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 #include <stdio.h>
60 #include "cryptlib.h"
61
62 #ifndef OPENSSL_NO_SHA
63
64 #include <openssl/evp.h>
65 #include <openssl/objects.h>
66 #include <openssl/x509.h>
67 #ifndef OPENSSL_NO_RSA
68 #include <openssl/rsa.h>
69 #endif
70
init(EVP_MD_CTX * ctx)71 static int init(EVP_MD_CTX *ctx)
72 { return SHA1_Init(ctx->md_data); }
73
update(EVP_MD_CTX * ctx,const void * data,size_t count)74 static int update(EVP_MD_CTX *ctx,const void *data,size_t count)
75 { return SHA1_Update(ctx->md_data,data,count); }
76
final(EVP_MD_CTX * ctx,unsigned char * md)77 static int final(EVP_MD_CTX *ctx,unsigned char *md)
78 { return SHA1_Final(md,ctx->md_data); }
79
80 static const EVP_MD sha1_md=
81 {
82 NID_sha1,
83 NID_sha1WithRSAEncryption,
84 SHA_DIGEST_LENGTH,
85 0,
86 init,
87 update,
88 final,
89 NULL,
90 NULL,
91 EVP_PKEY_RSA_method,
92 SHA_CBLOCK,
93 sizeof(EVP_MD *)+sizeof(SHA_CTX),
94 };
95
EVP_sha1(void)96 const EVP_MD *EVP_sha1(void)
97 {
98 return(&sha1_md);
99 }
100 #endif
101
102 #ifndef OPENSSL_NO_SHA256
init224(EVP_MD_CTX * ctx)103 static int init224(EVP_MD_CTX *ctx)
104 { return SHA224_Init(ctx->md_data); }
init256(EVP_MD_CTX * ctx)105 static int init256(EVP_MD_CTX *ctx)
106 { return SHA256_Init(ctx->md_data); }
107 /*
108 * Even though there're separate SHA224_[Update|Final], we call
109 * SHA256 functions even in SHA224 context. This is what happens
110 * there anyway, so we can spare few CPU cycles:-)
111 */
update256(EVP_MD_CTX * ctx,const void * data,size_t count)112 static int update256(EVP_MD_CTX *ctx,const void *data,size_t count)
113 { return SHA256_Update(ctx->md_data,data,count); }
final256(EVP_MD_CTX * ctx,unsigned char * md)114 static int final256(EVP_MD_CTX *ctx,unsigned char *md)
115 { return SHA256_Final(md,ctx->md_data); }
116
117 static const EVP_MD sha224_md=
118 {
119 NID_sha224,
120 NID_sha224WithRSAEncryption,
121 SHA224_DIGEST_LENGTH,
122 0,
123 init224,
124 update256,
125 final256,
126 NULL,
127 NULL,
128 EVP_PKEY_RSA_method,
129 SHA256_CBLOCK,
130 sizeof(EVP_MD *)+sizeof(SHA256_CTX),
131 };
132
EVP_sha224(void)133 const EVP_MD *EVP_sha224(void)
134 { return(&sha224_md); }
135
136 static const EVP_MD sha256_md=
137 {
138 NID_sha256,
139 NID_sha256WithRSAEncryption,
140 SHA256_DIGEST_LENGTH,
141 0,
142 init256,
143 update256,
144 final256,
145 NULL,
146 NULL,
147 EVP_PKEY_RSA_method,
148 SHA256_CBLOCK,
149 sizeof(EVP_MD *)+sizeof(SHA256_CTX),
150 };
151
EVP_sha256(void)152 const EVP_MD *EVP_sha256(void)
153 { return(&sha256_md); }
154 #endif /* ifndef OPENSSL_NO_SHA256 */
155
156 #ifndef OPENSSL_NO_SHA512
init384(EVP_MD_CTX * ctx)157 static int init384(EVP_MD_CTX *ctx)
158 { return SHA384_Init(ctx->md_data); }
init512(EVP_MD_CTX * ctx)159 static int init512(EVP_MD_CTX *ctx)
160 { return SHA512_Init(ctx->md_data); }
161 /* See comment in SHA224/256 section */
update512(EVP_MD_CTX * ctx,const void * data,size_t count)162 static int update512(EVP_MD_CTX *ctx,const void *data,size_t count)
163 { return SHA512_Update(ctx->md_data,data,count); }
final512(EVP_MD_CTX * ctx,unsigned char * md)164 static int final512(EVP_MD_CTX *ctx,unsigned char *md)
165 { return SHA512_Final(md,ctx->md_data); }
166
167 static const EVP_MD sha384_md=
168 {
169 NID_sha384,
170 NID_sha384WithRSAEncryption,
171 SHA384_DIGEST_LENGTH,
172 0,
173 init384,
174 update512,
175 final512,
176 NULL,
177 NULL,
178 EVP_PKEY_RSA_method,
179 SHA512_CBLOCK,
180 sizeof(EVP_MD *)+sizeof(SHA512_CTX),
181 };
182
EVP_sha384(void)183 const EVP_MD *EVP_sha384(void)
184 { return(&sha384_md); }
185
186 static const EVP_MD sha512_md=
187 {
188 NID_sha512,
189 NID_sha512WithRSAEncryption,
190 SHA512_DIGEST_LENGTH,
191 0,
192 init512,
193 update512,
194 final512,
195 NULL,
196 NULL,
197 EVP_PKEY_RSA_method,
198 SHA512_CBLOCK,
199 sizeof(EVP_MD *)+sizeof(SHA512_CTX),
200 };
201
EVP_sha512(void)202 const EVP_MD *EVP_sha512(void)
203 { return(&sha512_md); }
204 #endif /* ifndef OPENSSL_NO_SHA512 */
205