1 /* crypto/evp/m_sha1.c */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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.
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).
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.
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
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)"
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
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.]
64 #ifndef OPENSSL_NO_SHA
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>
74 static int init(EVP_MD_CTX *ctx)
75 { return SHA1_Init(ctx->md_data); }
77 static int update(EVP_MD_CTX *ctx,const void *data,size_t count)
78 { return SHA1_Update(ctx->md_data,data,count); }
80 static int final(EVP_MD_CTX *ctx,unsigned char *md)
81 { return SHA1_Final(md,ctx->md_data); }
83 static const EVP_MD sha1_md=
86 NID_sha1WithRSAEncryption,
88 EVP_MD_FLAG_PKEY_METHOD_SIGNATURE|EVP_MD_FLAG_DIGALGID_ABSENT,
96 sizeof(EVP_MD *)+sizeof(SHA_CTX),
99 const EVP_MD *EVP_sha1(void)
105 #ifndef OPENSSL_NO_SHA256
106 static int init224(EVP_MD_CTX *ctx)
107 { return SHA224_Init(ctx->md_data); }
108 static int init256(EVP_MD_CTX *ctx)
109 { return SHA256_Init(ctx->md_data); }
111 * Even though there're separate SHA224_[Update|Final], we call
112 * SHA256 functions even in SHA224 context. This is what happens
113 * there anyway, so we can spare few CPU cycles:-)
115 static int update256(EVP_MD_CTX *ctx,const void *data,size_t count)
116 { return SHA256_Update(ctx->md_data,data,count); }
117 static int final256(EVP_MD_CTX *ctx,unsigned char *md)
118 { return SHA256_Final(md,ctx->md_data); }
120 static const EVP_MD sha224_md=
123 NID_sha224WithRSAEncryption,
124 SHA224_DIGEST_LENGTH,
125 EVP_MD_FLAG_PKEY_METHOD_SIGNATURE|EVP_MD_FLAG_DIGALGID_ABSENT,
133 sizeof(EVP_MD *)+sizeof(SHA256_CTX),
136 const EVP_MD *EVP_sha224(void)
137 { return(&sha224_md); }
139 static const EVP_MD sha256_md=
142 NID_sha256WithRSAEncryption,
143 SHA256_DIGEST_LENGTH,
144 EVP_MD_FLAG_PKEY_METHOD_SIGNATURE|EVP_MD_FLAG_DIGALGID_ABSENT,
152 sizeof(EVP_MD *)+sizeof(SHA256_CTX),
155 const EVP_MD *EVP_sha256(void)
156 { return(&sha256_md); }
157 #endif /* ifndef OPENSSL_NO_SHA256 */
159 #ifndef OPENSSL_NO_SHA512
160 static int init384(EVP_MD_CTX *ctx)
161 { return SHA384_Init(ctx->md_data); }
162 static int init512(EVP_MD_CTX *ctx)
163 { return SHA512_Init(ctx->md_data); }
164 /* See comment in SHA224/256 section */
165 static int update512(EVP_MD_CTX *ctx,const void *data,size_t count)
166 { return SHA512_Update(ctx->md_data,data,count); }
167 static int final512(EVP_MD_CTX *ctx,unsigned char *md)
168 { return SHA512_Final(md,ctx->md_data); }
170 static const EVP_MD sha384_md=
173 NID_sha384WithRSAEncryption,
174 SHA384_DIGEST_LENGTH,
175 EVP_MD_FLAG_PKEY_METHOD_SIGNATURE|EVP_MD_FLAG_DIGALGID_ABSENT,
183 sizeof(EVP_MD *)+sizeof(SHA512_CTX),
186 const EVP_MD *EVP_sha384(void)
187 { return(&sha384_md); }
189 static const EVP_MD sha512_md=
192 NID_sha512WithRSAEncryption,
193 SHA512_DIGEST_LENGTH,
194 EVP_MD_FLAG_PKEY_METHOD_SIGNATURE|EVP_MD_FLAG_DIGALGID_ABSENT,
202 sizeof(EVP_MD *)+sizeof(SHA512_CTX),
205 const EVP_MD *EVP_sha512(void)
206 { return(&sha512_md); }
207 #endif /* ifndef OPENSSL_NO_SHA512 */