bn_depr.c revision 296465 
1/* crypto/bn/bn_depr.c */
2/* ====================================================================
3 * Copyright (c) 1998-2002 The OpenSSL Project.  All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 *
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in
14 *    the documentation and/or other materials provided with the
15 *    distribution.
16 *
17 * 3. All advertising materials mentioning features or use of this
18 *    software must display the following acknowledgment:
19 *    "This product includes software developed by the OpenSSL Project
20 *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
21 *
22 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
23 *    endorse or promote products derived from this software without
24 *    prior written permission. For written permission, please contact
25 *    openssl-core@openssl.org.
26 *
27 * 5. Products derived from this software may not be called "OpenSSL"
28 *    nor may "OpenSSL" appear in their names without prior written
29 *    permission of the OpenSSL Project.
30 *
31 * 6. Redistributions of any form whatsoever must retain the following
32 *    acknowledgment:
33 *    "This product includes software developed by the OpenSSL Project
34 *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
35 *
36 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
37 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
38 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
39 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
40 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
41 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
42 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
43 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
44 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
45 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
46 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
47 * OF THE POSSIBILITY OF SUCH DAMAGE.
48 * ====================================================================
49 *
50 * This product includes cryptographic software written by Eric Young
51 * (eay@cryptsoft.com).  This product includes software written by Tim
52 * Hudson (tjh@cryptsoft.com).
53 *
54 */
55
56/*
57 * Support for deprecated functions goes here - static linkage will only
58 * slurp this code if applications are using them directly.
59 */
60
61#include <stdio.h>
62#include <time.h>
63#include "cryptlib.h"
64#include "bn_lcl.h"
65#include <openssl/rand.h>
66
67static void *dummy = &dummy;
68
69#ifndef OPENSSL_NO_DEPRECATED
70BIGNUM *BN_generate_prime(BIGNUM *ret, int bits, int safe,
71                          const BIGNUM *add, const BIGNUM *rem,
72                          void (*callback) (int, int, void *), void *cb_arg)
73{
74    BN_GENCB cb;
75    BIGNUM *rnd = NULL;
76    int found = 0;
77
78    BN_GENCB_set_old(&cb, callback, cb_arg);
79
80    if (ret == NULL) {
81        if ((rnd = BN_new()) == NULL)
82            goto err;
83    } else
84        rnd = ret;
85    if (!BN_generate_prime_ex(rnd, bits, safe, add, rem, &cb))
86        goto err;
87
88    /* we have a prime :-) */
89    found = 1;
90 err:
91    if (!found && (ret == NULL) && (rnd != NULL))
92        BN_free(rnd);
93    return (found ? rnd : NULL);
94}
95
96int BN_is_prime(const BIGNUM *a, int checks,
97                void (*callback) (int, int, void *), BN_CTX *ctx_passed,
98                void *cb_arg)
99{
100    BN_GENCB cb;
101    BN_GENCB_set_old(&cb, callback, cb_arg);
102    return BN_is_prime_ex(a, checks, ctx_passed, &cb);
103}
104
105int BN_is_prime_fasttest(const BIGNUM *a, int checks,
106                         void (*callback) (int, int, void *),
107                         BN_CTX *ctx_passed, void *cb_arg,
108                         int do_trial_division)
109{
110    BN_GENCB cb;
111    BN_GENCB_set_old(&cb, callback, cb_arg);
112    return BN_is_prime_fasttest_ex(a, checks, ctx_passed,
113                                   do_trial_division, &cb);
114}
115#endif
116