sha.h revision 656d9c7f52f88b3a3daccafa7655dec086c4756e
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 <openssl/e_os2.h> 63#include <stddef.h> 64 65#ifdef __cplusplus 66extern "C" { 67#endif 68 69#if defined(OPENSSL_NO_SHA) || (defined(OPENSSL_NO_SHA0) && defined(OPENSSL_NO_SHA1)) 70#error SHA is disabled. 71#endif 72 73#if defined(OPENSSL_FIPS) 74#define FIPS_SHA_SIZE_T size_t 75#endif 76 77/* 78 * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 79 * ! SHA_LONG has to be at least 32 bits wide. If it's wider, then ! 80 * ! SHA_LONG_LOG2 has to be defined along. ! 81 * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 82 */ 83 84#if defined(OPENSSL_SYS_WIN16) || defined(__LP32__) 85#define SHA_LONG unsigned long 86#elif defined(OPENSSL_SYS_CRAY) || defined(__ILP64__) 87#define SHA_LONG unsigned long 88#define SHA_LONG_LOG2 3 89#else 90#define SHA_LONG unsigned int 91#endif 92 93#define SHA_LBLOCK 16 94#define SHA_CBLOCK (SHA_LBLOCK*4) /* SHA treats input data as a 95 * contiguous array of 32 bit 96 * wide big-endian values. */ 97#define SHA_LAST_BLOCK (SHA_CBLOCK-8) 98#define SHA_DIGEST_LENGTH 20 99 100typedef struct SHAstate_st 101 { 102 SHA_LONG h0,h1,h2,h3,h4; 103 SHA_LONG Nl,Nh; 104 SHA_LONG data[SHA_LBLOCK]; 105 unsigned int num; 106 } SHA_CTX; 107 108#ifndef OPENSSL_NO_SHA0 109int SHA_Init(SHA_CTX *c); 110int SHA_Update(SHA_CTX *c, const void *data, size_t len); 111int SHA_Final(unsigned char *md, SHA_CTX *c); 112unsigned char *SHA(const unsigned char *d, size_t n, unsigned char *md); 113void SHA_Transform(SHA_CTX *c, const unsigned char *data); 114#endif 115#ifndef OPENSSL_NO_SHA1 116int SHA1_Init(SHA_CTX *c); 117int SHA1_Update(SHA_CTX *c, const void *data, size_t len); 118int SHA1_Final(unsigned char *md, SHA_CTX *c); 119unsigned char *SHA1(const unsigned char *d, size_t n, unsigned char *md); 120void SHA1_Transform(SHA_CTX *c, const unsigned char *data); 121#endif 122 123#define SHA256_CBLOCK (SHA_LBLOCK*4) /* SHA-256 treats input data as a 124 * contiguous array of 32 bit 125 * wide big-endian values. */ 126#define SHA224_DIGEST_LENGTH 28 127#define SHA256_DIGEST_LENGTH 32 128 129typedef struct SHA256state_st 130 { 131 SHA_LONG h[8]; 132 SHA_LONG Nl,Nh; 133 SHA_LONG data[SHA_LBLOCK]; 134 unsigned int num,md_len; 135 } SHA256_CTX; 136 137#ifndef OPENSSL_NO_SHA256 138int SHA224_Init(SHA256_CTX *c); 139int SHA224_Update(SHA256_CTX *c, const void *data, size_t len); 140int SHA224_Final(unsigned char *md, SHA256_CTX *c); 141unsigned char *SHA224(const unsigned char *d, size_t n,unsigned char *md); 142int SHA256_Init(SHA256_CTX *c); 143int SHA256_Update(SHA256_CTX *c, const void *data, size_t len); 144int SHA256_Final(unsigned char *md, SHA256_CTX *c); 145unsigned char *SHA256(const unsigned char *d, size_t n,unsigned char *md); 146void SHA256_Transform(SHA256_CTX *c, const unsigned char *data); 147#endif 148 149#define SHA384_DIGEST_LENGTH 48 150#define SHA512_DIGEST_LENGTH 64 151 152#ifndef OPENSSL_NO_SHA512 153/* 154 * Unlike 32-bit digest algorithms, SHA-512 *relies* on SHA_LONG64 155 * being exactly 64-bit wide. See Implementation Notes in sha512.c 156 * for further details. 157 */ 158#define SHA512_CBLOCK (SHA_LBLOCK*8) /* SHA-512 treats input data as a 159 * contiguous array of 64 bit 160 * wide big-endian values. */ 161#if (defined(_WIN32) || defined(_WIN64)) && !defined(__MINGW32__) 162#define SHA_LONG64 unsigned __int64 163#define U64(C) C##UI64 164#elif defined(__arch64__) 165#define SHA_LONG64 unsigned long 166#define U64(C) C##UL 167#else 168#define SHA_LONG64 unsigned long long 169#define U64(C) C##ULL 170#endif 171 172typedef struct SHA512state_st 173 { 174 SHA_LONG64 h[8]; 175 SHA_LONG64 Nl,Nh; 176 union { 177 SHA_LONG64 d[SHA_LBLOCK]; 178 unsigned char p[SHA512_CBLOCK]; 179 } u; 180 unsigned int num,md_len; 181 } SHA512_CTX; 182#endif 183 184#ifndef OPENSSL_NO_SHA512 185int SHA384_Init(SHA512_CTX *c); 186int SHA384_Update(SHA512_CTX *c, const void *data, size_t len); 187int SHA384_Final(unsigned char *md, SHA512_CTX *c); 188unsigned char *SHA384(const unsigned char *d, size_t n,unsigned char *md); 189int SHA512_Init(SHA512_CTX *c); 190int SHA512_Update(SHA512_CTX *c, const void *data, size_t len); 191int SHA512_Final(unsigned char *md, SHA512_CTX *c); 192unsigned char *SHA512(const unsigned char *d, size_t n,unsigned char *md); 193void SHA512_Transform(SHA512_CTX *c, const unsigned char *data); 194#endif 195 196#ifdef __cplusplus 197} 198#endif 199 200#endif 201