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      1 /* crypto/evp/m_sha1.c */
      2 /* Copyright (C) 1995-1998 Eric Young (eay (at) cryptsoft.com)
      3  * All rights reserved.
      4  *
      5  * This package is an SSL implementation written
      6  * by Eric Young (eay (at) 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 (at) 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 (at) 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 (at) 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
    210