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1 /* fips_dsa_lib.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/dsa.h> | |
61 #include <openssl/bn.h> | |
62 | |
63 /* Minimal FIPS versions of FIPS_dsa_new() and FIPS_dsa_free: to | |
64 * reduce external dependencies. | |
65 */ | |
66 | |
67 DSA *FIPS_dsa_new(void) | |
68 { | |
69 DSA *ret; | |
70 ret = OPENSSL_malloc(sizeof(DSA)); | |
71 if (!ret) | |
72 return NULL; | |
73 memset(ret, 0, sizeof(DSA)); | |
74 ret->meth = DSA_OpenSSL(); | |
75 if (ret->meth->init) | |
76 ret->meth->init(ret); | |
77 return ret; | |
78 } | |
79 | |
80 void FIPS_dsa_free(DSA *r) | |
81 { | |
82 if (!r) | |
83 return; | |
84 if (r->meth->finish) | |
85 r->meth->finish(r); | |
86 if (r->p != NULL) BN_clear_free(r->p); | |
87 if (r->q != NULL) BN_clear_free(r->q); | |
88 if (r->g != NULL) BN_clear_free(r->g); | |
89 if (r->pub_key != NULL) BN_clear_free(r->pub_key); | |
90 if (r->priv_key != NULL) BN_clear_free(r->priv_key); | |
91 if (r->kinv != NULL) BN_clear_free(r->kinv); | |
92 if (r->r != NULL) BN_clear_free(r->r); | |
93 OPENSSL_free(r); | |
94 } | |
95 | |
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