1 /* $OpenBSD: m_sha1.c,v 1.17 2014/07/11 08:44:48 jsing Exp $ */ 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 61 #include <openssl/opensslconf.h> 62 63 #ifndef OPENSSL_NO_SHA 64 65 #include <openssl/evp.h> 66 #include <openssl/objects.h> 67 #include <openssl/sha.h> 68 69 #ifndef OPENSSL_NO_RSA 70 #include <openssl/rsa.h> 71 #endif 72 73 static int 74 init(EVP_MD_CTX *ctx) 75 { 76 return SHA1_Init(ctx->md_data); 77 } 78 79 static int 80 update(EVP_MD_CTX *ctx, const void *data, size_t count) 81 { 82 return SHA1_Update(ctx->md_data, data, count); 83 } 84 85 static int 86 final(EVP_MD_CTX *ctx, unsigned char *md) 87 { 88 return SHA1_Final(md, ctx->md_data); 89 } 90 91 static const EVP_MD sha1_md = { 92 .type = NID_sha1, 93 .pkey_type = NID_sha1WithRSAEncryption, 94 .md_size = SHA_DIGEST_LENGTH, 95 .flags = EVP_MD_FLAG_PKEY_METHOD_SIGNATURE|EVP_MD_FLAG_DIGALGID_ABSENT, 96 .init = init, 97 .update = update, 98 .final = final, 99 .copy = NULL, 100 .cleanup = NULL, 101 #ifndef OPENSSL_NO_RSA 102 .sign = (evp_sign_method *)RSA_sign, 103 .verify = (evp_verify_method *)RSA_verify, 104 .required_pkey_type = { 105 EVP_PKEY_RSA, EVP_PKEY_RSA2, 0, 0, 106 }, 107 #endif 108 .block_size = SHA_CBLOCK, 109 .ctx_size = sizeof(EVP_MD *) + sizeof(SHA_CTX), 110 }; 111 112 const EVP_MD * 113 EVP_sha1(void) 114 { 115 return (&sha1_md); 116 } 117 #endif 118 119 #ifndef OPENSSL_NO_SHA256 120 static int 121 init224(EVP_MD_CTX *ctx) 122 { 123 return SHA224_Init(ctx->md_data); 124 } 125 126 static int 127 init256(EVP_MD_CTX *ctx) 128 { 129 return SHA256_Init(ctx->md_data); 130 } 131 /* 132 * Even though there're separate SHA224_[Update|Final], we call 133 * SHA256 functions even in SHA224 context. This is what happens 134 * there anyway, so we can spare few CPU cycles:-) 135 */ 136 static int 137 update256(EVP_MD_CTX *ctx, const void *data, size_t count) 138 { 139 return SHA256_Update(ctx->md_data, data, count); 140 } 141 142 static int 143 final256(EVP_MD_CTX *ctx, unsigned char *md) 144 { 145 return SHA256_Final(md, ctx->md_data); 146 } 147 148 static const EVP_MD sha224_md = { 149 .type = NID_sha224, 150 .pkey_type = NID_sha224WithRSAEncryption, 151 .md_size = SHA224_DIGEST_LENGTH, 152 .flags = EVP_MD_FLAG_PKEY_METHOD_SIGNATURE|EVP_MD_FLAG_DIGALGID_ABSENT, 153 .init = init224, 154 .update = update256, 155 .final = final256, 156 .copy = NULL, 157 .cleanup = NULL, 158 #ifndef OPENSSL_NO_RSA 159 .sign = (evp_sign_method *)RSA_sign, 160 .verify = (evp_verify_method *)RSA_verify, 161 .required_pkey_type = { 162 EVP_PKEY_RSA, EVP_PKEY_RSA2, 0, 0, 163 }, 164 #endif 165 .block_size = SHA256_CBLOCK, 166 .ctx_size = sizeof(EVP_MD *) + sizeof(SHA256_CTX), 167 }; 168 169 const EVP_MD * 170 EVP_sha224(void) 171 { 172 return (&sha224_md); 