ref: 1fcc84d072c40cbd7ed58d164ed17e0b7989dc11
dir: /sys/src/ape/lib/openssl/crypto/bf/bf_opts.c/
/* crypto/bf/bf_opts.c */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* The implementation was written so as to conform with Netscapes SSL.
*
* This library is free for commercial and non-commercial use as long as
* the following conditions are aheared to. The following conditions
* apply to all code found in this distribution, be it the RC4, RSA,
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
* included with this distribution is covered by the same copyright terms
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
*
* Copyright remains Eric Young's, and as such any Copyright notices in
* the code are not to be removed.
* If this package is used in a product, Eric Young should be given attribution
* as the author of the parts of the library used.
* This can be in the form of a textual message at program startup or
* in documentation (online or textual) provided with the package.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* "This product includes cryptographic software written by
* Eric Young (eay@cryptsoft.com)"
* The word 'cryptographic' can be left out if the rouines from the library
* being used are not cryptographic related :-).
* 4. If you include any Windows specific code (or a derivative thereof) from
* the apps directory (application code) you must include an acknowledgement:
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
*
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``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 AUTHOR 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.
*
* The licence and distribution terms for any publically available version or
* derivative of this code cannot be changed. i.e. this code cannot simply be
* copied and put under another distribution licence
* [including the GNU Public Licence.]
*/
/* define PART1, PART2, PART3 or PART4 to build only with a few of the options.
* This is for machines with 64k code segment size restrictions. */
#if !defined(OPENSSL_SYS_MSDOS) && (!defined(OPENSSL_SYS_VMS) || defined(__DECC)) && !defined(OPENSSL_SYS_MACOSX)
#define TIMES
#endif
#include <stdio.h>
#include <openssl/e_os2.h>
#include OPENSSL_UNISTD_IO
OPENSSL_DECLARE_EXIT
#ifndef OPENSSL_SYS_NETWARE
#include <signal.h>
#endif
#ifndef _IRIX
#include <time.h>
#endif
#ifdef TIMES
#include <sys/types.h>
#include <sys/times.h>
#endif
/* Depending on the VMS version, the tms structure is perhaps defined.
The __TMS macro will show if it was. If it wasn't defined, we should
undefine TIMES, since that tells the rest of the program how things
should be handled. -- Richard Levitte */
#if defined(OPENSSL_SYS_VMS_DECC) && !defined(__TMS)
#undef TIMES
#endif
#ifndef TIMES
#include <sys/timeb.h>
#endif
#if defined(sun) || defined(__ultrix)
#define _POSIX_SOURCE
#include <limits.h>
#include <sys/param.h>
#endif
#include <openssl/blowfish.h>
#define BF_DEFAULT_OPTIONS
#undef BF_ENC
#define BF_encrypt BF_encrypt_normal
#undef HEADER_BF_LOCL_H
#include "bf_enc.c"
#define BF_PTR
#undef BF_PTR2
#undef BF_ENC
#undef BF_encrypt
#define BF_encrypt BF_encrypt_ptr
#undef HEADER_BF_LOCL_H
#include "bf_enc.c"
#undef BF_PTR
#define BF_PTR2
#undef BF_ENC
#undef BF_encrypt
#define BF_encrypt BF_encrypt_ptr2
#undef HEADER_BF_LOCL_H
#include "bf_enc.c"
/* The following if from times(3) man page. It may need to be changed */
#ifndef HZ
# ifndef CLK_TCK
# ifndef _BSD_CLK_TCK_ /* FreeBSD fix */
# define HZ 100.0
# else /* _BSD_CLK_TCK_ */
# define HZ ((double)_BSD_CLK_TCK_)
# endif
# else /* CLK_TCK */
# define HZ ((double)CLK_TCK)
# endif
#endif
