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120 lines
3.7 KiB
C
120 lines
3.7 KiB
C
/*
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* Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the OpenSSL license (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#ifndef HEADER_SHA_H
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# define HEADER_SHA_H
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# include <openssl/e_os2.h>
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# include <stddef.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*-
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* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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* ! SHA_LONG has to be at least 32 bits wide. !
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* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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*/
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# define SHA_LONG unsigned int
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# define SHA_LBLOCK 16
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# define SHA_CBLOCK (SHA_LBLOCK*4)/* SHA treats input data as a
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* contiguous array of 32 bit wide
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* big-endian values. */
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# define SHA_LAST_BLOCK (SHA_CBLOCK-8)
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# define SHA_DIGEST_LENGTH 20
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typedef struct SHAstate_st {
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SHA_LONG h0, h1, h2, h3, h4;
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SHA_LONG Nl, Nh;
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SHA_LONG data[SHA_LBLOCK];
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unsigned int num;
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} SHA_CTX;
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int SHA1_Init(SHA_CTX *c);
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int SHA1_Update(SHA_CTX *c, const void *data, size_t len);
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int SHA1_Final(unsigned char *md, SHA_CTX *c);
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unsigned char *SHA1(const unsigned char *d, size_t n, unsigned char *md);
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void SHA1_Transform(SHA_CTX *c, const unsigned char *data);
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# define SHA256_CBLOCK (SHA_LBLOCK*4)/* SHA-256 treats input data as a
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* contiguous array of 32 bit wide
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* big-endian values. */
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typedef struct SHA256state_st {
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SHA_LONG h[8];
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SHA_LONG Nl, Nh;
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SHA_LONG data[SHA_LBLOCK];
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unsigned int num, md_len;
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} SHA256_CTX;
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int SHA224_Init(SHA256_CTX *c);
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int SHA224_Update(SHA256_CTX *c, const void *data, size_t len);
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int SHA224_Final(unsigned char *md, SHA256_CTX *c);
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unsigned char *SHA224(const unsigned char *d, size_t n, unsigned char *md);
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int SHA256_Init(SHA256_CTX *c);
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int SHA256_Update(SHA256_CTX *c, const void *data, size_t len);
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int SHA256_Final(unsigned char *md, SHA256_CTX *c);
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unsigned char *SHA256(const unsigned char *d, size_t n, unsigned char *md);
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void SHA256_Transform(SHA256_CTX *c, const unsigned char *data);
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# define SHA224_DIGEST_LENGTH 28
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# define SHA256_DIGEST_LENGTH 32
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# define SHA384_DIGEST_LENGTH 48
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# define SHA512_DIGEST_LENGTH 64
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/*
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* Unlike 32-bit digest algorithms, SHA-512 *relies* on SHA_LONG64
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* being exactly 64-bit wide. See Implementation Notes in sha512.c
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* for further details.
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*/
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/*
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* SHA-512 treats input data as a
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* contiguous array of 64 bit
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* wide big-endian values.
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*/
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# define SHA512_CBLOCK (SHA_LBLOCK*8)
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# if (defined(_WIN32) || defined(_WIN64)) && !defined(__MINGW32__)
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# define SHA_LONG64 unsigned __int64
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# define U64(C) C##UI64
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# elif defined(__arch64__)
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# define SHA_LONG64 unsigned long
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# define U64(C) C##UL
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# else
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# define SHA_LONG64 unsigned long long
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# define U64(C) C##ULL
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# endif
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typedef struct SHA512state_st {
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SHA_LONG64 h[8];
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SHA_LONG64 Nl, Nh;
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union {
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SHA_LONG64 d[SHA_LBLOCK];
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unsigned char p[SHA512_CBLOCK];
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} u;
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unsigned int num, md_len;
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} SHA512_CTX;
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int SHA384_Init(SHA512_CTX *c);
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int SHA384_Update(SHA512_CTX *c, const void *data, size_t len);
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int SHA384_Final(unsigned char *md, SHA512_CTX *c);
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unsigned char *SHA384(const unsigned char *d, size_t n, unsigned char *md);
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int SHA512_Init(SHA512_CTX *c);
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int SHA512_Update(SHA512_CTX *c, const void *data, size_t len);
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int SHA512_Final(unsigned char *md, SHA512_CTX *c);
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unsigned char *SHA512(const unsigned char *d, size_t n, unsigned char *md);
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void SHA512_Transform(SHA512_CTX *c, const unsigned char *data);
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#ifdef __cplusplus
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}
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#endif
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#endif
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