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/* ==================================================================== |
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* Copyright (c) 2004 The OpenSSL Project. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in |
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* the documentation and/or other materials provided with the |
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* distribution. |
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* |
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* 3. All advertising materials mentioning features or use of this |
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* software must display the following acknowledgment: |
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* "This product includes software developed by the OpenSSL Project |
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* for use in the OpenSSL Toolkit. (http://www.openssl.org/)" |
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* |
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to |
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* endorse or promote products derived from this software without |
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* prior written permission. For written permission, please contact |
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* openssl-core@openssl.org. |
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* |
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* 5. Products derived from this software may not be called "OpenSSL" |
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* nor may "OpenSSL" appear in their names without prior written |
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* permission of the OpenSSL Project. |
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* |
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* 6. Redistributions of any form whatsoever must retain the following |
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* acknowledgment: |
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* "This product includes software developed by the OpenSSL Project |
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* for use in the OpenSSL Toolkit (http://www.openssl.org/)" |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY |
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR |
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
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* OF THE POSSIBILITY OF SUCH DAMAGE. |
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* |
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*/ |
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|
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#include <string.h> |
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|
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#include "apps.h" |
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#include <openssl/bn.h> |
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|
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#undef PROG |
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#define PROG prime_main |
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|
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int MAIN(int, char **); |
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|
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int MAIN(int argc, char **argv) |
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{ |
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int hex = 0; |
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int checks = 20; |
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int generate = 0; |
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int bits = 0; |
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int safe = 0; |
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BIGNUM *bn = NULL; |
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BIO *bio_out; |
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|
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apps_startup(); |
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|
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if (bio_err == NULL) |
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if ((bio_err = BIO_new(BIO_s_file())) != NULL) |
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BIO_set_fp(bio_err, stderr, BIO_NOCLOSE | BIO_FP_TEXT); |
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|
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--argc; |
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++argv; |
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while (argc >= 1 && **argv == '-') { |
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if (!strcmp(*argv, "-hex")) |
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hex = 1; |
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else if (!strcmp(*argv, "-generate")) |
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generate = 1; |
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else if (!strcmp(*argv, "-bits")) |
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if (--argc < 1) |
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goto bad; |
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else |
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bits = atoi(*++argv); |
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else if (!strcmp(*argv, "-safe")) |
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safe = 1; |
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else if (!strcmp(*argv, "-checks")) |
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if (--argc < 1) |
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goto bad; |
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else |
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checks = atoi(*++argv); |
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else { |
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BIO_printf(bio_err, "Unknown option '%s'\n", *argv); |
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goto bad; |
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} |
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--argc; |
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++argv; |
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} |
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|
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if (argv[0] == NULL && !generate) { |
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BIO_printf(bio_err, "No prime specified\n"); |
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goto bad; |
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} |
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|
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if ((bio_out = BIO_new(BIO_s_file())) != NULL) { |
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BIO_set_fp(bio_out, stdout, BIO_NOCLOSE); |
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#ifdef OPENSSL_SYS_VMS |
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{ |
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BIO *tmpbio = BIO_new(BIO_f_linebuffer()); |
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bio_out = BIO_push(tmpbio, bio_out); |
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} |
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#endif |
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} |
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|
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if (generate) { |
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char *s; |
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|
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if (!bits) { |
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BIO_printf(bio_err, "Specifiy the number of bits.\n"); |
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return 1; |
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} |
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bn = BN_new(); |
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BN_generate_prime_ex(bn, bits, safe, NULL, NULL, NULL); |
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s = hex ? BN_bn2hex(bn) : BN_bn2dec(bn); |
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BIO_printf(bio_out, "%s\n", s); |
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OPENSSL_free(s); |
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} else { |
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int r; |
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|
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if (hex) |
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r = BN_hex2bn(&bn, argv[0]); |
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else |
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r = BN_dec2bn(&bn, argv[0]); |
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|
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if(!r) { |
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BIO_printf(bio_err, "Failed to process value (%s)\n", argv[0]); |
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goto end; |
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} |
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|
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BN_print(bio_out, bn); |
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BIO_printf(bio_out, " is %sprime\n", |
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BN_is_prime_ex(bn, checks, NULL, NULL) ? "" : "not "); |
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} |
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|
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end: |
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BN_free(bn); |
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BIO_free_all(bio_out); |
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|
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return 0; |
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|
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bad: |
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BIO_printf(bio_err, "options are\n"); |
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BIO_printf(bio_err, "%-14s hex\n", "-hex"); |
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BIO_printf(bio_err, "%-14s number of checks\n", "-checks <n>"); |
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BIO_printf(bio_err, "%-14s generate prime\n", "-generate"); |
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BIO_printf(bio_err, "%-14s number of bits\n", "-bits <n>"); |
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BIO_printf(bio_err, "%-14s safe prime\n", "-safe"); |
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return 1; |
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} |
