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1/* crypto/evp/m_sha1.c */
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#ifndef OPENSSL_NO_SHA
60#include <stdio.h>
61#include "cryptlib.h"
62#include <openssl/evp.h>
63#include <openssl/objects.h>
64#include <openssl/x509.h>
65
66static int init(EVP_MD_CTX *ctx)
67 { return SHA1_Init(ctx->md_data); }
68
69static int update(EVP_MD_CTX *ctx,const void *data,unsigned long count)
70#ifndef OPENSSL_FIPS
71 { return SHA1_Update(ctx->md_data,data,count); }
72#else
73 {
74 OPENSSL_assert(sizeof(count)<=sizeof(size_t));
75 return SHA1_Update(ctx->md_data,data,count);
76 }
77#endif
78
79static int final(EVP_MD_CTX *ctx,unsigned char *md)
80 { return SHA1_Final(md,ctx->md_data); }
81
82static const EVP_MD sha1_md=
83 {
84 NID_sha1,
85 NID_sha1WithRSAEncryption,
86 SHA_DIGEST_LENGTH,
87 EVP_MD_FLAG_FIPS,
88 init,
89 update,
90 final,
91 NULL,
92 NULL,
93 EVP_PKEY_RSA_method,
94 SHA_CBLOCK,
95 sizeof(EVP_MD *)+sizeof(SHA_CTX),
96 };
97
98const EVP_MD *EVP_sha1(void)
99 {
100 return(&sha1_md);
101 }
102#endif
103
104#ifdef OPENSSL_FIPS
105#ifndef OPENSSL_NO_SHA256
106static int init224(EVP_MD_CTX *ctx)
107 { return SHA224_Init(ctx->md_data); }
108static int init256(EVP_MD_CTX *ctx)
109 { return SHA256_Init(ctx->md_data); }
110/*
111 * Even though there're separate SHA224_[Update|Final], we call
112 * SHA256 functions even in SHA224 context. This is what happens
113 * there anyway, so we can spare few CPU cycles:-)
114 */
115static int update256(EVP_MD_CTX *ctx,const void *data,unsigned long count)
116 {
117 OPENSSL_assert(sizeof(count)<=sizeof(size_t));
118 return SHA256_Update(ctx->md_data,data,count);
119 }
120static int final256(EVP_MD_CTX *ctx,unsigned char *md)
121 { return SHA256_Final(md,ctx->md_data); }
122
123static const EVP_MD sha224_md=
124 {
125 NID_sha224,
126 NID_sha224WithRSAEncryption,
127 SHA224_DIGEST_LENGTH,
128 EVP_MD_FLAG_FIPS,
129 init224,
130 update256,
131 final256,
132 NULL,
133 NULL,
134 EVP_PKEY_RSA_method,
135 SHA256_CBLOCK,
136 sizeof(EVP_MD *)+sizeof(SHA256_CTX),
137 };
138
139const EVP_MD *EVP_sha224(void)
140 { return(&sha224_md); }
141
142static const EVP_MD sha256_md=
143 {
144 NID_sha256,
145 NID_sha256WithRSAEncryption,
146 SHA256_DIGEST_LENGTH,
147 EVP_MD_FLAG_FIPS,
148 init256,
149 update256,
150 final256,
151 NULL,
152 NULL,
153 EVP_PKEY_RSA_method,
154 SHA256_CBLOCK,
155 sizeof(EVP_MD *)+sizeof(SHA256_CTX),
156 };
157
158const EVP_MD *EVP_sha256(void)
159 { return(&sha256_md); }
160#endif /* ifndef OPENSSL_NO_SHA256 */
161
162#ifndef OPENSSL_NO_SHA512
163static int init384(EVP_MD_CTX *ctx)
164 { return SHA384_Init(ctx->md_data); }
165static int init512(EVP_MD_CTX *ctx)
166 { return SHA512_Init(ctx->md_data); }
167/* See comment in SHA224/256 section */
168static int update512(EVP_MD_CTX *ctx,const void *data,unsigned long count)
169 {
170 OPENSSL_assert(sizeof(count)<=sizeof(size_t));
171 return SHA512_Update(ctx->md_data,data,count);
172 }
173static int final512(EVP_MD_CTX *ctx,unsigned char *md)
174 { return SHA512_Final(md,ctx->md_data); }
175
176static const EVP_MD sha384_md=
177 {
178 NID_sha384,
179 NID_sha384WithRSAEncryption,
180 SHA384_DIGEST_LENGTH,
181 EVP_MD_FLAG_FIPS,
182 init384,
183 update512,
184 final512,
185 NULL,
186 NULL,
187 EVP_PKEY_RSA_method,
188 SHA512_CBLOCK,
189 sizeof(EVP_MD *)+sizeof(SHA512_CTX),
190 };
191
192const EVP_MD *EVP_sha384(void)
193 { return(&sha384_md); }
194
195static const EVP_MD sha512_md=
196 {
197 NID_sha512,
198 NID_sha512WithRSAEncryption,
199 SHA512_DIGEST_LENGTH,
200 EVP_MD_FLAG_FIPS,
201 init512,
202 update512,
203 final512,
204 NULL,
205 NULL,
206 EVP_PKEY_RSA_method,
207 SHA512_CBLOCK,
208 sizeof(EVP_MD *)+sizeof(SHA512_CTX),
209 };
210
211const EVP_MD *EVP_sha512(void)
212 { return(&sha512_md); }
213#endif /* ifndef OPENSSL_NO_SHA512 */
214#endif /* ifdef OPENSSL_FIPS */
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