1 /* 2 * Copyright 1995-2021 The OpenSSL Project Authors. All Rights Reserved. 3 * 4 * Licensed under the Apache License 2.0 (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 OPENSSL_SHA_H 11 # define OPENSSL_SHA_H 12 # pragma once 13 14 # include <openssl/macros.h> 15 # ifndef OPENSSL_NO_DEPRECATED_3_0 16 # define HEADER_SHA_H 17 # endif 18 19 #ifdef USE_LIBC_SHA2 20 # include <sha2.h> 21 #endif 22 23 # include <openssl/e_os2.h> 24 # include <stddef.h> 25 26 # ifdef __cplusplus 27 extern "C" { 28 # endif 29 30 # define SHA_DIGEST_LENGTH 20 31 32 # ifndef OPENSSL_NO_DEPRECATED_3_0 33 /*- 34 * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 35 * ! SHA_LONG has to be at least 32 bits wide. ! 36 * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 37 */ 38 # define SHA_LONG unsigned int 39 40 # define SHA_LBLOCK 16 41 # define SHA_CBLOCK (SHA_LBLOCK*4)/* SHA treats input data as a 42 * contiguous array of 32 bit wide 43 * big-endian values. */ 44 # define SHA_LAST_BLOCK (SHA_CBLOCK-8) 45 46 typedef struct SHAstate_st { 47 SHA_LONG h0, h1, h2, h3, h4; 48 SHA_LONG Nl, Nh; 49 SHA_LONG data[SHA_LBLOCK]; 50 unsigned int num; 51 } SHA_CTX; 52 53 OSSL_DEPRECATEDIN_3_0 int SHA1_Init(SHA_CTX *c); 54 OSSL_DEPRECATEDIN_3_0 int SHA1_Update(SHA_CTX *c, const void *data, size_t len); 55 OSSL_DEPRECATEDIN_3_0 int SHA1_Final(unsigned char *md, SHA_CTX *c); 56 OSSL_DEPRECATEDIN_3_0 void SHA1_Transform(SHA_CTX *c, const unsigned char *data); 57 # endif 58 59 unsigned char *SHA1(const unsigned char *d, size_t n, unsigned char *md); 60 61 # ifndef OPENSSL_NO_DEPRECATED_3_0 62 # define SHA256_CBLOCK (SHA_LBLOCK*4)/* SHA-256 treats input data as a 63 * contiguous array of 32 bit wide 64 * big-endian values. */ 65 66 typedef struct SHA256state_st { 67 SHA_LONG h[8]; 68 SHA_LONG Nl, Nh; 69 SHA_LONG data[SHA_LBLOCK]; 70 unsigned int num, md_len; 71 } SHA256_CTX; 72 73 OSSL_DEPRECATEDIN_3_0 int SHA224_Init(SHA256_CTX *c); 74 OSSL_DEPRECATEDIN_3_0 int SHA224_Update(SHA256_CTX *c, 75 const void *data, size_t len); 76 OSSL_DEPRECATEDIN_3_0 int SHA224_Final(unsigned char *md, SHA256_CTX *c); 77 OSSL_DEPRECATEDIN_3_0 int SHA256_Init(SHA256_CTX *c); 78 OSSL_DEPRECATEDIN_3_0 int SHA256_Update(SHA256_CTX *c, 79 const void *data, size_t len); 80 OSSL_DEPRECATEDIN_3_0 int SHA256_Final(unsigned char *md, SHA256_CTX *c); 81 OSSL_DEPRECATEDIN_3_0 void SHA256_Transform(SHA256_CTX *c, 82 const unsigned char *data); 83 # endif 84 85 unsigned char *SHA224(const unsigned char *d, size_t n, unsigned char *md); 86 unsigned char *SHA256(const unsigned char *d, size_t n, unsigned char *md); 87 88 # define SHA224_DIGEST_LENGTH 28 89 # define SHA256_DIGEST_LENGTH 32 90 # define SHA384_DIGEST_LENGTH 48 91 # define SHA512_DIGEST_LENGTH 64 92 93 # ifndef OPENSSL_NO_DEPRECATED_3_0 94 /* 95 * Unlike 32-bit digest algorithms, SHA-512 *relies* on SHA_LONG64 96 * being exactly 64-bit wide. See Implementation Notes in sha512.c 97 * for further details. 98 */ 99 /* 100 * SHA-512 treats input data as a 101 * contiguous array of 64 bit 102 * wide big-endian values. 103 */ 104 # define SHA512_CBLOCK (SHA_LBLOCK*8) 105 # if (defined(_WIN32) || defined(_WIN64)) && !defined(__MINGW32__) 106 # define SHA_LONG64 unsigned __int64 107 # elif defined(__arch64__) 108 # define SHA_LONG64 unsigned long 109 # else 110 # define SHA_LONG64 unsigned long long 111 # endif 112 113 typedef struct SHA512state_st { 114 SHA_LONG64 h[8]; 115 SHA_LONG64 Nl, Nh; 116 union { 117 SHA_LONG64 d[SHA_LBLOCK]; 118 unsigned char p[SHA512_CBLOCK]; 119 } u; 120 unsigned int num, md_len; 121 } SHA512_CTX; 122 123 OSSL_DEPRECATEDIN_3_0 int SHA384_Init(SHA512_CTX *c); 124 OSSL_DEPRECATEDIN_3_0 int SHA384_Update(SHA512_CTX *c, 125 const void *data, size_t len); 126 OSSL_DEPRECATEDIN_3_0 int SHA384_Final(unsigned char *md, SHA512_CTX *c); 127 OSSL_DEPRECATEDIN_3_0 int SHA512_Init(SHA512_CTX *c); 128 OSSL_DEPRECATEDIN_3_0 int SHA512_Update(SHA512_CTX *c, 129 const void *data, size_t len); 130 OSSL_DEPRECATEDIN_3_0 int SHA512_Final(unsigned char *md, SHA512_CTX *c); 131 OSSL_DEPRECATEDIN_3_0 void SHA512_Transform(SHA512_CTX *c, 132 const unsigned char *data); 133 # endif 134 135 unsigned char *SHA384(const unsigned char *d, size_t n, unsigned char *md); 136 unsigned char *SHA512(const unsigned char *d, size_t n, unsigned char *md); 137 138 # ifdef __cplusplus 139 } 140 # endif 141 142 #endif 143