#ifndef __hash_h
#define __hash_h
/*
#include "crypto_hash.h"
#include "crypto_uint32.h"
#include "crypto_uint64.h"
#include "crypto_uint8.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 */
