the given cipher key size.
+ */
+ static int
+-aes_setupDec(ulong rk[/* 4*(Nr + 1) */], const uchar cipherKey[], int keyBits)
++AESsetup(ulong erk[/* 4*(Nr + 1) */], ulong drk[/* 4*(Nr + 1) */], uchar key[], int nkey)
+ {+- int Nr, i, j;
+- ulong temp;
++ int Nr, i;
+
+ /* expand the cipher key: */
+- Nr = aes_setupEnc(rk, cipherKey, keyBits);
+- /* invert the order of the round keys: */
+- for (i = 0, j = 4*Nr; i < j; i += 4, j -= 4) {+- temp = rk[i ]; rk[i ] = rk[j ]; rk[j ] = temp;
+- temp = rk[i + 1]; rk[i + 1] = rk[j + 1]; rk[j + 1] = temp;
+- temp = rk[i + 2]; rk[i + 2] = rk[j + 2]; rk[j + 2] = temp;
+- temp = rk[i + 3]; rk[i + 3] = rk[j + 3]; rk[j + 3] = temp;
+- }
++ Nr = setupEnc(erk, key, nkey);
++
+ /*
+- * apply the inverse MixColumn transform to all round keys
+- * but the first and the last:
++ * invert the order of the round keys and apply the inverse MixColumn
++ * transform to all round keys but the first and the last
+ */
++ drk[0 ] = erk[4*Nr ];
++ drk[1 ] = erk[4*Nr + 1];
++ drk[2 ] = erk[4*Nr + 2];
++ drk[3 ] = erk[4*Nr + 3];
++ drk[4*Nr ] = erk[0 ];
++ drk[4*Nr + 1] = erk[1 ];
++ drk[4*Nr + 2] = erk[2 ];
++ drk[4*Nr + 3] = erk[3 ];
++ erk += 4 * Nr;
+ for (i = 1; i < Nr; i++) {+- rk += 4;
+- rk[0] =
+- Td0[Te4[(rk[0] >> 24) ]] ^
+- Td1[Te4[(rk[0] >> 16) & 0xff]] ^
+- Td2[Te4[(rk[0] >> 8) & 0xff]] ^
+- Td3[Te4[(rk[0] ) & 0xff]];
+- rk[1] =
+- Td0[Te4[(rk[1] >> 24) ]] ^
+- Td1[Te4[(rk[1] >> 16) & 0xff]] ^
+- Td2[Te4[(rk[1] >> 8) & 0xff]] ^
+- Td3[Te4[(rk[1] ) & 0xff]];
+- rk[2] =
+- Td0[Te4[(rk[2] >> 24) ]] ^
+- Td1[Te4[(rk[2] >> 16) & 0xff]] ^
+- Td2[Te4[(rk[2] >> 8) & 0xff]] ^
+- Td3[Te4[(rk[2] ) & 0xff]];
+- rk[3] =
+- Td0[Te4[(rk[3] >> 24) ]] ^
+- Td1[Te4[(rk[3] >> 16) & 0xff]] ^
+- Td2[Te4[(rk[3] >> 8) & 0xff]] ^
+- Td3[Te4[(rk[3] ) & 0xff]];
++ drk += 4;
++ erk -= 4;
++ drk[0] =
++ Td0[Te4[(erk[0] >> 24) ]] ^
++ Td1[Te4[(erk[0] >> 16) & 0xff]] ^
++ Td2[Te4[(erk[0] >> 8) & 0xff]] ^
++ Td3[Te4[(erk[0] ) & 0xff]];
++ drk[1] =
++ Td0[Te4[(erk[1] >> 24) ]] ^
++ Td1[Te4[(erk[1] >> 16) & 0xff]] ^
++ Td2[Te4[(erk[1] >> 8) & 0xff]] ^
++ Td3[Te4[(erk[1] ) & 0xff]];
++ drk[2] =
++ Td0[Te4[(erk[2] >> 24) ]] ^
++ Td1[Te4[(erk[2] >> 16) & 0xff]] ^
++ Td2[Te4[(erk[2] >> 8) & 0xff]] ^
++ Td3[Te4[(erk[2] ) & 0xff]];
++ drk[3] =
++ Td0[Te4[(erk[3] >> 24) ]] ^
++ Td1[Te4[(erk[3] >> 16) & 0xff]] ^
++ Td2[Te4[(erk[3] >> 8) & 0xff]] ^
++ Td3[Te4[(erk[3] ) & 0xff]];
+ }
+ return Nr;
+ }
+
+ /* using round keys in rk, perform Nr rounds of encrypting pt into ct */
+-void
+-aes_encrypt(const ulong rk[/* 4*(Nr + 1) */], int Nr, const uchar pt[16],
+- uchar ct[16])
++static void
++AESencrypt(ulong rk[/* 4*(Nr + 1) */], int Nr, uchar pt[16], uchar ct[16])
+ {+ ulong s0, s1, s2, s3, t0, t1, t2, t3;
+ #ifndef FULL_UNROLL
+@@ -1322,50 +885,50 @@
+ s3 = GETU32(pt + 12) ^ rk[3];
+ #ifdef FULL_UNROLL
+ /* round 1: */
+- t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[ 4];
+- t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[ 5];
+- t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[ 6];
+- t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[ 7];
+- /* round 2: */
+- s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >> 8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[ 8];
+- s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >> 8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[ 9];
+- s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >> 8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[10];
+- s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >> 8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[11];
++ t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[ 4];
++ t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[ 5];
++ t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[ 6];
++ t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[ 7];
++ /* round 2: */
++ s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >> 8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[ 8];
++ s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >> 8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[ 9];
++ s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >> 8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[10];
++ s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >> 8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[11];
+ /* round 3: */
+- t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[12];
+- t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[13];
+- t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[14];
+- t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[15];
+- /* round 4: */
+- s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >> 8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[16];
+- s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >> 8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[17];
+- s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >> 8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[18];
+- s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >> 8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[19];
++ t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[12];
++ t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[13];
++ t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[14];
++ t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[15];
++ /* round 4: */
++ s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >> 8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[16];
++ s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >> 8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[17];
++ s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >> 8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[18];
++ s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >> 8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[19];
+ /* round 5: */
+- t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[20];
+- t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[21];
+- t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[22];
+- t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[23];
+- /* round 6: */
+- s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >> 8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[24];
+- s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >> 8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[25];
+- s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >> 8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[26];
+- s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >> 8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[27];
++ t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[20];
++ t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[21];
++ t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[22];
++ t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[23];
++ /* round 6: */
++ s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >> 8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[24];
++ s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >> 8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[25];
++ s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >> 8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[26];
++ s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >> 8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[27];
+ /* round 7: */
+- t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[28];
+- t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[29];
+- t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[30];
+- t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[31];
+- /* round 8: */
+- s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >> 8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[32];
+- s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >> 8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[33];
+- s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >> 8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[34];
+- s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >> 8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[35];
++ t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[28];
++ t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[29];
++ t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[30];
++ t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[31];
++ /* round 8: */
++ s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >> 8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[32];
++ s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >> 8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[33];
++ s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >> 8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[34];
++ s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >> 8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[35];
+ /* round 9: */
+- t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[36];
+- t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[37];
+- t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[38];
+- t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[39];
++ t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[36];
++ t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[37];
++ t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[38];
++ t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[39];
+ if (Nr > 10) {+ /* round 10: */
+ s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >> 8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[40];
+@@ -1397,59 +960,59 @@
+ */
+ r = Nr >> 1;
+ for (;;) {+- t0 =
+- Te0[(s0 >> 24) ] ^
+- Te1[(s1 >> 16) & 0xff] ^
+- Te2[(s2 >> 8) & 0xff] ^
+- Te3[(s3 ) & 0xff] ^
+- rk[4];
+- t1 =
+- Te0[(s1 >> 24) ] ^
+- Te1[(s2 >> 16) & 0xff] ^
+- Te2[(s3 >> 8) & 0xff] ^
+- Te3[(s0 ) & 0xff] ^
+- rk[5];
+- t2 =
+- Te0[(s2 >> 24) ] ^
+- Te1[(s3 >> 16) & 0xff] ^
+- Te2[(s0 >> 8) & 0xff] ^
+- Te3[(s1 ) & 0xff] ^
+- rk[6];
+- t3 =
+- Te0[(s3 >> 24) ] ^
+- Te1[(s0 >> 16) & 0xff] ^
+- Te2[(s1 >> 8) & 0xff] ^
+- Te3[(s2 ) & 0xff] ^
+- rk[7];
+-
+- rk += 8;
+- if (--r == 0)
+- break;
+-
+- s0 =
+- Te0[(t0 >> 24) ] ^
+- Te1[(t1 >> 16) & 0xff] ^
+- Te2[(t2 >> 8) & 0xff] ^
+- Te3[(t3 ) & 0xff] ^
+- rk[0];
+- s1 =
+- Te0[(t1 >> 24) ] ^
+- Te1[(t2 >> 16) & 0xff] ^
+- Te2[(t3 >> 8) & 0xff] ^
+- Te3[(t0 ) & 0xff] ^
+- rk[1];
+- s2 =
+- Te0[(t2 >> 24) ] ^
+- Te1[(t3 >> 16) & 0xff] ^
+- Te2[(t0 >> 8) & 0xff] ^
+- Te3[(t1 ) & 0xff] ^
+- rk[2];
+- s3 =
+- Te0[(t3 >> 24) ] ^
+- Te1[(t0 >> 16) & 0xff] ^
+- Te2[(t1 >> 8) & 0xff] ^
+- Te3[(t2 ) & 0xff] ^
+- rk[3];
++ t0 =
++ Te0[(s0 >> 24) ] ^
++ Te1[(s1 >> 16) & 0xff] ^
++ Te2[(s2 >> 8) & 0xff] ^
++ Te3[(s3 ) & 0xff] ^
++ rk[4];
++ t1 =
++ Te0[(s1 >> 24) ] ^
++ Te1[(s2 >> 16) & 0xff] ^
++ Te2[(s3 >> 8) & 0xff] ^
++ Te3[(s0 ) & 0xff] ^
++ rk[5];
++ t2 =
++ Te0[(s2 >> 24) ] ^
++ Te1[(s3 >> 16) & 0xff] ^
++ Te2[(s0 >> 8) & 0xff] ^
++ Te3[(s1 ) & 0xff] ^
++ rk[6];
++ t3 =
++ Te0[(s3 >> 24) ] ^
++ Te1[(s0 >> 16) & 0xff] ^
++ Te2[(s1 >> 8) & 0xff] ^
++ Te3[(s2 ) & 0xff] ^
++ rk[7];
++
++ rk += 8;
++ if (--r == 0)
++ break;
++
++ s0 =
++ Te0[(t0 >> 24) ] ^
++ Te1[(t1 >> 16) & 0xff] ^
++ Te2[(t2 >> 8) & 0xff] ^
++ Te3[(t3 ) & 0xff] ^
++ rk[0];
++ s1 =
++ Te0[(t1 >> 24) ] ^
++ Te1[(t2 >> 16) & 0xff] ^
++ Te2[(t3 >> 8) & 0xff] ^
++ Te3[(t0 ) & 0xff] ^
++ rk[1];
++ s2 =
++ Te0[(t2 >> 24) ] ^
++ Te1[(t3 >> 16) & 0xff] ^
++ Te2[(t0 >> 8) & 0xff] ^
++ Te3[(t1 ) & 0xff] ^
++ rk[2];
++ s3 =
++ Te0[(t3 >> 24) ] ^
++ Te1[(t0 >> 16) & 0xff] ^
++ Te2[(t1 >> 8) & 0xff] ^
++ Te3[(t2 ) & 0xff] ^
++ rk[3];
+ }
+ #endif /* ?FULL_UNROLL */
+ /*
+@@ -1486,9 +1049,8 @@
+ PUTU32(ct + 12, s3);
+ }
+
+-void
+-aes_decrypt(const ulong rk[/* 4*(Nr + 1) */], int Nr, const uchar ct[16],
+- uchar pt[16])
++static void
++AESdecrypt(ulong rk[/* 4*(Nr + 1) */], int Nr, uchar ct[16], uchar pt[16])
+ {+ ulong s0, s1, s2, s3, t0, t1, t2, t3;
+ #ifndef FULL_UNROLL
+@@ -1499,360 +1061,200 @@
+ * map byte array block to cipher state
+ * and add initial round key:
+ */
+- s0 = GETU32(ct ) ^ rk[0];
+- s1 = GETU32(ct + 4) ^ rk[1];
+- s2 = GETU32(ct + 8) ^ rk[2];
+- s3 = GETU32(ct + 12) ^ rk[3];
++ s0 = GETU32(ct ) ^ rk[0];
++ s1 = GETU32(ct + 4) ^ rk[1];
++ s2 = GETU32(ct + 8) ^ rk[2];
++ s3 = GETU32(ct + 12) ^ rk[3];
+ #ifdef FULL_UNROLL
+- /* round 1: */
+- t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >> 8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[ 4];
+- t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >> 8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[ 5];
+- t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >> 8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[ 6];
+- t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >> 8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[ 7];
+- /* round 2: */
+- s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >> 8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[ 8];
+- s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >> 8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[ 9];
+- s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >> 8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[10];
+- s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >> 8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[11];
+- /* round 3: */
+- t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >> 8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[12];
+- t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >> 8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[13];
+- t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >> 8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[14];
+- t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >> 8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[15];
+- /* round 4: */
+- s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >> 8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[16];
+- s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >> 8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[17];
+- s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >> 8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[18];
+- s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >> 8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[19];
+- /* round 5: */
+- t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >> 8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[20];
+- t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >> 8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[21];
+- t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >> 8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[22];
+- t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >> 8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[23];
+- /* round 6: */
+- s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >> 8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[24];
+- s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >> 8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[25];
+- s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >> 8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[26];
+- s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >> 8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[27];
+- /* round 7: */
+- t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >> 8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[28];
+- t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >> 8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[29];
+- t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >> 8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[30];
+- t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >> 8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[31];
+- /* round 8: */
+- s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >> 8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[32];
+- s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >> 8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[33];
+- s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >> 8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[34];
+- s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >> 8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[35];
+- /* round 9: */
+- t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >> 8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[36];
+- t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >> 8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[37];
+- t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >> 8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[38];
+- t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >> 8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[39];
+- if (Nr > 10) {+- /* round 10: */
+- s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >> 8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[40];
+- s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >> 8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[41];
+- s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >> 8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[42];
+- s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >> 8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[43];
+- /* round 11: */
+- t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >> 8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[44];
+- t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >> 8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[45];
+- t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >> 8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[46];
+- t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >> 8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[47];
+- if (Nr > 12) {+- /* round 12: */
+- s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >> 8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[48];
+- s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >> 8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[49];
+- s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >> 8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[50];
+- s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >> 8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[51];
+- /* round 13: */
+- t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >> 8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[52];
+- t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >> 8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[53];
+- t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >> 8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[54];
+- t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >> 8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[55];
+- }
+- }
+- rk += Nr << 2;
+-#else /* !FULL_UNROLL */
+- /*
+- * Nr - 1 full rounds:
+- */
+- r = Nr >> 1;
+- for (;;) {+- t0 =
+- Td0[(s0 >> 24) ] ^
+- Td1[(s3 >> 16) & 0xff] ^
+- Td2[(s2 >> 8) & 0xff] ^
+- Td3[(s1 ) & 0xff] ^
+- rk[4];
+- t1 =
+- Td0[(s1 >> 24) ] ^
+- Td1[(s0 >> 16) & 0xff] ^
+- Td2[(s3 >> 8) & 0xff] ^
+- Td3[(s2 ) & 0xff] ^
+- rk[5];
+- t2 =
+- Td0[(s2 >> 24) ] ^
+- Td1[(s1 >> 16) & 0xff] ^
+- Td2[(s0 >> 8) & 0xff] ^
+- Td3[(s3 ) & 0xff] ^
+- rk[6];
+- t3 =
+- Td0[(s3 >> 24) ] ^
+- Td1[(s2 >> 16) & 0xff] ^
+- Td2[(s1 >> 8) & 0xff] ^
+- Td3[(s0 ) & 0xff] ^
+- rk[7];
+-
+- rk += 8;
+- if (--r == 0)
+- break;
+-
+- s0 =
+- Td0[(t0 >> 24) ] ^
+- Td1[(t3 >> 16) & 0xff] ^
+- Td2[(t2 >> 8) & 0xff] ^
+- Td3[(t1 ) & 0xff] ^
+- rk[0];
+- s1 =
+- Td0[(t1 >> 24) ] ^
+- Td1[(t0 >> 16) & 0xff] ^
+- Td2[(t3 >> 8) & 0xff] ^
+- Td3[(t2 ) & 0xff] ^
+- rk[1];
+- s2 =
+- Td0[(t2 >> 24) ] ^
+- Td1[(t1 >> 16) & 0xff] ^
+- Td2[(t0 >> 8) & 0xff] ^
+- Td3[(t3 ) & 0xff] ^
+- rk[2];
+- s3 =
+- Td0[(t3 >> 24) ] ^
+- Td1[(t2 >> 16) & 0xff] ^
+- Td2[(t1 >> 8) & 0xff] ^
+- Td3[(t0 ) & 0xff] ^
+- rk[3];
+- }
+-#endif /* ?FULL_UNROLL */
+- /*
+- * apply last round and
+- * map cipher state to byte array block:
+- */
+- s0 =
+- (Td4[(t0 >> 24) ] << 24) ^
+- (Td4[(t3 >> 16) & 0xff] << 16) ^
+- (Td4[(t2 >> 8) & 0xff] << 8) ^
+- (Td4[(t1 ) & 0xff] ) ^
+- rk[0];
+- PUTU32(pt , s0);
+- s1 =
+- (Td4[(t1 >> 24) ] << 24) ^
+- (Td4[(t0 >> 16) & 0xff] << 16) ^
+- (Td4[(t3 >> 8) & 0xff] << 8) ^
+- (Td4[(t2 ) & 0xff] ) ^
+- rk[1];
+- PUTU32(pt + 4, s1);
+- s2 =
+- (Td4[(t2 >> 24) ] << 24) ^
+- (Td4[(t1 >> 16) & 0xff] << 16) ^
+- (Td4[(t0 >> 8) & 0xff] << 8) ^
+- (Td4[(t3 ) & 0xff] ) ^
+- rk[2];
+- PUTU32(pt + 8, s2);
+- s3 =
+- (Td4[(t3 >> 24) ] << 24) ^
+- (Td4[(t2 >> 16) & 0xff] << 16) ^
+- (Td4[(t1 >> 8) & 0xff] << 8) ^
+- (Td4[(t0 ) & 0xff] ) ^
+- rk[3];
+- PUTU32(pt + 12, s3);
+-}
+-
+-#ifdef INTERMEDIATE_VALUE_KAT
+-
+-static void
+-aes_encryptRound(const u32 rk[/* 4*(Nr + 1) */], int Nr, u8 block[16],
+- int rounds)
+-{+- int r;
+- u32 s0, s1, s2, s3, t0, t1, t2, t3;
+-
+- /*
+- * map byte array block to cipher state
+- * and add initial round key:
+- */
+- s0 = GETU32(block ) ^ rk[0];
+- s1 = GETU32(block + 4) ^ rk[1];
+- s2 = GETU32(block + 8) ^ rk[2];
+- s3 = GETU32(block + 12) ^ rk[3];
+- rk += 4;
+-
+- /*
+- * Nr - 1 full rounds:
+- */
+- for (r = (rounds < Nr ? rounds : Nr - 1); r > 0; r--) {+- t0 =
+- Te0[(s0 >> 24) ] ^
+- Te1[(s1 >> 16) & 0xff] ^
+- Te2[(s2 >> 8) & 0xff] ^
+- Te3[(s3 ) & 0xff] ^
+- rk[0];
+- t1 =
+- Te0[(s1 >> 24) ] ^
+- Te1[(s2 >> 16) & 0xff] ^
+- Te2[(s3 >> 8) & 0xff] ^
+- Te3[(s0 ) & 0xff] ^
+- rk[1];
+- t2 =
+- Te0[(s2 >> 24) ] ^
+- Te1[(s3 >> 16) & 0xff] ^
+- Te2[(s0 >> 8) & 0xff] ^
+- Te3[(s1 ) & 0xff] ^
+- rk[2];
+- t3 =
+- Te0[(s3 >> 24) ] ^
+- Te1[(s0 >> 16) & 0xff] ^
+- Te2[(s1 >> 8) & 0xff] ^
+- Te3[(s2 ) & 0xff] ^
+- rk[3];
+- s0 = t0;
+- s1 = t1;
+- s2 = t2;
+- s3 = t3;
+- rk += 4;
+- }
+-
+- /*
+- * apply last round and
+- * map cipher state to byte array block:
+- */
+- if (rounds == Nr) {+- t0 =
+- (Te4[(s0 >> 24) ] << 24) ^
+- (Te4[(s1 >> 16) & 0xff] << 16) ^
+- (Te4[(s2 >> 8) & 0xff] << 8) ^
+- (Te4[(s3 ) & 0xff] ) ^
+- rk[0];
+- t1 =
+- (Te4[(s1 >> 24) ] << 24) ^
+- (Te4[(s2 >> 16) & 0xff] << 16) ^
+- (Te4[(s3 >> 8) & 0xff] << 8) ^
+- (Te4[(s0 ) & 0xff] ) ^
+- rk[1];
+- t2 =
+- (Te4[(s2 >> 24) ] << 24) ^
+- (Te4[(s3 >> 16) & 0xff] << 16) ^
+- (Te4[(s0 >> 8) & 0xff] << 8) ^
+- (Te4[(s1 ) & 0xff] ) ^
+- rk[2];
+- t3 =
+- (Te4[(s3 >> 24) ] << 24) ^
+- (Te4[(s0 >> 16) & 0xff] << 16) ^
+- (Te4[(s1 >> 8) & 0xff] << 8) ^
+- (Te4[(s2 ) & 0xff] ) ^
+- rk[3];
+- s0 = t0;
+- s1 = t1;
+- s2 = t2;
+- s3 = t3;
++ /* round 1: */
++ t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >> 8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[ 4];
++ t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >> 8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[ 5];
++ t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >> 8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[ 6];
++ t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >> 8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[ 7];
++ /* round 2: */
++ s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >> 8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[ 8];
++ s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >> 8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[ 9];
++ s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >> 8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[10];
++ s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >> 8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[11];
++ /* round 3: */
++ t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >> 8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[12];
++ t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >> 8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[13];
++ t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >> 8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[14];
++ t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >> 8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[15];
++ /* round 4: */
++ s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >> 8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[16];
++ s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >> 8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[17];
++ s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >> 8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[18];
++ s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >> 8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[19];
++ /* round 5: */
++ t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >> 8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[20];
++ t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >> 8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[21];
++ t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >> 8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[22];
++ t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >> 8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[23];
++ /* round 6: */
++ s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >> 8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[24];
++ s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >> 8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[25];
++ s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >> 8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[26];
++ s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >> 8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[27];
++ /* round 7: */
++ t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >> 8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[28];
++ t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >> 8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[29];
++ t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >> 8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[30];
++ t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >> 8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[31];
++ /* round 8: */
++ s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >> 8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[32];
++ s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >> 8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[33];
++ s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >> 8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[34];
++ s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >> 8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[35];
++ /* round 9: */
++ t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >> 8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[36];
++ t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >> 8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[37];
++ t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >> 8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[38];
++ t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >> 8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[39];
++ if (Nr > 10) {++ /* round 10: */
++ s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >> 8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[40];
++ s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >> 8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[41];
++ s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >> 8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[42];
++ s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >> 8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[43];
++ /* round 11: */
++ t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >> 8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[44];
++ t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >> 8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[45];
++ t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >> 8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[46];
++ t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >> 8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[47];
++ if (Nr > 12) {++ /* round 12: */
++ s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >> 8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[48];
++ s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >> 8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[49];
++ s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >> 8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[50];
++ s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >> 8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[51];
++ /* round 13: */
++ t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >> 8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[52];
++ t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >> 8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[53];
++ t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >> 8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[54];
++ t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >> 8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[55];
++ }
+ }
+-
+- PUTU32(block , s0);
+- PUTU32(block + 4, s1);
+- PUTU32(block + 8, s2);
+- PUTU32(block + 12, s3);
+-}
+-
+-static void
+-aes_decryptRound(const u32 rk[/* 4*(Nr + 1) */], int Nr, u8 block[16],
+- int rounds)
+-{+- int r;
+- u32 s0, s1, s2, s3, t0, t1, t2, t3;
+-
+- /*
+- * map byte array block to cipher state
+- * and add initial round key:
+- */
+- s0 = GETU32(block ) ^ rk[0];
+- s1 = GETU32(block + 4) ^ rk[1];
+- s2 = GETU32(block + 8) ^ rk[2];
+- s3 = GETU32(block + 12) ^ rk[3];
+- rk += 4;
+-
++ rk += Nr << 2;
++#else /* !FULL_UNROLL */
+ /*
+ * Nr - 1 full rounds:
+ */
+- for (r = (rounds < Nr ? rounds : Nr) - 1; r > 0; r--) {++ r = Nr >> 1;
++ for (;;) {+ t0 =
+ Td0[(s0 >> 24) ] ^
+ Td1[(s3 >> 16) & 0xff] ^
+ Td2[(s2 >> 8) & 0xff] ^
+ Td3[(s1 ) & 0xff] ^
+- rk[0];
++ rk[4];
+ t1 =
+ Td0[(s1 >> 24) ] ^
+ Td1[(s0 >> 16) & 0xff] ^
+ Td2[(s3 >> 8) & 0xff] ^
+ Td3[(s2 ) & 0xff] ^
+- rk[1];
++ rk[5];
+ t2 =
+ Td0[(s2 >> 24) ] ^
+ Td1[(s1 >> 16) & 0xff] ^
+ Td2[(s0 >> 8) & 0xff] ^
+ Td3[(s3 ) & 0xff] ^
+- rk[2];
++ rk[6];
+ t3 =
+ Td0[(s3 >> 24) ] ^
+ Td1[(s2 >> 16) & 0xff] ^
+ Td2[(s1 >> 8) & 0xff] ^
+ Td3[(s0 ) & 0xff] ^
+- rk[3];
++ rk[7];
+
+- s0 = t0;
+- s1 = t1;
+- s2 = t2;
+- s3 = t3;
+- rk += 4;
++ rk += 8;
++ if (--r == 0)
++ break;
++
++ s0 =
++ Td0[(t0 >> 24) ] ^
++ Td1[(t3 >> 16) & 0xff] ^
++ Td2[(t2 >> 8) & 0xff] ^
++ Td3[(t1 ) & 0xff] ^
++ rk[0];
++ s1 =
++ Td0[(t1 >> 24) ] ^
++ Td1[(t0 >> 16) & 0xff] ^
++ Td2[(t3 >> 8) & 0xff] ^
++ Td3[(t2 ) & 0xff] ^
++ rk[1];
++ s2 =
++ Td0[(t2 >> 24) ] ^
++ Td1[(t1 >> 16) & 0xff] ^
++ Td2[(t0 >> 8) & 0xff] ^
++ Td3[(t3 ) & 0xff] ^
++ rk[2];
++ s3 =
++ Td0[(t3 >> 24) ] ^
++ Td1[(t2 >> 16) & 0xff] ^
++ Td2[(t1 >> 8) & 0xff] ^
++ Td3[(t0 ) & 0xff] ^
++ rk[3];
+ }
+-
++#endif /* ?FULL_UNROLL */
+ /*
+- * complete the last round and
++ * apply last round and
+ * map cipher state to byte array block:
+ */
+- t0 =
+- (Td4[(s0 >> 24) ] << 24) ^
+- (Td4[(s3 >> 16) & 0xff] << 16) ^
+- (Td4[(s2 >> 8) & 0xff] << 8) ^
+- (Td4[(s1 ) & 0xff] );
+- t1 =
+- (Td4[(s1 >> 24) ] << 24) ^
+- (Td4[(s0 >> 16) & 0xff] << 16) ^
+- (Td4[(s3 >> 8) & 0xff] << 8) ^
+- (Td4[(s2 ) & 0xff] );
+- t2 =
+- (Td4[(s2 >> 24) ] << 24) ^
+- (Td4[(s1 >> 16) & 0xff] << 16) ^
+- (Td4[(s0 >> 8) & 0xff] << 8) ^
+- (Td4[(s3 ) & 0xff] );
+- t3 =
+- (Td4[(s3 >> 24) ] << 24) ^
+- (Td4[(s2 >> 16) & 0xff] << 16) ^
+- (Td4[(s1 >> 8) & 0xff] << 8) ^
+- (Td4[(s0 ) & 0xff] );
+-
+- if (rounds == Nr) {+- t0 ^= rk[0];
+- t1 ^= rk[1];
+- t2 ^= rk[2];
+- t3 ^= rk[3];
+- }
+-
+- PUTU32(block , t0);
+- PUTU32(block + 4, t1);
+- PUTU32(block + 8, t2);
+- PUTU32(block + 12, t3);
++ s0 =
++ (Td4[(t0 >> 24) ] << 24) ^
++ (Td4[(t3 >> 16) & 0xff] << 16) ^
++ (Td4[(t2 >> 8) & 0xff] << 8) ^
++ (Td4[(t1 ) & 0xff] ) ^
++ rk[0];
++ PUTU32(pt , s0);
++ s1 =
++ (Td4[(t1 >> 24) ] << 24) ^
++ (Td4[(t0 >> 16) & 0xff] << 16) ^
++ (Td4[(t3 >> 8) & 0xff] << 8) ^
++ (Td4[(t2 ) & 0xff] ) ^
++ rk[1];
++ PUTU32(pt + 4, s1);
++ s2 =
++ (Td4[(t2 >> 24) ] << 24) ^
++ (Td4[(t1 >> 16) & 0xff] << 16) ^
++ (Td4[(t0 >> 8) & 0xff] << 8) ^
++ (Td4[(t3 ) & 0xff] ) ^
++ rk[2];
++ PUTU32(pt + 8, s2);
++ s3 =
++ (Td4[(t3 >> 24) ] << 24) ^
++ (Td4[(t2 >> 16) & 0xff] << 16) ^
++ (Td4[(t1 >> 8) & 0xff] << 8) ^
++ (Td4[(t0 ) & 0xff] ) ^
++ rk[3];
++ PUTU32(pt + 12, s3);
+ }
+
+-#endif /* INTERMEDIATE_VALUE_KAT */
++void (*aes_encrypt)(ulong rk[], int Nr, uchar pt[16], uchar ct[16]) = AESencrypt;
++void (*aes_decrypt)(ulong rk[], int Nr, uchar ct[16], uchar pt[16]) = AESdecrypt;
++
++void
++setupAESstate(AESstate *s, uchar key[], int nkey, uchar *ivec)
++{++ static int (*aes_setup)(ulong erk[/* 4*(Nr + 1) */], ulong drk[/* 4*(Nr + 1) */], uchar key[], int nkey);
++
++ if(aes_setup == nil){++ extern void *aesni_init(void);
++ if((aes_setup = aesni_init()) == nil)
++ aes_setup = AESsetup;
++ }
++ memset(s, 0, sizeof(*s));
++ if(nkey > AESmaxkey)
++ nkey = AESmaxkey;
++ memmove(s->key, key, nkey);
++ s->keybytes = nkey;
++ s->ctrsz = 4; /* default counter size from rfc3686 */
++ s->ekey = s->storage+16 - (s->storage - (uchar*)0 & 15);
++ s->dkey = (uchar*)s->ekey + 16*(AESmaxrounds+1);
++ s->rounds = (*aes_setup)(s->ekey, s->dkey, s->key, nkey);
++ if(ivec != nil)
++ memmove(s->ivec, ivec, AESbsize);
++ if(s->rounds != 0)
++ s->setup = 0xcafebabe;
++}
+--- /dev/null Mon Jun 28 00:12:24 2021
++++ /sys/src/libsec/port/aesCTR.c Mon Jun 28 17:01:07 2021
+@@ -0,0 +1,69 @@
++#include <u.h>
++#include <libc.h>
++#include <mp.h>
++#include <libsec.h>
++
++/*
++ * AES-CTR mode, per rfc3686.
++ * CTRs could be precalculated for efficiency
++ * and there would also be less back and forth mp
++ */
++
++static void
++incrementCTR(uchar *p, uint ctrsz)
++{++ int len;
++ ulong c;
++ uchar *ctr;
++ mpint *mpctr, *mpctrsz;
++
++ ctr = p + AESbsize - ctrsz;
++ if(ctrsz == 4){++ /*
++ * If counter is 32 bits (as in rfc3686 and ssh2) there's
++ * no need to use extended precision.
++ */
++ c = 1 + (ctr[0]<<24 | ctr[1]<<16 | ctr[2]<<8 | ctr[3]);
++ ctr[0] = c>>24; ctr[1] = c>>16; ctr[2] = c>>8; ctr[3] = c;
++ return;
++ }
++ mpctr = betomp(ctr, ctrsz, nil);
++ mpctrsz = mpnew(ctrsz*8 + 1);
++ mpleft(mpone, ctrsz*8, mpctrsz);
++ mpadd(mpctr, mpone, mpctr);
++ mpmod(mpctr, mpctrsz, mpctr);
++ len = mptobe(mpctr, ctr, ctrsz, nil);
++ assert(len == ctrsz);
++ mpfree(mpctrsz);
++ mpfree(mpctr);
++}
++
++void
++aesCTRencrypt(uchar *p, int len, AESstate *s)
++{++ uchar q[AESbsize];
++ uchar *ip, *eip, *ctr;
++
++ ctr = s->ivec;
++ for(; len >= AESbsize; len -= AESbsize){++ ip = q;
++ aes_encrypt(s->ekey, s->rounds, ctr, q);
++ for(eip = p + AESbsize; p < eip; )
++ *p++ ^= *ip++;
++ incrementCTR(ctr, s->ctrsz);
++ }
++
++ if(len > 0){++ ip = q;
++ aes_encrypt(s->ekey, s->rounds, ctr, q);
++ for(eip = p + len; p < eip; )
++ *p++ ^= *ip++;
++ incrementCTR(ctr, s->ctrsz);
++ }
++}
++
++void
++aesCTRdecrypt(uchar *p, int len, AESstate *s)
++{++ aesCTRencrypt(p, len, s);
++}
+--- /dev/null Mon Jun 28 00:12:24 2021
++++ /sys/src/libsec/port/aesCBC.c Sat Jun 26 21:21:40 2021
+@@ -0,0 +1,96 @@
++#include <u.h>
++#include <libc.h>
++#include <mp.h>
++#include <libsec.h>
++
++/*
++ * Define by analogy with desCBCencrypt; AES modes are not standardized yet.
++ * Because of the way that non-multiple-of-16 buffers are handled,
++ * the decryptor must be fed buffers of the same size as the encryptor.
++ */
++void
++aesCBCencrypt(uchar *p, int len, AESstate *s)
++{++ uchar *ip, *eip;
++
++ if(((p-(uchar*)0) & 3) == 0){++ for(; len >= AESbsize; len -= AESbsize){++ ip = s->ivec;
++ ((u32int*)ip)[0] ^= ((u32int*)p)[0];
++ ((u32int*)ip)[1] ^= ((u32int*)p)[1];
++ ((u32int*)ip)[2] ^= ((u32int*)p)[2];
++ ((u32int*)ip)[3] ^= ((u32int*)p)[3];
++
++ aes_encrypt(s->ekey, s->rounds, ip, ip);
++
++ ((u32int*)p)[0] = ((u32int*)ip)[0];
++ ((u32int*)p)[1] = ((u32int*)ip)[1];
++ ((u32int*)p)[2] = ((u32int*)ip)[2];
++ ((u32int*)p)[3] = ((u32int*)ip)[3];
++ p += AESbsize;
++ }
++ } else {++ for(; len >= AESbsize; len -= AESbsize){++ ip = s->ivec;
++ for(eip = ip+AESbsize; ip < eip; )
++ *ip++ ^= *p++;
++ aes_encrypt(s->ekey, s->rounds, s->ivec, s->ivec);
++ memmove(p - AESbsize, s->ivec, AESbsize);
++ }
++ }
++
++ if(len > 0){++ ip = s->ivec;
++ aes_encrypt(s->ekey, s->rounds, ip, ip);
++ for(eip = ip+len; ip < eip; )
++ *p++ ^= *ip++;
++ }
++}
++
++void
++aesCBCdecrypt(uchar *p, int len, AESstate *s)
++{++ uchar *ip, *eip, *tp;
++ u32int t[4];
++
++ if(((p-(uchar*)0) & 3) == 0){++ for(; len >= AESbsize; len -= AESbsize){++ t[0] = ((u32int*)p)[0];
++ t[1] = ((u32int*)p)[1];
++ t[2] = ((u32int*)p)[2];
++ t[3] = ((u32int*)p)[3];
++
++ aes_decrypt(s->dkey, s->rounds, p, p);
++
++ ip = s->ivec;
++ ((u32int*)p)[0] ^= ((u32int*)ip)[0];
++ ((u32int*)p)[1] ^= ((u32int*)ip)[1];
++ ((u32int*)p)[2] ^= ((u32int*)ip)[2];
++ ((u32int*)p)[3] ^= ((u32int*)ip)[3];
++ p += AESbsize;
++
++ ((u32int*)ip)[0] = t[0];
++ ((u32int*)ip)[1] = t[1];
++ ((u32int*)ip)[2] = t[2];
++ ((u32int*)ip)[3] = t[3];
++ }
++ } else {++ for(; len >= AESbsize; len -= AESbsize){++ tp = (uchar*)t;
++ memmove(tp, p, AESbsize);
++ aes_decrypt(s->dkey, s->rounds, p, p);
++ ip = s->ivec;
++ for(eip = ip+AESbsize; ip < eip; ){++ *p++ ^= *ip;
++ *ip++ = *tp++;
++ }
++ }
++ }
++
++ if(len > 0){++ ip = s->ivec;
++ aes_encrypt(s->ekey, s->rounds, ip, ip);
++ for(eip = ip+len; ip < eip; )
++ *p++ ^= *ip++;
++ }
++}
+--- /dev/null Mon Jun 28 00:12:24 2021
++++ /sys/src/libsec/port/aesCFB.c Sat Jun 26 21:21:40 2021
+@@ -0,0 +1,52 @@
++#include <u.h>
++#include <libc.h>
++#include <mp.h>
++#include <libsec.h>
++
++typedef ulong u32;
++
++void
++aesCFBencrypt(uchar *p, int len, AESstate *s)
++{++ u32 a, o = s->offset;
++
++ while(len > 0){++ if(o % 16){++ Odd:
++ a = (s->ivec[o++ % 16] ^= *p), *p++ = a, len--;
++ continue;
++ }
++ aes_encrypt(s->ekey, s->rounds, s->ivec, s->ivec);
++ if(len < 16 || ((p-(uchar*)0) & 3) != 0)
++ goto Odd;
++ ((u32*)p)[0] = (((u32*)s->ivec)[0] ^= ((u32*)p)[0]);
++ ((u32*)p)[1] = (((u32*)s->ivec)[1] ^= ((u32*)p)[1]);
++ ((u32*)p)[2] = (((u32*)s->ivec)[2] ^= ((u32*)p)[2]);
++ ((u32*)p)[3] = (((u32*)s->ivec)[3] ^= ((u32*)p)[3]);
++ o += 16, p += 16, len -= 16;
++ }
++ s->offset = o;
++}
++
++void
++aesCFBdecrypt(uchar *p, int len, AESstate *s)
++{++ u32 a, o = s->offset;
++
++ while(len > 0){++ if(o % 16){++ Odd:
++ a = *p, *p++ ^= s->ivec[o % 16], s->ivec[o++ % 16] = a, len--;
++ continue;
++ }
++ aes_encrypt(s->ekey, s->rounds, s->ivec, s->ivec);
++ if(len < 16 || ((p-(uchar*)0) & 3) != 0)
++ goto Odd;
++ a = ((u32*)p)[0], ((u32*)p)[0] ^= ((u32*)s->ivec)[0], ((u32*)s->ivec)[0] = a;
++ a = ((u32*)p)[1], ((u32*)p)[1] ^= ((u32*)s->ivec)[1], ((u32*)s->ivec)[1] = a;
++ a = ((u32*)p)[2], ((u32*)p)[2] ^= ((u32*)s->ivec)[2], ((u32*)s->ivec)[2] = a;
++ a = ((u32*)p)[3], ((u32*)p)[3] ^= ((u32*)s->ivec)[3], ((u32*)s->ivec)[3] = a;
++ o += 16, p += 16, len -= 16;
++ }
++ s->offset = o;
++}
+--- /dev/null Mon Jun 28 00:12:24 2021
++++ /sys/src/libsec/port/aesOFB.c Sat Jun 26 21:21:40 2021
+@@ -0,0 +1,30 @@
++#include <u.h>
++#include <libc.h>
++#include <mp.h>
++#include <libsec.h>
++
++typedef ulong u32;
++
++void
++aesOFBencrypt(uchar *p, int len, AESstate *s)
++{++ u32 o = s->offset;
++
++ while(len > 0){++ if(o % 16){++ Odd:
++ *p++ ^= s->ivec[o++ % 16], len--;
++ continue;
++ }
++ aes_encrypt(s->ekey, s->rounds, s->ivec, s->ivec);
++ if(len < 16 || ((p-(uchar*)0) & 3) != 0)
++ goto Odd;
++ ((u32*)p)[0] ^= ((u32*)s->ivec)[0];
++ ((u32*)p)[1] ^= ((u32*)s->ivec)[1];
++ ((u32*)p)[2] ^= ((u32*)s->ivec)[2];
++ ((u32*)p)[3] ^= ((u32*)s->ivec)[3];
++ o += 16, p += 16, len -= 16;
++ }
++ s->offset = o;
++}
++
+--- /dev/null Mon Jun 28 00:12:24 2021
++++ /sys/src/libsec/port/aesXCBmac.c Sat Jun 26 21:21:40 2021
+@@ -0,0 +1,95 @@
++#include <u.h>
++#include <libc.h>
++#include <mp.h>
++#include <libsec.h>
++
++/*
++ * AES-XCBC-MAC-96 message authentication, per rfc3566.
++ */
++static uchar basekey[3][16] = {++ {++ 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
++ 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
++ },
++ {++ 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02,
++ 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02,
++ },
++ {++ 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03,
++ 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03,
++ },
++};
++
++void
++setupAESXCBCstate(AESstate *s) /* was setupmac96 */
++{++ int i, j;
++ uint q[16 / sizeof(uint)];
++ uchar *p;
++
++ assert(s->keybytes == 16);
++ for(i = 0; i < 3; i++)
++ aes_encrypt(s->ekey, s->rounds, basekey[i],
++ s->mackey + AESbsize*i);
++
++ p = s->mackey;
++ memset(q, 0, AESbsize);
++
++ /*
++ * put the in the right endian. once figured, probably better
++ * to use some fcall macros.
++ * keys for encryption in local endianness for the algorithm...
++ * only key1 is used for encryption;
++ * BUG!!: I think this is what I got wrong.
++ */
++ for(i = 0; i < 16 / sizeof(uint); i ++){++ for(j = 0; j < sizeof(uint); j++)
++ q[i] |= p[sizeof(uint)-j-1] << 8*j;
++ p += sizeof(uint);
++ }
++ memmove(s->mackey, q, 16);
++}
++
++/*
++ * Not dealing with > 128-bit keys, not dealing with strange corner cases like
++ * empty message. Should be fine for AES-XCBC-MAC-96.
++ */
++uchar*
++aesXCBCmac(uchar *p, int len, AESstate *s)
++{++ uchar *p2, *ip, *eip, *mackey;
++ uchar q[AESbsize];
++
++ assert(s->keybytes == 16); /* more complicated for bigger */
++ memset(s->ivec, 0, AESbsize); /* E[0] is 0+ */
++
++ for(; len > AESbsize; len -= AESbsize){++ memmove(q, p, AESbsize);
++ p2 = q;
++ ip = s->ivec;
++ for(eip = ip + AESbsize; ip < eip; )
++ *p2++ ^= *ip++;
++ aes_encrypt((ulong *)s->mackey, s->rounds, q, s->ivec);
++ p += AESbsize;
++ }
++ /* the last one */
++
++ memmove(q, p, len);
++ p2 = q+len;
++ if(len == AESbsize)
++ mackey = s->mackey + AESbsize; /* k2 */
++ else{++ mackey = s->mackey+2*AESbsize; /* k3 */
++ *p2++ = 1 << 7; /* padding */
++ len = AESbsize - len - 1;
++ memset(p2, 0, len);
++ }
++
++ ip = s->ivec;
++ p2 = q;
++ for(eip = ip + AESbsize; ip < eip; )
++ *p2++ ^= *ip++ ^ *mackey++;
++ aes_encrypt((ulong *)s->mackey, s->rounds, q, s->ivec);
++ return s->ivec; /* only the 12 bytes leftmost */
++}
+--- /dev/null Mon Jun 28 00:12:24 2021
++++ /sys/src/libsec/port/aes_gcm.c Sat Jun 26 21:21:40 2021
+@@ -0,0 +1,201 @@
++#include <u.h>
++#include <libc.h>
++#include <mp.h>
++#include <libsec.h>
++
++static void
++load128(uchar b[16], ulong W[4])
++{++ W[0] = (ulong)b[15] | (ulong)b[14]<<8 | (ulong)b[13]<<16 | (ulong)b[12]<<24;
++ W[1] = (ulong)b[11] | (ulong)b[10]<<8 | (ulong)b[ 9]<<16 | (ulong)b[ 8]<<24;
++ W[2] = (ulong)b[ 7] | (ulong)b[ 6]<<8 | (ulong)b[ 5]<<16 | (ulong)b[ 4]<<24;
++ W[3] = (ulong)b[ 3] | (ulong)b[ 2]<<8 | (ulong)b[ 1]<<16 | (ulong)b[ 0]<<24;
++}
++
++static void
++store128(ulong W[4], uchar b[16])
++{++ b[15] = W[0], b[14] = W[0]>>8, b[13] = W[0]>>16, b[12] = W[0]>>24;
++ b[11] = W[1], b[10] = W[1]>>8, b[ 9] = W[1]>>16, b[ 8] = W[1]>>24;
++ b[ 7] = W[2], b[ 6] = W[2]>>8, b[ 5] = W[2]>>16, b[ 4] = W[2]>>24;
++ b[ 3] = W[3], b[ 2] = W[3]>>8, b[ 1] = W[3]>>16, b[ 0] = W[3]>>24;
++}
++
++static void
++gfmul(ulong X[4], ulong Y[4], ulong Z[4])
++{++ long m, i;
++
++ Z[0] = Z[1] = Z[2] = Z[3] = 0;
++ for(i=127; i>=0; i--){++ m = ((long)Y[i>>5] << 31-(i&31)) >> 31;
++ Z[0] ^= X[0] & m;
++ Z[1] ^= X[1] & m;
++ Z[2] ^= X[2] & m;
++ Z[3] ^= X[3] & m;
++ m = ((long)X[0]<<31) >> 31;
++ X[0] = X[0]>>1 | X[1]<<31;
++ X[1] = X[1]>>1 | X[2]<<31;
++ X[2] = X[2]>>1 | X[3]<<31;
++ X[3] = X[3]>>1 ^ (0xE1000000 & m);
++ }
++}
++
++static void
++prepareM(ulong H[4], ulong M[16][256][4])
++{++ ulong X[4], i, j;
++
++ for(i=0; i<16; i++){++ for(j=0; j<256; j++){++ X[0] = X[1] = X[2] = X[3] = 0;
++ X[i>>2] = j<<((i&3)<<3);
++ gfmul(X, H, M[i][j]);
++ }
++ }
++}
++
++static void
++ghash1(AESGCMstate *s, ulong X[4], ulong Y[4])
++{++ ulong *Xi, i;
++
++ X[0] ^= Y[0], X[1] ^= Y[1], X[2] ^= Y[2], X[3] ^= Y[3];
++ if(0){++ gfmul(X, s->H, Y);
++ return;
++ }
++
++ Y[0] = Y[1] = Y[2] = Y[3] = 0;
++ for(i=0; i<16; i++){++ Xi = s->M[i][(X[i>>2]>>((i&3)<<3))&0xFF];
++ Y[0] ^= Xi[0];
++ Y[1] ^= Xi[1];
++ Y[2] ^= Xi[2];
++ Y[3] ^= Xi[3];
++ }
++}
++
++static void
++ghashn(AESGCMstate *s, uchar *dat, ulong len, ulong Y[4])
++{++ uchar tmp[16];
++ ulong X[4];
++
++ while(len >= 16){++ load128(dat, X);
++ ghash1(s, X, Y);
++ dat += 16, len -= 16;
++ }
++ if(len > 0){++ memmove(tmp, dat, len);
++ memset(tmp+len, 0, 16-len);
++ load128(tmp, X);
++ ghash1(s, X, Y);
++ }
++}
++
++static ulong
++aesxctr1(AESstate *s, uchar ctr[AESbsize], uchar *dat, ulong len)
++{++ uchar tmp[AESbsize];
++ ulong i;
++
++ aes_encrypt(s->ekey, s->rounds, ctr, tmp);
++ if(len > AESbsize)
++ len = AESbsize;
++ for(i=0; i<len; i++)
++ dat[i] ^= tmp[i];
++ return len;
++}
++
++static void
++aesxctrn(AESstate *s, uchar *dat, ulong len)
++{++ uchar ctr[AESbsize];
++ ulong i;
++
++ memmove(ctr, s->ivec, AESbsize);
++ while(len > 0){++ for(i=AESbsize-1; i>=AESbsize-4; i--)
++ if(++ctr[i] != 0)
++ break;
++
++ if(aesxctr1(s, ctr, dat, len) < AESbsize)
++ break;
++ dat += AESbsize;
++ len -= AESbsize;
++ }
++}
++
++void
++aesgcm_setiv(AESGCMstate *s, uchar *iv, int ivlen)
++{++ if(ivlen == 96/8){++ memmove(s->ivec, iv, ivlen);
++ memset(s->ivec+ivlen, 0, AESbsize-ivlen);
++ s->ivec[AESbsize-1] = 1;
++ } else {++ ulong L[4], Y[4] = {0};++
++ ghashn(s, iv, ivlen, Y);
++ L[0] = ivlen << 3;
++ L[1] = ivlen >> 29;
++ L[2] = L[3] = 0;
++ ghash1(s, L, Y);
++ store128(Y, s->ivec);
++ }
++}
++
++void
++setupAESGCMstate(AESGCMstate *s, uchar *key, int keylen, uchar *iv, int ivlen)
++{++ setupAESstate(s, key, keylen, nil);
++
++ memset(s->ivec, 0, AESbsize);
++ aes_encrypt(s->ekey, s->rounds, s->ivec, s->ivec);
++ load128(s->ivec, s->H);
++ memset(s->ivec, 0, AESbsize);
++ prepareM(s->H, s->M);
++
++ if(iv != nil && ivlen > 0)
++ aesgcm_setiv(s, iv, ivlen);
++}
++
++void
++aesgcm_encrypt(uchar *dat, ulong ndat, uchar *aad, ulong naad, uchar tag[16], AESGCMstate *s)
++{++ ulong L[4], Y[4] = {0};++
++ ghashn(s, aad, naad, Y);
++ aesxctrn(s, dat, ndat);
++ ghashn(s, dat, ndat, Y);
++ L[0] = ndat << 3;
++ L[1] = ndat >> 29;
++ L[2] = naad << 3;
++ L[3] = naad >> 29;
++ ghash1(s, L, Y);
++ store128(Y, tag);
++ aesxctr1(s, s->ivec, tag, 16);
++}
++
++int
++aesgcm_decrypt(uchar *dat, ulong ndat, uchar *aad, ulong naad, uchar tag[16], AESGCMstate *s)
++{++ ulong L[4], Y[4] = {0};++ uchar tmp[16];
++
++ ghashn(s, aad, naad, Y);
++ ghashn(s, dat, ndat, Y);
++ L[0] = ndat << 3;
++ L[1] = ndat >> 29;
++ L[2] = naad << 3;
++ L[3] = naad >> 29;
++ ghash1(s, L, Y);
++ store128(Y, tmp);
++ aesxctr1(s, s->ivec, tmp, 16);
++ if(tsmemcmp(tag, tmp, 16) != 0)
++ return -1;
++ aesxctrn(s, dat, ndat);
++ return 0;
++}
+--- /dev/null Mon Jun 28 00:12:24 2021
++++ /sys/src/libsec/port/aes_xts.c Sat Jun 26 21:21:40 2021
+@@ -0,0 +1,85 @@
++#include <u.h>
++#include <libc.h>
++#include <mp.h>
++#include <libsec.h>
++
++/* little-endian data order */
++#define GET4(p) ((p)[0]|((p)[1]<<8)|((p)[2]<<16)|((p)[3]<<24))
++#define PUT4(p,v) (p)[0]=(v);(p)[1]=(v)>>8;(p)[2]=(v)>>16;(p)[3]=(v)>>24
++
++static void
++gf_mulx(uchar *x)
++{++ ulong t0, t1, t2, t3, t4;
++
++ t0 = GET4(x);
++ t1 = GET4(x+4);
++ t2 = GET4(x+8);
++ t3 = GET4(x+12);
++
++ t4 = (t3 >> 31);
++ t3 = (t3 << 1) | (t2 >> 31);
++ t2 = (t2 << 1) | (t1 >> 31);
++ t1 = (t1 << 1) | (t0 >> 31);
++ t0 = (t0 << 1) ^ (t4*135);
++
++ PUT4(x, t0);
++ PUT4(x+4, t1);
++ PUT4(x+8, t2);
++ PUT4(x+12, t3);
++}
++
++static void
++xor128(uchar *o, uchar *i1, uchar *i2)
++{++ int i;
++
++ for(i=0; i<16; i++)
++ o[i] = i1[i] ^ i2[i];
++}
++
++static void
++setupT(AESstate *tweak, uvlong sectorNumber, uchar T[AESbsize])
++{++ PUT4(T+0, (ulong)sectorNumber), sectorNumber >>= 32;
++ PUT4(T+4, (ulong)sectorNumber);
++ PUT4(T+8, 0);
++ PUT4(T+12, 0);
++ aes_encrypt(tweak->ekey, tweak->rounds, T, T);
++}
++
++void
++aes_xts_encrypt(AESstate *tweak, AESstate *ecb,
++ uvlong sectorNumber, uchar *input, uchar *output, ulong len)
++{++ uchar T[AESbsize], x[AESbsize];
++
++ if(len % AESbsize)
++ abort();
++
++ setupT(tweak, sectorNumber, T);
++ for (; len > 0; len -= AESbsize, input += AESbsize, output += AESbsize) {++ xor128(x, input, T);
++ aes_encrypt(ecb->ekey, ecb->rounds, x, x);
++ xor128(output, x, T);
++ gf_mulx(T);
++ }
++}
++
++void
++aes_xts_decrypt(AESstate *tweak, AESstate *ecb,
++ uvlong sectorNumber, uchar *input, uchar *output, ulong len)
++{++ uchar T[AESbsize], x[AESbsize];
++
++ if(len % AESbsize)
++ abort();
++
++ setupT(tweak, sectorNumber, T);
++ for (; len > 0; len -= AESbsize, input += AESbsize, output += AESbsize) {++ xor128(x, input, T);
++ aes_decrypt(ecb->dkey, ecb->rounds, x, x);
++ xor128(output, x, T);
++ gf_mulx(T);
++ }
++}
+--- /dev/null Mon Jun 28 00:12:24 2021
++++ /sys/src/libsec/port/aesgcmtest.c Sat Jun 26 21:21:40 2021
+@@ -0,0 +1,314 @@
++#include <u.h>
++#include <libc.h>
++#include <mp.h>
++#include <libsec.h>
++
++typedef struct Test Test;
++struct Test
++{++ char *K;
++ char *P;
++ char *A;
++ char *IV;
++ char *T;
++};
++
++Test tests[] = {++ { /* Test Case 1 */++ "00000000000000000000000000000000",
++ "",
++ "",
++ "000000000000000000000000",
++
++ "58E2FCCEFA7E3061367F1D57A4E7455A"
++ },
++ { /* Test Case 2 */++ "00000000000000000000000000000000",
++ "00000000000000000000000000000000",
++ "",
++ "000000000000000000000000",
++
++ "AB6E47D42CEC13BDF53A67B21257BDDF",
++ },
++ { /* Test Case 3 */++ "feffe9928665731c6d6a8f9467308308",
++ "d9313225f88406e5a55909c5aff5269a"
++ "86a7a9531534f7da2e4c303d8a318a72"
++ "1c3c0c95956809532fcf0e2449a6b525"
++ "b16aedf5aa0de657ba637b391aafd255",
++ "",
++ "cafebabefacedbaddecaf888",
++
++ "4D5C2AF327CD64A62CF35ABD2BA6FAB4"
++ },
++ { /* Test Case 4 */++ "feffe9928665731c6d6a8f9467308308",
++ "d9313225f88406e5a55909c5aff5269a"
++ "86a7a9531534f7da2e4c303d8a318a72"
++ "1c3c0c95956809532fcf0e2449a6b525"
++ "b16aedf5aa0de657ba637b39",
++ "feedfacedeadbeeffeedfacedeadbeef"
++ "abaddad2",
++ "cafebabefacedbaddecaf888",
++
++ "5BC94FBC3221A5DB94FAE95AE7121A47"
++ },
++ { /* Test Case 5 */++ "feffe9928665731c6d6a8f9467308308",
++ "d9313225f88406e5a55909c5aff5269a"
++ "86a7a9531534f7da2e4c303d8a318a72"
++ "1c3c0c95956809532fcf0e2449a6b525"
++ "b16aedf5aa0de657ba637b39",
++ "feedfacedeadbeeffeedfacedeadbeef"
++ "abaddad2",
++ "cafebabefacedbad",
++
++ "3612D2E79E3B0785561BE14AACA2FCCB"
++ },
++ { /* Test Case 6 */++ "feffe9928665731c6d6a8f9467308308",
++ "d9313225f88406e5a55909c5aff5269a"
++ "86a7a9531534f7da2e4c303d8a318a72"
++ "1c3c0c95956809532fcf0e2449a6b525"
++ "b16aedf5aa0de657ba637b39",
++ "feedfacedeadbeeffeedfacedeadbeef"
++ "abaddad2",
++ "9313225df88406e555909c5aff5269aa"
++ "6a7a9538534f7da1e4c303d2a318a728"
++ "c3c0c95156809539fcf0e2429a6b5254"
++ "16aedbf5a0de6a57a637b39b",
++
++ "619CC5AEFFFE0BFA462AF43C1699D050"
++ },
++ { /* Test Case 7 */++ "00000000000000000000000000000000"
++ "0000000000000000",
++ "",
++ "",
++ "000000000000000000000000",
++
++ "CD33B28AC773F74BA00ED1F312572435"
++ },
++ { /* Test Case 8 */++ "00000000000000000000000000000000"
++ "0000000000000000",
++ "00000000000000000000000000000000",
++ "",
++ "000000000000000000000000",
++
++ "2FF58D80033927AB8EF4D4587514F0FB"
++ },
++ { /* Test Case 9 */++ "feffe9928665731c6d6a8f9467308308"
++ "feffe9928665731c",
++ "d9313225f88406e5a55909c5aff5269a"
++ "86a7a9531534f7da2e4c303d8a318a72"
++ "1c3c0c95956809532fcf0e2449a6b525"
++ "b16aedf5aa0de657ba637b391aafd255",
++ "",
++ "cafebabefacedbaddecaf888",
++
++ "9924A7C8587336BFB118024DB8674A14"
++ },
++ { /* Test Case 10 */++ "feffe9928665731c6d6a8f9467308308"
++ "feffe9928665731c",
++ "d9313225f88406e5a55909c5aff5269a"
++ "86a7a9531534f7da2e4c303d8a318a72"
++ "1c3c0c95956809532fcf0e2449a6b525"
++ "b16aedf5aa0de657ba637b39",
++ "feedfacedeadbeeffeedfacedeadbeef"
++ "abaddad2",
++ "cafebabefacedbaddecaf888",
++
++ "2519498E80F1478F37BA55BD6D27618C"
++ },
++ { /* Test Case 11 */++ "feffe9928665731c6d6a8f9467308308"
++ "feffe9928665731c",
++ "d9313225f88406e5a55909c5aff5269a"
++ "86a7a9531534f7da2e4c303d8a318a72"
++ "1c3c0c95956809532fcf0e2449a6b525"
++ "b16aedf5aa0de657ba637b39",
++ "feedfacedeadbeeffeedfacedeadbeef"
++ "abaddad2",
++ "cafebabefacedbad",
++
++ "65DCC57FCF623A24094FCCA40D3533F8"
++ },
++ { /* Test Case 12 */++ "feffe9928665731c6d6a8f9467308308"
++ "feffe9928665731c",
++ "d9313225f88406e5a55909c5aff5269a"
++ "86a7a9531534f7da2e4c303d8a318a72"
++ "1c3c0c95956809532fcf0e2449a6b525"
++ "b16aedf5aa0de657ba637b39",
++ "feedfacedeadbeeffeedfacedeadbeef"
++ "abaddad2",
++ "9313225df88406e555909c5aff5269aa"
++ "6a7a9538534f7da1e4c303d2a318a728"
++ "c3c0c95156809539fcf0e2429a6b5254"
++ "16aedbf5a0de6a57a637b39b",
++
++ "DCF566FF291C25BBB8568FC3D376A6D9"
++ },
++ { /* Test Case 13 */++ "00000000000000000000000000000000"
++ "00000000000000000000000000000000",
++ "",
++ "",
++ "000000000000000000000000",
++
++ "530F8AFBC74536B9A963B4F1C4CB738B"
++ },
++ { /* Test Case 14 */++ "00000000000000000000000000000000"
++ "00000000000000000000000000000000",
++ "00000000000000000000000000000000",
++ "",
++ "000000000000000000000000",
++
++ "D0D1C8A799996BF0265B98B5D48AB919"
++ },
++ { /* Test Case 15 */++ "feffe9928665731c6d6a8f9467308308"
++ "feffe9928665731c6d6a8f9467308308",
++ "d9313225f88406e5a55909c5aff5269a"
++ "86a7a9531534f7da2e4c303d8a318a72"
++ "1c3c0c95956809532fcf0e2449a6b525"
++ "b16aedf5aa0de657ba637b391aafd255",
++ "",
++ "cafebabefacedbaddecaf888",
++
++ "B094DAC5D93471BDEC1A502270E3CC6C"
++ },
++ { /* Test Case 16 */++ "feffe9928665731c6d6a8f9467308308"
++ "feffe9928665731c6d6a8f9467308308",
++ "d9313225f88406e5a55909c5aff5269a"
++ "86a7a9531534f7da2e4c303d8a318a72"
++ "1c3c0c95956809532fcf0e2449a6b525"
++ "b16aedf5aa0de657ba637b39",
++ "feedfacedeadbeeffeedfacedeadbeef"
++ "abaddad2",
++ "cafebabefacedbaddecaf888",
++
++ "76FC6ECE0F4E1768CDDF8853BB2D551B"
++ },
++ { /* Test Case 17 */++ "feffe9928665731c6d6a8f9467308308"
++ "feffe9928665731c6d6a8f9467308308",
++ "d9313225f88406e5a55909c5aff5269a"
++ "86a7a9531534f7da2e4c303d8a318a72"
++ "1c3c0c95956809532fcf0e2449a6b525"
++ "b16aedf5aa0de657ba637b39",
++ "feedfacedeadbeeffeedfacedeadbeef"
++ "abaddad2",
++ "cafebabefacedbad",
++
++ "3A337DBF46A792C45E454913FE2EA8F2"
++ },
++ { /* Test Case 18 */++ "feffe9928665731c6d6a8f9467308308"
++ "feffe9928665731c6d6a8f9467308308",
++ "d9313225f88406e5a55909c5aff5269a"
++ "86a7a9531534f7da2e4c303d8a318a72"
++ "1c3c0c95956809532fcf0e2449a6b525"
++ "b16aedf5aa0de657ba637b39",
++ "feedfacedeadbeeffeedfacedeadbeef"
++ "abaddad2",
++ "9313225df88406e555909c5aff5269aa"
++ "6a7a9538534f7da1e4c303d2a318a728"
++ "c3c0c95156809539fcf0e2429a6b5254"
++ "16aedbf5a0de6a57a637b39b",
++
++ "A44A8266EE1C8EB0C8B5D4CF5AE9F19A"
++ },
++};
++
++int
++parsehex(char *s, uchar *h, char *l)
++{++ char *e;
++ mpint *m;
++ int n;
++
++ n = strlen(s);
++ if(n == 0)
++ return 0;
++ assert((n & 1) == 0);
++ n >>= 1;
++ e = nil;
++ m = strtomp(s, &e, 16, nil);
++ if(m == nil || *e != '\0')
++ abort();
++ mptober(m, h, n);
++ if(l != nil)
++ print("%s = %.*H\n", l, n, h);++ return n;
++}
++
++void
++runtest(Test *t)
++{++ AESGCMstate s;
++ uchar key[1024], plain[1024], aad[1024], iv[1024], tag[16], tmp[16];
++ int nkey, nplain, naad, niv;
++
++ nkey = parsehex(t->K, key, "K");
++ nplain = parsehex(t->P, plain, "P");
++ naad = parsehex(t->A, aad, "A");
++ niv = parsehex(t->IV, iv, "IV");
++
++ setupAESGCMstate(&s, key, nkey, iv, niv);
++ aesgcm_encrypt(plain, nplain, aad, naad, tag, &s);
++ print("C = %.*H\n", nplain, plain);++ print("T = %.*H\n", 16, tag);++
++ parsehex(t->T, tmp, nil);
++ assert(memcmp(tmp, tag, 16) == 0);
++}
++
++void
++perftest(void)
++{++ AESGCMstate s;
++ static uchar zeros[16];
++ uchar buf[1024*1024], tag[16];
++ vlong now;
++ int i, delta;
++
++ now = nsec();
++ for(i=0; i<100; i++){++ memset(buf, 0, sizeof(buf));
++ if(1){++ setupAESGCMstate(&s, zeros, 16, zeros, 12);
++ aesgcm_encrypt(buf, sizeof(buf), nil, 0, tag, &s);
++ } else {++ setupAESstate(&s, zeros, 16, zeros);
++ aesCBCencrypt(buf, sizeof(buf), &s);
++ }
++ }
++ delta = (nsec() - now) / 1000000000LL;
++ fprint(2, "%ds = %d/s\n", delta, i*sizeof(buf) / delta);
++}
++
++void
++main(int argc, char **argv)
++{++ int i;
++
++ fmtinstall('H', encodefmt);++
++ ARGBEGIN {++ case 'p':
++ perftest();
++ exits(nil);
++ } ARGEND;
++
++ for(i=0; i<nelem(tests); i++){++ print("Test Case %d\n", i+1);++ runtest(&tests[i]);
++ print("\n");++ }
++}
+--- /dev/null Mon Jun 28 00:12:24 2021
++++ /sys/src/libsec/port/aesni.c Sat Jun 26 21:21:40 2021
+@@ -0,0 +1,5 @@
++void*
++aesni_init(void)
++{++ return 0;
++}
+--- /dev/null Mon Jun 28 00:12:24 2021
++++ /sys/src/libsec/port/bftest.c Sat Jun 26 21:21:40 2021
+@@ -0,0 +1,279 @@
++#include <u.h>
++#include <libc.h>
++#include <libsec.h>
++
++enum{++ Bsz = 8,
++};
++
++typedef struct Testvector Testvector;
++
++struct Testvector{++ uchar key[Bsz];
++ uchar plain[Bsz];
++ uchar cipher[Bsz];
++};
++
++/*
++ * Blowfish test vectors from https://www.schneier.com/code/vectors.txt
++ */
++Testvector vector [] = {++ {{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},++ {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},++ {0x4E, 0xF9, 0x97, 0x45, 0x61, 0x98, 0xDD, 0x78}},++
++ {{0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF},++ {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF},++ {0x51, 0x86, 0x6F, 0xD5, 0xB8, 0x5E, 0xCB, 0x8A}},++
++ {{0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},++ {0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01},++ {0x7D, 0x85, 0x6F, 0x9A, 0x61, 0x30, 0x63, 0xF2}},++
++ {{0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11},++ {0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11},++ {0x24, 0x66, 0xDD, 0x87, 0x8B, 0x96, 0x3C, 0x9D}},++
++ {{0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF},++ {0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11},++ {0x61, 0xF9, 0xC3, 0x80, 0x22, 0x81, 0xB0, 0x96}},++
++ {{0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11},++ {0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF},++ {0x7D, 0x0C, 0xC6, 0x30, 0xAF, 0xDA, 0x1E, 0xC7}},++
++ {{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},++ {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},++ {0x4E, 0xF9, 0x97, 0x45, 0x61, 0x98, 0xDD, 0x78}},++
++ {{0xFE, 0xDC, 0xBA, 0x98, 0x76, 0x54, 0x32, 0x10},++ {0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF},++ {0x0A, 0xCE, 0xAB, 0x0F, 0xC6, 0xA0, 0xA2, 0x8D}},++
++ {{0x7C, 0xA1, 0x10, 0x45, 0x4A, 0x1A, 0x6E, 0x57},++ {0x01, 0xA1, 0xD6, 0xD0, 0x39, 0x77, 0x67, 0x42},++ {0x59, 0xC6, 0x82, 0x45, 0xEB, 0x05, 0x28, 0x2B}},++
++ {{0x01, 0x31, 0xD9, 0x61, 0x9D, 0xC1, 0x37, 0x6E},++ {0x5C, 0xD5, 0x4C, 0xA8, 0x3D, 0xEF, 0x57, 0xDA},++ {0xB1, 0xB8, 0xCC, 0x0B, 0x25, 0x0F, 0x09, 0xA0}},++
++ {{0x07, 0xA1, 0x13, 0x3E, 0x4A, 0x0B, 0x26, 0x86},++ {0x02, 0x48, 0xD4, 0x38, 0x06, 0xF6, 0x71, 0x72},++ {0x17, 0x30, 0xE5, 0x77, 0x8B, 0xEA, 0x1D, 0xA4}},++
++ {{0x38, 0x49, 0x67, 0x4C, 0x26, 0x02, 0x31, 0x9E},++ {0x51, 0x45, 0x4B, 0x58, 0x2D, 0xDF, 0x44, 0x0A},++ {0xA2, 0x5E, 0x78, 0x56, 0xCF, 0x26, 0x51, 0xEB}},++
++ {{0x04, 0xB9, 0x15, 0xBA, 0x43, 0xFE, 0xB5, 0xB6},++ {0x42, 0xFD, 0x44, 0x30, 0x59, 0x57, 0x7F, 0xA2},++ {0x35, 0x38, 0x82, 0xB1, 0x09, 0xCE, 0x8F, 0x1A}},++
++ {{0x01, 0x13, 0xB9, 0x70, 0xFD, 0x34, 0xF2, 0xCE},++ {0x05, 0x9B, 0x5E, 0x08, 0x51, 0xCF, 0x14, 0x3A},++ {0x48, 0xF4, 0xD0, 0x88, 0x4C, 0x37, 0x99, 0x18}},++
++ {{0x01, 0x70, 0xF1, 0x75, 0x46, 0x8F, 0xB5, 0xE6},++ {0x07, 0x56, 0xD8, 0xE0, 0x77, 0x47, 0x61, 0xD2},++ {0x43, 0x21, 0x93, 0xB7, 0x89, 0x51, 0xFC, 0x98}},++
++ {{0x43, 0x29, 0x7F, 0xAD, 0x38, 0xE3, 0x73, 0xFE},++ {0x76, 0x25, 0x14, 0xB8, 0x29, 0xBF, 0x48, 0x6A},++ {0x13, 0xF0, 0x41, 0x54, 0xD6, 0x9D, 0x1A, 0xE5}},++
++ {{0x07, 0xA7, 0x13, 0x70, 0x45, 0xDA, 0x2A, 0x16},++ {0x3B, 0xDD, 0x11, 0x90, 0x49, 0x37, 0x28, 0x02},++ {0x2E, 0xED, 0xDA, 0x93, 0xFF, 0xD3, 0x9C, 0x79}},++
++ {{0x04, 0x68, 0x91, 0x04, 0xC2, 0xFD, 0x3B, 0x2F},++ {0x26, 0x95, 0x5F, 0x68, 0x35, 0xAF, 0x60, 0x9A},++ {0xD8, 0x87, 0xE0, 0x39, 0x3C, 0x2D, 0xA6, 0xE3}},++
++ {{0x37, 0xD0, 0x6B, 0xB5, 0x16, 0xCB, 0x75, 0x46},++ {0x16, 0x4D, 0x5E, 0x40, 0x4F, 0x27, 0x52, 0x32},++ {0x5F, 0x99, 0xD0, 0x4F, 0x5B, 0x16, 0x39, 0x69}},++
++ {{0x1F, 0x08, 0x26, 0x0D, 0x1A, 0xC2, 0x46, 0x5E},++ {0x6B, 0x05, 0x6E, 0x18, 0x75, 0x9F, 0x5C, 0xCA},++ {0x4A, 0x05, 0x7A, 0x3B, 0x24, 0xD3, 0x97, 0x7B}},++
++ {{0x58, 0x40, 0x23, 0x64, 0x1A, 0xBA, 0x61, 0x76},++ {0x00, 0x4B, 0xD6, 0xEF, 0x09, 0x17, 0x60, 0x62},++ {0x45, 0x20, 0x31, 0xC1, 0xE4, 0xFA, 0xDA, 0x8E}},++
++ {{0x02, 0x58, 0x16, 0x16, 0x46, 0x29, 0xB0, 0x07},++ {0x48, 0x0D, 0x39, 0x00, 0x6E, 0xE7, 0x62, 0xF2},++ {0x75, 0x55, 0xAE, 0x39, 0xF5, 0x9B, 0x87, 0xBD}},++
++ {{0x49, 0x79, 0x3E, 0xBC, 0x79, 0xB3, 0x25, 0x8F},++ {0x43, 0x75, 0x40, 0xC8, 0x69, 0x8F, 0x3C, 0xFA},++ {0x53, 0xC5, 0x5F, 0x9C, 0xB4, 0x9F, 0xC0, 0x19}},++
++ {{0x4F, 0xB0, 0x5E, 0x15, 0x15, 0xAB, 0x73, 0xA7},++ {0x07, 0x2D, 0x43, 0xA0, 0x77, 0x07, 0x52, 0x92},++ {0x7A, 0x8E, 0x7B, 0xFA, 0x93, 0x7E, 0x89, 0xA3}},++
++ {{0x49, 0xE9, 0x5D, 0x6D, 0x4C, 0xA2, 0x29, 0xBF},++ {0x02, 0xFE, 0x55, 0x77, 0x81, 0x17, 0xF1, 0x2A},++ {0xCF, 0x9C, 0x5D, 0x7A, 0x49, 0x86, 0xAD, 0xB5}},++
++ {{0x01, 0x83, 0x10, 0xDC, 0x40, 0x9B, 0x26, 0xD6},++ {0x1D, 0x9D, 0x5C, 0x50, 0x18, 0xF7, 0x28, 0xC2},++ {0xD1, 0xAB, 0xB2, 0x90, 0x65, 0x8B, 0xC7, 0x78}},++
++ {{0x1C, 0x58, 0x7F, 0x1C, 0x13, 0x92, 0x4F, 0xEF},++ {0x30, 0x55, 0x32, 0x28, 0x6D, 0x6F, 0x29, 0x5A},++ {0x55, 0xCB, 0x37, 0x74, 0xD1, 0x3E, 0xF2, 0x01}},++
++ {{0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01},++ {0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF},++ {0xFA, 0x34, 0xEC, 0x48, 0x47, 0xB2, 0x68, 0xB2}},++
++ {{0x1F, 0x1F, 0x1F, 0x1F, 0x0E, 0x0E, 0x0E, 0x0E},++ {0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF},++ {0xA7, 0x90, 0x79, 0x51, 0x08, 0xEA, 0x3C, 0xAE}},++
++ {{0xE0, 0xFE, 0xE0, 0xFE, 0xF1, 0xFE, 0xF1, 0xFE},++ {0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF},++ {0xC3, 0x9E, 0x07, 0x2D, 0x9F, 0xAC, 0x63, 0x1D}},++
++ {{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},++ {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF},++ {0x01, 0x49, 0x33, 0xE0, 0xCD, 0xAF, 0xF6, 0xE4}},++
++ {{0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF},++ {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},++ {0xF2, 0x1E, 0x9A, 0x77, 0xB7, 0x1C, 0x49, 0xBC}},++
++ {{0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF},++ {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},++ {0x24, 0x59, 0x46, 0x88, 0x57, 0x54, 0x36, 0x9A}},++
++ {{0xFE, 0xDC, 0xBA, 0x98, 0x76, 0x54, 0x32, 0x10},++ {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF},++ {0x6B, 0x5C, 0x5A, 0x9C, 0x5D, 0x9E, 0x0A, 0x5A}}++};
++
++uchar CBCkey[16] = { ++ 0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF,
++ 0xF0, 0xE1, 0xD2, 0xC3, 0xB4, 0xA5, 0x96, 0x87
++};
++
++uchar CBCiv[8] = {++ 0xFE, 0xDC, 0xBA, 0x98, 0x76, 0x54, 0x32, 0x10
++};
++
++uchar CBCdata[29] = {++ 0x37, 0x36, 0x35, 0x34, 0x33, 0x32, 0x31, 0x20,
++ 0x4E, 0x6F, 0x77, 0x20, 0x69, 0x73, 0x20, 0x74,
++ 0x68, 0x65, 0x20, 0x74, 0x69, 0x6D, 0x65, 0x20,
++ 0x66, 0x6F, 0x72, 0x20, 0x00
++};
++
++uchar CBCcipher[32] = {++ 0x6B, 0x77, 0xB4, 0xD6, 0x30, 0x06, 0xDE, 0xE6,
++ 0x05, 0xB1, 0x56, 0xE2, 0x74, 0x03, 0x97, 0x93,
++ 0x58, 0xDE, 0xB9, 0xE7, 0x15, 0x46, 0x16, 0xD9,
++ 0x59, 0xF1, 0x65, 0x2B, 0xD5, 0xFF, 0x92, 0xCC
++};
++
++int
++testECB(Testvector *t)
++{++ BFstate s;
++ int i;
++ uchar aux[Bsz];
++
++ memcpy(aux, t->plain, Bsz);
++
++ memset(&s, 0, sizeof(BFstate));
++ setupBFstate(&s, t->key, Bsz, nil);
++ bfECBencrypt(aux, Bsz, &s);
++
++ if(memcmp(aux, t->cipher, Bsz) != 0){++ fprint(2, "ECB encrypt failed, ciphertext is:\n");
++ for(i = 0; i < Bsz; i++)
++ fprint(2, "%02X", aux[i]);
++ fprint(2, "\nand should be:\n");
++ for(i = 0; i < Bsz; i++)
++ fprint(2, "%02X", t->cipher[i]);
++ fprint(2, "\n");
++ return -1;
++ }
++
++ memset(&s, 0, sizeof(BFstate));
++ setupBFstate(&s, t->key, Bsz, nil);
++ bfECBdecrypt(aux, Bsz, &s);
++
++ if(memcmp(aux, t->plain, Bsz) != 0){++ fprint(2, "ECB decrypt failed, plaintext is:\n");
++ for(i = 0; i < Bsz; i++)
++ fprint(2, "%02X", aux[i]);
++ fprint(2, "\nand should be:\n");
++ for(i = 0; i < Bsz; i++)
++ fprint(2, "%02X", t->plain[i]);
++ fprint(2, "\n");
++ return -1;
++ }
++ return 0;
++}
++
++int
++testCBC(void)
++{++ BFstate s;
++ uchar aux[32];
++ int i;
++
++ memset(aux, 0 , sizeof(aux));
++ memcpy(aux, CBCdata, sizeof(CBCdata));
++ memset(&s, 0, sizeof(BFstate));
++ setupBFstate(&s, CBCkey, sizeof(CBCkey), CBCiv);
++ bfCBCencrypt(aux, 32, &s);
++
++ if(memcmp(aux, CBCcipher, sizeof(CBCcipher)) != 0){++ fprint(2, "CBC encrypt failed, ciphertext is:\n");
++ for(i = 0; i < sizeof(aux); i++)
++ fprint(2, "%02X", aux[i]);
++ fprint(2, "\nand should be:\n");
++ for(i = 0; i < sizeof(CBCcipher); i++)
++ fprint(2, "%02X", CBCcipher[i]);
++ fprint(2, "\n");
++ return -1;
++ }
++
++ memset(&s, 0, sizeof(BFstate));
++ setupBFstate(&s, CBCkey, sizeof(CBCkey), CBCiv);
++ bfCBCdecrypt(aux, 32, &s);
++
++ if(memcmp(aux, CBCdata, sizeof(CBCdata)) != 0){++ fprint(2, "CBC decrypt failed, plaintext is:\n");
++ for(i = 0; i < sizeof(aux); i++)
++ fprint(2, "%02X", aux[i]);
++ fprint(2, "\nand should be:\n");
++ for(i = 0; i < sizeof(CBCdata); i++)
++ fprint(2, "%02X", CBCdata[i]);
++ fprint(2, "\n");
++ return -1;
++ }
++
++ return 0;
++}
++
++void
++main(int argc, char **argv)
++{++ int i;
++
++ if(argc != 1)
++ sysfatal("usage: %s", argv[0]);++
++ for(i=0; i < nelem(vector); i++)
++ if(testECB(&vector[i]) < 0)
++ sysfatal("TestECB %d failed", i);++
++ if(testCBC() < 0)
++ sysfatal("TestCBC failed");++ exits(nil);
++}
+--- sys/src/libsec/port/blowfish.c Mon Mar 18 16:47:47 2002
++++ /sys/src/libsec/port/blowfish.c Sat Jun 26 21:21:41 2021
+@@ -1,4 +1,5 @@
+-#include "os.h"
++#include <u.h>
++#include <libc.h>
+ #include <mp.h>
+ #include <libsec.h>
+
+@@ -13,6 +14,37 @@
+ static void bfencrypt(u32int *, BFstate *);
+ static void bfdecrypt(u32int *, BFstate *);
+
++/*
++ * Endianess agnostic functions to convert a
++ * block (8-byte buffer) to a u32int array and
++ * viceversa.
