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59f3477b | 1 | /* fips_dsa_lib.c */ |
40720ce3 MC |
2 | /* |
3 | * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project | |
4 | * 2007. | |
59f3477b DSH |
5 | */ |
6 | /* ==================================================================== | |
7 | * Copyright (c) 2007 The OpenSSL Project. All rights reserved. | |
8 | * | |
9 | * Redistribution and use in source and binary forms, with or without | |
10 | * modification, are permitted provided that the following conditions | |
11 | * are met: | |
12 | * | |
13 | * 1. Redistributions of source code must retain the above copyright | |
40720ce3 | 14 | * notice, this list of conditions and the following disclaimer. |
59f3477b DSH |
15 | * |
16 | * 2. Redistributions in binary form must reproduce the above copyright | |
17 | * notice, this list of conditions and the following disclaimer in | |
18 | * the documentation and/or other materials provided with the | |
19 | * distribution. | |
20 | * | |
21 | * 3. All advertising materials mentioning features or use of this | |
22 | * software must display the following acknowledgment: | |
23 | * "This product includes software developed by the OpenSSL Project | |
24 | * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" | |
25 | * | |
26 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | |
27 | * endorse or promote products derived from this software without | |
28 | * prior written permission. For written permission, please contact | |
29 | * licensing@OpenSSL.org. | |
30 | * | |
31 | * 5. Products derived from this software may not be called "OpenSSL" | |
32 | * nor may "OpenSSL" appear in their names without prior written | |
33 | * permission of the OpenSSL Project. | |
34 | * | |
35 | * 6. Redistributions of any form whatsoever must retain the following | |
36 | * acknowledgment: | |
37 | * "This product includes software developed by the OpenSSL Project | |
38 | * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" | |
39 | * | |
40 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | |
41 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
42 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
43 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | |
44 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
45 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
46 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
47 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
48 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
49 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
50 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
51 | * OF THE POSSIBILITY OF SUCH DAMAGE. | |
52 | * ==================================================================== | |
53 | * | |
54 | * This product includes cryptographic software written by Eric Young | |
55 | * (eay@cryptsoft.com). This product includes software written by Tim | |
56 | * Hudson (tjh@cryptsoft.com). | |
57 | * | |
58 | */ | |
59 | ||
60 | #include <string.h> | |
61 | #include <openssl/dsa.h> | |
155ad6d2 | 62 | #include <openssl/bn.h> |
59f3477b | 63 | |
40720ce3 MC |
64 | /* |
65 | * Minimal FIPS versions of FIPS_dsa_new() and FIPS_dsa_free: to reduce | |
66 | * external dependencies. | |
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67 | */ |
68 | ||
69 | DSA *FIPS_dsa_new(void) | |
40720ce3 MC |
70 | { |
71 | DSA *ret; | |
72 | ret = OPENSSL_malloc(sizeof(DSA)); | |
73 | if (!ret) | |
74 | return NULL; | |
75 | memset(ret, 0, sizeof(DSA)); | |
76 | ret->meth = DSA_OpenSSL(); | |
77 | if (ret->meth->init) | |
78 | ret->meth->init(ret); | |
79 | return ret; | |
80 | } | |
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81 | |
82 | void FIPS_dsa_free(DSA *r) | |
40720ce3 MC |
83 | { |
84 | if (!r) | |
85 | return; | |
86 | if (r->meth->finish) | |
87 | r->meth->finish(r); | |
88 | if (r->p != NULL) | |
89 | BN_clear_free(r->p); | |
90 | if (r->q != NULL) | |
91 | BN_clear_free(r->q); | |
92 | if (r->g != NULL) | |
93 | BN_clear_free(r->g); | |
94 | if (r->pub_key != NULL) | |
95 | BN_clear_free(r->pub_key); | |
96 | if (r->priv_key != NULL) | |
97 | BN_clear_free(r->priv_key); | |
98 | if (r->kinv != NULL) | |
99 | BN_clear_free(r->kinv); | |
100 | if (r->r != NULL) | |
101 | BN_clear_free(r->r); | |
102 | OPENSSL_free(r); | |
103 | } |