Branch data Line data Source code
1 : : /* crypto/evp/m_ecdsa.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 : : /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
56 : : * All rights reserved.
57 : : *
58 : : * This package is an SSL implementation written
59 : : * by Eric Young (eay@cryptsoft.com).
60 : : * The implementation was written so as to conform with Netscapes SSL.
61 : : *
62 : : * This library is free for commercial and non-commercial use as long as
63 : : * the following conditions are aheared to. The following conditions
64 : : * apply to all code found in this distribution, be it the RC4, RSA,
65 : : * lhash, DES, etc., code; not just the SSL code. The SSL documentation
66 : : * included with this distribution is covered by the same copyright terms
67 : : * except that the holder is Tim Hudson (tjh@cryptsoft.com).
68 : : *
69 : : * Copyright remains Eric Young's, and as such any Copyright notices in
70 : : * the code are not to be removed.
71 : : * If this package is used in a product, Eric Young should be given attribution
72 : : * as the author of the parts of the library used.
73 : : * This can be in the form of a textual message at program startup or
74 : : * in documentation (online or textual) provided with the package.
75 : : *
76 : : * Redistribution and use in source and binary forms, with or without
77 : : * modification, are permitted provided that the following conditions
78 : : * are met:
79 : : * 1. Redistributions of source code must retain the copyright
80 : : * notice, this list of conditions and the following disclaimer.
81 : : * 2. Redistributions in binary form must reproduce the above copyright
82 : : * notice, this list of conditions and the following disclaimer in the
83 : : * documentation and/or other materials provided with the distribution.
84 : : * 3. All advertising materials mentioning features or use of this software
85 : : * must display the following acknowledgement:
86 : : * "This product includes cryptographic software written by
87 : : * Eric Young (eay@cryptsoft.com)"
88 : : * The word 'cryptographic' can be left out if the rouines from the library
89 : : * being used are not cryptographic related :-).
90 : : * 4. If you include any Windows specific code (or a derivative thereof) from
91 : : * the apps directory (application code) you must include an acknowledgement:
92 : : * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
93 : : *
94 : : * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
95 : : * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
96 : : * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
97 : : * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
98 : : * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
99 : : * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
100 : : * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
101 : : * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
102 : : * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
103 : : * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
104 : : * SUCH DAMAGE.
105 : : *
106 : : * The licence and distribution terms for any publically available version or
107 : : * derivative of this code cannot be changed. i.e. this code cannot simply be
108 : : * copied and put under another distribution licence
109 : : * [including the GNU Public Licence.]
110 : : */
111 : :
112 : : #include <stdio.h>
113 : : #include "cryptlib.h"
114 : : #include <openssl/evp.h>
115 : : #include <openssl/objects.h>
116 : : #include <openssl/sha.h>
117 : :
118 : : #ifndef OPENSSL_NO_SHA
119 : :
120 : 4 : static int init(EVP_MD_CTX *ctx)
121 : 4 : { return SHA1_Init(ctx->md_data); }
122 : :
123 : 4 : static int update(EVP_MD_CTX *ctx,const void *data,size_t count)
124 : 4 : { return SHA1_Update(ctx->md_data,data,count); }
125 : :
126 : 4 : static int final(EVP_MD_CTX *ctx,unsigned char *md)
127 : 4 : { return SHA1_Final(md,ctx->md_data); }
128 : :
129 : : static const EVP_MD ecdsa_md=
130 : : {
131 : : NID_ecdsa_with_SHA1,
132 : : NID_ecdsa_with_SHA1,
133 : : SHA_DIGEST_LENGTH,
134 : : EVP_MD_FLAG_PKEY_METHOD_SIGNATURE|EVP_MD_FLAG_PKEY_DIGEST|EVP_MD_FLAG_FIPS,
135 : : init,
136 : : update,
137 : : final,
138 : : NULL,
139 : : NULL,
140 : : EVP_PKEY_NULL_method,
141 : : SHA_CBLOCK,
142 : : sizeof(EVP_MD *)+sizeof(SHA_CTX),
143 : : };
144 : :
145 : 1700 : const EVP_MD *EVP_ecdsa(void)
146 : : {
147 : 1700 : return(&ecdsa_md);
148 : : }
149 : : #endif
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