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diff --git a/src/lib/libcrypto/evp/m_dss.c b/src/lib/libcrypto/evp/m_dss.c
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1/* $OpenBSD: m_dss.c,v 1.16 2014/07/11 08:44:48 jsing Exp $ */
2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
4 *
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
8 *
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 *
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
22 *
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
25 * are met:
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 *
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51 * SUCH DAMAGE.
52 *
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
57 */
58
59#include <stdio.h>
60
61#include <openssl/opensslconf.h>
62
63#include <openssl/evp.h>
64#include <openssl/objects.h>
65#include <openssl/sha.h>
66
67#ifndef OPENSSL_NO_DSA
68#include <openssl/dsa.h>
69#endif
70
71#ifndef OPENSSL_NO_SHA
72
73static int
74init(EVP_MD_CTX *ctx)
75{
76 return SHA1_Init(ctx->md_data);
77}
78
79static int
80update(EVP_MD_CTX *ctx, const void *data, size_t count)
81{
82 return SHA1_Update(ctx->md_data, data, count);
83}
84
85static int
86final(EVP_MD_CTX *ctx, unsigned char *md)
87{
88 return SHA1_Final(md, ctx->md_data);
89}
90
91static const EVP_MD dsa_md = {
92 .type = NID_dsaWithSHA,
93 .pkey_type = NID_dsaWithSHA,
94 .md_size = SHA_DIGEST_LENGTH,
95 .flags = EVP_MD_FLAG_PKEY_DIGEST,
96 .init = init,
97 .update = update,
98 .final = final,
99 .copy = NULL,
100 .cleanup = NULL,
101#ifndef OPENSSL_NO_DSA
102 .sign = (evp_sign_method *)DSA_sign,
103 .verify = (evp_verify_method *)DSA_verify,
104 .required_pkey_type = {
105 EVP_PKEY_DSA, EVP_PKEY_DSA2, EVP_PKEY_DSA3, EVP_PKEY_DSA4, 0,
106 },
107#endif
108 .block_size = SHA_CBLOCK,
109 .ctx_size = sizeof(EVP_MD *) + sizeof(SHA_CTX),
110};
111
112const EVP_MD *
113EVP_dss(void)
114{
115 return (&dsa_md);
116}
117#endif