++ */
++
++static void
++buf2ints(uchar *p, u32int *b)
++{++ b[0] = p[0]<<24 | p[1]<<16 | p[2]<<8 | p[3];
++ b[1] = p[4]<<24 | p[5]<<16 | p[6]<<8 | p[7];
++}
++
++static void
++ints2buf(u32int *b, uchar *p)
++{++ u32int u;
++
++ u = b[0];
++ p[0] = u>>24;
++ p[1] = u>>16;
++ p[2] = u>>8;
++ p[3] = u;
++
++ u = b[1];
++ p[4] = u>>24;
++ p[5] = u>>16;
++ p[6] = u>>8;
++ p[7] = u;
++}
++
+ void
+ setupBFstate(BFstate *s, uchar key[], int keybytes, uchar *ivec)
+ {+@@ -31,7 +63,7 @@
+ memmove(s->ivec, ivec, sizeof(s->ivec));
+ else
+ memset(s->ivec, 0, sizeof(s->ivec));
+-
++
+ memmove(s->pbox, pbox, sizeof(pbox));
+ memmove(s->sbox, sbox, sizeof(sbox));
+
+@@ -76,17 +108,13 @@
+ bfCBCencrypt(uchar *buf, int n, BFstate *s)
+ {+ int i;
+- uchar *p;
+- u32int bo[2], bi[2], b;
++ u32int bo[2], bi[2];
+
+ assert((n & 7) == 0);
+
+- bo[0] = s->ivec[0] | ((u32int) s->ivec[1]<<8) | ((u32int)s->ivec[2]<<16) | ((u32int)s->ivec[3]<<24);
+- bo[1] = s->ivec[4] | ((u32int) s->ivec[5]<<8) | ((u32int)s->ivec[6]<<16) | ((u32int)s->ivec[7]<<24);
+-
++ buf2ints(s->ivec, bo);
+ for(i=0; i < n; i += 8, buf += 8) {+- bi[0] = buf[0] | ((u32int) buf[1]<<8) | ((u32int)buf[2]<<16) | ((u32int)buf[3]<<24);
+- bi[1] = buf[4] | ((u32int) buf[5]<<8) | ((u32int)buf[6]<<16) | ((u32int)buf[7]<<24);
++ buf2ints(buf, bi);
+
+ bi[0] ^= bo[0];
+ bi[1] ^= bo[1];
+@@ -96,36 +124,9 @@
+ bo[0] = bi[0];
+ bo[1] = bi[1];
+
+- p = buf;
+- b = bo[0];
+- *p++ = b;
+- b >>= 8;
+- *p++ = b;
+- b >>= 8;
+- *p++ = b;
+- b >>= 8;
+- *p++ = b;
+-
+- b = bo[1];
+- *p++ = b;
+- b >>= 8;
+- *p++ = b;
+- b >>= 8;
+- *p++ = b;
+- b >>= 8;
+- *p = b;
++ ints2buf(bi, buf);
+ }
+-
+- s->ivec[7] = bo[1] >> 24;
+- s->ivec[6] = bo[1] >> 16;
+- s->ivec[5] = bo[1] >> 8;
+- s->ivec[4] = bo[1];
+-
+- s->ivec[3] = bo[0] >> 24;
+- s->ivec[2] = bo[0] >> 16;
+- s->ivec[1] = bo[0] >> 8;
+- s->ivec[0] = bo[0];
+-
++ ints2buf(bo, s->ivec);
+ return;
+ }
+
+@@ -133,17 +134,13 @@
+ bfCBCdecrypt(uchar *buf, int n, BFstate *s)
+ {+ int i;
+- uchar *p;
+- u32int b, bo[2], bi[2], xr[2];
++ u32int bo[2], bi[2], xr[2];
+
+ assert((n & 7) == 0);
+
+- bo[0] = s->ivec[0] | ((u32int) s->ivec[1]<<8) | ((u32int)s->ivec[2]<<16) | ((u32int)s->ivec[3]<<24);
+- bo[1] = s->ivec[4] | ((u32int) s->ivec[5]<<8) | ((u32int)s->ivec[6]<<16) | ((u32int)s->ivec[7]<<24);
+-
++ buf2ints(s->ivec, bo);
+ for(i=0; i < n; i += 8, buf += 8) {+- bi[0] = buf[0] | ((u32int) buf[1]<<8) | ((u32int)buf[2]<<16) | ((u32int)buf[3]<<24);
+- bi[1] = buf[4] | ((u32int) buf[5]<<8) | ((u32int)buf[6]<<16) | ((u32int)buf[7]<<24);
++ buf2ints(buf, bi);
+
+ xr[0] = bi[0];
+ xr[1] = bi[1];
+@@ -153,39 +150,12 @@
+ bo[0] ^= bi[0];
+ bo[1] ^= bi[1];
+
+- p = buf;
+- b = bo[0];
+- *p++ = b;
+- b >>= 8;
+- *p++ = b;
+- b >>= 8;
+- *p++ = b;
+- b >>= 8;
+- *p++ = b;
+-
+- b = bo[1];
+- *p++ = b;
+- b >>= 8;
+- *p++ = b;
+- b >>= 8;
+- *p++ = b;
+- b >>= 8;
+- *p = b;
++ ints2buf(bo, buf);
+
+ bo[0] = xr[0];
+ bo[1] = xr[1];
+ }
+-
+- s->ivec[7] = bo[1] >> 24;
+- s->ivec[6] = bo[1] >> 16;
+- s->ivec[5] = bo[1] >> 8;
+- s->ivec[4] = bo[1];
+-
+- s->ivec[3] = bo[0] >> 24;
+- s->ivec[2] = bo[0] >> 16;
+- s->ivec[1] = bo[0] >> 8;
+- s->ivec[0] = bo[0];
+-
++ ints2buf(bo, s->ivec);
+ return;
+ }
+
+@@ -196,20 +166,9 @@
+ u32int b[2];
+
+ for(i=0; i < n; i += 8, buf += 8) {+- b[0] = buf[0] | ((u32int) buf[1]<<8) | ((u32int)buf[2]<<16) | ((u32int)buf[3]<<24);
+- b[1] = buf[4] | ((u32int) buf[5]<<8) | ((u32int)buf[6]<<16) | ((u32int)buf[7]<<24);
+-
++ buf2ints(buf, b);
+ bfencrypt(b, s);
+-
+- buf[7] = b[1] >> 24;
+- buf[6] = b[1] >> 16;
+- buf[5] = b[1] >> 8;
+- buf[4] = b[1];
+-
+- buf[3] = b[0] >> 24;
+- buf[2] = b[0] >> 16;
+- buf[1] = b[0] >> 8;
+- buf[0] = b[0];
++ ints2buf(b, buf);
+ }
+
+ return;
+@@ -222,20 +181,9 @@
+ u32int b[2];
+
+ for(i=0; i < n; i += 8, buf += 8) {+- b[0] = buf[0] | ((u32int) buf[1]<<8) | ((u32int)buf[2]<<16) | ((u32int)buf[3]<<24);
+- b[1] = buf[4] | ((u32int) buf[5]<<8) | ((u32int)buf[6]<<16) | ((u32int)buf[7]<<24);
+-
++ buf2ints(buf, b);
+ bfdecrypt(b, s);
+-
+- buf[7] = b[1] >> 24;
+- buf[6] = b[1] >> 16;
+- buf[5] = b[1] >> 8;
+- buf[4] = b[1];
+-
+- buf[3] = b[0] >> 24;
+- buf[2] = b[0] >> 16;
+- buf[1] = b[0] >> 8;
+- buf[0] = b[0];
++ ints2buf(b, buf);
+ }
+
+ return;
+@@ -575,5 +523,4 @@
+ 0x90d4f869L, 0xa65cdea0L, 0x3f09252dL, 0xc208e69fL,
+ 0xb74e6132L, 0xce77e25bL, 0x578fdfe3L, 0x3ac372e6L,
+ };
+-
+
+--- /dev/null Mon Jun 28 00:12:24 2021
++++ /sys/src/libsec/port/ccpoly.c Sat Jun 26 21:21:41 2021
+@@ -0,0 +1,92 @@
++#include <u.h>
++#include <libc.h>
++#include <mp.h>
++#include <libsec.h>
++
++static void
++ccpolyotk(Chachastate *cs, DigestState *ds)
++{++ uchar otk[ChachaBsize];
++
++ memset(ds, 0, sizeof(*ds));
++ memset(otk, 0, 32);
++ chacha_setblock(cs, 0);
++ chacha_encrypt(otk, ChachaBsize, cs);
++ poly1305(nil, 0, otk, 32, nil, ds);
++}
++
++static void
++ccpolypad(uchar *buf, ulong nbuf, DigestState *ds)
++{++ static uchar zeros[16] = {0};++ ulong npad;
++
++ if(nbuf == 0)
++ return;
++ poly1305(buf, nbuf, nil, 0, nil, ds);
++ npad = nbuf % 16;
++ if(npad == 0)
++ return;
++ poly1305(zeros, 16 - npad, nil, 0, nil, ds);
++}
++
++static void
++ccpolylen(ulong n, uchar tag[16], DigestState *ds)
++{++ uchar info[8];
++
++ info[0] = n;
++ info[1] = n>>8;
++ info[2] = n>>16;
++ info[3] = n>>24;
++ info[4] = 0;
++ info[5] = 0;
++ info[6] = 0;
++ info[7] = 0;
++ poly1305(info, 8, nil, 0, tag, ds);
++}
++
++void
++ccpoly_encrypt(uchar *dat, ulong ndat, uchar *aad, ulong naad, uchar tag[16], Chachastate *cs)
++{++ DigestState ds;
++
++ ccpolyotk(cs, &ds);
++ if(cs->ivwords == 2){++ poly1305(aad, naad, nil, 0, nil, &ds);
++ ccpolylen(naad, nil, &ds);
++ chacha_encrypt(dat, ndat, cs);
++ poly1305(dat, ndat, nil, 0, nil, &ds);
++ ccpolylen(ndat, tag, &ds);
++ } else {++ ccpolypad(aad, naad, &ds);
++ chacha_encrypt(dat, ndat, cs);
++ ccpolypad(dat, ndat, &ds);
++ ccpolylen(naad, nil, &ds);
++ ccpolylen(ndat, tag, &ds);
++ }
++}
++
++int
++ccpoly_decrypt(uchar *dat, ulong ndat, uchar *aad, ulong naad, uchar tag[16], Chachastate *cs)
++{++ DigestState ds;
++ uchar tmp[16];
++
++ ccpolyotk(cs, &ds);
++ if(cs->ivwords == 2){++ poly1305(aad, naad, nil, 0, nil, &ds);
++ ccpolylen(naad, nil, &ds);
++ poly1305(dat, ndat, nil, 0, nil, &ds);
++ ccpolylen(ndat, tmp, &ds);
++ } else {++ ccpolypad(aad, naad, &ds);
++ ccpolypad(dat, ndat, &ds);
++ ccpolylen(naad, nil, &ds);
++ ccpolylen(ndat, tmp, &ds);
++ }
++ if(tsmemcmp(tag, tmp, 16) != 0)
++ return -1;
++ chacha_encrypt(dat, ndat, cs);
++ return 0;
++}
+--- sys/src/libsec/port/chacha.c Thu Jul 1 17:28:57 2021
++++ /sys/src/libsec/port/chacha.c Sat Jun 26 21:21:41 2021
+@@ -9,36 +9,21 @@
+
+ #include <u.h>
+ #include <libc.h>
++#include <mp.h>
+ #include <libsec.h>
+
+-enum{+- Blockwords= ChachaBsize/sizeof(u32int)
+-};
++/* from chachablock.$O */
++extern void _chachablock(u32int x[16], int rounds);
+
+ /* little-endian data order */
+-#define GET4(p) ((((((p)[3]<<8) | (p)[2])<<8) | (p)[1])<<8 | (p)[0])
+-#define PUT4(p, v) (((p)[0]=v), (v>>=8), ((p)[1]=v), (v>>=8), ((p)[2]=v), (v>>=8), ((p)[3]=v))
+-
+-#define ROTATE(v,c) ((u32int)((v) << (c)) | ((v) >> (32 - (c))))
+-
+-#define QUARTERROUND(ia,ib,ic,id) { \+- u32int a, b, c, d, t;\
+- a = x[ia]; b = x[ib]; c = x[ic]; d = x[id]; \
+- a += b; t = d^a; d = ROTATE(t,16); \
+- c += d; t = b^c; b = ROTATE(t,12); \
+- a += b; t = d^a; d = ROTATE(t, 8); \
+- c += d; t = b^c; b = ROTATE(t, 7); \
+- x[ia] = a; x[ib] = b; x[ic] = c; x[id] = d; \
+-}
++#define GET4(p) ((p)[0]|((p)[1]<<8)|((p)[2]<<16)|((p)[3]<<24))
++#define PUT4(p,v) (p)[0]=(v);(p)[1]=(v)>>8;(p)[2]=(v)>>16;(p)[3]=(v)>>24
+
+ #define ENCRYPT(s, x, y, d) {\+ u32int v; \
+- uchar *sp, *dp; \
+- sp = (s); \
+- v = GET4(sp); \
++ v = GET4(s); \
+ v ^= (x)+(y); \
+- dp = (d); \
+- PUT4(dp, v); \
++ PUT4(d, v); \
+ }
+
+ static uchar sigma[16] = "expand 32-byte k";
+@@ -54,10 +39,13 @@
+ }
+
+ void
+-setupChachastate(Chachastate *s, uchar *key, usize keylen, uchar *iv, int rounds)
++setupChachastate(Chachastate *s, uchar *key, ulong keylen, uchar *iv, ulong ivlen, int rounds)
+ {+ if(keylen != 256/8 && keylen != 128/8)
+ sysfatal("invalid chacha key length");++ if(ivlen != 64/8 && ivlen != 96/8
++ && ivlen != 128/8 && ivlen != 192/8) /* hchacha, xchacha */
++ sysfatal("invalid chacha iv length");+ if(rounds == 0)
+ rounds = 20;
+ s->rounds = rounds;
+@@ -69,28 +57,108 @@
+ load(&s->input[4], key, 4);
+ load(&s->input[8], key, 4);
+ }
++ s->xkey[0] = s->input[4];
++ s->xkey[1] = s->input[5];
++ s->xkey[2] = s->input[6];
++ s->xkey[3] = s->input[7];
++ s->xkey[4] = s->input[8];
++ s->xkey[5] = s->input[9];
++ s->xkey[6] = s->input[10];
++ s->xkey[7] = s->input[11];
++
++ s->ivwords = ivlen/4;
+ s->input[12] = 0;
++ s->input[13] = 0;
+ if(iv == nil){+- s->input[13] = 0;
+ s->input[14] = 0;
+ s->input[15] = 0;
+ }else
+- load(&s->input[13], iv, 3);
++ chacha_setiv(s, iv);
++}
++
++static void
++hchachablock(uchar h[32], Chachastate *s)
++{++ u32int x[16];
++
++ x[0] = s->input[0];
++ x[1] = s->input[1];
++ x[2] = s->input[2];
++ x[3] = s->input[3];
++ x[4] = s->input[4];
++ x[5] = s->input[5];
++ x[6] = s->input[6];
++ x[7] = s->input[7];
++ x[8] = s->input[8];
++ x[9] = s->input[9];
++ x[10] = s->input[10];
++ x[11] = s->input[11];
++ x[12] = s->input[12];
++ x[13] = s->input[13];
++ x[14] = s->input[14];
++ x[15] = s->input[15];
++
++ _chachablock(x, s->rounds);
++
++ PUT4(h+0*4, x[0]);
++ PUT4(h+1*4, x[1]);
++ PUT4(h+2*4, x[2]);
++ PUT4(h+3*4, x[3]);
++ PUT4(h+4*4, x[12]);
++ PUT4(h+5*4, x[13]);
++ PUT4(h+6*4, x[14]);
++ PUT4(h+7*4, x[15]);
+ }
+
+ void
+-chacha_setblock(Chachastate *s, u32int blockno)
++chacha_setiv(Chachastate *s, uchar *iv)
++{++ if(s->ivwords == 192/32){++ /* xchacha with 192-bit iv */
++ u32int counter[2];
++ uchar h[32];
++
++ s->input[4] = s->xkey[0];
++ s->input[5] = s->xkey[1];
++ s->input[6] = s->xkey[2];
++ s->input[7] = s->xkey[3];
++ s->input[8] = s->xkey[4];
++ s->input[9] = s->xkey[5];
++ s->input[10] = s->xkey[6];
++ s->input[11] = s->xkey[7];
++
++ counter[0] = s->input[12];
++ counter[1] = s->input[13];
++
++ load(&s->input[12], iv, 4);
++
++ hchachablock(h, s);
++ load(&s->input[4], h, 8);
++ memset(h, 0, 32);
++
++ s->input[12] = counter[0];
++ s->input[13] = counter[1];
++
++ load(&s->input[14], iv+16, 2);
++ return;
++ }
++ load(&s->input[16 - s->ivwords], iv, s->ivwords);
++}
++
++void
++chacha_setblock(Chachastate *s, u64int blockno)
+ {+ s->input[12] = blockno;
++ if(s->ivwords != 3)
++ s->input[13] = blockno>>32;
+ }
+
+ static void
+ encryptblock(Chachastate *s, uchar *src, uchar *dst)
+ {+- u32int x[Blockwords];
+- int i, rounds;
++ u32int x[16];
++ int i;
+
+- rounds = s->rounds;
+ x[0] = s->input[0];
+ x[1] = s->input[1];
+ x[2] = s->input[2];
+@@ -107,37 +175,8 @@
+ x[13] = s->input[13];
+ x[14] = s->input[14];
+ x[15] = s->input[15];
++ _chachablock(x, s->rounds);
+
+- for(i = rounds; i > 0; i -= 2) {+- QUARTERROUND(0, 4, 8,12)
+- QUARTERROUND(1, 5, 9,13)
+- QUARTERROUND(2, 6,10,14)
+- QUARTERROUND(3, 7,11,15)
+-
+- QUARTERROUND(0, 5,10,15)
+- QUARTERROUND(1, 6,11,12)
+- QUARTERROUND(2, 7, 8,13)
+- QUARTERROUND(3, 4, 9,14)
+- }
+-
+-#ifdef FULL_UNROLL
+- ENCRYPT(src+0*4, x[0], s->input[0], dst+0*4);
+- ENCRYPT(src+1*4, x[1], s->input[1], dst+1*4);
+- ENCRYPT(src+2*4, x[2], s->input[2], dst+2*4);
+- ENCRYPT(src+3*4, x[3], s->input[3], dst+3*4);
+- ENCRYPT(src+4*4, x[4], s->input[4], dst+4*4);
+- ENCRYPT(src+5*4, x[5], s->input[5], dst+5*4);
+- ENCRYPT(src+6*4, x[6], s->input[6], dst+6*4);
+- ENCRYPT(src+7*4, x[7], s->input[7], dst+7*4);
+- ENCRYPT(src+8*4, x[8], s->input[8], dst+8*4);
+- ENCRYPT(src+9*4, x[9], s->input[9], dst+9*4);
+- ENCRYPT(src+10*4, x[10], s->input[10], dst+10*4);
+- ENCRYPT(src+11*4, x[11], s->input[11], dst+11*4);
+- ENCRYPT(src+12*4, x[12], s->input[12], dst+12*4);
+- ENCRYPT(src+13*4, x[13], s->input[13], dst+13*4);
+- ENCRYPT(src+14*4, x[14], s->input[14], dst+14*4);
+- ENCRYPT(src+15*4, x[15], s->input[15], dst+15*4);
+-#else
+ for(i=0; i<nelem(x); i+=4){+ ENCRYPT(src, x[i], s->input[i], dst);
+ ENCRYPT(src+4, x[i+1], s->input[i+1], dst+4);
+@@ -146,13 +185,13 @@
+ src += 16;
+ dst += 16;
+ }
+-#endif
+
+- s->input[12]++;
++ if(++s->input[12] == 0 && s->ivwords != 3)
++ s->input[13]++;
+ }
+
+ void
+-chacha_encrypt2(uchar *src, uchar *dst, usize bytes, Chachastate *s)
++chacha_encrypt2(uchar *src, uchar *dst, ulong bytes, Chachastate *s)
+ {+ uchar tmp[ChachaBsize];
+
+@@ -169,7 +208,17 @@
+ }
+
+ void
+-chacha_encrypt(uchar *buf, usize bytes, Chachastate *s)
++chacha_encrypt(uchar *buf, ulong bytes, Chachastate *s)
+ {+ chacha_encrypt2(buf, buf, bytes, s);
++}
++
++void
++hchacha(uchar h[32], uchar *key, ulong keylen, uchar nonce[16], int rounds)
++{++ Chachastate s[1];
++
++ setupChachastate(s, key, keylen, nonce, 16, rounds);
++ hchachablock(h, s);
++ memset(s, 0, sizeof(s));
+ }
+--- /dev/null Mon Jun 28 00:12:24 2021
++++ /sys/src/libsec/port/chachablock.c Sat Jun 26 21:21:41 2021
+@@ -0,0 +1,31 @@
++#include <u.h>
++#include <libc.h>
++#include <mp.h>
++
++#define ROTATE(v,c) ((u32int)((v) << (c)) | ((v) >> (32 - (c))))
++
++#define QUARTERROUND(ia,ib,ic,id) { \++ u32int a, b, c, d, t; \
++ a = x[ia]; b = x[ib]; c = x[ic]; d = x[id]; \
++ a += b; t = d^a; d = ROTATE(t,16); \
++ c += d; t = b^c; b = ROTATE(t,12); \
++ a += b; t = d^a; d = ROTATE(t, 8); \
++ c += d; t = b^c; b = ROTATE(t, 7); \
++ x[ia] = a; x[ib] = b; x[ic] = c; x[id] = d; \
++}
++
++void
++_chachablock(u32int x[16], int rounds)
++{++ for(; rounds > 0; rounds -= 2) {++ QUARTERROUND(0, 4, 8,12)
++ QUARTERROUND(1, 5, 9,13)
++ QUARTERROUND(2, 6,10,14)
++ QUARTERROUND(3, 7,11,15)
++
++ QUARTERROUND(0, 5,10,15)
++ QUARTERROUND(1, 6,11,12)
++ QUARTERROUND(2, 7, 8,13)
++ QUARTERROUND(3, 4, 9,14)
++ }
++}
+--- sys/src/libsec/port/chachatest.c Thu Jul 1 17:28:57 2021
++++ /sys/src/libsec/port/chachatest.c Sat Jun 26 21:21:41 2021
+@@ -31,7 +31,7 @@
+ char rfctext[] = "Ladies and Gentlemen of the class of '99: If I could offer you only one tip for the future, "
+ "sunscreen would be it.";
+ uchar rfcout[3*ChachaBsize];
+-uchar rfcref[3*ChachaBsize] = {++uchar rfcref[] = {+ 0x6e, 0x2e, 0x35, 0x9a, 0x25, 0x68, 0xf9, 0x80, 0x41, 0xba, 0x07, 0x28, 0xdd, 0x0d, 0x69, 0x81,
+ 0xe9, 0x7e, 0x7a, 0xec, 0x1d, 0x43, 0x60, 0xc2, 0x0a, 0x27, 0xaf, 0xcc, 0xfd, 0x9f, 0xae, 0x0b,
+ 0xf9, 0x1b, 0x65, 0xc5, 0x52, 0x47, 0x33, 0xab, 0x8f, 0x59, 0x3d, 0xab, 0xcd, 0x62, 0xb3, 0x57,
+@@ -42,10 +42,66 @@
+ 0x87, 0x4d
+ };
+
++uchar xcckey[] = {++ 0x1b, 0x27, 0x55, 0x64, 0x73, 0xe9, 0x85, 0xd4, 0x62, 0xcd, 0x51, 0x19, 0x7a, 0x9a, 0x46, 0xc7,
++ 0x60, 0x09, 0x54, 0x9e, 0xac, 0x64, 0x74, 0xf2, 0x06, 0xc4, 0xee, 0x08, 0x44, 0xf6, 0x83, 0x89,
++};
++uchar xcciv[] = {++ 0x69, 0x69, 0x6e, 0xe9, 0x55, 0xb6, 0x2b, 0x73, 0xcd, 0x62, 0xbd, 0xa8, 0x75, 0xfc, 0x73, 0xd6,
++ 0x82, 0x19, 0xe0, 0x03, 0x6b, 0x7a, 0x0b, 0x37,
++};
++uchar xccref[] = {++ 0x4f, 0xeb, 0xf2, 0xfe, 0x4b, 0x35, 0x9c, 0x50, 0x8d, 0xc5, 0xe8, 0xb5, 0x98, 0x0c, 0x88, 0xe3,
++ 0x89, 0x46, 0xd8, 0xf1, 0x8f, 0x31, 0x34, 0x65, 0xc8, 0x62, 0xa0, 0x87, 0x82, 0x64, 0x82, 0x48,
++ 0x01, 0x8d, 0xac, 0xdc, 0xb9, 0x04, 0x17, 0x88, 0x53, 0xa4, 0x6d, 0xca, 0x3a, 0x0e, 0xaa, 0xee,
++ 0x74, 0x7c, 0xba, 0x97, 0x43, 0x4e, 0xaf, 0xfa, 0xd5, 0x8f, 0xea, 0x82, 0x22, 0x04, 0x7e, 0x0d,
++ 0xe6, 0xc3, 0xa6, 0x77, 0x51, 0x06, 0xe0, 0x33, 0x1a, 0xd7, 0x14, 0xd2, 0xf2, 0x7a, 0x55, 0x64,
++ 0x13, 0x40, 0xa1, 0xf1, 0xdd, 0x9f, 0x94, 0x53, 0x2e, 0x68, 0xcb, 0x24, 0x1c, 0xbd, 0xd1, 0x50,
++ 0x97, 0x0d, 0x14, 0xe0, 0x5c, 0x5b, 0x17, 0x31, 0x93, 0xfb, 0x14, 0xf5, 0x1c, 0x41, 0xf3, 0x93,
++ 0x83, 0x5b, 0xf7, 0xf4, 0x16, 0xa7, 0xe0, 0xbb, 0xa8, 0x1f, 0xfb, 0x8b, 0x13, 0xaf, 0x0e, 0x21,
++ 0x69, 0x1d, 0x7e, 0xce, 0xc9, 0x3b, 0x75, 0xe6, 0xe4, 0x18, 0x3a,
++};
++
++uchar ccpaad[] = {++ 0x50, 0x51, 0x52, 0x53, 0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7,
++};
++uchar ccpkey[] = {++ 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
++ 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f,
++};
++uchar ccpiv[] = {++ 0x07, 0x00, 0x00, 0x00,
++ 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
++};
++uchar ccptag[] = {++ 0x1a, 0xe1, 0x0b, 0x59, 0x4f, 0x09, 0xe2, 0x6a, 0x7e, 0x90, 0x2e, 0xcb, 0xd0, 0x60, 0x06, 0x91,
++};
++
++uchar ccp64aad[] = {++ 0x87, 0xe2, 0x29, 0xd4, 0x50, 0x08, 0x45, 0xa0, 0x79, 0xc0,
++};
++uchar ccp64key[] = {++ 0x42, 0x90, 0xbc, 0xb1, 0x54, 0x17, 0x35, 0x31, 0xf3, 0x14, 0xaf, 0x57, 0xf3, 0xbe, 0x3b, 0x50,
++ 0x06, 0xda, 0x37, 0x1e, 0xce, 0x27, 0x2a, 0xfa, 0x1b, 0x5d, 0xbd, 0xd1, 0x10, 0x0a, 0x10, 0x07,
++};
++uchar ccp64iv[] = {++ 0xcd, 0x7c, 0xf6, 0x7b, 0xe3, 0x9c, 0x79, 0x4a,
++};
++uchar ccp64inp[] = {++ 0x86, 0xd0, 0x99, 0x74, 0x84, 0x0b, 0xde, 0xd2, 0xa5, 0xca,
++};
++uchar ccp64out[] = {++ 0xe3, 0xe4, 0x46, 0xf7, 0xed, 0xe9, 0xa1, 0x9b, 0x62, 0xa4,
++};
++uchar ccp64tag[] = {++ 0x67, 0x7d, 0xab, 0xf4, 0xe3, 0xd2, 0x4b, 0x87, 0x6b, 0xb2, 0x84, 0x75, 0x38, 0x96, 0xe1, 0xd6,
++};
++
+ void
+ main(int argc, char **argv)
+ {+ Chachastate s;
++ uchar tag[16];
+ int n;
+
+ ARGBEGIN{+@@ -54,17 +110,108 @@
+ print("key:\n");+ printblock(rfckey, sizeof(rfckey));
+ n = strlen(rfctext);
+- setupChachastate(&s, rfckey, sizeof(rfckey), rfcnonce, 0);
++ setupChachastate(&s, rfckey, sizeof(rfckey), rfcnonce, sizeof(rfcnonce), 0);
+ chacha_setblock(&s, rfccount);
+ print("rfc in:\n");+ printblock((uchar*)rfctext, n);
+ chacha_encrypt2((uchar*)rfctext, rfcout, n, &s);
+ print("rfc out:\n");+ printblock(rfcout, n);
+- if(memcmp(rfcout, rfcref, sizeof(rfcout)) != 0){++ if(memcmp(rfcout, rfcref, sizeof(rfcref)) != 0){++ print("failure of vision\n");++ exits("wrong");++ }
++ print("\n");++
++
++ print("xchacha key:\n");++ printblock(xcckey, sizeof(xcckey));
++
++ print("xchacha iv:\n");++ printblock(xcciv, sizeof(xcciv));
++
++ setupChachastate(&s, xcckey, sizeof(xcckey), xcciv, sizeof(xcciv), 20);
++ memset(rfcout, 0, sizeof(xccref));
++ chacha_encrypt(rfcout, sizeof(xccref), &s);
++
++ print("xchacha out:\n");++ printblock(rfcout, sizeof(xccref));
++ if(memcmp(rfcout, xccref, sizeof(xccref)) != 0){+ print("failure of vision\n");+ exits("wrong");+ }
++ print("\n");++
++
++ print("ccpoly key:\n");++ printblock(ccpkey, sizeof(ccpkey));
++
++ print("ccpoly iv:\n");++ printblock(ccpiv, sizeof(ccpiv));
++
++ setupChachastate(&s, ccpkey, sizeof(ccpkey), ccpiv, sizeof(ccpiv), 20);
++
++ memmove(rfcout, rfctext, sizeof(rfctext)-1);
++ ccpoly_encrypt(rfcout, sizeof(rfctext)-1, ccpaad, sizeof(ccpaad), tag, &s);
++
++ print("ccpoly cipher:\n");++ printblock(rfcout, sizeof(rfctext)-1);
++
++ print("ccpoly tag:\n");++ printblock(tag, sizeof(tag));
++
++ if(memcmp(tag, ccptag, sizeof(tag)) != 0){++ print("bad ccpoly tag\n");++ exits("wrong");++ }
++
++ if(ccpoly_decrypt(rfcout, sizeof(rfctext)-1, ccpaad, sizeof(ccpaad), tag, &s) != 0){++ print("ccpoly decryption failed\n");++ exits("wrong");++ }
++
++ if(memcmp(rfcout, rfctext, sizeof(rfctext)-1) != 0){++ print("ccpoly bad decryption\n");++ exits("wrong");++ }
++ print("\n");++
++
++ print("ccpoly64 key:\n");++ printblock(ccp64key, sizeof(ccp64key));
++
++ print("ccpoly64 iv:\n");++ printblock(ccp64iv, sizeof(ccp64iv));
++
++ setupChachastate(&s, ccp64key, sizeof(ccp64key), ccp64iv, sizeof(ccp64iv), 20);
++
++ memmove(rfcout, ccp64inp, sizeof(ccp64inp));
++ ccpoly_encrypt(rfcout, sizeof(ccp64inp), ccp64aad, sizeof(ccp64aad), tag, &s);
++
++ print("ccpoly64 cipher:\n");++ printblock(rfcout, sizeof(ccp64inp));
++
++ print("ccpoly64 tag:\n");++ printblock(tag, sizeof(tag));
++
++ if(memcmp(rfcout, ccp64out, sizeof(ccp64out)) != 0){++ print("ccpoly64 bad ciphertext\n");++ exits("wrong");++ }
++ if(memcmp(tag, ccp64tag, sizeof(ccp64tag)) != 0){++ print("ccpoly64 bad encryption tag\n");++ exits("wrong");++ }
++
++ if(ccpoly_decrypt(rfcout, sizeof(ccp64inp), ccp64aad, sizeof(ccp64aad), tag, &s) != 0){++ print("ccpoly64 decryption failed\n");++ exits("wrong");++ }
++ if(memcmp(rfcout, ccp64inp, sizeof(ccp64inp)) != 0){++ print("ccpoly64 bad decryption\n");++ exits("wrong");++ }
++
+ print("passed\n");+ exits(nil);
+ }
+--- /dev/null Mon Jun 28 00:12:24 2021
++++ /sys/src/libsec/port/curve25519.c Sat Jun 26 21:21:41 2021
+@@ -0,0 +1,572 @@
++/* Copyright 2008, Google Inc.
++ * All rights reserved.
++ *
++ * Redistribution and use in source and binary forms, with or without
++ * modification, are permitted provided that the following conditions are
++ * met:
++ *
++ * * Redistributions of source code must retain the above copyright
++ * notice, this list of conditions and the following disclaimer.
++ * * Redistributions in binary form must reproduce the above
++ * copyright notice, this list of conditions and the following disclaimer
++ * in the documentation and/or other materials provided with the
++ * distribution.
++ * * Neither the name of Google Inc. nor the names of its
++ * contributors may be used to endorse or promote products derived from
++ * this software without specific prior written permission.
++ *
++ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
++ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
++ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
++ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
++ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
++ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
++ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
++ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
++ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
++ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
++ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
++ *
++ * curve25519: Curve25519 elliptic curve, public key function
++ *
++ * http://code.google.com/p/curve25519-donna/
++ *
++ * Adam Langley <agl@imperialviolet.org>
++ *
++ * Derived from public domain C code by Daniel J. Bernstein <djb@cr.yp.to>
++ *
++ * More information about curve25519 can be found here
++ * http://cr.yp.to/ecdh.html
++ *
++ * djb's sample implementation of curve25519 is written in a special assembly
++ * language called qhasm and uses the floating point registers.
++ *
++ * This is, almost, a clean room reimplementation from the curve25519 paper. It
++ * uses many of the tricks described therein. Only the crecip function is taken
++ * from the sample implementation.
++ */
++#include <u.h>
++#include <libc.h>
++#include <mp.h>
++#include <libsec.h>
++
++typedef vlong felem;
++
++/* Sum two numbers: output += in */
++static void fsum(felem *output, felem *in) {++ unsigned i;
++ for (i = 0; i < 10; i += 2) {++ output[0+i] = (output[0+i] + in[0+i]);
++ output[1+i] = (output[1+i] + in[1+i]);
++ }
++}
++
++/* Find the difference of two numbers: output = in - output
++ * (note the order of the arguments!)
++ */
++static void fdifference(felem *output, felem *in) {++ unsigned i;
++ for (i = 0; i < 10; ++i) {++ output[i] = (in[i] - output[i]);
++ }
++}
++
++/* Multiply a number my a scalar: output = in * scalar */
++static void fscalar_product(felem *output, felem *in, felem scalar) {++ unsigned i;
++ for (i = 0; i < 10; ++i) {++ output[i] = in[i] * scalar;
++ }
++}
++
++/* Multiply two numbers: output = in2 * in
++ *
++ * output must be distinct to both inputs. The inputs are reduced coefficient
++ * form, the output is not.
++ */
++static void fproduct(felem *output, felem *in2, felem *in) {++ output[0] = in2[0] * in[0];
++ output[1] = in2[0] * in[1] +
++ in2[1] * in[0];
++ output[2] = 2 * in2[1] * in[1] +
++ in2[0] * in[2] +
++ in2[2] * in[0];
++ output[3] = in2[1] * in[2] +
++ in2[2] * in[1] +
++ in2[0] * in[3] +
++ in2[3] * in[0];
++ output[4] = in2[2] * in[2] +
++ 2 * (in2[1] * in[3] +
++ in2[3] * in[1]) +
++ in2[0] * in[4] +
++ in2[4] * in[0];
++ output[5] = in2[2] * in[3] +
++ in2[3] * in[2] +
++ in2[1] * in[4] +
++ in2[4] * in[1] +
++ in2[0] * in[5] +
++ in2[5] * in[0];
++ output[6] = 2 * (in2[3] * in[3] +
++ in2[1] * in[5] +
++ in2[5] * in[1]) +
++ in2[2] * in[4] +
++ in2[4] * in[2] +
++ in2[0] * in[6] +
++ in2[6] * in[0];
++ output[7] = in2[3] * in[4] +
++ in2[4] * in[3] +
++ in2[2] * in[5] +
++ in2[5] * in[2] +
++ in2[1] * in[6] +
++ in2[6] * in[1] +
++ in2[0] * in[7] +
++ in2[7] * in[0];
++ output[8] = in2[4] * in[4] +
++ 2 * (in2[3] * in[5] +
++ in2[5] * in[3] +
++ in2[1] * in[7] +
++ in2[7] * in[1]) +
++ in2[2] * in[6] +
++ in2[6] * in[2] +
++ in2[0] * in[8] +
++ in2[8] * in[0];
++ output[9] = in2[4] * in[5] +
++ in2[5] * in[4] +
++ in2[3] * in[6] +
++ in2[6] * in[3] +
++ in2[2] * in[7] +
++ in2[7] * in[2] +
++ in2[1] * in[8] +
++ in2[8] * in[1] +
++ in2[0] * in[9] +
++ in2[9] * in[0];
++ output[10] = 2 * (in2[5] * in[5] +
++ in2[3] * in[7] +
++ in2[7] * in[3] +
++ in2[1] * in[9] +
++ in2[9] * in[1]) +
++ in2[4] * in[6] +
++ in2[6] * in[4] +
++ in2[2] * in[8] +
++ in2[8] * in[2];
++ output[11] = in2[5] * in[6] +
++ in2[6] * in[5] +
++ in2[4] * in[7] +
++ in2[7] * in[4] +
++ in2[3] * in[8] +
++ in2[8] * in[3] +
++ in2[2] * in[9] +
++ in2[9] * in[2];
++ output[12] = in2[6] * in[6] +
++ 2 * (in2[5] * in[7] +
++ in2[7] * in[5] +
++ in2[3] * in[9] +
++ in2[9] * in[3]) +
++ in2[4] * in[8] +
++ in2[8] * in[4];
++ output[13] = in2[6] * in[7] +
++ in2[7] * in[6] +
++ in2[5] * in[8] +
++ in2[8] * in[5] +
++ in2[4] * in[9] +
++ in2[9] * in[4];
++ output[14] = 2 * (in2[7] * in[7] +
++ in2[5] * in[9] +
++ in2[9] * in[5]) +
++ in2[6] * in[8] +
++ in2[8] * in[6];
++ output[15] = in2[7] * in[8] +
++ in2[8] * in[7] +
++ in2[6] * in[9] +
++ in2[9] * in[6];
++ output[16] = in2[8] * in[8] +
++ 2 * (in2[7] * in[9] +
++ in2[9] * in[7]);
++ output[17] = in2[8] * in[9] +
++ in2[9] * in[8];
++ output[18] = 2 * in2[9] * in[9];
++}
++
++/* Reduce a long form to a short form by taking the input mod 2^255 - 19. */
++static void freduce_degree(felem *output) {++ output[8] += 19 * output[18];
++ output[7] += 19 * output[17];
++ output[6] += 19 * output[16];
++ output[5] += 19 * output[15];
++ output[4] += 19 * output[14];
++ output[3] += 19 * output[13];
++ output[2] += 19 * output[12];
++ output[1] += 19 * output[11];
++ output[0] += 19 * output[10];
++}
++
++/* Reduce all coefficients of the short form input to be -2**25 <= x <= 2**25
++ */
++static void freduce_coefficients(felem *output) {++ unsigned i;
++ do {++ output[10] = 0;
++
++ for (i = 0; i < 10; i += 2) {++ felem over = output[i] / 0x2000000l;
++ felem over2 = (over + ((over >> 63) * 2) + 1) / 2;
++ output[i+1] += over2;
++ output[i] -= over2 * 0x4000000l;
++
++ over = output[i+1] / 0x2000000;
++ output[i+2] += over;
++ output[i+1] -= over * 0x2000000;
++ }
++ output[0] += 19 * output[10];
++ } while (output[10]);
++}
++
++/* A helpful wrapper around fproduct: output = in * in2.
++ *
++ * output must be distinct to both inputs. The output is reduced degree and
++ * reduced coefficient.
