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1/* $OpenBSD: m_sha1.c,v 1.17 2014/07/11 08:44:48 jsing Exp $ */
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
61#include <openssl/opensslconf.h>
62
63#ifndef OPENSSL_NO_SHA
64
65#include <openssl/evp.h>
66#include <openssl/objects.h>
67#include <openssl/sha.h>
68
69#ifndef OPENSSL_NO_RSA
70#include <openssl/rsa.h>
71#endif
72
73static int
74init(EVP_MD_CTX *ctx)
75{
76 return SHA1_Init(ctx->md_data);
77}
78
79static int
80update(EVP_MD_CTX *ctx, const void *data, size_t count)
81{
82 return SHA1_Update(ctx->md_data, data, count);
83}
84
85static int
86final(EVP_MD_CTX *ctx, unsigned char *md)
87{
88 return SHA1_Final(md, ctx->md_data);
89}
90
91static const EVP_MD sha1_md = {
92 .type = NID_sha1,
93 .pkey_type = NID_sha1WithRSAEncryption,
94 .md_size = SHA_DIGEST_LENGTH,
95 .flags = EVP_MD_FLAG_PKEY_METHOD_SIGNATURE|EVP_MD_FLAG_DIGALGID_ABSENT,
96 .init = init,
97 .update = update,
98 .final = final,
99 .copy = NULL,
100 .cleanup = NULL,
101#ifndef OPENSSL_NO_RSA
102 .sign = (evp_sign_method *)RSA_sign,
103 .verify = (evp_verify_method *)RSA_verify,
104 .required_pkey_type = {
105 EVP_PKEY_RSA, EVP_PKEY_RSA2, 0, 0,
106 },
107#endif
108 .block_size = SHA_CBLOCK,
109 .ctx_size = sizeof(EVP_MD *) + sizeof(SHA_CTX),
110};
111
112const EVP_MD *
113EVP_sha1(void)
114{
115 return (&sha1_md);
116}
117#endif
118
119#ifndef OPENSSL_NO_SHA256
120static int
121init224(EVP_MD_CTX *ctx)
122{
123 return SHA224_Init(ctx->md_data);
124}
125
126static int
127init256(EVP_MD_CTX *ctx)
128{
129 return SHA256_Init(ctx->md_data);
130}
131/*
132 * Even though there're separate SHA224_[Update|Final], we call
133 * SHA256 functions even in SHA224 context. This is what happens
134 * there anyway, so we can spare few CPU cycles:-)
135 */
136static int
137update256(EVP_MD_CTX *ctx, const void *data, size_t count)
138{
139 return SHA256_Update(ctx->md_data, data, count);
140}
141
142static int
143final256(EVP_MD_CTX *ctx, unsigned char *md)
144{
145 return SHA256_Final(md, ctx->md_data);
146}
147
148static const EVP_MD sha224_md = {
149 .type = NID_sha224,
150 .pkey_type = NID_sha224WithRSAEncryption,
151 .md_size = SHA224_DIGEST_LENGTH,
152 .flags = EVP_MD_FLAG_PKEY_METHOD_SIGNATURE|EVP_MD_FLAG_DIGALGID_ABSENT,
153 .init = init224,
154 .update = update256,
155 .final = final256,
156 .copy = NULL,
157 .cleanup = NULL,
158#ifndef OPENSSL_NO_RSA
159 .sign = (evp_sign_method *)RSA_sign,
160 .verify = (evp_verify_method *)RSA_verify,
161 .required_pkey_type = {
162 EVP_PKEY_RSA, EVP_PKEY_RSA2, 0, 0,
163 },
164#endif
165 .block_size = SHA256_CBLOCK,
166 .ctx_size = sizeof(EVP_MD *) + sizeof(SHA256_CTX),
167};
168
169const EVP_MD *
170EVP_sha224(void)
171{
172 return (&sha224_md);
