fips_rsa_lib.c revision 267654 
1/* fips_rsa_sign.c */
2/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
3 * project 2007.
4 */
5/* ====================================================================
6 * Copyright (c) 2007 The OpenSSL Project.  All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 *
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 *
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in
17 *    the documentation and/or other materials provided with the
18 *    distribution.
19 *
20 * 3. All advertising materials mentioning features or use of this
21 *    software must display the following acknowledgment:
22 *    "This product includes software developed by the OpenSSL Project
23 *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
24 *
25 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
26 *    endorse or promote products derived from this software without
27 *    prior written permission. For written permission, please contact
28 *    licensing@OpenSSL.org.
29 *
30 * 5. Products derived from this software may not be called "OpenSSL"
31 *    nor may "OpenSSL" appear in their names without prior written
32 *    permission of the OpenSSL Project.
33 *
34 * 6. Redistributions of any form whatsoever must retain the following
35 *    acknowledgment:
36 *    "This product includes software developed by the OpenSSL Project
37 *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
38 *
39 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
40 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
41 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
42 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
43 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
45 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
46 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
48 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
49 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
50 * OF THE POSSIBILITY OF SUCH DAMAGE.
51 * ====================================================================
52 *
53 * This product includes cryptographic software written by Eric Young
54 * (eay@cryptsoft.com).  This product includes software written by Tim
55 * Hudson (tjh@cryptsoft.com).
56 *
57 */
58
59#include <string.h>
60#include <openssl/evp.h>
61#include <openssl/rsa.h>
62#include <openssl/bn.h>
63#include <openssl/err.h>
64
65/* Minimal FIPS versions of FIPS_rsa_new() and FIPS_rsa_free: to
66 * reduce external dependencies.
67 */
68
69RSA *FIPS_rsa_new(void)
70	{
71	RSA *ret;
72	ret = OPENSSL_malloc(sizeof(RSA));
73	if (!ret)
74		return NULL;
75	memset(ret, 0, sizeof(RSA));
76	ret->meth = RSA_PKCS1_SSLeay();
77	if (ret->meth->init)
78		ret->meth->init(ret);
79	return ret;
80	}
81
82void FIPS_rsa_free(RSA *r)
83	{
84	if (!r)
85		return;
86	if (r->meth->finish)
87		r->meth->finish(r);
88	if (r->n != NULL) BN_clear_free(r->n);
89	if (r->e != NULL) BN_clear_free(r->e);
90	if (r->d != NULL) BN_clear_free(r->d);
91	if (r->p != NULL) BN_clear_free(r->p);
92	if (r->q != NULL) BN_clear_free(r->q);
93	if (r->dmp1 != NULL) BN_clear_free(r->dmp1);
94	if (r->dmq1 != NULL) BN_clear_free(r->dmq1);
95	if (r->iqmp != NULL) BN_clear_free(r->iqmp);
96	if (r->blinding != NULL) BN_BLINDING_free(r->blinding);
97	if (r->mt_blinding != NULL) BN_BLINDING_free(r->mt_blinding);
98	if (r->bignum_data != NULL) OPENSSL_free_locked(r->bignum_data);
99	OPENSSL_free(r);
100	}
101
102