openssl/apps/prime.c
Michal Bozon 5573ee3669 RT4053: Typo in error message
Signed-off-by: Rich Salz <rsalz@openssl.org>
Reviewed-by: Tim Hudson <tjh@openssl.org>
2015-09-28 13:36:46 -04:00

152 lines
4.9 KiB
C

/* ====================================================================
* Copyright (c) 2004 The OpenSSL Project. All rights reserved.
*
* 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 above 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 acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
*
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* openssl-core@openssl.org.
*
* 5. Products derived from this software may not be called "OpenSSL"
* nor may "OpenSSL" appear in their names without prior written
* permission of the OpenSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit (http://www.openssl.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED 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 OpenSSL PROJECT OR
* ITS 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.
*
*/
#include <string.h>
#include "apps.h"
#include <openssl/bn.h>
typedef enum OPTION_choice {
OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
OPT_HEX, OPT_GENERATE, OPT_BITS, OPT_SAFE, OPT_CHECKS
} OPTION_CHOICE;
OPTIONS prime_options[] = {
{OPT_HELP_STR, 1, '-', "Usage: %s [options] [number...]\n"},
{OPT_HELP_STR, 1, '-',
" number Number to check for primarility\n"},
{"help", OPT_HELP, '-', "Display this summary"},
{"hex", OPT_HEX, '-', "Hex output"},
{"generate", OPT_GENERATE, '-', "Generate a prime"},
{"bits", OPT_BITS, 'p', "Size of number in bits"},
{"safe", OPT_SAFE, '-',
"When used with -generate, generate a safe prime"},
{"checks", OPT_CHECKS, 'p', "Number of checks"},
{NULL}
};
int prime_main(int argc, char **argv)
{
BIGNUM *bn = NULL;
int hex = 0, checks = 20, generate = 0, bits = 0, safe = 0, ret = 1;
char *prog;
OPTION_CHOICE o;
prog = opt_init(argc, argv, prime_options);
while ((o = opt_next()) != OPT_EOF) {
switch (o) {
case OPT_EOF:
case OPT_ERR:
BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
goto end;
case OPT_HELP:
opt_help(prime_options);
ret = 0;
goto end;
case OPT_HEX:
hex = 1;
break;
case OPT_GENERATE:
generate = 1;
break;
case OPT_BITS:
bits = atoi(opt_arg());
break;
case OPT_SAFE:
safe = 1;
break;
case OPT_CHECKS:
checks = atoi(opt_arg());
break;
}
}
argc = opt_num_rest();
argv = opt_rest();
if (!app_load_modules(NULL))
goto end;
if (argc == 0 && !generate) {
BIO_printf(bio_err, "%s: No prime specified\n", prog);
goto end;
}
if (generate) {
char *s;
if (!bits) {
BIO_printf(bio_err, "Specify the number of bits.\n");
goto end;
}
bn = BN_new();
BN_generate_prime_ex(bn, bits, safe, NULL, NULL, NULL);
s = hex ? BN_bn2hex(bn) : BN_bn2dec(bn);
BIO_printf(bio_out, "%s\n", s);
OPENSSL_free(s);
} else {
for ( ; *argv; argv++) {
if (hex)
BN_hex2bn(&bn, argv[0]);
else
BN_dec2bn(&bn, argv[0]);
BN_print(bio_out, bn);
BIO_printf(bio_out, " (%s) %s prime\n",
argv[0],
BN_is_prime_ex(bn, checks, NULL, NULL)
? "is" : "is not");
}
}
BN_free(bn);
end:
return ret;
}