1 /* crypto/sha/sha.h */ 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 #ifndef HEADER_SHA_H 60 #define HEADER_SHA_H 61 62 #include <stddef.h> 63 64 #ifdef __cplusplus 65 extern "C" { 66 #endif 67 68 #if defined(OPENSSL_NO_SHA) || (defined(OPENSSL_NO_SHA0) && defined(OPENSSL_NO_SHA1)) 69 #error SHA is disabled. 70 #endif 71 72 #if defined(OPENSSL_FIPS) 73 #define FIPS_SHA_SIZE_T size_t 74 #endif 75 76 /* 77 * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 78 * ! SHA_LONG has to be at least 32 bits wide. If it's wider, then ! 79 * ! SHA_LONG_LOG2 has to be defined along. ! 80 * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 81 */ 82 83 #if defined(__LP32__) 84 #define SHA_LONG unsigned long 85 #elif defined(OPENSSL_SYS_CRAY) || defined(__ILP64__) 86 #define SHA_LONG unsigned long 87 #define SHA_LONG_LOG2 3 88 #else 89 #define SHA_LONG unsigned int 90 #endif 91 92 #define SHA_LBLOCK 16 93 #define SHA_CBLOCK (SHA_LBLOCK*4) /* SHA treats input data as a 94 * contiguous array of 32 bit 95 * wide big-endian values. */ 96 #define SHA_LAST_BLOCK (SHA_CBLOCK-8) 97 #define SHA_DIGEST_LENGTH 20 98 99 typedef struct SHAstate_st 100 { 101 SHA_LONG h0,h1,h2,h3,h4; 102 SHA_LONG Nl,Nh; 103 SHA_LONG data[SHA_LBLOCK]; 104 unsigned int num; 105 } SHA_CTX; 106 107 #ifndef OPENSSL_NO_SHA0 108 int SHA_Init(SHA_CTX *c); 109 int SHA_Update(SHA_CTX *c, const void *data, size_t len); 110 int SHA_Final(unsigned char *md, SHA_CTX *c); 111 unsigned char *SHA(const unsigned char *d, size_t n, unsigned char *md); 112 void SHA_Transform(SHA_CTX *c, const unsigned char *data); 113 #endif 114 #ifndef OPENSSL_NO_SHA1 115 int SHA1_Init(SHA_CTX *c); 116 int SHA1_Update(SHA_CTX *c, const void *data, size_t len); 117 int SHA1_Final(unsigned char *md, SHA_CTX *c); 118 unsigned char *SHA1(const unsigned char *d, size_t n, unsigned char *md); 119 void SHA1_Transform(SHA_CTX *c, const unsigned char *data); 120 #endif 121 122 #define SHA256_CBLOCK (SHA_LBLOCK*4) /* SHA-256 treats input data as a 123 * contiguous array of 32 bit 124 * wide big-endian values. */ 125 #define SHA224_DIGEST_LENGTH 28 126 #define SHA256_DIGEST_LENGTH 32 127 128 typedef struct SHA256state_st 129 { 130 SHA_LONG h[8]; 131 SHA_LONG Nl,Nh; 132 SHA_LONG data[SHA_LBLOCK]; 133 unsigned int num,md_len; 134 } SHA256_CTX; 135 136 #ifndef OPENSSL_NO_SHA256 137 int SHA224_Init(SHA256_CTX *c); 138 int SHA224_Update(SHA256_CTX *c, const void *data, size_t len); 139 int SHA224_Final(unsigned char *md, SHA256_CTX *c); 140 unsigned char *SHA224(const unsigned char *d, size_t n,unsigned char *md); 141 int SHA256_Init(SHA256_CTX *c); 142 int SHA256_Update(SHA256_CTX *c, const void *data, size_t len); 143 int SHA256_Final(unsigned char *md, SHA256_CTX *c); 144 unsigned char *SHA256(const unsigned char *d, size_t n,unsigned char *md); 145 void SHA256_Transform(SHA256_CTX *c, const unsigned char *data); 146 #endif 147 148 #define SHA384_DIGEST_LENGTH 48 149 #define SHA512_DIGEST_LENGTH 64 150 151 #ifndef OPENSSL_NO_SHA512 152 /* 153 * Unlike 32-bit digest algorithms, SHA-512 *relies* on SHA_LONG64 154 * being exactly 64-bit wide. See Implementation Notes in sha512.c 155 * for further details. 156 */ 157 #define SHA512_CBLOCK (SHA_LBLOCK*8) /* SHA-512 treats input data as a 158 * contiguous array of 64 bit 159 * wide big-endian values. */ 160 #if (defined(_WIN32) || defined(_WIN64)) && !defined(__MINGW32__) 161 #define SHA_LONG64 unsigned __int64 162 #define U64(C) C##UI64 163 #elif defined(__arch64__) 164 #define SHA_LONG64 unsigned long 165 #define U64(C) C##UL 166 #else 167 #define SHA_LONG64 unsigned long long 168 #define U64(C) C##ULL 169 #endif 170 171 typedef struct SHA512state_st 172 { 173 SHA_LONG64 h[8]; 174 SHA_LONG64 Nl,Nh; 175 union { 176 SHA_LONG64 d[SHA_LBLOCK]; 177 unsigned char p[SHA512_CBLOCK]; 178 } u; 179 unsigned int num,md_len; 180 } SHA512_CTX; 181 #endif 182 183 #ifndef OPENSSL_NO_SHA512 184 int SHA384_Init(SHA512_CTX *c); 185 int SHA384_Update(SHA512_CTX *c, const void *data, size_t len); 186 int SHA384_Final(unsigned char *md, SHA512_CTX *c); 187 unsigned char *SHA384(const unsigned char *d, size_t n,unsigned char *md); 188 int SHA512_Init(SHA512_CTX *c); 189 int SHA512_Update(SHA512_CTX *c, const void *data, size_t len); 190 int SHA512_Final(unsigned char *md, SHA512_CTX *c); 191 unsigned char *SHA512(const unsigned char *d, size_t n,unsigned char *md); 192 void SHA512_Transform(SHA512_CTX *c, const unsigned char *data); 193 #endif 194 195 #ifdef __cplusplus 196 } 197 #endif 198 199 #endif 200