rsa_depr.c revision 296341 
1/* crypto/rsa/rsa_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 * NB: This file contains deprecated functions (compatibility wrappers to the
58 * "new" versions).
59 */
60
61#include <stdio.h>
62#include <time.h>
63#include "cryptlib.h"
64#include <openssl/bn.h>
65#include <openssl/rsa.h>
66
67#ifdef OPENSSL_NO_DEPRECATED
68
69static void *dummy = &dummy;
70
71#else
72
73RSA *RSA_generate_key(int bits, unsigned long e_value,
74                      void (*callback) (int, int, void *), void *cb_arg)
75{
76    BN_GENCB cb;
77    int i;
78    RSA *rsa = RSA_new();
79    BIGNUM *e = BN_new();
80
81    if (!rsa || !e)
82        goto err;
83
84    /*
85     * The problem is when building with 8, 16, or 32 BN_ULONG, unsigned long
86     * can be larger
87     */
88    for (i = 0; i < (int)sizeof(unsigned long) * 8; i++) {
89        if (e_value & (1UL << i))
90            if (BN_set_bit(e, i) == 0)
91                goto err;
92    }
93
94    BN_GENCB_set_old(&cb, callback, cb_arg);
95
96    if (RSA_generate_key_ex(rsa, bits, e, &cb)) {
97        BN_free(e);
98        return rsa;
99    }
100 err:
101    if (e)
102        BN_free(e);
103    if (rsa)
104        RSA_free(rsa);
105    return 0;
106}
107#endif
108