++ */
++static void
++fmul(felem *output, felem *in, felem *in2) {++ felem t[19];
++ fproduct(t, in, in2);
++ freduce_degree(t);
++ freduce_coefficients(t);
++ memcpy(output, t, sizeof(felem) * 10);
++}
++
++static void fsquare_inner(felem *output, felem *in) {++ felem tmp;
++ output[0] = in[0] * in[0];
++ output[1] = 2 * in[0] * in[1];
++ output[2] = 2 * (in[1] * in[1] +
++ in[0] * in[2]);
++ output[3] = 2 * (in[1] * in[2] +
++ in[0] * in[3]);
++ output[4] = in[2] * in[2] +
++ 4 * in[1] * in[3] +
++ 2 * in[0] * in[4];
++ output[5] = 2 * (in[2] * in[3] +
++ in[1] * in[4] +
++ in[0] * in[5]);
++ output[6] = 2 * (in[3] * in[3] +
++ in[2] * in[4] +
++ in[0] * in[6] +
++ 2 * in[1] * in[5]);
++ output[7] = 2 * (in[3] * in[4] +
++ in[2] * in[5] +
++ in[1] * in[6] +
++ in[0] * in[7]);
++ tmp = in[1] * in[7] + in[3] * in[5];
++ output[8] = in[4] * in[4] +
++ 2 * (in[2] * in[6] +
++ in[0] * in[8] +
++ 2 * tmp);
++ output[9] = 2 * (in[4] * in[5] +
++ in[3] * in[6] +
++ in[2] * in[7] +
++ in[1] * in[8] +
++ in[0] * in[9]);
++ tmp = in[3] * in[7] + in[1] * in[9];
++ output[10] = 2 * (in[5] * in[5] +
++ in[4] * in[6] +
++ in[2] * in[8] +
++ 2 * tmp);
++ output[11] = 2 * (in[5] * in[6] +
++ in[4] * in[7] +
++ in[3] * in[8] +
++ in[2] * in[9]);
++ output[12] = in[6] * in[6] +
++ 2 * (in[4] * in[8] +
++ 2 * (in[5] * in[7] +
++ in[3] * in[9]));
++ output[13] = 2 * (in[6] * in[7] +
++ in[5] * in[8] +
++ in[4] * in[9]);
++ output[14] = 2 * (in[7] * in[7] +
++ in[6] * in[8] +
++ 2 * in[5] * in[9]);
++ output[15] = 2 * (in[7] * in[8] +
++ in[6] * in[9]);
++ output[16] = in[8] * in[8] +
++ 4 * in[7] * in[9];
++ output[17] = 2 * in[8] * in[9];
++ output[18] = 2 * in[9] * in[9];
++}
++
++static void
++fsquare(felem *output, felem *in) {++ felem t[19];
++ fsquare_inner(t, in);
++ freduce_degree(t);
++ freduce_coefficients(t);
++ memcpy(output, t, sizeof(felem) * 10);
++}
++
++/* Take a little-endian, 32-byte number and expand it into polynomial form */
++static void
++fexpand(felem *output, uchar *input) {++#define F(n,start,shift,mask) \
++ output[n] = ((((felem) input[start + 0]) | \
++ ((felem) input[start + 1]) << 8 | \
++ ((felem) input[start + 2]) << 16 | \
++ ((felem) input[start + 3]) << 24) >> shift) & mask;
++ F(0, 0, 0, 0x3ffffff);
++ F(1, 3, 2, 0x1ffffff);
++ F(2, 6, 3, 0x3ffffff);
++ F(3, 9, 5, 0x1ffffff);
++ F(4, 12, 6, 0x3ffffff);
++ F(5, 16, 0, 0x1ffffff);
++ F(6, 19, 1, 0x3ffffff);
++ F(7, 22, 3, 0x1ffffff);
++ F(8, 25, 4, 0x3ffffff);
++ F(9, 28, 6, 0x1ffffff);
++#undef F
++}
++
++/* Take a fully reduced polynomial form number and contract it into a
++ * little-endian, 32-byte array
++ */
++static void
++fcontract(uchar *output, felem *input) {++ int i;
++
++ do {++ for (i = 0; i < 9; ++i) {++ if ((i & 1) == 1) {++ while (input[i] < 0) {++ input[i] += 0x2000000;
++ input[i + 1]--;
++ }
++ } else {++ while (input[i] < 0) {++ input[i] += 0x4000000;
++ input[i + 1]--;
++ }
++ }
++ }
++ while (input[9] < 0) {++ input[9] += 0x2000000;
++ input[0] -= 19;
++ }
++ } while (input[0] < 0);
++
++ input[1] <<= 2;
++ input[2] <<= 3;
++ input[3] <<= 5;
++ input[4] <<= 6;
++ input[6] <<= 1;
++ input[7] <<= 3;
++ input[8] <<= 4;
++ input[9] <<= 6;
++#define F(i, s) \
++ output[s+0] |= input[i] & 0xff; \
++ output[s+1] = (input[i] >> 8) & 0xff; \
++ output[s+2] = (input[i] >> 16) & 0xff; \
++ output[s+3] = (input[i] >> 24) & 0xff;
++ output[0] = 0;
++ output[16] = 0;
++ F(0,0);
++ F(1,3);
++ F(2,6);
++ F(3,9);
++ F(4,12);
++ F(5,16);
++ F(6,19);
++ F(7,22);
++ F(8,25);
++ F(9,28);
++#undef F
++}
++
++/* Input: Q, Q', Q-Q'
++ * Output: 2Q, Q+Q'
++ *
++ * x2 z3: long form
++ * x3 z3: long form
++ * x z: short form, destroyed
++ * xprime zprime: short form, destroyed
++ * qmqp: short form, preserved
++ */
++static void fmonty(felem *x2, felem *z2, /* output 2Q */
++ felem *x3, felem *z3, /* output Q + Q' */
++ felem *x, felem *z, /* input Q */
++ felem *xprime, felem *zprime, /* input Q' */
++ felem *qmqp /* input Q - Q' */) {++ felem origx[10], origxprime[10], zzz[19], xx[19], zz[19], xxprime[19],
++ zzprime[19], zzzprime[19], xxxprime[19];
++
++ memcpy(origx, x, 10 * sizeof(felem));
++ fsum(x, z);
++ fdifference(z, origx); // does x - z
++
++ memcpy(origxprime, xprime, sizeof(felem) * 10);
++ fsum(xprime, zprime);
++ fdifference(zprime, origxprime);
++ fproduct(xxprime, xprime, z);
++ fproduct(zzprime, x, zprime);
++ freduce_degree(xxprime);
++ freduce_coefficients(xxprime);
++ freduce_degree(zzprime);
++ freduce_coefficients(zzprime);
++ memcpy(origxprime, xxprime, sizeof(felem) * 10);
++ fsum(xxprime, zzprime);
++ fdifference(zzprime, origxprime);
++ fsquare(xxxprime, xxprime);
++ fsquare(zzzprime, zzprime);
++ fproduct(zzprime, zzzprime, qmqp);
++ freduce_degree(zzprime);
++ freduce_coefficients(zzprime);
++ memcpy(x3, xxxprime, sizeof(felem) * 10);
++ memcpy(z3, zzprime, sizeof(felem) * 10);
++
++ fsquare(xx, x);
++ fsquare(zz, z);
++ fproduct(x2, xx, zz);
++ freduce_degree(x2);
++ freduce_coefficients(x2);
++ fdifference(zz, xx); // does zz = xx - zz
++ memset(zzz + 10, 0, sizeof(felem) * 9);
++ fscalar_product(zzz, zz, 121665);
++ freduce_degree(zzz);
++ freduce_coefficients(zzz);
++ fsum(zzz, xx);
++ fproduct(z2, zz, zzz);
++ freduce_degree(z2);
++ freduce_coefficients(z2);
++}
++
++/* Calculates nQ where Q is the x-coordinate of a point on the curve
++ *
++ * resultx/resultz: the x coordinate of the resulting curve point (short form)
++ * n: a little endian, 32-byte number
++ * q: a point of the curve (short form)
++ */
++static void
++cmult(felem *resultx, felem *resultz, uchar *n, felem *q) {++ felem a[19] = {0}, b[19] = {1}, c[19] = {1}, d[19] = {0};++ felem *nqpqx = a, *nqpqz = b, *nqx = c, *nqz = d, *t;
++ felem e[19] = {0}, f[19] = {1}, g[19] = {0}, h[19] = {1};++ felem *nqpqx2 = e, *nqpqz2 = f, *nqx2 = g, *nqz2 = h;
++
++ unsigned i, j;
++
++ memcpy(nqpqx, q, sizeof(felem) * 10);
++
++ for (i = 0; i < 32; ++i) {++ uchar byte = n[31 - i];
++ for (j = 0; j < 8; ++j) {++ if (byte & 0x80) {++ fmonty(nqpqx2, nqpqz2,
++ nqx2, nqz2,
++ nqpqx, nqpqz,
++ nqx, nqz,
++ q);
++ } else {++ fmonty(nqx2, nqz2,
++ nqpqx2, nqpqz2,
++ nqx, nqz,
++ nqpqx, nqpqz,
++ q);
++ }
++
++ t = nqx;
++ nqx = nqx2;
++ nqx2 = t;
++ t = nqz;
++ nqz = nqz2;
++ nqz2 = t;
++ t = nqpqx;
++ nqpqx = nqpqx2;
++ nqpqx2 = t;
++ t = nqpqz;
++ nqpqz = nqpqz2;
++ nqpqz2 = t;
++
++ byte <<= 1;
++ }
++ }
++
++ memcpy(resultx, nqx, sizeof(felem) * 10);
++ memcpy(resultz, nqz, sizeof(felem) * 10);
++}
++
++// -----------------------------------------------------------------------------
++// Shamelessly copied from djb's code
++// -----------------------------------------------------------------------------
++static void
++crecip(felem *out, felem *z) {++ felem z2[10];
++ felem z9[10];
++ felem z11[10];
++ felem z2_5_0[10];
++ felem z2_10_0[10];
++ felem z2_20_0[10];
++ felem z2_50_0[10];
++ felem z2_100_0[10];
++ felem t0[10];
++ felem t1[10];
++ int i;
++
++ /* 2 */ fsquare(z2,z);
++ /* 4 */ fsquare(t1,z2);
++ /* 8 */ fsquare(t0,t1);
++ /* 9 */ fmul(z9,t0,z);
++ /* 11 */ fmul(z11,z9,z2);
++ /* 22 */ fsquare(t0,z11);
++ /* 2^5 - 2^0 = 31 */ fmul(z2_5_0,t0,z9);
++
++ /* 2^6 - 2^1 */ fsquare(t0,z2_5_0);
++ /* 2^7 - 2^2 */ fsquare(t1,t0);
++ /* 2^8 - 2^3 */ fsquare(t0,t1);
++ /* 2^9 - 2^4 */ fsquare(t1,t0);
++ /* 2^10 - 2^5 */ fsquare(t0,t1);
++ /* 2^10 - 2^0 */ fmul(z2_10_0,t0,z2_5_0);
++
++ /* 2^11 - 2^1 */ fsquare(t0,z2_10_0);
++ /* 2^12 - 2^2 */ fsquare(t1,t0);
++ /* 2^20 - 2^10 */ for (i = 2;i < 10;i += 2) { fsquare(t0,t1); fsquare(t1,t0); }++ /* 2^20 - 2^0 */ fmul(z2_20_0,t1,z2_10_0);
++
++ /* 2^21 - 2^1 */ fsquare(t0,z2_20_0);
++ /* 2^22 - 2^2 */ fsquare(t1,t0);
++ /* 2^40 - 2^20 */ for (i = 2;i < 20;i += 2) { fsquare(t0,t1); fsquare(t1,t0); }++ /* 2^40 - 2^0 */ fmul(t0,t1,z2_20_0);
++
++ /* 2^41 - 2^1 */ fsquare(t1,t0);
++ /* 2^42 - 2^2 */ fsquare(t0,t1);
++ /* 2^50 - 2^10 */ for (i = 2;i < 10;i += 2) { fsquare(t1,t0); fsquare(t0,t1); }++ /* 2^50 - 2^0 */ fmul(z2_50_0,t0,z2_10_0);
++
++ /* 2^51 - 2^1 */ fsquare(t0,z2_50_0);
++ /* 2^52 - 2^2 */ fsquare(t1,t0);
++ /* 2^100 - 2^50 */ for (i = 2;i < 50;i += 2) { fsquare(t0,t1); fsquare(t1,t0); }++ /* 2^100 - 2^0 */ fmul(z2_100_0,t1,z2_50_0);
++
++ /* 2^101 - 2^1 */ fsquare(t1,z2_100_0);
++ /* 2^102 - 2^2 */ fsquare(t0,t1);
++ /* 2^200 - 2^100 */ for (i = 2;i < 100;i += 2) { fsquare(t1,t0); fsquare(t0,t1); }++ /* 2^200 - 2^0 */ fmul(t1,t0,z2_100_0);
++
++ /* 2^201 - 2^1 */ fsquare(t0,t1);
++ /* 2^202 - 2^2 */ fsquare(t1,t0);
++ /* 2^250 - 2^50 */ for (i = 2;i < 50;i += 2) { fsquare(t0,t1); fsquare(t1,t0); }++ /* 2^250 - 2^0 */ fmul(t0,t1,z2_50_0);
++
++ /* 2^251 - 2^1 */ fsquare(t1,t0);
++ /* 2^252 - 2^2 */ fsquare(t0,t1);
++ /* 2^253 - 2^3 */ fsquare(t1,t0);
++ /* 2^254 - 2^4 */ fsquare(t0,t1);
++ /* 2^255 - 2^5 */ fsquare(t1,t0);
++ /* 2^255 - 21 */ fmul(out,t1,z11);
++}
++
++void
++curve25519(uchar mypublic[32], uchar secret[32], uchar basepoint[32]) {++ felem bp[10], x[10], z[10], zmone[10];
++ fexpand(bp, basepoint);
++ cmult(x, z, secret, bp);
++ crecip(zmone, z);
++ fmul(z, x, zmone);
++ fcontract(mypublic, z);
++}
+--- /dev/null Wed Jul 14 01:55:45 2021
++++ /sys/src/libsec/port/curve25519_dh.c Mon Jul 12 11:09:54 2021
+@@ -0,0 +1,38 @@
++#include <u.h>
++#include <libc.h>
++#include <mp.h>
++#include <libsec.h>
++
++static uchar nine[32] = {9};++static uchar zero[32] = {0};++
++void
++curve25519_dh_new(uchar x[32], uchar y[32])
++{++ uchar b;
++
++ /* new public/private key pair */
++ genrandom(x, 32);
++ b = x[31];
++ x[0] &= ~7; /* clear bit 0,1,2 */
++ x[31] = 0x40 | (b & 0x7f); /* set bit 254, clear bit 255 */
++ curve25519(y, x, nine);
++
++ /* bit 255 is always 0, so make it random */
++ y[31] |= b & 0x80;
++}
++
++int
++curve25519_dh_finish(uchar x[32], uchar y[32], uchar z[32])
++{++ /* remove the random bit */
++ y[31] &= 0x7f;
++
++ /* calculate dhx key */
++ curve25519(z, x, y);
++
++ memset(x, 0, 32);
++ memset(y, 0, 32);
++
++ return tsmemcmp(z, zero, 32) != 0;
++}
+--- sys/src/libsec/port/decodepem.c Wed May 12 00:41:09 2004
++++ /sys/src/libsec/port/decodepem.c Sat Jun 26 21:21:41 2021
+@@ -27,13 +27,15 @@
+ t++;
+ if(strncmp(tt, "-----BEGIN ", STRLEN("-----BEGIN ")) == 0+ && strncmp(&tt[STRLEN("-----BEGIN ")], type, n) == 0+- && strncmp(&tt[STRLEN("-----BEGIN ")+n], "-----\n", STRLEN("-----\n")) == 0)++ && strncmp(&tt[STRLEN("-----BEGIN ")+n], "-----", STRLEN("-----")) == 0++ && strchr("\r\n", tt[STRLEN("-----BEGIN ")+n+STRLEN("-----")]) != nil)+ break;
+ }
+ for(tt = t; tt != nil && tt < e; tt++){+ if(strncmp(tt, "-----END ", STRLEN("-----END ")) == 0+ && strncmp(&tt[STRLEN("-----END ")], type, n) == 0+- && strncmp(&tt[STRLEN("-----END ")+n], "-----\n", STRLEN("-----\n")) == 0)++ && strncmp(&tt[STRLEN("-----END ")+n], "-----", STRLEN("-----")) == 0++ && strchr("\r\n", tt[STRLEN("-----END ")+n+STRLEN("-----")]) != nil)+ break;
+ tt = strchr(tt, '\n');
+ if(tt == nil)
+--- sys/src/libsec/port/des.c Fri Mar 1 21:12:59 2002
++++ /sys/src/libsec/port/des.c Sat Jun 26 21:21:41 2021
+@@ -1,4 +1,6 @@
+-#include "os.h"
++#include <u.h>
++#include <libc.h>
++#include <mp.h>
+ #include <libsec.h>
+
+ /*
+--- sys/src/libsec/port/des3CBC.c Wed Apr 25 20:01:32 2001
++++ /sys/src/libsec/port/des3CBC.c Sat Jun 26 21:21:41 2021
+@@ -1,4 +1,5 @@
+-#include "os.h"
++#include <u.h>
++#include <libc.h>
+ #include <mp.h>
+ #include <libsec.h>
+
+--- sys/src/libsec/port/des3ECB.c Wed Apr 25 20:01:32 2001
++++ /sys/src/libsec/port/des3ECB.c Sat Jun 26 21:21:41 2021
+@@ -1,4 +1,5 @@
+-#include "os.h"
++#include <u.h>
++#include <libc.h>
+ #include <mp.h>
+ #include <libsec.h>
+
+--- sys/src/libsec/port/desCBC.c Fri Mar 16 03:41:59 2001
++++ /sys/src/libsec/port/desCBC.c Sat Jun 26 21:21:41 2021
+@@ -1,4 +1,5 @@
+-#include "os.h"
++#include <u.h>
++#include <libc.h>
+ #include <mp.h>
+ #include <libsec.h>
+
+--- sys/src/libsec/port/desECB.c Fri Mar 16 03:41:59 2001
++++ /sys/src/libsec/port/desECB.c Sat Jun 26 21:21:41 2021
+@@ -1,4 +1,5 @@
+-#include "os.h"
++#include <u.h>
++#include <libc.h>
+ #include <mp.h>
+ #include <libsec.h>
+
+--- sys/src/libsec/port/desmodes.c Fri Mar 1 21:12:59 2002
++++ /sys/src/libsec/port/desmodes.c Sat Jun 26 21:21:41 2021
+@@ -1,4 +1,6 @@
+-#include "os.h"
++#include <u.h>
++#include <libc.h>
++#include <mp.h>
+ #include <libsec.h>
+
+ /*
+--- /dev/null Mon Jun 28 00:12:24 2021
++++ /sys/src/libsec/port/dh.c Sat Jun 26 21:21:41 2021
+@@ -0,0 +1,75 @@
++#include <u.h>
++#include <libc.h>
++#include <mp.h>
++#include <libsec.h>
++
++mpint*
++dh_new(DHstate *dh, mpint *p, mpint *q, mpint *g)
++{++ mpint *pm1;
++ int n;
++
++ memset(dh, 0, sizeof(*dh));
++ if(mpcmp(g, mpone) <= 0)
++ return nil;
++
++ n = mpsignif(p);
++ pm1 = mpnew(n);
++ mpsub(p, mpone, pm1);
++ dh->p = mpcopy(p);
++ dh->g = mpcopy(g);
++ dh->q = mpcopy(q != nil ? q : pm1);
++ dh->x = mpnew(mpsignif(dh->q));
++ dh->y = mpnew(n);
++ for(;;){++ mpnrand(dh->q, genrandom, dh->x);
++ mpexp(dh->g, dh->x, dh->p, dh->y);
++ if(mpcmp(dh->y, mpone) > 0 && mpcmp(dh->y, pm1) < 0)
++ break;
++ }
++ mpfree(pm1);
++
++ return dh->y;
++}
++
++mpint*
++dh_finish(DHstate *dh, mpint *y)
++{++ mpint *k = nil;
++
++ if(y == nil || dh->x == nil || dh->p == nil || dh->q == nil)
++ goto Out;
++
++ /* y > 1 */
++ if(mpcmp(y, mpone) <= 0)
++ goto Out;
++
++ k = mpnew(mpsignif(dh->p));
++
++ /* y < p-1 */
++ mpsub(dh->p, mpone, k);
++ if(mpcmp(y, k) >= 0){++Bad:
++ mpfree(k);
++ k = nil;
++ goto Out;
++ }
++
++ /* y**q % p == 1 if q < p-1 */
++ if(mpcmp(dh->q, k) < 0){++ mpexp(y, dh->q, dh->p, k);
++ if(mpcmp(k, mpone) != 0)
++ goto Bad;
++ }
++
++ mpexp(y, dh->x, dh->p, k);
++
++Out:
++ mpfree(dh->p);
++ mpfree(dh->q);
++ mpfree(dh->g);
++ mpfree(dh->x);
++ mpfree(dh->y);
++ memset(dh, 0, sizeof(*dh));
++ return k;
++}
+--- sys/src/libsec/port/dsaalloc.c Thu Sep 18 03:53:20 2003
++++ /sys/src/libsec/port/dsaalloc.c Sat Jun 26 21:21:41 2021
+@@ -1,4 +1,5 @@
+-#include "os.h"
++#include <u.h>
++#include <libc.h>
+ #include <mp.h>
+ #include <libsec.h>
+
+--- sys/src/libsec/port/dsagen.c Thu Sep 18 03:53:19 2003
++++ /sys/src/libsec/port/dsagen.c Sat Jun 26 21:21:41 2021
+@@ -1,4 +1,5 @@
+-#include "os.h"
++#include <u.h>
++#include <libc.h>
+ #include <mp.h>
+ #include <libsec.h>
+
+--- sys/src/libsec/port/dsaprimes.c Fri Mar 16 03:42:00 2001
++++ /sys/src/libsec/port/dsaprimes.c Sat Jun 26 21:21:41 2021
+@@ -1,4 +1,5 @@
+-#include "os.h"
++#include <u.h>
++#include <libc.h>
+ #include <mp.h>
+ #include <libsec.h>
+
+@@ -12,7 +13,7 @@
+ static void
+ Hrand(uchar *s)
+ {+- ulong *u = (ulong*)s;
++ u32int *u = (u32int*)s;
+ *u++ = fastrand();
+ *u++ = fastrand();
+ *u++ = fastrand();
+--- sys/src/libsec/port/dsaprivtopub.c Thu Jul 25 21:32:06 2002
++++ /sys/src/libsec/port/dsaprivtopub.c Sat Jun 26 21:21:41 2021
+@@ -1,4 +1,5 @@
+-#include "os.h"
++#include <u.h>
++#include <libc.h>
+ #include <mp.h>
+ #include <libsec.h>
+
+--- sys/src/libsec/port/dsasign.c Thu Sep 18 03:53:20 2003
++++ /sys/src/libsec/port/dsasign.c Sat Jun 26 21:21:41 2021
+@@ -1,4 +1,5 @@
+-#include "os.h"
++#include <u.h>
++#include <libc.h>
+ #include <mp.h>
+ #include <libsec.h>
+
+--- sys/src/libsec/port/dsaverify.c Thu Sep 18 03:53:21 2003
++++ /sys/src/libsec/port/dsaverify.c Sat Jun 26 21:21:41 2021
+@@ -1,4 +1,5 @@
+-#include "os.h"
++#include <u.h>
++#include <libc.h>
+ #include <mp.h>
+ #include <libsec.h>
+
+--- /dev/null Mon Jun 28 00:12:24 2021
++++ /sys/src/libsec/port/ecc.c Sat Jun 26 21:21:41 2021
+@@ -0,0 +1,613 @@
++#include <u.h>
++#include <libc.h>
++#include <mp.h>
++#include <libsec.h>
++#include <ctype.h>
++
++extern void jacobian_affine(mpint *p,
++ mpint *X, mpint *Y, mpint *Z);
++extern void jacobian_dbl(mpint *p, mpint *a,
++ mpint *X1, mpint *Y1, mpint *Z1,
++ mpint *X3, mpint *Y3, mpint *Z3);
++extern void jacobian_add(mpint *p, mpint *a,
++ mpint *X1, mpint *Y1, mpint *Z1,
++ mpint *X2, mpint *Y2, mpint *Z2,
++ mpint *X3, mpint *Y3, mpint *Z3);
++
++void
++ecassign(ECdomain *dom, ECpoint *a, ECpoint *b)
++{++ if((b->inf = a->inf) != 0)
++ return;
++ mpassign(a->x, b->x);
++ mpassign(a->y, b->y);
++ if(b->z != nil){++ mpassign(a->z != nil ? a->z : mpone, b->z);
++ return;
++ }
++ if(a->z != nil){++ b->z = mpcopy(a->z);
++ jacobian_affine(dom->p, b->x, b->y, b->z);
++ mpfree(b->z);
++ b->z = nil;
++ }
++}
++
++void
++ecadd(ECdomain *dom, ECpoint *a, ECpoint *b, ECpoint *s)
++{++ if(a->inf && b->inf){++ s->inf = 1;
++ return;
++ }
++ if(a->inf){++ ecassign(dom, b, s);
++ return;
++ }
++ if(b->inf){++ ecassign(dom, a, s);
++ return;
++ }
++
++ if(s->z == nil){++ s->z = mpcopy(mpone);
++ ecadd(dom, a, b, s);
++ if(!s->inf)
++ jacobian_affine(dom->p, s->x, s->y, s->z);
++ mpfree(s->z);
++ s->z = nil;
++ return;
++ }
++
++ if(a == b)
++ jacobian_dbl(dom->p, dom->a,
++ a->x, a->y, a->z != nil ? a->z : mpone,
++ s->x, s->y, s->z);
++ else
++ jacobian_add(dom->p, dom->a,
++ a->x, a->y, a->z != nil ? a->z : mpone,
++ b->x, b->y, b->z != nil ? b->z : mpone,
++ s->x, s->y, s->z);
++ s->inf = mpcmp(s->z, mpzero) == 0;
++}
++
++void
++ecmul(ECdomain *dom, ECpoint *a, mpint *k, ECpoint *s)
++{++ ECpoint ns, na;
++ mpint *l;
++
++ if(a->inf || mpcmp(k, mpzero) == 0){++ s->inf = 1;
++ return;
++ }
++ ns.inf = 1;
++ ns.x = mpnew(0);
++ ns.y = mpnew(0);
++ ns.z = mpnew(0);
++ na.x = mpnew(0);
++ na.y = mpnew(0);
++ na.z = mpnew(0);
++ ecassign(dom, a, &na);
++ l = mpcopy(k);
++ l->sign = 1;
++ while(mpcmp(l, mpzero) != 0){++ if(l->p[0] & 1)
++ ecadd(dom, &na, &ns, &ns);
++ ecadd(dom, &na, &na, &na);
++ mpright(l, 1, l);
++ }
++ if(k->sign < 0 && !ns.inf){++ ns.y->sign = -1;
++ mpmod(ns.y, dom->p, ns.y);
++ }
++ ecassign(dom, &ns, s);
++ mpfree(ns.x);
++ mpfree(ns.y);
++ mpfree(ns.z);
++ mpfree(na.x);
++ mpfree(na.y);
++ mpfree(na.z);
++ mpfree(l);
++}
++
++int
++ecverify(ECdomain *dom, ECpoint *a)
++{++ mpint *p, *q;
++ int r;
++
++ if(a->inf)
++ return 1;
++
++ assert(a->z == nil); /* need affine coordinates */
++ p = mpnew(0);
++ q = mpnew(0);
++ mpmodmul(a->y, a->y, dom->p, p);
++ mpmodmul(a->x, a->x, dom->p, q);
++ mpmodadd(q, dom->a, dom->p, q);
++ mpmodmul(q, a->x, dom->p, q);
++ mpmodadd(q, dom->b, dom->p, q);
++ r = mpcmp(p, q);
++ mpfree(p);
++ mpfree(q);
++ return r == 0;
++}
++
++int
++ecpubverify(ECdomain *dom, ECpub *a)
++{++ ECpoint p;
++ int r;
++
++ if(a->inf)
++ return 0;
++ if(!ecverify(dom, a))
++ return 0;
++ p.x = mpnew(0);
++ p.y = mpnew(0);
++ p.z = mpnew(0);
++ ecmul(dom, a, dom->n, &p);
++ r = p.inf;
++ mpfree(p.x);
++ mpfree(p.y);
++ mpfree(p.z);
++ return r;
++}
++
++static void
++fixnibble(uchar *a)
++{++ if(*a >= 'a')
++ *a -= 'a'-10;
++ else if(*a >= 'A')
++ *a -= 'A'-10;
++ else
++ *a -= '0';
++}
++
++static int
++octet(char **s)
++{++ uchar c, d;
++
++ c = *(*s)++;
++ if(!isxdigit(c))
++ return -1;
++ d = *(*s)++;
++ if(!isxdigit(d))
++ return -1;
++ fixnibble(&c);
++ fixnibble(&d);
++ return (c << 4) | d;
++}
++
++static mpint*
++halfpt(ECdomain *dom, char *s, char **rptr, mpint *out)
++{++ char *buf, *r;
++ int n;
++ mpint *ret;
++
++ n = ((mpsignif(dom->p)+7)/8)*2;
++ if(strlen(s) < n)
++ return 0;
++ buf = malloc(n+1);
++ buf[n] = 0;
++ memcpy(buf, s, n);
++ ret = strtomp(buf, &r, 16, out);
++ *rptr = s + (r - buf);
++ free(buf);
++ return ret;
++}
++
++static int
++mpleg(mpint *a, mpint *b)
++{++ int r, k;
++ mpint *m, *n, *t;
++
++ r = 1;
++ m = mpcopy(a);
++ n = mpcopy(b);
++ for(;;){++ if(mpcmp(m, n) > 0)
++ mpmod(m, n, m);
++ if(mpcmp(m, mpzero) == 0){++ r = 0;
++ break;
++ }
++ if(mpcmp(m, mpone) == 0)
++ break;
++ k = mplowbits0(m);
++ if(k > 0){++ if(k & 1)
++ switch(n->p[0] & 15){++ case 3: case 5: case 11: case 13:
++ r = -r;
++ }
++ mpright(m, k, m);
++ }
++ if((n->p[0] & 3) == 3 && (m->p[0] & 3) == 3)
++ r = -r;
++ t = m;
++ m = n;
++ n = t;
++ }
++ mpfree(m);
++ mpfree(n);
++ return r;
++}
++
++static int
++mpsqrt(mpint *n, mpint *p, mpint *r)
++{++ mpint *a, *t, *s, *xp, *xq, *yp, *yq, *zp, *zq, *N;
++
++ if(mpleg(n, p) == -1)
++ return 0;
++ a = mpnew(0);
++ t = mpnew(0);
++ s = mpnew(0);
++ N = mpnew(0);
++ xp = mpnew(0);
++ xq = mpnew(0);
++ yp = mpnew(0);
++ yq = mpnew(0);
++ zp = mpnew(0);
++ zq = mpnew(0);
++ for(;;){++ for(;;){++ mpnrand(p, genrandom, a);
++ if(mpcmp(a, mpzero) > 0)
++ break;
++ }
++ mpmul(a, a, t);
++ mpsub(t, n, t);
++ mpmod(t, p, t);
++ if(mpleg(t, p) == -1)
++ break;
++ }
++ mpadd(p, mpone, N);
++ mpright(N, 1, N);
++ mpmul(a, a, t);
++ mpsub(t, n, t);
++ mpassign(a, xp);
++ uitomp(1, xq);
++ uitomp(1, yp);
++ uitomp(0, yq);
++ while(mpcmp(N, mpzero) != 0){++ if(N->p[0] & 1){++ mpmul(xp, yp, zp);
++ mpmul(xq, yq, zq);
++ mpmul(zq, t, zq);
++ mpadd(zp, zq, zp);
++ mpmod(zp, p, zp);
++ mpmul(xp, yq, zq);
++ mpmul(xq, yp, s);
++ mpadd(zq, s, zq);
++ mpmod(zq, p, yq);
++ mpassign(zp, yp);
++ }
++ mpmul(xp, xp, zp);
++ mpmul(xq, xq, zq);
++ mpmul(zq, t, zq);
++ mpadd(zp, zq, zp);
++ mpmod(zp, p, zp);
++ mpmul(xp, xq, zq);
++ mpadd(zq, zq, zq);
++ mpmod(zq, p, xq);
++ mpassign(zp, xp);
++ mpright(N, 1, N);
++ }
++ if(mpcmp(yq, mpzero) != 0)
++ abort();
++ mpassign(yp, r);
++ mpfree(a);
++ mpfree(t);
++ mpfree(s);
++ mpfree(N);
++ mpfree(xp);
++ mpfree(xq);
++ mpfree(yp);
++ mpfree(yq);
++ mpfree(zp);
++ mpfree(zq);
++ return 1;
++}
++
++ECpoint*
++strtoec(ECdomain *dom, char *s, char **rptr, ECpoint *ret)
++{++ int allocd, o;
++ mpint *r;
++
++ allocd = 0;
++ if(ret == nil){++ allocd = 1;
++ ret = mallocz(sizeof(*ret), 1);
++ if(ret == nil)
++ return nil;
++ ret->x = mpnew(0);
++ ret->y = mpnew(0);
++ }
++ ret->inf = 0;
++ o = 0;
++ switch(octet(&s)){++ case 0:
++ ret->inf = 1;
++ break;
++ case 3:
++ o = 1;
++ case 2:
++ if(halfpt(dom, s, &s, ret->x) == nil)
++ goto err;
++ r = mpnew(0);
++ mpmul(ret->x, ret->x, r);
++ mpadd(r, dom->a, r);
++ mpmul(r, ret->x, r);
++ mpadd(r, dom->b, r);
++ if(!mpsqrt(r, dom->p, r)){++ mpfree(r);
++ goto err;
++ }
++ if((r->p[0] & 1) != o)
++ mpsub(dom->p, r, r);
++ mpassign(r, ret->y);
++ mpfree(r);
++ if(!ecverify(dom, ret))
++ goto err;
++ break;
++ case 4:
++ if(halfpt(dom, s, &s, ret->x) == nil)
++ goto err;
++ if(halfpt(dom, s, &s, ret->y) == nil)
++ goto err;
++ if(!ecverify(dom, ret))
++ goto err;
++ break;
++ }
++ if(ret->z != nil && !ret->inf)
++ mpassign(mpone, ret->z);
++ return ret;
++
++err:
++ if(rptr)
++ *rptr = s;
++ if(allocd){++ mpfree(ret->x);
++ mpfree(ret->y);
++ free(ret);
++ }
++ return nil;
++}
++
++ECpriv*
++ecgen(ECdomain *dom, ECpriv *p)
++{++ if(p == nil){++ p = mallocz(sizeof(*p), 1);
++ if(p == nil)
++ return nil;
++ p->x = mpnew(0);
++ p->y = mpnew(0);
++ p->d = mpnew(0);
++ }
++ for(;;){++ mpnrand(dom->n, genrandom, p->d);
++ if(mpcmp(p->d, mpzero) > 0)
++ break;
++ }
++ ecmul(dom, &dom->G, p->d, p);
++ return p;
++}
++
++void
++ecdsasign(ECdomain *dom, ECpriv *priv, uchar *dig, int len, mpint *r, mpint *s)
++{++ ECpriv tmp;
++ mpint *E, *t;
++
++ tmp.x = mpnew(0);
++ tmp.y = mpnew(0);
++ tmp.z = nil;
++ tmp.d = mpnew(0);
++ E = betomp(dig, len, nil);
++ t = mpnew(0);
++ if(mpsignif(dom->n) < 8*len)
++ mpright(E, 8*len - mpsignif(dom->n), E);
++ for(;;){++ ecgen(dom, &tmp);
++ mpmod(tmp.x, dom->n, r);
++ if(mpcmp(r, mpzero) == 0)
++ continue;
++ mpmul(r, priv->d, s);
++ mpadd(E, s, s);
++ mpinvert(tmp.d, dom->n, t);
++ mpmodmul(s, t, dom->n, s);
++ if(mpcmp(s, mpzero) != 0)
++ break;
++ }
++ mpfree(t);
++ mpfree(E);
++ mpfree(tmp.x);
++ mpfree(tmp.y);
++ mpfree(tmp.d);
++}
++
++int
++ecdsaverify(ECdomain *dom, ECpub *pub, uchar *dig, int len, mpint *r, mpint *s)
++{++ mpint *E, *t, *u1, *u2;
++ ECpoint R, S;
++ int ret;
++
++ if(mpcmp(r, mpone) < 0 || mpcmp(s, mpone) < 0 || mpcmp(r, dom->n) >= 0 || mpcmp(r, dom->n) >= 0)
++ return 0;
++ E = betomp(dig, len, nil);
++ if(mpsignif(dom->n) < 8*len)
++ mpright(E, 8*len - mpsignif(dom->n), E);
++ t = mpnew(0);
++ u1 = mpnew(0);
++ u2 = mpnew(0);
++ R.x = mpnew(0);
++ R.y = mpnew(0);
++ R.z = mpnew(0);
++ S.x = mpnew(0);
++ S.y = mpnew(0);
++ S.z = mpnew(0);
++ mpinvert(s, dom->n, t);
++ mpmodmul(E, t, dom->n, u1);
++ mpmodmul(r, t, dom->n, u2);
++ ecmul(dom, &dom->G, u1, &R);
++ ecmul(dom, pub, u2, &S);
++ ecadd(dom, &R, &S, &R);
++ ret = 0;
++ if(!R.inf){++ jacobian_affine(dom->p, R.x, R.y, R.z);
++ mpmod(R.x, dom->n, t);
++ ret = mpcmp(r, t) == 0;
++ }
++ mpfree(E);
++ mpfree(t);
++ mpfree(u1);
++ mpfree(u2);
++ mpfree(R.x);
++ mpfree(R.y);
++ mpfree(R.z);
++ mpfree(S.x);
++ mpfree(S.y);
++ mpfree(S.z);
++ return ret;
++}
++
++static char *code = "123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz";
++
++void
++base58enc(uchar *src, char *dst, int len)
++{++ mpint *n, *r, *b;
++ char *sdst, t;
++
++ sdst = dst;
++ n = betomp(src, len, nil);
++ b = uitomp(58, nil);
++ r = mpnew(0);
++ while(mpcmp(n, mpzero) != 0){++ mpdiv(n, b, n, r);
++ *dst++ = code[mptoui(r)];
++ }
++ for(; *src == 0; src++)
++ *dst++ = code[0];
++ *dst-- = 0;
++ while(dst > sdst){++ t = *sdst;
++ *sdst++ = *dst;
++ *dst-- = t;
++ }
++}
++
++int
++base58dec(char *src, uchar *dst, int len)
++{++ mpint *n, *b, *r;
++ char *t;
++
++ n = mpnew(0);
++ r = mpnew(0);
++ b = uitomp(58, nil);
++ for(; *src; src++){++ t = strchr(code, *src);
++ if(t == nil){++ mpfree(n);
++ mpfree(r);
++ mpfree(b);
++ werrstr("invalid base58 char");++ return -1;
++ }
++ uitomp(t - code, r);
++ mpmul(n, b, n);
++ mpadd(n, r, n);
++ }
++ mptober(n, dst, len);
++ mpfree(n);
++ mpfree(r);
++ mpfree(b);
++ return 0;
++}
++
++void
++ecdominit(ECdomain *dom, void (*init)(mpint *p, mpint *a, mpint *b, mpint *x, mpint *y, mpint *n, mpint *h))
++{++ memset(dom, 0, sizeof(*dom));
++ dom->p = mpnew(0);
++ dom->a = mpnew(0);
++ dom->b = mpnew(0);
++ dom->G.x = mpnew(0);
++ dom->G.y = mpnew(0);
++ dom->n = mpnew(0);
++ dom->h = mpnew(0);
++ if(init){++ (*init)(dom->p, dom->a, dom->b, dom->G.x, dom->G.y, dom->n, dom->h);
++ dom->p = mpfield(dom->p);
++ }
++}
++
++void
++ecdomfree(ECdomain *dom)
++{++ mpfree(dom->p);
++ mpfree(dom->a);
++ mpfree(dom->b);
++ mpfree(dom->G.x);
++ mpfree(dom->G.y);
++ mpfree(dom->n);
++ mpfree(dom->h);
++ memset(dom, 0, sizeof(*dom));
++}
++
++int
++ecencodepub(ECdomain *dom, ECpub *pub, uchar *data, int len)
++{++ int n;
++
++ n = (mpsignif(dom->p)+7)/8;
++ if(len < 1 + 2*n)
++ return 0;
++ len = 1 + 2*n;
++ data[0] = 0x04;
++ mptober(pub->x, data+1, n);
++ mptober(pub->y, data+1+n, n);
++ return len;
++}
++
++ECpub*
++ecdecodepub(ECdomain *dom, uchar *data, int len)
++{++ ECpub *pub;
++ int n;
++
++ n = (mpsignif(dom->p)+7)/8;
++ if(len != 1 + 2*n || data[0] != 0x04)
++ return nil;
++ pub = mallocz(sizeof(*pub), 1);
++ if(pub == nil)
++ return nil;
++ pub->x = betomp(data+1, n, nil);
++ pub->y = betomp(data+1+n, n, nil);
++ if(!ecpubverify(dom, pub)){++ ecpubfree(pub);
++ pub = nil;
++ }
++ return pub;
++}
++
++void
++ecpubfree(ECpub *p)
++{++ if(p == nil)
++ return;
++ mpfree(p->x);
++ mpfree(p->y);
++ free(p);
++}
+--- sys/src/libsec/port/egalloc.c Thu Sep 18 03:53:18 2003
++++ /sys/src/libsec/port/egalloc.c Sat Jun 26 21:21:41 2021
+@@ -1,4 +1,5 @@
+-#include "os.h"
++#include <u.h>
++#include <libc.h>
+ #include <mp.h>
+ #include <libsec.h>
+
+--- sys/src/libsec/port/egdecrypt.c Fri Mar 16 03:42:00 2001
++++ /sys/src/libsec/port/egdecrypt.c Sat Jun 26 21:21:41 2021
+@@ -1,4 +1,5 @@
+-#include "os.h"
++#include <u.h>
++#include <libc.h>
+ #include <mp.h>
+ #include <libsec.h>
+
+--- sys/src/libsec/port/egencrypt.c Fri Mar 1 21:12:59 2002
++++ /sys/src/libsec/port/egencrypt.c Sat Jun 26 21:21:41 2021
+@@ -1,4 +1,5 @@
+-#include "os.h"
++#include <u.h>
++#include <libc.h>
+ #include <mp.h>
+ #include <libsec.h>
+
+--- sys/src/libsec/port/eggen.c Thu Jul 25 21:32:05 2002
++++ /sys/src/libsec/port/eggen.c Sat Jun 26 21:21:41 2021
+@@ -1,4 +1,5 @@
+-#include "os.h"
++#include <u.h>
++#include <libc.h>
+ #include <mp.h>
+ #include <libsec.h>
+
+--- sys/src/libsec/port/egprivtopub.c Fri Mar 16 03:42:00 2001
++++ /sys/src/libsec/port/egprivtopub.c Sat Jun 26 21:21:41 2021
+@@ -1,4 +1,5 @@
+-#include "os.h"
++#include <u.h>
++#include <libc.h>
+ #include <mp.h>
+ #include <libsec.h>
+
+--- sys/src/libsec/port/egsign.c Thu Jul 25 21:32:05 2002
++++ /sys/src/libsec/port/egsign.c Sat Jun 26 21:21:41 2021
+@@ -1,4 +1,5 @@
+-#include "os.h"
++#include <u.h>
++#include <libc.h>
+ #include <mp.h>
+ #include <libsec.h>
+
+--- sys/src/libsec/port/egtest.c Fri Mar 16 03:42:01 2001
++++ /sys/src/libsec/port/egtest.c Sat Jun 26 21:21:41 2021
+@@ -1,4 +1,5 @@
+-#include "os.h"
++#include <u.h>
++#include <libc.h>
+ #include <mp.h>
+ #include <libsec.h>
+
+@@ -9,7 +10,7 @@
+ mpint *m, *gamma, *delta, *in, *out;
+ int plen, shift;
+
+- fmtinstall('B', mpconv);++ fmtinstall('B', mpfmt);+
+ sk = egprivalloc();
+ sk->pub.p = uitomp(2357, nil);
+--- sys/src/libsec/port/egverify.c Fri Mar 16 03:42:01 2001
++++ /sys/src/libsec/port/egverify.c Sat Jun 26 21:21:41 2021
+@@ -1,4 +1,5 @@
+-#include "os.h"
++#include <u.h>
++#include <libc.h>
+ #include <mp.h>
+ #include <libsec.h>
+
+--- sys/src/libsec/port/fastrand.c Mon Oct 28 20:21:41 2002
++++ /sys/src/libsec/port/fastrand.c Sat Jun 26 21:21:41 2021
+@@ -1,6 +1,7 @@
+-#include <u.h>
+-#include <libc.h>
+-#include <libsec.h>
++#include <u.h>
++#include <libc.h>
++#include <mp.h>
++#include <libsec.h>
+
+ /*
+ * use the X917 random number generator to create random
+--- sys/src/libsec/port/genprime.c Fri Mar 16 03:42:01 2001
++++ /sys/src/libsec/port/genprime.c Sat Jun 26 21:21:41 2021
+@@ -1,4 +1,5 @@
+-#include "os.h"
++#include <u.h>
++#include <libc.h>
+ #include <mp.h>
+ #include <libsec.h>
+
+@@ -17,6 +18,7 @@
+ p->p[p->top-1] &= (x-1);
+ p->p[p->top-1] |= x;
+ p->p[0] |= 1;
++ mpnorm(p);
+
+ // keep icrementing till it looks prime
+ for(;;){+--- sys/src/libsec/port/genrandom.c Fri Mar 16 03:42:01 2001
++++ /sys/src/libsec/port/genrandom.c Sat Jun 26 21:21:41 2021
+@@ -1,62 +1,46 @@
+-#include "os.h"
++#include <u.h>
++#include <libc.h>
+ #include <mp.h>
+ #include <libsec.h>
+
+-typedef struct State{+- QLock lock;
+- int seeded;
+- uvlong seed;
+- DES3state des3;
+-} State;
+-static State x917state;
+-
+ static void
+-X917(uchar *rand, int nrand)
++init(Chachastate *cs)
+ {+- int i, m, n8;
+- uvlong I, x;
++ ulong seed[11];
++ int i;
++
++ for(i=0; i<nelem(seed); i++)
++ seed[i] = truerand();
+
+- /* 1. Compute intermediate value I = Ek(time). */
+- I = nsec();
+- triple_block_cipher(x917state.des3.expanded, (uchar*)&I, 0); /* two-key EDE */
+-
+- /* 2. x[i] = Ek(I^seed); seed = Ek(x[i]^I); */
+- m = (nrand+7)/8;
+- for(i=0; i<m; i++){+- x = I ^ x917state.seed;
+- triple_block_cipher(x917state.des3.expanded, (uchar*)&x, 0);
+- n8 = (nrand>8) ? 8 : nrand;
+- memcpy(rand, (uchar*)&x, n8);
+- rand += 8;
+- nrand -= 8;
+- x ^= I;
+- triple_block_cipher(x917state.des3.expanded, (uchar*)&x, 0);
+- x917state.seed = x;
+- }
++ setupChachastate(cs, (uchar*)&seed[0], 32, (uchar*)&seed[8], 12, 20);
++ memset(seed, 0, sizeof(seed));
+ }
+
+ static void
+-X917init(void)
++fill(Chachastate *cs, uchar *p, int n)
+ {+- int n;
+- uchar mix[128];
+- uchar key3[3][8];
+- ulong *ulp;
+-
+- ulp = (ulong*)key3;
+- for(n = 0; n < sizeof(key3)/sizeof(ulong); n++)
+- ulp[n] = truerand();
+- setupDES3state(&x917state.des3, key3, nil);
+- X917(mix, sizeof mix);
+- x917state.seeded = 1;
++ Chachastate c;
++
++ c = *cs;
++ chacha_encrypt((uchar*)&cs->input[4], 32, &c);
++ if(++cs->input[13] == 0)
++ if(++cs->input[14] == 0)
++ ++cs->input[15];
++
++ chacha_encrypt(p, n, &c);
++ memset(&c, 0, sizeof(c));
+ }
+
+ void
+ genrandom(uchar *p, int n)
+ {+- qlock(&x917state.lock);
+- if(x917state.seeded == 0)
+- X917init();
+- X917(p, n);
+- qunlock(&x917state.lock);
++ static QLock lk;
++ static Chachastate cs;
++
++ qlock(&lk);
++ if(cs.rounds == 0)
++ init(&cs);
++ cs.input[4] ^= getpid(); /* fork protection */
++ fill(&cs, p, n);
++ qunlock(&lk);
+ }
+--- sys/src/libsec/port/gensafeprime.c Thu Jul 25 21:32:04 2002
++++ /sys/src/libsec/port/gensafeprime.c Sat Jun 26 21:21:41 2021
+@@ -1,4 +1,5 @@
+-#include "os.h"
++#include <u.h>
++#include <libc.h>
+ #include <mp.h>
+ #include <libsec.h>
+
+--- sys/src/libsec/port/genstrongprime.c Fri Mar 16 03:42:02 2001
++++ /sys/src/libsec/port/genstrongprime.c Sat Jun 26 21:21:41 2021
+@@ -1,4 +1,5 @@
+-#include "os.h"
++#include <u.h>
++#include <libc.h>
+ #include <mp.h>
+ #include <libsec.h>
+
+--- /dev/null Mon Jun 28 00:12:24 2021
++++ /sys/src/libsec/port/hkdf.c Sat Jun 26 21:21:41 2021
+@@ -0,0 +1,40 @@
++#include <u.h>
++#include <libc.h>
++#include <mp.h>
++#include <libsec.h>
++
++/* rfc5869 */
++void
++hkdf_x(salt, nsalt, info, ninfo, key, nkey, d, dlen, x, xlen)
++ uchar *salt, *info, *key, *d;
++ ulong nsalt, ninfo, nkey, dlen;
++ DigestState* (*x)(uchar*, ulong, uchar*, ulong, uchar*, DigestState*);
++ int xlen;
++{++ uchar prk[256], tmp[256], cnt;
++ DigestState *ds;
++
++ assert(xlen <= sizeof(tmp));
++
++ memset(tmp, 0, xlen);
++ if(nsalt == 0){++ salt = tmp;
++ nsalt = xlen;
++ }
++ /* note that salt and key are swapped in this case */
++ (*x)(key, nkey, salt, nsalt, prk, nil);
++ ds = nil;
++ for(cnt=1;; cnt++) {++ if(ninfo > 0)
++ ds = (*x)(info, ninfo, prk, xlen, nil, ds);
++ (*x)(&cnt, 1, prk, xlen, tmp, ds);
++ if(dlen <= xlen){++ memmove(d, tmp, dlen);
++ break;
++ }
++ memmove(d, tmp, xlen);
++ dlen -= xlen;
++ d += xlen;
++ ds = (*x)(tmp, xlen, prk, xlen, nil, nil);
++ }
++}
+--- sys/src/libsec/port/hmac.c Tue Aug 28 20:13:48 2007
++++ /sys/src/libsec/port/hmac.c Sat Jun 26 21:21:41 2021
+@@ -1,4 +1,6 @@
+-#include "os.h"
++#include <u.h>
++#include <libc.h>
++#include <mp.h>
+ #include <libsec.h>
+
+ /* rfc2104 */
+@@ -11,8 +13,13 @@
+
+ if(xlen > sizeof(innerdigest))
+ return nil;
+- if(klen > Hmacblksz)
+- return nil;
++ if(klen > Hmacblksz){++ if(xlen > Hmacblksz)
++ return nil;
++ (*x)(key, klen, innerdigest, nil);
++ key = innerdigest;
++ klen = xlen;
++ }
+
+ /* first time through */
+ if(s == nil || s->seeded == 0){+--- sys/src/libsec/port/hmactest.c Fri Mar 16 03:42:02 2001
++++ /sys/src/libsec/port/hmactest.c Sat Jun 26 21:21:41 2021
+@@ -1,4 +1,5 @@
+-#include "os.h"
++#include <u.h>
++#include <libc.h>
+ #include <mp.h>
+ #include <libsec.h>
+
+--- /dev/null Mon Jun 28 00:12:24 2021
++++ /sys/src/libsec/port/jacobian.c Wed Jun 30 17:38:31 2021
+@@ -0,0 +1,220 @@
++#include "os.h"
++#include <mp.h>
++
++void
++jacobian_new(mpint *x, mpint *y, mpint *z, mpint *X, mpint *Y, mpint *Z)
++{++ mpassign(x, X);
++ mpassign(y, Y);
++ mpassign(z, Z);
++}
++
++void
++jacobian_inf(mpint *X, mpint *Y, mpint *Z)
++{++ jacobian_new(mpzero, mpone, mpzero, X, Y, Z);
++}
++
++void
++jacobian_affine(mpint *p, mpint *X, mpint *Y, mpint *Z)
++{++ mpint *ZZZ = mpnew(0);
++ mpint *ZZ = mpnew(0);
++
++ if(mpcmp(Z, mpzero) != 0){++ mpmodmul(Z, Z, p, ZZ);
++ mpmodmul(ZZ, Z, p, ZZZ);
++ mpint *inv = mpnew(0);
++ mpinvert(ZZ, p, inv);
++ mpmodmul(X, inv, p, X);
++ mpfree(inv);
++ inv = mpnew(0);
++ mpinvert(ZZZ, p, inv);
++ mpmodmul(Y, inv, p, Y);
++ mpfree(inv);
++ mpassign(mpone, Z);
++ }
++ mpfree(ZZZ);
++ mpfree(ZZ);
++}
++
++void
++jacobian_dbl(mpint *p, mpint *a, mpint *X1, mpint *Y1, mpint *Z1, mpint *X3, mpint *Y3, mpint *Z3)
++{++ /*
++ * if(Y1 == 0) {++ * X3,Y3,Z3 = jacobian_inf();
++ * } else {++ * XX = X1^2;
++ * YY = Y1^2;
++ * YYYY = YY^2;
++ * ZZ = Z1^2;
++ * S = 2*((X1+YY)^2-XX-YYYY);
++ * M = 3*XX+a*ZZ^2;
++ * Z3 = (Y1+Z1)^2-YY-ZZ;
++ * X3 = M^2-2*S;
++ * Y3 = M*(S-X3)-8*YYYY;
++ * }
++ */
++ mpint *M = mpnew(0);
++ mpint *S = mpnew(0);
++ mpint *ZZ = mpnew(0);
++ mpint *YYYY = mpnew(0);
++ mpint *YY = mpnew(0);
++ mpint *XX = mpnew(0);
++ if(mpcmp(Y1, mpzero) == 0)
++ jacobian_inf(X3, Y3, Z3);
++ else{++ mpmodmul(X1, X1, p, XX);
++ mpmodmul(Y1, Y1, p, YY);
++ mpmodmul(YY, YY, p, YYYY);
++ mpmodmul(Z1, Z1, p, ZZ);
++ mpint *tmp1 = mpnew(0);
++ mpmodadd(X1, YY, p, tmp1);
++ mpmodmul(tmp1, tmp1, p, tmp1);
++ mpmodsub(tmp1, XX, p, tmp1);
++ mpmodsub(tmp1, YYYY, p, tmp1);
++ mpmodadd(tmp1, tmp1, p, S); // 2*tmp1
++ mpfree(tmp1);
++ tmp1 = mpnew(0);
++ uitomp(3UL, tmp1);
++ mpmodmul(tmp1, XX, p, M);
++ mpfree(tmp1);
++ tmp1 = mpnew(0);
++ mpint *tmp2 = mpnew(0);
++ mpmodmul(ZZ, ZZ, p, tmp2);
++ mpmodmul(a, tmp2, p, tmp1);
++ mpfree(tmp2);
++ mpmodadd(M, tmp1, p, M);
++ mpfree(tmp1);
++ mpmodadd(Y1, Z1, p, Z3);
++ mpmodmul(Z3, Z3, p, Z3);
++ mpmodsub(Z3, YY, p, Z3);
++ mpmodsub(Z3, ZZ, p, Z3);
++ mpmodmul(M, M, p, X3);
++ tmp1 = mpnew(0);
++ mpmodadd(S, S, p, tmp1); // 2*S
++ mpmodsub(X3, tmp1, p, X3);
++ mpfree(tmp1);
++ tmp1 = mpnew(0);
++ mpmodsub(S, X3, p, tmp1);
++ mpmodmul(M, tmp1, p, Y3);
++ mpfree(tmp1);
++ tmp1 = mpnew(0);
++ tmp2 = mpnew(0);
++ uitomp(8UL, tmp2);
++ mpmodmul(tmp2, YYYY, p, tmp1);
++ mpfree(tmp2);
++ mpmodsub(Y3, tmp1, p, Y3);
++ mpfree(tmp1);
++ }
++ mpfree(M);
++ mpfree(S);
++ mpfree(ZZ);
++ mpfree(YYYY);
++ mpfree(YY);
++ mpfree(XX);
++}
++
++void
++jacobian_add(mpint *p, mpint *a, mpint *X1, mpint *Y1, mpint *Z1, mpint *X2, mpint *Y2, mpint *Z2, mpint *X3, mpint *Y3, mpint *Z3)
++{++ /*
++ * Z1Z1 = Z1^2;
++ * Z2Z2 = Z2^2;
++ * U1 = X1*Z2Z2;
++ * U2 = X2*Z1Z1;
++ * S1 = Y1*Z2*Z2Z2;
++ * S2 = Y2*Z1*Z1Z1;
++ * if(U1 == U2) {++ * if(S1 != S2) {++ * X3,Y3,Z3 = jacobian_inf();
++ * } else {++ * X3,Y3,Z3 = jacobian_dbl(p,a, X1,Y1,Z1);
++ * }
++ * } else {++ * H = U2-U1;
++ * I = (2*H)^2;
++ * J = H*I;
++ * r = 2*(S2-S1);
++ * V = U1*I;
++ * X3 = r^2-J-2*V;
++ * Y3 = r*(V-X3)-2*S1*J;
++ * Z3 = ((Z1+Z2)^2-Z1Z1-Z2Z2)*H;
++ * }
++ */
++ mpint *V = mpnew(0);
++ mpint *r = mpnew(0);
++ mpint *J = mpnew(0);
++ mpint *I = mpnew(0);
++ mpint *H = mpnew(0);
++ mpint *S2 = mpnew(0);
++ mpint *S1 = mpnew(0);
++ mpint *U2 = mpnew(0);
++ mpint *U1 = mpnew(0);
++ mpint *Z2Z2 = mpnew(0);
++ mpint *Z1Z1 = mpnew(0);
++ mpmodmul(Z1, Z1, p, Z1Z1);
++ mpmodmul(Z2, Z2, p, Z2Z2);
++ mpmodmul(X1, Z2Z2, p, U1);
++ mpmodmul(X2, Z1Z1, p, U2);
++ mpint *tmp1 = mpnew(0);
++ mpmodmul(Y1, Z2, p, tmp1);
++ mpmodmul(tmp1, Z2Z2, p, S1);
++ mpfree(tmp1);
++ tmp1 = mpnew(0);
++ mpmodmul(Y2, Z1, p, tmp1);
++ mpmodmul(tmp1, Z1Z1, p, S2);
++ mpfree(tmp1);
++ if(mpcmp(U1, U2) == 0){++ if(mpcmp(S1, S2) != 0)
++ jacobian_inf(X3, Y3, Z3);
++ else
++ jacobian_dbl(p, a, X1, Y1, Z1, X3, Y3, Z3);
++ }else{++ mpmodsub(U2, U1, p, H);
++ mpmodadd(H, H, p, I); // 2*H
++ mpmodmul(I, I, p, I);
++ mpmodmul(H, I, p, J);
++ mpint *tmp2 = mpnew(0);
++ mpmodsub(S2, S1, p, tmp2);
++ mpmodadd(tmp2, tmp2, p, r); // 2*tmp2
++ mpfree(tmp2);
++ mpmodmul(U1, I, p, V);
++ mpmodmul(r, r, p, X3);
++ mpmodsub(X3, J, p, X3);
++ tmp2 = mpnew(0);
++ mpmodadd(V, V, p, tmp2); // 2*V
++ mpmodsub(X3, tmp2, p, X3);
++ mpfree(tmp2);
++ tmp2 = mpnew(0);
++ mpmodsub(V, X3, p, tmp2);
++ mpmodmul(r, tmp2, p, Y3);
++ mpfree(tmp2);
++ tmp2 = mpnew(0);
++ mpint *tmp3 = mpnew(0);
++ mpmodadd(S1, S1, p, tmp3); // 2*S1
++ mpmodmul(tmp3, J, p, tmp2);
++ mpfree(tmp3);
++ mpmodsub(Y3, tmp2, p, Y3);
++ mpfree(tmp2);
++ tmp2 = mpnew(0);
++ mpmodadd(Z1, Z2, p, tmp2);
++ mpmodmul(tmp2, tmp2, p, tmp2);
++ mpmodsub(tmp2, Z1Z1, p, tmp2);
++ mpmodsub(tmp2, Z2Z2, p, tmp2);
++ mpmodmul(tmp2, H, p, Z3);
++ mpfree(tmp2);
++ }
++ mpfree(V);
++ mpfree(r);
++ mpfree(J);
++ mpfree(I);
++ mpfree(H);
++ mpfree(S2);
++ mpfree(S1);
++ mpfree(U2);
++ mpfree(U1);
++ mpfree(Z2Z2);
++ mpfree(Z1Z1);
++}
+--- sys/src/libsec/port/md4.c Fri Mar 1 21:12:59 2002
++++ /sys/src/libsec/port/md4.c Sat Jun 26 21:21:41 2021
+@@ -1,4 +1,5 @@
+-#include "os.h"
++#include <u.h>
++#include <libc.h>
+ #include <libsec.h>
+
+ /*
+--- sys/src/libsec/port/md4test.c Fri Mar 16 03:42:02 2001
++++ /sys/src/libsec/port/md4test.c Sat Jun 26 21:21:41 2021
+@@ -1,4 +1,5 @@
+-#include "os.h"
++#include <u.h>
++#include <libc.h>
+ #include <mp.h>
+ #include <libsec.h>
+
+--- sys/src/libsec/port/md5.c Tue Aug 28 20:13:48 2007
++++ /sys/src/libsec/port/md5.c Sat Jun 26 21:21:41 2021
+@@ -1,4 +1,6 @@
+-#include "os.h"
++#include <u.h>
++#include <libc.h>
++#include <mp.h>
+ #include <libsec.h>
+
+ /*
+--- sys/src/libsec/port/md5block.c Tue Mar 20 22:48:05 2001
++++ /sys/src/libsec/port/md5block.c Sat Jun 26 21:21:41 2021
+@@ -1,4 +1,6 @@
+-#include "os.h"
++#include <u.h>
++#include <libc.h>
++#include <mp.h>
+ #include <libsec.h>
+
+ /*
+--- sys/src/libsec/port/mkfile Thu Jul 1 17:28:57 2021
++++ /sys/src/libsec/port/mkfile Sat Jun 26 21:21:41 2021
+@@ -3,11 +3,15 @@
+ LIB=/$objtype/lib/libsec.a
+
+ CFILES = des.c desmodes.c desECB.c desCBC.c des3ECB.c des3CBC.c\
+- aes.c blowfish.c chacha.c \
++ aes.c aesni.c aesCBC.c aesCFB.c aesCTR.c aesOFB.c aes_gcm.c \
++ blowfish.c \
+ hmac.c md5.c md5block.c md4.c sha1.c sha1block.c\
+ sha2_64.c sha2_128.c sha2block64.c sha2block128.c\
+ sha1pickle.c md5pickle.c\
++ poly1305.c\
+ rc4.c\
++ chacha.c chachablock.c\
++ salsa.c\
+ genrandom.c prng.c fastrand.c nfastrand.c\
+ probably_prime.c smallprimetest.c genprime.c dsaprimes.c\
+ gensafeprime.c genstrongprime.c\
+@@ -17,7 +21,23 @@
+ egsign.c egverify.c \
+ dsagen.c dsaalloc.c dsaprivtopub.c dsasign.c dsaverify.c \
+ tlshand.c thumb.c readcert.c \
++ aes_xts.c \
++ ecc.c\
++ jacobian.c\
++ ripemd.c\
++ dh.c\
++ curve25519.c\
++ curve25519_dh.c\
+ pbkdf2.c\
++ scrypt.c\
++ hkdf.c\
++ ccpoly.c\
++ tsmemcmp.c\
++ secp256r1.c\
++ secp384r1.c\
++ secp256k1.c\
++
++# CLEANFILES=secp256r1.c secp384r1.c secp256k1.c jacobian.c
+
+ ALLOFILES=${CFILES:%.c=%.$O}+
+@@ -35,4 +55,10 @@
+ </sys/src/cmd/mksyslib
+
+ $O.rsatest: rsatest.$O
++ $LD -o $target $prereq
++
++$O.chachatest: chachatest.$O
++ $LD -o $target $prereq
++
++$O.aesgcmtest: aesgcmtest.$O
+ $LD -o $target $prereq
+--- sys/src/libsec/port/nfastrand.c Thu Sep 18 03:53:15 2003
++++ /sys/src/libsec/port/nfastrand.c Sat Jun 26 21:21:41 2021
+@@ -1,5 +1,6 @@
+ #include <u.h>
+ #include <libc.h>
++#include <mp.h>
+ #include <libsec.h>
+
+ #define Maxrand ((1UL<<31)-1)
+--- sys/src/libsec/port/pbkdf2.c Thu Jul 1 17:28:55 2021
++++ /sys/src/libsec/port/pbkdf2.c Sat Jun 26 21:21:41 2021
+@@ -1,4 +1,6 @@
+-#include "os.h"
++#include <u.h>
++#include <libc.h>
++#include <mp.h>
+ #include <libsec.h>
+
+ /* rfc2898 */
+--- /dev/null Mon Jun 28 00:12:24 2021
++++ /sys/src/libsec/port/poly1305.c Sat Jun 26 21:21:41 2021
+@@ -0,0 +1,197 @@
++#include <u.h>
++#include <libc.h>
++#include <mp.h>
++#include <libsec.h>
++
++/*
++ poly1305 implementation using 32 bit * 32 bit = 64 bit multiplication and 64 bit addition
++
++ derived from http://github.com/floodberry/poly1305-donna
++*/
++
++#define U8TO32(p) ((u32int)(p)[0] | (u32int)(p)[1]<<8 | (u32int)(p)[2]<<16 | (u32int)(p)[3]<<24)
++#define U32TO8(p, v) (p)[0]=(v), (p)[1]=(v)>>8, (p)[2]=(v)>>16, (p)[3]=(v)>>24
++
++/* (r,s) = (key[0:15],key[16:31]), the one time key */
++DigestState*
++poly1305(uchar *m, ulong len, uchar *key, ulong klen, uchar *digest, DigestState *s)
++{++ u32int r0,r1,r2,r3,r4, s1,s2,s3,s4, h0,h1,h2,h3,h4, g0,g1,g2,g3,g4;
++ u64int d0,d1,d2,d3,d4, f;
++ u32int hibit, mask, c;
++
++ if(s == nil){++ s = malloc(sizeof(*s));
++ if(s == nil)
++ return nil;
++ memset(s, 0, sizeof(*s));
++ s->malloced = 1;
++ }
++
++ if(s->seeded == 0){++ assert(klen == 32);
++
++ /* r &= 0xffffffc0ffffffc0ffffffc0fffffff */
++ s->state[0] = (U8TO32(&key[ 0]) ) & 0x3ffffff;
++ s->state[1] = (U8TO32(&key[ 3]) >> 2) & 0x3ffff03;
++ s->state[2] = (U8TO32(&key[ 6]) >> 4) & 0x3ffc0ff;
++ s->state[3] = (U8TO32(&key[ 9]) >> 6) & 0x3f03fff;
++ s->state[4] = (U8TO32(&key[12]) >> 8) & 0x00fffff;
++
++ /* h = 0 */
++ s->state[5] = 0;
++ s->state[6] = 0;
++ s->state[7] = 0;
++ s->state[8] = 0;
++ s->state[9] = 0;
++
++ /* save pad for later */
++ s->state[10] = U8TO32(&key[16]);
++ s->state[11] = U8TO32(&key[20]);
++ s->state[12] = U8TO32(&key[24]);
++ s->state[13] = U8TO32(&key[28]);
++
++ s->seeded = 1;
++ }
++
++ if(s->blen){++ c = 16 - s->blen;
++ if(c > len)
++ c = len;
++ memmove(s->buf + s->blen, m, c);
++ len -= c, m += c;
++ s->blen += c;
++ if(s->blen == 16){++ s->blen = 0;
++ poly1305(s->buf, 16, key, klen, nil, s);
++ } else if(len == 0){++ m = s->buf;
++ len = s->blen;
++ s->blen = 0;
++ }
++ }
++
++ r0 = s->state[0];
++ r1 = s->state[1];
++ r2 = s->state[2];
++ r3 = s->state[3];
++ r4 = s->state[4];
++
++ h0 = s->state[5];
++ h1 = s->state[6];
++ h2 = s->state[7];
++ h3 = s->state[8];
++ h4 = s->state[9];
++
++ s1 = r1 * 5;
++ s2 = r2 * 5;
++ s3 = r3 * 5;
++ s4 = r4 * 5;
++
++ hibit = 1<<24; /* 1<<128 */
++
++ while(len >= 16){++Block:
++ /* h += m[i] */
++ h0 += (U8TO32(&m[0]) ) & 0x3ffffff;
++ h1 += (U8TO32(&m[3]) >> 2) & 0x3ffffff;
++ h2 += (U8TO32(&m[6]) >> 4) & 0x3ffffff;
++ h3 += (U8TO32(&m[9]) >> 6) & 0x3ffffff;
++ h4 += (U8TO32(&m[12])>> 8) | hibit;
++
++ /* h *= r */
++ d0 = ((u64int)h0 * r0) + ((u64int)h1 * s4) + ((u64int)h2 * s3) + ((u64int)h3 * s2) + ((u64int)h4 * s1);
++ d1 = ((u64int)h0 * r1) + ((u64int)h1 * r0) + ((u64int)h2 * s4) + ((u64int)h3 * s3) + ((u64int)h4 * s2);
++ d2 = ((u64int)h0 * r2) + ((u64int)h1 * r1) + ((u64int)h2 * r0) + ((u64int)h3 * s4) + ((u64int)h4 * s3);
