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/*
* Copyright 1995-2021 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#ifndef OPENSSL_SHA_H
# define OPENSSL_SHA_H
# pragma once
# include <openssl/macros.h>
# ifndef OPENSSL_NO_DEPRECATED_3_0
# define HEADER_SHA_H
# endif
# include <openssl/e_os2.h>
# include <stddef.h>
# ifdef __cplusplus
extern "C" {
# endif
# define SHA_DIGEST_LENGTH 20
# ifndef OPENSSL_NO_DEPRECATED_3_0
/*-
* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
* ! SHA_LONG has to be at least 32 bits wide. !
* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
*/
# define SHA_LONG unsigned int
# define SHA_LBLOCK 16
# define SHA_CBLOCK (SHA_LBLOCK*4)/* SHA treats input data as a
* contiguous array of 32 bit wide
* big-endian values. */
# define SHA_LAST_BLOCK (SHA_CBLOCK-8)
typedef struct SHAstate_st {
SHA_LONG h0, h1, h2, h3, h4;
SHA_LONG Nl, Nh;
SHA_LONG data[SHA_LBLOCK];
unsigned int num;
} SHA_CTX;
OSSL_DEPRECATEDIN_3_0 int SHA1_Init(SHA_CTX *c);
OSSL_DEPRECATEDIN_3_0 int SHA1_Update(SHA_CTX *c, const void *data, size_t len);
OSSL_DEPRECATEDIN_3_0 int SHA1_Final(unsigned char *md, SHA_CTX *c);
OSSL_DEPRECATEDIN_3_0 void SHA1_Transform(SHA_CTX *c, const unsigned char *data);
# endif
unsigned char *SHA1(const unsigned char *d, size_t n, unsigned char *md);
# ifndef OPENSSL_NO_DEPRECATED_3_0
# define SHA256_CBLOCK (SHA_LBLOCK*4)/* SHA-256 treats input data as a
* contiguous array of 32 bit wide
* big-endian values. */
typedef struct SHA256state_st {
SHA_LONG h[8];
SHA_LONG Nl, Nh;
SHA_LONG data[SHA_LBLOCK];
unsigned int num, md_len;
} SHA256_CTX;
OSSL_DEPRECATEDIN_3_0 int SHA224_Init(SHA256_CTX *c);
OSSL_DEPRECATEDIN_3_0 int SHA224_Update(SHA256_CTX *c,
const void *data, size_t len);
OSSL_DEPRECATEDIN_3_0 int SHA224_Final(unsigned char *md, SHA256_CTX *c);
OSSL_DEPRECATEDIN_3_0 int SHA256_Init(SHA256_CTX *c);
OSSL_DEPRECATEDIN_3_0 int SHA256_Update(SHA256_CTX *c,
const void *data, size_t len);
OSSL_DEPRECATEDIN_3_0 int SHA256_Final(unsigned char *md, SHA256_CTX *c);
OSSL_DEPRECATEDIN_3_0 void SHA256_Transform(SHA256_CTX *c,
const unsigned char *data);
# endif
unsigned char *SHA224(const unsigned char *d, size_t n, unsigned char *md);
unsigned char *SHA256(const unsigned char *d, size_t n, unsigned char *md);
# define SHA224_DIGEST_LENGTH 28
# define SHA256_DIGEST_LENGTH 32
# define SHA384_DIGEST_LENGTH 48
# define SHA512_DIGEST_LENGTH 64
# ifndef OPENSSL_NO_DEPRECATED_3_0
/*
* Unlike 32-bit digest algorithms, SHA-512 *relies* on SHA_LONG64
* being exactly 64-bit wide. See Implementation Notes in sha512.c
* for further details.
*/
/*
* SHA-512 treats input data as a
* contiguous array of 64 bit
* wide big-endian values.
*/
# define SHA512_CBLOCK (SHA_LBLOCK*8)
# if (defined(_WIN32) || defined(_WIN64)) && !defined(__MINGW32__)
# define SHA_LONG64 unsigned __int64
# elif defined(__arch64__)
# define SHA_LONG64 unsigned long
# else
# define SHA_LONG64 unsigned long long
# endif
typedef struct SHA512state_st {
SHA_LONG64 h[8];
SHA_LONG64 Nl, Nh;
union {
SHA_LONG64 d[SHA_LBLOCK];
unsigned char p[SHA512_CBLOCK];
} u;
unsigned int num, md_len;
} SHA512_CTX;
OSSL_DEPRECATEDIN_3_0 int SHA384_Init(SHA512_CTX *c);
OSSL_DEPRECATEDIN_3_0 int SHA384_Update(SHA512_CTX *c,
const void *data, size_t len);
OSSL_DEPRECATEDIN_3_0 int SHA384_Final(unsigned char *md, SHA512_CTX *c);
OSSL_DEPRECATEDIN_3_0 int SHA512_Init(SHA512_CTX *c);
OSSL_DEPRECATEDIN_3_0 int SHA512_Update(SHA512_CTX *c,
const void *data, size_t len);
OSSL_DEPRECATEDIN_3_0 int SHA512_Final(unsigned char *md, SHA512_CTX *c);
OSSL_DEPRECATEDIN_3_0 void SHA512_Transform(SHA512_CTX *c,
const unsigned char *data);
# endif
unsigned char *SHA384(const unsigned char *d, size_t n, unsigned char *md);
unsigned char *SHA512(const unsigned char *d, size_t n, unsigned char *md);
# ifdef __cplusplus
}
# endif
#endif
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