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_FIPS
63
64 # ifndef OPENSSL_NO_SHA
65
66 # include <openssl/evp.h>
67 # include <openssl/objects.h>
68 # include <openssl/sha.h>
69 # ifndef OPENSSL_NO_RSA
70 # include <openssl/rsa.h>
71 # endif
72
init(EVP_MD_CTX * ctx)73 static int init(EVP_MD_CTX *ctx)
74 {
75 return SHA1_Init(ctx->md_data);
76 }
77
update(EVP_MD_CTX * ctx,const void * data,size_t count)78 static int update(EVP_MD_CTX *ctx, const void *data, size_t count)
79 {
80 return SHA1_Update(ctx->md_data, data, count);
81 }
82
final(EVP_MD_CTX * ctx,unsigned char * md)83 static int final(EVP_MD_CTX *ctx, unsigned char *md)
84 {
85 return SHA1_Final(md, ctx->md_data);
86 }
87
88 static const EVP_MD sha1_md = {
89 NID_sha1,
90 NID_sha1WithRSAEncryption,
91 SHA_DIGEST_LENGTH,
92 EVP_MD_FLAG_PKEY_METHOD_SIGNATURE | EVP_MD_FLAG_DIGALGID_ABSENT,
93 init,
94 update,
95 final,
96 NULL,
97 NULL,
98 EVP_PKEY_RSA_method,
99 SHA_CBLOCK,
100 sizeof(EVP_MD *) + sizeof(SHA_CTX),
101 };
102
EVP_sha1(void)103 const EVP_MD *EVP_sha1(void)
104 {
105 return (&sha1_md);
106 }
107 # endif
108
109 # ifndef OPENSSL_NO_SHA256
init224(EVP_MD_CTX * ctx)110 static int init224(EVP_MD_CTX *ctx)
111 {
112 return SHA224_Init(ctx->md_data);
113 }
114
init256(EVP_MD_CTX * ctx)115 static int init256(EVP_MD_CTX *ctx)
116 {
117 return SHA256_Init(ctx->md_data);
118 }
119
120 /*
121 * Even though there're separate SHA224_[Update|Final], we call
122 * SHA256 functions even in SHA224 context. This is what happens
123 * there anyway, so we can spare few CPU cycles:-)
124 */
update256(EVP_MD_CTX * ctx,const void * data,size_t count)125 static int update256(EVP_MD_CTX *ctx, const void *data, size_t count)
126 {
127 return SHA256_Update(ctx->md_data, data, count);
128 }
129
final256(EVP_MD_CTX * ctx,unsigned char * md)130 static int final256(EVP_MD_CTX *ctx, unsigned char *md)
131 {
132 return SHA256_Final(md, ctx->md_data);
133 }
134
135 static const EVP_MD sha224_md = {
136 NID_sha224,
137 NID_sha224WithRSAEncryption,
138 SHA224_DIGEST_LENGTH,
139 EVP_MD_FLAG_PKEY_METHOD_SIGNATURE | EVP_MD_FLAG_DIGALGID_ABSENT,
140 init224,
141 update256,
142 final256,
143 NULL,
144 NULL,
145 EVP_PKEY_RSA_method,
146 SHA256_CBLOCK,
147 sizeof(EVP_MD *) + sizeof(SHA256_CTX),
148 };
149
EVP_sha224(void)150 const EVP_MD *EVP_sha224(void)
151 {
152 return (&sha224_md);
153 }
154
155 static const EVP_MD sha256_md = {
156 NID_sha256,
157 NID_sha256WithRSAEncryption,
158 SHA256_DIGEST_LENGTH,
159 EVP_MD_FLAG_PKEY_METHOD_SIGNATURE | EVP_MD_FLAG_DIGALGID_ABSENT,
160 init256,
161 update256,
162 final256,
163 NULL,
164 NULL,
165 EVP_PKEY_RSA_method,
166 SHA256_CBLOCK,
167 sizeof(EVP_MD *) + sizeof(SHA256_CTX),
168 };
169
EVP_sha256(void)170 const EVP_MD *EVP_sha256(void)
171 {
172 return (&sha256_md);
173 }
174 # endif /* ifndef OPENSSL_NO_SHA256 */
175
176 # ifndef OPENSSL_NO_SHA512
init384(EVP_MD_CTX * ctx)177 static int init384(EVP_MD_CTX *ctx)
178 {
179 return SHA384_Init(ctx->md_data);
180 }
181
init512(EVP_MD_CTX * ctx)182 static int init512(EVP_MD_CTX *ctx)
183 {
184 return SHA512_Init(ctx->md_data);
185 }
186
187 /* See comment in SHA224/256 section */
update512(EVP_MD_CTX * ctx,const void * data,size_t count)188 static int update512(EVP_MD_CTX *ctx, const void *data, size_t count)
189 {
190 return SHA512_Update(ctx->md_data, data, count);
191 }
192
final512(EVP_MD_CTX * ctx,unsigned char * md)193 static int final512(EVP_MD_CTX *ctx, unsigned char *md)
194 {
195 return SHA512_Final(md, ctx->md_data);
196 }
197
198 static const EVP_MD sha384_md = {
199 NID_sha384,
200 NID_sha384WithRSAEncryption,
201 SHA384_DIGEST_LENGTH,
202 EVP_MD_FLAG_PKEY_METHOD_SIGNATURE | EVP_MD_FLAG_DIGALGID_ABSENT,
203 init384,
204 update512,
205 final512,
206 NULL,
207 NULL,
208 EVP_PKEY_RSA_method,
209 SHA512_CBLOCK,
210 sizeof(EVP_MD *) + sizeof(SHA512_CTX),
211 };
212
EVP_sha384(void)213 const EVP_MD *EVP_sha384(void)
214 {
215 return (&sha384_md);
216 }
217
218 static const EVP_MD sha512_md = {
219 NID_sha512,
220 NID_sha512WithRSAEncryption,
221 SHA512_DIGEST_LENGTH,
222 EVP_MD_FLAG_PKEY_METHOD_SIGNATURE | EVP_MD_FLAG_DIGALGID_ABSENT,
223 init512,
224 update512,
225 final512,
226 NULL,
227 NULL,
228 EVP_PKEY_RSA_method,
229 SHA512_CBLOCK,
230 sizeof(EVP_MD *) + sizeof(SHA512_CTX),
231 };
232
EVP_sha512(void)233 const EVP_MD *EVP_sha512(void)
234 {
235 return (&sha512_md);
236 }
237 # endif /* ifndef OPENSSL_NO_SHA512 */
238
239 #endif
240