++ d3 = ((u64int)h0 * r3) + ((u64int)h1 * r2) + ((u64int)h2 * r1) + ((u64int)h3 * r0) + ((u64int)h4 * s4);
++ d4 = ((u64int)h0 * r4) + ((u64int)h1 * r3) + ((u64int)h2 * r2) + ((u64int)h3 * r1) + ((u64int)h4 * r0);
++
++ /* (partial) h %= p */
++ c = (u32int)(d0 >> 26); h0 = (u32int)d0 & 0x3ffffff;
++ d1 += c; c = (u32int)(d1 >> 26); h1 = (u32int)d1 & 0x3ffffff;
++ d2 += c; c = (u32int)(d2 >> 26); h2 = (u32int)d2 & 0x3ffffff;
++ d3 += c; c = (u32int)(d3 >> 26); h3 = (u32int)d3 & 0x3ffffff;
++ d4 += c; c = (u32int)(d4 >> 26); h4 = (u32int)d4 & 0x3ffffff;
++ h0 += c * 5; c = (h0 >> 26); h0 = h0 & 0x3ffffff;
++ h1 += c;
++
++ len -= 16, m += 16;
++ }
++
++ if(len){++ s->blen = len;
++ memmove(s->buf, m, len);
++ }
++
++ if(digest == nil){++ s->state[5] = h0;
++ s->state[6] = h1;
++ s->state[7] = h2;
++ s->state[8] = h3;
++ s->state[9] = h4;
++ return s;
++ }
++
++ if(len){++ m = s->buf;
++ m[len++] = 1;
++ while(len < 16)
++ m[len++] = 0;
++ hibit = 0;
++ goto Block;
++ }
++
++ c = h1 >> 26; h1 = h1 & 0x3ffffff;
++ h2 += c; c = h2 >> 26; h2 = h2 & 0x3ffffff;
++ h3 += c; c = h3 >> 26; h3 = h3 & 0x3ffffff;
++ h4 += c; c = h4 >> 26; h4 = h4 & 0x3ffffff;
++ h0 += c * 5; c = h0 >> 26; h0 = h0 & 0x3ffffff;
++ h1 += c;
++
++ /* compute h + -p */
++ g0 = h0 + 5; c = g0 >> 26; g0 &= 0x3ffffff;
++ g1 = h1 + c; c = g1 >> 26; g1 &= 0x3ffffff;
++ g2 = h2 + c; c = g2 >> 26; g2 &= 0x3ffffff;
++ g3 = h3 + c; c = g3 >> 26; g3 &= 0x3ffffff;
++ g4 = h4 + c - (1 << 26);
++
++ /* select h if h < p, or h + -p if h >= p */
++ mask = (g4 >> 31) - 1;
++ g0 &= mask;
++ g1 &= mask;
++ g2 &= mask;
++ g3 &= mask;
++ g4 &= mask;
++ mask = ~mask;
++ h0 = (h0 & mask) | g0;
++ h1 = (h1 & mask) | g1;
++ h2 = (h2 & mask) | g2;
++ h3 = (h3 & mask) | g3;
++ h4 = (h4 & mask) | g4;
++
++ /* h = h % (2^128) */
++ h0 = (h0 ) | (h1 << 26);
++ h1 = (h1 >> 6) | (h2 << 20);
++ h2 = (h2 >> 12) | (h3 << 14);
++ h3 = (h3 >> 18) | (h4 << 8);
++
++ /* digest = (h + pad) % (2^128) */
++ f = (u64int)h0 + s->state[10] ; h0 = (u32int)f;
++ f = (u64int)h1 + s->state[11] + (f >> 32); h1 = (u32int)f;
++ f = (u64int)h2 + s->state[12] + (f >> 32); h2 = (u32int)f;
++ f = (u64int)h3 + s->state[13] + (f >> 32); h3 = (u32int)f;
++
++ U32TO8(&digest[0], h0);
++ U32TO8(&digest[4], h1);
++ U32TO8(&digest[8], h2);
++ U32TO8(&digest[12], h3);
++
++ if(s->malloced){++ memset(s, 0, sizeof(*s));
++ free(s);
++ return nil;
++ }
++
++ memset(s, 0, sizeof(*s));
++ return nil;
++}
+--- sys/src/libsec/port/primetest.c Fri Mar 16 03:42:03 2001
++++ /sys/src/libsec/port/primetest.c Sat Jun 26 21:21:41 2021
+@@ -1,4 +1,5 @@
+-#include "os.h"
++#include <u.h>
++#include <libc.h>
+ #include <mp.h>
+ #include <libsec.h>
+
+@@ -10,7 +11,7 @@
+ mpint *q = mpnew(0);
+ mpint *nine = mpnew(0);
+
+- fmtinstall('B', mpconv);++ fmtinstall('B', mpfmt);+ strtomp("2492491", nil, 16, z); // 38347921 = x*y = (2**28-9)/7, + // an example of 3**(n-1)=1 mod n
+ strtomp("15662C00E811", nil, 16, p);// 23528569104401, a prime+--- sys/src/libsec/port/prng.c Fri Mar 16 03:42:03 2001
++++ /sys/src/libsec/port/prng.c Sat Jun 26 21:21:41 2021
+@@ -1,4 +1,5 @@
+-#include "os.h"
++#include <u.h>
++#include <libc.h>
+ #include <mp.h>
+ #include <libsec.h>
+
+--- sys/src/libsec/port/probably_prime.c Sun Mar 7 21:36:11 2010
++++ /sys/src/libsec/port/probably_prime.c Sat Jun 26 21:21:41 2021
+@@ -1,4 +1,5 @@
+-#include "os.h"
++#include <u.h>
++#include <libc.h>
+ #include <mp.h>
+ #include <libsec.h>
+
+@@ -21,10 +22,10 @@
+ nrep = 18;
+
+ k = mptoi(n);
+- if(k == 2) /* 2 is prime */
+- return 1;
+ if(k < 2) /* 1 is not prime */
+ return 0;
++ if(k == 2 || k == 3) /* 2, 3 is prime */
++ return 1;
+ if((n->p[0] & 1) == 0) /* even is not prime */
+ return 0;
+
+--- sys/src/libsec/port/rc4.c Fri Mar 1 21:13:00 2002
++++ /sys/src/libsec/port/rc4.c Sat Jun 26 21:21:41 2021
+@@ -1,4 +1,6 @@
+-#include "os.h"
++#include <u.h>
++#include <libc.h>
++#include <mp.h>
+ #include <libsec.h>
+
+ void
+--- sys/src/libsec/port/readcert.c Wed Aug 15 21:43:32 2007
++++ /sys/src/libsec/port/readcert.c Sat Jun 26 21:21:41 2021
+@@ -1,6 +1,5 @@
+ #include <u.h>
+ #include <libc.h>
+-#include <auth.h>
+ #include <mp.h>
+ #include <libsec.h>
+
+@@ -11,7 +10,7 @@
+ char *s;
+ Dir *d;
+
+- fd = open(name, OREAD);
++ fd = open(name, OREAD|OCEXEC);
+ if(fd < 0)
+ return nil;
+ if((d = dirfstat(fd)) == nil) {+--- /dev/null Mon Jun 28 00:12:24 2021
++++ /sys/src/libsec/port/ripemd.c Sat Jun 26 21:21:42 2021
+@@ -0,0 +1,385 @@
++#include <u.h>
++#include <libc.h>
++#include <mp.h>
++
++#include <libsec.h>
++
++#define BYTES_TO_DWORD(strptr) \
++ (((u32int) *((strptr)+3) << 24) | \
++ ((u32int) *((strptr)+2) << 16) | \
++ ((u32int) *((strptr)+1) << 8) | \
++ ((u32int) *(strptr)))
++
++#define ROL(x, n) (((x) << (n)) | ((x) >> (32-(n))))
++
++/* the five basic functions F(), G() and H() */
++#define F(x, y, z) ((x) ^ (y) ^ (z))
++#define G(x, y, z) (((x) & (y)) | (~(x) & (z)))
++#define H(x, y, z) (((x) | ~(y)) ^ (z))
++#define I(x, y, z) (((x) & (z)) | ((y) & ~(z)))
++#define J(x, y, z) ((x) ^ ((y) | ~(z)))
++
++/* the ten basic operations FF() through III() */
++#define FF(a, b, c, d, e, x, s) {\++ (a) += F((b), (c), (d)) + (x);\
++ (a) = ROL((a), (s)) + (e);\
++ (c) = ROL((c), 10);\
++ }
++#define GG(a, b, c, d, e, x, s) {\++ (a) += G((b), (c), (d)) + (x) + 0x5a827999UL;\
++ (a) = ROL((a), (s)) + (e);\
++ (c) = ROL((c), 10);\
++ }
++#define HH(a, b, c, d, e, x, s) {\++ (a) += H((b), (c), (d)) + (x) + 0x6ed9eba1UL;\
++ (a) = ROL((a), (s)) + (e);\
++ (c) = ROL((c), 10);\
++ }
++#define II(a, b, c, d, e, x, s) {\++ (a) += I((b), (c), (d)) + (x) + 0x8f1bbcdcUL;\
++ (a) = ROL((a), (s)) + (e);\
++ (c) = ROL((c), 10);\
++ }
++#define JJ(a, b, c, d, e, x, s) {\++ (a) += J((b), (c), (d)) + (x) + 0xa953fd4eUL;\
++ (a) = ROL((a), (s)) + (e);\
++ (c) = ROL((c), 10);\
++ }
++#define FFF(a, b, c, d, e, x, s) {\++ (a) += F((b), (c), (d)) + (x);\
++ (a) = ROL((a), (s)) + (e);\
++ (c) = ROL((c), 10);\
++ }
++#define GGG(a, b, c, d, e, x, s) {\++ (a) += G((b), (c), (d)) + (x) + 0x7a6d76e9UL;\
++ (a) = ROL((a), (s)) + (e);\
++ (c) = ROL((c), 10);\
++ }
++#define HHH(a, b, c, d, e, x, s) {\++ (a) += H((b), (c), (d)) + (x) + 0x6d703ef3UL;\
++ (a) = ROL((a), (s)) + (e);\
++ (c) = ROL((c), 10);\
++ }
++#define III(a, b, c, d, e, x, s) {\++ (a) += I((b), (c), (d)) + (x) + 0x5c4dd124UL;\
++ (a) = ROL((a), (s)) + (e);\
++ (c) = ROL((c), 10);\
++ }
++#define JJJ(a, b, c, d, e, x, s) {\++ (a) += J((b), (c), (d)) + (x) + 0x50a28be6UL;\
++ (a) = ROL((a), (s)) + (e);\
++ (c) = ROL((c), 10);\
++ }
++
++
++static void MDinit(u32int *MDbuf)
++{++ MDbuf[0] = 0x67452301UL;
++ MDbuf[1] = 0xefcdab89UL;
++ MDbuf[2] = 0x98badcfeUL;
++ MDbuf[3] = 0x10325476UL;
++ MDbuf[4] = 0xc3d2e1f0UL;
++
++ return;
++}
++
++static void compress(u32int *MDbuf, u32int *X)
++{++ u32int aa = MDbuf[0], bb = MDbuf[1], cc = MDbuf[2],
++ dd = MDbuf[3], ee = MDbuf[4];
++ u32int aaa = MDbuf[0], bbb = MDbuf[1], ccc = MDbuf[2],
++ ddd = MDbuf[3], eee = MDbuf[4];
++
++ /* round 1 */
++ FF(aa, bb, cc, dd, ee, X[ 0], 11);
++ FF(ee, aa, bb, cc, dd, X[ 1], 14);
++ FF(dd, ee, aa, bb, cc, X[ 2], 15);
++ FF(cc, dd, ee, aa, bb, X[ 3], 12);
++ FF(bb, cc, dd, ee, aa, X[ 4], 5);
++ FF(aa, bb, cc, dd, ee, X[ 5], 8);
++ FF(ee, aa, bb, cc, dd, X[ 6], 7);
++ FF(dd, ee, aa, bb, cc, X[ 7], 9);
++ FF(cc, dd, ee, aa, bb, X[ 8], 11);
++ FF(bb, cc, dd, ee, aa, X[ 9], 13);
++ FF(aa, bb, cc, dd, ee, X[10], 14);
++ FF(ee, aa, bb, cc, dd, X[11], 15);
++ FF(dd, ee, aa, bb, cc, X[12], 6);
++ FF(cc, dd, ee, aa, bb, X[13], 7);
++ FF(bb, cc, dd, ee, aa, X[14], 9);
++ FF(aa, bb, cc, dd, ee, X[15], 8);
++
++ /* round 2 */
++ GG(ee, aa, bb, cc, dd, X[ 7], 7);
++ GG(dd, ee, aa, bb, cc, X[ 4], 6);
++ GG(cc, dd, ee, aa, bb, X[13], 8);
++ GG(bb, cc, dd, ee, aa, X[ 1], 13);
++ GG(aa, bb, cc, dd, ee, X[10], 11);
++ GG(ee, aa, bb, cc, dd, X[ 6], 9);
++ GG(dd, ee, aa, bb, cc, X[15], 7);
++ GG(cc, dd, ee, aa, bb, X[ 3], 15);
++ GG(bb, cc, dd, ee, aa, X[12], 7);
++ GG(aa, bb, cc, dd, ee, X[ 0], 12);
++ GG(ee, aa, bb, cc, dd, X[ 9], 15);
++ GG(dd, ee, aa, bb, cc, X[ 5], 9);
++ GG(cc, dd, ee, aa, bb, X[ 2], 11);
++ GG(bb, cc, dd, ee, aa, X[14], 7);
++ GG(aa, bb, cc, dd, ee, X[11], 13);
++ GG(ee, aa, bb, cc, dd, X[ 8], 12);
++
++ /* round 3 */
++ HH(dd, ee, aa, bb, cc, X[ 3], 11);
++ HH(cc, dd, ee, aa, bb, X[10], 13);
++ HH(bb, cc, dd, ee, aa, X[14], 6);
++ HH(aa, bb, cc, dd, ee, X[ 4], 7);
++ HH(ee, aa, bb, cc, dd, X[ 9], 14);
++ HH(dd, ee, aa, bb, cc, X[15], 9);
++ HH(cc, dd, ee, aa, bb, X[ 8], 13);
++ HH(bb, cc, dd, ee, aa, X[ 1], 15);
++ HH(aa, bb, cc, dd, ee, X[ 2], 14);
++ HH(ee, aa, bb, cc, dd, X[ 7], 8);
++ HH(dd, ee, aa, bb, cc, X[ 0], 13);
++ HH(cc, dd, ee, aa, bb, X[ 6], 6);
++ HH(bb, cc, dd, ee, aa, X[13], 5);
++ HH(aa, bb, cc, dd, ee, X[11], 12);
++ HH(ee, aa, bb, cc, dd, X[ 5], 7);
++ HH(dd, ee, aa, bb, cc, X[12], 5);
++
++ /* round 4 */
++ II(cc, dd, ee, aa, bb, X[ 1], 11);
++ II(bb, cc, dd, ee, aa, X[ 9], 12);
++ II(aa, bb, cc, dd, ee, X[11], 14);
++ II(ee, aa, bb, cc, dd, X[10], 15);
++ II(dd, ee, aa, bb, cc, X[ 0], 14);
++ II(cc, dd, ee, aa, bb, X[ 8], 15);
++ II(bb, cc, dd, ee, aa, X[12], 9);
++ II(aa, bb, cc, dd, ee, X[ 4], 8);
++ II(ee, aa, bb, cc, dd, X[13], 9);
++ II(dd, ee, aa, bb, cc, X[ 3], 14);
++ II(cc, dd, ee, aa, bb, X[ 7], 5);
++ II(bb, cc, dd, ee, aa, X[15], 6);
++ II(aa, bb, cc, dd, ee, X[14], 8);
++ II(ee, aa, bb, cc, dd, X[ 5], 6);
++ II(dd, ee, aa, bb, cc, X[ 6], 5);
++ II(cc, dd, ee, aa, bb, X[ 2], 12);
++
++ /* round 5 */
++ JJ(bb, cc, dd, ee, aa, X[ 4], 9);
++ JJ(aa, bb, cc, dd, ee, X[ 0], 15);
++ JJ(ee, aa, bb, cc, dd, X[ 5], 5);
++ JJ(dd, ee, aa, bb, cc, X[ 9], 11);
++ JJ(cc, dd, ee, aa, bb, X[ 7], 6);
++ JJ(bb, cc, dd, ee, aa, X[12], 8);
++ JJ(aa, bb, cc, dd, ee, X[ 2], 13);
++ JJ(ee, aa, bb, cc, dd, X[10], 12);
++ JJ(dd, ee, aa, bb, cc, X[14], 5);
++ JJ(cc, dd, ee, aa, bb, X[ 1], 12);
++ JJ(bb, cc, dd, ee, aa, X[ 3], 13);
++ JJ(aa, bb, cc, dd, ee, X[ 8], 14);
++ JJ(ee, aa, bb, cc, dd, X[11], 11);
++ JJ(dd, ee, aa, bb, cc, X[ 6], 8);
++ JJ(cc, dd, ee, aa, bb, X[15], 5);
++ JJ(bb, cc, dd, ee, aa, X[13], 6);
++
++ /* parallel round 1 */
++ JJJ(aaa, bbb, ccc, ddd, eee, X[ 5], 8);
++ JJJ(eee, aaa, bbb, ccc, ddd, X[14], 9);
++ JJJ(ddd, eee, aaa, bbb, ccc, X[ 7], 9);
++ JJJ(ccc, ddd, eee, aaa, bbb, X[ 0], 11);
++ JJJ(bbb, ccc, ddd, eee, aaa, X[ 9], 13);
++ JJJ(aaa, bbb, ccc, ddd, eee, X[ 2], 15);
++ JJJ(eee, aaa, bbb, ccc, ddd, X[11], 15);
++ JJJ(ddd, eee, aaa, bbb, ccc, X[ 4], 5);
++ JJJ(ccc, ddd, eee, aaa, bbb, X[13], 7);
++ JJJ(bbb, ccc, ddd, eee, aaa, X[ 6], 7);
++ JJJ(aaa, bbb, ccc, ddd, eee, X[15], 8);
++ JJJ(eee, aaa, bbb, ccc, ddd, X[ 8], 11);
++ JJJ(ddd, eee, aaa, bbb, ccc, X[ 1], 14);
++ JJJ(ccc, ddd, eee, aaa, bbb, X[10], 14);
++ JJJ(bbb, ccc, ddd, eee, aaa, X[ 3], 12);
++ JJJ(aaa, bbb, ccc, ddd, eee, X[12], 6);
++
++ /* parallel round 2 */
++ III(eee, aaa, bbb, ccc, ddd, X[ 6], 9);
++ III(ddd, eee, aaa, bbb, ccc, X[11], 13);
++ III(ccc, ddd, eee, aaa, bbb, X[ 3], 15);
++ III(bbb, ccc, ddd, eee, aaa, X[ 7], 7);
++ III(aaa, bbb, ccc, ddd, eee, X[ 0], 12);
++ III(eee, aaa, bbb, ccc, ddd, X[13], 8);
++ III(ddd, eee, aaa, bbb, ccc, X[ 5], 9);
++ III(ccc, ddd, eee, aaa, bbb, X[10], 11);
++ III(bbb, ccc, ddd, eee, aaa, X[14], 7);
++ III(aaa, bbb, ccc, ddd, eee, X[15], 7);
++ III(eee, aaa, bbb, ccc, ddd, X[ 8], 12);
++ III(ddd, eee, aaa, bbb, ccc, X[12], 7);
++ III(ccc, ddd, eee, aaa, bbb, X[ 4], 6);
++ III(bbb, ccc, ddd, eee, aaa, X[ 9], 15);
++ III(aaa, bbb, ccc, ddd, eee, X[ 1], 13);
++ III(eee, aaa, bbb, ccc, ddd, X[ 2], 11);
++
++ /* parallel round 3 */
++ HHH(ddd, eee, aaa, bbb, ccc, X[15], 9);
++ HHH(ccc, ddd, eee, aaa, bbb, X[ 5], 7);
++ HHH(bbb, ccc, ddd, eee, aaa, X[ 1], 15);
++ HHH(aaa, bbb, ccc, ddd, eee, X[ 3], 11);
++ HHH(eee, aaa, bbb, ccc, ddd, X[ 7], 8);
++ HHH(ddd, eee, aaa, bbb, ccc, X[14], 6);
++ HHH(ccc, ddd, eee, aaa, bbb, X[ 6], 6);
++ HHH(bbb, ccc, ddd, eee, aaa, X[ 9], 14);
++ HHH(aaa, bbb, ccc, ddd, eee, X[11], 12);
++ HHH(eee, aaa, bbb, ccc, ddd, X[ 8], 13);
++ HHH(ddd, eee, aaa, bbb, ccc, X[12], 5);
++ HHH(ccc, ddd, eee, aaa, bbb, X[ 2], 14);
++ HHH(bbb, ccc, ddd, eee, aaa, X[10], 13);
++ HHH(aaa, bbb, ccc, ddd, eee, X[ 0], 13);
++ HHH(eee, aaa, bbb, ccc, ddd, X[ 4], 7);
++ HHH(ddd, eee, aaa, bbb, ccc, X[13], 5);
++
++ /* parallel round 4 */
++ GGG(ccc, ddd, eee, aaa, bbb, X[ 8], 15);
++ GGG(bbb, ccc, ddd, eee, aaa, X[ 6], 5);
++ GGG(aaa, bbb, ccc, ddd, eee, X[ 4], 8);
++ GGG(eee, aaa, bbb, ccc, ddd, X[ 1], 11);
++ GGG(ddd, eee, aaa, bbb, ccc, X[ 3], 14);
++ GGG(ccc, ddd, eee, aaa, bbb, X[11], 14);
++ GGG(bbb, ccc, ddd, eee, aaa, X[15], 6);
++ GGG(aaa, bbb, ccc, ddd, eee, X[ 0], 14);
++ GGG(eee, aaa, bbb, ccc, ddd, X[ 5], 6);
++ GGG(ddd, eee, aaa, bbb, ccc, X[12], 9);
++ GGG(ccc, ddd, eee, aaa, bbb, X[ 2], 12);
++ GGG(bbb, ccc, ddd, eee, aaa, X[13], 9);
++ GGG(aaa, bbb, ccc, ddd, eee, X[ 9], 12);
++ GGG(eee, aaa, bbb, ccc, ddd, X[ 7], 5);
++ GGG(ddd, eee, aaa, bbb, ccc, X[10], 15);
++ GGG(ccc, ddd, eee, aaa, bbb, X[14], 8);
++
++ /* parallel round 5 */
++ FFF(bbb, ccc, ddd, eee, aaa, X[12] , 8);
++ FFF(aaa, bbb, ccc, ddd, eee, X[15] , 5);
++ FFF(eee, aaa, bbb, ccc, ddd, X[10] , 12);
++ FFF(ddd, eee, aaa, bbb, ccc, X[ 4] , 9);
++ FFF(ccc, ddd, eee, aaa, bbb, X[ 1] , 12);
++ FFF(bbb, ccc, ddd, eee, aaa, X[ 5] , 5);
++ FFF(aaa, bbb, ccc, ddd, eee, X[ 8] , 14);
++ FFF(eee, aaa, bbb, ccc, ddd, X[ 7] , 6);
++ FFF(ddd, eee, aaa, bbb, ccc, X[ 6] , 8);
++ FFF(ccc, ddd, eee, aaa, bbb, X[ 2] , 13);
++ FFF(bbb, ccc, ddd, eee, aaa, X[13] , 6);
++ FFF(aaa, bbb, ccc, ddd, eee, X[14] , 5);
++ FFF(eee, aaa, bbb, ccc, ddd, X[ 0] , 15);
++ FFF(ddd, eee, aaa, bbb, ccc, X[ 3] , 13);
++ FFF(ccc, ddd, eee, aaa, bbb, X[ 9] , 11);
++ FFF(bbb, ccc, ddd, eee, aaa, X[11] , 11);
++
++ /* combine results */
++ ddd += cc + MDbuf[1]; /* final result for MDbuf[0] */
++ MDbuf[1] = MDbuf[2] + dd + eee;
++ MDbuf[2] = MDbuf[3] + ee + aaa;
++ MDbuf[3] = MDbuf[4] + aa + bbb;
++ MDbuf[4] = MDbuf[0] + bb + ccc;
++ MDbuf[0] = ddd;
++
++ return;
++}
++
++static void MDfinish(u32int *MDbuf, uchar *strptr, u32int lswlen, u32int mswlen)
++{++ unsigned int i; /* counter */
++ u32int X[16]; /* message words */
++
++ memset(X, 0, 16*sizeof(u32int));
++
++ /* put bytes from strptr into X */
++ for (i=0; i<(lswlen&63); i++) {++ /* byte i goes into word X[i div 4] at pos. 8*(i mod 4) */
++ X[i>>2] ^= (u32int) *strptr++ << (8 * (i&3));
++ }
++
++ /* append the bit m_n == 1 */
++ X[(lswlen>>2)&15] ^= (u32int)1 << (8*(lswlen&3) + 7);
++
++ if ((lswlen & 63) > 55) {++ /* length goes to next block */
++ compress(MDbuf, X);
++ memset(X, 0, 16*sizeof(u32int));
++ }
++
++ /* append length in bits*/
++ X[14] = lswlen << 3;
++ X[15] = (lswlen >> 29) | (mswlen << 3);
++ compress(MDbuf, X);
++
++ return;
++}
++
++DigestState*
++ripemd160(uchar *p, ulong len, uchar *digest, DigestState *s)
++{++ u32int x[16];
++ int i, j, k;
++
++ if(s == nil){++ s = malloc(sizeof(*s));
++ if(s == nil)
++ return nil;
++ memset(s, 0, sizeof(*s));
++ s->malloced = 1;
++ }
++
++ if(s->seeded == 0){++ MDinit(s->state);
++ s->seeded = 1;
++ }
++
++ /* fill out the partial 64 byte block from previous calls */
++ if(s->blen){++ i = 64 - s->blen;
++ if(len < i)
++ i = len;
++ memmove(s->buf + s->blen, p, i);
++ len -= i;
++ s->blen += i;
++ p += i;
++ if(s->blen == 64){++ for(i = 0; i < 16; i++)
++ x[i] = BYTES_TO_DWORD(s->buf + i * 4);
++ compress(s->state, x);
++ s->len += s->blen;
++ s->blen = 0;
++ }
++ }
++
++ /* do 64 byte blocks */
++ i = len & ~0x3f;
++ if(i){++ for(j = 0; j < i; j += 64){++ for(k = 0; k < 16; k++)
++ x[k] = BYTES_TO_DWORD(p + j + k * 4);
++ compress(s->state, x);
++ }
++ s->len += i;
++ len -= i;
++ p += i;
++ }
++
++ /* save the left overs if not last call */
++ if(digest == 0){++ if(len){++ memmove(s->buf, p, len);
++ s->blen += len;
++ }
++ return s;
++ }
++
++ MDfinish(s->state, p, s->len + len, 0);
++ for(i = 0; i < 5; i++){++ digest[4 * i] = s->state[i];
++ digest[4 * i + 1] = s->state[i] >> 8;
++ digest[4 * i + 2] = s->state[i] >> 16;
++ digest[4 * i + 3] = s->state[i] >> 24;
++
++ }
++ if(s->malloced == 1)
++ free(s);
++ return nil;
++
++}
+--- sys/src/libsec/port/rsaalloc.c Fri Mar 16 03:42:04 2001
++++ /sys/src/libsec/port/rsaalloc.c Sat Jun 26 21:21:42 2021
+@@ -1,4 +1,5 @@
+-#include "os.h"
++#include <u.h>
++#include <libc.h>
+ #include <mp.h>
+ #include <libsec.h>
+
+--- sys/src/libsec/port/rsadecrypt.c Fri Mar 16 03:42:04 2001
++++ /sys/src/libsec/port/rsadecrypt.c Sat Jun 26 21:21:42 2021
+@@ -1,4 +1,5 @@
+-#include "os.h"
++#include <u.h>
++#include <libc.h>
+ #include <mp.h>
+ #include <libsec.h>
+
+--- sys/src/libsec/port/rsaencrypt.c Fri Mar 16 03:42:04 2001
++++ /sys/src/libsec/port/rsaencrypt.c Sat Jun 26 21:21:42 2021
+@@ -1,4 +1,5 @@
+-#include "os.h"
++#include <u.h>
++#include <libc.h>
+ #include <mp.h>
+ #include <libsec.h>
+
+--- sys/src/libsec/port/rsafill.c Mon Feb 17 18:16:11 2003
++++ /sys/src/libsec/port/rsafill.c Sat Jun 26 21:21:42 2021
+@@ -1,4 +1,5 @@
+-#include "os.h"
++#include <u.h>
++#include <libc.h>
+ #include <mp.h>
+ #include <libsec.h>
+
+--- sys/src/libsec/port/rsagen.c Wed May 12 00:41:09 2004
++++ /sys/src/libsec/port/rsagen.c Sat Jun 26 21:21:42 2021
+@@ -1,4 +1,5 @@
+-#include "os.h"
++#include <u.h>
++#include <libc.h>
+ #include <mp.h>
+ #include <libsec.h>
+
+@@ -26,9 +27,13 @@
+ // find an e relatively prime to phi
+ t1 = mpnew(0);
+ t2 = mpnew(0);
+- mprand(elen, genrandom, e);
+- if(mpcmp(e,mptwo) <= 0)
+- itomp(3, e);
++ if(elen == 0)
++ itomp(65537, e);
++ else {++ mprand(elen, genrandom, e);
++ if(mpcmp(e,mptwo) <= 0)
++ itomp(3, e);
++ }
+ // See Menezes et al. p.291 "8.8 Note (selecting primes)" for discussion
+ // of the merits of various choices of primes and exponents. e=3 is a
+ // common and recommended exponent, but doesn't necessarily work here
+@@ -39,6 +44,8 @@
+ break;
+ mpadd(mpone, e, e);
+ }
++ if(d->sign < 0)
++ mpadd(phi, d, d);
+ mpfree(t1);
+ mpfree(t2);
+
+--- sys/src/libsec/port/rsaprivtopub.c Fri Mar 16 03:42:05 2001
++++ /sys/src/libsec/port/rsaprivtopub.c Sat Jun 26 21:21:42 2021
+@@ -1,4 +1,5 @@
+-#include "os.h"
++#include <u.h>
++#include <libc.h>
+ #include <mp.h>
+ #include <libsec.h>
+
+--- sys/src/libsec/port/rsatest.c Sat May 31 22:53:08 2008
++++ /sys/src/libsec/port/rsatest.c Sat Jun 26 21:21:42 2021
+@@ -1,4 +1,5 @@
+-#include "os.h"
++#include <u.h>
++#include <libc.h>
+ #include <mp.h>
+ #include <libsec.h>
+ #include <bio.h>
+--- /dev/null Mon Jun 28 00:12:24 2021
++++ /sys/src/libsec/port/salsa.c Sat Jun 26 21:21:42 2021
+@@ -0,0 +1,310 @@
++#include <u.h>
++#include <libc.h>
++#include <mp.h>
++#include <libsec.h>
++
++/* little-endian data order */
++#define GET4(p) ((p)[0]|((p)[1]<<8)|((p)[2]<<16)|((p)[3]<<24))
++#define PUT4(p,v) (p)[0]=(v);(p)[1]=(v)>>8;(p)[2]=(v)>>16;(p)[3]=(v)>>24
++
++#define ROTATE(v,c) (t = v, (u32int)(t << (c)) | (t >> (32 - (c))))
++
++#define ENCRYPT(s, x, y, d) {\++ u32int v; \
++ v = GET4(s); \
++ v ^= (x)+(y); \
++ PUT4(d, v); \
++}
++
++static uchar sigma[16] = "expand 32-byte k";
++static uchar tau[16] = "expand 16-byte k";
++
++static void
++load(u32int *d, uchar *s, int nw)
++{++ int i;
++
++ for(i = 0; i < nw; i++, s+=4)
++ d[i] = GET4(s);
++}
++
++void
++setupSalsastate(Salsastate *s, uchar *key, ulong keylen, uchar *iv, ulong ivlen, int rounds)
++{++ if(keylen != 256/8 && keylen != 128/8)
++ sysfatal("invalid salsa key length");++ if(ivlen != 64/8
++ && ivlen != 128/8 && ivlen != 192/8) /* hsalsa, xsalsa */
++ sysfatal("invalid salsa iv length");++ if(rounds == 0)
++ rounds = 20;
++ s->rounds = rounds;
++ if(keylen == 256/8) { /* recommended */++ load(&s->input[0], sigma+4*0, 1);
++ load(&s->input[1], key +16*0, 4);
++ load(&s->input[5], sigma+4*1, 1);
++ load(&s->input[10], sigma+4*2, 1);
++ load(&s->input[11], key +16*1, 4);
++ load(&s->input[15], sigma+4*3, 1);
++ }else{++ load(&s->input[0], tau +4*0, 1);
++ load(&s->input[1], key, 4);
++ load(&s->input[5], tau +4*1, 1);
++ load(&s->input[10], tau +4*2, 1);
++ load(&s->input[11], key, 4);
++ load(&s->input[15], tau +4*3, 1);
++ }
++ s->xkey[0] = s->input[1];
++ s->xkey[1] = s->input[2];
++ s->xkey[2] = s->input[3];
++ s->xkey[3] = s->input[4];
++ s->xkey[4] = s->input[11];
++ s->xkey[5] = s->input[12];
++ s->xkey[6] = s->input[13];
++ s->xkey[7] = s->input[14];
++
++ s->ivwords = ivlen/4;
++ s->input[8] = 0;
++ s->input[9] = 0;
++ if(iv == nil){++ s->input[6] = 0;
++ s->input[7] = 0;
++ }else
++ salsa_setiv(s, iv);
++}
++
++static void
++dorounds(u32int x[16], int rounds)
++{++ u32int t;
++
++ for(; rounds > 0; rounds -= 2) {++ x[4] ^= ROTATE( x[0]+x[12], 7);
++ x[8] ^= ROTATE( x[4]+ x[0], 9);
++ x[12] ^= ROTATE( x[8]+ x[4],13);
++ x[0] ^= ROTATE(x[12]+ x[8],18);
++ x[9] ^= ROTATE( x[5]+ x[1], 7);
++ x[13] ^= ROTATE( x[9]+ x[5], 9);
++ x[1] ^= ROTATE(x[13]+ x[9],13);
++ x[5] ^= ROTATE( x[1]+x[13],18);
++ x[14] ^= ROTATE(x[10]+ x[6], 7);
++ x[2] ^= ROTATE(x[14]+x[10], 9);
++ x[6] ^= ROTATE( x[2]+x[14],13);
++ x[10] ^= ROTATE( x[6]+ x[2],18);
++ x[3] ^= ROTATE(x[15]+x[11], 7);
++ x[7] ^= ROTATE( x[3]+x[15], 9);
++ x[11] ^= ROTATE( x[7]+ x[3],13);
++ x[15] ^= ROTATE(x[11]+ x[7],18);
++ x[1] ^= ROTATE( x[0]+ x[3], 7);
++ x[2] ^= ROTATE( x[1]+ x[0], 9);
++ x[3] ^= ROTATE( x[2]+ x[1],13);
++ x[0] ^= ROTATE( x[3]+ x[2],18);
++ x[6] ^= ROTATE( x[5]+ x[4], 7);
++ x[7] ^= ROTATE( x[6]+ x[5], 9);
++ x[4] ^= ROTATE( x[7]+ x[6],13);
++ x[5] ^= ROTATE( x[4]+ x[7],18);
++ x[11] ^= ROTATE(x[10]+ x[9], 7);
++ x[8] ^= ROTATE(x[11]+x[10], 9);
++ x[9] ^= ROTATE( x[8]+x[11],13);
++ x[10] ^= ROTATE( x[9]+ x[8],18);
++ x[12] ^= ROTATE(x[15]+x[14], 7);
++ x[13] ^= ROTATE(x[12]+x[15], 9);
++ x[14] ^= ROTATE(x[13]+x[12],13);
++ x[15] ^= ROTATE(x[14]+x[13],18);
++ }
++}
++
++static void
++hsalsablock(uchar h[32], Salsastate *s)
++{++ u32int x[16];
++
++ x[0] = s->input[0];
++ x[1] = s->input[1];
++ x[2] = s->input[2];
++ x[3] = s->input[3];
++ x[4] = s->input[4];
++ x[5] = s->input[5];
++ x[6] = s->input[6];
++ x[7] = s->input[7];
++ x[8] = s->input[8];
++ x[9] = s->input[9];
++ x[10] = s->input[10];
++ x[11] = s->input[11];
++ x[12] = s->input[12];
++ x[13] = s->input[13];
++ x[14] = s->input[14];
++ x[15] = s->input[15];
++
++ dorounds(x, s->rounds);
++
++ PUT4(h+0*4, x[0]);
++ PUT4(h+1*4, x[5]);
++ PUT4(h+2*4, x[10]);
++ PUT4(h+3*4, x[15]);
++ PUT4(h+4*4, x[6]);
++ PUT4(h+5*4, x[7]);
++ PUT4(h+6*4, x[8]);
++ PUT4(h+7*4, x[9]);
++}
++
++void
++salsa_setiv(Salsastate *s, uchar *iv)
++{++ if(s->ivwords == 128/32){++ /* hsalsa with 128-bit iv */
++ load(&s->input[6], iv, 4);
++ return;
++ }
++ if(s->ivwords == 192/32){++ /* xsalsa with 192-bit iv */
++ u32int counter[2];
++ uchar h[32];
++
++ counter[0] = s->input[8];
++ counter[1] = s->input[9];
++
++ s->input[1] = s->xkey[0];
++ s->input[2] = s->xkey[1];
++ s->input[3] = s->xkey[2];
++ s->input[4] = s->xkey[3];
++ s->input[11] = s->xkey[4];
++ s->input[12] = s->xkey[5];
++ s->input[13] = s->xkey[6];
++ s->input[14] = s->xkey[7];
++
++ load(&s->input[6], iv, 4);
++
++ hsalsablock(h, s);
++ load(&s->input[1], h+16*0, 4);
++ load(&s->input[11], h+16*1, 4);
++ memset(h, 0, 32);
++
++ s->input[8] = counter[0];
++ s->input[9] = counter[1];
++
++ iv += 16;
++ }
++ /* 64-bit iv */
++ load(&s->input[6], iv, 2);
++}
++
++void
++salsa_setblock(Salsastate *s, u64int blockno)
++{++ s->input[8] = blockno;
++ s->input[9] = blockno>>32;
++}
++
++static void
++encryptblock(Salsastate *s, uchar *src, uchar *dst)
++{++ u32int x[16];
++ int i;
++
++ x[0] = s->input[0];
++ x[1] = s->input[1];
++ x[2] = s->input[2];
++ x[3] = s->input[3];
++ x[4] = s->input[4];
++ x[5] = s->input[5];
++ x[6] = s->input[6];
++ x[7] = s->input[7];
++ x[8] = s->input[8];
++ x[9] = s->input[9];
++ x[10] = s->input[10];
++ x[11] = s->input[11];
++ x[12] = s->input[12];
++ x[13] = s->input[13];
++ x[14] = s->input[14];
++ x[15] = s->input[15];
++
++ dorounds(x, s->rounds);
++
++ for(i=0; i<nelem(x); i+=4){++ ENCRYPT(src, x[i], s->input[i], dst);
++ ENCRYPT(src+4, x[i+1], s->input[i+1], dst+4);
++ ENCRYPT(src+8, x[i+2], s->input[i+2], dst+8);
++ ENCRYPT(src+12, x[i+3], s->input[i+3], dst+12);
++ src += 16;
++ dst += 16;
++ }
++
++ if(++s->input[8] == 0)
++ s->input[9]++;
++}
++
++void
++salsa_encrypt2(uchar *src, uchar *dst, ulong bytes, Salsastate *s)
++{++ uchar tmp[SalsaBsize];
++
++ for(; bytes >= SalsaBsize; bytes -= SalsaBsize){++ encryptblock(s, src, dst);
++ src += SalsaBsize;
++ dst += SalsaBsize;
++ }
++ if(bytes > 0){++ memmove(tmp, src, bytes);
++ encryptblock(s, tmp, tmp);
++ memmove(dst, tmp, bytes);
++ }
++}
++
++void
++salsa_encrypt(uchar *buf, ulong bytes, Salsastate *s)
++{++ salsa_encrypt2(buf, buf, bytes, s);
++}
++
++void
++salsa_core(u32int in[16], u32int out[16], int rounds)
++{++ u32int x[16];
++
++ x[0] = in[0];
++ x[1] = in[1];
++ x[2] = in[2];
++ x[3] = in[3];
++ x[4] = in[4];
++ x[5] = in[5];
++ x[6] = in[6];
++ x[7] = in[7];
++ x[8] = in[8];
++ x[9] = in[9];
++ x[10] = in[10];
++ x[11] = in[11];
++ x[12] = in[12];
++ x[13] = in[13];
++ x[14] = in[14];
++ x[15] = in[15];
++
++ dorounds(x, rounds);
++
++ out[0] = x[0] + in[0];
++ out[1] = x[1] + in[1];
++ out[2] = x[2] + in[2];
++ out[3] = x[3] + in[3];
++ out[4] = x[4] + in[4];
++ out[5] = x[5] + in[5];
++ out[6] = x[6] + in[6];
++ out[7] = x[7] + in[7];
++ out[8] = x[8] + in[8];
++ out[9] = x[9] + in[9];
++ out[10] = x[10] + in[10];
++ out[11] = x[11] + in[11];
++ out[12] = x[12] + in[12];
++ out[13] = x[13] + in[13];
++ out[14] = x[14] + in[14];
++ out[15] = x[15] + in[15];
++}
++
++void
++hsalsa(uchar h[32], uchar *key, ulong keylen, uchar nonce[16], int rounds)
++{++ Salsastate s[1];
++
++ setupSalsastate(s, key, keylen, nonce, 16, rounds);
++ hsalsablock(h, s);
++ memset(s, 0, sizeof(s));
++}
+--- /dev/null Mon Jun 28 00:12:24 2021
++++ /sys/src/libsec/port/scrypt.c Sat Jun 26 21:21:42 2021
+@@ -0,0 +1,121 @@
++#include <u.h>
++#include <libc.h>
++#include <mp.h>
++#include <libsec.h>
++
++#define movw(w, S, D) memmove(D, S, (w)*4)
++
++static void
++xorw(ulong w, u32int *S, u32int *D)
++{++ for(w /= 8; w; w--, D += 8, S += 8){++ D[0] ^= S[0];
++ D[1] ^= S[1];
++ D[2] ^= S[2];
++ D[3] ^= S[3];
++ D[4] ^= S[4];
++ D[5] ^= S[5];
++ D[6] ^= S[6];
++ D[7] ^= S[7];
++ }
++}
++
++static void
++scryptBlockMix(ulong R, u32int *B, u32int *Y)
++{++ u32int X[16];
++ ulong i;
++
++ R *= 2;
++ movw(16, &B[(R-1)*16], X);
++ for(i = 0; i < R; i += 2){++ xorw(16, &B[i*16], X);
++ salsa_core(X, X, 8);
++ movw(16, X, &Y[i*8]);
++
++ xorw(16, &B[(i+1)*16], X);
++ salsa_core(X, X, 8);
++ movw(16, X, &Y[i*8 + R*8]);
++ }
++}
++
++static void
++scryptROMix(ulong R, ulong N, u32int *V, u32int *X, uchar *B)
++{++ ulong w, i, d;
++ u32int *Y;
++
++ w = R*32;
++ for(i=0; i<w; i++, B+=4)
++ X[i] = B[0] | (B[1]<<8) | (B[2]<<16) | (B[3]<<24);
++
++ Y = &X[w];
++ for(i=0; i<N; i += 2){++ movw(w, X, &V[i*w]);
++ scryptBlockMix(R, X, Y);
++
++ movw(w, Y, &V[(i+1)*w]);
++ scryptBlockMix(R, Y, X);
++ }
++ for(i=0; i<N; i += 2){++ xorw(w, &V[(X[w-16] & (N-1))*w], X);
++ scryptBlockMix(R, X, Y);
++
++ xorw(w, &V[(Y[w-16] & (N-1))*w], Y);
++ scryptBlockMix(R, Y, X);
++ }
++
++ B -= w*4;
++ for(i=0; i<w; i++, B+=4)
++ d = X[i], B[0]=d, B[1]=d>>8, B[2]=d>>16, B[3]=d>>24;
++}
++
++char*
++scrypt(p, plen, s, slen, N, R, P, d, dlen)
++ ulong plen, slen, dlen, N, R, P;
++ uchar *p, *s, *d;
++{++ static char oom[] = "out of memory";
++
++ ulong rb, i;
++ u32int *V, *X;
++ uchar *B;
++
++ if(P < 1)
++ return "invalid parallelization parameter P";
++ if(R < 1 || R >= (1UL<<(31-7))/P)
++ return "invalid block size parameter R";
++ if(N < 2 || (N & (N-1)) != 0 || N >= (1UL<<(31-7))/R)
++ return "invalid cpu/memory cost parameter N";
++
++ rb = R<<7;
++ if((B = malloc(P*rb)) == nil)
++ return oom;
++ if((V = malloc(N*rb)) == nil){++ free(B);
++ return oom;
++ }
++ if((X = malloc(2*rb)) == nil){++ free(V);
++ free(B);
++ return oom;
++ }
++
++ pbkdf2_x(p, plen, s, slen, 1, B, P*rb, hmac_sha2_256, SHA2_256dlen);
++
++ for(i=0; i<P; i++)
++ scryptROMix(R, N, V, X, &B[i*rb]);
++
++ memset(X, 0, 2*rb);
++ free(X);
++
++ memset(V, 0, N*rb);
++ free(V);
++
++ pbkdf2_x(p, plen, B, P*rb, 1, d, dlen, hmac_sha2_256, SHA2_256dlen);
++
++ memset(B, 0, P*rb);
++ free(B);
++
++ return nil;
++}
+--- /dev/null Mon Jun 28 00:12:24 2021
++++ /sys/src/libsec/port/secp256k1.c Wed Jun 30 17:06:13 2021
+@@ -0,0 +1,17 @@
++#include "os.h"
++#include <mp.h>
++
++/* E: y² = x³ + ax + b */
++
++void
++secp256k1(mpint *p, mpint *a, mpint *b, mpint *x, mpint *y, mpint *n, mpint *h)
++{++ /* p = 2^256 - 2^32 - 2^9 - 2^8 - 2^7 - 2^6 - 2^4 - 1 */
++ strtomp("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFC2F", nil, 16, p);++ mpassign(mpzero, a);
++ uitomp(7UL, b);
++ strtomp("79BE667EF9DCBBAC55A06295CE870B07029BFCDB2DCE28D959F2815B16F81798", nil, 16, x);++ strtomp("483ADA7726A3C4655DA4FBFC0E1108A8FD17B448A68554199C47D08FFB10D4B8", nil, 16, y);++ strtomp("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141", nil, 16, n);++ mpassign(mpone, h);
++}
+--- /dev/null Mon Jun 28 00:12:24 2021
++++ /sys/src/libsec/port/secp256r1.c Wed Jun 30 17:03:27 2021
+@@ -0,0 +1,18 @@
++#include "os.h"
++#include <mp.h>
++
++/* E: y² = x³ + ax + b */
++
++void
++secp256r1(mpint *p, mpint *a, mpint *b, mpint *x, mpint *y, mpint *n, mpint *h)
++{++ /* p = 2^256 - 2^224 + 2^192 + 2^96 - 1 */
++ strtomp("FFFFFFFF00000001000000000000000000000000FFFFFFFFFFFFFFFFFFFFFFFF", nil, 16, p);++ uitomp(3UL, a);
++ mpsub(p, a, a);
++ strtomp("5AC635D8AA3A93E7B3EBBD55769886BC651D06B0CC53B0F63BCE3C3E27D2604B", nil, 16, b);++ strtomp("6B17D1F2E12C4247F8BCE6E563A440F277037D812DEB33A0F4A13945D898C296", nil, 16, x);++ strtomp("4FE342E2FE1A7F9B8EE7EB4A7C0F9E162BCE33576B315ECECBB6406837BF51F5", nil, 16, y);++ strtomp("FFFFFFFF00000000FFFFFFFFFFFFFFFFBCE6FAADA7179E84F3B9CAC2FC632551", nil, 16, n);++ mpassign(mpone, h);
++}
+--- /dev/null Mon Jun 28 00:12:24 2021
++++ /sys/src/libsec/port/secp384r1.c Wed Jun 30 17:08:30 2021
+@@ -0,0 +1,17 @@
++#include "os.h"
++#include <mp.h>
++
++/* E: y² = x³ + ax + b */
++
++void
++secp384r1(mpint *p, mpint *a, mpint *b, mpint *x, mpint *y, mpint *n, mpint *h){++ /* p = 2^384 - 2^128 - 2^96 + 2^32 - 1 */
++ strtomp("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFF0000000000000000FFFFFFFF", nil, 16, p);++ uitomp(3UL, a);
++ mpsub(p, a, a);
++ strtomp("B3312FA7E23EE7E4988E056BE3F82D19181D9C6EFE8141120314088F5013875AC656398D8A2ED19D2A85C8EDD3EC2AEF", nil, 16, b);++ strtomp("AA87CA22BE8B05378EB1C71EF320AD746E1D3B628BA79B9859F741E082542A385502F25DBF55296C3A545E3872760AB7", nil, 16, x);++ strtomp("3617DE4A96262C6F5D9E98BF9292DC29F8F41DBD289A147CE9DA3113B5F0B8C00A60B1CE1D7E819D7A431D7C90EA0E5F", nil, 16, y);++ strtomp("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFC7634D81F4372DDF581A0DB248B0A77AECEC196ACCC52973", nil, 16, n);++ mpassign(mpone, h);
++}
+--- sys/src/libsec/port/sha1.c Tue Aug 28 20:13:46 2007
++++ /sys/src/libsec/port/sha1.c Sat Jun 26 21:21:42 2021
+@@ -1,4 +1,6 @@
+-#include "os.h"
++#include <u.h>
++#include <libc.h>
++#include <mp.h>
+ #include <libsec.h>
+
+ static void encode(uchar*, u32int*, ulong);
+--- sys/src/libsec/port/sha1block.c Fri Mar 1 21:13:00 2002
++++ /sys/src/libsec/port/sha1block.c Sat Jun 26 21:21:42 2021
+@@ -1,12 +1,18 @@
+-#include "os.h"
++#include <u.h>
++#include <libc.h>
++
++#define ROTL(x,n) (((x)<<n)|((x)>>32-n))
++
++#define F0(x,y,z) (0x5a827999 + ((z) ^ ((x) & ((y) ^ (z)))))
++#define F1(x,y,z) (0x6ed9eba1 + ((x) ^ (y) ^ (z)))
++#define F2(x,y,z) (0x8f1bbcdc + (((x) & (y)) | (((x) | (y)) & (z))))
++#define F3(x,y,z) (0xca62c1d6 + ((x) ^ (y) ^ (z)))
+
+ void
+ _sha1block(uchar *p, ulong len, u32int *s)
+ {+- u32int a, b, c, d, e, x;
++ u32int w[16], a, b, c, d, e;
+ uchar *end;
+- u32int *wp, *wend;
+- u32int w[80];
+
+ /* at this point, we have a multiple of 64 bytes */
+ for(end = p+len; p < end;){+@@ -16,168 +22,113 @@
+ d = s[3];
+ e = s[4];
+
+- wend = w + 15;
+- for(wp = w; wp < wend; wp += 5){+- wp[0] = (p[0]<<24) | (p[1]<<16) | (p[2]<<8) | p[3];
+- e += ((a<<5) | (a>>27)) + wp[0];
+- e += 0x5a827999 + (((c^d)&b)^d);
+- b = (b<<30)|(b>>2);
+-
+- wp[1] = (p[4]<<24) | (p[5]<<16) | (p[6]<<8) | p[7];
+- d += ((e<<5) | (e>>27)) + wp[1];
+- d += 0x5a827999 + (((b^c)&a)^c);
+- a = (a<<30)|(a>>2);
+-
+- wp[2] = (p[8]<<24) | (p[9]<<16) | (p[10]<<8) | p[11];
+- c += ((d<<5) | (d>>27)) + wp[2];
+- c += 0x5a827999 + (((a^b)&e)^b);
+- e = (e<<30)|(e>>2);
+-
+- wp[3] = (p[12]<<24) | (p[13]<<16) | (p[14]<<8) | p[15];
+- b += ((c<<5) | (c>>27)) + wp[3];
+- b += 0x5a827999 + (((e^a)&d)^a);
+- d = (d<<30)|(d>>2);
+-
+- wp[4] = (p[16]<<24) | (p[17]<<16) | (p[18]<<8) | p[19];
+- a += ((b<<5) | (b>>27)) + wp[4];
+- a += 0x5a827999 + (((d^e)&c)^e);
+- c = (c<<30)|(c>>2);
+-
+- p += 20;
+- }
+-
+- wp[0] = (p[0]<<24) | (p[1]<<16) | (p[2]<<8) | p[3];
+- e += ((a<<5) | (a>>27)) + wp[0];
+- e += 0x5a827999 + (((c^d)&b)^d);
+- b = (b<<30)|(b>>2);
+-
+- x = wp[-2] ^ wp[-7] ^ wp[-13] ^ wp[-15];
+- wp[1] = (x<<1) | (x>>31);
+- d += ((e<<5) | (e>>27)) + wp[1];
+- d += 0x5a827999 + (((b^c)&a)^c);
+- a = (a<<30)|(a>>2);
+-
+- x = wp[-1] ^ wp[-6] ^ wp[-12] ^ wp[-14];
+- wp[2] = (x<<1) | (x>>31);
+- c += ((d<<5) | (d>>27)) + wp[2];
+- c += 0x5a827999 + (((a^b)&e)^b);
+- e = (e<<30)|(e>>2);
+-
+- x = wp[0] ^ wp[-5] ^ wp[-11] ^ wp[-13];
+- wp[3] = (x<<1) | (x>>31);
+- b += ((c<<5) | (c>>27)) + wp[3];
+- b += 0x5a827999 + (((e^a)&d)^a);
+- d = (d<<30)|(d>>2);
+-
+- x = wp[1] ^ wp[-4] ^ wp[-10] ^ wp[-12];
+- wp[4] = (x<<1) | (x>>31);
+- a += ((b<<5) | (b>>27)) + wp[4];
+- a += 0x5a827999 + (((d^e)&c)^e);
+- c = (c<<30)|(c>>2);
+-
+- wp += 5;
+- p += 4;
+-
+- wend = w + 40;
+- for(; wp < wend; wp += 5){+- x = wp[-3] ^ wp[-8] ^ wp[-14] ^ wp[-16];
+- wp[0] = (x<<1) | (x>>31);
+- e += ((a<<5) | (a>>27)) + wp[0];
+- e += 0x6ed9eba1 + (b^c^d);
+- b = (b<<30)|(b>>2);
+-
+- x = wp[-2] ^ wp[-7] ^ wp[-13] ^ wp[-15];
+- wp[1] = (x<<1) | (x>>31);
+- d += ((e<<5) | (e>>27)) + wp[1];
+- d += 0x6ed9eba1 + (a^b^c);
+- a = (a<<30)|(a>>2);
+-
+- x = wp[-1] ^ wp[-6] ^ wp[-12] ^ wp[-14];
+- wp[2] = (x<<1) | (x>>31);
+- c += ((d<<5) | (d>>27)) + wp[2];
+- c += 0x6ed9eba1 + (e^a^b);
+- e = (e<<30)|(e>>2);
+-
+- x = wp[0] ^ wp[-5] ^ wp[-11] ^ wp[-13];
+- wp[3] = (x<<1) | (x>>31);
+- b += ((c<<5) | (c>>27)) + wp[3];
+- b += 0x6ed9eba1 + (d^e^a);
+- d = (d<<30)|(d>>2);
+-
+- x = wp[1] ^ wp[-4] ^ wp[-10] ^ wp[-12];
+- wp[4] = (x<<1) | (x>>31);
+- a += ((b<<5) | (b>>27)) + wp[4];
+- a += 0x6ed9eba1 + (c^d^e);
+- c = (c<<30)|(c>>2);
+- }
+-
+- wend = w + 60;
+- for(; wp < wend; wp += 5){+- x = wp[-3] ^ wp[-8] ^ wp[-14] ^ wp[-16];
+- wp[0] = (x<<1) | (x>>31);
+- e += ((a<<5) | (a>>27)) + wp[0];
+- e += 0x8f1bbcdc + ((b&c)|((b|c)&d));
+- b = (b<<30)|(b>>2);
+-
+- x = wp[-2] ^ wp[-7] ^ wp[-13] ^ wp[-15];
+- wp[1] = (x<<1) | (x>>31);
+- d += ((e<<5) | (e>>27)) + wp[1];
+- d += 0x8f1bbcdc + ((a&b)|((a|b)&c));
+- a = (a<<30)|(a>>2);
+-
+- x = wp[-1] ^ wp[-6] ^ wp[-12] ^ wp[-14];
+- wp[2] = (x<<1) | (x>>31);
+- c += ((d<<5) | (d>>27)) + wp[2];
+- c += 0x8f1bbcdc + ((e&a)|((e|a)&b));
+- e = (e<<30)|(e>>2);
+-
+- x = wp[0] ^ wp[-5] ^ wp[-11] ^ wp[-13];
+- wp[3] = (x<<1) | (x>>31);
+- b += ((c<<5) | (c>>27)) + wp[3];
+- b += 0x8f1bbcdc + ((d&e)|((d|e)&a));
+- d = (d<<30)|(d>>2);
+-
+- x = wp[1] ^ wp[-4] ^ wp[-10] ^ wp[-12];
+- wp[4] = (x<<1) | (x>>31);
+- a += ((b<<5) | (b>>27)) + wp[4];
+- a += 0x8f1bbcdc + ((c&d)|((c|d)&e));
+- c = (c<<30)|(c>>2);
+- }
+-
+- wend = w + 80;
+- for(; wp < wend; wp += 5){+- x = wp[-3] ^ wp[-8] ^ wp[-14] ^ wp[-16];
+- wp[0] = (x<<1) | (x>>31);
+- e += ((a<<5) | (a>>27)) + wp[0];
+- e += 0xca62c1d6 + (b^c^d);
+- b = (b<<30)|(b>>2);
+-
+- x = wp[-2] ^ wp[-7] ^ wp[-13] ^ wp[-15];
+- wp[1] = (x<<1) | (x>>31);
+- d += ((e<<5) | (e>>27)) + wp[1];
+- d += 0xca62c1d6 + (a^b^c);
+- a = (a<<30)|(a>>2);
+-
+- x = wp[-1] ^ wp[-6] ^ wp[-12] ^ wp[-14];
+- wp[2] = (x<<1) | (x>>31);
+- c += ((d<<5) | (d>>27)) + wp[2];
+- c += 0xca62c1d6 + (e^a^b);
+- e = (e<<30)|(e>>2);
+-
+- x = wp[0] ^ wp[-5] ^ wp[-11] ^ wp[-13];
+- wp[3] = (x<<1) | (x>>31);
+- b += ((c<<5) | (c>>27)) + wp[3];
+- b += 0xca62c1d6 + (d^e^a);
+- d = (d<<30)|(d>>2);
+-
+- x = wp[1] ^ wp[-4] ^ wp[-10] ^ wp[-12];
+- wp[4] = (x<<1) | (x>>31);
+- a += ((b<<5) | (b>>27)) + wp[4];
+- a += 0xca62c1d6 + (c^d^e);
+- c = (c<<30)|(c>>2);
+- }
++#define STEP(a,b,c,d,e,f,i) \
++ if(i < 16) {\++ w[i] = p[0]<<24 | p[1]<<16 | p[2]<<8 | p[3]; \
++ p += 4; \
++ } else { \++ u32int x = w[i-3&15] ^ w[i-8&15] ^ w[i-14&15] ^ w[i-16&15]; \
++ w[i&15] = ROTL(x, 1); \
++ } \
++ e += ROTL(a, 5) + w[i&15] + f(b,c,d); \
++ b = ROTL(b, 30);
++
++ STEP(a,b,c,d,e,F0,0);
++ STEP(e,a,b,c,d,F0,1);
++ STEP(d,e,a,b,c,F0,2);
++ STEP(c,d,e,a,b,F0,3);
++ STEP(b,c,d,e,a,F0,4);
++
++ STEP(a,b,c,d,e,F0,5);
++ STEP(e,a,b,c,d,F0,6);
++ STEP(d,e,a,b,c,F0,7);
++ STEP(c,d,e,a,b,F0,8);
++ STEP(b,c,d,e,a,F0,9);
++
++ STEP(a,b,c,d,e,F0,10);
++ STEP(e,a,b,c,d,F0,11);
++ STEP(d,e,a,b,c,F0,12);
++ STEP(c,d,e,a,b,F0,13);
++ STEP(b,c,d,e,a,F0,14);
++
++ STEP(a,b,c,d,e,F0,15);
++ STEP(e,a,b,c,d,F0,16);
++ STEP(d,e,a,b,c,F0,17);
++ STEP(c,d,e,a,b,F0,18);
++ STEP(b,c,d,e,a,F0,19);
++
++ STEP(a,b,c,d,e,F1,20);
++ STEP(e,a,b,c,d,F1,21);
++ STEP(d,e,a,b,c,F1,22);
++ STEP(c,d,e,a,b,F1,23);
++ STEP(b,c,d,e,a,F1,24);
++
++ STEP(a,b,c,d,e,F1,25);
++ STEP(e,a,b,c,d,F1,26);
++ STEP(d,e,a,b,c,F1,27);
++ STEP(c,d,e,a,b,F1,28);
++ STEP(b,c,d,e,a,F1,29);
++
++ STEP(a,b,c,d,e,F1,30);
++ STEP(e,a,b,c,d,F1,31);
++ STEP(d,e,a,b,c,F1,32);
++ STEP(c,d,e,a,b,F1,33);
++ STEP(b,c,d,e,a,F1,34);
++
++ STEP(a,b,c,d,e,F1,35);
++ STEP(e,a,b,c,d,F1,36);
++ STEP(d,e,a,b,c,F1,37);
++ STEP(c,d,e,a,b,F1,38);
++ STEP(b,c,d,e,a,F1,39);
++
++ STEP(a,b,c,d,e,F2,40);
++ STEP(e,a,b,c,d,F2,41);
++ STEP(d,e,a,b,c,F2,42);
++ STEP(c,d,e,a,b,F2,43);
++ STEP(b,c,d,e,a,F2,44);
++
++ STEP(a,b,c,d,e,F2,45);
++ STEP(e,a,b,c,d,F2,46);
++ STEP(d,e,a,b,c,F2,47);
++ STEP(c,d,e,a,b,F2,48);
++ STEP(b,c,d,e,a,F2,49);
++
++ STEP(a,b,c,d,e,F2,50);
++ STEP(e,a,b,c,d,F2,51);
++ STEP(d,e,a,b,c,F2,52);
++ STEP(c,d,e,a,b,F2,53);
++ STEP(b,c,d,e,a,F2,54);
++
++ STEP(a,b,c,d,e,F2,55);
++ STEP(e,a,b,c,d,F2,56);
++ STEP(d,e,a,b,c,F2,57);
++ STEP(c,d,e,a,b,F2,58);
++ STEP(b,c,d,e,a,F2,59);
++
++ STEP(a,b,c,d,e,F3,60);
++ STEP(e,a,b,c,d,F3,61);
++ STEP(d,e,a,b,c,F3,62);
++ STEP(c,d,e,a,b,F3,63);
++ STEP(b,c,d,e,a,F3,64);
++
++ STEP(a,b,c,d,e,F3,65);
++ STEP(e,a,b,c,d,F3,66);
++ STEP(d,e,a,b,c,F3,67);
++ STEP(c,d,e,a,b,F3,68);
++ STEP(b,c,d,e,a,F3,69);
++
++ STEP(a,b,c,d,e,F3,70);
++ STEP(e,a,b,c,d,F3,71);
++ STEP(d,e,a,b,c,F3,72);
++ STEP(c,d,e,a,b,F3,73);
++ STEP(b,c,d,e,a,F3,74);
++
++ STEP(a,b,c,d,e,F3,75);
++ STEP(e,a,b,c,d,F3,76);
++ STEP(d,e,a,b,c,F3,77);
++ STEP(c,d,e,a,b,F3,78);
++ STEP(b,c,d,e,a,F3,79);
+
+- /* save state */
+ s[0] += a;
+ s[1] += b;
+ s[2] += c;
+--- sys/src/libsec/port/sha2block128.c Fri Mar 26 21:15:52 2010
++++ /sys/src/libsec/port/sha2block128.c Sat Jun 26 21:21:42 2021
+@@ -1,21 +1,21 @@
+ /*
+- * sha2_512 block cipher
++ * sha2_512 block cipher - unrolled version
+ *
+- * Implementation straight from Federal Information Processing Standards
+- * publication 180-2 (+Change Notice to include SHA-224) August 1, 2002
+ * note: the following upper and lower case macro names are distinct
+ * and reflect the functions defined in FIPS pub. 180-2.
+ */
++
+ #include <u.h>
+ #include <libc.h>
++#include <mp.h>
+
+ #define ROTR(x,n) (((x) >> (n)) | ((x) << (64-(n))))
+ #define sigma0(x) (ROTR((x),1) ^ ROTR((x),8) ^ ((x) >> 7))
+ #define sigma1(x) (ROTR((x),19) ^ ROTR((x),61) ^ ((x) >> 6))
+ #define SIGMA0(x) (ROTR((x),28) ^ ROTR((x),34) ^ ROTR((x),39))
+ #define SIGMA1(x) (ROTR((x),14) ^ ROTR((x),18) ^ ROTR((x),41))
+-#define Ch(x,y,z) (((x) & (y)) ^ ((~(x)) & (z)))
+-#define Maj(x,y,z) (((x) & (y)) ^ ((x) & (z)) ^ ((y) & (z)))
++#define Ch(x,y,z) ((z) ^ ((x) & ((y) ^ (z))))
++#define Maj(x,y,z) (((x) | (y)) & ((z) | ((x) & (y))))
+
+ /*
+ * first 64 bits of the fractional parts of cube roots of
+@@ -41,14 +41,13 @@
+ 0xca273eceea26619cLL, 0xd186b8c721c0c207LL, 0xeada7dd6cde0eb1eLL, 0xf57d4f7fee6ed178LL,
+ 0x06f067aa72176fbaLL, 0x0a637dc5a2c898a6LL, 0x113f9804bef90daeLL, 0x1b710b35131c471bLL,
+ 0x28db77f523047d84LL, 0x32caab7b40c72493LL, 0x3c9ebe0a15c9bebcLL, 0x431d67c49c100d4cLL,
+- 0x4cc5d4becb3e42b6LL, 0x597f299cfc657e2aLL, 0x5fcb6fab3ad6faecLL, 0x6c44198c4a475817LL };
++ 0x4cc5d4becb3e42b6LL, 0x597f299cfc657e2aLL, 0x5fcb6fab3ad6faecLL, 0x6c44198c4a475817LL
++};
+
+ void
+ _sha2block128(uchar *p, ulong len, u64int *s)
+ {+- u64int a, b, c, d, e, f, g, h, t1, t2;
+- u64int *kp, *wp;
+- u64int w[80];
++ u64int w[16], a, b, c, d, e, f, g, h;
+ uchar *end;
+
+ /* at this point, we have a multiple of 64 bytes */
+@@ -62,33 +61,111 @@
+ g = s[6];
+ h = s[7];
+
+- for(wp = w; wp < &w[16]; wp++, p += 8)
+- wp[0] = ((vlong)p[0])<<56 | ((vlong)p[1])<<48 |
+- ((vlong)p[2])<<40 | ((vlong)p[3])<<32 |
+- p[4] << 24 | p[5] << 16 | p[6] << 8 | p[7];
+- for(; wp < &w[80]; wp++) {+- u64int s0, s1;
+-
+- s0 = sigma0(wp[-15]);
+- s1 = sigma1(wp[-2]);
+-// wp[0] = sigma1(wp[-2]) + wp[-7] + sigma0(wp[-15]) + wp[-16];
+- wp[0] = s1 + wp[-7] + s0 + wp[-16];
+- }
+-
+- for(kp = K512, wp = w; wp < &w[80]; ) {+- t1 = h + SIGMA1(e) + Ch(e,f,g) + *kp++ + *wp++;
+- t2 = SIGMA0(a) + Maj(a,b,c);
+- h = g;
+- g = f;
+- f = e;
+- e = d + t1;
+- d = c;
+- c = b;
+- b = a;
+- a = t1 + t2;
+- }
++#define STEP(a,b,c,d,e,f,g,h,i) \
++ if(i < 16) { \++ w[i] = (u64int)(p[0]<<24 | p[1]<<16 | p[2]<<8 | p[3])<<32 | \
++ (p[4]<<24 | p[5]<<16 | p[6]<<8 | p[7]); \
++ p += 8; \
++ } else { \++ u64int s0, s1; \
++ s1 = sigma1(w[i-2&15]); \
++ s0 = sigma0(w[i-15&15]); \
++ w[i&15] += s1 + w[i-7&15] + s0; \
++ } \
++ h += SIGMA1(e) + Ch(e,f,g) + K512[i] + w[i&15]; \
++ d += h; \
++ h += SIGMA0(a) + Maj(a,b,c);
++
++ STEP(a,b,c,d,e,f,g,h,0);
++ STEP(h,a,b,c,d,e,f,g,1);
++ STEP(g,h,a,b,c,d,e,f,2);
++ STEP(f,g,h,a,b,c,d,e,3);
++ STEP(e,f,g,h,a,b,c,d,4);
++ STEP(d,e,f,g,h,a,b,c,5);
++ STEP(c,d,e,f,g,h,a,b,6);
++ STEP(b,c,d,e,f,g,h,a,7);
++
++ STEP(a,b,c,d,e,f,g,h,8);
++ STEP(h,a,b,c,d,e,f,g,9);
++ STEP(g,h,a,b,c,d,e,f,10);
++ STEP(f,g,h,a,b,c,d,e,11);
++ STEP(e,f,g,h,a,b,c,d,12);
++ STEP(d,e,f,g,h,a,b,c,13);
++ STEP(c,d,e,f,g,h,a,b,14);
++ STEP(b,c,d,e,f,g,h,a,15);
++
++ STEP(a,b,c,d,e,f,g,h,16);
++ STEP(h,a,b,c,d,e,f,g,17);
++ STEP(g,h,a,b,c,d,e,f,18);
++ STEP(f,g,h,a,b,c,d,e,19);
++ STEP(e,f,g,h,a,b,c,d,20);
++ STEP(d,e,f,g,h,a,b,c,21);
++ STEP(c,d,e,f,g,h,a,b,22);
++ STEP(b,c,d,e,f,g,h,a,23);
++
++ STEP(a,b,c,d,e,f,g,h,24);
++ STEP(h,a,b,c,d,e,f,g,25);
++ STEP(g,h,a,b,c,d,e,f,26);
++ STEP(f,g,h,a,b,c,d,e,27);
++ STEP(e,f,g,h,a,b,c,d,28);
++ STEP(d,e,f,g,h,a,b,c,29);
++ STEP(c,d,e,f,g,h,a,b,30);
++ STEP(b,c,d,e,f,g,h,a,31);
++
++ STEP(a,b,c,d,e,f,g,h,32);
++ STEP(h,a,b,c,d,e,f,g,33);
++ STEP(g,h,a,b,c,d,e,f,34);
++ STEP(f,g,h,a,b,c,d,e,35);
++ STEP(e,f,g,h,a,b,c,d,36);
++ STEP(d,e,f,g,h,a,b,c,37);
++ STEP(c,d,e,f,g,h,a,b,38);
++ STEP(b,c,d,e,f,g,h,a,39);
++
++ STEP(a,b,c,d,e,f,g,h,40);
++ STEP(h,a,b,c,d,e,f,g,41);
++ STEP(g,h,a,b,c,d,e,f,42);
++ STEP(f,g,h,a,b,c,d,e,43);
++ STEP(e,f,g,h,a,b,c,d,44);
++ STEP(d,e,f,g,h,a,b,c,45);
++ STEP(c,d,e,f,g,h,a,b,46);
++ STEP(b,c,d,e,f,g,h,a,47);
++
++ STEP(a,b,c,d,e,f,g,h,48);
++ STEP(h,a,b,c,d,e,f,g,49);
++ STEP(g,h,a,b,c,d,e,f,50);
++ STEP(f,g,h,a,b,c,d,e,51);
++ STEP(e,f,g,h,a,b,c,d,52);
++ STEP(d,e,f,g,h,a,b,c,53);
++ STEP(c,d,e,f,g,h,a,b,54);
++ STEP(b,c,d,e,f,g,h,a,55);
++
++ STEP(a,b,c,d,e,f,g,h,56);
++ STEP(h,a,b,c,d,e,f,g,57);
++ STEP(g,h,a,b,c,d,e,f,58);
++ STEP(f,g,h,a,b,c,d,e,59);
++ STEP(e,f,g,h,a,b,c,d,60);
++ STEP(d,e,f,g,h,a,b,c,61);
++ STEP(c,d,e,f,g,h,a,b,62);
++ STEP(b,c,d,e,f,g,h,a,63);
++
++ STEP(a,b,c,d,e,f,g,h,64);
++ STEP(h,a,b,c,d,e,f,g,65);
++ STEP(g,h,a,b,c,d,e,f,66);
++ STEP(f,g,h,a,b,c,d,e,67);
++ STEP(e,f,g,h,a,b,c,d,68);
++ STEP(d,e,f,g,h,a,b,c,69);
++ STEP(c,d,e,f,g,h,a,b,70);
++ STEP(b,c,d,e,f,g,h,a,71);
++
++ STEP(a,b,c,d,e,f,g,h,72);
++ STEP(h,a,b,c,d,e,f,g,73);
++ STEP(g,h,a,b,c,d,e,f,74);
++ STEP(f,g,h,a,b,c,d,e,75);
++ STEP(e,f,g,h,a,b,c,d,76);
++ STEP(d,e,f,g,h,a,b,c,77);
++ STEP(c,d,e,f,g,h,a,b,78);
++ STEP(b,c,d,e,f,g,h,a,79);
+
+- /* save state */
+ s[0] += a;
+ s[1] += b;
+ s[2] += c;
+--- sys/src/libsec/port/sha2block64.c Fri Mar 26 21:15:52 2010
++++ /sys/src/libsec/port/sha2block64.c Sat Jun 26 21:21:42 2021
+@@ -1,22 +1,21 @@
+ /*
+- * sha2_256 block cipher
++ * sha2_256 block cipher - unrolled version
+ *
+- * Implementation straight from Federal Information Processing Standards
+- * publication 180-2 (+Change Notice to include SHA-224) August 1, 2002
+ * note: the following upper and lower case macro names are distinct
+ * and reflect the functions defined in FIPS pub. 180-2.
