1 /* 2 * Copyright 1995-2023 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 # include <openssl/e_os2.h> 20 # include <stddef.h> 21 22 # ifdef __cplusplus 23 extern "C" { 24 # endif 25 26 # define SHA_DIGEST_LENGTH 20 27 28 # ifndef OPENSSL_NO_DEPRECATED_3_0 29 /*- 30 * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 31 * ! SHA_LONG has to be at least 32 bits wide. ! 32 * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 33 */ 34 # define SHA_LONG unsigned int 35 36 # define SHA_LBLOCK 16 37 # define SHA_CBLOCK (SHA_LBLOCK*4)/* SHA treats input data as a 38 * contiguous array of 32 bit wide 39 * big-endian values. */ 40 # define SHA_LAST_BLOCK (SHA_CBLOCK-8) 41 42 typedef struct SHAstate_st { 43 SHA_LONG h0, h1, h2, h3, h4; 44 SHA_LONG Nl, Nh; 45 SHA_LONG data[SHA_LBLOCK]; 46 unsigned int num; 47 } SHA_CTX; 48 49 OSSL_DEPRECATEDIN_3_0 int SHA1_Init(SHA_CTX *c); 50 OSSL_DEPRECATEDIN_3_0 int SHA1_Update(SHA_CTX *c, const void *data, size_t len); 51 OSSL_DEPRECATEDIN_3_0 int SHA1_Final(unsigned char *md, SHA_CTX *c); 52 OSSL_DEPRECATEDIN_3_0 void SHA1_Transform(SHA_CTX *c, const unsigned char *data); 53 # endif 54 55 unsigned char *SHA1(const unsigned char *d, size_t n, unsigned char *md); 56 57 # ifndef OPENSSL_NO_DEPRECATED_3_0 58 # define SHA256_CBLOCK (SHA_LBLOCK*4)/* SHA-256 treats input data as a 59 * contiguous array of 32 bit wide 60 * big-endian values. */ 61 62 typedef struct SHA256state_st { 63 SHA_LONG h[8]; 64 SHA_LONG Nl, Nh; 65 SHA_LONG data[SHA_LBLOCK]; 66 unsigned int num, md_len; 67 } SHA256_CTX; 68 69 OSSL_DEPRECATEDIN_3_0 int SHA224_Init(SHA256_CTX *c); 70 OSSL_DEPRECATEDIN_3_0 int SHA224_Update(SHA256_CTX *c, 71 const void *data, size_t len); 72 OSSL_DEPRECATEDIN_3_0 int SHA224_Final(unsigned char *md, SHA256_CTX *c); 73 OSSL_DEPRECATEDIN_3_0 int SHA256_Init(SHA256_CTX *c); 74 OSSL_DEPRECATEDIN_3_0 int SHA256_Update(SHA256_CTX *c, 75 const void *data, size_t len); 76 OSSL_DEPRECATEDIN_3_0 int SHA256_Final(unsigned char *md, SHA256_CTX *c); 77 OSSL_DEPRECATEDIN_3_0 void SHA256_Transform(SHA256_CTX *c, 78 const unsigned char *data); 79 # endif 80 81 unsigned char *SHA224(const unsigned char *d, size_t n, unsigned char *md); 82 unsigned char *SHA256(const unsigned char *d, size_t n, unsigned char *md); 83 84 # define SHA256_192_DIGEST_LENGTH 24 85 # define SHA224_DIGEST_LENGTH 28 86 # define SHA256_DIGEST_LENGTH 32 87 # define SHA384_DIGEST_LENGTH 48 88 # define SHA512_DIGEST_LENGTH 64 89 90 # ifndef OPENSSL_NO_DEPRECATED_3_0 91 /* 92 * Unlike 32-bit digest algorithms, SHA-512 *relies* on SHA_LONG64 93 * being exactly 64-bit wide. See Implementation Notes in sha512.c 94 * for further details. 95 */ 96 /* 97 * SHA-512 treats input data as a 98 * contiguous array of 64 bit 99 * wide big-endian values. 100 */ 101 # define SHA512_CBLOCK (SHA_LBLOCK*8) 102 # if (defined(_WIN32) || defined(_WIN64)) && !defined(__MINGW32__) 103 # define SHA_LONG64 unsigned __int64 104 # elif defined(__arch64__) 105 # define SHA_LONG64 unsigned long 106 # else 107 # define SHA_LONG64 unsigned long long 108 # endif 109 110 typedef struct SHA512state_st { 111 SHA_LONG64 h[8]; 112 SHA_LONG64 Nl, Nh; 113 union { 114 SHA_LONG64 d[SHA_LBLOCK]; 115 unsigned char p[SHA512_CBLOCK]; 116 } u; 117 unsigned int num, md_len; 118 } SHA512_CTX; 119 120 OSSL_DEPRECATEDIN_3_0 int SHA384_Init(SHA512_CTX *c); 121 OSSL_DEPRECATEDIN_3_0 int SHA384_Update(SHA512_CTX *c, 122 const void *data, size_t len); 123 OSSL_DEPRECATEDIN_3_0 int SHA384_Final(unsigned char *md, SHA512_CTX *c); 124 OSSL_DEPRECATEDIN_3_0 int SHA512_Init(SHA512_CTX *c); 125 OSSL_DEPRECATEDIN_3_0 int SHA512_Update(SHA512_CTX *c, 126 const void *data, size_t len); 127 OSSL_DEPRECATEDIN_3_0 int SHA512_Final(unsigned char *md, SHA512_CTX *c); 128 OSSL_DEPRECATEDIN_3_0 void SHA512_Transform(SHA512_CTX *c, 129 const unsigned char *data); 130 # endif 131 132 unsigned char *SHA384(const unsigned char *d, size_t n, unsigned char *md); 133 unsigned char *SHA512(const unsigned char *d, size_t n, unsigned char *md); 134 135 # ifdef __cplusplus 136 } 137 # endif 138 139 #endif 140