173 } 174 175 static const EVP_MD sha256_md = { 176 .type = NID_sha256, 177 .pkey_type = NID_sha256WithRSAEncryption, 178 .md_size = SHA256_DIGEST_LENGTH, 179 .flags = EVP_MD_FLAG_PKEY_METHOD_SIGNATURE|EVP_MD_FLAG_DIGALGID_ABSENT, 180 .init = init256, 181 .update = update256, 182 .final = final256, 183 .copy = NULL, 184 .cleanup = NULL, 185 #ifndef OPENSSL_NO_RSA 186 .sign = (evp_sign_method *)RSA_sign, 187 .verify = (evp_verify_method *)RSA_verify, 188 .required_pkey_type = { 189 EVP_PKEY_RSA, EVP_PKEY_RSA2, 0, 0, 190 }, 191 #endif 192 .block_size = SHA256_CBLOCK, 193 .ctx_size = sizeof(EVP_MD *) + sizeof(SHA256_CTX), 194 }; 195 196 const EVP_MD * 197 EVP_sha256(void) 198 { 199 return (&sha256_md); 200 } 201 #endif /* ifndef OPENSSL_NO_SHA256 */ 202 203 #ifndef OPENSSL_NO_SHA512 204 static int 205 init384(EVP_MD_CTX *ctx) 206 { 207 return SHA384_Init(ctx->md_data); 208 } 209 210 static int 211 init512(EVP_MD_CTX *ctx) 212 { 213 return SHA512_Init(ctx->md_data); 214 } 215 /* See comment in SHA224/256 section */ 216 static int 217 update512(EVP_MD_CTX *ctx, const void *data, size_t count) 218 { 219 return SHA512_Update(ctx->md_data, data, count); 220 } 221 222 static int 223 final512(EVP_MD_CTX *ctx, unsigned char *md) 224 { 225 return SHA512_Final(md, ctx->md_data); 226 } 227 228 static const EVP_MD sha384_md = { 229 .type = NID_sha384, 230 .pkey_type = NID_sha384WithRSAEncryption, 231 .md_size = SHA384_DIGEST_LENGTH, 232 .flags = EVP_MD_FLAG_PKEY_METHOD_SIGNATURE|EVP_MD_FLAG_DIGALGID_ABSENT, 233 .init = init384, 234 .update = update512, 235 .final = final512, 236 .copy = NULL, 237 .cleanup = NULL, 238 #ifndef OPENSSL_NO_RSA 239 .sign = (evp_sign_method *)RSA_sign, 240 .verify = (evp_verify_method *)RSA_verify, 241 .required_pkey_type = { 242 EVP_PKEY_RSA, EVP_PKEY_RSA2, 0, 0, 243 }, 244 #endif 245 .block_size = SHA512_CBLOCK, 246 .ctx_size = sizeof(EVP_MD *) + sizeof(SHA512_CTX), 247 }; 248 249 const EVP_MD * 250 EVP_sha384(void) 251 { 252 return (&sha384_md); 253 } 254 255 static const EVP_MD sha512_md = { 256 .type = NID_sha512, 257 .pkey_type = NID_sha512WithRSAEncryption, 258 .md_size = SHA512_DIGEST_LENGTH, 259 .flags = EVP_MD_FLAG_PKEY_METHOD_SIGNATURE|EVP_MD_FLAG_DIGALGID_ABSENT, 260 .init = init512, 261 .update = update512, 262 .final = final512, 263 .copy = NULL, 264 .cleanup = NULL, 265 #ifndef OPENSSL_NO_RSA 266 .sign = (evp_sign_method *)RSA_sign, 267 .verify = (evp_verify_method *)RSA_verify, 268 .required_pkey_type = { 269 EVP_PKEY_RSA, EVP_PKEY_RSA2, 0, 0, 270 }, 271 #endif 272 .block_size = SHA512_CBLOCK, 273 .ctx_size = sizeof(EVP_MD *) + sizeof(SHA512_CTX), 274 }; 275 276 const EVP_MD * 277 EVP_sha512(void) 278 { 279 return (&sha512_md); 280 } 281 #endif /* ifndef OPENSSL_NO_SHA512 */ 282