+ */
+
+ #include <u.h>
+ #include <libc.h>
++#include <mp.h>
+
+ #define ROTR(x,n) (((x) >> (n)) | ((x) << (32-(n))))
+ #define sigma0(x) (ROTR((x),7) ^ ROTR((x),18) ^ ((x) >> 3))
+ #define sigma1(x) (ROTR((x),17) ^ ROTR((x),19) ^ ((x) >> 10))
+ #define SIGMA0(x) (ROTR((x),2) ^ ROTR((x),13) ^ ROTR((x),22))
+ #define SIGMA1(x) (ROTR((x),6) ^ ROTR((x),11) ^ ROTR((x),25))
+-#define Ch(x,y,z) (((x) & (y)) ^ ((~(x)) & (z)))
+-#define Maj(x,y,z) (((x) & (y)) ^ ((x) & (z)) ^ ((y) & (z)))
++#define Ch(x,y,z) ((z) ^ ((x) & ((y) ^ (z))))
++#define Maj(x,y,z) (((x) | (y)) & ((z) | ((x) & (y))))
+
+ /*
+ * first 32 bits of the fractional parts of cube roots of
+@@ -44,9 +43,7 @@
+ void
+ _sha2block64(uchar *p, ulong len, u32int *s)
+ {+- u32int a, b, c, d, e, f, g, h, t1, t2;
+- u32int *kp, *wp;
+- u32int w[64];
++ u32int w[16], a, b, c, d, e, f, g, h;
+ uchar *end;
+
+ /* at this point, we have a multiple of 64 bytes */
+@@ -60,26 +57,89 @@
+ g = s[6];
+ h = s[7];
+
+- for(wp = w; wp < &w[16]; wp++, p += 4)
+- wp[0] = p[0] << 24 | p[1] << 16 | p[2] << 8 | p[3];
+- for(; wp < &w[64]; wp++)
+- wp[0] = sigma1(wp[-2]) + wp[-7] +
+- sigma0(wp[-15]) + wp[-16];
+-
+- for(kp = K256, wp = w; wp < &w[64]; ) {+- t1 = h + SIGMA1(e) + Ch(e,f,g) + *kp++ + *wp++;
+- t2 = SIGMA0(a) + Maj(a,b,c);
+- h = g;
+- g = f;
+- f = e;
+- e = d + t1;
+- d = c;
+- c = b;
+- b = a;
+- a = t1 + t2;
+- }
++#define STEP(a,b,c,d,e,f,g,h,i) \
++ if(i < 16) {\++ w[i] = p[0]<<24 | p[1]<<16 | p[2]<<8 | p[3]; \
++ p += 4; \
++ } else { \++ w[i&15] += sigma1(w[i-2&15]) + w[i-7&15] + sigma0(w[i-15&15]); \
++ } \
++ h += SIGMA1(e) + Ch(e,f,g) + K256[i] + w[i&15]; \
++ d += h; \
++ h += SIGMA0(a) + Maj(a,b,c);
++
++ STEP(a,b,c,d,e,f,g,h,0);
++ STEP(h,a,b,c,d,e,f,g,1);
++ STEP(g,h,a,b,c,d,e,f,2);
++ STEP(f,g,h,a,b,c,d,e,3);
++ STEP(e,f,g,h,a,b,c,d,4);
++ STEP(d,e,f,g,h,a,b,c,5);
++ STEP(c,d,e,f,g,h,a,b,6);
++ STEP(b,c,d,e,f,g,h,a,7);
++
++ STEP(a,b,c,d,e,f,g,h,8);
++ STEP(h,a,b,c,d,e,f,g,9);
++ STEP(g,h,a,b,c,d,e,f,10);
++ STEP(f,g,h,a,b,c,d,e,11);
++ STEP(e,f,g,h,a,b,c,d,12);
++ STEP(d,e,f,g,h,a,b,c,13);
++ STEP(c,d,e,f,g,h,a,b,14);
++ STEP(b,c,d,e,f,g,h,a,15);
++
++ STEP(a,b,c,d,e,f,g,h,16);
++ STEP(h,a,b,c,d,e,f,g,17);
++ STEP(g,h,a,b,c,d,e,f,18);
++ STEP(f,g,h,a,b,c,d,e,19);
++ STEP(e,f,g,h,a,b,c,d,20);
++ STEP(d,e,f,g,h,a,b,c,21);
++ STEP(c,d,e,f,g,h,a,b,22);
++ STEP(b,c,d,e,f,g,h,a,23);
++
++ STEP(a,b,c,d,e,f,g,h,24);
++ STEP(h,a,b,c,d,e,f,g,25);
++ STEP(g,h,a,b,c,d,e,f,26);
++ STEP(f,g,h,a,b,c,d,e,27);
++ STEP(e,f,g,h,a,b,c,d,28);
++ STEP(d,e,f,g,h,a,b,c,29);
++ STEP(c,d,e,f,g,h,a,b,30);
++ STEP(b,c,d,e,f,g,h,a,31);
++
++ STEP(a,b,c,d,e,f,g,h,32);
++ STEP(h,a,b,c,d,e,f,g,33);
++ STEP(g,h,a,b,c,d,e,f,34);
++ STEP(f,g,h,a,b,c,d,e,35);
++ STEP(e,f,g,h,a,b,c,d,36);
++ STEP(d,e,f,g,h,a,b,c,37);
++ STEP(c,d,e,f,g,h,a,b,38);
++ STEP(b,c,d,e,f,g,h,a,39);
++
++ STEP(a,b,c,d,e,f,g,h,40);
++ STEP(h,a,b,c,d,e,f,g,41);
++ STEP(g,h,a,b,c,d,e,f,42);
++ STEP(f,g,h,a,b,c,d,e,43);
++ STEP(e,f,g,h,a,b,c,d,44);
++ STEP(d,e,f,g,h,a,b,c,45);
++ STEP(c,d,e,f,g,h,a,b,46);
++ STEP(b,c,d,e,f,g,h,a,47);
++
++ STEP(a,b,c,d,e,f,g,h,48);
++ STEP(h,a,b,c,d,e,f,g,49);
++ STEP(g,h,a,b,c,d,e,f,50);
++ STEP(f,g,h,a,b,c,d,e,51);
++ STEP(e,f,g,h,a,b,c,d,52);
++ STEP(d,e,f,g,h,a,b,c,53);
++ STEP(c,d,e,f,g,h,a,b,54);
++ STEP(b,c,d,e,f,g,h,a,55);
++
++ STEP(a,b,c,d,e,f,g,h,56);
++ STEP(h,a,b,c,d,e,f,g,57);
++ STEP(g,h,a,b,c,d,e,f,58);
++ STEP(f,g,h,a,b,c,d,e,59);
++ STEP(e,f,g,h,a,b,c,d,60);
++ STEP(d,e,f,g,h,a,b,c,61);
++ STEP(c,d,e,f,g,h,a,b,62);
++ STEP(b,c,d,e,f,g,h,a,63);
+
+- /* save state */
+ s[0] += a;
+ s[1] += b;
+ s[2] += c;
+--- sys/src/libsec/port/smallprimes.c Fri Mar 16 03:42:05 2001
++++ /sys/src/libsec/port/smallprimes.c Sat Jun 26 21:21:42 2021
+@@ -1,4 +1,6 @@
+-#include "os.h"
++#include <u.h>
++#include <libc.h>
++#include <mp.h>
+
+ ulong smallprimes[1000] = {+ 2,
+--- sys/src/libsec/port/smallprimetest.c Fri Mar 16 03:42:05 2001
++++ /sys/src/libsec/port/smallprimetest.c Sat Jun 26 21:21:42 2021
+@@ -1,4 +1,5 @@
+-#include "os.h"
++#include <u.h>
++#include <libc.h>
+ #include <mp.h>
+ #include <libsec.h>
+
+--- sys/src/libsec/port/thumb.c Fri Apr 26 15:40:52 2002
++++ /sys/src/libsec/port/thumb.c Sat Jun 26 21:21:42 2021
+@@ -1,32 +1,26 @@
+ #include <u.h>
+ #include <libc.h>
+-#include <bio.h>
+-#include <auth.h>
+ #include <mp.h>
++#include <bio.h>
+ #include <libsec.h>
+
+ enum{ ThumbTab = 1<<10 };+
+-static void *
+-emalloc(int n)
++static Thumbprint*
++tablehead(uchar *hash, Thumbprint *table)
+ {+- void *p;
+- if(n==0)
+- n=1;
+- p = malloc(n);
+- if(p == nil){+- exits("out of memory");+- }
+- memset(p, 0, n);
+- return p;
++ return &table[((hash[0]<<8) + hash[1]) & (ThumbTab-1)];
+ }
+
+ void
+ freeThumbprints(Thumbprint *table)
+ {+ Thumbprint *hd, *p, *q;
++
++ if(table == nil)
++ return;
+ for(hd = table; hd < table+ThumbTab; hd++){+- for(p = hd->next; p; p = q){++ for(p = hd->next; p && p != hd; p = q){+ q = p->next;
+ free(p);
+ }
+@@ -35,63 +29,144 @@
+ }
+
+ int
+-okThumbprint(uchar *sum, Thumbprint *table)
++okThumbprint(uchar *hash, int len, Thumbprint *table)
+ {+- Thumbprint *p;
+- int i = ((sum[0]<<8) + sum[1]) & (ThumbTab-1);
++ Thumbprint *hd, *p;
+
+- for(p = table[i].next; p; p = p->next)
+- if(memcmp(sum, p->sha1, SHA1dlen) == 0)
++ if(table == nil)
++ return 0;
++ hd = tablehead(hash, table);
++ for(p = hd->next; p; p = p->next){++ if(p->len == len && memcmp(hash, p->hash, len) == 0)
+ return 1;
++ if(p == hd)
++ break;
++ }
+ return 0;
+ }
+
+-static void
+-loadThumbprints(char *file, Thumbprint *table, Thumbprint *crltab)
++int
++okCertificate(uchar *cert, int len, Thumbprint *table)
+ {+- Thumbprint *entry;
+- Biobuf *bin;
++ uchar hash[SHA2_256dlen];
++ char thumb[2*SHA2_256dlen+1];
++
++ if(table == nil){++ werrstr("no thumbprints provided");++ return 0;
++ }
++ if(cert == nil || len <= 0){++ werrstr("no certificate provided");++ return 0;
++ }
++
++ sha1(cert, len, hash, nil);
++ if(okThumbprint(hash, SHA1dlen, table))
++ return 1;
++
++ sha2_256(cert, len, hash, nil);
++ if(okThumbprint(hash, SHA2_256dlen, table))
++ return 1;
++
++ if(X509digestSPKI(cert, len, sha2_256, hash) < 0)
++ return 0;
++ if(okThumbprint(hash, SHA2_256dlen, table))
++ return 1;
++
++ len = enc64(thumb, sizeof(thumb), hash, SHA2_256dlen);
++ while(len > 0 && thumb[len-1] == '=')
++ len--;
++ thumb[len] = '\0';
++ werrstr("sha256=%s", thumb);++
++ return 0;
++}
++
++static int
++loadThumbprints(char *file, char *tag, Thumbprint *table, Thumbprint *crltab, int depth)
++{++ Thumbprint *hd, *entry;
+ char *line, *field[50];
+- uchar sum[SHA1dlen];
+- int i;
++ uchar hash[SHA2_256dlen];
++ Biobuf *bin;
++ int len, n;
+
+- bin = Bopen(file, OREAD);
+- if(bin == nil)
+- return;
+- for(; (line = Brdstr(bin, '\n', 1)) != 0; free(line)){++ if(depth > 8){++ werrstr("too many includes, last file %s", file);++ return -1;
++ }
++ if(access(file, AEXIST) < 0)
++ return 0; /* not an error */
++ if((bin = Bopen(file, OREAD|OCEXEC)) == nil)
++ return -1;
++ for(; (line = Brdstr(bin, '\n', 1)) != nil; free(line)){+ if(tokenize(line, field, nelem(field)) < 2)
+ continue;
+ if(strcmp(field[0], "#include") == 0){+- loadThumbprints(field[1], table, crltab);
++ if(loadThumbprints(field[1], tag, table, crltab, depth+1) < 0)
++ goto err;
+ continue;
+ }
+- if(strcmp(field[0], "x509") != 0 || strncmp(field[1], "sha1=", strlen("sha1=")) != 0)++ if(strcmp(field[0], tag) != 0)
++ continue;
++ if(strncmp(field[1], "sha1=", 5) == 0){++ field[1] += 5;
++ len = SHA1dlen;
++ } else if(strncmp(field[1], "sha256=", 7) == 0){++ field[1] += 7;
++ len = SHA2_256dlen;
++ } else {+ continue;
+- field[1] += strlen("sha1=");+- dec16(sum, sizeof(sum), field[1], strlen(field[1]));
+- if(crltab && okThumbprint(sum, crltab))
++ }
++ n = strlen(field[1]);
++ if((n != len*2 || dec16(hash, len, field[1], n) != len)
++ && dec64(hash, len, field[1], n) != len){++ werrstr("malformed %s entry in %s: %s", tag, file, field[1]);++ goto err;
++ }
++ if(crltab && okThumbprint(hash, len, crltab))
+ continue;
+- entry = (Thumbprint*)emalloc(sizeof(*entry));
+- memcpy(entry->sha1, sum, SHA1dlen);
+- i = ((sum[0]<<8) + sum[1]) & (ThumbTab-1);
+- entry->next = table[i].next;
+- table[i].next = entry;
++ hd = tablehead(hash, table);
++ if(hd->next == nil)
++ entry = hd;
++ else {++ if((entry = malloc(sizeof(*entry))) == nil)
++ goto err;
++ entry->next = hd->next;
++ }
++ hd->next = entry;
++ entry->len = len;
++ memcpy(entry->hash, hash, len);
+ }
+ Bterm(bin);
++ return 0;
++err:
++ free(line);
++ Bterm(bin);
++ return -1;
+ }
+
+ Thumbprint *
+-initThumbprints(char *ok, char *crl)
++initThumbprints(char *ok, char *crl, char *tag)
+ {+- Thumbprint *table, *crltab = nil;
++ Thumbprint *table, *crltab;
+
++ table = crltab = nil;
+ if(crl){+- crltab = emalloc(ThumbTab * sizeof(*table));
+- loadThumbprints(crl, crltab, nil);
++ if((crltab = malloc(ThumbTab * sizeof(*crltab))) == nil)
++ goto err;
++ memset(crltab, 0, ThumbTab * sizeof(*crltab));
++ if(loadThumbprints(crl, tag, crltab, nil, 0) < 0)
++ goto err;
++ }
++ if((table = malloc(ThumbTab * sizeof(*table))) == nil)
++ goto err;
++ memset(table, 0, ThumbTab * sizeof(*table));
++ if(loadThumbprints(ok, tag, table, crltab, 0) < 0){++ freeThumbprints(table);
++ table = nil;
+ }
+- table = emalloc(ThumbTab * sizeof(*table));
+- loadThumbprints(ok, table, crltab);
+- free(crltab);
++err:
++ freeThumbprints(crltab);
+ return table;
+ }
+-
+--- sys/src/libsec/port/tlshand.c Thu Jul 1 17:28:58 2021
++++ /sys/src/libsec/port/tlshand.c Sat Jun 26 21:21:42 2021
+@@ -1,6 +1,5 @@
+ #include <u.h>
+ #include <libc.h>
+-#include <bio.h>
+ #include <auth.h>
+ #include <mp.h>
+ #include <libsec.h>
+@@ -17,25 +16,22 @@
+ enum {+ TLSFinishedLen = 12,
+ SSL3FinishedLen = MD5dlen+SHA1dlen,
+- MaxKeyData = 136, // amount of secret we may need
+- MaxChunk = 1<<14,
++ MaxKeyData = 160, // amount of secret we may need
++ MAXdlen = SHA2_512dlen,
+ RandomSize = 32,
+- SidSize = 32,
+ MasterSecretSize = 48,
+ AQueue = 0,
+ AFlush = 1,
+ };
+
+-typedef struct TlsSec TlsSec;
+-
+ typedef struct Bytes{+ int len;
+- uchar data[1]; // [len]
++ uchar data[];
+ } Bytes;
+
+ typedef struct Ints{+ int len;
+- int data[1]; // [len]
++ int data[];
+ } Ints;
+
+ typedef struct Algs{+@@ -46,46 +42,65 @@
+ int ok;
+ } Algs;
+
++typedef struct Namedcurve{++ int tlsid;
++ void (*init)(mpint *p, mpint *a, mpint *b, mpint *x, mpint *y, mpint *n, mpint *h);
++} Namedcurve;
++
+ typedef struct Finished{+ uchar verify[SSL3FinishedLen];
+ int n;
+ } Finished;
+
+-typedef struct HandHash{++typedef struct HandshakeHash {+ MD5state md5;
+ SHAstate sha1;
+ SHA2_256state sha2_256;
+-} HandHash;
++} HandshakeHash;
++
++typedef struct TlsSec TlsSec;
++struct TlsSec {++ RSApub *rsapub;
++ AuthRpc *rpc; // factotum for rsa private key
++ uchar *psk; // pre-shared key
++ int psklen;
++ int clientVers; // version in ClientHello
++ uchar sec[MasterSecretSize]; // master secret
++ uchar crandom[RandomSize]; // client random
++ uchar srandom[RandomSize]; // server random
++
++ // diffie hellman state
++ DHstate dh;
++ struct {++ ECdomain dom;
++ ECpriv Q;
++ } ec;
++
++ // byte generation and handshake checksum
++ void (*prf)(uchar*, int, uchar*, int, char*, uchar*, int, uchar*, int);
++ void (*setFinished)(TlsSec*, HandshakeHash, uchar*, int);
++ int nfin;
++};
+
+ typedef struct TlsConnection{+- TlsSec *sec; // security management goo
++ TlsSec sec[1]; // security management goo
+ int hand, ctl; // record layer file descriptors
+ int erred; // set when tlsError called
+ int (*trace)(char*fmt, ...); // for debugging
+ int version; // protocol we are speaking
+- int verset; // version has been set
+- int ver2hi; // server got a version 2 hello
+- int isClient; // is this the client or server?
+- Bytes *sid; // SessionID
+- Bytes *cert; // only last - no chain
+-
+- Lock statelk;
+- int state; // must be set using setstate
+-
+- // input buffer for handshake messages
+- uchar buf[MaxChunk+8*1024];
+- uchar *rp, *ep;
++ Bytes *cert; // server certificate; only last - no chain
+
+- uchar crandom[RandomSize]; // client random
+- uchar srandom[RandomSize]; // server random
+- int clientVersion; // version in ClientHello
+- char *digest; // name of digest algorithm to use
+- char *enc; // name of encryption algorithm to use
++ int cipher;
+ int nsecret; // amount of secret data to init keys
++ char *digest; // name of digest algorithm to use
++ char *enc; // name of encryption algorithm to use
+
+ // for finished messages
+- HandHash hs; // handshake hash
++ HandshakeHash handhash;
+ Finished finished;
++
++ uchar *sendp;
++ uchar buf[1<<16];
+ } TlsConnection;
+
+ typedef struct Msg{+@@ -97,14 +112,15 @@
+ Bytes* sid;
+ Ints* ciphers;
+ Bytes* compressors;
+- Ints* sigAlgs;
++ Bytes* extensions;
+ } clientHello;
+ struct {+ int version;
+- uchar random[RandomSize];
++ uchar random[RandomSize];
+ Bytes* sid;
+- int cipher;
+- int compressor;
++ int cipher;
++ int compressor;
++ Bytes* extensions;
+ } serverHello;
+ struct {+ int ncert;
+@@ -112,40 +128,40 @@
+ } certificate;
+ struct {+ Bytes *types;
++ Ints *sigalgs;
+ int nca;
+ Bytes **cas;
+ } certificateRequest;
+ struct {++ Bytes *pskid;
+ Bytes *key;
+ } clientKeyExchange;
++ struct {++ Bytes *pskid;
++ Bytes *dh_p;
++ Bytes *dh_g;
++ Bytes *dh_Ys;
++ Bytes *dh_parameters;
++ Bytes *dh_signature;
++ int sigalg;
++ int curve;
++ } serverKeyExchange;
++ struct {++ int sigalg;
++ Bytes *signature;
++ } certificateVerify;
+ Finished finished;
+ } u;
+ } Msg;
+
+-typedef struct TlsSec{+- char *server; // name of remote; nil for server
+- int ok; // <0 killed; == 0 in progress; >0 reusable
+- RSApub *rsapub;
+- AuthRpc *rpc; // factotum for rsa private key
+- uchar sec[MasterSecretSize]; // master secret
+- uchar crandom[RandomSize]; // client random
+- uchar srandom[RandomSize]; // server random
+- int clientVers; // version in ClientHello
+- int vers; // final version
+- // byte generation and handshake checksum
+- void (*prf)(uchar*, int, uchar*, int, char*, uchar*, int, uchar*, int);
+- void (*setFinished)(TlsSec*, HandHash, uchar*, int);
+- int nfin;
+-} TlsSec;
+-
+
+ enum {+- SSL3Version = 0x0300,
+- TLS10Version = 0x0301,
+- TLS11Version = 0x0302,
+- TLS12Version = 0x0303,
+- ProtocolVersion = TLS12Version, // maximum version we speak
+- MinProtoVersion = 0x0300, // limits on version we accept
++ SSL3Version = 0x0300,
++ TLS10Version = 0x0301,
++ TLS11Version = 0x0302,
++ TLS12Version = 0x0303,
++ ProtocolVersion = TLS12Version, // maximum version we speak
++ MinProtoVersion = 0x0300, // limits on version we accept
+ MaxProtoVersion = 0x03ff,
+ };
+
+@@ -189,21 +205,23 @@
+ EProtocolVersion = 70,
+ EInsufficientSecurity = 71,
+ EInternalError = 80,
++ EInappropriateFallback = 86,
+ EUserCanceled = 90,
+ ENoRenegotiation = 100,
++ EUnknownPSKidentity = 115,
+ EMax = 256
+ };
+
+ // cipher suites
+ enum {+- TLS_NULL_WITH_NULL_NULL = 0x0000,
+- TLS_RSA_WITH_NULL_MD5 = 0x0001,
+- TLS_RSA_WITH_NULL_SHA = 0x0002,
+- TLS_RSA_EXPORT_WITH_RC4_40_MD5 = 0x0003,
+- TLS_RSA_WITH_RC4_128_MD5 = 0x0004,
+- TLS_RSA_WITH_RC4_128_SHA = 0x0005,
++ TLS_NULL_WITH_NULL_NULL = 0x0000,
++ TLS_RSA_WITH_NULL_MD5 = 0x0001,
++ TLS_RSA_WITH_NULL_SHA = 0x0002,
++ TLS_RSA_EXPORT_WITH_RC4_40_MD5 = 0x0003,
++ TLS_RSA_WITH_RC4_128_MD5 = 0x0004,
++ TLS_RSA_WITH_RC4_128_SHA = 0x0005,
+ TLS_RSA_EXPORT_WITH_RC2_CBC_40_MD5 = 0X0006,
+- TLS_RSA_WITH_IDEA_CBC_SHA = 0X0007,
++ TLS_RSA_WITH_IDEA_CBC_SHA = 0X0007,
+ TLS_RSA_EXPORT_WITH_DES40_CBC_SHA = 0X0008,
+ TLS_RSA_WITH_DES_CBC_SHA = 0X0009,
+ TLS_RSA_WITH_3DES_EDE_CBC_SHA = 0X000A,
+@@ -220,12 +238,11 @@
+ TLS_DHE_RSA_WITH_DES_CBC_SHA = 0X0015,
+ TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA = 0X0016,
+ TLS_DH_anon_EXPORT_WITH_RC4_40_MD5 = 0x0017,
+- TLS_DH_anon_WITH_RC4_128_MD5 = 0x0018,
++ TLS_DH_anon_WITH_RC4_128_MD5 = 0x0018,
+ TLS_DH_anon_EXPORT_WITH_DES40_CBC_SHA = 0X0019,
+ TLS_DH_anon_WITH_DES_CBC_SHA = 0X001A,
+ TLS_DH_anon_WITH_3DES_EDE_CBC_SHA = 0X001B,
+-
+- TLS_RSA_WITH_AES_128_CBC_SHA = 0X002f, // aes, aka rijndael with 128 bit blocks
++ TLS_RSA_WITH_AES_128_CBC_SHA = 0X002F, // aes, aka rijndael with 128 bit blocks
+ TLS_DH_DSS_WITH_AES_128_CBC_SHA = 0X0030,
+ TLS_DH_RSA_WITH_AES_128_CBC_SHA = 0X0031,
+ TLS_DHE_DSS_WITH_AES_128_CBC_SHA = 0X0032,
+@@ -237,7 +254,44 @@
+ TLS_DHE_DSS_WITH_AES_256_CBC_SHA = 0X0038,
+ TLS_DHE_RSA_WITH_AES_256_CBC_SHA = 0X0039,
+ TLS_DH_anon_WITH_AES_256_CBC_SHA = 0X003A,
+- CipherMax
++ TLS_RSA_WITH_AES_128_CBC_SHA256 = 0X003C,
++ TLS_RSA_WITH_AES_256_CBC_SHA256 = 0X003D,
++ TLS_DHE_RSA_WITH_AES_128_CBC_SHA256 = 0X0067,
++
++ TLS_RSA_WITH_AES_128_GCM_SHA256 = 0x009C,
++ TLS_RSA_WITH_AES_256_GCM_SHA384 = 0x009D,
++ TLS_DHE_RSA_WITH_AES_128_GCM_SHA256 = 0x009E,
++ TLS_DHE_RSA_WITH_AES_256_GCM_SHA384 = 0x009F,
++ TLS_DH_RSA_WITH_AES_128_GCM_SHA256 = 0x00A0,
++ TLS_DH_RSA_WITH_AES_256_GCM_SHA384 = 0x00A1,
++ TLS_DHE_DSS_WITH_AES_128_GCM_SHA256 = 0x00A2,
++ TLS_DHE_DSS_WITH_AES_256_GCM_SHA384 = 0x00A3,
++ TLS_DH_DSS_WITH_AES_128_GCM_SHA256 = 0x00A4,
++ TLS_DH_DSS_WITH_AES_256_GCM_SHA384 = 0x00A5,
++ TLS_DH_anon_WITH_AES_128_GCM_SHA256 = 0x00A6,
++ TLS_DH_anon_WITH_AES_256_GCM_SHA384 = 0x00A7,
++
++ TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 = 0xC02B,
++ TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 = 0xC02F,
++
++ TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA = 0xC013,
++ TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA = 0xC014,
++ TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 = 0xC027,
++ TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256 = 0xC023,
++
++ TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305 = 0xCCA8,
++ TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305 = 0xCCA9,
++ TLS_DHE_RSA_WITH_CHACHA20_POLY1305 = 0xCCAA,
++
++ GOOGLE_ECDHE_RSA_WITH_CHACHA20_POLY1305 = 0xCC13,
++ GOOGLE_ECDHE_ECDSA_WITH_CHACHA20_POLY1305 = 0xCC14,
++ GOOGLE_DHE_RSA_WITH_CHACHA20_POLY1305 = 0xCC15,
++
++ TLS_PSK_WITH_CHACHA20_POLY1305 = 0xCCAB,
++ TLS_PSK_WITH_AES_128_CBC_SHA256 = 0x00AE,
++ TLS_PSK_WITH_AES_128_CBC_SHA = 0x008C,
++
++ TLS_FALLBACK_SCSV = 0x5600,
+ };
+
+ // compression methods
+@@ -246,39 +300,91 @@
+ CompressionMax
+ };
+
+-// extensions
+-enum {+- ExtSigalgs = 0xd,
+-};
+-
+-// signature algorithms
+-enum {+- RSA_PKCS1_SHA1 = 0x0201,
+- RSA_PKCS1_SHA256 = 0x0401,
+- RSA_PKCS1_SHA384 = 0x0501,
+- RSA_PKCS1_SHA512 = 0x0601
+-};
+-
+ static Algs cipherAlgs[] = {+- {"rc4_128", "md5", 2*(16+MD5dlen), TLS_RSA_WITH_RC4_128_MD5},+- {"rc4_128", "sha1", 2*(16+SHA1dlen), TLS_RSA_WITH_RC4_128_SHA},+- {"3des_ede_cbc", "sha1", 2*(4*8+SHA1dlen), TLS_RSA_WITH_3DES_EDE_CBC_SHA},++ // ECDHE-ECDSA
++ {"ccpoly96_aead", "clear", 2*(32+12), TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305},++ {"ccpoly64_aead", "clear", 2*32, GOOGLE_ECDHE_ECDSA_WITH_CHACHA20_POLY1305},++ {"aes_128_gcm_aead", "clear", 2*(16+4), TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256},++ {"aes_128_cbc", "sha256", 2*(16+16+SHA2_256dlen), TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256},++
++ // ECDHE-RSA
++ {"ccpoly96_aead", "clear", 2*(32+12), TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305},++ {"ccpoly64_aead", "clear", 2*32, GOOGLE_ECDHE_RSA_WITH_CHACHA20_POLY1305},++ {"aes_128_gcm_aead", "clear", 2*(16+4), TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256},++ {"aes_128_cbc", "sha256", 2*(16+16+SHA2_256dlen), TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256},++ {"aes_128_cbc", "sha1", 2*(16+16+SHA1dlen), TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA},++ {"aes_256_cbc", "sha1", 2*(32+16+SHA1dlen), TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA},++
++ // DHE-RSA
++ {"ccpoly96_aead", "clear", 2*(32+12), TLS_DHE_RSA_WITH_CHACHA20_POLY1305},++ {"ccpoly64_aead", "clear", 2*32, GOOGLE_DHE_RSA_WITH_CHACHA20_POLY1305},++ {"aes_128_gcm_aead", "clear", 2*(16+4), TLS_DHE_RSA_WITH_AES_128_GCM_SHA256},++ {"aes_128_cbc", "sha256", 2*(16+16+SHA2_256dlen), TLS_DHE_RSA_WITH_AES_128_CBC_SHA256},++ {"aes_128_cbc", "sha1", 2*(16+16+SHA1dlen), TLS_DHE_RSA_WITH_AES_128_CBC_SHA},++ {"aes_256_cbc", "sha1", 2*(32+16+SHA1dlen), TLS_DHE_RSA_WITH_AES_256_CBC_SHA},++ {"3des_ede_cbc","sha1", 2*(4*8+SHA1dlen), TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA},++
++ // RSA
++ {"aes_128_gcm_aead", "clear", 2*(16+4), TLS_RSA_WITH_AES_128_GCM_SHA256},++ {"aes_128_cbc", "sha256", 2*(16+16+SHA2_256dlen), TLS_RSA_WITH_AES_128_CBC_SHA256},++ {"aes_256_cbc", "sha256", 2*(32+16+SHA2_256dlen), TLS_RSA_WITH_AES_256_CBC_SHA256},+ {"aes_128_cbc", "sha1", 2*(16+16+SHA1dlen), TLS_RSA_WITH_AES_128_CBC_SHA},+- {"aes_256_cbc", "sha1", 2*(32+16+SHA1dlen), TLS_RSA_WITH_AES_256_CBC_SHA}++ {"aes_256_cbc", "sha1", 2*(32+16+SHA1dlen), TLS_RSA_WITH_AES_256_CBC_SHA},++ {"3des_ede_cbc","sha1", 2*(4*8+SHA1dlen), TLS_RSA_WITH_3DES_EDE_CBC_SHA},++
++ // PSK
++ {"ccpoly96_aead", "clear", 2*(32+12), TLS_PSK_WITH_CHACHA20_POLY1305},++ {"aes_128_cbc", "sha256", 2*(16+16+SHA2_256dlen), TLS_PSK_WITH_AES_128_CBC_SHA256},++ {"aes_128_cbc", "sha1", 2*(16+16+SHA1dlen), TLS_PSK_WITH_AES_128_CBC_SHA},+ };
+
+ static uchar compressors[] = {+ CompressionNull,
+ };
+
+-static int sigAlgs[] = {+- RSA_PKCS1_SHA256,
+- RSA_PKCS1_SHA1,
++static Namedcurve namedcurves[] = {++ 0x0017, secp256r1,
++ 0x0018, secp384r1,
++};
++
++static uchar pointformats[] = {++ CompressionNull /* support of uncompressed point format is mandatory */
++};
++
++static struct {++ DigestState* (*fun)(uchar*, ulong, uchar*, DigestState*);
++ int len;
++} hashfun[] = {++/* [0x00] is reserved for MD5+SHA1 for < TLS1.2 */
++ [0x01] {md5, MD5dlen},++ [0x02] {sha1, SHA1dlen},++ [0x03] {sha2_224, SHA2_224dlen},++ [0x04] {sha2_256, SHA2_256dlen},++ [0x05] {sha2_384, SHA2_384dlen},++ [0x06] {sha2_512, SHA2_512dlen},+ };
+
+-static TlsConnection *tlsServer2(int ctl, int hand, uchar *cert, int ncert, int (*trace)(char*fmt, ...), PEMChain *chain);
+-static TlsConnection *tlsClient2(int ctl, int hand, uchar *csid, int ncsid, int (*trace)(char*fmt, ...));
++// signature algorithms (only RSA and ECDSA at the moment)
++static int sigalgs[] = {++ 0x0603, /* SHA512 ECDSA */
++ 0x0503, /* SHA384 ECDSA */
++ 0x0403, /* SHA256 ECDSA */
++ 0x0203, /* SHA1 ECDSA */
++
++ 0x0601, /* SHA512 RSA */
++ 0x0501, /* SHA384 RSA */
++ 0x0401, /* SHA256 RSA */
++ 0x0201, /* SHA1 RSA */
++};
+
++static TlsConnection *tlsServer2(int ctl, int hand,
++ uchar *cert, int certlen,
++ char *pskid, uchar *psk, int psklen,
++ int (*trace)(char*fmt, ...), PEMChain *chain);
++static TlsConnection *tlsClient2(int ctl, int hand,
++ uchar *cert, int certlen,
++ char *pskid, uchar *psk, int psklen,
++ uchar *ext, int extlen, int (*trace)(char*fmt, ...));
+ static void msgClear(Msg *m);
+ static char* msgPrint(char *buf, int n, Msg *m);
+ static int msgRecv(TlsConnection *c, Msg *m);
+@@ -286,54 +392,58 @@
+ static void tlsError(TlsConnection *c, int err, char *msg, ...);
+ #pragma varargck argpos tlsError 3
+ static int setVersion(TlsConnection *c, int version);
++static int setSecrets(TlsConnection *c, int isclient);
+ static int finishedMatch(TlsConnection *c, Finished *f);
+ static void tlsConnectionFree(TlsConnection *c);
+
++static int isDHE(int tlsid);
++static int isECDHE(int tlsid);
++static int isPSK(int tlsid);
++static int isECDSA(int tlsid);
++
+ static int setAlgs(TlsConnection *c, int a);
+-static int okCipher(Ints *cv);
++static int okCipher(Ints *cv, int ispsk);
+ static int okCompression(Bytes *cv);
+ static int initCiphers(void);
+-static Ints* makeciphers(void);
++static Ints* makeciphers(int ispsk);
++
++static AuthRpc* factotum_rsa_open(RSApub *rsapub);
++static mpint* factotum_rsa_decrypt(AuthRpc *rpc, mpint *cipher);
++static void factotum_rsa_close(AuthRpc *rpc);
+
+-static TlsSec* tlsSecInits(int cvers, uchar *csid, int ncsid, uchar *crandom, uchar *ssid, int *nssid, uchar *srandom);
+-static int tlsSecSecrets(TlsSec *sec, int vers, uchar *epm, int nepm, uchar *kd, int nkd);
+-static TlsSec* tlsSecInitc(int cvers, uchar *crandom);
+-static int tlsSecSecretc(TlsSec *sec, uchar *sid, int nsid, uchar *srandom, uchar *cert, int ncert, int vers, uchar **epm, int *nepm, uchar *kd, int nkd);
+-static int tlsSecFinished(TlsSec *sec, HandHash hs, uchar *fin, int nfin, int isclient);
+-static void tlsSecOk(TlsSec *sec);
+-static void tlsSecKill(TlsSec *sec);
+-static void tlsSecClose(TlsSec *sec);
++static void tlsSecInits(TlsSec *sec, int cvers, uchar *crandom);
++static int tlsSecRSAs(TlsSec *sec, Bytes *epm);
++static Bytes* tlsSecECDHEs1(TlsSec *sec, Namedcurve *nc);
++static int tlsSecECDHEs2(TlsSec *sec, Bytes *Yc);
++static void tlsSecInitc(TlsSec *sec, int cvers);
++static Bytes* tlsSecRSAc(TlsSec *sec, uchar *cert, int ncert);
++static Bytes* tlsSecDHEc(TlsSec *sec, Bytes *p, Bytes *g, Bytes *Ys);
++static Bytes* tlsSecECDHEc(TlsSec *sec, int curve, Bytes *Ys);
++static void tlsSecVers(TlsSec *sec, int v);
++static int tlsSecFinished(TlsSec *sec, HandshakeHash hsh, uchar *fin, int nfin, int isclient);
+ static void setMasterSecret(TlsSec *sec, Bytes *pm);
+-static void serverMasterSecret(TlsSec *sec, uchar *epm, int nepm);
+-static void setSecrets(TlsSec *sec, uchar *kd, int nkd);
+-static int clientMasterSecret(TlsSec *sec, RSApub *pub, uchar **epm, int *nepm);
+-static Bytes *pkcs1_encrypt(Bytes* data, RSApub* key, int blocktype);
+-static Bytes *pkcs1_decrypt(TlsSec *sec, uchar *epm, int nepm);
+-static void tlsSetFinished(TlsSec *sec, HandHash hs, uchar *finished, int isClient);
+-static void tls12SetFinished(TlsSec *sec, HandHash hs, uchar *finished, int isClient);
+-static void sslSetFinished(TlsSec *sec, HandHash hs, uchar *finished, int isClient);
+-static void sslPRF(uchar *buf, int nbuf, uchar *key, int nkey, char *label,
+- uchar *seed0, int nseed0, uchar *seed1, int nseed1);
+-static int setVers(TlsSec *sec, int version);
++static int digestDHparams(TlsSec *sec, Bytes *par, uchar digest[MAXdlen], int sigalg);
++static char* verifyDHparams(TlsSec *sec, Bytes *par, Bytes *cert, Bytes *sig, int sigalg);
+
+-static AuthRpc* factotum_rsa_open(uchar *cert, int certlen);
+-static mpint* factotum_rsa_decrypt(AuthRpc *rpc, mpint *cipher);
+-static void factotum_rsa_close(AuthRpc*rpc);
++static Bytes* pkcs1_encrypt(Bytes* data, RSApub* key);
++static Bytes* pkcs1_decrypt(TlsSec *sec, Bytes *data);
++static Bytes* pkcs1_sign(TlsSec *sec, uchar *digest, int digestlen, int sigalg);
+
+ static void* emalloc(int);
+ static void* erealloc(void*, int);
+ static void put32(uchar *p, u32int);
+ static void put24(uchar *p, int);
+ static void put16(uchar *p, int);
+-static u32int get32(uchar *p);
+ static int get24(uchar *p);
+ static int get16(uchar *p);
+ static Bytes* newbytes(int len);
+ static Bytes* makebytes(uchar* buf, int len);
++static Bytes* mptobytes(mpint* big, int len);
++static mpint* bytestomp(Bytes* bytes);
+ static void freebytes(Bytes* b);
+ static Ints* newints(int len);
+-static Ints* makeints(int* buf, int len);
+ static void freeints(Ints* b);
++static int lookupid(Ints* b, int id);
+
+ //================= client/server ========================
+
+@@ -349,7 +459,7 @@
+
+ if(conn == nil)
+ return -1;
+- ctl = open("#a/tls/clone", ORDWR);++ ctl = open("#a/tls/clone", ORDWR|OCEXEC);+ if(ctl < 0)
+ return -1;
+ n = read(ctl, buf, sizeof(buf)-1);
+@@ -358,40 +468,117 @@
+ return -1;
+ }
+ buf[n] = 0;
+- snprint(conn->dir, sizeof conn->dir, "#a/tls/%s", buf);
+- snprint(dname, sizeof dname, "#a/tls/%s/hand", buf);
+- hand = open(dname, ORDWR);
++ snprint(conn->dir, sizeof(conn->dir), "#a/tls/%s", buf);
++ snprint(dname, sizeof(dname), "#a/tls/%s/hand", buf);
++ hand = open(dname, ORDWR|OCEXEC);
+ if(hand < 0){+ close(ctl);
+ return -1;
+ }
++ data = -1;
+ fprint(ctl, "fd %d 0x%x", fd, ProtocolVersion);
+- tls = tlsServer2(ctl, hand, conn->cert, conn->certlen, conn->trace, conn->chain);
+- snprint(dname, sizeof dname, "#a/tls/%s/data", buf);
+- data = open(dname, ORDWR);
+- close(fd);
++ tls = tlsServer2(ctl, hand,
++ conn->cert, conn->certlen,
++ conn->pskID, conn->psk, conn->psklen,
++ conn->trace, conn->chain);
++ if(tls != nil){++ snprint(dname, sizeof(dname), "#a/tls/%s/data", buf);
++ data = open(dname, ORDWR);
++ }
+ close(hand);
+ close(ctl);
+ if(data < 0){++ tlsConnectionFree(tls);
+ return -1;
+ }
+- if(tls == nil){+- close(data);
+- return -1;
+- }
+- if(conn->cert)
+- free(conn->cert);
+- conn->cert = 0; // client certificates are not yet implemented
++ free(conn->cert);
++ conn->cert = nil; // client certificates are not yet implemented
+ conn->certlen = 0;
+- conn->sessionIDlen = tls->sid->len;
+- conn->sessionID = emalloc(conn->sessionIDlen);
+- memcpy(conn->sessionID, tls->sid->data, conn->sessionIDlen);
+- if(conn->sessionKey != nil && conn->sessionType != nil && strcmp(conn->sessionType, "ttls") == 0)
+- tls->sec->prf(conn->sessionKey, conn->sessionKeylen, tls->sec->sec, MasterSecretSize, conn->sessionConst, tls->sec->crandom, RandomSize, tls->sec->srandom, RandomSize);
++ conn->sessionIDlen = 0;
++ conn->sessionID = nil;
++ if(conn->sessionKey != nil
++ && conn->sessionType != nil
++ && strcmp(conn->sessionType, "ttls") == 0)
++ tls->sec->prf(
++ conn->sessionKey, conn->sessionKeylen,
++ tls->sec->sec, MasterSecretSize,
++ conn->sessionConst,
++ tls->sec->crandom, RandomSize,
++ tls->sec->srandom, RandomSize);
+ tlsConnectionFree(tls);
++ close(fd);
+ return data;
+ }
+
++static uchar*
++tlsClientExtensions(TLSconn *conn, int *plen)
++{++ uchar *b, *p;
++ int i, n, m;
++
++ p = b = nil;
++
++ // RFC6066 - Server Name Identification
++ if(conn->serverName != nil){++ n = strlen(conn->serverName);
++
++ m = p - b;
++ b = erealloc(b, m + 2+2+2+1+2+n);
++ p = b + m;
++
++ put16(p, 0), p += 2; /* Type: server_name */
++ put16(p, 2+1+2+n), p += 2; /* Length */
++ put16(p, 1+2+n), p += 2; /* Server Name list length */
++ *p++ = 0; /* Server Name Type: host_name */
++ put16(p, n), p += 2; /* Server Name length */
++ memmove(p, conn->serverName, n);
++ p += n;
++ }
++
++ // ECDHE
++ if(ProtocolVersion >= TLS10Version){++ m = p - b;
++ b = erealloc(b, m + 2+2+2+nelem(namedcurves)*2 + 2+2+1+nelem(pointformats));
++ p = b + m;
++
++ n = nelem(namedcurves);
++ put16(p, 0x000a), p += 2; /* Type: elliptic_curves */
++ put16(p, (n+1)*2), p += 2; /* Length */
++ put16(p, n*2), p += 2; /* Elliptic Curves Length */
++ for(i=0; i < n; i++){ /* Elliptic curves */++ put16(p, namedcurves[i].tlsid);
++ p += 2;
++ }
++
++ n = nelem(pointformats);
++ put16(p, 0x000b), p += 2; /* Type: ec_point_formats */
++ put16(p, n+1), p += 2; /* Length */
++ *p++ = n; /* EC point formats Length */
++ for(i=0; i < n; i++) /* Elliptic curves point formats */
++ *p++ = pointformats[i];
++ }
++
++ // signature algorithms
++ if(ProtocolVersion >= TLS12Version){++ n = nelem(sigalgs);
++
++ m = p - b;
++ b = erealloc(b, m + 2+2+2+n*2);
++ p = b + m;
++
++ put16(p, 0x000d), p += 2;
++ put16(p, n*2 + 2), p += 2;
++ put16(p, n*2), p += 2;
++ for(i=0; i < n; i++){++ put16(p, sigalgs[i]);
++ p += 2;
++ }
++ }
++
++ *plen = p - b;
++ return b;
++}
++
+ // push TLS onto fd, returning new (application) file descriptor
+ // or -1 if error.
+ int
+@@ -401,10 +588,11 @@
+ char dname[64];
+ int n, data, ctl, hand;
+ TlsConnection *tls;
++ uchar *ext;
+
+- if(!conn)
++ if(conn == nil)
+ return -1;
+- ctl = open("#a/tls/clone", ORDWR);++ ctl = open("#a/tls/clone", ORDWR|OCEXEC);+ if(ctl < 0)
+ return -1;
+ n = read(ctl, buf, sizeof(buf)-1);
+@@ -413,38 +601,55 @@
+ return -1;
+ }
+ buf[n] = 0;
+- snprint(conn->dir, sizeof conn->dir, "#a/tls/%s", buf);
+- snprint(dname, sizeof dname, "#a/tls/%s/hand", buf);
+- hand = open(dname, ORDWR);
++ snprint(conn->dir, sizeof(conn->dir), "#a/tls/%s", buf);
++ snprint(dname, sizeof(dname), "#a/tls/%s/hand", buf);
++ hand = open(dname, ORDWR|OCEXEC);
+ if(hand < 0){+ close(ctl);
+ return -1;
+ }
+- snprint(dname, sizeof dname, "#a/tls/%s/data", buf);
++ snprint(dname, sizeof(dname), "#a/tls/%s/data", buf);
+ data = open(dname, ORDWR);
+- if(data < 0) {++ if(data < 0){+ close(hand);
+ close(ctl);
+ return -1;
+ }
+ fprint(ctl, "fd %d 0x%x", fd, ProtocolVersion);
+- tls = tlsClient2(ctl, hand, conn->sessionID, conn->sessionIDlen, conn->trace);
+- close(fd);
++ ext = tlsClientExtensions(conn, &n);
++ tls = tlsClient2(ctl, hand,
++ conn->cert, conn->certlen,
++ conn->pskID, conn->psk, conn->psklen,
++ ext, n, conn->trace);
++ free(ext);
+ close(hand);
+ close(ctl);
+ if(tls == nil){+ close(data);
+ return -1;
+ }
+- conn->certlen = tls->cert->len;
+- conn->cert = emalloc(conn->certlen);
+- memcpy(conn->cert, tls->cert->data, conn->certlen);
+- conn->sessionIDlen = tls->sid->len;
+- conn->sessionID = emalloc(conn->sessionIDlen);
+- memcpy(conn->sessionID, tls->sid->data, conn->sessionIDlen);
+- if(conn->sessionKey != nil && conn->sessionType != nil && strcmp(conn->sessionType, "ttls") == 0)
+- tls->sec->prf(conn->sessionKey, conn->sessionKeylen, tls->sec->sec, MasterSecretSize, conn->sessionConst, tls->sec->crandom, RandomSize, tls->sec->srandom, RandomSize);
++ free(conn->cert);
++ if(tls->cert != nil){++ conn->certlen = tls->cert->len;
++ conn->cert = emalloc(conn->certlen);
++ memcpy(conn->cert, tls->cert->data, conn->certlen);
++ } else {++ conn->certlen = 0;
++ conn->cert = nil;
++ }
++ conn->sessionIDlen = 0;
++ conn->sessionID = nil;
++ if(conn->sessionKey != nil
++ && conn->sessionType != nil
++ && strcmp(conn->sessionType, "ttls") == 0)
++ tls->sec->prf(
++ conn->sessionKey, conn->sessionKeylen,
++ tls->sec->sec, MasterSecretSize,
++ conn->sessionConst,
++ tls->sec->crandom, RandomSize,
++ tls->sec->srandom, RandomSize);
+ tlsConnectionFree(tls);
++ close(fd);
+ return data;
+ }
+
+@@ -461,24 +666,26 @@
+ }
+
+ static TlsConnection *
+-tlsServer2(int ctl, int hand, uchar *cert, int ncert, int (*trace)(char*fmt, ...), PEMChain *chp)
++tlsServer2(int ctl, int hand,
++ uchar *cert, int certlen,
++ char *pskid, uchar *psk, int psklen,
++ int (*trace)(char*fmt, ...), PEMChain *chp)
+ {++ int cipher, compressor, numcerts, i;
+ TlsConnection *c;
+ Msg m;
+- Bytes *csid;
+- uchar sid[SidSize], kd[MaxKeyData];
+- char *secrets;
+- int cipher, compressor, nsid, rv, numcerts, i;
+
+ if(trace)
+ trace("tlsServer2\n");+ if(!initCiphers())
+ return nil;
++
+ c = emalloc(sizeof(TlsConnection));
+ c->ctl = ctl;
+ c->hand = hand;
+ c->trace = trace;
+ c->version = ProtocolVersion;
++ c->sendp = c->buf;
+
+ memset(&m, 0, sizeof(m));
+ if(!msgRecv(c, &m)){+@@ -490,25 +697,19 @@
+ tlsError(c, EUnexpectedMessage, "expected a client hello");
+ goto Err;
+ }
+- c->clientVersion = m.u.clientHello.version;
+ if(trace)
+- trace("ClientHello version %x\n", c->clientVersion);++ trace("ClientHello version %x\n", m.u.clientHello.version);+ if(setVersion(c, m.u.clientHello.version) < 0) {+ tlsError(c, EIllegalParameter, "incompatible version");
+ goto Err;
+ }
+-
+- memmove(c->crandom, m.u.clientHello.random, RandomSize);
+- cipher = okCipher(m.u.clientHello.ciphers);
+- if(cipher < 0) {+- // reply with EInsufficientSecurity if we know that's the case
+- if(cipher == -2)
+- tlsError(c, EInsufficientSecurity, "cipher suites too weak");
+- else
+- tlsError(c, EHandshakeFailure, "no matching cipher suite");
++ if(c->version < ProtocolVersion
++ && lookupid(m.u.clientHello.ciphers, TLS_FALLBACK_SCSV) >= 0){++ tlsError(c, EInappropriateFallback, "inappropriate fallback");
+ goto Err;
+ }
+- if(!setAlgs(c, cipher)){++ cipher = okCipher(m.u.clientHello.ciphers, psklen > 0);
++ if(cipher < 0 || !setAlgs(c, cipher)) {+ tlsError(c, EHandshakeFailure, "no matching cipher suite");
+ goto Err;
+ }
+@@ -517,49 +718,84 @@
+ tlsError(c, EHandshakeFailure, "no matching compressor");
+ goto Err;
+ }
+-
+- csid = m.u.clientHello.sid;
+ if(trace)
+- trace(" cipher %d, compressor %d, csidlen %d\n", cipher, compressor, csid->len);+- c->sec = tlsSecInits(c->clientVersion, csid->data, csid->len, c->crandom, sid, &nsid, c->srandom);
+- if(c->sec == nil){+- tlsError(c, EHandshakeFailure, "can't initialize security: %r");
+- goto Err;
+- }
+- c->sec->rpc = factotum_rsa_open(cert, ncert);
+- if(c->sec->rpc == nil){+- tlsError(c, EHandshakeFailure, "factotum_rsa_open: %r");
+- goto Err;
++ trace(" cipher %x, compressor %x\n", cipher, compressor);++
++ tlsSecInits(c->sec, m.u.clientHello.version, m.u.clientHello.random);
++ tlsSecVers(c->sec, c->version);
++ if(psklen > 0){++ c->sec->psk = psk;
++ c->sec->psklen = psklen;
++ }
++ if(certlen > 0){++ /* server certificate */
++ c->sec->rsapub = X509toRSApub(cert, certlen, nil, 0);
++ if(c->sec->rsapub == nil){++ tlsError(c, EHandshakeFailure, "invalid X509/rsa certificate");
++ goto Err;
++ }
++ c->sec->rpc = factotum_rsa_open(c->sec->rsapub);
++ if(c->sec->rpc == nil){++ tlsError(c, EHandshakeFailure, "factotum_rsa_open: %r");
++ goto Err;
++ }
+ }
+- c->sec->rsapub = X509toRSApub(cert, ncert, nil, 0);
+ msgClear(&m);
+
+ m.tag = HServerHello;
+ m.u.serverHello.version = c->version;
+- memmove(m.u.serverHello.random, c->srandom, RandomSize);
++ memmove(m.u.serverHello.random, c->sec->srandom, RandomSize);
+ m.u.serverHello.cipher = cipher;
+ m.u.serverHello.compressor = compressor;
+- c->sid = makebytes(sid, nsid);
+- m.u.serverHello.sid = makebytes(c->sid->data, c->sid->len);
++ m.u.serverHello.sid = makebytes(nil, 0);
+ if(!msgSend(c, &m, AQueue))
+ goto Err;
+- msgClear(&m);
+
+- m.tag = HCertificate;
+- numcerts = countchain(chp);
+- m.u.certificate.ncert = 1 + numcerts;
+- m.u.certificate.certs = emalloc(m.u.certificate.ncert * sizeof(Bytes));
+- m.u.certificate.certs[0] = makebytes(cert, ncert);
+- for (i = 0; i < numcerts && chp; i++, chp = chp->next)
+- m.u.certificate.certs[i+1] = makebytes(chp->pem, chp->pemlen);
+- if(!msgSend(c, &m, AQueue))
+- goto Err;
+- msgClear(&m);
++ if(certlen > 0){++ m.tag = HCertificate;
++ numcerts = countchain(chp);
++ m.u.certificate.ncert = 1 + numcerts;
++ m.u.certificate.certs = emalloc(m.u.certificate.ncert * sizeof(Bytes*));
++ m.u.certificate.certs[0] = makebytes(cert, certlen);
++ for (i = 0; i < numcerts && chp; i++, chp = chp->next)
++ m.u.certificate.certs[i+1] = makebytes(chp->pem, chp->pemlen);
++ if(!msgSend(c, &m, AQueue))
++ goto Err;
++ }
++
++ if(isECDHE(cipher)){++ Namedcurve *nc = &namedcurves[0]; /* secp256r1 */
++
++ m.tag = HServerKeyExchange;
++ m.u.serverKeyExchange.curve = nc->tlsid;
++ m.u.serverKeyExchange.dh_parameters = tlsSecECDHEs1(c->sec, nc);
++ if(m.u.serverKeyExchange.dh_parameters == nil){++ tlsError(c, EInternalError, "can't set DH parameters");
++ goto Err;
++ }
++
++ /* sign the DH parameters */
++ if(certlen > 0){++ uchar digest[MAXdlen];
++ int digestlen;
++
++ if(c->version >= TLS12Version)
++ m.u.serverKeyExchange.sigalg = 0x0401; /* RSA SHA256 */
++ digestlen = digestDHparams(c->sec, m.u.serverKeyExchange.dh_parameters,
++ digest, m.u.serverKeyExchange.sigalg);
++ if((m.u.serverKeyExchange.dh_signature = pkcs1_sign(c->sec, digest, digestlen,
++ m.u.serverKeyExchange.sigalg)) == nil){++ tlsError(c, EHandshakeFailure, "pkcs1_sign: %r");
++ goto Err;
++ }
++ }
++ if(!msgSend(c, &m, AQueue))
++ goto Err;
++ }
+
+ m.tag = HServerHelloDone;
+ if(!msgSend(c, &m, AFlush))
+ goto Err;
+- msgClear(&m);
+
+ if(!msgRecv(c, &m))
+ goto Err;
+@@ -567,26 +803,40 @@
+ tlsError(c, EUnexpectedMessage, "expected a client key exchange");
+ goto Err;
+ }
+- if(tlsSecSecrets(c->sec, c->version, m.u.clientKeyExchange.key->data, m.u.clientKeyExchange.key->len, kd, c->nsecret) < 0){+- tlsError(c, EHandshakeFailure, "couldn't set secrets: %r");
++ if(pskid != nil){++ if(m.u.clientKeyExchange.pskid == nil
++ || m.u.clientKeyExchange.pskid->len != strlen(pskid)
++ || memcmp(pskid, m.u.clientKeyExchange.pskid->data, m.u.clientKeyExchange.pskid->len) != 0){++ tlsError(c, EUnknownPSKidentity, "unknown or missing pskid");
++ goto Err;
++ }
++ }
++ if(isECDHE(cipher)){++ if(tlsSecECDHEs2(c->sec, m.u.clientKeyExchange.key) < 0){++ tlsError(c, EHandshakeFailure, "couldn't set keys: %r");
++ goto Err;
++ }
++ } else if(certlen > 0){++ if(tlsSecRSAs(c->sec, m.u.clientKeyExchange.key) < 0){++ tlsError(c, EHandshakeFailure, "couldn't set keys: %r");
++ goto Err;
++ }
++ } else if(psklen > 0){++ setMasterSecret(c->sec, newbytes(psklen));
++ } else {++ tlsError(c, EInternalError, "no psk or certificate");
+ goto Err;
+ }
++
+ if(trace)
+ trace("tls secrets\n");+- secrets = (char*)emalloc(2*c->nsecret);
+- enc64(secrets, 2*c->nsecret, kd, c->nsecret);
+- rv = fprint(c->ctl, "secret %s %s 0 %s", c->digest, c->enc, secrets);
+- memset(secrets, 0, 2*c->nsecret);
+- free(secrets);
+- memset(kd, 0, c->nsecret);
+- if(rv < 0){+- tlsError(c, EHandshakeFailure, "can't set keys: %r");
++ if(setSecrets(c, 0) < 0){++ tlsError(c, EHandshakeFailure, "can't set secrets: %r");
+ goto Err;
+ }
+- msgClear(&m);
+
+ /* no CertificateVerify; skip to Finished */
+- if(tlsSecFinished(c->sec, c->hs, c->finished.verify, c->finished.n, 1) < 0){++ if(tlsSecFinished(c->sec, c->handhash, c->finished.verify, c->finished.n, 1) < 0){+ tlsError(c, EInternalError, "can't set finished: %r");
+ goto Err;
+ }
+@@ -608,7 +858,7 @@
+ goto Err;
+ }
+
+- if(tlsSecFinished(c->sec, c->hs, c->finished.verify, c->finished.n, 0) < 0){++ if(tlsSecFinished(c->sec, c->handhash, c->finished.verify, c->finished.n, 0) < 0){+ tlsError(c, EInternalError, "can't set finished: %r");
+ goto Err;
+ }
+@@ -616,58 +866,161 @@
+ m.u.finished = c->finished;
+ if(!msgSend(c, &m, AFlush))
+ goto Err;
+- msgClear(&m);
+ if(trace)
+ trace("tls finished\n");+
+ if(fprint(c->ctl, "opened") < 0)
+ goto Err;
+- tlsSecOk(c->sec);
+ return c;
+
+ Err:
+ msgClear(&m);
+ tlsConnectionFree(c);
+- return 0;
++ return nil;
++}
++
++static Bytes*
++tlsSecDHEc(TlsSec *sec, Bytes *p, Bytes *g, Bytes *Ys)
++{++ DHstate *dh = &sec->dh;
++ mpint *G, *P, *Y, *K;
++ Bytes *Yc;
++ int n;
++
++ if(p == nil || g == nil || Ys == nil)
++ return nil;
++
++ Yc = nil;
++ P = bytestomp(p);
++ G = bytestomp(g);
++ Y = bytestomp(Ys);
++ K = nil;
++
++ if(dh_new(dh, P, nil, G) == nil)
++ goto Out;
++ n = (mpsignif(P)+7)/8;
++ Yc = mptobytes(dh->y, n);
++ K = dh_finish(dh, Y); /* zeros dh */
++ if(K == nil){++ freebytes(Yc);
++ Yc = nil;
++ goto Out;
++ }
++ setMasterSecret(sec, mptobytes(K, n));
++
++Out:
++ mpfree(K);
++ mpfree(Y);
++ mpfree(G);
++ mpfree(P);
++
++ return Yc;
++}
++
++static Bytes*
++tlsSecECDHEc(TlsSec *sec, int curve, Bytes *Ys)
++{++ ECdomain *dom = &sec->ec.dom;
++ ECpriv *Q = &sec->ec.Q;
++ Namedcurve *nc;
++ ECpub *pub;
++ ECpoint K;
++ Bytes *Yc;
++ int n;
++
++ if(Ys == nil)
++ return nil;
++ for(nc = namedcurves; nc != &namedcurves[nelem(namedcurves)]; nc++)
++ if(nc->tlsid == curve)
++ goto Found;
++ return nil;
++
++Found:
++ ecdominit(dom, nc->init);
++ pub = ecdecodepub(dom, Ys->data, Ys->len);
++ if(pub == nil)
++ return nil;
++
++ memset(Q, 0, sizeof(*Q));
++ Q->x = mpnew(0);
++ Q->y = mpnew(0);
++ Q->d = mpnew(0);
++
++ memset(&K, 0, sizeof(K));
++ K.x = mpnew(0);
++ K.y = mpnew(0);
++
++ ecgen(dom, Q);
++ ecmul(dom, pub, Q->d, &K);
++
++ n = (mpsignif(dom->p)+7)/8;
++ setMasterSecret(sec, mptobytes(K.x, n));
++ Yc = newbytes(1 + 2*n);
++ Yc->len = ecencodepub(dom, Q, Yc->data, Yc->len);
++
++ mpfree(K.x);
++ mpfree(K.y);
++
++ ecpubfree(pub);
++
++ return Yc;
+ }
+
+ static TlsConnection *
+-tlsClient2(int ctl, int hand, uchar *csid, int ncsid, int (*trace)(char*fmt, ...))
++tlsClient2(int ctl, int hand,
++ uchar *cert, int certlen,
++ char *pskid, uchar *psk, int psklen,
++ uchar *ext, int extlen,
++ int (*trace)(char*fmt, ...))
+ {++ int creq, dhx, cipher;
+ TlsConnection *c;
++ Bytes *epm;
+ Msg m;
+- uchar kd[MaxKeyData], *epm;
+- char *secrets;
+- int creq, nepm, rv;
+
+ if(!initCiphers())
+ return nil;
++
+ epm = nil;
++ memset(&m, 0, sizeof(m));
+ c = emalloc(sizeof(TlsConnection));
+- c->version = ProtocolVersion;
++
+ c->ctl = ctl;
+ c->hand = hand;
+ c->trace = trace;
+- c->isClient = 1;
+- c->clientVersion = c->version;
++ c->cert = nil;
++ c->sendp = c->buf;
+
+- c->sec = tlsSecInitc(c->clientVersion, c->crandom);
+- if(c->sec == nil)
+- goto Err;
++ c->version = ProtocolVersion;
++ tlsSecInitc(c->sec, c->version);
++ if(psklen > 0){++ c->sec->psk = psk;
++ c->sec->psklen = psklen;
++ }
++ if(certlen > 0){++ /* client certificate */
++ c->sec->rsapub = X509toRSApub(cert, certlen, nil, 0);
++ if(c->sec->rsapub == nil){++ tlsError(c, EInternalError, "invalid X509/rsa certificate");
++ goto Err;
++ }
++ c->sec->rpc = factotum_rsa_open(c->sec->rsapub);
++ if(c->sec->rpc == nil){++ tlsError(c, EInternalError, "factotum_rsa_open: %r");
++ goto Err;
++ }
++ }
+
+ /* client hello */
+- memset(&m, 0, sizeof(m));
+ m.tag = HClientHello;
+- m.u.clientHello.version = c->clientVersion;
+- memmove(m.u.clientHello.random, c->crandom, RandomSize);
+- m.u.clientHello.sid = makebytes(csid, ncsid);
+- m.u.clientHello.ciphers = makeciphers();
++ m.u.clientHello.version = c->version;
++ memmove(m.u.clientHello.random, c->sec->crandom, RandomSize);
++ m.u.clientHello.sid = makebytes(nil, 0);
++ m.u.clientHello.ciphers = makeciphers(psklen > 0);
+ m.u.clientHello.compressors = makebytes(compressors,sizeof(compressors));
+- if(c->clientVersion >= TLS12Version)
+- m.u.clientHello.sigAlgs = makeints(sigAlgs, nelem(sigAlgs));
++ m.u.clientHello.extensions = makebytes(ext, extlen);
+ if(!msgSend(c, &m, AFlush))
+ goto Err;
+- msgClear(&m);
+
+ /* server hello */
+ if(!msgRecv(c, &m))
+@@ -677,16 +1030,14 @@
+ goto Err;
+ }
+ if(setVersion(c, m.u.serverHello.version) < 0) {+- tlsError(c, EIllegalParameter, "incompatible version %r");
++ tlsError(c, EIllegalParameter, "incompatible version: %r");
+ goto Err;
+ }
+- memmove(c->srandom, m.u.serverHello.random, RandomSize);
+- c->sid = makebytes(m.u.serverHello.sid->data, m.u.serverHello.sid->len);
+- if(c->sid->len != 0 && c->sid->len != SidSize) {+- tlsError(c, EIllegalParameter, "invalid server session identifier");
+- goto Err;
+- }
+- if(!setAlgs(c, m.u.serverHello.cipher)) {++ tlsSecVers(c->sec, c->version);
++ memmove(c->sec->srandom, m.u.serverHello.random, RandomSize);
++
++ cipher = m.u.serverHello.cipher;
++ if((psklen > 0) != isPSK(cipher) || !setAlgs(c, cipher)) {+ tlsError(c, EIllegalParameter, "invalid cipher suite");
+ goto Err;
+ }
+@@ -694,35 +1045,61 @@
+ tlsError(c, EIllegalParameter, "invalid compression");
+ goto Err;
+ }
+- msgClear(&m);
+
+- /* certificate */
+- if(!msgRecv(c, &m) || m.tag != HCertificate) {+- tlsError(c, EUnexpectedMessage, "expected a certificate");
++ dhx = isDHE(cipher) || isECDHE(cipher);
++ if(!msgRecv(c, &m))
+ goto Err;
+- }
+- if(m.u.certificate.ncert < 1) {+- tlsError(c, EIllegalParameter, "runt certificate");
++ if(m.tag == HCertificate){++ if(m.u.certificate.ncert < 1) {++ tlsError(c, EIllegalParameter, "runt certificate");
++ goto Err;
++ }
++ c->cert = makebytes(m.u.certificate.certs[0]->data, m.u.certificate.certs[0]->len);
++ if(!msgRecv(c, &m))
++ goto Err;
++ } else if(psklen == 0) {++ tlsError(c, EUnexpectedMessage, "expected a certificate");
+ goto Err;
+ }
+- c->cert = makebytes(m.u.certificate.certs[0]->data, m.u.certificate.certs[0]->len);
+- msgClear(&m);
+-
+- /* server key exchange (optional) */
+- if(!msgRecv(c, &m))
+- goto Err;
+ if(m.tag == HServerKeyExchange) {+- tlsError(c, EUnexpectedMessage, "got an server key exchange");
++ if(dhx){++ char *err = verifyDHparams(c->sec,
++ m.u.serverKeyExchange.dh_parameters,
++ c->cert,
++ m.u.serverKeyExchange.dh_signature,
++ c->version<TLS12Version ? 0x01 : m.u.serverKeyExchange.sigalg);
++ if(err != nil){++ tlsError(c, EBadCertificate, "can't verify DH parameters: %s", err);
++ goto Err;
++ }
++ if(isECDHE(cipher))
++ epm = tlsSecECDHEc(c->sec,
++ m.u.serverKeyExchange.curve,
++ m.u.serverKeyExchange.dh_Ys);
++ else
++ epm = tlsSecDHEc(c->sec,
++ m.u.serverKeyExchange.dh_p,
++ m.u.serverKeyExchange.dh_g,
++ m.u.serverKeyExchange.dh_Ys);
++ if(epm == nil){++ tlsError(c, EHandshakeFailure, "bad DH parameters");
++ goto Err;
++ }
++ } else if(psklen == 0){++ tlsError(c, EUnexpectedMessage, "got an server key exchange");
++ goto Err;
++ }
++ if(!msgRecv(c, &m))
++ goto Err;
++ } else if(dhx){++ tlsError(c, EUnexpectedMessage, "expected server key exchange");
+ goto Err;
+- // If implementing this later, watch out for rollback attack
+- // described in Wagner Schneier 1996, section 4.4.
+ }
+
+ /* certificate request (optional) */
+ creq = 0;
+ if(m.tag == HCertificateRequest) {+ creq = 1;
+- msgClear(&m);
+ if(!msgRecv(c, &m))
+ goto Err;
+ }
+@@ -733,43 +1110,81 @@
+ }
+ msgClear(&m);
+
+- if(tlsSecSecretc(c->sec, c->sid->data, c->sid->len, c->srandom,
+- c->cert->data, c->cert->len, c->version, &epm, &nepm,
+- kd, c->nsecret) < 0){+- tlsError(c, EBadCertificate, "invalid x509/rsa certificate");
+- goto Err;
++ if(!dhx){++ if(c->cert != nil){++ epm = tlsSecRSAc(c->sec, c->cert->data, c->cert->len);
++ if(epm == nil){++ tlsError(c, EBadCertificate, "bad certificate: %r");
++ goto Err;
++ }
++ } else if(psklen > 0){++ setMasterSecret(c->sec, newbytes(psklen));
++ } else {++ tlsError(c, EInternalError, "no psk or certificate");
++ goto Err;
++ }
+ }
+- secrets = (char*)emalloc(2*c->nsecret);
+- enc64(secrets, 2*c->nsecret, kd, c->nsecret);
+- rv = fprint(c->ctl, "secret %s %s 1 %s", c->digest, c->enc, secrets);
+- memset(secrets, 0, 2*c->nsecret);
+- free(secrets);
+- memset(kd, 0, c->nsecret);
+- if(rv < 0){+- tlsError(c, EHandshakeFailure, "can't set keys: %r");
++
++ if(trace)
++ trace("tls secrets\n");++ if(setSecrets(c, 1) < 0){++ tlsError(c, EHandshakeFailure, "can't set secrets: %r");
+ goto Err;
+ }
+
+ if(creq) {+- /* send a zero length certificate */
+ m.tag = HCertificate;
++ if(certlen > 0){++ m.u.certificate.ncert = 1;
++ m.u.certificate.certs = emalloc(m.u.certificate.ncert * sizeof(Bytes*));
++ m.u.certificate.certs[0] = makebytes(cert, certlen);
++ }
+ if(!msgSend(c, &m, AFlush))
+ goto Err;
+- msgClear(&m);
+ }
+
+ /* client key exchange */
+ m.tag = HClientKeyExchange;
+- m.u.clientKeyExchange.key = makebytes(epm, nepm);
+- free(epm);
+- epm = nil;
+- if(m.u.clientKeyExchange.key == nil) {+- tlsError(c, EHandshakeFailure, "can't set secret: %r");
+- goto Err;
++ if(psklen > 0){++ if(pskid == nil)
++ pskid = "";
++ m.u.clientKeyExchange.pskid = makebytes((uchar*)pskid, strlen(pskid));
+ }
++ m.u.clientKeyExchange.key = epm;
++ epm = nil;
++
+ if(!msgSend(c, &m, AFlush))
+ goto Err;
+- msgClear(&m);
++
++ /* certificate verify */
++ if(creq && certlen > 0) {++ HandshakeHash hsave;
++ uchar digest[MAXdlen];
++ int digestlen;
++
++ /* save the state for the Finish message */
++ hsave = c->handhash;
++ if(c->version < TLS12Version){++ md5(nil, 0, digest, &c->handhash.md5);
++ sha1(nil, 0, digest+MD5dlen, &c->handhash.sha1);
++ digestlen = MD5dlen+SHA1dlen;
++ } else {++ m.u.certificateVerify.sigalg = 0x0401; /* RSA SHA256 */
++ sha2_256(nil, 0, digest, &c->handhash.sha2_256);
++ digestlen = SHA2_256dlen;
++ }
++ c->handhash = hsave;
++
++ if((m.u.certificateVerify.signature = pkcs1_sign(c->sec, digest, digestlen,
++ m.u.certificateVerify.sigalg)) == nil){++ tlsError(c, EHandshakeFailure, "pkcs1_sign: %r");
++ goto Err;
++ }
++
++ m.tag = HCertificateVerify;
++ if(!msgSend(c, &m, AFlush))
++ goto Err;
++ }
+
+ /* change cipher spec */
+ if(fprint(c->ctl, "changecipher") < 0){+@@ -779,32 +1194,26 @@
+
+ // Cipherchange must occur immediately before Finished to avoid
+ // potential hole; see section 4.3 of Wagner Schneier 1996.
