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cpuminer-opt-gpu/algo/sha/hmac-sha256-hash.h
Jay D Dee 2cd1507c2e v3.7.4
2021-09-29 17:31:16 -04:00

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2.4 KiB
C

/*-
* Copyright 2005,2007,2009 Colin Percival
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD: src/lib/libmd/sha256_Y.h,v 1.2 2006/01/17 15:35:56 phk Exp $
*/
#ifndef HMAC_SHA256_H__
#define HMAC_SHA256_H__
#include <sys/types.h>
#include <stdint.h>
#include "sha256-hash.h"
typedef struct HMAC_SHA256Context
{
sha256_context ictx;
sha256_context octx;
} HMAC_SHA256_CTX;
void SHA256_Buf( const void *, size_t len, uint8_t digest[32] );
void HMAC_SHA256_Init( HMAC_SHA256_CTX *, const void *, size_t );
void HMAC_SHA256_Update( HMAC_SHA256_CTX *, const void *, size_t );
void HMAC_SHA256_Final( void*, HMAC_SHA256_CTX * );
void HMAC_SHA256_Buf( const void *, size_t Klen, const void *,
size_t len, uint8_t digest[32] );
/**
* PBKDF2_SHA256(passwd, passwdlen, salt, saltlen, c, buf, dkLen):
* Compute PBKDF2(passwd, salt, c, dkLen) using HMAC-SHA256 as the PRF, and
* write the output to buf. The value dkLen must be at most 32 * (2^32 - 1).
*/
void PBKDF2_SHA256( const uint8_t *, size_t, const uint8_t *, size_t,
uint64_t, uint8_t *, size_t);
#endif // HMAC_SHA256_H__