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4d94ae00 | 1 | /* crypto/evp/m_ecdsa.c */ |
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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 | |
40720ce3 | 10 | * notice, this list of conditions and the following disclaimer. |
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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 | */ | |
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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. | |
40720ce3 | 61 | * |
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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). | |
40720ce3 | 68 | * |
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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. | |
40720ce3 | 75 | * |
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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 :-). | |
40720ce3 | 90 | * 4. If you include any Windows specific code (or a derivative thereof) from |
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91 | * the apps directory (application code) you must include an acknowledgement: |
92 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | |
40720ce3 | 93 | * |
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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. | |
40720ce3 | 105 | * |
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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/x509.h> | |
117 | ||
118 | #ifndef OPENSSL_NO_SHA | |
119 | static int init(EVP_MD_CTX *ctx) | |
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120 | { |
121 | return SHA1_Init(ctx->md_data); | |
122 | } | |
4d94ae00 | 123 | |
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124 | static int update(EVP_MD_CTX *ctx, const void *data, size_t count) |
125 | { | |
126 | return SHA1_Update(ctx->md_data, data, count); | |
127 | } | |
4d94ae00 | 128 | |
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129 | static int final(EVP_MD_CTX *ctx, unsigned char *md) |
130 | { | |
131 | return SHA1_Final(md, ctx->md_data); | |
132 | } | |
4d94ae00 | 133 | |
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134 | static const EVP_MD ecdsa_md = { |
135 | NID_ecdsa_with_SHA1, | |
136 | NID_ecdsa_with_SHA1, | |
137 | SHA_DIGEST_LENGTH, | |
138 | 0, | |
139 | init, | |
140 | update, | |
141 | final, | |
142 | NULL, | |
143 | NULL, | |
144 | EVP_PKEY_ECDSA_method, | |
145 | SHA_CBLOCK, | |
146 | sizeof(EVP_MD *) + sizeof(SHA_CTX), | |
147 | }; | |
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148 | |
149 | const EVP_MD *EVP_ecdsa(void) | |
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150 | { |
151 | return (&ecdsa_md); | |
152 | } | |
4d94ae00 | 153 | #endif |