+- if(tlsSecFinished(c->sec, c->hs, c->finished.verify, c->finished.n, 1) < 0){++ if(tlsSecFinished(c->sec, c->handhash, c->finished.verify, c->finished.n, 1) < 0){+ tlsError(c, EInternalError, "can't set finished 1: %r");
+ goto Err;
+ }
+ m.tag = HFinished;
+ m.u.finished = c->finished;
+-
+ if(!msgSend(c, &m, AFlush)) {+- fprint(2, "tlsClient nepm=%d\n", nepm);
+ tlsError(c, EInternalError, "can't flush after client Finished: %r");
+ goto Err;
+ }
+- msgClear(&m);
+
+- if(tlsSecFinished(c->sec, c->hs, c->finished.verify, c->finished.n, 0) < 0){+- fprint(2, "tlsClient nepm=%d\n", nepm);
++ if(tlsSecFinished(c->sec, c->handhash, c->finished.verify, c->finished.n, 0) < 0){+ tlsError(c, EInternalError, "can't set finished 0: %r");
+ goto Err;
+ }
+ if(!msgRecv(c, &m)) {+- fprint(2, "tlsClient nepm=%d\n", nepm);
+ tlsError(c, EInternalError, "can't read server Finished: %r");
+ goto Err;
+ }
+ if(m.tag != HFinished) {+- fprint(2, "tlsClient nepm=%d\n", nepm);
+ tlsError(c, EUnexpectedMessage, "expected a Finished msg from server");
+ goto Err;
+ }
+@@ -820,43 +1229,37 @@
+ trace("unable to do final open: %r\n");+ goto Err;
+ }
+- tlsSecOk(c->sec);
+ return c;
+
+ Err:
+ free(epm);
+ msgClear(&m);
+ tlsConnectionFree(c);
+- return 0;
++ return nil;
+ }
+
+
+ //================= message functions ========================
+
+-static uchar sendbuf[9000], *sendp;
+-
+ static void
+ msgHash(TlsConnection *c, uchar *p, int n)
+ {+- md5(p, n, 0, &c->hs.md5);
+- sha1(p, n, 0, &c->hs.sha1);
++ md5(p, n, 0, &c->handhash.md5);
++ sha1(p, n, 0, &c->handhash.sha1);
+ if(c->version >= TLS12Version)
+- sha2_256(p, n, 0, &c->hs.sha2_256);
+- else
+- memset(&c->hs.sha2_256, 0, sizeof c->hs.sha2_256);
++ sha2_256(p, n, 0, &c->handhash.sha2_256);
+ }
+
+ static int
+ msgSend(TlsConnection *c, Msg *m, int act)
+ {+- uchar *p; // sendp = start of new message; p = write pointer
+- int nn, n, i;
++ uchar *p, *e; // sendp = start of new message; p = write pointer; e = end pointer
++ int n, i;
+
+- if(sendp == nil)
+- sendp = sendbuf;
+- p = sendp;
++ p = c->sendp;
++ e = &c->buf[sizeof(c->buf)];
+ if(c->trace)
+- c->trace("send %s", msgPrint((char*)p, (sizeof sendbuf) - (p-sendbuf), m));++ c->trace("send %s", msgPrint((char*)p, e - p, m));+
+ p[0] = m->tag; // header - fill in size later
+ p += 4;
+@@ -866,123 +1269,162 @@
+ tlsError(c, EInternalError, "can't encode a %d", m->tag);
+ goto Err;
+ case HClientHello:
+- // version
+- put16(p, m->u.clientHello.version);
+- p += 2;
+-
+- // random
++ if(p+2+RandomSize > e)
++ goto Overflow;
++ put16(p, m->u.clientHello.version), p += 2;
+ memmove(p, m->u.clientHello.random, RandomSize);
+ p += RandomSize;
+
+- // sid
+- n = m->u.clientHello.sid->len;
+- assert(n < 256);
+- p[0] = n;
+- memmove(p+1, m->u.clientHello.sid->data, n);
+- p += n+1;
+-
+- n = m->u.clientHello.ciphers->len;
+- assert(n > 0 && n < 200);
+- put16(p, n*2);
+- p += 2;
+- for(i=0; i<n; i++) {+- put16(p, m->u.clientHello.ciphers->data[i]);
+- p += 2;
+- }
++ if(p+1+(n = m->u.clientHello.sid->len) > e)
++ goto Overflow;
++ *p++ = n;
++ memmove(p, m->u.clientHello.sid->data, n);
++ p += n;
+
+- n = m->u.clientHello.compressors->len;
+- assert(n > 0);
+- p[0] = n;
+- memmove(p+1, m->u.clientHello.compressors->data, n);
+- p += n+1;
+-
+- if(m->u.clientHello.sigAlgs != nil) {+- n = m->u.clientHello.sigAlgs->len;
+- put16(p, 6 + 2*n); /* length of extensions */
+- put16(p+2, ExtSigalgs);
+- put16(p+4, 2 + 2*n); /* length of extension content */
+- put16(p+6, 2*n); /* length of algorithm list */
+- p += 8;
+- for(i = 0; i < n; i++) {+- put16(p, m->u.clientHello.sigAlgs->data[i]);
+- p += 2;
+- }
+- }
++ if(p+2+(n = m->u.clientHello.ciphers->len) > e)
++ goto Overflow;
++ put16(p, n*2), p += 2;
++ for(i=0; i<n; i++)
++ put16(p, m->u.clientHello.ciphers->data[i]), p += 2;
++
++ if(p+1+(n = m->u.clientHello.compressors->len) > e)
++ goto Overflow;
++ *p++ = n;
++ memmove(p, m->u.clientHello.compressors->data, n);
++ p += n;
++
++ if(m->u.clientHello.extensions == nil
++ || (n = m->u.clientHello.extensions->len) == 0)
++ break;
++ if(p+2+n > e)
++ goto Overflow;
++ put16(p, n), p += 2;
++ memmove(p, m->u.clientHello.extensions->data, n);
++ p += n;
+ break;
+ case HServerHello:
+- put16(p, m->u.serverHello.version);
+- p += 2;
+-
+- // random
++ if(p+2+RandomSize > e)
++ goto Overflow;
++ put16(p, m->u.serverHello.version), p += 2;
+ memmove(p, m->u.serverHello.random, RandomSize);
+ p += RandomSize;
+
+- // sid
+- n = m->u.serverHello.sid->len;
+- assert(n < 256);
+- p[0] = n;
+- memmove(p+1, m->u.serverHello.sid->data, n);
+- p += n+1;
+-
+- put16(p, m->u.serverHello.cipher);
+- p += 2;
+- p[0] = m->u.serverHello.compressor;
+- p += 1;
++ if(p+1+(n = m->u.serverHello.sid->len) > e)
++ goto Overflow;
++ *p++ = n;
++ memmove(p, m->u.serverHello.sid->data, n);
++ p += n;
++
++ if(p+2+1 > e)
++ goto Overflow;
++ put16(p, m->u.serverHello.cipher), p += 2;
++ *p++ = m->u.serverHello.compressor;
++
++ if(m->u.serverHello.extensions == nil
++ || (n = m->u.serverHello.extensions->len) == 0)
++ break;
++ if(p+2+n > e)
++ goto Overflow;
++ put16(p, n), p += 2;
++ memmove(p, m->u.serverHello.extensions->data, n);
++ p += n;
+ break;
+ case HServerHelloDone:
+ break;
+ case HCertificate:
+- nn = 0;
++ n = 0;
+ for(i = 0; i < m->u.certificate.ncert; i++)
+- nn += 3 + m->u.certificate.certs[i]->len;
+- if(p + 3 + nn - sendbuf > sizeof(sendbuf)) {+- tlsError(c, EInternalError, "output buffer too small for certificate");
+- goto Err;
+- }
+- put24(p, nn);
+- p += 3;
++ n += 3 + m->u.certificate.certs[i]->len;
++ if(p+3+n > e)
++ goto Overflow;
++ put24(p, n), p += 3;
+ for(i = 0; i < m->u.certificate.ncert; i++){+- put24(p, m->u.certificate.certs[i]->len);
+- p += 3;
+- memmove(p, m->u.certificate.certs[i]->data, m->u.certificate.certs[i]->len);
+- p += m->u.certificate.certs[i]->len;
++ n = m->u.certificate.certs[i]->len;
++ put24(p, n), p += 3;
++ memmove(p, m->u.certificate.certs[i]->data, n);
++ p += n;
++ }
++ break;
++ case HCertificateVerify:
++ if(p+2+2+(n = m->u.certificateVerify.signature->len) > e)
++ goto Overflow;
++ if(m->u.certificateVerify.sigalg != 0)
++ put16(p, m->u.certificateVerify.sigalg), p += 2;
++ put16(p, n), p += 2;
++ memmove(p, m->u.certificateVerify.signature->data, n);
++ p += n;
++ break;
++ case HServerKeyExchange:
++ if(m->u.serverKeyExchange.pskid != nil){++ if(p+2+(n = m->u.serverKeyExchange.pskid->len) > e)
++ goto Overflow;
++ put16(p, n), p += 2;
++ memmove(p, m->u.serverKeyExchange.pskid->data, n);
++ p += n;
+ }
++ if(m->u.serverKeyExchange.dh_parameters == nil)
++ break;
++ if(p+(n = m->u.serverKeyExchange.dh_parameters->len) > e)
++ goto Overflow;
++ memmove(p, m->u.serverKeyExchange.dh_parameters->data, n);
++ p += n;
++ if(m->u.serverKeyExchange.dh_signature == nil)
++ break;
++ if(p+2+2+(n = m->u.serverKeyExchange.dh_signature->len) > e)
++ goto Overflow;
++ if(c->version >= TLS12Version)
++ put16(p, m->u.serverKeyExchange.sigalg), p += 2;
++ put16(p, n), p += 2;
++ memmove(p, m->u.serverKeyExchange.dh_signature->data, n);
++ p += n;
+ break;
+ case HClientKeyExchange:
+- n = m->u.clientKeyExchange.key->len;
+- if(c->version != SSL3Version){+- put16(p, n);
+- p += 2;
++ if(m->u.clientKeyExchange.pskid != nil){++ if(p+2+(n = m->u.clientKeyExchange.pskid->len) > e)
++ goto Overflow;
++ put16(p, n), p += 2;
++ memmove(p, m->u.clientKeyExchange.pskid->data, n);
++ p += n;
+ }
++ if(m->u.clientKeyExchange.key == nil)
++ break;
++ if(p+2+(n = m->u.clientKeyExchange.key->len) > e)
++ goto Overflow;
++ if(isECDHE(c->cipher))
++ *p++ = n;
++ else if(isDHE(c->cipher) || c->version != SSL3Version)
++ put16(p, n), p += 2;
+ memmove(p, m->u.clientKeyExchange.key->data, n);
+ p += n;
+ break;
+ case HFinished:
++ if(p+m->u.finished.n > e)
++ goto Overflow;
+ memmove(p, m->u.finished.verify, m->u.finished.n);
+ p += m->u.finished.n;
+ break;
+ }
+
+ // go back and fill in size
+- n = p-sendp;
+- assert(p <= sendbuf+sizeof(sendbuf));
+- put24(sendp+1, n-4);
++ n = p - c->sendp;
++ put24(c->sendp+1, n-4);
+
+ // remember hash of Handshake messages
+- if(m->tag != HHelloRequest) {+- msgHash(c, sendp, n);
+- }
++ if(m->tag != HHelloRequest)
++ msgHash(c, c->sendp, n);
+
+- sendp = p;
++ c->sendp = p;
+ if(act == AFlush){+- sendp = sendbuf;
+- if(write(c->hand, sendbuf, p-sendbuf) < 0){++ c->sendp = c->buf;
++ if(write(c->hand, c->buf, p - c->buf) < 0){+ fprint(2, "write error: %r\n");
+ goto Err;
+ }
+ }
+ msgClear(m);
+ return 1;
++Overflow:
++ tlsError(c, EInternalError, "not enougth send buffer for message (%d)", m->tag);
+ Err:
+ msgClear(m);
+ return 0;
+@@ -991,34 +1433,27 @@
+ static uchar*
+ tlsReadN(TlsConnection *c, int n)
+ {+- uchar *p;
+- int nn, nr;
++ uchar *p, *w, *e;
+
+- nn = c->ep - c->rp;
+- if(nn < n){+- if(c->rp != c->buf){+- memmove(c->buf, c->rp, nn);
+- c->rp = c->buf;
+- c->ep = &c->buf[nn];
+- }
+- for(; nn < n; nn += nr) {+- nr = read(c->hand, &c->rp[nn], n - nn);
+- if(nr <= 0)
+- return nil;
+- c->ep += nr;
+- }
++ e = &c->buf[sizeof(c->buf)];
++ p = e - n;
++ if(n > sizeof(c->buf) || p < c->sendp){++ tlsError(c, EDecodeError, "handshake message too long %d", n);
++ return nil;
+ }
+- p = c->rp;
+- c->rp += n;
++ for(w = p; w < e; w += n)
++ if((n = read(c->hand, w, e - w)) <= 0)
++ return nil;
+ return p;
+ }
+
+ static int
+ msgRecv(TlsConnection *c, Msg *m)
+ {+- uchar *p;
+- int type, n, nn, nx, i, nsid, nrandom, nciph;
++ uchar *p, *s;
++ int type, n, nn, i;
+
++ msgClear(m);
+ for(;;) {+ p = tlsReadN(c, 4);
+ if(p == nil)
+@@ -1034,15 +1469,12 @@
+ }
+ }
+
+- if(n > sizeof(c->buf)) {+- tlsError(c, EDecodeError, "handshake message too long %d %d", n, sizeof(c->buf));
+- return 0;
+- }
+-
+ if(type == HSSL2ClientHello){+ /* Cope with an SSL3 ClientHello expressed in SSL2 record format.
+ This is sent by some clients that we must interoperate
+ with, such as Java's JSSE and Microsoft's Internet Explorer. */
++ int nsid, nrandom, nciph;
++
+ p = tlsReadN(c, n);
+ if(p == nil)
+ return 0;
+@@ -1059,10 +1491,8 @@
+ p += 6;
+ n -= 6;
+ if(nsid != 0 /* no sid's, since shouldn't restart using ssl2 header */
+- || nrandom < 16 || nn % 3)
++ || nrandom < 16 || nn % 3 || n - nrandom < nn)
+ goto Err;
+- if(c->trace && (n - nrandom != nn))
+- c->trace("n-nrandom!=nn: n=%d nrandom=%d nn=%d\n", n, nrandom, nn);+ /* ignore ssl2 ciphers and look for {0x00, ssl3 cipher} */+ nciph = 0;
+ for(i = 0; i < nn; i += 3)
+@@ -1083,7 +1513,6 @@
+ m->u.clientHello.compressors->data[0] = CompressionNull;
+ goto Ok;
+ }
+-
+ msgHash(c, p, 4);
+
+ p = tlsReadN(c, n);
+@@ -1102,14 +1531,12 @@
+ if(n < 2)
+ goto Short;
+ m->u.clientHello.version = get16(p);
+- p += 2;
+- n -= 2;
++ p += 2, n -= 2;
+
+ if(n < RandomSize)
+ goto Short;
+ memmove(m->u.clientHello.random, p, RandomSize);
+- p += RandomSize;
+- n -= RandomSize;
++ p += RandomSize, n -= RandomSize;
+ if(n < 1 || n < p[0]+1)
+ goto Short;
+ m->u.clientHello.sid = makebytes(p+1, p[0]);
+@@ -1119,69 +1546,39 @@
+ if(n < 2)
+ goto Short;
+ nn = get16(p);
+- p += 2;
+- n -= 2;
++ p += 2, n -= 2;
+
+ if((nn & 1) || n < nn || nn < 2)
+ goto Short;
+ m->u.clientHello.ciphers = newints(nn >> 1);
+ for(i = 0; i < nn; i += 2)
+ m->u.clientHello.ciphers->data[i >> 1] = get16(&p[i]);
+- p += nn;
+- n -= nn;
++ p += nn, n -= nn;
+
+ if(n < 1 || n < p[0]+1 || p[0] == 0)
+ goto Short;
+ nn = p[0];
+- m->u.clientHello.compressors = newbytes(nn);
+- memmove(m->u.clientHello.compressors->data, p+1, nn);
+- p += nn + 1;
+- n -= nn + 1;
++ m->u.clientHello.compressors = makebytes(p+1, nn);
++ p += nn + 1, n -= nn + 1;
+
+- /* extensions */
+- if(n == 0)
+- break;
+ if(n < 2)
++ break;
++ nn = get16(p);
++ if(nn > n-2)
+ goto Short;
+- nx = get16(p);
+- p += 2;
+- n -= 2;
+- while(nx > 0){+- if(n < nx || nx < 4)
+- goto Short;
+- i = get16(p);
+- nn = get16(p+2);
+- if(nx < nn+4)
+- goto Short;
+- nx -= nn+4;
+- p += 4;
+- n -= 4;
+- if(i == ExtSigalgs){+- if(get16(p) != nn-2)
+- goto Short;
+- p += 2;
+- n -= 2;
+- nn -= 2;
+- m->u.clientHello.sigAlgs = newints(nn/2);
+- for(i = 0; i < nn; i += 2)
+- m->u.clientHello.sigAlgs->data[i >> 1] = get16(&p[i]);
+- }
+- p += nn;
+- n -= nn;
+- }
++ m->u.clientHello.extensions = makebytes(p+2, nn);
++ n -= nn + 2;
+ break;
+ case HServerHello:
+ if(n < 2)
+ goto Short;
+ m->u.serverHello.version = get16(p);
+- p += 2;
+- n -= 2;
++ p += 2, n -= 2;
+
+ if(n < RandomSize)
+ goto Short;
+ memmove(m->u.serverHello.random, p, RandomSize);
+- p += RandomSize;
+- n -= RandomSize;
++ p += RandomSize, n -= RandomSize;
+
+ if(n < 1 || n < p[0]+1)
+ goto Short;
+@@ -1193,15 +1590,22 @@
+ goto Short;
+ m->u.serverHello.cipher = get16(p);
+ m->u.serverHello.compressor = p[2];
+- n -= 3;
++ p += 3, n -= 3;
++
++ if(n < 2)
++ break;
++ nn = get16(p);
++ if(nn > n-2)
++ goto Short;
++ m->u.serverHello.extensions = makebytes(p+2, nn);
++ n -= nn + 2;
+ break;
+ case HCertificate:
+ if(n < 3)
+ goto Short;
+ nn = get24(p);
+- p += 3;
+- n -= 3;
+- if(n != nn)
++ p += 3, n -= 3;
++ if(nn == 0 && n > 0)
+ goto Short;
+ /* certs */
+ i = 0;
+@@ -1209,15 +1613,13 @@
+ if(n < 3)
+ goto Short;
+ nn = get24(p);
+- p += 3;
+- n -= 3;
++ p += 3, n -= 3;
+ if(nn > n)
+ goto Short;
+ m->u.certificate.ncert = i+1;
+- m->u.certificate.certs = erealloc(m->u.certificate.certs, (i+1)*sizeof(Bytes));
++ m->u.certificate.certs = erealloc(m->u.certificate.certs, (i+1)*sizeof(Bytes*));
+ m->u.certificate.certs[i] = makebytes(p, nn);
+- p += nn;
+- n -= nn;
++ p += nn, n -= nn;
+ i++;
+ }
+ break;
+@@ -1225,18 +1627,28 @@
+ if(n < 1)
+ goto Short;
+ nn = p[0];
+- p += 1;
+- n -= 1;
+- if(nn < 1 || nn > n)
++ p++, n--;
++ if(nn > n)
+ goto Short;
+ m->u.certificateRequest.types = makebytes(p, nn);
+- p += nn;
+- n -= nn;
++ p += nn, n -= nn;
++ if(c->version >= TLS12Version){++ if(n < 2)
++ goto Short;
++ nn = get16(p);
++ p += 2, n -= 2;
++ if(nn & 1)
++ goto Short;
++ m->u.certificateRequest.sigalgs = newints(nn>>1);
++ for(i = 0; i < nn; i += 2)
++ m->u.certificateRequest.sigalgs->data[i >> 1] = get16(&p[i]);
++ p += nn, n -= nn;
++
++ }
+ if(n < 2)
+ goto Short;
+ nn = get16(p);
+- p += 2;
+- n -= 2;
++ p += 2, n -= 2;
+ /* nn == 0 can happen; yahoo's servers do it */
+ if(nn != n)
+ goto Short;
+@@ -1246,35 +1658,116 @@
+ if(n < 2)
+ goto Short;
+ nn = get16(p);
+- p += 2;
+- n -= 2;
++ p += 2, n -= 2;
+ if(nn < 1 || nn > n)
+ goto Short;
+ m->u.certificateRequest.nca = i+1;
+ m->u.certificateRequest.cas = erealloc(
+- m->u.certificateRequest.cas, (i+1)*sizeof(Bytes));
++ m->u.certificateRequest.cas, (i+1)*sizeof(Bytes*));
+ m->u.certificateRequest.cas[i] = makebytes(p, nn);
+- p += nn;
+- n -= nn;
++ p += nn, n -= nn;
+ i++;
+ }
+ break;
+ case HServerHelloDone:
+ break;
++ case HServerKeyExchange:
++ if(isPSK(c->cipher)){++ if(n < 2)
++ goto Short;
++ nn = get16(p);
++ p += 2, n -= 2;
++ if(nn > n)
++ goto Short;
++ m->u.serverKeyExchange.pskid = makebytes(p, nn);
++ p += nn, n -= nn;
++ if(n == 0)
++ break;
++ }
++ if(n < 2)
++ goto Short;
++ s = p;
++ if(isECDHE(c->cipher)){++ nn = *p;
++ p++, n--;
++ if(nn != 3 || nn > n) /* not a named curve */
++ goto Short;
++ nn = get16(p);
++ p += 2, n -= 2;
++ m->u.serverKeyExchange.curve = nn;
++
++ nn = *p++, n--;
++ if(nn < 1 || nn > n)
++ goto Short;
++ m->u.serverKeyExchange.dh_Ys = makebytes(p, nn);
++ p += nn, n -= nn;
++ }else if(isDHE(c->cipher)){++ nn = get16(p);
++ p += 2, n -= 2;
++ if(nn < 1 || nn > n)
++ goto Short;
++ m->u.serverKeyExchange.dh_p = makebytes(p, nn);
++ p += nn, n -= nn;
++
++ if(n < 2)
++ goto Short;
++ nn = get16(p);
++ p += 2, n -= 2;
++ if(nn < 1 || nn > n)
++ goto Short;
++ m->u.serverKeyExchange.dh_g = makebytes(p, nn);
++ p += nn, n -= nn;
++
++ if(n < 2)
++ goto Short;
++ nn = get16(p);
++ p += 2, n -= 2;
++ if(nn < 1 || nn > n)
++ goto Short;
++ m->u.serverKeyExchange.dh_Ys = makebytes(p, nn);
++ p += nn, n -= nn;
++ } else {++ /* should not happen */
++ goto Short;
++ }
++ m->u.serverKeyExchange.dh_parameters = makebytes(s, p - s);
++ if(n >= 2){++ m->u.serverKeyExchange.sigalg = 0;
++ if(c->version >= TLS12Version){++ m->u.serverKeyExchange.sigalg = get16(p);
++ p += 2, n -= 2;
++ if(n < 2)
++ goto Short;
++ }
++ nn = get16(p);
++ p += 2, n -= 2;
++ if(nn > 0 && nn <= n){++ m->u.serverKeyExchange.dh_signature = makebytes(p, nn);
++ n -= nn;
++ }
++ }
++ break;
+ case HClientKeyExchange:
+- /*
+- * this message depends upon the encryption selected
+- * assume rsa.
+- */
+- if(c->version == SSL3Version)
+- nn = n;
+- else{++ if(isPSK(c->cipher)){+ if(n < 2)
+ goto Short;
+ nn = get16(p);
+- p += 2;
+- n -= 2;
++ p += 2, n -= 2;
++ if(nn > n)
++ goto Short;
++ m->u.clientKeyExchange.pskid = makebytes(p, nn);
++ p += nn, n -= nn;
++ if(n == 0)
++ break;
+ }
++ if(n < 2)
++ goto Short;
++ if(isECDHE(c->cipher))
++ nn = *p++, n--;
++ else if(isDHE(c->cipher) || c->version != SSL3Version)
++ nn = get16(p), p += 2, n -= 2;
++ else
++ nn = n;
+ if(n < nn)
+ goto Short;
+ m->u.clientKeyExchange.key = makebytes(p, nn);
+@@ -1289,18 +1782,14 @@
+ break;
+ }
+
+- if(type != HClientHello && n != 0)
++ if(n != 0 && type != HClientHello && type != HServerHello)
+ goto Short;
+ Ok:
+- if(c->trace){+- char *buf;
+- buf = emalloc(8000);
+- c->trace("recv %s", msgPrint(buf, 8000, m));+- free(buf);
+- }
++ if(c->trace)
++ c->trace("recv %s", msgPrint((char*)c->sendp, &c->buf[sizeof(c->buf)] - c->sendp, m));+ return 1;
+ Short:
+- tlsError(c, EDecodeError, "handshake message has invalid length");
++ tlsError(c, EDecodeError, "handshake message (%d) has invalid length", type);
+ Err:
+ msgClear(m);
+ return 0;
+@@ -1312,19 +1801,17 @@
+ int i;
+
+ switch(m->tag) {+- default:
+- sysfatal("msgClear: unknown message type: %d", m->tag);+ case HHelloRequest:
+ break;
+ case HClientHello:
+ freebytes(m->u.clientHello.sid);
+ freeints(m->u.clientHello.ciphers);
+- m->u.clientHello.ciphers = nil;
+ freebytes(m->u.clientHello.compressors);
+- freeints(m->u.clientHello.sigAlgs);
++ freebytes(m->u.clientHello.extensions);
+ break;
+ case HServerHello:
+- freebytes(m->u.clientHello.sid);
++ freebytes(m->u.serverHello.sid);
++ freebytes(m->u.serverHello.extensions);
+ break;
+ case HCertificate:
+ for(i=0; i<m->u.certificate.ncert; i++)
+@@ -1333,13 +1820,26 @@
+ break;
+ case HCertificateRequest:
+ freebytes(m->u.certificateRequest.types);
++ freeints(m->u.certificateRequest.sigalgs);
+ for(i=0; i<m->u.certificateRequest.nca; i++)
+ freebytes(m->u.certificateRequest.cas[i]);
+ free(m->u.certificateRequest.cas);
+ break;
++ case HCertificateVerify:
++ freebytes(m->u.certificateVerify.signature);
++ break;
+ case HServerHelloDone:
+ break;
++ case HServerKeyExchange:
++ freebytes(m->u.serverKeyExchange.pskid);
++ freebytes(m->u.serverKeyExchange.dh_p);
++ freebytes(m->u.serverKeyExchange.dh_g);
++ freebytes(m->u.serverKeyExchange.dh_Ys);
++ freebytes(m->u.serverKeyExchange.dh_parameters);
++ freebytes(m->u.serverKeyExchange.dh_signature);
++ break;
+ case HClientKeyExchange:
++ freebytes(m->u.clientKeyExchange.pskid);
+ freebytes(m->u.clientKeyExchange.key);
+ break;
+ case HFinished:
+@@ -1355,13 +1855,14 @@
+
+ if(s0)
+ bs = seprint(bs, be, "%s", s0);
+- bs = seprint(bs, be, "[");
+ if(b == nil)
+ bs = seprint(bs, be, "nil");
+- else
++ else {++ bs = seprint(bs, be, "<%d> [ ", b->len);
+ for(i=0; i<b->len; i++)
+ bs = seprint(bs, be, "%.2x ", b->data[i]);
+- bs = seprint(bs, be, "]");
++ bs = seprint(bs, be, "]");
++ }
+ if(s1)
+ bs = seprint(bs, be, "%s", s1);
+ return bs;
+@@ -1374,13 +1875,14 @@
+
+ if(s0)
+ bs = seprint(bs, be, "%s", s0);
+- bs = seprint(bs, be, "[");
+ if(b == nil)
+ bs = seprint(bs, be, "nil");
+- else
++ else {++ bs = seprint(bs, be, "[ ");
+ for(i=0; i<b->len; i++)
+ bs = seprint(bs, be, "%x ", b->data[i]);
+- bs = seprint(bs, be, "]");
++ bs = seprint(bs, be, "]");
++ }
+ if(s1)
+ bs = seprint(bs, be, "%s", s1);
+ return bs;
+@@ -1406,8 +1908,8 @@
+ bs = bytesPrint(bs, be, "\tsid: ", m->u.clientHello.sid, "\n");
+ bs = intsPrint(bs, be, "\tciphers: ", m->u.clientHello.ciphers, "\n");
+ bs = bytesPrint(bs, be, "\tcompressors: ", m->u.clientHello.compressors, "\n");
+- if(m->u.clientHello.sigAlgs != nil)
+- bs = intsPrint(bs, be, "\tsigAlgs: ", m->u.clientHello.sigAlgs, "\n");
++ if(m->u.clientHello.extensions != nil)
++ bs = bytesPrint(bs, be, "\textensions: ", m->u.clientHello.extensions, "\n");
+ break;
+ case HServerHello:
+ bs = seprint(bs, be, "ServerHello\n");
+@@ -1419,6 +1921,8 @@
+ bs = bytesPrint(bs, be, "\tsid: ", m->u.serverHello.sid, "\n");
+ bs = seprint(bs, be, "\tcipher: %.4x\n", m->u.serverHello.cipher);
+ bs = seprint(bs, be, "\tcompressor: %.2x\n", m->u.serverHello.compressor);
++ if(m->u.serverHello.extensions != nil)
++ bs = bytesPrint(bs, be, "\textensions: ", m->u.serverHello.extensions, "\n");
+ break;
+ case HCertificate:
+ bs = seprint(bs, be, "Certificate\n");
+@@ -1428,16 +1932,45 @@
+ case HCertificateRequest:
+ bs = seprint(bs, be, "CertificateRequest\n");
+ bs = bytesPrint(bs, be, "\ttypes: ", m->u.certificateRequest.types, "\n");
++ if(m->u.certificateRequest.sigalgs != nil)
++ bs = intsPrint(bs, be, "\tsigalgs: ", m->u.certificateRequest.sigalgs, "\n");
+ bs = seprint(bs, be, "\tcertificateauthorities\n");
+ for(i=0; i<m->u.certificateRequest.nca; i++)
+ bs = bytesPrint(bs, be, "\t\t", m->u.certificateRequest.cas[i], "\n");
+ break;
++ case HCertificateVerify:
++ bs = seprint(bs, be, "HCertificateVerify\n");
++ if(m->u.certificateVerify.sigalg != 0)
++ bs = seprint(bs, be, "\tsigalg: %.4x\n", m->u.certificateVerify.sigalg);
++ bs = bytesPrint(bs, be, "\tsignature: ", m->u.certificateVerify.signature,"\n");
++ break;
+ case HServerHelloDone:
+ bs = seprint(bs, be, "ServerHelloDone\n");
+ break;
++ case HServerKeyExchange:
++ bs = seprint(bs, be, "HServerKeyExchange\n");
++ if(m->u.serverKeyExchange.pskid != nil)
++ bs = bytesPrint(bs, be, "\tpskid: ", m->u.serverKeyExchange.pskid, "\n");
++ if(m->u.serverKeyExchange.dh_parameters == nil)
++ break;
++ if(m->u.serverKeyExchange.curve != 0){++ bs = seprint(bs, be, "\tcurve: %.4x\n", m->u.serverKeyExchange.curve);
++ } else {++ bs = bytesPrint(bs, be, "\tdh_p: ", m->u.serverKeyExchange.dh_p, "\n");
++ bs = bytesPrint(bs, be, "\tdh_g: ", m->u.serverKeyExchange.dh_g, "\n");
++ }
++ bs = bytesPrint(bs, be, "\tdh_Ys: ", m->u.serverKeyExchange.dh_Ys, "\n");
++ if(m->u.serverKeyExchange.sigalg != 0)
++ bs = seprint(bs, be, "\tsigalg: %.4x\n", m->u.serverKeyExchange.sigalg);
++ bs = bytesPrint(bs, be, "\tdh_parameters: ", m->u.serverKeyExchange.dh_parameters, "\n");
++ bs = bytesPrint(bs, be, "\tdh_signature: ", m->u.serverKeyExchange.dh_signature, "\n");
++ break;
+ case HClientKeyExchange:
+ bs = seprint(bs, be, "HClientKeyExchange\n");
+- bs = bytesPrint(bs, be, "\tkey: ", m->u.clientKeyExchange.key, "\n");
++ if(m->u.clientKeyExchange.pskid != nil)
++ bs = bytesPrint(bs, be, "\tpskid: ", m->u.clientKeyExchange.pskid, "\n");
++ if(m->u.clientKeyExchange.key != nil)
++ bs = bytesPrint(bs, be, "\tkey: ", m->u.clientKeyExchange.key, "\n");
+ break;
+ case HFinished:
+ bs = seprint(bs, be, "HFinished\n");
+@@ -1461,10 +1994,10 @@
+ va_end(arg);
+ if(c->trace)
+ c->trace("tlsError: %s\n", msg);+- else if(c->erred)
++ if(c->erred)
+ fprint(2, "double error: %r, %s", msg);
+ else
+- werrstr("tls: local %s", msg);++ errstr(msg, sizeof(msg));
+ c->erred = 1;
+ fprint(c->ctl, "alert %d", err);
+ }
+@@ -1473,24 +2006,17 @@
+ static int
+ setVersion(TlsConnection *c, int version)
+ {+- if(c->verset || version > MaxProtoVersion || version < MinProtoVersion)
++ if(version > MaxProtoVersion || version < MinProtoVersion)
+ return -1;
+ if(version > c->version)
+ version = c->version;
+- switch(version) {+- case SSL3Version:
++ if(version == SSL3Version) {++ c->version = version;
+ c->finished.n = SSL3FinishedLen;
+- return -1;
+- case TLS10Version:
+- case TLS11Version:
+- case TLS12Version:
++ }else {++ c->version = version;
+ c->finished.n = TLSFinishedLen;
+- break;
+- default:
+- return -1;
+ }
+- c->version = version;
+- c->verset = 1;
+ return fprint(c->ctl, "version 0x%x", version);
+ }
+
+@@ -1498,7 +2024,7 @@
+ static int
+ finishedMatch(TlsConnection *c, Finished *f)
+ {+- return memcmp(f->verify, c->finished.verify, f->n) == 0;
++ return tsmemcmp(f->verify, c->finished.verify, f->n) == 0;
+ }
+
+ // free memory associated with TlsConnection struct
+@@ -1506,47 +2032,89 @@
+ static void
+ tlsConnectionFree(TlsConnection *c)
+ {+- tlsSecClose(c->sec);
+- freebytes(c->sid);
++ if(c == nil)
++ return;
++
++ dh_finish(&c->sec->dh, nil);
++
++ mpfree(c->sec->ec.Q.x);
++ mpfree(c->sec->ec.Q.y);
++ mpfree(c->sec->ec.Q.d);
++ ecdomfree(&c->sec->ec.dom);
++
++ factotum_rsa_close(c->sec->rpc);
++ rsapubfree(c->sec->rsapub);
+ freebytes(c->cert);
+- memset(c, 0, sizeof *c);
++
++ memset(c, 0, sizeof(*c));
+ free(c);
+ }
+
+
+ //================= cipher choices ========================
+
+-static int weakCipher[CipherMax] =
++static int
++isDHE(int tlsid)
++{++ switch(tlsid){++ case TLS_DHE_RSA_WITH_AES_128_GCM_SHA256:
++ case TLS_DHE_RSA_WITH_AES_128_CBC_SHA256:
++ case TLS_DHE_RSA_WITH_AES_128_CBC_SHA:
++ case TLS_DHE_RSA_WITH_AES_256_CBC_SHA:
++ case TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA:
++ case TLS_DHE_RSA_WITH_CHACHA20_POLY1305:
++ case GOOGLE_DHE_RSA_WITH_CHACHA20_POLY1305:
++ return 1;
++ }
++ return 0;
++}
++
++static int
++isECDHE(int tlsid)
+ {+- 1, /* TLS_NULL_WITH_NULL_NULL */
+- 1, /* TLS_RSA_WITH_NULL_MD5 */
+- 1, /* TLS_RSA_WITH_NULL_SHA */
+- 1, /* TLS_RSA_EXPORT_WITH_RC4_40_MD5 */
+- 1, /* TLS_RSA_WITH_RC4_128_MD5 */
+- 1, /* TLS_RSA_WITH_RC4_128_SHA */
+- 1, /* TLS_RSA_EXPORT_WITH_RC2_CBC_40_MD5 */
+- 0, /* TLS_RSA_WITH_IDEA_CBC_SHA */
+- 1, /* TLS_RSA_EXPORT_WITH_DES40_CBC_SHA */
+- 0, /* TLS_RSA_WITH_DES_CBC_SHA */
+- 0, /* TLS_RSA_WITH_3DES_EDE_CBC_SHA */
+- 1, /* TLS_DH_DSS_EXPORT_WITH_DES40_CBC_SHA */
+- 0, /* TLS_DH_DSS_WITH_DES_CBC_SHA */
+- 0, /* TLS_DH_DSS_WITH_3DES_EDE_CBC_SHA */
+- 1, /* TLS_DH_RSA_EXPORT_WITH_DES40_CBC_SHA */
+- 0, /* TLS_DH_RSA_WITH_DES_CBC_SHA */
+- 0, /* TLS_DH_RSA_WITH_3DES_EDE_CBC_SHA */
+- 1, /* TLS_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA */
+- 0, /* TLS_DHE_DSS_WITH_DES_CBC_SHA */
+- 0, /* TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA */
+- 1, /* TLS_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA */
+- 0, /* TLS_DHE_RSA_WITH_DES_CBC_SHA */
+- 0, /* TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA */
+- 1, /* TLS_DH_anon_EXPORT_WITH_RC4_40_MD5 */
+- 1, /* TLS_DH_anon_WITH_RC4_128_MD5 */
+- 1, /* TLS_DH_anon_EXPORT_WITH_DES40_CBC_SHA */
+- 1, /* TLS_DH_anon_WITH_DES_CBC_SHA */
+- 1, /* TLS_DH_anon_WITH_3DES_EDE_CBC_SHA */
+-};
++ switch(tlsid){++ case TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305:
++ case TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305:
++
++ case GOOGLE_ECDHE_ECDSA_WITH_CHACHA20_POLY1305:
++ case GOOGLE_ECDHE_RSA_WITH_CHACHA20_POLY1305:
++
++ case TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256:
++ case TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256:
++
++ case TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256:
++ case TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256:
++ case TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA:
++ case TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA:
++ return 1;
++ }
++ return 0;
++}
++
++static int
++isPSK(int tlsid)
++{++ switch(tlsid){++ case TLS_PSK_WITH_CHACHA20_POLY1305:
++ case TLS_PSK_WITH_AES_128_CBC_SHA256:
++ case TLS_PSK_WITH_AES_128_CBC_SHA:
++ return 1;
++ }
++ return 0;
++}
++
++static int
++isECDSA(int tlsid)
++{++ switch(tlsid){++ case TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305:
++ case GOOGLE_ECDHE_ECDSA_WITH_CHACHA20_POLY1305:
++ case TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256:
++ case TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256:
++ return 1;
++ }
++ return 0;
++}
+
+ static int
+ setAlgs(TlsConnection *c, int a)
+@@ -1555,6 +2123,7 @@
+
+ for(i = 0; i < nelem(cipherAlgs); i++){+ if(cipherAlgs[i].tlsid == a){++ c->cipher = a;
+ c->enc = cipherAlgs[i].enc;
+ c->digest = cipherAlgs[i].digest;
+ c->nsecret = cipherAlgs[i].nsecret;
+@@ -1567,37 +2136,29 @@
+ }
+
+ static int
+-okCipher(Ints *cv)
++okCipher(Ints *cv, int ispsk)
+ {+- int weak, i, j, c;
++ int i, c;
+
+- weak = 1;
+- for(i = 0; i < cv->len; i++) {+- c = cv->data[i];
+- if(c >= CipherMax)
+- weak = 0;
+- else
+- weak &= weakCipher[c];
+- for(j = 0; j < nelem(cipherAlgs); j++)
+- if(cipherAlgs[j].ok && cipherAlgs[j].tlsid == c)
+- return c;
++ for(i = 0; i < nelem(cipherAlgs); i++) {++ c = cipherAlgs[i].tlsid;
++ if(!cipherAlgs[i].ok || isECDSA(c) || isDHE(c) || isPSK(c) != ispsk)
++ continue;
++ if(lookupid(cv, c) >= 0)
++ return c;
+ }
+- if(weak)
+- return -2;
+ return -1;
+ }
+
+ static int
+ okCompression(Bytes *cv)
+ {+- int i, j, c;
++ int i, c;
+
+- for(i = 0; i < cv->len; i++) {+- c = cv->data[i];
+- for(j = 0; j < nelem(compressors); j++) {+- if(compressors[j] == c)
+- return c;
+- }
++ for(i = 0; i < nelem(compressors); i++) {++ c = compressors[i];
++ if(memchr(cv->data, c, cv->len) != nil)
++ return c;
+ }
+ return -1;
+ }
+@@ -1617,18 +2178,16 @@
+ unlock(&ciphLock);
+ return nciphers;
+ }
+- j = open("#a/tls/encalgs", OREAD);++ j = open("#a/tls/encalgs", OREAD|OCEXEC);+ if(j < 0){+ werrstr("can't open #a/tls/encalgs: %r");+- unlock(&ciphLock);
+- return 0;
++ goto out;
+ }
+ n = read(j, s, MaxAlgF-1);
+ close(j);
+ if(n <= 0){+ werrstr("nothing in #a/tls/encalgs: %r");+- unlock(&ciphLock);
+- return 0;
++ goto out;
+ }
+ s[n] = 0;
+ n = getfields(s, flds, MaxAlgs, 1, " \t\r\n");
+@@ -1643,18 +2202,16 @@
+ cipherAlgs[i].ok = ok;
+ }
+
+- j = open("#a/tls/hashalgs", OREAD);++ j = open("#a/tls/hashalgs", OREAD|OCEXEC);+ if(j < 0){+ werrstr("can't open #a/tls/hashalgs: %r");+- unlock(&ciphLock);
+- return 0;
++ goto out;
+ }
+ n = read(j, s, MaxAlgF-1);
+ close(j);
+ if(n <= 0){+ werrstr("nothing in #a/tls/hashalgs: %r");+- unlock(&ciphLock);
+- return 0;
++ goto out;
+ }
+ s[n] = 0;
+ n = getfields(s, flds, MaxAlgs, 1, " \t\r\n");
+@@ -1670,70 +2227,61 @@
+ if(cipherAlgs[i].ok)
+ nciphers++;
+ }
++out:
+ unlock(&ciphLock);
+ return nciphers;
+ }
+
+ static Ints*
+-makeciphers(void)
++makeciphers(int ispsk)
+ {+ Ints *is;
+ int i, j;
+
+ is = newints(nciphers);
+ j = 0;
+- for(i = 0; i < nelem(cipherAlgs); i++){+- if(cipherAlgs[i].ok)
++ for(i = 0; i < nelem(cipherAlgs); i++)
++ if(cipherAlgs[i].ok && isPSK(cipherAlgs[i].tlsid) == ispsk)
+ is->data[j++] = cipherAlgs[i].tlsid;
+- }
++ is->len = j;
+ return is;
+ }
+
+
+-
+ //================= security functions ========================
+
+-// given X.509 certificate, set up connection to factotum
+-// for using corresponding private key
++// given a public key, set up connection to factotum
++// for using corresponding private key
+ static AuthRpc*
+-factotum_rsa_open(uchar *cert, int certlen)
++factotum_rsa_open(RSApub *rsapub)
+ {+ int afd;
+ char *s;
+- mpint *pub = nil;
+- RSApub *rsapub;
++ mpint *n;
+ AuthRpc *rpc;
+
+ // start talking to factotum
+- if((afd = open("/mnt/factotum/rpc", ORDWR)) < 0)++ if((afd = open("/mnt/factotum/rpc", ORDWR|OCEXEC)) < 0)+ return nil;
+ if((rpc = auth_allocrpc(afd)) == nil){+ close(afd);
+ return nil;
+ }
+ s = "proto=rsa service=tls role=client";
+- if(auth_rpc(rpc, "start", s, strlen(s)) != ARok){+- factotum_rsa_close(rpc);
+- return nil;
+- }
+-
+- // roll factotum keyring around to match certificate
+- rsapub = X509toRSApub(cert, certlen, nil, 0);
+- while(1){+- if(auth_rpc(rpc, "read", nil, 0) != ARok){+- factotum_rsa_close(rpc);
+- rpc = nil;
+- goto done;
+- }
+- pub = strtomp(rpc->arg, nil, 16, nil);
+- assert(pub != nil);
+- if(mpcmp(pub,rsapub->n) == 0)
+- break;
++ if(auth_rpc(rpc, "start", s, strlen(s)) == ARok){++ // roll factotum keyring around to match public key
++ n = mpnew(0);
++ while(auth_rpc(rpc, "read", nil, 0) == ARok){++ if(strtomp(rpc->arg, nil, 16, n) != nil
++ && mpcmp(n, rsapub->n) == 0){++ mpfree(n);
++ return rpc;
++ }
++ }
++ mpfree(n);
+ }
+-done:
+- mpfree(pub);
+- rsapubfree(rsapub);
+- return rpc;
++ factotum_rsa_close(rpc);
++ return nil;
+ }
+
+ static mpint*
+@@ -1742,20 +2290,23 @@
+ char *p;
+ int rv;
+
+- if((p = mptoa(cipher, 16, nil, 0)) == nil)
++ if(cipher == nil)
++ return nil;
++ p = mptoa(cipher, 16, nil, 0);
++ mpfree(cipher);
++ if(p == nil)
+ return nil;
+ rv = auth_rpc(rpc, "write", p, strlen(p));
+ free(p);
+ if(rv != ARok || auth_rpc(rpc, "read", nil, 0) != ARok)
+ return nil;
+- mpfree(cipher);
+ return strtomp(rpc->arg, nil, 16, nil);
+ }
+
+ static void
+-factotum_rsa_close(AuthRpc*rpc)
++factotum_rsa_close(AuthRpc *rpc)
+ {+- if(!rpc)
++ if(rpc == nil)
+ return;
+ close(rpc->afd);
+ auth_freerpc(rpc);
+@@ -1820,11 +2371,11 @@
+ }
+
+ static void
+-tlsPsha2_256(uchar *buf, int nbuf, uchar *key, int nkey, uchar *label, int nlabel, uchar *seed, int nseed)
++p_sha256(uchar *buf, int nbuf, uchar *key, int nkey, uchar *label, int nlabel, uchar *seed, int nseed)
+ {+ uchar ai[SHA2_256dlen], tmp[SHA2_256dlen];
+- int n;
+ SHAstate *s;
++ int n;
+
+ // generate a1
+ s = hmac_sha2_256(label, nlabel, key, nkey, nil, nil);
+@@ -1847,517 +2398,473 @@
+
+ // fill buf with md5(args)^sha1(args)
+ static void
+-tlsPRF(uchar *buf, int nbuf, uchar *key, int nkey, char *label, uchar *seed0, int nseed0, uchar *seed1, int nseed1)
++tls10PRF(uchar *buf, int nbuf, uchar *key, int nkey, char *label, uchar *seed0, int nseed0, uchar *seed1, int nseed1)
+ {+- int i;
+ int nlabel = strlen(label);
+ int n = (nkey + 1) >> 1;
+
+- for(i = 0; i < nbuf; i++)
+- buf[i] = 0;
++ memset(buf, 0, nbuf);
+ tlsPmd5(buf, nbuf, key, n, (uchar*)label, nlabel, seed0, nseed0, seed1, nseed1);
+ tlsPsha1(buf, nbuf, key+nkey-n, n, (uchar*)label, nlabel, seed0, nseed0, seed1, nseed1);
+ }
+
+-void
++static void
+ tls12PRF(uchar *buf, int nbuf, uchar *key, int nkey, char *label, uchar *seed0, int nseed0, uchar *seed1, int nseed1)
+ {+ uchar seed[2*RandomSize];
+- int nlabel = strlen(label);
+
++ assert(nseed0+nseed1 <= sizeof(seed));
+ memmove(seed, seed0, nseed0);
+ memmove(seed+nseed0, seed1, nseed1);
+- tlsPsha2_256(buf, nbuf, key, nkey, (uchar*)label, nlabel, seed, nseed0+nseed1);
++ p_sha256(buf, nbuf, key, nkey, (uchar*)label, strlen(label), seed, nseed0+nseed1);
+ }
+
+-/*
+- * for setting server session id's
+- */
+-static Lock sidLock;
+-static long maxSid = 1;
+-
+-/* the keys are verified to have the same public components
+- * and to function correctly with pkcs 1 encryption and decryption. */
+-static TlsSec*
+-tlsSecInits(int cvers, uchar *csid, int ncsid, uchar *crandom, uchar *ssid, int *nssid, uchar *srandom)
++static void
++sslPRF(uchar *buf, int nbuf, uchar *key, int nkey, char *label, uchar *seed0, int nseed0, uchar *seed1, int nseed1)
+ {+- TlsSec *sec = emalloc(sizeof(*sec));
+-
+- USED(csid); USED(ncsid); // ignore csid for now
+-
+- memmove(sec->crandom, crandom, RandomSize);
+- sec->clientVers = cvers;
+-
+- put32(sec->srandom, time(0));
+- genrandom(sec->srandom+4, RandomSize-4);
+- memmove(srandom, sec->srandom, RandomSize);
+-
+- /*
+- * make up a unique sid: use our pid, and and incrementing id
+- * can signal no sid by setting nssid to 0.
+- */
+- memset(ssid, 0, SidSize);
+- put32(ssid, getpid());
+- lock(&sidLock);
+- put32(ssid+4, maxSid++);
+- unlock(&sidLock);
+- *nssid = SidSize;
+- return sec;
+-}
++ uchar sha1dig[SHA1dlen], md5dig[MD5dlen], tmp[26];
++ DigestState *s;
++ int i, n, len;
+
+-static int
+-tlsSecSecrets(TlsSec *sec, int vers, uchar *epm, int nepm, uchar *kd, int nkd)
+-{+- if(epm != nil){+- if(setVers(sec, vers) < 0)
+- goto Err;
+- serverMasterSecret(sec, epm, nepm);
+- }else if(sec->vers != vers){+- werrstr("mismatched session versions");+- goto Err;
++ USED(label);
++ len = 1;
++ while(nbuf > 0){++ if(len > 26)
++ return;
++ for(i = 0; i < len; i++)
++ tmp[i] = 'A' - 1 + len;
++ s = sha1(tmp, len, nil, nil);
++ s = sha1(key, nkey, nil, s);
++ s = sha1(seed0, nseed0, nil, s);
++ sha1(seed1, nseed1, sha1dig, s);
++ s = md5(key, nkey, nil, nil);
++ md5(sha1dig, SHA1dlen, md5dig, s);
++ n = MD5dlen;
++ if(n > nbuf)
++ n = nbuf;
++ memmove(buf, md5dig, n);
++ buf += n;
++ nbuf -= n;
++ len++;
+ }
+- setSecrets(sec, kd, nkd);
+- return 0;
+-Err:
+- sec->ok = -1;
+- return -1;
+-}
+-
+-static TlsSec*
+-tlsSecInitc(int cvers, uchar *crandom)
+-{+- TlsSec *sec = emalloc(sizeof(*sec));
+- sec->clientVers = cvers;
+- put32(sec->crandom, time(0));
+- genrandom(sec->crandom+4, RandomSize-4);
+- memmove(crandom, sec->crandom, RandomSize);
+- return sec;
+ }
+
+-static int
+-tlsSecSecretc(TlsSec *sec, uchar *sid, int nsid, uchar *srandom, uchar *cert, int ncert, int vers, uchar **epm, int *nepm, uchar *kd, int nkd)
++static void
++sslSetFinished(TlsSec *sec, HandshakeHash hsh, uchar *finished, int isclient)
+ {+- RSApub *pub;
+-
+- pub = nil;
+-
+- USED(sid);
+- USED(nsid);
+-
+- memmove(sec->srandom, srandom, RandomSize);
+-
+- if(setVers(sec, vers) < 0)
+- goto Err;
++ DigestState *s;
++ uchar h0[MD5dlen], h1[SHA1dlen], pad[48];
++ char *label;
+
+- pub = X509toRSApub(cert, ncert, nil, 0);
+- if(pub == nil){+- werrstr("invalid x509/rsa certificate");+- goto Err;
+- }
+- if(clientMasterSecret(sec, pub, epm, nepm) < 0)
+- goto Err;
+- rsapubfree(pub);
+- setSecrets(sec, kd, nkd);
+- return 0;
++ if(isclient)
++ label = "CLNT";
++ else
++ label = "SRVR";
+
+-Err:
+- if(pub != nil)
+- rsapubfree(pub);
+- sec->ok = -1;
+- return -1;
+-}
++ md5((uchar*)label, 4, nil, &hsh.md5);
++ md5(sec->sec, MasterSecretSize, nil, &hsh.md5);
++ memset(pad, 0x36, 48);
++ md5(pad, 48, nil, &hsh.md5);
++ md5(nil, 0, h0, &hsh.md5);
++ memset(pad, 0x5C, 48);
++ s = md5(sec->sec, MasterSecretSize, nil, nil);
++ s = md5(pad, 48, nil, s);
++ md5(h0, MD5dlen, finished, s);
+
+-static int
+-tlsSecFinished(TlsSec *sec, HandHash hs, uchar *fin, int nfin, int isclient)
+-{+- if(sec->nfin != nfin){+- sec->ok = -1;
+- werrstr("invalid finished exchange");+- return -1;
+- }
+- hs.md5.malloced = 0;
+- hs.sha1.malloced = 0;
+- if(sec->setFinished == nil ){+- sec->ok = -1;
+- werrstr("nil sec->setFinished in tlsSecFinished");+- return -1;
+- }
+- (*sec->setFinished)(sec, hs, fin, isclient);
+- return 1;
++ sha1((uchar*)label, 4, nil, &hsh.sha1);
++ sha1(sec->sec, MasterSecretSize, nil, &hsh.sha1);
++ memset(pad, 0x36, 40);
++ sha1(pad, 40, nil, &hsh.sha1);
++ sha1(nil, 0, h1, &hsh.sha1);
++ memset(pad, 0x5C, 40);
++ s = sha1(sec->sec, MasterSecretSize, nil, nil);
++ s = sha1(pad, 40, nil, s);
++ sha1(h1, SHA1dlen, finished + MD5dlen, s);
+ }
+
++// fill "finished" arg with md5(args)^sha1(args)
+ static void
+-tlsSecOk(TlsSec *sec)
++tls10SetFinished(TlsSec *sec, HandshakeHash hsh, uchar *finished, int isclient)
+ {+- if(sec->ok == 0)
+- sec->ok = 1;
+-}
++ uchar h0[MD5dlen], h1[SHA1dlen];
++ char *label;
+
+-static void
+-tlsSecKill(TlsSec *sec)
+-{+- if(!sec)
+- return;
+- factotum_rsa_close(sec->rpc);
+- sec->ok = -1;
++ // get current hash value, but allow further messages to be hashed in
++ md5(nil, 0, h0, &hsh.md5);
++ sha1(nil, 0, h1, &hsh.sha1);
++
++ if(isclient)
++ label = "client finished";
++ else
++ label = "server finished";
++ tls10PRF(finished, TLSFinishedLen, sec->sec, MasterSecretSize, label, h0, MD5dlen, h1, SHA1dlen);
+ }
+
+ static void
+-tlsSecClose(TlsSec *sec)
++tls12SetFinished(TlsSec *sec, HandshakeHash hsh, uchar *finished, int isclient)
+ {+- if(!sec)
+- return;
+- factotum_rsa_close(sec->rpc);
+- free(sec->server);
+- free(sec);
+-}
++ uchar seed[SHA2_256dlen];
++ char *label;
+
+-static int
+-setVers(TlsSec *sec, int v)
+-{+- switch(v){+- case SSL3Version:
+- sec->setFinished = sslSetFinished;
+- sec->nfin = SSL3FinishedLen;
+- sec->prf = sslPRF;
+- break;
+- case TLS10Version:
+- case TLS11Version:
+- sec->setFinished = tlsSetFinished;
+- sec->nfin = TLSFinishedLen;
+- sec->prf = tlsPRF;
+- break;
+- case TLS12Version:
+- sec->setFinished = tls12SetFinished;
+- sec->nfin = TLSFinishedLen;
+- sec->prf = tls12PRF;
+- break;
+- default:
+- werrstr("invalid version");+- sec->setFinished = nil;
+- sec->prf = nil;
+- return -1;
+- }
+- sec->vers = v;
+- return 0;
+-}
++ // get current hash value, but allow further messages to be hashed in
++ sha2_256(nil, 0, seed, &hsh.sha2_256);
+
+-/*
+- * generate secret keys from the master secret.
+- *
+- * different crypto selections will require different amounts
+- * of key expansion and use of key expansion data,
+- * but it's all generated using the same function.
+- */
+-static void
+-setSecrets(TlsSec *sec, uchar *kd, int nkd)
+-{+- if (sec->prf == nil) {+- werrstr("nil sec->prf in setSecrets");+- return;
+- }
+- (*sec->prf)(kd, nkd, sec->sec, MasterSecretSize, "key expansion",
+- sec->srandom, RandomSize, sec->crandom, RandomSize);
++ if(isclient)
++ label = "client finished";
++ else
++ label = "server finished";
++ p_sha256(finished, TLSFinishedLen, sec->sec, MasterSecretSize, (uchar*)label, strlen(label), seed, SHA2_256dlen);
+ }
+
+-/*
+- * set the master secret from the pre-master secret.
+- */
+ static void
+-setMasterSecret(TlsSec *sec, Bytes *pm)
++tlsSecInits(TlsSec *sec, int cvers, uchar *crandom)
+ {+- (*sec->prf)(sec->sec, MasterSecretSize, pm->data, MasterSecretSize, "master secret",
+- sec->crandom, RandomSize, sec->srandom, RandomSize);
++ memset(sec, 0, sizeof(*sec));
++ sec->clientVers = cvers;
++ memmove(sec->crandom, crandom, RandomSize);
++
++ put32(sec->srandom, time(nil));
++ genrandom(sec->srandom+4, RandomSize-4);
+ }
+
+-static void
+-serverMasterSecret(TlsSec *sec, uchar *epm, int nepm)
++static int
++tlsSecRSAs(TlsSec *sec, Bytes *epm)
+ {+ Bytes *pm;
+
+- pm = pkcs1_decrypt(sec, epm, nepm);
+-
++ if(epm == nil){++ werrstr("no encrypted premaster secret");++ return -1;
++ }
+ // if the client messed up, just continue as if everything is ok,
+ // to prevent attacks to check for correctly formatted messages.
+- // Hence the fprint(2,) can't be replaced by tlsError(), which sends an Alert msg to the client.
+- if(sec->ok < 0 || pm == nil || get16(pm->data) != sec->clientVers){+- fprint(2, "serverMasterSecret failed ok=%d pm=%p pmvers=%x cvers=%x nepm=%d\n",
+- sec->ok, pm, pm ? get16(pm->data) : -1, sec->clientVers, nepm);
+- sec->ok = -1;
+- if(pm != nil)
+- freebytes(pm);
++ pm = pkcs1_decrypt(sec, epm);
++ if(pm == nil || pm->len != MasterSecretSize || get16(pm->data) != sec->clientVers){++ freebytes(pm);
+ pm = newbytes(MasterSecretSize);
+- genrandom(pm->data, MasterSecretSize);
++ genrandom(pm->data, pm->len);
+ }
+ setMasterSecret(sec, pm);
+- memset(pm->data, 0, pm->len);
+- freebytes(pm);
++ return 0;
+ }
+
+-static int
+-clientMasterSecret(TlsSec *sec, RSApub *pub, uchar **epm, int *nepm)
++static Bytes*
++tlsSecECDHEs1(TlsSec *sec, Namedcurve *nc)
+ {+- Bytes *pm, *key;
++ ECdomain *dom = &sec->ec.dom;
++ ECpriv *Q = &sec->ec.Q;
++ Bytes *par;
++ int n;
+
+- pm = newbytes(MasterSecretSize);
+- put16(pm->data, sec->clientVers);
+- genrandom(pm->data+2, MasterSecretSize - 2);
++ ecdominit(dom, nc->init);
++ memset(Q, 0, sizeof(*Q));
++ Q->x = mpnew(0);
++ Q->y = mpnew(0);
++ Q->d = mpnew(0);
++ ecgen(dom, Q);
++ n = 1 + 2*((mpsignif(dom->p)+7)/8);
++ par = newbytes(1+2+1+n);
++ par->data[0] = 3;
++ put16(par->data+1, nc->tlsid);
++ n = ecencodepub(dom, Q, par->data+4, par->len-4);
++ par->data[3] = n;
++ par->len = 1+2+1+n;
+
+- setMasterSecret(sec, pm);
++ return par;
++}
+
+- key = pkcs1_encrypt(pm, pub, 2);
+- memset(pm->data, 0, pm->len);
+- freebytes(pm);
+- if(key == nil){+- werrstr("tls pkcs1_encrypt failed");++static int
++tlsSecECDHEs2(TlsSec *sec, Bytes *Yc)
++{++ ECdomain *dom = &sec->ec.dom;
++ ECpriv *Q = &sec->ec.Q;
++ ECpoint K;
++ ECpub *Y;
++
++ if(Yc == nil){++ werrstr("no public key");+ return -1;
+ }
+
+- *nepm = key->len;
+- *epm = malloc(*nepm);
+- if(*epm == nil){+- freebytes(key);
+- werrstr("out of memory");++ if((Y = ecdecodepub(dom, Yc->data, Yc->len)) == nil){++ werrstr("bad public key");+ return -1;
+ }
+- memmove(*epm, key->data, *nepm);
+
+- freebytes(key);
++ memset(&K, 0, sizeof(K));
++ K.x = mpnew(0);
++ K.y = mpnew(0);
+
+- return 1;
+-}
++ ecmul(dom, Y, Q->d, &K);
+
+-static void
+-sslSetFinished(TlsSec *sec, HandHash hs, uchar *finished, int isClient)
+-{+- DigestState *s;
+- uchar h0[MD5dlen], h1[SHA1dlen], pad[48];
+- char *label;
++ setMasterSecret(sec, mptobytes(K.x, (mpsignif(dom->p)+7)/8));
+
+- if(isClient)
+- label = "CLNT";
+- else
+- label = "SRVR";
++ mpfree(K.x);
++ mpfree(K.y);
+
+- md5((uchar*)label, 4, nil, &hs.md5);
+- md5(sec->sec, MasterSecretSize, nil, &hs.md5);
+- memset(pad, 0x36, 48);
+- md5(pad, 48, nil, &hs.md5);
+- md5(nil, 0, h0, &hs.md5);
+- memset(pad, 0x5C, 48);
+- s = md5(sec->sec, MasterSecretSize, nil, nil);
+- s = md5(pad, 48, nil, s);
+- md5(h0, MD5dlen, finished, s);
++ ecpubfree(Y);
+
+- sha1((uchar*)label, 4, nil, &hs.sha1);
+- sha1(sec->sec, MasterSecretSize, nil, &hs.sha1);
+- memset(pad, 0x36, 40);
+- sha1(pad, 40, nil, &hs.sha1);
+- sha1(nil, 0, h1, &hs.sha1);
+- memset(pad, 0x5C, 40);
+- s = sha1(sec->sec, MasterSecretSize, nil, nil);
+- s = sha1(pad, 40, nil, s);
+- sha1(h1, SHA1dlen, finished + MD5dlen, s);
++ return 0;
+ }
+
+-// fill "finished" arg with md5(args)^sha1(args)
+ static void
+-tlsSetFinished(TlsSec *sec, HandHash hs, uchar *finished, int isClient)
++tlsSecInitc(TlsSec *sec, int cvers)
+ {+- uchar h0[MD5dlen], h1[SHA1dlen];
+- char *label;
++ memset(sec, 0, sizeof(*sec));
++ sec->clientVers = cvers;
++ put32(sec->crandom, time(nil));
++ genrandom(sec->crandom+4, RandomSize-4);
++}
+
+- // get current hash value, but allow further messages to be hashed in
+- md5(nil, 0, h0, &hs.md5);
+- sha1(nil, 0, h1, &hs.sha1);
++static Bytes*
++tlsSecRSAc(TlsSec *sec, uchar *cert, int ncert)
++{++ RSApub *pub;
++ Bytes *pm, *epm;
+
+- if(isClient)
+- label = "client finished";
+- else
+- label = "server finished";
+- if (sec->prf == nil) {+- werrstr("nil sec->prf in tlsSetFinished");+- return;
++ pub = X509toRSApub(cert, ncert, nil, 0);
++ if(pub == nil){++ werrstr("invalid x509/rsa certificate");++ return nil;
+ }
+- (*sec->prf)(finished, TLSFinishedLen, sec->sec, MasterSecretSize, label, h0, MD5dlen, h1, SHA1dlen);
++ pm = newbytes(MasterSecretSize);
++ put16(pm->data, sec->clientVers);
++ genrandom(pm->data+2, MasterSecretSize - 2);
++ epm = pkcs1_encrypt(pm, pub);
++ setMasterSecret(sec, pm);
++ rsapubfree(pub);
++ return epm;
+ }
+
+-// fill "finished" arg with sha256(args)
+-static void
+-tls12SetFinished(TlsSec *sec, HandHash hs, uchar *finished, int isClient)
++static int
++tlsSecFinished(TlsSec *sec, HandshakeHash hsh, uchar *fin, int nfin, int isclient)
+ {+- uchar h[SHA2_256dlen];
+- char *label;
+-
+- // get current hash value, but allow further messages to be hashed in
+- sha2_256(nil, 0, h, &hs.sha2_256);
+-
+- if(isClient)
+- label = "client finished";
+- else
+- label = "server finished";
+- tlsPsha2_256(finished, TLSFinishedLen, sec->sec, MasterSecretSize, (uchar*)label, strlen(label), h, SHA2_256dlen);
++ if(sec->nfin != nfin){++ werrstr("invalid finished exchange");++ return -1;
++ }
++ hsh.md5.malloced = 0;
++ hsh.sha1.malloced = 0;
++ hsh.sha2_256.malloced = 0;
++ (*sec->setFinished)(sec, hsh, fin, isclient);
++ return 0;
+ }
+
+ static void
+-sslPRF(uchar *buf, int nbuf, uchar *key, int nkey, char *label, uchar *seed0, int nseed0, uchar *seed1, int nseed1)
++tlsSecVers(TlsSec *sec, int v)
+ {+- DigestState *s;
+- uchar sha1dig[SHA1dlen], md5dig[MD5dlen], tmp[26];
+- int i, n, len;
+-
+- USED(label);
+- len = 1;
+- while(nbuf > 0){+- if(len > 26)
+- return;
+- for(i = 0; i < len; i++)
+- tmp[i] = 'A' - 1 + len;
+- s = sha1(tmp, len, nil, nil);
+- s = sha1(key, nkey, nil, s);
+- s = sha1(seed0, nseed0, nil, s);
+- sha1(seed1, nseed1, sha1dig, s);
+- s = md5(key, nkey, nil, nil);
+- md5(sha1dig, SHA1dlen, md5dig, s);
+- n = MD5dlen;
+- if(n > nbuf)
+- n = nbuf;
+- memmove(buf, md5dig, n);
+- buf += n;
+- nbuf -= n;
+- len++;
++ if(v == SSL3Version){++ sec->setFinished = sslSetFinished;
++ sec->nfin = SSL3FinishedLen;
++ sec->prf = sslPRF;
++ }else if(v < TLS12Version) {++ sec->setFinished = tls10SetFinished;
++ sec->nfin = TLSFinishedLen;
++ sec->prf = tls10PRF;
++ }else {++ sec->setFinished = tls12SetFinished;
++ sec->nfin = TLSFinishedLen;
++ sec->prf = tls12PRF;
+ }
+ }
+
+-static mpint*
+-bytestomp(Bytes* bytes)
++static int
++setSecrets(TlsConnection *c, int isclient)
+ {+- mpint* ans;
++ uchar kd[MaxKeyData];
++ char *secrets;
++ int rv;
+
+- ans = betomp(bytes->data, bytes->len, nil);
+- return ans;
++ assert(c->nsecret <= sizeof(kd));
++ secrets = emalloc(2*c->nsecret);
++
++ /*
++ * generate secret keys from the master secret.
