// Copyright (c) 2014-2015, The Monero Project
//
// 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.
//
// 3. Neither the name of the copyright holder nor the names of its contributors may be
// used to endorse or promote products derived from this software without specific
// prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT HOLDER 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.
#ifndef __hash_h
#define __hash_h
/*
#include "crypto_uint8.h"
#include "crypto_uint32.h"
#include "crypto_uint64.h"
#include "crypto_hash.h"
typedef crypto_uint8 uint8_t;
typedef crypto_uint32 uint32_t;
typedef crypto_uint64 uint64_t;
*/
#include <stdint.h>
/* some sizes (number of bytes) */
#define ROWS 8
#define LENGTHFIELDLEN ROWS
#define COLS512 8
#define SIZE512 (ROWS*COLS512)
#define ROUNDS512 10
#define HASH_BIT_LEN 256
#define ROTL32(v, n) ((((v)<<(n))|((v)>>(32-(n))))&li_32(ffffffff))
#define li_32(h) 0x##h##u
#define EXT_BYTE(var,n) ((uint8_t)((uint32_t)(var) >> (8*n)))
#define u32BIG(a) \
((ROTL32(a,8) & li_32(00FF00FF)) | \
(ROTL32(a,24) & li_32(FF00FF00)))
/* NIST API begin */
typedef unsigned char BitSequence;
typedef unsigned long long DataLength;
typedef struct {
uint32_t chaining[SIZE512/sizeof(uint32_t)]; /* actual state */
uint32_t block_counter1,
block_counter2; /* message block counter(s) */
BitSequence buffer[SIZE512]; /* data buffer */
int buf_ptr; /* data buffer pointer */
int bits_in_last_byte; /* no. of message bits in last byte of
data buffer */
} hashState;
/*void Init(hashState*);
void Update(hashState*, const BitSequence*, DataLength);
void Final(hashState*, BitSequence*); */
void groestl(const BitSequence*, DataLength, BitSequence*);
/* NIST API end */
/*
int crypto_hash(unsigned char *out,
const unsigned char *in,
unsigned long long len);
*/
#endif /* __hash_h */