#define BUFSIZE ((long)1024)
long run=0;
double Time_F(int s);
#ifdef SIGALRM
#if defined(__STDC__) || defined(sgi)
#define SIGRETTYPE void
#else
#define SIGRETTYPE int
#endif
SIGRETTYPE sig_done(int sig);
SIGRETTYPE sig_done(int sig)
{
signal(SIGALRM,sig_done);
run=0;
#ifdef LINT
sig=sig;
#endif
}
#endif
#define START 0
#define STOP 1
double Time_F(int s)
{
double ret;
#ifdef TIMES
static struct tms tstart,tend;
if (s == START)
{
times(&tstart);
return(0);
}
else
{
times(&tend);
ret=((double)(tend.tms_utime-tstart.tms_utime))/HZ;
return((ret == 0.0)?1e-6:ret);
}
#else /* !times() */
static struct timeb tstart,tend;
long i;
if (s == START)
{
ftime(&tstart);
return(0);
}
else
{
ftime(&tend);
i=(long)tend.millitm-(long)tstart.millitm;
ret=((double)(tend.time-tstart.time))+((double)i)/1000.0;
return((ret == 0.0)?1e-6:ret);
}
#endif
}
#ifdef SIGALRM
#define print_name(name) fprintf(stderr,"Doing %s's for 10 seconds\n",name); alarm(10);
#else
#define print_name(name) fprintf(stderr,"Doing %s %ld times\n",name,cb);
#endif
#define time_it(func,name,index) \
print_name(name); \
Time_F(START); \
for (count=0,run=1; COND(cb); count+=4) \
{ \
unsigned long d[2]; \
func(d,&sch); \
func(d,&sch); \
func(d,&sch); \
func(d,&sch); \
} \
tm[index]=Time_F(STOP); \
fprintf(stderr,"%ld %s's in %.2f second\n",count,name,tm[index]); \
tm[index]=((double)COUNT(cb))/tm[index];
#define print_it(name,index) \
fprintf(stderr,"%s bytes per sec = %12.2f (%5.1fuS)\n",name, \
tm[index]*8,1.0e6/tm[index]);
int main(int argc, char **argv)
{
long count;
static unsigned char buf[BUFSIZE];
static char key[16]={ 0x12,0x34,0x56,0x78,0x9a,0xbc,0xde,0xf0,
0x12,0x34,0x56,0x78,0x9a,0xbc,0xde,0xf0};
BF_KEY sch;
double d,tm[16],max=0;
int rank[16];
char *str[16];
int max_idx=0,i,num=0,j;
#ifndef SIGALARM
long ca,cb,cc,cd,ce;
#endif
for (i=0; i<12; i++)
{
tm[i]=0.0;
rank[i]=0;
}
#ifndef TIMES
fprintf(stderr,"To get the most accurate results, try to run this\n");
fprintf(stderr,"program when this computer is idle.\n");
#endif
BF_set_key(&sch,16,key);
#ifndef SIGALRM
fprintf(stderr,"First we calculate the approximate speed ...\n");
count=10;
do {
long i;
unsigned long data[2];
count*=2;
Time_F(START);
for (i=count; i; i--)
BF_encrypt(data,&sch);
d=Time_F(STOP);
} while (d < 3.0);
ca=count;
cb=count*3;
cc=count*3*8/BUFSIZE+1;
cd=count*8/BUFSIZE+1;
ce=count/20+1;
#define COND(d) (count != (d))
#define COUNT(d) (d)
#else
#define COND(c) (run)
#define COUNT(d) (count)
signal(SIGALRM,sig_done);
alarm(10);
#endif
time_it(BF_encrypt_normal, "BF_encrypt_normal ", 0);
time_it(BF_encrypt_ptr, "BF_encrypt_ptr ", 1);
time_it(BF_encrypt_ptr2, "BF_encrypt_ptr2 ", 2);
num+=3;
str[0]="<nothing>";
print_it("BF_encrypt_normal ",0);
max=tm[0];
max_idx=0;
str[1]="ptr ";
print_it("BF_encrypt_ptr ",1);
if (max < tm[1]) { max=tm[1]; max_idx=1; }
str[2]="ptr2 ";
print_it("BF_encrypt_ptr2 ",2);
if (max < tm[2]) { max=tm[2]; max_idx=2; }
printf("options BF ecb/s\n");
printf("%s %12.2f 100.0%%\n",str[max_idx],tm[max_idx]);
d=tm[max_idx];
tm[max_idx]= -2.0;
max= -1.0;
for (;;)
{
for (i=0; i<3; i++)
{
if (max < tm[i]) { max=tm[i]; j=i; }
}
if (max < 0.0) break;
printf("%s %12.2f %4.1f%%\n",str[j],tm[j],tm[j]/d*100.0);
tm[j]= -2.0;
max= -1.0;
}
switch (max_idx)
{
case 0:
printf("-DBF_DEFAULT_OPTIONS\n");
break;
case 1:
printf("-DBF_PTR\n");
break;
case 2:
printf("-DBF_PTR2\n");
break;
}
exit(0);
#if defined(LINT) || defined(OPENSSL_SYS_MSDOS)
return(0);
#endif
}