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 73 static int init(EVP_MD_CTX *ctx) 74 { return SHA1_Init(ctx->md_data); } 75 76 static int update(EVP_MD_CTX *ctx,const void *data,size_t count) 77 { return SHA1_Update(ctx->md_data,data,count); } 78 79 static int final(EVP_MD_CTX *ctx,unsigned char *md) 80 { return SHA1_Final(md,ctx->md_data); } 81 82 static 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 98 const EVP_MD *EVP_sha1(void) 99 { 100 return(&sha1_md); 101 } 102 103 #ifndef OPENSSL_NO_SHA256 104 static int init224(EVP_MD_CTX *ctx) 105 { return SHA224_Init(ctx->md_data); } 106 static 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 */ 113 static int update256(EVP_MD_CTX *ctx,const void *data,size_t count) 114 { return SHA256_Update(ctx->md_data,data,count); } 115 static int final256(EVP_MD_CTX *ctx,unsigned char *md) 116 { return SHA256_Final(md,ctx->md_data); } 117 118 static 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 }; 133 134 const EVP_MD *EVP_sha224(void) 135 { return(&sha224_md); } 136 137 static 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 }; 152 153 const EVP_MD *EVP_sha256(void) 154 { return(&sha256_md); } 155 #endif /* ifndef OPENSSL_NO_SHA256 */ 156 157 #ifndef OPENSSL_NO_SHA512 158 static int init384(EVP_MD_CTX *ctx) 159 { return SHA384_Init(ctx->md_data); } 160 static int init512(EVP_MD_CTX *ctx) 161 { return SHA512_Init(ctx->md_data); } 162 /* See comment in SHA224/256 section */ 163 static int update512(EVP_MD_CTX *ctx,const void *data,size_t count) 164 { return SHA512_Update(ctx->md_data,data,count); } 165 static int final512(EVP_MD_CTX *ctx,unsigned char *md) 166 { return SHA512_Final(md,ctx->md_data); } 167 168 static 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 }; 183 184 const EVP_MD *EVP_sha384(void) 185 { return(&sha384_md); } 186 187 static 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 }; 202 203 const EVP_MD *EVP_sha512(void) 204 { return(&sha512_md); } 205 #endif /* ifndef OPENSSL_NO_SHA512 */ 206 207 #endif 208 209 #endif 210