173}
174
175static const EVP_MD sha256_md = {
176 .type = NID_sha256,
177 .pkey_type = NID_sha256WithRSAEncryption,
178 .md_size = SHA256_DIGEST_LENGTH,
179 .flags = EVP_MD_FLAG_PKEY_METHOD_SIGNATURE|EVP_MD_FLAG_DIGALGID_ABSENT,
180 .init = init256,
181 .update = update256,
182 .final = final256,
183 .copy = NULL,
184 .cleanup = NULL,
185#ifndef OPENSSL_NO_RSA
186 .sign = (evp_sign_method *)RSA_sign,
187 .verify = (evp_verify_method *)RSA_verify,
188 .required_pkey_type = {
189 EVP_PKEY_RSA, EVP_PKEY_RSA2, 0, 0,
190 },
191#endif
192 .block_size = SHA256_CBLOCK,
193 .ctx_size = sizeof(EVP_MD *) + sizeof(SHA256_CTX),
194};
195
196const EVP_MD *
197EVP_sha256(void)
198{
199 return (&sha256_md);
200}
201#endif /* ifndef OPENSSL_NO_SHA256 */
202
203#ifndef OPENSSL_NO_SHA512
204static int
205init384(EVP_MD_CTX *ctx)
206{
207 return SHA384_Init(ctx->md_data);
208}
209
210static int
211init512(EVP_MD_CTX *ctx)
212{
213 return SHA512_Init(ctx->md_data);
214}
215/* See comment in SHA224/256 section */
216static int
217update512(EVP_MD_CTX *ctx, const void *data, size_t count)
218{
219 return SHA512_Update(ctx->md_data, data, count);
220}
221
222static int
223final512(EVP_MD_CTX *ctx, unsigned char *md)
224{
225 return SHA512_Final(md, ctx->md_data);
226}
227
228static const EVP_MD sha384_md = {
229 .type = NID_sha384,
230 .pkey_type = NID_sha384WithRSAEncryption,
231 .md_size = SHA384_DIGEST_LENGTH,
232 .flags = EVP_MD_FLAG_PKEY_METHOD_SIGNATURE|EVP_MD_FLAG_DIGALGID_ABSENT,
233 .init = init384,
234 .update = update512,
235 .final = final512,
236 .copy = NULL,
237 .cleanup = NULL,
238#ifndef OPENSSL_NO_RSA
239 .sign = (evp_sign_method *)RSA_sign,
240 .verify = (evp_verify_method *)RSA_verify,
241 .required_pkey_type = {
242 EVP_PKEY_RSA, EVP_PKEY_RSA2, 0, 0,
243 },
244#endif
245 .block_size = SHA512_CBLOCK,
246 .ctx_size = sizeof(EVP_MD *) + sizeof(SHA512_CTX),
247};
248
249const EVP_MD *
250EVP_sha384(void)
251{
252 return (&sha384_md);
253}
254
255static const EVP_MD sha512_md = {
256 .type = NID_sha512,
257 .pkey_type = NID_sha512WithRSAEncryption,
258 .md_size = SHA512_DIGEST_LENGTH,
259 .flags = EVP_MD_FLAG_PKEY_METHOD_SIGNATURE|EVP_MD_FLAG_DIGALGID_ABSENT,
260 .init = init512,
261 .update = update512,
262 .final = final512,
263 .copy = NULL,
264 .cleanup = NULL,
265#ifndef OPENSSL_NO_RSA
266 .sign = (evp_sign_method *)RSA_sign,
267 .verify = (evp_verify_method *)RSA_verify,
268 .required_pkey_type = {
269 EVP_PKEY_RSA, EVP_PKEY_RSA2, 0, 0,
270 },
271#endif
272 .block_size = SHA512_CBLOCK,
273 .ctx_size = sizeof(EVP_MD *) + sizeof(SHA512_CTX),
274};
275
276const EVP_MD *
277EVP_sha512(void)
278{
279 return (&sha512_md);
280}
281#endif /* ifndef OPENSSL_NO_SHA512 */
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