Keccak-compact.h

/*
The Keccak sponge function, designed by Guido Bertoni, Joan Daemen,
Michaël Peeters and Gilles Van Assche. For more information, feedback or
questions, please refer to our website: http://keccak.noekeon.org/

Implementation by Ronny Van Keer,
hereby denoted as "the implementer".

To the extent possible under law, the implementer has waived all copyright
and related or neighboring rights to the source code in this file.
http://creativecommons.org/publicdomain/zero/1.0/
*/

#ifndef _Keccak_compact_h_
#define _Keccak_compact_h_

#include "Keccak-compact-settings.h"

int crypto_hash_NIST_SHA3(unsigned char *out, const unsigned char *in, unsigned long long inlen);
int crypto_hash( unsigned char *out, const unsigned char *in, unsigned long long inlen );

/*
** API with message queue (inspired from NIST's API)
*/

typedef unsigned char BitSequence;
typedef unsigned long long DataLength;
typedef enum { SUCCESS = 0, FAIL = 1, BAD_HASHLEN = 2 } HashReturn;

#if defined(__GNUC__)
#define ALIGN __attribute__ ((aligned(32)))
#elif defined(_MSC_VER)
#define ALIGN __declspec(align(32))
#else
#define ALIGN
#endif

ALIGN typedef struct hashStateStruct 
{
	ALIGN unsigned char state[cKeccakB / 8];
	int bitsInQueue;
} hashState;


HashReturn Init(hashState *state);

HashReturn Update(hashState *state, const BitSequence *data, DataLength databitlen);

HashReturn Final(hashState *state, BitSequence *hashval, unsigned int hashbytelen);

#endif