sha.h revision 296465
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 wide 96 * big-endian values. */ 97# define SHA_LAST_BLOCK (SHA_CBLOCK-8) 98# define SHA_DIGEST_LENGTH 20 99 100typedef struct SHAstate_st { 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# ifdef OPENSSL_FIPS 109int private_SHA_Init(SHA_CTX *c); 110# endif 111int SHA_Init(SHA_CTX *c); 112int SHA_Update(SHA_CTX *c, const void *data, size_t len); 113int SHA_Final(unsigned char *md, SHA_CTX *c); 114unsigned char *SHA(const unsigned char *d, size_t n, unsigned char *md); 115void SHA_Transform(SHA_CTX *c, const unsigned char *data); 116# endif 117# ifndef OPENSSL_NO_SHA1 118int SHA1_Init(SHA_CTX *c); 119int SHA1_Update(SHA_CTX *c, const void *data, size_t len); 120int SHA1_Final(unsigned char *md, SHA_CTX *c); 121unsigned char *SHA1(const unsigned char *d, size_t n, unsigned char *md); 122void SHA1_Transform(SHA_CTX *c, const unsigned char *data); 123# endif 124 125# define SHA256_CBLOCK (SHA_LBLOCK*4)/* SHA-256 treats input data as a 126 * contiguous array of 32 bit wide 127 * big-endian values. */ 128# define SHA224_DIGEST_LENGTH 28 129# define SHA256_DIGEST_LENGTH 32 130 131typedef struct SHA256state_st { 132 SHA_LONG h[8]; 133 SHA_LONG Nl, Nh; 134 SHA_LONG data[SHA_LBLOCK]; 135 unsigned int num, md_len; 136} SHA256_CTX; 137 138# ifndef OPENSSL_NO_SHA256 139int SHA224_Init(SHA256_CTX *c); 140int SHA224_Update(SHA256_CTX *c, const void *data, size_t len); 141int SHA224_Final(unsigned char *md, SHA256_CTX *c); 142unsigned char *SHA224(const unsigned char *d, size_t n, unsigned char *md); 143int SHA256_Init(SHA256_CTX *c); 144int SHA256_Update(SHA256_CTX *c, const void *data, size_t len); 145int SHA256_Final(unsigned char *md, SHA256_CTX *c); 146unsigned char *SHA256(const unsigned char *d, size_t n, unsigned char *md); 147void SHA256_Transform(SHA256_CTX *c, const unsigned char *data); 148# endif 149 150# define SHA384_DIGEST_LENGTH 48 151# define SHA512_DIGEST_LENGTH 64 152 153# ifndef OPENSSL_NO_SHA512 154/* 155 * Unlike 32-bit digest algorithms, SHA-512 *relies* on SHA_LONG64 156 * being exactly 64-bit wide. See Implementation Notes in sha512.c 157 * for further details. 158 */ 159/* 160 * SHA-512 treats input data as a 161 * contiguous array of 64 bit 162 * wide big-endian values. 163 */ 164# define SHA512_CBLOCK (SHA_LBLOCK*8) 165# if (defined(_WIN32) || defined(_WIN64)) && !defined(__MINGW32__) 166# define SHA_LONG64 unsigned __int64 167# define U64(C) C##UI64 168# elif defined(__arch64__) 169# define SHA_LONG64 unsigned long 170# define U64(C) C##UL 171# else 172# define SHA_LONG64 unsigned long long 173# define U64(C) C##ULL 174# endif 175 176typedef struct SHA512state_st { 177 SHA_LONG64 h[8]; 178 SHA_LONG64 Nl, Nh; 179 union { 180 SHA_LONG64 d[SHA_LBLOCK]; 181 unsigned char p[SHA512_CBLOCK]; 182 } u; 183 unsigned int num, md_len; 184} SHA512_CTX; 185# endif 186 187# ifndef OPENSSL_NO_SHA512 188int SHA384_Init(SHA512_CTX *c); 189int SHA384_Update(SHA512_CTX *c, const void *data, size_t len); 190int SHA384_Final(unsigned char *md, SHA512_CTX *c); 191unsigned char *SHA384(const unsigned char *d, size_t n, unsigned char *md); 192int SHA512_Init(SHA512_CTX *c); 193int SHA512_Update(SHA512_CTX *c, const void *data, size_t len); 194int SHA512_Final(unsigned char *md, SHA512_CTX *c); 195unsigned char *SHA512(const unsigned char *d, size_t n, unsigned char *md); 196void SHA512_Transform(SHA512_CTX *c, const unsigned char *data); 197# endif 198 199#ifdef __cplusplus 200} 201#endif 202 203#endif 204