ref: 1069d018c99fc394597f08f8f737a1e5ddb5179e
dir: /sys/src/ape/lib/openssl/apps/genrsa.c/
/* apps/genrsa.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.]
*/
#include <openssl/opensslconf.h>
/* Until the key-gen callbacks are modified to use newer prototypes, we allow
* deprecated functions for openssl-internal code */
#ifdef OPENSSL_NO_DEPRECATED
#undef OPENSSL_NO_DEPRECATED
#endif
#ifndef OPENSSL_NO_RSA
#include <stdio.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "apps.h"
#include <openssl/bio.h>
#include <openssl/err.h>
#include <openssl/bn.h>
#include <openssl/rsa.h>
#include <openssl/evp.h>
#include <openssl/x509.h>
#include <openssl/pem.h>
#include <openssl/rand.h>
#define DEFBITS 512
#undef PROG
#define PROG genrsa_main
static int MS_CALLBACK genrsa_cb(int p, int n, BN_GENCB *cb);
int MAIN(int, char **);
int MAIN(int argc, char **argv)
{
BN_GENCB cb;
#ifndef OPENSSL_NO_ENGINE
ENGINE *e = NULL;
#endif
int ret=1;
int i,num=DEFBITS;
long l;
const EVP_CIPHER *enc=NULL;
unsigned long f4=RSA_F4;
char *outfile=NULL;
char *passargout = NULL, *passout = NULL;
#ifndef OPENSSL_NO_ENGINE
char *engine=NULL;
#endif
char *inrand=NULL;
BIO *out=NULL;
BIGNUM *bn = BN_new();
RSA *rsa = RSA_new();
if(!bn || !rsa) goto err;
apps_startup();
BN_GENCB_set(&cb, genrsa_cb, bio_err);
if (bio_err == NULL)
if ((bio_err=BIO_new(BIO_s_file())) != NULL)
BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
if (!load_config(bio_err, NULL))
goto err;
if ((out=BIO_new(BIO_s_file())) == NULL)
{
BIO_printf(bio_err,"unable to create BIO for output\n");
goto err;
}
argv++;
argc--;
for (;;)
{
if (argc <= 0) break;
if (strcmp(*argv,"-out") == 0)
{
if (--argc < 1) goto bad;
outfile= *(++argv);
}
else if (strcmp(*argv,"-3") == 0)
f4=3;
else if (strcmp(*argv,"-F4") == 0 || strcmp(*argv,"-f4") == 0)
f4=RSA_F4;
#ifndef OPENSSL_NO_ENGINE
else if (strcmp(*argv,"-engine") == 0)
{
if (--argc < 1) goto bad;
engine= *(++argv);
}
#endif
else if (strcmp(*argv,"-rand") == 0)
{
if (--argc < 1) goto bad;
inrand= *(++argv);
}
#ifndef OPENSSL_NO_DES
else if (strcmp(*argv,"-des") == 0)
enc=EVP_des_cbc();
else if (strcmp(*argv,"-des3") == 0)
enc=EVP_des_ede3_cbc();
#endif
#ifndef OPENSSL_NO_IDEA
else if (strcmp(*argv,"-idea") == 0)
enc=EVP_idea_cbc();
#endif
#ifndef OPENSSL_NO_SEED
else if (strcmp(*argv,"-seed") == 0)
enc=EVP_seed_cbc();
#endif
#ifndef OPENSSL_NO_AES
else if (strcmp(*argv,"-aes128") == 0)
enc=EVP_aes_128_cbc();
else if (strcmp(*argv,"-aes192") == 0)
enc=EVP_aes_192_cbc();
else if (strcmp(*argv,"-aes256") == 0)
enc=EVP_aes_256_cbc();
#endif
#ifndef OPENSSL_NO_CAMELLIA
else if (strcmp(*argv,"-camellia128") == 0)
enc=EVP_camellia_128_cbc();
else if (strcmp(*argv,"-camellia192") == 0)
enc=EVP_camellia_192_cbc();
else if (strcmp(*argv,"-camellia256") == 0)
enc=EVP_camellia_256_cbc();
#endif
else if (strcmp(*argv,"-passout") == 0)
{
if (--argc < 1) goto bad;
passargout= *(++argv);
}
else
break;
argv++;
argc--;
}
if ((argc >= 1) && ((sscanf(*argv,"%d",&num) == 0) || (num < 0)))
{
bad:
BIO_printf(bio_err,"usage: genrsa [args] [numbits]\n");