++ *
++ * different cipher selections will require different amounts
++ * of key expansion and use of key expansion data,
++ * but it's all generated using the same function.
++ */
++ (*c->sec->prf)(kd, c->nsecret, c->sec->sec, MasterSecretSize, "key expansion",
++ c->sec->srandom, RandomSize, c->sec->crandom, RandomSize);
++
++ enc64(secrets, 2*c->nsecret, kd, c->nsecret);
++ memset(kd, 0, c->nsecret);
++
++ rv = fprint(c->ctl, "secret %s %s %d %s", c->digest, c->enc, isclient, secrets);
++ memset(secrets, 0, 2*c->nsecret);
++ free(secrets);
++
++ return rv;
+ }
+
+ /*
+- * Convert mpint* to Bytes, putting high order byte first.
++ * set the master secret from the pre-master secret,
++ * destroys premaster.
+ */
+-static Bytes*
+-mptobytes(mpint* big)
++static void
++setMasterSecret(TlsSec *sec, Bytes *pm)
+ {+- int n, m;
+- uchar *a;
+- Bytes* ans;
++ if(sec->psklen > 0){++ Bytes *opm = pm;
++ uchar *p;
++
++ /* concatenate psk to pre-master secret */
++ pm = newbytes(4 + opm->len + sec->psklen);
++ p = pm->data;
++ put16(p, opm->len), p += 2;
++ memmove(p, opm->data, opm->len), p += opm->len;
++ put16(p, sec->psklen), p += 2;
++ memmove(p, sec->psk, sec->psklen);
+
+- a = nil;
+- n = (mpsignif(big)+7)/8;
+- m = mptobe(big, nil, n, &a);
+- ans = makebytes(a, m);
+- if(a != nil)
+- free(a);
+- return ans;
++ memset(opm->data, 0, opm->len);
++ freebytes(opm);
++ }
++
++ (*sec->prf)(sec->sec, MasterSecretSize, pm->data, pm->len, "master secret",
++ sec->crandom, RandomSize, sec->srandom, RandomSize);
++
++ memset(pm->data, 0, pm->len);
++ freebytes(pm);
+ }
+
+-// Do RSA computation on block according to key, and pad
+-// result on left with zeros to make it modlen long.
+-static Bytes*
+-rsacomp(Bytes* block, RSApub* key, int modlen)
++static int
++digestDHparams(TlsSec *sec, Bytes *par, uchar digest[MAXdlen], int sigalg)
+ {+- mpint *x, *y;
+- Bytes *a, *ybytes;
+- int ylen;
+-
+- x = bytestomp(block);
+- y = rsaencrypt(key, x, nil);
+- mpfree(x);
+- ybytes = mptobytes(y);
+- ylen = ybytes->len;
++ int hashalg = (sigalg>>8) & 0xFF;
++ int digestlen;
++ Bytes *blob;
++
++ blob = newbytes(2*RandomSize + par->len);
++ memmove(blob->data+0*RandomSize, sec->crandom, RandomSize);
++ memmove(blob->data+1*RandomSize, sec->srandom, RandomSize);
++ memmove(blob->data+2*RandomSize, par->data, par->len);
++ if(hashalg == 0){++ digestlen = MD5dlen+SHA1dlen;
++ md5(blob->data, blob->len, digest, nil);
++ sha1(blob->data, blob->len, digest+MD5dlen, nil);
++ } else {++ digestlen = -1;
++ if(hashalg < nelem(hashfun) && hashfun[hashalg].fun != nil){++ digestlen = hashfun[hashalg].len;
++ (*hashfun[hashalg].fun)(blob->data, blob->len, digest, nil);
++ }
++ }
++ freebytes(blob);
++ return digestlen;
++}
+
+- if(ylen < modlen) {+- a = newbytes(modlen);
+- memset(a->data, 0, modlen-ylen);
+- memmove(a->data+modlen-ylen, ybytes->data, ylen);
+- freebytes(ybytes);
+- ybytes = a;
+- }
+- else if(ylen > modlen) {+- // assume it has leading zeros (mod should make it so)
+- a = newbytes(modlen);
+- memmove(a->data, ybytes->data, modlen);
+- freebytes(ybytes);
+- ybytes = a;
++static char*
++verifyDHparams(TlsSec *sec, Bytes *par, Bytes *cert, Bytes *sig, int sigalg)
++{++ uchar digest[MAXdlen];
++ int digestlen;
++ ECdomain dom;
++ ECpub *ecpk;
++ RSApub *rsapk;
++ char *err;
++
++ if(par == nil || par->len <= 0)
++ return "no DH parameters";
++
++ if(sig == nil || sig->len <= 0){++ if(sec->psklen > 0)
++ return nil;
++ return "no signature";
++ }
++
++ if(cert == nil)
++ return "no certificate";
++
++ digestlen = digestDHparams(sec, par, digest, sigalg);
++ if(digestlen <= 0)
++ return "unknown signature digest algorithm";
++
++ switch(sigalg & 0xFF){++ case 0x01:
++ rsapk = X509toRSApub(cert->data, cert->len, nil, 0);
++ if(rsapk == nil)
++ return "bad certificate";
++ err = X509rsaverifydigest(sig->data, sig->len, digest, digestlen, rsapk);
++ rsapubfree(rsapk);
++ break;
++ case 0x03:
++ ecpk = X509toECpub(cert->data, cert->len, nil, 0, &dom);
++ if(ecpk == nil)
++ return "bad certificate";
++ err = X509ecdsaverifydigest(sig->data, sig->len, digest, digestlen, &dom, ecpk);
++ ecdomfree(&dom);
++ ecpubfree(ecpk);
++ break;
++ default:
++ err = "signaure algorithm not RSA or ECDSA";
+ }
+- mpfree(y);
+- return ybytes;
++
++ return err;
+ }
+
+ // encrypt data according to PKCS#1, /lib/rfc/rfc2437 9.1.2.1
+ static Bytes*
+-pkcs1_encrypt(Bytes* data, RSApub* key, int blocktype)
++pkcs1_encrypt(Bytes* data, RSApub* key)
+ {+- Bytes *pad, *eb, *ans;
+- int i, dlen, padlen, modlen;
++ mpint *x, *y;
+
+- modlen = (mpsignif(key->n)+7)/8;
+- dlen = data->len;
+- if(modlen < 12 || dlen > modlen - 11)
++ x = pkcs1padbuf(data->data, data->len, key->n, 2);
++ if(x == nil)
+ return nil;
+- padlen = modlen - 3 - dlen;
+- pad = newbytes(padlen);
+- genrandom(pad->data, padlen);
+- for(i = 0; i < padlen; i++) {+- if(blocktype == 0)
+- pad->data[i] = 0;
+- else if(blocktype == 1)
+- pad->data[i] = 255;
+- else if(pad->data[i] == 0)
+- pad->data[i] = 1;
+- }
+- eb = newbytes(modlen);
+- eb->data[0] = 0;
+- eb->data[1] = blocktype;
+- memmove(eb->data+2, pad->data, padlen);
+- eb->data[padlen+2] = 0;
+- memmove(eb->data+padlen+3, data->data, dlen);
+- ans = rsacomp(eb, key, modlen);
+- freebytes(eb);
+- freebytes(pad);
+- return ans;
++ y = rsaencrypt(key, x, nil);
++ mpfree(x);
++ data = newbytes((mpsignif(key->n)+7)/8);
++ mptober(y, data->data, data->len);
++ mpfree(y);
++ return data;
+ }
+
+ // decrypt data according to PKCS#1, with given key.
+-// expect a block type of 2.
+ static Bytes*
+-pkcs1_decrypt(TlsSec *sec, uchar *epm, int nepm)
++pkcs1_decrypt(TlsSec *sec, Bytes *data)
+ {+- Bytes *eb, *ans = nil;
+- int i, modlen;
+- mpint *x, *y;
++ mpint *y;
+
+- modlen = (mpsignif(sec->rsapub->n)+7)/8;
+- if(nepm != modlen)
++ if(data->len != (mpsignif(sec->rsapub->n)+7)/8)
+ return nil;
+- x = betomp(epm, nepm, nil);
+- y = factotum_rsa_decrypt(sec->rpc, x);
++ y = factotum_rsa_decrypt(sec->rpc, bytestomp(data));
+ if(y == nil)
+ return nil;
+- eb = mptobytes(y);
+- if(eb->len < modlen){ // pad on left with zeros+- ans = newbytes(modlen);
+- memset(ans->data, 0, modlen-eb->len);
+- memmove(ans->data+modlen-eb->len, eb->data, eb->len);
+- freebytes(eb);
+- eb = ans;
+- }
+- if(eb->data[0] == 0 && eb->data[1] == 2) {+- for(i = 2; i < modlen; i++)
+- if(eb->data[i] == 0)
+- break;
+- if(i < modlen - 1)
+- ans = makebytes(eb->data+i+1, modlen-(i+1));
++ data = mptobytes(y, (mpsignif(y)+7)/8);
++ mpfree(y);
++ if((data->len = pkcs1unpadbuf(data->data, data->len, sec->rsapub->n, 2)) < 0){++ freebytes(data);
++ return nil;
+ }
+- if (eb != ans) /* not freed above? */
+- freebytes(eb);
+- return ans;
++ return data;
++}
++
++static Bytes*
++pkcs1_sign(TlsSec *sec, uchar *digest, int digestlen, int sigalg)
++{++ int hashalg = (sigalg>>8)&0xFF;
++ mpint *signedMP;
++ Bytes *signature;
++ uchar buf[128];
++
++ if(hashalg > 0 && hashalg < nelem(hashfun) && hashfun[hashalg].len == digestlen)
++ digestlen = asn1encodedigest(hashfun[hashalg].fun, digest, buf, sizeof(buf));
++ else if(digestlen == MD5dlen+SHA1dlen)
++ memmove(buf, digest, digestlen);
++ else
++ digestlen = -1;
++ if(digestlen <= 0){++ werrstr("bad digest algorithm");++ return nil;
++ }
++
++ signedMP = factotum_rsa_decrypt(sec->rpc, pkcs1padbuf(buf, digestlen, sec->rsapub->n, 1));
++ if(signedMP == nil)
++ return nil;
++ signature = mptobytes(signedMP, (mpsignif(sec->rsapub->n)+7)/8);
++ mpfree(signedMP);
++ return signature;
+ }
+
+
+@@ -2370,10 +2877,10 @@
+ if(n==0)
+ n=1;
+ p = malloc(n);
+- if(p == nil){+- exits("out of memory");+- }
++ if(p == nil)
++ sysfatal("out of memory");+ memset(p, 0, n);
++ setmalloctag(p, getcallerpc(&n));
+ return p;
+ }
+
+@@ -2382,11 +2889,11 @@
+ {+ if(ReallocN == 0)
+ ReallocN = 1;
+- if(!ReallocP)
++ if(ReallocP == nil)
+ ReallocP = emalloc(ReallocN);
+- else if(!(ReallocP = realloc(ReallocP, ReallocN))){+- exits("out of memory");+- }
++ else if((ReallocP = realloc(ReallocP, ReallocN)) == nil)
++ sysfatal("out of memory");++ setrealloctag(ReallocP, getcallerpc(&ReallocP));
+ return(ReallocP);
+ }
+
+@@ -2414,12 +2921,6 @@
+ p[1] = x;
+ }
+
+-static u32int
+-get32(uchar *p)
+-{+- return (p[0]<<24)|(p[1]<<16)|(p[2]<<8)|p[3];
+-}
+-
+ static int
+ get24(uchar *p)
+ {+@@ -2432,19 +2933,14 @@
+ return (p[0]<<8)|p[1];
+ }
+
+-#define OFFSET(x, s) offsetof(s, x)
+-
+-/*
+- * malloc and return a new Bytes structure capable of
+- * holding len bytes. (len >= 0)
+- * Used to use crypt_malloc, which aborts if malloc fails.
+- */
+ static Bytes*
+ newbytes(int len)
+ {+ Bytes* ans;
+
+- ans = (Bytes*)malloc(OFFSET(data[0], Bytes) + len);
++ if(len < 0)
++ abort();
++ ans = emalloc(sizeof(Bytes) + len);
+ ans->len = len;
+ return ans;
+ }
+@@ -2465,35 +2961,55 @@
+ static void
+ freebytes(Bytes* b)
+ {+- if(b != nil)
+- free(b);
++ free(b);
+ }
+
+-/* len is number of ints */
+-static Ints*
+-newints(int len)
++static mpint*
++bytestomp(Bytes* bytes)
+ {+- Ints* ans;
++ return betomp(bytes->data, bytes->len, nil);
++}
+
+- ans = (Ints*)malloc(OFFSET(data[0], Ints) + len*sizeof(int));
+- ans->len = len;
++/*
++ * Convert mpint* to Bytes, putting high order byte first.
++ */
++static Bytes*
++mptobytes(mpint *big, int len)
++{++ Bytes* ans;
++
++ if(len == 0) len++;
++ ans = newbytes(len);
++ mptober(big, ans->data, ans->len);
+ return ans;
+ }
+
++/* len is number of ints */
+ static Ints*
+-makeints(int* buf, int len)
++newints(int len)
+ {+ Ints* ans;
+
+- ans = newints(len);
+- if(len > 0)
+- memmove(ans->data, buf, len*sizeof(int));
++ if(len < 0 || len > ((uint)-1>>1)/sizeof(int))
++ abort();
++ ans = emalloc(sizeof(Ints) + len*sizeof(int));
++ ans->len = len;
+ return ans;
+ }
+
+ static void
+ freeints(Ints* b)
+ {+- if(b != nil)
+- free(b);
++ free(b);
++}
++
++static int
++lookupid(Ints* b, int id)
++{++ int i;
++
++ for(i=0; i<b->len; i++)
++ if(b->data[i] == id)
++ return i;
++ return -1;
+ }
+--- /dev/null Mon Jun 28 00:12:24 2021
++++ /sys/src/libsec/port/tsmemcmp.c Sat Jun 26 21:21:42 2021
+@@ -0,0 +1,27 @@
++#include <u.h>
++#include <libc.h>
++#include <mp.h>
++#include <libsec.h>
++
++/*
++ * timing safe memcmp()
++ */
++int
++tsmemcmp(void *a1, void *a2, ulong n)
++{++ int lt, gt, c1, c2, r, m;
++ uchar *s1, *s2;
++
++ r = m = 0;
++ s1 = a1;
++ s2 = a2;
++ while(n--){++ c1 = *s1++;
++ c2 = *s2++;
++ lt = (c1 - c2) >> 8;
++ gt = (c2 - c1) >> 8;
++ r |= (lt - gt) & ~m;
++ m |= lt | gt;
++ }
++ return r;
++}
+--- sys/src/libsec/port/x509.c Thu Jul 15 09:07:50 2021
++++ /sys/src/libsec/port/x509.c Wed Jul 14 02:08:12 2021
+@@ -3,11 +3,6 @@
+ #include <mp.h>
+ #include <libsec.h>
+
+-typedef DigestState*(*DigestFun)(uchar*,ulong,uchar*,DigestState*);
+-
+-/* ANSI offsetof, backwards. */
+-#define OFFSETOF(a, b) offsetof(b, a)
+-
+ /*=============================================================*/
+ /* general ASN1 declarations and parsing
+ *
+@@ -58,18 +53,18 @@
+
+ struct Bytes {+ int len;
+- uchar data[1];
++ uchar data[];
+ };
+
+ struct Ints {+ int len;
+- int data[1];
++ int data[];
+ };
+
+ struct Bits {+ int len; /* number of bytes */
+ int unusedbits; /* unused bits in last byte */
+- uchar data[1]; /* most-significant bit first */
++ uchar data[]; /* most-significant bit first */
+ };
+
+ struct Tag {+@@ -135,14 +130,11 @@
+ static int is_string(Elem* pe, char** pstring);
+ static int is_time(Elem* pe, char** ptime);
+ static int decode(uchar* a, int alen, Elem* pelem);
+-static int decode_seq(uchar* a, int alen, Elist** pelist);
+-static int decode_value(uchar* a, int alen, int kind, int isconstr, Value* pval);
+ static int encode(Elem e, Bytes** pbytes);
+ static int oid_lookup(Ints* o, Ints** tab);
+ static void freevalfields(Value* v);
+ static mpint *asn1mpint(Elem *e);
+-
+-
++static void edump(Elem);
+
+ #define TAG_MASK 0x1F
+ #define CONSTR_MASK 0x20
+@@ -169,9 +161,8 @@
+ if(n==0)
+ n=1;
+ p = malloc(n);
+- if(p == nil){+- exits("out of memory");+- }
++ if(p == nil)
++ sysfatal("out of memory");+ memset(p, 0, n);
+ setmalloctag(p, getcallerpc(&n));
+ return p;
+@@ -180,14 +171,13 @@
+ static char*
+ estrdup(char *s)
+ {+- char *d, *d0;
++ char *d;
++ int n;
+
+- if(!s)
+- return 0;
+- d = d0 = emalloc(strlen(s)+1);
+- while(*d++ = *s++)
+- ;
+- return d0;
++ n = strlen(s)+1;
++ d = emalloc(n);
++ memmove(d, s, n);
++ return d;
+ }
+
+
+@@ -201,37 +191,12 @@
+ decode(uchar* a, int alen, Elem* pelem)
+ {+ uchar* p = a;
++ int err;
+
+- return ber_decode(&p, &a[alen], pelem);
+-}
+-
+-/*
+- * Like decode, but continue decoding after first element
+- * of array ends.
+- */
+-static int
+-decode_seq(uchar* a, int alen, Elist** pelist)
+-{+- uchar* p = a;
+-
+- return seq_decode(&p, &a[alen], -1, 1, pelist);
+-}
+-
+-/*
+- * Decode the whole array as a BER encoding of an ASN1 value,
+- * (i.e., the part after the tag and length).
+- * Assume the value is encoded as universal tag "kind".
+- * The constr arg is 1 if the value is constructed, 0 if primitive.
+- * If there's an error, the return string will contain the error.
+- * Depending on the error, the returned value may or may not
+- * be nil.
+- */
+-static int
+-decode_value(uchar* a, int alen, int kind, int isconstr, Value* pval)
+-{+- uchar* p = a;
+-
+- return value_decode(&p, &a[alen], alen, kind, isconstr, pval);
++ err = ber_decode(&p, &a[alen], pelem);
++ if(err == ASN_OK && p != &a[alen])
++ err = ASN_EVALLEN;
++ return err;
+ }
+
+ /*
+@@ -257,15 +222,14 @@
+ Tag tag;
+ Value val;
+
++ memset(pelem, 0, sizeof(*pelem));
+ err = tag_decode(pp, pend, &tag, &isconstr);
+ if(err == ASN_OK) {+ err = length_decode(pp, pend, &length);
+ if(err == ASN_OK) {+- if(tag.class == Universal) {++ if(tag.class == Universal)
+ err = value_decode(pp, pend, length, tag.num, isconstr, &val);
+- if(val.tag == VSeq || val.tag == VSet)
+- setmalloctag(val.u.seqval, getcallerpc(&pp));
+- }else
++ else
+ err = value_decode(pp, pend, length, OCTET_STRING, 0, &val);
+ if(err == ASN_OK) {+ pelem->tag = tag;
+@@ -400,8 +364,7 @@
+ pval->u.bitstringval = makebits(0, 0, 0);
+ p += 2;
+ }
+- else
+- /* TODO: recurse and concat results */
++ else /* TODO: recurse and concat results */
+ err = ASN_EUNIMPL;
+ }
+ else {+@@ -502,7 +465,6 @@
+
+ case SEQUENCE:
+ err = seq_decode(&p, pend, length, isconstr, &vl);
+- setmalloctag(vl, getcallerpc(&pp));
+ if(err == ASN_OK) {+ pval->tag = VSeq ;
+ pval->u.seqval = vl;
+@@ -511,12 +473,12 @@
+
+ case SETOF:
+ err = seq_decode(&p, pend, length, isconstr, &vl);
+- setmalloctag(vl, getcallerpc(&pp));
+ if(err == ASN_OK) {+ pval->tag = VSet;
+ pval->u.setval = vl;
+ }
+ break;
++
+ case UTF8String:
+ case NumericString:
+ case PrintableString:
+@@ -530,13 +492,64 @@
+ case GeneralString:
+ case UniversalString:
+ case BMPString:
+- /* TODO: figure out when character set conversion is necessary */
+ err = octet_decode(&p, pend, length, isconstr, &va);
+ if(err == ASN_OK) {+- pval->tag = VString;
+- pval->u.stringval = (char*)emalloc(va->len+1);
+- memmove(pval->u.stringval, va->data, va->len);
+- pval->u.stringval[va->len] = 0;
++ uchar *s;
++ char *d;
++ Rune r;
++ int n;
++
++ switch(kind){++ case UniversalString:
++ n = va->len / 4;
++ d = emalloc(n*UTFmax+1);
++ pval->u.stringval = d;
++ s = va->data;
++ while(n > 0){++ r = s[0]<<24 | s[1]<<16 | s[2]<<8 | s[3];
++ if(r == 0)
++ break;
++ n--;
++ s += 4;
++ d += runetochar(d, &r);
++ }
++ *d = 0;
++ break;
++ case BMPString:
++ n = va->len / 2;
++ d = emalloc(n*UTFmax+1);
++ pval->u.stringval = d;
++ s = va->data;
++ while(n > 0){++ r = s[0]<<8 | s[1];
++ if(r == 0)
++ break;
++ n--;
++ s += 2;
++ d += runetochar(d, &r);
++ }
++ *d = 0;
++ break;
++ default:
++ n = va->len;
++ d = emalloc(n+1);
++ pval->u.stringval = d;
++ s = va->data;
++ while(n > 0){++ if((*d = *s) == 0)
++ break;
++ n--;
++ s++;
++ d++;
++ }
++ *d = 0;
++ break;
++ }
++ if(n != 0){++ err = ASN_EINVAL;
++ free(pval->u.stringval);
++ } else
++ pval->tag = VString;
+ free(va);
+ }
+ break;
+@@ -665,25 +678,27 @@
+ switch(elem.val.tag) {+ case VOctets:
+ newans = catbytes(ans, elem.val.u.octetsval);
++ freevalfields(&elem.val);
+ freebytes(ans);
+ ans = newans;
+ break;
+
+ case VEOC:
+- if(length != -1) {+- p = pold;
+- err = ASN_EINVAL;
+- }
+- goto cloop_done;
+-
++ if(length == -1)
++ goto cloop_done;
++ /* no break */
+ default:
++ freevalfields(&elem.val);
+ p = pold;
+ err = ASN_EINVAL;
+ goto cloop_done;
+ }
+ }
+ cloop_done:
+- ;
++ if(err != ASN_OK){++ freebytes(ans);
++ ans = nil;
++ }
+ }
+ *pp = p;
+ *pbytes = ans;
+@@ -736,7 +751,9 @@
+ else
+ lve = mkel(elem, lve);
+ }
+- if(err == ASN_OK) {++ if(err != ASN_OK)
++ freeelist(lve);
++ else {+ /* reverse back to original order */
+ while(lve != nil) {+ lveold = lve;
+@@ -748,7 +765,6 @@
+ }
+ *pp = p;
+ *pelist = ans;
+- setmalloctag(ans, getcallerpc(&pp));
+ return err;
+ }
+
+@@ -977,8 +993,8 @@
+ memmove(p, bb->data, bb->len);
+ p += bb->len;
+ }
+- else
+- err = ASN_EINVAL;
++ else
++ err = ASN_EINVAL;
+ break;
+
+ case NULLTAG:
+@@ -1195,21 +1211,8 @@
+ static int
+ is_bigint(Elem* pe, Bytes** pbigint)
+ {+- int v, n, i;
+-
+- if(pe->tag.class == Universal && pe->tag.num == INTEGER) {+- if(pe->val.tag == VBigInt)
+- *pbigint = pe->val.u.bigintval;
+- else if(pe->val.tag == VInt){+- v = pe->val.u.intval;
+- for(n = 1; n < 4; n++)
+- if((1 << (8 * n)) > v)
+- break;
+- *pbigint = newbytes(n);
+- for(i = 0; i < n; i++)
+- (*pbigint)->data[i] = (v >> ((n - 1 - i) * 8));
+- }else
+- return 0;
++ if(pe->tag.class == Universal && pe->tag.num == INTEGER && pe->val.tag == VBigInt) {++ *pbigint = pe->val.u.bigintval;
+ return 1;
+ }
+ return 0;
+@@ -1292,7 +1295,9 @@
+ {+ Bytes* ans;
+
+- ans = (Bytes*)emalloc(OFFSETOF(data[0], Bytes) + len);
++ if(len < 0)
++ abort();
++ ans = emalloc(sizeof(Bytes) + len);
+ ans->len = len;
+ return ans;
+ }
+@@ -1313,8 +1318,7 @@
+ static void
+ freebytes(Bytes* b)
+ {+- if(b != nil)
+- free(b);
++ free(b);
+ }
+
+ /*
+@@ -1352,7 +1356,9 @@
+ {+ Ints* ans;
+
+- ans = (Ints*)emalloc(OFFSETOF(data[0], Ints) + len*sizeof(int));
++ if(len < 0 || len > ((uint)-1>>1)/sizeof(int))
++ abort();
++ ans = emalloc(sizeof(Ints) + len*sizeof(int));
+ ans->len = len;
+ return ans;
+ }
+@@ -1363,16 +1369,14 @@
+ Ints* ans;
+
+ ans = newints(len);
+- if(len > 0)
+- memmove(ans->data, buf, len*sizeof(int));
++ memmove(ans->data, buf, len*sizeof(int));
+ return ans;
+ }
+
+ static void
+ freeints(Ints* b)
+ {+- if(b != nil)
+- free(b);
++ free(b);
+ }
+
+ /* len is number of bytes */
+@@ -1381,7 +1385,9 @@
+ {+ Bits* ans;
+
+- ans = (Bits*)emalloc(OFFSETOF(data[0], Bits) + len);
++ if(len < 0)
++ abort();
++ ans = emalloc(sizeof(Bits) + len);
+ ans->len = len;
+ ans->unusedbits = 0;
+ return ans;
+@@ -1401,8 +1407,7 @@
+ static void
+ freebits(Bits* b)
+ {+- if(b != nil)
+- free(b);
++ free(b);
+ }
+
+ static Elist*
+@@ -1469,24 +1474,35 @@
+ freeints(v->u.objidval);
+ break;
+ case VString:
+- if(v->u.stringval)
+- free(v->u.stringval);
++ free(v->u.stringval);
+ break;
+ case VSeq:
+ el = v->u.seqval;
+ for(l = el; l != nil; l = l->tl)
+ freevalfields(&l->hd.val);
+- if(el)
+- freeelist(el);
++ freeelist(el);
+ break;
+ case VSet:
+ el = v->u.setval;
+ for(l = el; l != nil; l = l->tl)
+ freevalfields(&l->hd.val);
+- if(el)
+- freeelist(el);
++ freeelist(el);
+ break;
+ }
++ memset(v, 0, sizeof(*v));
++}
++
++static mpint*
++asn1mpint(Elem *e)
++{++ Bytes *b;
++ int v;
++
++ if(is_int(e, &v))
++ return itomp(v, nil);
++ if(is_bigint(e, &b))
++ return betomp(b->data, b->len, nil);
++ return nil;
+ }
+
+ /* end of general ASN1 functions */
+@@ -1569,9 +1585,11 @@
+ char* validity_end;
+ char* subject;
+ int publickey_alg;
+- Bytes* publickey;
++ Bits* publickey;
+ int signature_alg;
+- Bytes* signature;
++ Bits* signature;
++ int curve;
++ Bytes* ext;
+ } CertX509;
+
+ /* Algorithm object-ids */
+@@ -1580,51 +1598,99 @@
+ ALG_md2WithRSAEncryption,
+ ALG_md4WithRSAEncryption,
+ ALG_md5WithRSAEncryption,
++
+ ALG_sha1WithRSAEncryption,
+ ALG_sha1WithRSAEncryptionOiw,
++
+ ALG_sha256WithRSAEncryption,
+ ALG_sha384WithRSAEncryption,
+ ALG_sha512WithRSAEncryption,
+ ALG_sha224WithRSAEncryption,
++
++ ALG_ecPublicKey,
++ ALG_sha1WithECDSA,
++ ALG_sha256WithECDSA,
++ ALG_sha384WithECDSA,
++ ALG_sha512WithECDSA,
++
+ ALG_md5,
+ ALG_sha1,
+ ALG_sha256,
+ ALG_sha384,
+ ALG_sha512,
+ ALG_sha224,
++
+ NUMALGS
+ };
+-typedef struct Ints9 {++
++typedef struct Ints15 {++ int len;
++ int data[15];
++} Ints15;
++
++typedef struct DigestAlg {++ int alg;
++ DigestState* (*fun)(uchar*,ulong,uchar*,DigestState*);
+ int len;
+- int data[9];
+-} Ints9;
+-static Ints9 oid_rsaEncryption = {7, 1, 2, 840, 113549, 1, 1, 1 };+-static Ints9 oid_md2WithRSAEncryption = {7, 1, 2, 840, 113549, 1, 1, 2 };+-static Ints9 oid_md4WithRSAEncryption = {7, 1, 2, 840, 113549, 1, 1, 3 };+-static Ints9 oid_md5WithRSAEncryption = {7, 1, 2, 840, 113549, 1, 1, 4 };+-static Ints9 oid_sha1WithRSAEncryption ={7, 1, 2, 840, 113549, 1, 1, 5 };+-static Ints9 oid_sha1WithRSAEncryptionOiw ={6, 1, 3, 14, 3, 2, 29 };+-static Ints9 oid_sha256WithRSAEncryption ={7, 1, 2, 840, 113549, 1, 1, 11 };+-static Ints9 oid_sha384WithRSAEncryption ={7, 1, 2, 840, 113549, 1, 1, 12 };+-static Ints9 oid_sha512WithRSAEncryption ={7, 1, 2, 840, 113549, 1, 1, 13 };+-static Ints9 oid_sha224WithRSAEncryption ={7, 1, 2, 840, 113549, 1, 1, 14 };+-static Ints9 oid_md5 ={6, 1, 2, 840, 113549, 2, 5, 0 };+-static Ints9 oid_sha1 ={6, 1, 3, 14, 3, 2, 26 };+-static Ints9 oid_sha256 ={9, 2, 16, 840, 1, 101, 3, 4, 2, 1 };+-static Ints9 oid_sha384 ={9, 2, 16, 840, 1, 101, 3, 4, 2, 2 };+-static Ints9 oid_sha512 ={9, 2, 16, 840, 1, 101, 3, 4, 2, 3 };+-static Ints9 oid_sha224 ={9, 2, 16, 840, 1, 101, 3, 4, 2, 4 };++} DigestAlg;
++
++static DigestAlg alg_md5 = { ALG_md5, md5, MD5dlen};++static DigestAlg alg_sha1 = { ALG_sha1, sha1, SHA1dlen };++static DigestAlg alg_sha256 = { ALG_sha256, sha2_256, SHA2_256dlen };++static DigestAlg alg_sha384 = { ALG_sha384, sha2_384, SHA2_384dlen };++static DigestAlg alg_sha512 = { ALG_sha512, sha2_512, SHA2_512dlen };++static DigestAlg alg_sha224 = { ALG_sha224, sha2_224, SHA2_224dlen };++
++/* maximum length of digest output of the digest algs above */
++enum {++ MAXdlen = SHA2_512dlen,
++};
++
++static Ints15 oid_rsaEncryption = {7, 1, 2, 840, 113549, 1, 1, 1 };++
++static Ints15 oid_md2WithRSAEncryption = {7, 1, 2, 840, 113549, 1, 1, 2 };++static Ints15 oid_md4WithRSAEncryption = {7, 1, 2, 840, 113549, 1, 1, 3 };++static Ints15 oid_md5WithRSAEncryption = {7, 1, 2, 840, 113549, 1, 1, 4 };++static Ints15 oid_sha1WithRSAEncryption ={7, 1, 2, 840, 113549, 1, 1, 5 };++static Ints15 oid_sha1WithRSAEncryptionOiw ={6, 1, 3, 14, 3, 2, 29 };++static Ints15 oid_sha256WithRSAEncryption = {7, 1, 2, 840, 113549, 1, 1, 11 };++static Ints15 oid_sha384WithRSAEncryption = {7, 1, 2, 840, 113549, 1, 1, 12 };++static Ints15 oid_sha512WithRSAEncryption = {7, 1, 2, 840, 113549, 1, 1, 13 };++static Ints15 oid_sha224WithRSAEncryption = {7, 1, 2, 840, 113549, 1, 1, 14 };++
++static Ints15 oid_ecPublicKey = {6, 1, 2, 840, 10045, 2, 1 };++static Ints15 oid_sha1WithECDSA = {6, 1, 2, 840, 10045, 4, 1 };++static Ints15 oid_sha256WithECDSA = {7, 1, 2, 840, 10045, 4, 3, 2 };++static Ints15 oid_sha384WithECDSA = {7, 1, 2, 840, 10045, 4, 3, 3 };++static Ints15 oid_sha512WithECDSA = {7, 1, 2, 840, 10045, 4, 3, 4 };++
++static Ints15 oid_md5 = {6, 1, 2, 840, 113549, 2, 5 };++static Ints15 oid_sha1 = {6, 1, 3, 14, 3, 2, 26 };++static Ints15 oid_sha256= {9, 2, 16, 840, 1, 101, 3, 4, 2, 1 };++static Ints15 oid_sha384= {9, 2, 16, 840, 1, 101, 3, 4, 2, 2 };++static Ints15 oid_sha512= {9, 2, 16, 840, 1, 101, 3, 4, 2, 3 };++static Ints15 oid_sha224= {9, 2, 16, 840, 1, 101, 3, 4, 2, 4 };++
+ static Ints *alg_oid_tab[NUMALGS+1] = {+ (Ints*)&oid_rsaEncryption,
+ (Ints*)&oid_md2WithRSAEncryption,
+ (Ints*)&oid_md4WithRSAEncryption,
+ (Ints*)&oid_md5WithRSAEncryption,
++
+ (Ints*)&oid_sha1WithRSAEncryption,
+ (Ints*)&oid_sha1WithRSAEncryptionOiw,
++
+ (Ints*)&oid_sha256WithRSAEncryption,
+ (Ints*)&oid_sha384WithRSAEncryption,
+ (Ints*)&oid_sha512WithRSAEncryption,
+ (Ints*)&oid_sha224WithRSAEncryption,
++
++ (Ints*)&oid_ecPublicKey,
++ (Ints*)&oid_sha1WithECDSA,
++ (Ints*)&oid_sha256WithECDSA,
++ (Ints*)&oid_sha384WithECDSA,
++ (Ints*)&oid_sha512WithECDSA,
++
+ (Ints*)&oid_md5,
+ (Ints*)&oid_sha1,
+ (Ints*)&oid_sha256,
+@@ -1633,22 +1699,46 @@
+ (Ints*)&oid_sha224,
+ nil
+ };
+-static DigestFun digestalg[NUMALGS+1] = { md5, md5, md5, md5, sha1, sha1, sha2_256, sha2_384, sha2_512, sha2_224, md5, sha1, sha2_256, sha2_384, sha2_512, sha2_224, nil };++
++static DigestAlg *digestalg[NUMALGS+1] = {++ &alg_md5, &alg_md5, &alg_md5, &alg_md5,
++ &alg_sha1, &alg_sha1,
++ &alg_sha256, &alg_sha384, &alg_sha512, &alg_sha224,
++ &alg_sha256, &alg_sha1, &alg_sha256, &alg_sha384, &alg_sha512,
++ &alg_md5, &alg_sha1, &alg_sha256, &alg_sha384, &alg_sha512, &alg_sha224,
++ nil
++};
++
++static Bytes* encode_digest(DigestAlg *da, uchar *digest);
++
++static Ints15 oid_secp256r1 = {7, 1, 2, 840, 10045, 3, 1, 7};++static Ints15 oid_secp384r1 = {5, 1, 3, 132, 0, 34};++
++static Ints *namedcurves_oid_tab[] = {++ (Ints*)&oid_secp256r1,
++ (Ints*)&oid_secp384r1,
++ nil,
++};
++static void (*namedcurves[])(mpint *p, mpint *a, mpint *b, mpint *x, mpint *y, mpint *n, mpint *h) = {++ secp256r1,
++ secp384r1,
++ nil,
++};
++
++static void appendaltnames(char *name, int nname, Bytes *ext, int req);
+
+ static void
+ freecert(CertX509* c)
+ {+- if(!c) return;
+- if(c->issuer != nil)
+- free(c->issuer);
+- if(c->validity_start != nil)
+- free(c->validity_start);
+- if(c->validity_end != nil)
+- free(c->validity_end);
+- if(c->subject != nil)
+- free(c->subject);
+- freebytes(c->publickey);
+- freebytes(c->signature);
++ if(c == nil)
++ return;
++ free(c->issuer);
++ free(c->validity_start);
++ free(c->validity_end);
++ free(c->subject);
++ freebits(c->publickey);
++ freebits(c->signature);
++ freebytes(c->ext);
+ free(c);
+ }
+
+@@ -1729,12 +1819,22 @@
+ return oid_lookup(oid, alg_oid_tab);
+ }
+
++static int
++parse_curve(Elem* e)
++{++ Elist* el;
++ Ints* oid;
++
++ if(!is_seq(e, &el) || elistlen(el)<2 || !is_oid(&el->tl->hd, &oid))
++ return -1;
++ return oid_lookup(oid, namedcurves_oid_tab);
++}
++
+ static CertX509*
+-decode_cert(Bytes* a)
++decode_cert(uchar *buf, int len)
+ {+ int ok = 0;
+ int n;
+- CertX509* c = nil;
+ Elem ecert;
+ Elem* ecertinfo;
+ Elem* esigalg;
+@@ -1752,8 +1852,9 @@
+ Bits* bits = nil;
+ Bytes* b;
+ Elem* e;
++ CertX509* c = nil;
+
+- if(decode(a->data, a->len, &ecert) != ASN_OK)
++ if(decode(buf, len, &ecert) != ASN_OK)
+ goto errret;
+
+ c = (CertX509*)emalloc(sizeof(CertX509));
+@@ -1766,6 +1867,7 @@
+ c->publickey = nil;
+ c->signature_alg = -1;
+ c->signature = nil;
++ c->ext = nil;
+
+ /* Certificate */
+ if(!is_seq(&ecert, &elcert) || elistlen(elcert) !=3)
+@@ -1803,7 +1905,14 @@
+ esubj = &el->hd;
+ el = el->tl;
+ epubkey = &el->hd;
+- if(!is_int(eserial, &c->serial)) {++ if(el->tl != nil
++ && el->tl->hd.tag.class == Context
++ && el->tl->hd.tag.num == 3
++ && el->tl->hd.val.tag == VOctets){++ c->ext = el->tl->hd.val.u.octetsval;
++ el->tl->hd.val.u.octetsval = nil; /* transfer ownership */
++ }
++ if(!is_int(eserial, &c->serial)) {+ if(!is_bigint(eserial, &b))
+ goto errret;
+ c->serial = -1; /* else we have to change cert struct */
+@@ -1831,7 +1940,7 @@
+ goto errret;
+
+ /* SubjectPublicKeyInfo */
+- if(!is_seq(epubkey, &elpubkey))
++ if(!is_seq(epubkey, &elpubkey))
+ goto errret;
+ if(elistlen(elpubkey) != 2)
+ goto errret;
+@@ -1839,18 +1948,25 @@
+ c->publickey_alg = parse_alg(&elpubkey->hd);
+ if(c->publickey_alg < 0)
+ goto errret;
+- if(!is_bitstring(&elpubkey->tl->hd, &bits))
+- goto errret;
+- if(bits->unusedbits != 0)
++ c->curve = -1;
++ if(c->publickey_alg == ALG_ecPublicKey){++ c->curve = parse_curve(&elpubkey->hd);
++ if(c->curve < 0)
++ goto errret;
++ }
++ elpubkey = elpubkey->tl;
++ if(!is_bitstring(&elpubkey->hd, &bits))
+ goto errret;
+- c->publickey = makebytes(bits->data, bits->len);
++ elpubkey->hd.val.u.bitstringval = nil; /* transfer ownership */
++ c->publickey = bits;
+
+ /*resume Certificate */
+ if(c->signature_alg < 0)
+ goto errret;
+- if(!is_bitstring(esig, &bits))
++ if(!is_bitstring(esig, &bits))
+ goto errret;
+- c->signature = makebytes(bits->data, bits->len);
++ esig->val.u.bitstringval = nil; /* transfer ownership */
++ c->signature = bits;
+ ok = 1;
+
+ errret:
+@@ -1863,45 +1979,38 @@
+ }
+
+ /*
+- * RSAPublickKey :: SEQUENCE {++ * RSAPublickKey ::= SEQUENCE {+ * modulus INTEGER,
+ * publicExponent INTEGER
+ * }
+ */
+-static RSApub*
+-decode_rsapubkey(Bytes* a)
++RSApub*
++asn1toRSApub(uchar *buf, int len)
+ {+ Elem e;
+- Elist *el, *l;
+- mpint *mp;
++ Elist *el;
+ RSApub* key;
+
+- l = nil;
+- key = rsapuballoc();
+- if(decode(a->data, a->len, &e) != ASN_OK)
++ key = nil;
++ if(decode(buf, len, &e) != ASN_OK)
+ goto errret;
+ if(!is_seq(&e, &el) || elistlen(el) != 2)
+ goto errret;
+
+- l = el;
+-
+- key->n = mp = asn1mpint(&el->hd);
+- if(mp == nil)
++ key = rsapuballoc();
++ if((key->n = asn1mpint(&el->hd)) == nil)
+ goto errret;
+-
+ el = el->tl;
+- key->ek = mp = asn1mpint(&el->hd);
+- if(mp == nil)
++ if((key->ek = asn1mpint(&el->hd)) == nil)
+ goto errret;
+
+- if(l != nil)
+- freeelist(l);
++ freevalfields(&e.val);
+ return key;
+ errret:
+- if(l != nil)
+- freeelist(l);
++ freevalfields(&e.val);
+ rsapubfree(key);
+ return nil;
++
+ }
+
+ /*
+@@ -1916,65 +2025,72 @@
+ * exponent2 INTEGER, -- d mod (q-1)
+ * coefficient INTEGER -- (inverse of q) mod p }
+ */
+-static RSApriv*
+-decode_rsaprivkey(Bytes* a)
++RSApriv*
++asn1toRSApriv(uchar *buf, int len)
+ {+ int version;
+ Elem e;
+ Elist *el;
+- mpint *mp;
+- RSApriv* key;
++ Bytes *b;
++ RSApriv* key = nil;
+
+- key = rsaprivalloc();
+- if(decode(a->data, a->len, &e) != ASN_OK)
++ if(decode(buf, len, &e) != ASN_OK)
+ goto errret;
+- if(!is_seq(&e, &el) || elistlen(el) != 9)
++ if(!is_seq(&e, &el))
+ goto errret;
++
+ if(!is_int(&el->hd, &version) || version != 0)
+ goto errret;
+
++ if(elistlen(el) != 9){++ if(elistlen(el) == 3
++ && parse_alg(&el->tl->hd) == ALG_rsaEncryption
++ && is_octetstring(&el->tl->tl->hd, &b)){++ key = asn1toRSApriv(b->data, b->len);
++ if(key != nil)
++ goto done;
++ }
++ goto errret;
++ }
++
++ key = rsaprivalloc();
+ el = el->tl;
+- key->pub.n = mp = asn1mpint(&el->hd);
+- if(mp == nil)
++ if((key->pub.n = asn1mpint(&el->hd)) == nil)
+ goto errret;
+
+ el = el->tl;
+- key->pub.ek = mp = asn1mpint(&el->hd);
+- if(mp == nil)
++ if((key->pub.ek = asn1mpint(&el->hd)) == nil)
+ goto errret;
+
+ el = el->tl;
+- key->dk = mp = asn1mpint(&el->hd);
+- if(mp == nil)
++ if((key->dk = asn1mpint(&el->hd)) == nil)
+ goto errret;
+
+ el = el->tl;
+- key->q = mp = asn1mpint(&el->hd);
+- if(mp == nil)
++ if((key->q = asn1mpint(&el->hd)) == nil)
+ goto errret;
+
+ el = el->tl;
+- key->p = mp = asn1mpint(&el->hd);
+- if(mp == nil)
++ if((key->p = asn1mpint(&el->hd)) == nil)
+ goto errret;
+
+ el = el->tl;
+- key->kq = mp = asn1mpint(&el->hd);
+- if(mp == nil)
++ if((key->kq = asn1mpint(&el->hd)) == nil)
+ goto errret;
+
+ el = el->tl;
+- key->kp = mp = asn1mpint(&el->hd);
+- if(mp == nil)
++ if((key->kp = asn1mpint(&el->hd)) == nil)
+ goto errret;
+
+ el = el->tl;
+- key->c2 = mp = asn1mpint(&el->hd);
+- if(mp == nil)
++ if((key->c2 = asn1mpint(&el->hd)) == nil)
+ goto errret;
+
++done:
++ freevalfields(&e.val);
+ return key;
+ errret:
++ freevalfields(&e.val);
+ rsaprivfree(key);
+ return nil;
+ }
+@@ -2041,56 +2157,6 @@
+ return nil;
+ }
+
+-static mpint*
+-asn1mpint(Elem *e)
+-{+- Bytes *b;
+- mpint *mp;
+- int v;
+-
+- if(is_int(e, &v))
+- return itomp(v, nil);
+- if(is_bigint(e, &b)) {+- mp = betomp(b->data, b->len, nil);
+- freebytes(b);
+- return mp;
+- }
+- return nil;
+-}
+-
+-static mpint*
+-pkcs1pad(Bytes *b, mpint *modulus)
+-{+- int n = (mpsignif(modulus)+7)/8;
+- int pm1, i;
+- uchar *p;
+- mpint *mp;
+-
+- pm1 = n - 1 - b->len;
+- p = (uchar*)emalloc(n);
+- p[0] = 0;
+- p[1] = 1;
+- for(i = 2; i < pm1; i++)
+- p[i] = 0xFF;
+- p[pm1] = 0;
+- memcpy(&p[pm1+1], b->data, b->len);
+- mp = betomp(p, n, nil);
+- free(p);
+- return mp;
+-}
+-
+-RSApriv*
+-asn1toRSApriv(uchar *kd, int kn)
+-{+- Bytes *b;
+- RSApriv *key;
+-
+- b = makebytes(kd, kn);
+- key = decode_rsaprivkey(b);
+- freebytes(b);
+- return key;
+-}
+-
+ DSApriv*
+ asn1toDSApriv(uchar *kd, int kn)
+ {+@@ -2108,219 +2174,246 @@
+ * Our ASN.1 library doesn't return pointers into the original
+ * data array, so we need to do a little hand decoding.
