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
71#ifndef OPENSSL_FIPS
72
73static int init(EVP_MD_CTX *ctx)
74	{ return SHA1_Init(ctx->md_data); }
75
76static int update(EVP_MD_CTX *ctx,const void *data,size_t count)
77	{ return SHA1_Update(ctx->md_data,data,count); }
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	0,
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
103#ifndef OPENSSL_NO_SHA256
104static int init224(EVP_MD_CTX *ctx)
105	{ return SHA224_Init(ctx->md_data); }
106static int init256(EVP_MD_CTX *ctx)
107	{ return SHA256_Init(ctx->md_data); }
108/*
109 * Even though there're separate SHA224_[Update|Final], we call
110 * SHA256 functions even in SHA224 context. This is what happens
111 * there anyway, so we can spare few CPU cycles:-)
112 */
113static int update256(EVP_MD_CTX *ctx,const void *data,size_t count)
114	{ return SHA256_Update(ctx->md_data,data,count); }
115static int final256(EVP_MD_CTX *ctx,unsigned char *md)
116	{ return SHA256_Final(md,ctx->md_data); }
117
118static const EVP_MD sha224_md=
119	{
120	NID_sha224,
121	NID_sha224WithRSAEncryption,
122	SHA224_DIGEST_LENGTH,
123	0,
124	init224,
125	update256,
126	final256,
127	NULL,
128	NULL,
129	EVP_PKEY_RSA_method,
130	SHA256_CBLOCK,
131	sizeof(EVP_MD *)+sizeof(SHA256_CTX),
132	};
133
134const EVP_MD *EVP_sha224(void)
135	{ return(&sha224_md); }
136
137static const EVP_MD sha256_md=
138	{
139	NID_sha256,
140	NID_sha256WithRSAEncryption,
141	SHA256_DIGEST_LENGTH,
142	0,
143	init256,
144	update256,
145	final256,
146	NULL,
147	NULL,
148	EVP_PKEY_RSA_method,
149	SHA256_CBLOCK,
150	sizeof(EVP_MD *)+sizeof(SHA256_CTX),
151	};
152
153const EVP_MD *EVP_sha256(void)
154	{ return(&sha256_md); }
155#endif	/* ifndef OPENSSL_NO_SHA256 */
156
157#ifndef OPENSSL_NO_SHA512
158static int init384(EVP_MD_CTX *ctx)
159	{ return SHA384_Init(ctx->md_data); }
160static int init512(EVP_MD_CTX *ctx)
161	{ return SHA512_Init(ctx->md_data); }
162/* See comment in SHA224/256 section */
163static int update512(EVP_MD_CTX *ctx,const void *data,size_t count)
164	{ return SHA512_Update(ctx->md_data,data,count); }
165static int final512(EVP_MD_CTX *ctx,unsigned char *md)
166	{ return SHA512_Final(md,ctx->md_data); }
167
168static const EVP_MD sha384_md=
169	{
170	NID_sha384,
171	NID_sha384WithRSAEncryption,
172	SHA384_DIGEST_LENGTH,
173	0,
174	init384,
175	update512,
176	final512,
177	NULL,
178	NULL,
179	EVP_PKEY_RSA_method,
180	SHA512_CBLOCK,
181	sizeof(EVP_MD *)+sizeof(SHA512_CTX),
182	};
183
184const EVP_MD *EVP_sha384(void)
185	{ return(&sha384_md); }
186
187static const EVP_MD sha512_md=
188	{
189	NID_sha512,
190	NID_sha512WithRSAEncryption,
191	SHA512_DIGEST_LENGTH,
192	0,
193	init512,
194	update512,
195	final512,
196	NULL,
197	NULL,
198	EVP_PKEY_RSA_method,
199	SHA512_CBLOCK,
200	sizeof(EVP_MD *)+sizeof(SHA512_CTX),
201	};
202
203const EVP_MD *EVP_sha512(void)
204	{ return(&sha512_md); }
205#endif	/* ifndef OPENSSL_NO_SHA512 */
206
207#endif
208
209#endif
210