tunsafe-clang15/crypto/sha/sha1.h

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2018-11-19 14:24:43 -06:00
/*
* sha1.h
*
* Copyright (C) 1998, 2009
* Paul E. Jones <paulej@packetizer.com>
* All Rights Reserved
*
*****************************************************************************
* $Id: sha1.h 12 2009-06-22 19:34:25Z paulej $
*****************************************************************************
*
* Description:
* This class implements the Secure Hashing Standard as defined
* in FIPS PUB 180-1 published April 17, 1995.
*
* Many of the variable names in the SHA1Context, especially the
* single character names, were used because those were the names
* used in the publication.
*
* Please read the file sha1.c for more information.
*
*/
#ifndef _SHA1_H_
#define _SHA1_H_
#include "tunsafe_types.h"
struct SHA1Context {
uint32 state[5];
uint64 length;
uint8 buffer[64];
uint32 pos;
};
void SHA1Reset(SHA1Context *ctx);
void SHA1Input(SHA1Context *ctx, const uint8 *input, size_t input_len);
void SHA1Finish(SHA1Context *ctx, uint8 digest[20]);
void SHA1Hash(const uint8 *data, int data_size, uint8 digest[20]);
struct SHA1HmacContext {
SHA1Context sha1, sha2;
};
void SHA1HmacReset(SHA1HmacContext *hmac, const unsigned char *key, unsigned key_size);
void SHA1HmacInput(SHA1HmacContext *hmac, const unsigned char *input, unsigned input_size);
void SHA1HmacFinish(SHA1HmacContext *hmac, byte digest[20]);
#endif