BIO_printf(bio_err," -des encrypt the generated key with DES in cbc mode\n");
BIO_printf(bio_err," -des3 encrypt the generated key with DES in ede cbc mode (168 bit key)\n");
#ifndef OPENSSL_NO_IDEA
BIO_printf(bio_err," -idea encrypt the generated key with IDEA in cbc mode\n");
#endif
#ifndef OPENSSL_NO_SEED
BIO_printf(bio_err," -seed\n");
BIO_printf(bio_err," encrypt PEM output with cbc seed\n");
#endif
#ifndef OPENSSL_NO_AES
BIO_printf(bio_err," -aes128, -aes192, -aes256\n");
BIO_printf(bio_err," encrypt PEM output with cbc aes\n");
#endif
#ifndef OPENSSL_NO_CAMELLIA
BIO_printf(bio_err," -camellia128, -camellia192, -camellia256\n");
BIO_printf(bio_err," encrypt PEM output with cbc camellia\n");
#endif
BIO_printf(bio_err," -out file output the key to 'file\n");
BIO_printf(bio_err," -passout arg output file pass phrase source\n");
BIO_printf(bio_err," -f4 use F4 (0x10001) for the E value\n");
BIO_printf(bio_err," -3 use 3 for the E value\n");
#ifndef OPENSSL_NO_ENGINE
BIO_printf(bio_err," -engine e use engine e, possibly a hardware device.\n");
#endif
BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
BIO_printf(bio_err," load the file (or the files in the directory) into\n");
BIO_printf(bio_err," the random number generator\n");
goto err;
}
ERR_load_crypto_strings();
if(!app_passwd(bio_err, NULL, passargout, NULL, &passout)) {
BIO_printf(bio_err, "Error getting password\n");
goto err;
}
#ifndef OPENSSL_NO_ENGINE
e = setup_engine(bio_err, engine, 0);
#endif
if (outfile == NULL)
{
BIO_set_fp(out,stdout,BIO_NOCLOSE);
#ifdef OPENSSL_SYS_VMS
{
BIO *tmpbio = BIO_new(BIO_f_linebuffer());
out = BIO_push(tmpbio, out);
}
#endif
}
else
{
if (BIO_write_filename(out,outfile) <= 0)
{
perror(outfile);
goto err;
}
}
if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
&& !RAND_status())
{
BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
}
if (inrand != NULL)
BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
app_RAND_load_files(inrand));
BIO_printf(bio_err,"Generating RSA private key, %d bit long modulus\n",
num);
if(!BN_set_word(bn, f4) || !RSA_generate_key_ex(rsa, num, bn, &cb))
goto err;
app_RAND_write_file(NULL, bio_err);
/* We need to do the following for when the base number size is <
* long, esp windows 3.1 :-(. */
l=0L;
for (i=0; i<rsa->e->top; i++)
{
#ifndef SIXTY_FOUR_BIT
l<<=BN_BITS4;
l<<=BN_BITS4;
#endif
l+=rsa->e->d[i];
}
BIO_printf(bio_err,"e is %ld (0x%lX)\n",l,l);
{
PW_CB_DATA cb_data;
cb_data.password = passout;
cb_data.prompt_info = outfile;
if (!PEM_write_bio_RSAPrivateKey(out,rsa,enc,NULL,0,
(pem_password_cb *)password_callback,&cb_data))
goto err;
}
ret=0;
err:
if (bn) BN_free(bn);
if (rsa) RSA_free(rsa);
if (out) BIO_free_all(out);
if(passout) OPENSSL_free(passout);
if (ret != 0)
ERR_print_errors(bio_err);
apps_shutdown();
OPENSSL_EXIT(ret);
}
static int MS_CALLBACK genrsa_cb(int p, int n, BN_GENCB *cb)
{
char c='*';
if (p == 0) c='.';
if (p == 1) c='+';
if (p == 2) c='*';
if (p == 3) c='\n';
BIO_write(cb->arg,&c,1);
(void)BIO_flush(cb->arg);
#ifdef LINT
p=n;
#endif
return 1;
}
#else /* !OPENSSL_NO_RSA */
# if PEDANTIC
static void *dummy=&dummy;
# endif
#endif