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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 use5 * this file except in compliance with the License.  You can obtain a copy6 * in the file LICENSE in the source distribution or at7 * https://www.openssl.org/source/license.html8 */9 10#ifndef OPENSSL_SHA_H11#define OPENSSL_SHA_H12#pragma once13 14#include <openssl/macros.h>15#ifndef OPENSSL_NO_DEPRECATED_3_016#define HEADER_SHA_H17#endif18 19#include <openssl/e_os2.h>20#include <stddef.h>21 22#ifdef __cplusplus23extern "C" {24#endif25 26#define SHA_DIGEST_LENGTH 2027 28#ifndef OPENSSL_NO_DEPRECATED_3_029/*-30 * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!31 * ! SHA_LONG has to be at least 32 bits wide.                    !32 * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!33 */34#define SHA_LONG unsigned int35 36#define SHA_LBLOCK 1637#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 42typedef 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 49OSSL_DEPRECATEDIN_3_0 int SHA1_Init(SHA_CTX *c);50OSSL_DEPRECATEDIN_3_0 int SHA1_Update(SHA_CTX *c, const void *data, size_t len);51OSSL_DEPRECATEDIN_3_0 int SHA1_Final(unsigned char *md, SHA_CTX *c);52OSSL_DEPRECATEDIN_3_0 void SHA1_Transform(SHA_CTX *c, const unsigned char *data);53#endif54 55unsigned char *SHA1(const unsigned char *d, size_t n, unsigned char *md);56 57#ifndef OPENSSL_NO_DEPRECATED_3_058#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 62typedef 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 69OSSL_DEPRECATEDIN_3_0 int SHA224_Init(SHA256_CTX *c);70OSSL_DEPRECATEDIN_3_0 int SHA224_Update(SHA256_CTX *c,71    const void *data, size_t len);72OSSL_DEPRECATEDIN_3_0 int SHA224_Final(unsigned char *md, SHA256_CTX *c);73OSSL_DEPRECATEDIN_3_0 int SHA256_Init(SHA256_CTX *c);74OSSL_DEPRECATEDIN_3_0 int SHA256_Update(SHA256_CTX *c,75    const void *data, size_t len);76OSSL_DEPRECATEDIN_3_0 int SHA256_Final(unsigned char *md, SHA256_CTX *c);77OSSL_DEPRECATEDIN_3_0 void SHA256_Transform(SHA256_CTX *c,78    const unsigned char *data);79#endif80 81unsigned char *SHA224(const unsigned char *d, size_t n, unsigned char *md);82unsigned char *SHA256(const unsigned char *d, size_t n, unsigned char *md);83 84#define SHA256_192_DIGEST_LENGTH 2485#define SHA224_DIGEST_LENGTH 2886#define SHA256_DIGEST_LENGTH 3287#define SHA384_DIGEST_LENGTH 4888#define SHA512_DIGEST_LENGTH 6489 90#ifndef OPENSSL_NO_DEPRECATED_3_091/*92 * Unlike 32-bit digest algorithms, SHA-512 *relies* on SHA_LONG6493 * being exactly 64-bit wide. See Implementation Notes in sha512.c94 * for further details.95 */96/*97 * SHA-512 treats input data as a98 * contiguous array of 64 bit99 * 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 __int64104#elif defined(__arch64__)105#define SHA_LONG64 unsigned long106#else107#define SHA_LONG64 unsigned long long108#endif109 110typedef 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 120OSSL_DEPRECATEDIN_3_0 int SHA384_Init(SHA512_CTX *c);121OSSL_DEPRECATEDIN_3_0 int SHA384_Update(SHA512_CTX *c,122    const void *data, size_t len);123OSSL_DEPRECATEDIN_3_0 int SHA384_Final(unsigned char *md, SHA512_CTX *c);124OSSL_DEPRECATEDIN_3_0 int SHA512_Init(SHA512_CTX *c);125OSSL_DEPRECATEDIN_3_0 int SHA512_Update(SHA512_CTX *c,126    const void *data, size_t len);127OSSL_DEPRECATEDIN_3_0 int SHA512_Final(unsigned char *md, SHA512_CTX *c);128OSSL_DEPRECATEDIN_3_0 void SHA512_Transform(SHA512_CTX *c,129    const unsigned char *data);130#endif131 132unsigned char *SHA384(const unsigned char *d, size_t n, unsigned char *md);133unsigned char *SHA512(const unsigned char *d, size_t n, unsigned char *md);134 135#ifdef __cplusplus136}137#endif138 139#endif140