1 /* 2 * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved. 3 * 4 * Licensed under the OpenSSL license (the "License"). You may not use 5 * this file except in compliance with the License. You can obtain a copy 6 * in the file LICENSE in the source distribution or at 7 * https://www.openssl.org/source/license.html 8 */ 9 10 #ifndef HEADER_SHA_H 11 # define HEADER_SHA_H 12 13 # include <openssl/e_os2.h> 14 # include <stddef.h> 15 16 #ifdef __cplusplus 17 extern "C" { 18 #endif 19 20 /*- 21 * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 22 * ! SHA_LONG has to be at least 32 bits wide. ! 23 * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 24 */ 25 # define SHA_LONG unsigned int 26 27 # define SHA_LBLOCK 16 28 # define SHA_CBLOCK (SHA_LBLOCK*4)/* SHA treats input data as a 29 * contiguous array of 32 bit wide 30 * big-endian values. */ 31 # define SHA_LAST_BLOCK (SHA_CBLOCK-8) 32 # define SHA_DIGEST_LENGTH 20 33 34 typedef struct SHAstate_st { 35 SHA_LONG h0, h1, h2, h3, h4; 36 SHA_LONG Nl, Nh; 37 SHA_LONG data[SHA_LBLOCK]; 38 unsigned int num; 39 } SHA_CTX; 40 41 int SHA1_Init(SHA_CTX *c); 42 int SHA1_Update(SHA_CTX *c, const void *data, size_t len); 43 int SHA1_Final(unsigned char *md, SHA_CTX *c); 44 unsigned char *SHA1(const unsigned char *d, size_t n, unsigned char *md); 45 void SHA1_Transform(SHA_CTX *c, const unsigned char *data); 46 47 # define SHA256_CBLOCK (SHA_LBLOCK*4)/* SHA-256 treats input data as a 48 * contiguous array of 32 bit wide 49 * big-endian values. */ 50 51 typedef struct SHA256state_st { 52 SHA_LONG h[8]; 53 SHA_LONG Nl, Nh; 54 SHA_LONG data[SHA_LBLOCK]; 55 unsigned int num, md_len; 56 } SHA256_CTX; 57 58 int SHA224_Init(SHA256_CTX *c); 59 int SHA224_Update(SHA256_CTX *c, const void *data, size_t len); 60 int SHA224_Final(unsigned char *md, SHA256_CTX *c); 61 unsigned char *SHA224(const unsigned char *d, size_t n, unsigned char *md); 62 int SHA256_Init(SHA256_CTX *c); 63 int SHA256_Update(SHA256_CTX *c, const void *data, size_t len); 64 int SHA256_Final(unsigned char *md, SHA256_CTX *c); 65 unsigned char *SHA256(const unsigned char *d, size_t n, unsigned char *md); 66 void SHA256_Transform(SHA256_CTX *c, const unsigned char *data); 67 68 # define SHA224_DIGEST_LENGTH 28 69 # define SHA256_DIGEST_LENGTH 32 70 # define SHA384_DIGEST_LENGTH 48 71 # define SHA512_DIGEST_LENGTH 64 72 73 /* 74 * Unlike 32-bit digest algorithms, SHA-512 *relies* on SHA_LONG64 75 * being exactly 64-bit wide. See Implementation Notes in sha512.c 76 * for further details. 77 */ 78 /* 79 * SHA-512 treats input data as a 80 * contiguous array of 64 bit 81 * wide big-endian values. 82 */ 83 # define SHA512_CBLOCK (SHA_LBLOCK*8) 84 # if (defined(_WIN32) || defined(_WIN64)) && !defined(__MINGW32__) 85 # define SHA_LONG64 unsigned __int64 86 # define U64(C) C##UI64 87 # elif defined(__arch64__) 88 # define SHA_LONG64 unsigned long 89 # define U64(C) C##UL 90 # else 91 # define SHA_LONG64 unsigned long long 92 # define U64(C) C##ULL 93 # endif 94 95 typedef struct SHA512state_st { 96 SHA_LONG64 h[8]; 97 SHA_LONG64 Nl, Nh; 98 union { 99 SHA_LONG64 d[SHA_LBLOCK]; 100 unsigned char p[SHA512_CBLOCK]; 101 } u; 102 unsigned int num, md_len; 103 } SHA512_CTX; 104 105 int SHA384_Init(SHA512_CTX *c); 106 int SHA384_Update(SHA512_CTX *c, const void *data, size_t len); 107 int SHA384_Final(unsigned char *md, SHA512_CTX *c); 108 unsigned char *SHA384(const unsigned char *d, size_t n, unsigned char *md); 109 int SHA512_Init(SHA512_CTX *c); 110 int SHA512_Update(SHA512_CTX *c, const void *data, size_t len); 111 int SHA512_Final(unsigned char *md, SHA512_CTX *c); 112 unsigned char *SHA512(const unsigned char *d, size_t n, unsigned char *md); 113 void SHA512_Transform(SHA512_CTX *c, const unsigned char *data); 114 115 #ifdef __cplusplus 116 } 117 #endif 118 119 #endif 120