Added Keccak reference stuff, to be built as library

#define	cKeccakR							1088

#define cKeccakFixedOutputLengthInBytes		32

/*

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/

*/

const void * xorBytes( void* dest, const void* src, unsigned char n );

const void * xorLanes( void* dest, const void* src, unsigned char n );

/*

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_AVR_h_

#define _Keccak_AVR_h_

#include "Keccak-avr8-settings.h"

#ifndef cKeccakB

/*	Only Keccak-F1600 is supported	*/

#define	cKeccakB	1600

#endif

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

#endif

#define cKeccakB    800

#define cKeccakR    512

//#define cKeccakFixedOutputLengthInBytes 64

/*

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( 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, int hashbytelen);

#endif