1 /* ====================================================================
2 * Copyright (c) 2004 The OpenSSL Project. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in
13 * the documentation and/or other materials provided with the
16 * 3. All advertising materials mentioning features or use of this
17 * software must display the following acknowledgment:
18 * "This product includes software developed by the OpenSSL Project
19 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
21 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
22 * endorse or promote products derived from this software without
23 * prior written permission. For written permission, please contact
24 * openssl-core@openssl.org.
26 * 5. Products derived from this software may not be called "OpenSSL"
27 * nor may "OpenSSL" appear in their names without prior written
28 * permission of the OpenSSL Project.
30 * 6. Redistributions of any form whatsoever must retain the following
32 * "This product includes software developed by the OpenSSL Project
33 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
35 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
36 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
37 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
38 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
39 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
40 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
41 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
42 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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44 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
45 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
46 * OF THE POSSIBILITY OF SUCH DAMAGE.
53 #include <openssl/bn.h>
56 #define PROG prime_main
58 int MAIN(int, char **);
60 int MAIN(int argc, char **argv)
73 if ((bio_err = BIO_new(BIO_s_file())) != NULL)
74 BIO_set_fp(bio_err, stderr, BIO_NOCLOSE | BIO_FP_TEXT);
78 while (argc >= 1 && **argv == '-') {
79 if (!strcmp(*argv, "-hex"))
81 else if (!strcmp(*argv, "-generate"))
83 else if (!strcmp(*argv, "-bits"))
88 else if (!strcmp(*argv, "-safe"))
90 else if (!strcmp(*argv, "-checks"))
94 checks = atoi(*++argv);
96 BIO_printf(bio_err, "Unknown option '%s'\n", *argv);
103 if (argv[0] == NULL && !generate) {
104 BIO_printf(bio_err, "No prime specified\n");
108 if ((bio_out = BIO_new(BIO_s_file())) != NULL) {
109 BIO_set_fp(bio_out, stdout, BIO_NOCLOSE);
110 #ifdef OPENSSL_SYS_VMS
112 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
113 bio_out = BIO_push(tmpbio, bio_out);
122 BIO_printf(bio_err, "Specifiy the number of bits.\n");
126 BN_generate_prime_ex(bn, bits, safe, NULL, NULL, NULL);
127 s = hex ? BN_bn2hex(bn) : BN_bn2dec(bn);
128 BIO_printf(bio_out, "%s\n", s);
132 BN_hex2bn(&bn, argv[0]);
134 BN_dec2bn(&bn, argv[0]);
136 BN_print(bio_out, bn);
137 BIO_printf(bio_out, " is %sprime\n",
138 BN_is_prime_ex(bn, checks, NULL, NULL) ? "" : "not ");
142 BIO_free_all(bio_out);
147 BIO_printf(bio_err, "options are\n");
148 BIO_printf(bio_err, "%-14s hex\n", "-hex");
149 BIO_printf(bio_err, "%-14s number of checks\n", "-checks <n>");