Line data Source code
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/sha.h>
67 : # ifndef OPENSSL_NO_RSA
68 : # include <openssl/rsa.h>
69 : # endif
70 :
71 40475 : static int init(EVP_MD_CTX *ctx)
72 : {
73 40475 : return SHA1_Init(ctx->md_data);
74 : }
75 :
76 157931 : static int update(EVP_MD_CTX *ctx, const void *data, size_t count)
77 : {
78 157931 : return SHA1_Update(ctx->md_data, data, count);
79 : }
80 :
81 40475 : static int final(EVP_MD_CTX *ctx, unsigned char *md)
82 : {
83 40475 : return SHA1_Final(md, ctx->md_data);
84 : }
85 :
86 : static const EVP_MD sha1_md = {
87 : NID_sha1,
88 : NID_sha1WithRSAEncryption,
89 : SHA_DIGEST_LENGTH,
90 : EVP_MD_FLAG_PKEY_METHOD_SIGNATURE | EVP_MD_FLAG_DIGALGID_ABSENT,
91 : init,
92 : update,
93 : final,
94 : NULL,
95 : NULL,
96 : EVP_PKEY_RSA_method,
97 : SHA_CBLOCK,
98 : sizeof(EVP_MD *) + sizeof(SHA_CTX),
99 : };
100 :
101 49073 : const EVP_MD *EVP_sha1(void)
102 : {
103 49073 : return (&sha1_md);
104 : }
105 : #endif
106 :
107 : #ifndef OPENSSL_NO_SHA256
108 0 : static int init224(EVP_MD_CTX *ctx)
109 : {
110 0 : return SHA224_Init(ctx->md_data);
111 : }
112 :
113 9206 : static int init256(EVP_MD_CTX *ctx)
114 : {
115 9206 : return SHA256_Init(ctx->md_data);
116 : }
117 :
118 : /*
119 : * Even though there're separate SHA224_[Update|Final], we call
120 : * SHA256 functions even in SHA224 context. This is what happens
121 : * there anyway, so we can spare few CPU cycles:-)
122 : */
123 51887 : static int update256(EVP_MD_CTX *ctx, const void *data, size_t count)
124 : {
125 51887 : return SHA256_Update(ctx->md_data, data, count);
126 : }
127 :
128 23910 : static int final256(EVP_MD_CTX *ctx, unsigned char *md)
129 : {
130 23910 : return SHA256_Final(md, ctx->md_data);
131 : }
132 :
133 : static const EVP_MD sha224_md = {
134 : NID_sha224,
135 : NID_sha224WithRSAEncryption,
136 : SHA224_DIGEST_LENGTH,
137 : EVP_MD_FLAG_PKEY_METHOD_SIGNATURE | EVP_MD_FLAG_DIGALGID_ABSENT,
138 : init224,
139 : update256,
140 : final256,
141 : NULL,
142 : NULL,
143 : EVP_PKEY_RSA_method,
144 : SHA256_CBLOCK,
145 : sizeof(EVP_MD *) + sizeof(SHA256_CTX),
146 : };
147 :
148 2480 : const EVP_MD *EVP_sha224(void)
149 : {
150 2480 : return (&sha224_md);
151 : }
152 :
153 : static const EVP_MD sha256_md = {
154 : NID_sha256,
155 : NID_sha256WithRSAEncryption,
156 : SHA256_DIGEST_LENGTH,
157 : EVP_MD_FLAG_PKEY_METHOD_SIGNATURE | EVP_MD_FLAG_DIGALGID_ABSENT,
158 : init256,
159 : update256,
160 : final256,
161 : NULL,
162 : NULL,
163 : EVP_PKEY_RSA_method,
164 : SHA256_CBLOCK,
165 : sizeof(EVP_MD *) + sizeof(SHA256_CTX),
166 : };
167 :
168 3232 : const EVP_MD *EVP_sha256(void)
169 : {
170 3232 : return (&sha256_md);
171 : }
172 : #endif /* ifndef OPENSSL_NO_SHA256 */
173 :
174 : #ifndef OPENSSL_NO_SHA512
175 0 : static int init384(EVP_MD_CTX *ctx)
176 : {
177 0 : return SHA384_Init(ctx->md_data);
178 : }
179 :
180 743 : static int init512(EVP_MD_CTX *ctx)
181 : {
182 743 : return SHA512_Init(ctx->md_data);
183 : }
184 :
185 : /* See comment in SHA224/256 section */
186 2229 : static int update512(EVP_MD_CTX *ctx, const void *data, size_t count)
187 : {
188 2229 : return SHA512_Update(ctx->md_data, data, count);
189 : }
190 :
191 743 : static int final512(EVP_MD_CTX *ctx, unsigned char *md)
192 : {
193 743 : return SHA512_Final(md, ctx->md_data);
194 : }
195 :
196 : static const EVP_MD sha384_md = {
197 : NID_sha384,
198 : NID_sha384WithRSAEncryption,
199 : SHA384_DIGEST_LENGTH,
200 : EVP_MD_FLAG_PKEY_METHOD_SIGNATURE | EVP_MD_FLAG_DIGALGID_ABSENT,
201 : init384,
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 :
211 2480 : const EVP_MD *EVP_sha384(void)
212 : {
213 2480 : return (&sha384_md);
214 : }
215 :
216 : static const EVP_MD sha512_md = {
217 : NID_sha512,
218 : NID_sha512WithRSAEncryption,
219 : SHA512_DIGEST_LENGTH,
220 : EVP_MD_FLAG_PKEY_METHOD_SIGNATURE | EVP_MD_FLAG_DIGALGID_ABSENT,
221 : init512,
222 : update512,
223 : final512,
224 : NULL,
225 : NULL,
226 : EVP_PKEY_RSA_method,
227 : SHA512_CBLOCK,
228 : sizeof(EVP_MD *) + sizeof(SHA512_CTX),
229 : };
230 :
231 3969 : const EVP_MD *EVP_sha512(void)
232 : {
233 3969 : return (&sha512_md);
234 : }
235 : #endif /* ifndef OPENSSL_NO_SHA512 */
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