+ */
+-static void
+-digest_certinfo(Bytes *cert, DigestFun digestfun, uchar *digest)
++static int
++digest_certinfo(uchar *cert, int ncert, DigestAlg *da, uchar *digest)
+ {+ uchar *info, *p, *pend;
+- ulong infolen;
+ int isconstr, length;
+ Tag tag;
+ Elem elem;
+
+- p = cert->data;
+- pend = cert->data + cert->len;
++ p = cert;
++ pend = cert + ncert;
+ if(tag_decode(&p, pend, &tag, &isconstr) != ASN_OK ||
+ tag.class != Universal || tag.num != SEQUENCE ||
+ length_decode(&p, pend, &length) != ASN_OK ||
+ p+length > pend ||
+ p+length < p)
+- return;
++ return -1;
+ info = p;
+ if(ber_decode(&p, pend, &elem) != ASN_OK)
+- return;
++ return -1;
+ freevalfields(&elem.val);
+ if(elem.tag.num != SEQUENCE)
+- return;
+- infolen = p - info;
+- (*digestfun)(info, infolen, digest, nil);
++ return -1;
++ (*da->fun)(info, p - info, digest, nil);
++ return da->len;
+ }
+
+-static char*
+-verify_signature(Bytes* signature, RSApub *pk, uchar *edigest, Elem **psigalg)
++mpint*
++pkcs1padbuf(uchar *buf, int len, mpint *modulus, int blocktype)
+ {+- Elem e;
+- Elist *el;
++ int i, n = (mpsignif(modulus)-1)/8;
++ int pad = n - 2 - len;
++ uchar *p;
++ mpint *mp;
++
++ if(pad < 8){++ werrstr("rsa modulus too small");++ return nil;
++ }
++ if((p = malloc(n)) == nil)
++ return nil;
++ p[0] = blocktype;
++ switch(blocktype){++ default:
++ case 1:
++ memset(p+1, 0xFF, pad);
++ break;
++ case 2:
++ for(i=1; i <= pad; i++)
++ p[i] = 1 + nfastrand(255);
++ break;
++ }
++ p[1+pad] = 0;
++ memmove(p+2+pad, buf, len);
++ mp = betomp(p, n, nil);
++ free(p);
++ return mp;
++}
++
++int
++pkcs1unpadbuf(uchar *buf, int len, mpint *modulus, int blocktype)
++{++ uchar *p = buf + 1, *e = buf + len;
++
++ if(len < 1 || len != (mpsignif(modulus)-1)/8 || buf[0] != blocktype)
++ return -1;
++ switch(blocktype){++ default:
++ case 1:
++ while(p < e && *p == 0xFF)
++ p++;
++ break;
++ case 2:
++ while(p < e && *p != 0x00)
++ p++;
++ break;
++ }
++ if(p - buf <= 8 || p >= e || *p++ != 0x00)
++ return -1;
++ memmove(buf, p, len = e - p);
++ return len;
++}
++
++static char Ebadsig[] = "bad signature";
++
++char*
++X509rsaverifydigest(uchar *sig, int siglen, uchar *edigest, int edigestlen, RSApub *pk)
++{++ mpint *x, *y;
++ DigestAlg **dp;
+ Bytes *digest;
+- uchar *pkcs1buf, *buf;
+- int buflen;
+- mpint *pkcs1;
+- int nlen;
++ uchar *buf;
++ int len;
+ char *err;
+
+- err = nil;
+- pkcs1buf = nil;
++ x = betomp(sig, siglen, nil);
++ y = rsaencrypt(pk, x, nil);
++ mpfree(x);
++ len = mptobe(y, nil, 0, &buf);
++ mpfree(y);
++
++ err = Ebadsig;
++ len = pkcs1unpadbuf(buf, len, pk->n, 1);
++ if(len == edigestlen && tsmemcmp(buf, edigest, edigestlen) == 0)
++ err = nil;
++ for(dp = digestalg; err != nil && *dp != nil; dp++){++ if((*dp)->len != edigestlen)
++ continue;
++ digest = encode_digest(*dp, edigest);
++ if(digest->len == len && tsmemcmp(digest->data, buf, len) == 0)
++ err = nil;
++ freebytes(digest);
++ }
++ free(buf);
++ return err;
++}
+
+- /* one less than the byte length of the modulus */
+- nlen = (mpsignif(pk->n)-1)/8;
++char*
++X509ecdsaverifydigest(uchar *sig, int siglen, uchar *edigest, int edigestlen, ECdomain *dom, ECpub *pub)
++{++ Elem e;
++ Elist *el;
++ mpint *r, *s;
++ char *err;
+
+- /* see 9.2.1 of rfc2437 */
+- pkcs1 = betomp(signature->data, signature->len, nil);
+- mpexp(pkcs1, pk->ek, pk->n, pkcs1);
+- buflen = mptobe(pkcs1, nil, 0, &pkcs1buf);
+- buf = pkcs1buf;
+- if(buflen != nlen || buf[0] != 1) {+- err = "expected 1";
++ r = s = nil;
++ err = Ebadsig;
++ if(decode(sig, siglen, &e) != ASN_OK)
+ goto end;
+- }
+- buf++;
+- while(buf[0] == 0xff)
+- buf++;
+- if(buf[0] != 0) {+- err = "expected 0";
++ if(!is_seq(&e, &el) || elistlen(el) != 2)
+ goto end;
+- }
+- buf++;
+- buflen -= buf-pkcs1buf;
+- if(decode(buf, buflen, &e) != ASN_OK || !is_seq(&e, &el) || elistlen(el) != 2 ||
+- !is_octetstring(&el->tl->hd, &digest)) {+- err = "signature parse error";
++ r = asn1mpint(&el->hd);
++ if(r == nil)
+ goto end;
+- }
+- *psigalg = &el->hd;
+- if(memcmp(digest->data, edigest, digest->len) == 0)
++ el = el->tl;
++ s = asn1mpint(&el->hd);
++ if(s == nil)
+ goto end;
+- err = "digests did not match";
+-
++ if(ecdsaverify(dom, pub, edigest, edigestlen, r, s))
++ err = nil;
+ end:
+- if(pkcs1 != nil)
+- mpfree(pkcs1);
+- if(pkcs1buf != nil)
+- free(pkcs1buf);
++ freevalfields(&e.val);
++ mpfree(s);
++ mpfree(r);
+ return err;
+ }
+
+-RSApub*
+-X509toRSApub(uchar *cert, int ncert, char *name, int nname)
++static void
++copysubject(char *name, int nname, char *subject)
+ {+ char *e;
+- Bytes *b;
++
++ if(name == nil)
++ return;
++ memset(name, 0, nname);
++ if(subject == nil)
++ return;
++ strncpy(name, subject, nname-1);
++ e = strchr(name, ',');
++ if(e != nil)
++ *e = 0; /* take just CN part of Distinguished Name */
++}
++
++ECpub*
++X509toECpub(uchar *cert, int ncert, char *name, int nname, ECdomain *dom)
++{+ CertX509 *c;
+- RSApub *pk;
++ ECpub *pub;
+
+- b = makebytes(cert, ncert);
+- c = decode_cert(b);
+- freebytes(b);
++ c = decode_cert(cert, ncert);
+ if(c == nil)
+ return nil;
+- if(name != nil && c->subject != nil){+- e = strchr(c->subject, ',');
+- if(e != nil)
+- *e = 0; /* take just CN part of Distinguished Name */
+- strncpy(name, c->subject, nname);
++ copysubject(name, nname, c->subject);
++ appendaltnames(name, nname, c->ext, 0);
++ pub = nil;
++ if(c->publickey_alg == ALG_ecPublicKey){++ ecdominit(dom, namedcurves[c->curve]);
++ pub = ecdecodepub(dom, c->publickey->data, c->publickey->len);
++ if(pub == nil)
++ ecdomfree(dom);
+ }
+- pk = decode_rsapubkey(c->publickey);
+ freecert(c);
+- return pk;
++ return pub;
+ }
+
+-int
+-getalgo(Elem *e)
++char*
++X509ecdsaverify(uchar *cert, int ncert, ECdomain *dom, ECpub *pk)
+ {+- Value *v;
+- Elist *el;
+- int a;
++ char *e;
++ CertX509 *c;
++ int digestlen;
++ uchar digest[MAXdlen];
+
+- if((a = parse_alg(e)) >= 0)
+- return a;
+- v = &e->val;
+- if(v->tag == VSeq){+- print("Seq\n");+- for(el = v->u.seqval; el!=nil; el = el->tl){+- if((a = getalgo(&el->hd)) >= 0)
+- return a;
+- }
++ c = decode_cert(cert, ncert);
++ if(c == nil)
++ return "cannot decode cert";
++ digestlen = digest_certinfo(cert, ncert, digestalg[c->signature_alg], digest);
++ if(digestlen <= 0){++ freecert(c);
++ return "cannot decode certinfo";
+ }
+- return -1;
++ e = X509ecdsaverifydigest(c->signature->data, c->signature->len, digest, digestlen, dom, pk);
++ freecert(c);
++ return e;
+ }
+
+-static void edump(Elem e);
+-
+ RSApub*
+-asn1toRSApub(uchar *der, int nder)
++X509toRSApub(uchar *cert, int ncert, char *name, int nname)
+ {+- Elem e;
+- Elist *el, *l;
+- int n;
+- Bits *b;
+- RSApub *key;
+- mpint *mp;
++ CertX509 *c;
++ RSApub *pub;
+
+- if(decode(der, nder, &e) != ASN_OK){+- print("didn't parse\n");+- return nil;
+- }
+- if(!is_seq(&e, &el)){+- print("no seq");+- return nil;
+- }
+- if((n = elistlen(el)) != 2){+- print("bad length %d\n", n);+- return nil;
+- }
+- if((n = getalgo(&el->hd)) < 0){+- print("no algo\n");+- return nil;
+- }
+- if(n != 0){+- print("cant do algorithm %d\n", n);+- return nil;
+- }
+- if(!is_bitstring(&el->tl->hd, &b)){+- print("no bits\n");+- return nil;
+- }
+- if(decode(b->data, b->len, &e) != ASN_OK){+- print("no second decode\n");+- return nil;
+- }
+- if(!is_seq(&e, &el)){+- print("no second seq\n");+- return nil;
+- }
+- if(elistlen(el) != 2){+- print("no second length\n");++ c = decode_cert(cert, ncert);
++ if(c == nil)
+ return nil;
+- }
+- key = rsapuballoc();
+-
+- l = el;
+-
+- key->n = mp = asn1mpint(&el->hd);
+- if(mp == nil)
+- goto errret;
+-
+- el = el->tl;
+- key->ek = mp = asn1mpint(&el->hd);
+- if(mp == nil)
+- goto errret;
+-
+- if(l != nil)
+- freeelist(l);
+- return key;
+-errret:
+- if(l != nil)
+- freeelist(l);
+- rsapubfree(key);
+- return nil;
++ copysubject(name, nname, c->subject);
++ appendaltnames(name, nname, c->ext, 0);
++ pub = nil;
++ if(c->publickey_alg == ALG_rsaEncryption)
++ pub = asn1toRSApub(c->publickey->data, c->publickey->len);
++ freecert(c);
++ return pub;
+ }
+
+ char*
+-X509verify(uchar *cert, int ncert, RSApub *pk)
++X509rsaverify(uchar *cert, int ncert, RSApub *pk)
+ {+ char *e;
+- Bytes *b;
+ CertX509 *c;
+- uchar digest[SHA1dlen];
+- Elem *sigalg;
++ int digestlen;
++ uchar digest[MAXdlen];
+
+- b = makebytes(cert, ncert);
+- c = decode_cert(b);
+- if(c != nil)
+- digest_certinfo(b, digestalg[c->signature_alg], digest);
+- freebytes(b);
++ c = decode_cert(cert, ncert);
+ if(c == nil)
+ return "cannot decode cert";
+- e = verify_signature(c->signature, pk, digest, &sigalg);
++ digestlen = digest_certinfo(cert, ncert, digestalg[c->signature_alg], digest);
++ if(digestlen <= 0){++ freecert(c);
++ return "cannot decode certinfo";
++ }
++ e = X509rsaverifydigest(c->signature->data, c->signature->len, digest, digestlen, pk);
+ freecert(c);
+ return e;
+ }
+@@ -2353,25 +2446,50 @@
+ mkbigint(mpint *p)
+ {+ Elem e;
+- uchar *buf;
+- int buflen;
+
+ e.tag.class = Universal;
+ e.tag.num = INTEGER;
+ e.val.tag = VBigInt;
+- buflen = mptobe(p, nil, 0, &buf);
+- e.val.u.bigintval = makebytes(buf, buflen);
+- free(buf);
++ e.val.u.bigintval = newbytes((mpsignif(p)+8)/8);
++ if(p->sign < 0){++ mpint *s = mpnew(e.val.u.bigintval->len*8+1);
++ mpleft(mpone, e.val.u.bigintval->len*8, s);
++ mpadd(p, s, s);
++ mptober(s, e.val.u.bigintval->data, e.val.u.bigintval->len);
++ mpfree(s);
++ } else {++ mptober(p, e.val.u.bigintval->data, e.val.u.bigintval->len);
++ }
+ return e;
+ }
+
++static int
++printable(char *s)
++{++ int c;
++
++ while((c = (uchar)*s++) != 0){++ if((c >= 'a' && c <= 'z')
++ || (c >= 'A' && c <= 'Z')
++ || (c >= '0' && c <= '9')
++ || strchr("'=()+,-./:? ", c) != nil)++ continue;
++ return 0;
++ }
++ return 1;
++}
++
++#define DirectoryString 0
++
+ static Elem
+-mkstring(char *s)
++mkstring(char *s, int t)
+ {+ Elem e;
+
++ if(t == DirectoryString)
++ t = printable(s) ? PrintableString : UTF8String;
+ e.tag.class = Universal;
+- e.tag.num = IA5String;
++ e.tag.num = t;
+ e.val.tag = VString;
+ e.val.u.stringval = estrdup(s);
+ return e;
+@@ -2411,7 +2529,7 @@
+ e.tag.class = Universal;
+ e.tag.num = UTCTime;
+ e.val.tag = VString;
+- snprint(utc, 50, "%.2d%.2d%.2d%.2d%.2d%.2dZ",
++ snprint(utc, sizeof(utc), "%.2d%.2d%.2d%.2d%.2d%.2dZ",
+ tm->year % 100, tm->mon+1, tm->mday, tm->hour, tm->min, tm->sec);
+ e.val.u.stringval = estrdup(utc);
+ return e;
+@@ -2460,24 +2578,26 @@
+ }
+
+ typedef struct Ints7pref {+- int len;
+- int data[7];
++ int len;
++ int data[7];
+ char prefix[4];
++ int stype;
+ } Ints7pref;
+ Ints7pref DN_oid[] = {+- {4, 2, 5, 4, 6, 0, 0, 0, "C="},+- {4, 2, 5, 4, 8, 0, 0, 0, "ST="},+- {4, 2, 5, 4, 7, 0, 0, 0, "L="},+- {4, 2, 5, 4, 10, 0, 0, 0, "O="},+- {4, 2, 5, 4, 11, 0, 0, 0, "OU="},+- {4, 2, 5, 4, 3, 0, 0, 0, "CN="},+- {7, 1,2,840,113549,1,9,1, "E="},++ {4, 2, 5, 4, 6, 0, 0, 0, "C=", PrintableString},++ {4, 2, 5, 4, 8, 0, 0, 0, "ST=",DirectoryString},++ {4, 2, 5, 4, 7, 0, 0, 0, "L=", DirectoryString},++ {4, 2, 5, 4, 10, 0, 0, 0, "O=", DirectoryString},++ {4, 2, 5, 4, 11, 0, 0, 0, "OU=",DirectoryString},++ {4, 2, 5, 4, 3, 0, 0, 0, "CN=",DirectoryString},++ {7, 1,2,840,113549,1,9,1, "E=", IA5String},++ {7, 0,9,2342,19200300,100,1,25, "DC=",IA5String},+ };
+
+ static Elem
+ mkname(Ints7pref *oid, char *subj)
+ {+- return mkset(mkel(mkseq(mkel(mkoid((Ints*)oid), mkel(mkstring(subj), nil))), nil));
++ return mkset(mkel(mkseq(mkel(mkoid((Ints*)oid), mkel(mkstring(subj, oid->stype), nil))), nil));
+ }
+
+ static Elem
+@@ -2501,167 +2621,519 @@
+ return mkseq(el);
+ }
+
+-uchar*
+-RSApubtoasn1(RSApub *pub, int *keylen)
++/*
++ * DigestInfo ::= SEQUENCE {++ * digestAlgorithm AlgorithmIdentifier,
++ * digest OCTET STRING }
++ */
++static Bytes*
++encode_digest(DigestAlg *da, uchar *digest)
+ {+- Elem pubkey;
+- Bytes *pkbytes;
+- uchar *key;
++ Bytes *b = nil;
++ Elem e = mkseq(
++ mkel(mkalg(da->alg),
++ mkel(mkoctet(digest, da->len),
++ nil)));
++ encode(e, &b);
++ freevalfields(&e.val);
++ return b;
++}
+
+- key = nil;
+- pubkey = mkseq(mkel(mkbigint(pub->n),mkel(mkint(mptoi(pub->ek)),nil)));
+- if(encode(pubkey, &pkbytes) != ASN_OK)
+- goto errret;
+- freevalfields(&pubkey.val);
+- pubkey = mkseq(
+- mkel(mkalg(ALG_rsaEncryption),
+- mkel(mkbits(pkbytes->data, pkbytes->len),
++int
++asn1encodedigest(DigestState* (*fun)(uchar*, ulong, uchar*, DigestState*), uchar *digest, uchar *buf, int len)
++{++ Bytes *bytes;
++ DigestAlg **dp;
++
++ for(dp = digestalg; *dp != nil; dp++){++ if((*dp)->fun != fun)
++ continue;
++ bytes = encode_digest(*dp, digest);
++ if(bytes == nil)
++ break;
++ if(bytes->len > len){++ freebytes(bytes);
++ break;
++ }
++ len = bytes->len;
++ memmove(buf, bytes->data, len);
++ freebytes(bytes);
++ return len;
++ }
++ return -1;
++}
++
++static Elem
++mkcont(int num, Elist *l)
++{++ Elem e = mkseq(l);
++ e.tag.class = Context;
++ e.tag.num = num;
++ return e;
++}
++
++static Elem
++mkaltname(char *s)
++{++ Elem e;
++ int i;
++
++ for(i=0; i<nelem(DN_oid); i++){++ if(strstr(s, DN_oid[i].prefix) != nil)
++ return mkcont(4, mkel(mkDN(s), nil)); /* DN */
++ }
++ e = mkstring(s, IA5String);
++ e.tag.class = Context;
++ e.tag.num = strchr(s, '@') != nil ? 1 : 2; /* email : DNS */
++ return e;
++}
++
++static Elist*
++mkaltnames(char *alts)
++{++ Elist *el;
++ char *s, *p;
++
++ if(alts == nil)
++ return nil;
++
++ el = nil;
++ alts = estrdup(alts);
++ for(s = alts; s != nil; s = p){++ while(*s == ' ')
++ s++;
++ if(*s == '\0')
++ break;
++ if((p = strchr(s, ',')) != nil)
++ *p++ = 0;
++ el = mkel(mkaltname(s), el);
++ }
++ free(alts);
++ return el;
++}
++
++static Elist*
++mkextel(Elem e, Ints *oid, Elist *el)
++{++ Bytes *b = nil;
++
++ if(encode(e, &b) == ASN_OK){++ el = mkel(mkseq(
++ mkel(mkoid(oid),
++ mkel(mkoctet(b->data, b->len),
++ nil))), el);
++ freebytes(b);
++ }
++ freevalfields(&e.val);
++ return el;
++}
++
++static Ints15 oid_subjectAltName = {4, 2, 5, 29, 17 };++static Ints15 oid_extensionRequest = { 7, 1, 2, 840, 113549, 1, 9, 14};++
++static Elist*
++mkextensions(char *alts, int isreq)
++{++ Elist *sl, *xl;
++
++ xl = nil;
++ if((sl = mkaltnames(alts)) != nil)
++ xl = mkextel(mkseq(sl), (Ints*)&oid_subjectAltName, xl);
++ if(xl != nil){++ xl = mkel(mkseq(xl), nil);
++ if(isreq)
++ xl = mkel(mkseq(
++ mkel(mkoid((Ints*)&oid_extensionRequest),
++ mkel(mkset(xl), nil))), nil);
++ }
++ if(isreq)
++ xl = mkel(mkcont(0, xl), nil);
++ else if(xl != nil)
++ xl = mkel(mkcont(3, xl), nil);
++ return xl;
++}
++
++static char*
++splitalts(char *s)
++{++ int q;
++
++ for(q = 0; *s != '\0'; s++){++ if(*s == '\'')
++ q ^= 1;
++ else if(q == 0 && *s == ','){++ *s++ = 0;
++ return s;
++ }
++ }
++ return nil;
++}
++
++static void
++appendaltnames(char *name, int nname, Bytes *ext, int isreq)
++{++ Elem eext, ealt, edn;
++ Elist *el, *l;
++ Ints *oid;
++ char *alt, *e;
++ int len;
++
++ if(name == nil || ext == nil)
++ return;
++ if(decode(ext->data, ext->len, &eext) != ASN_OK)
++ return;
++ if(isreq){++ if(!is_seq(&eext, &el) || elistlen(el) != 2)
++ goto errext;
++ if(!is_oid(&el->hd, &oid) || !ints_eq(oid, (Ints*)&oid_extensionRequest))
++ goto errext;
++ el = el->tl;
++ if(!is_set(&el->hd, &el))
++ goto errext;
++ if(!is_seq(&el->hd, &el))
++ goto errext;
++ } else {++ if(!is_seq(&eext, &el))
++ goto errext;
++ }
++ for(; el != nil; el = el->tl){++ if(!is_seq(&el->hd, &l) || elistlen(l) != 2)
++ goto errext;
++ if(!is_oid(&l->hd, &oid) || !ints_eq(oid, (Ints*)&oid_subjectAltName))
++ continue;
++ el = l->tl;
++ break;
++ }
++ if(el == nil)
++ goto errext;
++ if(!is_octetstring(&el->hd, &ext))
++ goto errext;
++ if(decode(ext->data, ext->len, &ealt) != ASN_OK)
++ goto errext;
++ if(!is_seq(&ealt, &el))
++ goto erralt;
++ for(; el != nil; el = el->tl){++ ext = el->hd.val.u.octetsval;
++ switch(el->hd.tag.num){++ default:
++ continue;
++ case 1: /* email */
++ case 2: /* DNS */
++ if(el->hd.val.tag != VOctets)
++ goto erralt;
++ alt = smprint("%.*s", ext->len, (char*)ext->data);++ break;
++ case 4: /* DN */
++ if(el->hd.val.tag != VOctets
++ || decode(ext->data, ext->len, &edn) != ASN_OK)
++ goto erralt;
++ alt = parse_name(&edn);
++ freevalfields(&edn.val);
++ break;
++ }
++ if(alt == nil)
++ goto erralt;
++ /* take just CN part of Distinguished Name */
++ if((e = strchr(alt, ',')) != nil)
++ *e = '\0';
++ len = strlen(alt);
++ if(strncmp(name, alt, len) == 0 && strchr(",", name[len]) != nil){++ free(alt); /* same as the subject */
++ continue;
++ }
++ if(name[0] != '\0')
++ strncat(name, ", ", nname-1);
++ strncat(name, alt, nname-1);
++ free(alt);
++ }
++erralt:
++ freevalfields(&ealt.val);
++errext:
++ freevalfields(&eext.val);
++}
++
++static Bytes*
++encode_rsapubkey(RSApub *pk)
++{++ Bytes *b = nil;
++ Elem e = mkseq(
++ mkel(mkbigint(pk->n),
++ mkel(mpsignif(pk->ek)<32 ? mkint(mptoi(pk->ek)) : mkbigint(pk->ek),
+ nil)));
+- freebytes(pkbytes);
+- if(encode(pubkey, &pkbytes) != ASN_OK)
+- goto errret;
+- if(keylen)
+- *keylen = pkbytes->len;
+- key = malloc(pkbytes->len);
+- memmove(key, pkbytes->data, pkbytes->len);
+- free(pkbytes);
+-errret:
+- freevalfields(&pubkey.val);
+- return key;
++ encode(e, &b);
++ freevalfields(&e.val);
++ return b;
++}
++
++static Bytes*
++encode_rsaprivkey(RSApriv *k)
++{++ Bytes *b = nil;
++ RSApub *pk = &k->pub;
++ Elem e = mkseq(
++ mkel(mkint(0),
++ mkel(mkbigint(pk->n),
++ mkel(mpsignif(pk->ek)<32 ? mkint(mptoi(pk->ek)) : mkbigint(pk->ek),
++ mkel(mkbigint(k->dk),
++ mkel(mkbigint(k->p),
++ mkel(mkbigint(k->q),
++ mkel(mkbigint(k->kp),
++ mkel(mkbigint(k->kq),
++ mkel(mkbigint(k->c2),
++ nil))))))))));
++ encode(e, &b);
++ freevalfields(&e.val);
++ return b;
++}
++
++int
++asn1encodeRSApub(RSApub *pk, uchar *buf, int len)
++{++ Bytes *b = encode_rsapubkey(pk);
++ if(b == nil)
++ return -1;
++ if(b->len > len){++ freebytes(b);
++ werrstr("buffer too small");++ return -1;
++ }
++ memmove(buf, b->data, len = b->len);
++ freebytes(b);
++ return len;
++}
++
++int
++asn1encodeRSApriv(RSApriv *k, uchar *buf, int len)
++{++ Bytes *b;
++ b = encode_rsaprivkey(k);
++ if(b == nil)
++ return -1;
++ if(b->len > len){++ freebytes(b);
++ werrstr("buffer too small");++ return -1;
++ }
++ memmove(buf, b->data, len = b->len);
++ freebytes(b);
++ return len;
+ }
+
+ uchar*
+-X509gen(RSApriv *priv, char *subj, ulong valid[2], int *certlen)
++X509rsagen(RSApriv *priv, char *subj, ulong valid[2], int *certlen)
+ {+- int serial = 0;
++ int serial = 0, sigalg = ALG_sha256WithRSAEncryption;
+ uchar *cert = nil;
+- RSApub *pk = rsaprivtopub(priv);
+ Bytes *certbytes, *pkbytes, *certinfobytes, *sigbytes;
+- Elem e, certinfo, issuer, subject, pubkey, validity, sig;
+- uchar digest[SHA2_256dlen], *buf;
++ Elem e, certinfo;
++ DigestAlg *da;
++ uchar digest[MAXdlen], *buf;
+ int buflen;
+ mpint *pkcs1;
++ char *alts;
+
+- e.val.tag = VInt; /* so freevalfields at errret is no-op */
+- issuer = mkDN(subj);
+- subject = mkDN(subj);
+- pubkey = mkseq(mkel(mkbigint(pk->n),mkel(mkint(mptoi(pk->ek)),nil)));
+- if(encode(pubkey, &pkbytes) != ASN_OK)
+- goto errret;
+- freevalfields(&pubkey.val);
+- pubkey = mkseq(
+- mkel(mkalg(ALG_rsaEncryption),
+- mkel(mkbits(pkbytes->data, pkbytes->len),
+- nil)));
+- freebytes(pkbytes);
+- validity = mkseq(
+- mkel(mkutc(valid[0]),
+- mkel(mkutc(valid[1]),
+- nil)));
+- certinfo = mkseq(
++ if((pkbytes = encode_rsapubkey(&priv->pub)) == nil)
++ return nil;
++
++ subj = estrdup(subj);
++ alts = splitalts(subj);
++
++ e = mkseq(
++ mkel(mkcont(0, mkel(mkint(2), nil)),
+ mkel(mkint(serial),
+- mkel(mkalg(ALG_sha256WithRSAEncryption),
+- mkel(issuer,
+- mkel(validity,
+- mkel(subject,
+- mkel(pubkey,
+- nil)))))));
+- if(encode(certinfo, &certinfobytes) != ASN_OK)
++ mkel(mkalg(sigalg),
++ mkel(mkDN(subj),
++ mkel(mkseq(
++ mkel(mkutc(valid[0]),
++ mkel(mkutc(valid[1]),
++ nil))),
++ mkel(mkDN(subj),
++ mkel(mkseq(
++ mkel(mkalg(ALG_rsaEncryption),
++ mkel(mkbits(pkbytes->data, pkbytes->len),
++ nil))),
++ mkextensions(alts, 0)))))))));
++ freebytes(pkbytes);
++ if(encode(e, &certinfobytes) != ASN_OK)
+ goto errret;
+- sha2_256(certinfobytes->data, certinfobytes->len, digest, 0);
++
++ da = digestalg[sigalg];
++ (*da->fun)(certinfobytes->data, certinfobytes->len, digest, 0);
+ freebytes(certinfobytes);
+- sig = mkseq(
+- mkel(mkalg(ALG_sha256),
+- mkel(mkoctet(digest, SHA2_256dlen),
+- nil)));
+- if(encode(sig, &sigbytes) != ASN_OK)
++ certinfo = e;
++
++ sigbytes = encode_digest(da, digest);
++ if(sigbytes == nil)
+ goto errret;
+- pkcs1 = pkcs1pad(sigbytes, pk->n);
++ pkcs1 = pkcs1padbuf(sigbytes->data, sigbytes->len, priv->pub.n, 1);
+ freebytes(sigbytes);
++ if(pkcs1 == nil)
++ goto errret;
++
+ rsadecrypt(priv, pkcs1, pkcs1);
+ buflen = mptobe(pkcs1, nil, 0, &buf);
+ mpfree(pkcs1);
+ e = mkseq(
+ mkel(certinfo,
+- mkel(mkalg(ALG_sha256WithRSAEncryption),
++ mkel(mkalg(sigalg),
+ mkel(mkbits(buf, buflen),
+ nil))));
+ free(buf);
+ if(encode(e, &certbytes) != ASN_OK)
+ goto errret;
+- if(certlen)
++ if(certlen != nil)
+ *certlen = certbytes->len;
+- cert = certbytes->data;
++ cert = (uchar*)certbytes;
++ memmove(cert, certbytes->data, certbytes->len);
+ errret:
+ freevalfields(&e.val);
++ free(subj);
+ return cert;
+ }
+
+ uchar*
+-X509req(RSApriv *priv, char *subj, int *certlen)
++X509rsareq(RSApriv *priv, char *subj, int *certlen)
+ {+ /* RFC 2314, PKCS #10 Certification Request Syntax */
+- int version = 0;
++ int version = 0, sigalg = ALG_sha256WithRSAEncryption;
+ uchar *cert = nil;
+- RSApub *pk = rsaprivtopub(priv);
+ Bytes *certbytes, *pkbytes, *certinfobytes, *sigbytes;
+- Elem e, certinfo, subject, pubkey, sig;
+- uchar digest[SHA2_256dlen], *buf;
++ Elem e, certinfo;
++ DigestAlg *da;
++ uchar digest[MAXdlen], *buf;
+ int buflen;
+ mpint *pkcs1;
++ char *alts;
+
+- e.val.tag = VInt; /* so freevalfields at errret is no-op */
+- subject = mkDN(subj);
+- pubkey = mkseq(mkel(mkbigint(pk->n),mkel(mkint(mptoi(pk->ek)),nil)));
+- if(encode(pubkey, &pkbytes) != ASN_OK)
+- goto errret;
+- freevalfields(&pubkey.val);
+- pubkey = mkseq(
+- mkel(mkalg(ALG_rsaEncryption),
+- mkel(mkbits(pkbytes->data, pkbytes->len),
+- nil)));
+- freebytes(pkbytes);
+- certinfo = mkseq(
++ if((pkbytes = encode_rsapubkey(&priv->pub)) == nil)
++ return nil;
++
++ subj = estrdup(subj);
++ alts = splitalts(subj);
++
++ e = mkseq(
+ mkel(mkint(version),
+- mkel(subject,
+- mkel(pubkey,
+- nil))));
+- if(encode(certinfo, &certinfobytes) != ASN_OK)
++ mkel(mkDN(subj),
++ mkel(mkseq(
++ mkel(mkalg(ALG_rsaEncryption),
++ mkel(mkbits(pkbytes->data, pkbytes->len),
++ nil))),
++ mkextensions(alts, 1)))));
++ freebytes(pkbytes);
++ if(encode(e, &certinfobytes) != ASN_OK)
+ goto errret;
+- sha2_256(certinfobytes->data, certinfobytes->len, digest, 0);
++ da = digestalg[sigalg];
++ (*da->fun)(certinfobytes->data, certinfobytes->len, digest, 0);
+ freebytes(certinfobytes);
+- sig = mkseq(
+- mkel(mkalg(ALG_sha256),
+- mkel(mkoctet(digest, SHA2_256dlen),
+- nil)));
+- if(encode(sig, &sigbytes) != ASN_OK)
++ certinfo = e;
++
++ sigbytes = encode_digest(da, digest);
++ if(sigbytes == nil)
+ goto errret;
+- pkcs1 = pkcs1pad(sigbytes, pk->n);
++ pkcs1 = pkcs1padbuf(sigbytes->data, sigbytes->len, priv->pub.n, 1);
+ freebytes(sigbytes);
++ if(pkcs1 == nil)
++ goto errret;
++
+ rsadecrypt(priv, pkcs1, pkcs1);
+ buflen = mptobe(pkcs1, nil, 0, &buf);
+ mpfree(pkcs1);
+ e = mkseq(
+ mkel(certinfo,
+- mkel(mkalg(ALG_sha256),
++ mkel(mkalg(sigalg),
+ mkel(mkbits(buf, buflen),
+ nil))));
+ free(buf);
+ if(encode(e, &certbytes) != ASN_OK)
+ goto errret;
+- if(certlen)
++ if(certlen != nil)
+ *certlen = certbytes->len;
+- cert = certbytes->data;
++ cert = (uchar*)certbytes;
++ memmove(cert, certbytes->data, certbytes->len);
+ errret:
+ freevalfields(&e.val);
++ free(subj);
+ return cert;
+ }
+
++RSApub*
++X509reqtoRSApub(uchar *req, int nreq, char *name, int nname)
++{++ Elem ereq;
++ Elist *el;
++ char *subject;
++ Bits *bits;
++ RSApub *pub;
++
++ pub = nil;
++ if(decode(req, nreq, &ereq) != ASN_OK)
++ goto errret;
++ if(!is_seq(&ereq, &el) || elistlen(el) != 3)
++ goto errret;
++ if(!is_seq(&el->hd, &el) || elistlen(el) < 3)
++ goto errret;
++ el = el->tl;
++ subject = parse_name(&el->hd);
++ if(subject == nil)
++ goto errret;
++ copysubject(name, nname, subject);
++ free(subject);
++ el = el->tl;
++ if(el->tl != nil
++ && el->tl->hd.tag.class == Context
++ && el->tl->hd.tag.num == 0
++ && el->tl->hd.val.tag == VOctets)
++ appendaltnames(name, nname, el->tl->hd.val.u.octetsval, 1);
++ if(!is_seq(&el->hd, &el) || elistlen(el) != 2)
++ goto errret;
++ if(parse_alg(&el->hd) != ALG_rsaEncryption)
++ goto errret;
++ el = el->tl;
++ if(!is_bitstring(&el->hd, &bits))
++ goto errret;
++ pub = asn1toRSApub(bits->data, bits->len);
++ if(pub == nil)
++ goto errret;
++errret:
++ freevalfields(&ereq.val);
++ return pub;
++}
++
++static void
++digestSPKI(int alg, uchar *pubkey, int npubkey, DigestState* (*fun)(uchar*, ulong, uchar*, DigestState*), uchar *digest)
++{++ Bytes *b = nil;
++ Elem e = mkseq(mkel(mkalg(alg), mkel(mkbits(pubkey, npubkey), nil)));
++ encode(e, &b);
++ freevalfields(&e.val);
++ (*fun)(b->data, b->len, digest, nil);
++ freebytes(b);
++}
++
++int
++X509digestSPKI(uchar *cert, int ncert, DigestState* (*fun)(uchar*, ulong, uchar*, DigestState*), uchar *digest)
++{++ CertX509 *c;
++
++ c = decode_cert(cert, ncert);
++ if(c == nil){++ werrstr("cannot decode cert");++ return -1;
++ }
++ digestSPKI(c->publickey_alg, c->publickey->data, c->publickey->len, fun, digest);
++ freecert(c);
++ return 0;
++}
++
+ static char*
+ tagdump(Tag tag)
+ {+- if(tag.class != Universal)
+- return smprint("class%d,num%d", tag.class, tag.num);++ static char buf[32];
++
++ if(tag.class != Universal){++ snprint(buf, sizeof(buf), "class%d,num%d", tag.class, tag.num);
++ return buf;
++ }
+ switch(tag.num){+ case BOOLEAN: return "BOOLEAN";
+ case INTEGER: return "INTEGER";
+@@ -2690,7 +3162,8 @@
+ case UniversalString: return "UniversalString";
+ case BMPString: return "BMPString";
+ default:
+- return smprint("Universal,num%d", tag.num);++ snprint(buf, sizeof(buf), "Universal,num%d", tag.num);
++ return buf;
+ }
+ }
+
+@@ -2710,10 +3183,7 @@
+ case VBigInt: print("BigInt[%d] %.2x%.2x...",v.u.bigintval->len,v.u.bigintval->data[0],v.u.bigintval->data[1]); break;+ case VReal: print("Real..."); break;+ case VOther: print("Other..."); break;+- case VBitString: print("BitString");+- for(i = 0; i<v.u.bitstringval->len; i++)
+- print(" %02x", v.u.bitstringval->data[i]);+- break;
++ case VBitString: print("BitString[%d]...", v.u.bitstringval->len*8 - v.u.bitstringval->unusedbits); break;+ case VNull: print("Null"); break;+ case VEOC: print("EOC..."); break;+ case VObjId: print("ObjId");+@@ -2749,20 +3219,24 @@
+ X509dump(uchar *cert, int ncert)
+ {+ char *e;
+- Bytes *b;
+ CertX509 *c;
+- RSApub *pk;
+- uchar digest[SHA1dlen];
+- Elem *sigalg;
++ RSApub *rsapub;
++ ECpub *ecpub;
++ ECdomain ecdom;
++ int digestlen;
++ uchar digest[MAXdlen];
+
+ print("begin X509dump\n");+- b = makebytes(cert, ncert);
+- c = decode_cert(b);
+- if(c != nil)
+- digest_certinfo(b, digestalg[c->signature_alg], digest);
+- freebytes(b);
++ c = decode_cert(cert, ncert);
+ if(c == nil){+- print("cannot decode cert");++ print("cannot decode cert\n");++ return;
++ }
++
++ digestlen = digest_certinfo(cert, ncert, digestalg[c->signature_alg], digest);
++ if(digestlen <= 0){++ freecert(c);
++ print("cannot decode certinfo\n");+ return;
+ }
+
+@@ -2770,20 +3244,47 @@
+ print("issuer %s\n", c->issuer);+ print("validity %s %s\n", c->validity_start, c->validity_end);+ print("subject %s\n", c->subject);+- pk = decode_rsapubkey(c->publickey);
+- print("pubkey e=%B n(%d)=%B\n", pk->ek, mpsignif(pk->n), pk->n);+-
+- print("sigalg=%d digest=%.*H\n", c->signature_alg, SHA2_256dlen, digest);+- e = verify_signature(c->signature, pk, digest, &sigalg);
+- if(e==nil){+- e = "nil (meaning ok)";
+- print("sigalg=\n");+- if(sigalg)
+- edump(*sigalg);
++ print("sigalg=%d digest=%.*H\n", c->signature_alg, digestlen, digest);++ print("publickey_alg=%d pubkey[%d] %.*H\n", c->publickey_alg, c->publickey->len,++ c->publickey->len, c->publickey->data);
++
++ switch(c->publickey_alg){++ case ALG_rsaEncryption:
++ rsapub = asn1toRSApub(c->publickey->data, c->publickey->len);
++ if(rsapub != nil){++ print("rsa pubkey e=%B n(%d)=%B\n", rsapub->ek, mpsignif(rsapub->n), rsapub->n);++ e = X509rsaverifydigest(c->signature->data, c->signature->len,
++ digest, digestlen, rsapub);
++ if(e==nil)
++ e = "nil (meaning ok)";
++ print("self-signed X509rsaverifydigest returns: %s\n", e);++ rsapubfree(rsapub);
++ }
++ break;
++ case ALG_ecPublicKey:
++ ecdominit(&ecdom, namedcurves[c->curve]);
++ ecpub = ecdecodepub(&ecdom, c->publickey->data, c->publickey->len);
++ if(ecpub != nil){++ e = X509ecdsaverifydigest(c->signature->data, c->signature->len,
++ digest, digestlen, &ecdom, ecpub);
++ if(e==nil)
++ e = "nil (meaning ok)";
++ print("self-signed X509ecdsaverifydigest returns: %s\n", e);++ ecpubfree(ecpub);
++ }
++ ecdomfree(&ecdom);
++ break;
+ }
+- print("self-signed verify_signature returns: %s\n", e);+
+- rsapubfree(pk);
++ digestSPKI(c->publickey_alg, c->publickey->data, c->publickey->len, sha2_256, digest);
++ print("publickey_thumbprint sha256=%.*[\n", SHA2_256dlen, digest);++
++ sha2_256(cert, ncert, digest, nil);
++ print("cert_thumbprint sha256=%.*[\n", SHA2_256dlen, digest);++
++ sha1(cert, ncert, digest, nil);
++ print("cert_thumbprint sha1=%.*H\n", SHA1dlen, digest);++
+ freecert(c);
+ print("end X509dump\n");+ }
--- /dev/null
+++ b/9legacy/README
@@ -1,0 +1,1 @@
+Various 9legacy patches copied from adr (MIT licensed)
--- /dev/null
+++ b/9legacy/abaco_fix_relative_urls.diff
@@ -1,0 +1,107 @@
+--- sys/src/cmd/abaco/urls.c Wed Jul 29 17:23:32 2009
++++ /sys/src/cmd/abaco/urls.c Fri Jul 16 16:19:54 2021
+@@ -127,55 +127,74 @@
+
+ void
+ urlcanon(Rune *name){+- Rune *s, *t;
++ Rune *s, *e, *tail, tailr;
+ Rune **comp, **p, **q;
+- int rooted;
++ int n;
++
++ name = runestrstr(name, L"://");
++ if(name == nil)
++ return;
++ name = runestrchr(name+3, '/');
++ if(name == nil)
++ return;
++ if(*name == L'/')
++ name++;
++
++ n = 0;
++ for(e = name; *e != 0; e++)
++ if(*e == L'/')
++ n++;
++ comp = emalloc((n+2)*sizeof *comp);
+
+- name = runestrchr(name, L'/')+2;
+- rooted=name[0]==L'/';
+ /*
+ * Break the name into a list of components
+ */
+- comp=emalloc(runestrlen(name)*sizeof(char *));
+ p=comp;
+ *p++=name;
+- for(s=name;;s++){+- if(*s==L'/'){+- *p++=s+1;
+- *s='\0';
+- }
+- else if(*s=='\0')
++ tail = nil;
++ tailr = L'☺'; /* silence compiler */
++ for(s = name; *s != 0; s++){++ if(*s == '?' || *s == '#'){++ tail = s+1;
++ tailr = *s;
++ *s = 0;
+ break;
++ }
++ else if(*s == L'/'){++ *p++ = s+1;
++ *s = 0;
++ }
+ }
+- *p=0;
++
+ /*
+ * go through the component list, deleting components that are empty (except
+- * the last component) or ., and any .. and its non-.. predecessor.
++ * the last component) or ., and any .. and its predecessor.
+ */
+- p=q=comp;
+- while(*p){+- if(runestrcmp(*p, L"")==0 && p[1]!=0
+- || runestrcmp(*p, L".")==0)
+- p++;
+- else if(runestrcmp(*p, L"..")==0 && q!=comp && runestrcmp(q[-1], L"..")!=0){+- --q;
+- p++;
+- }
++ for(p = q = comp; *p != nil; p++){++ if(runestrcmp(*p, L"") == 0 && p[1] != nil
++ || runestrcmp(*p, L".") == 0)
++ continue;
++ else if(q>comp && runestrcmp(*p, L"..") == 0 && runestrcmp(q[-1], L"..") != 0)
++ q--;
+ else
+- *q++=*p++;
++ *q++=*p;
+ }
+- *q=0;
++ *q = nil;
++
+ /*
+ * rebuild the path name
+ */
+ s=name;
+- if(rooted) *s++='/';
+- for(p=comp;*p;p++){+- t=*p;
+- while(*t) *s++=*t++;
+- if(p[1]!=0) *s++='/';
++ for(p = comp; p<q; p++){++ n = runestrlen(*p);
++ memmove(s, *p, sizeof(Rune)*n);
++ s += n;
++ if(p[1] != nil)
++ *s++ = '/';
+ }
+- *s='\0';
++ *s = 0;
++ if(tail)
++ runeseprint(s, e+1, "%C%S", tailr, tail);
+ free(comp);
+ }
+
--- /dev/null
+++ b/9legacy/hget_SNI.diff
@@ -1,0 +1,10 @@
+--- sys/src/cmd/hget.c Tue Feb 9 20:28:48 2010
++++ /sys/src/cmd/hget.c Thu Jul 15 09:22:35 2021
+@@ -353,6 +353,7 @@
+ TLSconn conn;
+
+ memset(&conn, 0, sizeof conn);
++ conn.serverName = u->host;
+ tfd = tlsClient(fd, &conn);
+ if(tfd < 0){+ fprint(2, "tlsClient: %r\n");
--- /dev/null
+++ b/9legacy/keyboard_h.diff
@@ -1,0 +1,99 @@
+--- /n/dump/2021/0627//sys/include/keyboard.h Thu Nov 10 16:48:16 2005
++++ /sys/include/keyboard.h Mon Jul 12 15:41:12 2021
+@@ -22,25 +22,45 @@
+ enum {+ KF= 0xF000, /* Rune: beginning of private Unicode space */
+ Spec= 0xF800,
++ PF= Spec|0x20, /* num pad function key */
++ Kview= Spec|0x00, /* view (shift window up) */
+ /* KF|1, KF|2, ..., KF|0xC is F1, F2, ..., F12 */
+ Khome= KF|0x0D,
+ Kup= KF|0x0E,
++ Kdown= Kview,
+ Kpgup= KF|0x0F,
+ Kprint= KF|0x10,
+ Kleft= KF|0x11,
+ Kright= KF|0x12,
+- Kdown= Spec|0x00,
+- Kview= Spec|0x00,
+ Kpgdown= KF|0x13,
+ Kins= KF|0x14,
+- Kend= KF|0x18,
+
+- Kalt= KF|0x15,
++ Kalt= KF|0x15,
+ Kshift= KF|0x16,
+- Kctl= KF|0x17,
++ Kctl= KF|0x17,
++
++ Kend= KF|0x18,
++ Kscroll= KF|0x19,
++ Kscrolloneup= KF|0x20,
++ Kscrollonedown= KF|0x21,
+
++ Ksoh= 0x01,
++ Kstx= 0x02,
++ Ketx= 0x03,
++ Keof= 0x04,
++ Kenq= 0x05,
++ Kack= 0x06,
+ Kbs= 0x08,
++ Knack= 0x15,
++ Ketb= 0x17,
+ Kdel= 0x7f,
+ Kesc= 0x1b,
+- Keof= 0x04,
++
++ Kbreak= Spec|0x61,
++ Kcaps= Spec|0x64,
++ Knum= Spec|0x65,
++ Kmiddle= Spec|0x66,
++ Kaltgr= Spec|0x67,
++ Kmod4= Spec|0x68,
++ Kmouse= Spec|0x100,
+ };
+--- sys/src/cmd/abaco/dat.h Wed Jul 29 17:23:32 2009
++++ /sys/src/cmd/abaco/dat.h Wed Jul 14 01:53:01 2021
+@@ -344,12 +344,6 @@
+ char *charset;
+ int procstderr;
+
+-enum
+-{+- Kscrolloneup = KF|0x20,
+- Kscrollonedown = KF|0x21,
+-};
+-
+ Channel *cplumb; /* chan(Plumbmsg*) */
+ Channel *cexit; /* chan(int) */
+ Channel *crefresh; /* chan(page *) */
+--- sys/src/cmd/acme/dat.h Mon Jun 28 14:17:37 2021
++++ /sys/src/cmd/acme/dat.h Wed Jul 14 01:58:53 2021
+@@ -533,12 +533,6 @@
+ int messagesize; /* negotiated in 9P version setup */
+ int globalautoindent;
+
+-enum
+-{+- Kscrolloneup = KF|0x20,
+- Kscrollonedown = KF|0x21,
+-};
+-
+ Channel *cplumb; /* chan(Plumbmsg*) */
+ Channel *cwait; /* chan(Waitmsg) */
+ Channel *ccommand; /* chan(Command*) */
+--- sys/src/cmd/rio/dat.h Sun Oct 17 01:43:59 2004
++++ /sys/src/cmd/rio/dat.h Wed Jul 14 02:15:57 2021
+@@ -22,12 +22,6 @@
+ QMAX,
+ };
+
+-enum
+-{+- Kscrolloneup = KF|0x20,
+- Kscrollonedown = KF|0x21,
+-};
+-
+ #define STACK 8192
+
+ typedef struct Consreadmesg Consreadmesg;
--- /dev/null
+++ b/9legacy/list
@@ -1,0 +1,41 @@
+# Consider all my changes under the MIT license.
+# The code from other sources is MIT licensed except when noticed.
+
+# Update (Jul 15, 2021) to Richard Miller's rpi kernel.
+9_bcm.diff
+
+# Delete liboventi from /sys/src/mkfile
+sys_src_mkfile_no_liboventi.diff
+
+# Support for UAS protocol and workaround a bug forcing to close
+# the endpoints.
+usb_uas_and_close_ep.diff
+
+# Import (Jul 15, 2021) ciphers from 9front.
+9front_libsec.diff
+
+# Support SNI (server name indication).
+webfs_SNI.diff
+hget_SNI.diff
+
+# Import Russ Cox's " and "" scripts and make them work with acme.
+quote1_quote2_acme.diff
+
+# Remove the limit on chunk lengths in the png decoder.
+readpng_alloc_chunk_length.diff
+
+# Add key definitions.
+keyboard_h.diff
+
+# Increase maximum length of a ctl message, the maximum URL length of
+# most web browsers is >= 2048.
+webfs_increase_max_ctl_message_len.diff
+
+# Fix relative urls, by Erik Quastrom
+# (https://www.mail-archive.com/9fans@9fans.net/msg24197.html)
+abaco_fix_relative_urls.diff
+
+# Add 'l' command and '-l' option to change samterm's /dev/label. If
+# samriosnarf is in /env sam will use rio's snarf buffer instead of
+# the internal one.
+sam_label_command_riosnarf.diff
--- /dev/null
+++ b/9legacy/quote1_quote2_acme.diff
@@ -1,0 +1,44 @@
+--- /dev/null Mon Jun 28 00:12:24 2021
++++ /rc/bin/" Mon Jun 28 16:35:32 2021
+@@ -0,0 +1,25 @@
++#!/bin/rc
++
++rfork en
++
++PROMPT='[^ ]*(%|;)[ ]+'
++
++if(test -d /mnt/wsys/acme)
++ TEXTFILE=/mnt/acme/$winid/body
++if not TEXTFILE=/dev/text
++
++fn cmds {++ grep '^'$PROMPT'[^"]' $TEXTFILE | sed 's/^/ /'
++}
++
++switch($#*) {++case 0
++ cmds | tail -1
++case *
++ cmds | grep '^ '$PROMPT^$"* | {echo; cat} |++ pr -t -n | sort -nr | sort -u +1 | sort -n |
++ sed 's/^ *[0-9]+ //' | grep .
++}
++
++# the silly {echo; cat} gets around pr printing "empty file" when++# presented with no input.
+--- /dev/null Mon Jun 28 00:12:24 2021
++++ /rc/bin/"" Wed Jun 9 08:46:48 2021
+@@ -0,0 +1,13 @@
++#!/bin/rc
++
++PROMPT='[^ ]*(%|;)+[ ]+'
++
++_x = `{" $* | tail -1}++if(~ $#_x 0) {++ echo no such command found >[1=2]
++ exit notfound
++}
++
++echo ' ' $_x >[1=2]
++_x=`{ echo -n 'eval '''; echo $_x | sed 's/^'$PROMPT'//; s/''/''''/g; s/$/''/'}++rc -c $"_x
--- /dev/null
+++ b/9legacy/readpng_alloc_chunk_length.diff
@@ -1,0 +1,143 @@
+--- /n/dump/2021/0627/sys/src/cmd/jpg/readpng.c Thu Jan 24 23:39:55 2013
++++ /sys/src/cmd/jpg/readpng.c Tue Jul 13 11:16:50 2021
+@@ -10,8 +10,6 @@
+
+ enum
+ {+- IDATSIZE = 1000000,
+-
+ /* filtering algorithms */
+ FilterNone = 0, /* new[x][y] = buf[x][y] */
+ FilterSub = 1, /* new[x][y] = buf[x][y] + new[x-1][y] */
+@@ -51,7 +49,6 @@
+ struct ZlibR
+ {+ Biobuf *io; /* input buffer */
+- uchar *buf; /* malloc'ed staging buffer */
+ uchar *p; /* next byte to decompress */
+ uchar *e; /* end of buffer */
+ ZlibW *w;
+@@ -94,19 +91,28 @@
+ }
+
+ static int
+-getchunk(Biobuf *b, char *type, uchar *d, int m)
++chunklen(Biobuf *b)
++{++ ulong n;
++
++ uchar buf[4];
++
++ if(Bread(b, buf, 4) != 4 || (n=get4(buf)) > 0x7FFFFFFF)
++ return -1;
++ return n;
++}
++
++static int
++getchunk(Biobuf *b, char *type, uchar *d, int n)
+ {+- uchar buf[8];
++ uchar buf[4];
+ ulong crc = 0, crc2;
+- int n, nr;
++ int nr;
+
+- if(Bread(b, buf, 8) != 8)
++ if(Bread(b, buf, 4) != 4)
+ return -1;
+- n = get4(buf);
+- memmove(type, buf+4, 4);
++ memmove(type, buf, 4);
+ type[4] = 0;
+- if(n > m)
+- sysfatal("getchunk needed %d, had %d", n, m);+ nr = Bread(b, d, n);
+ if(nr != n)
+ sysfatal("getchunk read %d, expected %d", nr, n);+@@ -117,7 +123,7 @@
+ crc2 = get4(buf);
+ if(crc != crc2)
+ sysfatal("getchunk crc failed");+- return n;
++ return 0;
+ }
+
+ static int
+@@ -129,25 +135,31 @@
+
+ if(z->p >= z->e){+ Again:
+- z->p = z->buf;
++ n = chunklen(z->io);
++ if(n < 0)
++ return -1;
++ z->p = pngmalloc(n, 0);
+ z->e = z->p;
+- n = getchunk(z->io, type, z->p, IDATSIZE);
+- if(n < 0 || strcmp(type, "IEND") == 0)
++ getchunk(z->io, type, z->p, n);
++ if(strcmp(type, "IEND") == 0){++ free(z->p);
+ return -1;
++ }
+ z->e = z->p + n;
+ if(!strcmp(type,"PLTE")){+ if(n < 3 || n > 3*256 || n%3)
+ sysfatal("invalid PLTE chunk len %d", n);+ memcpy(z->w->palette, z->p, n);
+ z->w->palsize = 256;
++ free(z->p);
+ goto Again;
+ }
+- if(type[0] & PropertyBit)
++ if(type[0] & PropertyBit){++ free(z->p);
+ goto Again; /* skip auxiliary chunks fornow */
+- if(strcmp(type,"IDAT")){+- sysfatal("unrecognized mandatory chunk %s", type);+- goto Again;
+ }
++ if(strcmp(type,"IDAT"))
++ sysfatal("unrecognized mandatory chunk %s", type);+ }
+ return *z->p++;
+ }
+@@ -388,13 +400,18 @@
+ ZlibR zr;
+ ZlibW zw;
+
+- buf = pngmalloc(IDATSIZE, 0);
++ buf = pngmalloc(sizeof PNGmagic, 0);
+ if(Bread(b, buf, sizeof PNGmagic) != sizeof PNGmagic ||
+ memcmp(PNGmagic, buf, sizeof PNGmagic) != 0)
+ sysfatal("bad PNGmagic");++ free(buf);
+
+- n = getchunk(b, type, buf, IDATSIZE);
+- if(n < 13 || strcmp(type,"IHDR") != 0)
++ n = chunklen(b);
++ if(n < 13)
++ sysfatal("wrong IHDR chunk length");++ buf = pngmalloc(n, 0);
++ getchunk(b, type, buf, n);
++ if(strcmp(type,"IHDR") != 0)
+ sysfatal("missing IHDR chunk");+ h = buf;
+ dx = get4(h);
+@@ -460,7 +477,7 @@
+ memset(&zr, 0, sizeof zr);
+ zr.w = &zw;
+ zr.io = b;
+- zr.buf = buf;
++ free(buf);
+
+ memset(&zw, 0, sizeof zw);
+ if(useadam7)
+@@ -483,7 +500,6 @@
+ if(err)
+ sysfatal("inflatezlib %s\n", flateerr(err));+
+- free(buf);
+ free(zw.scan);
+ free(zw.lastscan);
+ return image;
--- /dev/null
+++ b/9legacy/rpi4_usb_installation_example
@@ -1,0 +1,122 @@
+Installation example in a usb disk using
+http://9p.io/sources/contrib/miller/9pi.img.gz as host.
+
+First apply http://adr.freeshell.org/plan9/patches/usb_uas_and_close_ep.diff
+on the host if you have problems with your usb disk or you are going
+to connect and disconnect usb devices several times (e.g. using a kvm switch).
+
+; partfs /dev/sdU0.0/data
+; diskparts /dev/sdXX
+; disk/fdisk /dev/sdXX/data
+>>> a p1 0 15
+>>> t p1 FAT32
+>>> a p2 . $
+>>> w
+>>> q
+
+; disk/format -r 2 -d /dev/sdXX/dos
+; disk/prep /dev/sdXX/plan9
+no plan9 partition table found
+ empty 0 3518582819 (3518582819 sectors, 1.63 TB)
+>>> a nvram 2 3
+>>> a fossil . .+4G
+>>> a arenas0 . .+59G
+>>> a isect0 . .+3093300k
+>>> a other . $
+>>> p
+ empty 0 2 (2 sectors, 1.00 KB)
+ nvram 2 3 (1 sectors, 512 B )
+ fossil 3 8388611 (8388608 sectors, 4.00 GB)
+ arenas0 8388611 132120579 (123731968 sectors, 59.00 GB)
+ isect0 132120579 138307179 (6186600 sectors, 2.95 GB)
+ other 138307179 7813550115 (7675242936 sectors, 3.57 TB)
+
+# No bloom filter for now.
+
+; fossil/flfmt /dev/sdXX/fossil
+; fossil/flfmt /dev/sdXX/other
+
+; cat flconf
+srv -p fscons
+srv fossil
+fsys main config /dev/sdXX/fossil
+fsys other config /dev/sdXX/other
+fsys main open -AW
+fsys other open -AWV
+fsys main
+
+; fossil/conf -w /dev/sdXX/fossil flconf
+; fossil/fossil -m 20 -f /dev/sdXX/fossil -c 'srv -AWP fossil.new' -c 'srv -p fscons.new'
+; mount -c /srv/fossil.new /n/fossil.new
+
+; venti/fmtarenas arenas0 /dev/sdXX/arenas0
+; venti/fmtisect isect0 /dev/sdC0/isect0
+; cat vtconf
+index main
+isect /dev/sdXX/isect0
+arenas /dev/sdXX/arenas0
+httpaddr tcp!*!80
+
+; venti/fmtindex vtconf
+; venti/conf -w /dev/sdXX/arenas0 <vtconf
+
+; hget http://ftp.osuosl.org/pub/plan9/history/plan9-4e-latest.iso.bz2 | bunzip2 > plan9-4e-latest.iso
+; 9660srv
+; mount /srv/9660 /n/iso plan9-4e-latest.iso
+; echo uname upas :upas >>/srv/fscons.new
+; disk/mkfs -a -s /n/iso /n/iso/dist/replica/plan9.proto | disk/mkext -ud /n/fossil.new
+
+; mv /n/fossil.new/sys/src/9/pc/etherm10g2k.i /n/fossil.new/sys/src/9/pc/etherm10g2k.h
+; mv /n/fossil.new/sys/src/9/pc/etherm10g4k.i /n/fossil.new/sys/src/9/pc/etherm10g4k.h
+; sed 's/(etherm10g[24]k).i/\1.h/' /n/fossil.new/sys/src/9/pc/etherm10g.c >/tmp/etherm10g.c; mv /tmp/etherm10g.c /n/fossil.new/sys/src/9/pc/etherm10g.c
+; mv /n/fossil.new/sys/src/9/pc/uartaxp.i /n/fossil.new/sys/src/9/pc/uartaxp.h
+; sed 's/(uartaxp).i/\1.h/' /n/fossil.new/sys/src/9/pc/uartaxp.c >/tmp/uartaxp.c; mv /tmp/uartaxp.c /n/fossil.new/sys/src/9/pc/uartaxp.c
+; sed 's/(sd53c8xx).i/\1.h/' /n/fossil.new/sys/src/9/pcboot/bootmkfile >/tmp/bootmkfile; mv /tmp/bootmkfile /n/fossil.new/sys/src/9/pcboot/bootmkfile
+; mv /n/fossil.new/sys/src/9/pc/sd53c8xx.i /n/fossil.new/sys/src/9/pc/sd53c8xx.h
+
+; cd /n/fossil.new
+
+; for(i in `{hget http://adr.freeshell.org/plan9/9legacylist | grep -v '^#'}){echo applying $i; hget http://www.9legacy.org/9legacy/patch/$i | ape/patch --no-backup-if-mismatch -p1; echo}+
+; rm -r /sys/src/liboventi
+
+; for(i in `{hget http://adr.freeshell.org/plan9/patches/list | grep -v '^#'}){echo applying $i; hget sdf.adr:/patches/$i | ape/patch --no-backup-if-mismatch -p1; echo}+
+; touch (386 arm mips power sparc spim sys)^/include/ape/_apetypes.h
+; mkdir /n/fossil.new/sys/lib/firmware
+; for(i in brcmfmac43430-sdio.bin brcmfmac43430-sdio.txt brcmfmac43455-sdio.bin brcmfmac43455-sdio.clm_blob brcmfmac43455-sdio.txt){hget https://github.com/RPi-Distro/firmware-nonfree/raw/master/brcm/$i >/n/fossil.new/sys/lib/firmware/$i}+
+; bind -c /n/fossil.new/sys /sys/
+; bind -c /n/fossil.new/amd64 /amd64
+; bind -c /n/fossil.new/mips64 /mips64
+; cd /sys/src
+; mk clean
+; mk all
+
+# If you know a better way to do this I'm interested.
+; dircp /arm/bin /n/fossil.new/arm/bin
+; bind -c /n/fossil.new/arm /arm
+; mk install
+
+; cd 9/bcm
+; hget -o bootusb.rc http://adr.freeshell.org/plan9/bootusb.rc
+; hget -o pi4rc http://adr.freeshell.org/plan9/pi4rc
+; mk CONF=pi4rc
+
+; diskparts /dev/sdM0
+; dossrv
+; mount -c /srv/dos /n/dos /dev/sdM0/dos
+; mount -c /srv/dos /n/ndos /dev/sdXX/dos
+; dircp /n/dos /n/ndos
+; cp s9pi4rc 9pi4rc /n/dos/
+
+Edit cmdline.txt to something like this:
+nobootprompt=local ifconfig= venti=tcp!127.1!17034 bootargs=local!#/dev/sdXX/fossil nvram=/dev/sdXX/nvram
+
+And config.txt:
+[...]
+[pi4]
+kernel=9pi4rc
+[...]
+
+You should now be able to boot from your usb disk.
--- /dev/null
+++ b/9legacy/sam_label_command_riosnarf.diff
@@ -1,0 +1,441 @@
+--- sys/src/cmd/samterm/main.c Sat Jun 26 21:12:44 2021
++++ /sys/src/cmd/samterm/main.c Fri Jul 23 21:49:09 2021
+@@ -1,5 +1,6 @@
+#include <u.h>
+#include <libc.h>
++#include <bio.h>
+#include <draw.h>
+#include <thread.h>
+#include <cursor.h>
+@@ -24,6 +25,7 @@
+long modified = 0; /* strange lookahead for menus */
+char hostlock = 1;
+char hasunlocked = 0;
++char riosnarf = 0;
+int maxtab = 8;
+int autoindent;
+
+@@ -35,6 +37,8 @@
+ Rectangle r;
+ Flayer *nwhich;
+
++ if(getenv("samriosnarf"))++ riosnarf = 1;
+ getscreen(argc, argv);
+ iconinit();
+ initio();
+@@ -250,10 +254,27 @@
+snarf(Text *t, int w)
+{+ Flayer *l = &t->l[w];
++ int fd;
++ int n;
++ long p;
+
+ if(l->p1>l->p0){+ snarflen = l->p1-l->p0;
+- outTsll(Tsnarf, t->tag, l->p0, l->p1);
++ if(riosnarf){++ if((fd=open("/dev/snarf", OWRITE)) < 0){++ fprint(2, "samterm:snarf: can't open /dev/snarf for writing");
++ return;
++ }
++ t = l->user1;
++ for(p=l->p0; p<l->p1; p+=n){++ n = l->p1-p>BLOCKSIZE? BLOCKSIZE : l->p1-p;
++ rload(&t->rasp, p, p+n, nil);
++ if(fprint(fd, "%.*S", n, scratch) < 0)
++ break;
++ }
++ close(fd);
++ }else
++ outTsll(Tsnarf, t->tag, l->p0, l->p1);
+ }
+}
+
+@@ -280,14 +301,75 @@
+ hcheck(t->tag);
+}
+
++#define HSIZE 3
++#define MAXCSTR (DATASIZE-HSIZE-sizeof(int)-2*sizeof(long)) /* Max cstring allowed by outTsllS */
+void
+paste(Text *t, int w)
+{+- if(snarflen){+- cut(t, w, 0, 0);
+- t->lock++;
+- outTsl(Tpaste, t->tag, t->l[w].p0);
++ Rune *rstr, *rp;
++ Biobuf *bp;
++ int rstrsize;
++ int len; /* size in bytes of current rstr converted to UTF */
++ int m, n; /* n: number of runes already on rstr */
++ long offset, last;
++
++ if(!riosnarf){++ if(snarflen){++ cut(t, w, 0, 0);
++ t->lock++;
++ outTsllS(Tpaste, t->tag, 0, t->l[w].p0, L"");
++ }
++ return;
++ }
++ rstrsize = MAXCSTR;
++ if((bp=Bopen("/dev/snarf", OREAD)) == 0){++ fprint(2, "samterm:paste: can't open /dev/snarf");
++ return;
++ }
++ offset = t->l[w].p0;
++ rp = rstr = alloc(rstrsize);
++ len = n = 0;
++ if((last=Bgetrune(bp)) <= 0)
++ return;
++ cut(t, w, 0, 0);
++ while((long)(*rp=last?last:Bgetrune(bp)) > 0){++ last = 0;
++ if((len+=runelen(*rp)) > MAXCSTR){++ Bungetrune(bp);
++ --n;
++ last = *(rp-1); /* can't Bungetrune again... */
++ *(rp-1) = 0;
++ if(t->lock == 0)
++ t->lock = 1;
++ if(Bgetrune(bp) <= 0){ /* Last chunk */++ outTsllS(Tpaste, t->tag, t->l[w].p0, offset, rstr);
++ break;
++ }
++ Bungetrune(bp);
++ outTsllS(Tpaste, t->tag, -1, offset, rstr);
++ offset += n;
++ rp = rstr;
++ n = len = 0;
++ continue;
++ }
++ if(RUNESIZE*(rp-rstr+2) > rstrsize){++ m = rp - rstr;
++ rstr = realloc(rstr, rstrsize+=MAXCSTR);
++ if(!rstr)
++ panic("realloc");++ rp = rstr + m;
++ }
++ ++rp;
++ ++n;
++ }
++ *rp = 0;
++ if(*rstr){++ if(t->lock == 0)
++ t->lock = 1;
++ outTsllS(Tpaste, t->tag, t->l[w].p0, offset, rstr);
+ }
++ free(rstr);
++ Bterm(bp);
+}
+
+void
+--- sys/src/cmd/samterm/mesg.c Thu Mar 29 19:35:49 2012
++++ /sys/src/cmd/samterm/mesg.c Fri Jul 23 19:23:28 2021
+@@ -97,6 +97,7 @@
+ int i, m;
+ long l;
+ Flayer *lp;
++ char *str, c;
+
+ m = inshort(0);
+ l = inlong(2);
+@@ -107,6 +108,18 @@
+ fprint(2, "type %d\n", type);
+ panic("rcv unknown");+
++ case Hlabel:
++ str = (char *)indata;
++ if((m = open("/dev/label", OWRITE)) < 0){++ fprint(2, "samterm:label: can't open /dev/label for writing");
++ break;
++ }
++ while((c=*str)==' ' || c=='\t')
++ str++;
++ fprint(m, "%s", str);
++ close(m);
++ break;
++
+ case Hversion:
+ hversion = m;
+ break;
+@@ -432,6 +445,24 @@
+ outstart(type);
+ outshort(s1);
+ outlong(l1);
++ c = buf;
++ while(*s)
++ c += runetochar(c, s++);
++ *c++ = 0;
++ outcopy(c-buf, (uchar *)buf);
++ outsend();
++}
++
++void
++outTsllS(Tmesg type, int s1, long l1, long l2, Rune *s)
++{++ char buf[DATASIZE*3+1];
++ char *c;
++
++ outstart(type);
++ outshort(s1);
++ outlong(l1);
++ outlong(l2);
+ c = buf;
+ while(*s)
+ c += runetochar(c, s++);
+--- sys/src/cmd/samterm/samterm.h Sat Jun 26 21:13:32 2021
++++ /sys/src/cmd/samterm/samterm.h Fri Jul 23 11:59:07 2021
+@@ -1,5 +1,6 @@
+#define SAMTERM
+
++#define BLOCKSIZE 2048
+#define RUNESIZE sizeof(Rune)
+#define MAXFILES 256
+#define READBUFSIZE (16*1024)
+@@ -72,6 +73,7 @@
+extern long nscralloc;
+extern char hostlock;
+extern char hasunlocked;
++extern char riosnarf;
+extern long snarflen;
+extern Mousectl* mousectl;
+extern Keyboardctl* keyboardctl;
+@@ -167,6 +169,7 @@
+void outT0(Tmesg);
+void outTl(Tmesg, long);
+void outTslS(Tmesg, int, long, Rune*);
++void outTsllS(Tmesg, int, long, long, Rune*);
+void outTsll(Tmesg, int, long, long);
+void outTsl(Tmesg, int, long);
+void outTsv(Tmesg, int, vlong);
+--- sys/src/cmd/sam/cmd.c Wed Apr 24 00:06:05 2013
++++ /sys/src/cmd/sam/cmd.c Sun Jul 18 18:23:06 2021
+@@ -17,6 +17,7 @@
+ 'g', 0, 1, 0, 'p', aDot, 0, 0, g_cmd,
+ 'i', 1, 0, 0, 0, aDot, 0, 0, i_cmd,
+ 'k', 0, 0, 0, 0, aDot, 0, 0, k_cmd,
++ 'l', 0, 0, 0, 0, aNo, 0, linex, l_cmd,
+ 'm', 0, 0, 1, 0, aDot, 0, 0, m_cmd,
+ 'n', 0, 0, 0, 0, aNo, 0, 0, n_cmd,
+ 'p', 0, 0, 0, 0, aDot, 0, 0, p_cmd,
+--- sys/src/cmd/sam/disk.c Thu Feb 28 21:08:58 2002
++++ /sys/src/cmd/sam/disk.c Fri Jul 23 19:34:38 2021
+@@ -48,7 +48,7 @@
+ /* last bucket holds blocks of exactly Maxblock */
+ if(ip)
+ *ip = size/Blockincr;
+- return size * sizeof(Rune);
++ return size * RUNESIZE;
+}
+
+Block*
+@@ -101,7 +101,7 @@
+ b = disknewblock(d, n);
+ *bp = b;
+ }
+- if(pwrite(d->fd, r, n*sizeof(Rune), b->addr) != n*sizeof(Rune))
++ if(pwrite(d->fd, r, n*RUNESIZE, b->addr) != n*RUNESIZE)
+ panic("write error to temp file");+ b->n = n;
+}
+@@ -113,6 +113,6 @@
+ panic("internal error: diskread");+
+ ntosize(b->n, nil); /* called only for sanity check on Maxblock */
+- if(pread(d->fd, r, n*sizeof(Rune), b->addr) != n*sizeof(Rune))
++ if(pread(d->fd, r, n*RUNESIZE, b->addr) != n*RUNESIZE)
+ panic("read error from temp file");+}
+--- sys/src/cmd/sam/file.c Fri Jul 30 18:29:06 2010
++++ /sys/src/cmd/sam/file.c Fri Jul 23 19:35:49 2021
+@@ -35,7 +35,7 @@
+enum
+{+ Maxmerge = 50,
+- Undosize = sizeof(Undo)/sizeof(Rune),
++ Undosize = sizeof(Undo)/RUNESIZE,
+};
+
+static Merge merge;
+--- sys/src/cmd/sam/mesg.c Fri Jan 12 17:02:55 2007
++++ /sys/src/cmd/sam/mesg.c Fri Jul 23 19:50:39 2021
+@@ -1,4 +1,5 @@
+#include "sam.h"
++#include <bio.h>
+
+Header h;
+uchar indata[DATASIZE];
+@@ -347,7 +348,28 @@
+ case Tpaste:
+ f = whichfile(inshort());
+ p0 = inlong();
++ p = inlong();
+ journaln(0, p0);
++
++ if(*(char*)inp != 0){++ str = tmpcstr((char*)inp);
++ m = str->n;
++ loginsert(f, p, str->s, m);
++ freetmpstr(str);
++ if(fileupdate(f, FALSE, TRUE))
++ seq++;
++ /* there's another chunk? */
++ if(p0 < 0){++ rcv();
++ break;
++ }
++ f->dot.r.p1 = p0;
++ f->dot.r.p2 = p+m;
++ f->tdot.p1 = -1; /* force telldot to tell (arguably a BUG) */
++ telldot(f);
++ outTs(Hunlockfile, f->tag);
++ break;
++ }
+ for(l=0; l<snarfbuf.nc; l+=m){+ m = snarfbuf.nc-l;
+ if(m>BLOCKSIZE)
+@@ -359,7 +381,7 @@
+ seq++;
+ f->dot.r.p1 = p0;
+ f->dot.r.p2 = p0+snarfbuf.nc;
+- f->tdot.p1 = -1; /* force telldot to tell (arguably a BUG) */
++ f->tdot.p1 = -1;
+ telldot(f);
+ outTs(Hunlockfile, f->tag);
+ break;
+@@ -477,7 +499,7 @@
+ m = SNARFSIZE;
+ dprint("?warning: snarf buffer truncated\n");+ }
+- rp = malloc(m*sizeof(Rune));
++ rp = malloc(m*RUNESIZE);
+ if(rp){+ bufread(&snarfbuf, 0, rp, m);
+ c = Strtoc(tmprstr(rp, m));
+--- sys/src/cmd/sam/mesg.h Fri Mar 18 22:33:33 2005
++++ /sys/src/cmd/sam/mesg.h Wed Jul 21 22:46:19 2021
+@@ -67,6 +67,7 @@
+ Hack, /* request acknowledgement */
+ Hexit,
+ Hplumb, /* return plumb message to terminal - version 1 */
++ Hlabel, /* set /dev/label on terminal */
+ HMAX,
+}Hmesg;
+typedef struct Header{+--- sys/src/cmd/sam/parse.h Thu Oct 27 15:36:34 2005
++++ /sys/src/cmd/sam/parse.h Sat Jul 17 19:55:51 2021
+@@ -55,13 +55,12 @@
+
+int nl_cmd(File*, Cmd*), a_cmd(File*, Cmd*), b_cmd(File*, Cmd*);
+int c_cmd(File*, Cmd*), cd_cmd(File*, Cmd*), d_cmd(File*, Cmd*);
+-int D_cmd(File*, Cmd*), e_cmd(File*, Cmd*);
+-int f_cmd(File*, Cmd*), g_cmd(File*, Cmd*), i_cmd(File*, Cmd*);
+-int k_cmd(File*, Cmd*), m_cmd(File*, Cmd*), n_cmd(File*, Cmd*);
+-int p_cmd(File*, Cmd*), q_cmd(File*, Cmd*);
+-int s_cmd(File*, Cmd*), u_cmd(File*, Cmd*), w_cmd(File*, Cmd*);
+-int x_cmd(File*, Cmd*), X_cmd(File*, Cmd*), plan9_cmd(File*, Cmd*);
+-int eq_cmd(File*, Cmd*);
++int D_cmd(File*, Cmd*), e_cmd(File*, Cmd*), f_cmd(File*, Cmd*);
++int g_cmd(File*, Cmd*), i_cmd(File*, Cmd*), k_cmd(File*, Cmd*);
++int l_cmd(File*, Cmd*), m_cmd(File*, Cmd*), n_cmd(File*, Cmd*);
++int p_cmd(File*, Cmd*), q_cmd(File*, Cmd*), s_cmd(File*, Cmd*);
++int u_cmd(File*, Cmd*), w_cmd(File*, Cmd*), x_cmd(File*, Cmd*);
++int X_cmd(File*, Cmd*), plan9_cmd(File*, Cmd*), eq_cmd(File*, Cmd*);
+
+
+String *getregexp(int);
+--- sys/src/cmd/sam/sam.c Tue Dec 6 17:05:45 2005
++++ /sys/src/cmd/sam/sam.c Tue Jul 20 12:23:28 2021
+@@ -25,6 +25,7 @@
+int termlocked;
+char *samterm = SAMTERM;
+char *rsamname = RSAM;
++char *samtermlabel = nil;
+File *lastfile;
+Disk *disk;
+long seq;
+@@ -57,6 +58,9 @@
+ case 's':
+ rsamname = EARGF(usage());
+ break;
++ case 'l':
++ samtermlabel = EARGF(usage());
++ break;
+ default:
+ dprint("sam: unknown flag %c\n", ARGC());+ usage();
+@@ -82,6 +86,11 @@
+ startup(machine, Rflag, termargs, argv);
+ notify(notifyf);
+ getcurwd();
++ if(samtermlabel){++ t=tmpcstr(samtermlabel);
++ outTS(Hlabel, t);
++ freetmpstr(t);
++ }
+ if(argc>0){+ for(i=0; i<argc; i++){+ if(!setjmp(mainloop)){+@@ -107,7 +116,7 @@
+void
+usage(void)
+{+- dprint("usage: sam [-d] [-t samterm] [-s sam name] -r machine\n");++ dprint("usage: sam [-d] [-t samterm] [-s sam name] -r machine -l label\n");+ exits("usage");+}
+
+--- sys/src/cmd/sam/sam.h Sat Jun 26 21:13:32 2021
++++ /sys/src/cmd/sam/sam.h Fri Jul 23 19:38:48 2021
+@@ -90,7 +90,7 @@
+ Maxblock = 16*1024,
+
+ BUFSIZE = Maxblock, /* size from fbufalloc() */
+- RBUFSIZE = BUFSIZE/sizeof(Rune),
++ RBUFSIZE = BUFSIZE/RUNESIZE,
+};
+
+
+@@ -220,9 +220,9 @@
+uint min(uint, uint);
+void cvttorunes(char*, int, Rune*, int*, int*, int*);
+
+-#define runemalloc(a) (Rune*)emalloc((a)*sizeof(Rune))
+-#define runerealloc(a, b) (Rune*)realloc((a), (b)*sizeof(Rune))
+-#define runemove(a, b, c) memmove((a), (b), (c)*sizeof(Rune))
++#define runemalloc(a) (Rune*)emalloc((a)*RUNESIZE)
++#define runerealloc(a, b) (Rune*)realloc((a), (b)*RUNESIZE)
++#define runemove(a, b, c) memmove((a), (b), (c)*RUNESIZE)
+
+int alnum(int);
+int Read(int, void*, int);
+--- sys/src/cmd/sam/xec.c Tue Jun 6 02:55:54 2000
++++ /sys/src/cmd/sam/xec.c Tue Jul 20 12:34:09 2021
+@@ -26,7 +26,7 @@
+ if(f && f->unread)
+ load(f);
+ if(f==0 && (cp->addr==0 || cp->addr->type!='"') &&
+- !utfrune("bBnqUXY!", cp->cmdc) &&++ !utfrune("bBnqUXY!l", cp->cmdc) &&+ cp->cmdc!=('c'|0x100) && !(cp->cmdc=='D' && cp->ctext))+ error(Enofile);
+ i = lookup(cp->cmdc);
+@@ -150,6 +150,14 @@
+{+ USED(cp);
+ f->mark = addr.r;
++ return TRUE;
++}
++
++int
++l_cmd(File *f, Cmd *cp)
++{++ USED(f);
++ outTS(Hlabel, cp->ctext);
+ return TRUE;
+}
+
--- /dev/null
+++ b/9legacy/sys_src_mkfile_no_liboventi.diff
@@ -1,0 +1,10 @@
+--- sys/src/mkfile Sat Jun 26 21:13:32 2021
++++ /sys/src/mkfile Thu Jul 15 17:27:49 2021
+@@ -28,7 +28,6 @@
+ libmp\
+ libmux\
+ libndb\
+- liboventi\
+ libplumb\
+ libregexp\
+ libscribble\
--- /dev/null
+++ b/9legacy/usb_uas_and_close_ep.diff
@@ -1,0 +1,35 @@
+--- sys/src/cmd/usb/disk/disk.c Wed Dec 14 00:35:47 2011
++++ /sys/src/cmd/usb/disk/disk.c Sat Jun 19 11:45:37 2021
+@@ -663,7 +663,7 @@
+ continue;
+ csp = ep->iface->csp;
+ sc = Subclass(csp);
+- if(!(Class(csp) == Clstorage && (Proto(csp) == Protobulk)))
++ if(!(Class(csp) == Clstorage && (Proto(csp) == Protobulk || Proto(csp) == Protouas)))
+ continue;
+ if(sc != Subatapi && sc != Sub8070 && sc != Subscsi)
+ fprint(2, "disk: subclass %#ulx not supported. trying anyway\n", sc);
+--- sys/src/cmd/usb/disk/ums.h Wed Feb 13 22:22:23 2013
++++ /sys/src/cmd/usb/disk/ums.h Sat Jun 19 11:44:13 2021
+@@ -13,6 +13,7 @@
+ Protocbi = 0, /* control/bulk/interrupt; mainly floppies */
+ Protocb = 1, /* " with no interrupt; mainly floppies */
+ Protobulk = 0x50, /* bulk only */
++ Protouas = 0x62, /* USB-attached SCSI */
+
+ Subrbc = 1, /* reduced blk cmds */
+ Subatapi = 2, /* cd/dvd using sff-8020i or mmc-2 cmd blks */
+diff -uPr sys/src/9/bcm/devusb.c /sys/src/9/bcm/devusb.c
+--- sys/src/9/bcm/devusb.c Thu Jun 24 18:58:13 2021
++++ /sys/src/9/bcm/devusb.c Sun Jun 13 17:21:28 2021
+@@ -389,6 +389,10 @@
+ if(ep->ep0 != ep){+ putep(ep->ep0);
+ ep->ep0 = nil;
++ } else if(d != nil){++ if(d->free != nil)
++ (*d->free)(d->aux);
++ free(d);
+ }
+ free(ep->info);
+ free(ep->name);
--- /dev/null
+++ b/9legacy/webfs_SNI.diff
@@ -1,0 +1,59 @@
+diff -Pur sys/src/cmd/webfs/fns.h /sys/src/cmd/webfs/fns.h
+--- /n/dump/2021/0627//sys/src/cmd/webfs/fns.h Sun Sep 22 04:39:47 2002
++++ /sys/src/cmd/webfs/fns.h Wed Jul 14 11:24:55 2021
+@@ -34,7 +34,7 @@
+ void httpclose(Client*);
+
+ /* io.c */
+-int iotlsdial(Ioproc*, char*, char*, char*, int*, int);
++int iotlsdial(Ioproc*, char*, char*, char*, char*, int*, int);
+ int ioprint(Ioproc*, int, char*, ...);
+ #pragma varargck argpos ioprint 3
+
+diff -Pur sys/src/cmd/webfs/http.c /sys/src/cmd/webfs/http.c
+--- /n/dump/2021/0627//sys/src/cmd/webfs/http.c Thu Jul 15 20:47:20 2010
++++ /sys/src/cmd/webfs/http.c Wed Jul 14 11:24:21 2021
+@@ -286,7 +286,7 @@
+ fprint(2, "dial %s\n", hs->netaddr);
+ fprint(2, "dial port: %s\n", url->port);
+ }
+- fd = iotlsdial(io, hs->netaddr, 0, 0, 0, url->ischeme==UShttps);
++ fd = iotlsdial(io, hs->netaddr, url->host, 0, 0, 0, url->ischeme==UShttps);
+ if(fd < 0){+ Error:
+ if(httpdebug)
+diff -Pur sys/src/cmd/webfs/io.c /sys/src/cmd/webfs/io.c
+--- /n/dump/2021/0627//sys/src/cmd/webfs/io.c Thu Jan 15 19:54:27 2009
++++ /sys/src/cmd/webfs/io.c Wed Jul 14 11:35:35 2021
+@@ -45,11 +45,12 @@
+ static long
+ _iotlsdial(va_list *arg)
+ {+- char *addr, *local, *dir;
++ char *addr, *host,*local, *dir;
+ int *cfdp, fd, tfd, usetls;
+ TLSconn conn;
+
+ addr = va_arg(*arg, char*);
++ host = va_arg(*arg, char*);
+ local = va_arg(*arg, char*);
+ dir = va_arg(*arg, char*);
+ cfdp = va_arg(*arg, int*);
+@@ -64,6 +65,7 @@
+ memset(&conn, 0, sizeof conn);
+ /* does no good, so far anyway */
+ // conn.chain = readcertchain("/sys/lib/ssl/vsignss.pem");++ conn.serverName = host;
+
+ tfd = tlsClient(fd, &conn);
+ close(fd);
+@@ -78,7 +80,7 @@
+ }
+
+ int
+-iotlsdial(Ioproc *io, char *addr, char *local, char *dir, int *cfdp, int usetls)
++iotlsdial(Ioproc *io, char *addr, char *host, char *local, char *dir, int *cfdp, int usetls)
+ {+- return iocall(io, _iotlsdial, addr, local, dir, cfdp, usetls);
++ return iocall(io, _iotlsdial, addr, host, local, dir, cfdp, usetls);
+ }
--- /dev/null
+++ b/9legacy/webfs_increment_max_ctl_message_len.diff
@@ -1,0 +1,12 @@
+--- sys/src/cmd/webfs/fs.c Fri Oct 7 06:56:43 2005
++++ /sys/src/cmd/webfs/fs.c Fri Jul 16 06:33:46 2021
+@@ -301,7 +301,8 @@
+
+ case Qrootctl:
+ case Qctl:
+- if(r->ifcall.count >= 1024){++ /* The max URL length of most web browsers is >= 2048 */
++ if(r->ifcall.count >= 2048){+ respond(r, "ctl message too long");
+ return;
+ }