release/src/router/openssl/crypto/evp/m_sha1.c

   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
  73
  74 static int init(EVP_MD_CTX *ctx)
  75         { return SHA1_Init(ctx->md_data); }
  76
  77 static int update(EVP_MD_CTX *ctx,const void *data,size_t count)
  78         { return SHA1_Update(ctx->md_data,data,count); }
  79
  80 static int final(EVP_MD_CTX *ctx,unsigned char *md)
  81         { return SHA1_Final(md,ctx->md_data); }
  82
  83 static const EVP_MD sha1_md=
  84         {
  85         NID_sha1,
  86         NID_sha1WithRSAEncryption,
  87         SHA_DIGEST_LENGTH,
  88         EVP_MD_FLAG_PKEY_METHOD_SIGNATURE|EVP_MD_FLAG_DIGALGID_ABSENT,
  89         init,
  90         update,
  91         final,
  92         NULL,
  93         NULL,
  94         EVP_PKEY_RSA_method,
  95         SHA_CBLOCK,
  96         sizeof(EVP_MD *)+sizeof(SHA_CTX),
  97         };
  98
  99 const EVP_MD *EVP_sha1(void)
 100         {
 101         return(&sha1_md);
 102         }
 103 #endif
 104
 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); }
 110 /*
 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:-)
 114  */
 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); }
 119
 120 static const EVP_MD sha224_md=
 121         {
 122         NID_sha224,
 123         NID_sha224WithRSAEncryption,
 124         SHA224_DIGEST_LENGTH,
 125         EVP_MD_FLAG_PKEY_METHOD_SIGNATURE|EVP_MD_FLAG_DIGALGID_ABSENT,
 126         init224,
 127         update256,
 128         final256,
 129         NULL,
 130         NULL,
 131         EVP_PKEY_RSA_method,
 132         SHA256_CBLOCK,
 133         sizeof(EVP_MD *)+sizeof(SHA256_CTX),
 134         };
 135
 136 const EVP_MD *EVP_sha224(void)
 137         { return(&sha224_md); }
 138
 139 static const EVP_MD sha256_md=
 140         {
 141         NID_sha256,
 142         NID_sha256WithRSAEncryption,
 143         SHA256_DIGEST_LENGTH,
 144         EVP_MD_FLAG_PKEY_METHOD_SIGNATURE|EVP_MD_FLAG_DIGALGID_ABSENT,
 145         init256,
 146         update256,
 147         final256,
 148         NULL,
 149         NULL,
 150         EVP_PKEY_RSA_method,
 151         SHA256_CBLOCK,
 152         sizeof(EVP_MD *)+sizeof(SHA256_CTX),
 153         };
 154
 155 const EVP_MD *EVP_sha256(void)
 156         { return(&sha256_md); }
 157 #endif  /* ifndef OPENSSL_NO_SHA256 */
 158
 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); }
 169
 170 static const EVP_MD sha384_md=
 171         {
 172         NID_sha384,
 173         NID_sha384WithRSAEncryption,
 174         SHA384_DIGEST_LENGTH,
 175         EVP_MD_FLAG_PKEY_METHOD_SIGNATURE|EVP_MD_FLAG_DIGALGID_ABSENT,
 176         init384,
 177         update512,
 178         final512,
 179         NULL,
 180         NULL,
 181         EVP_PKEY_RSA_method,
 182         SHA512_CBLOCK,
 183         sizeof(EVP_MD *)+sizeof(SHA512_CTX),
 184         };
 185
 186 const EVP_MD *EVP_sha384(void)
 187         { return(&sha384_md); }
 188
 189 static const EVP_MD sha512_md=
 190         {
 191         NID_sha512,
 192         NID_sha512WithRSAEncryption,
 193         SHA512_DIGEST_LENGTH,
 194         EVP_MD_FLAG_PKEY_METHOD_SIGNATURE|EVP_MD_FLAG_DIGALGID_ABSENT,
 195         init512,
 196         update512,
 197         final512,
 198         NULL,
 199         NULL,
 200         EVP_PKEY_RSA_method,
 201         SHA512_CBLOCK,
 202         sizeof(EVP_MD *)+sizeof(SHA512_CTX),
 203         };
 204
 205 const EVP_MD *EVP_sha512(void)
 206         { return(&sha512_md); }
 207 #endif  /* ifndef OPENSSL_NO_SHA512 */
 208
 209 #endif