sph_keccak.h

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/* $Id: sph_keccak.h 216 2010-06-08 09:46:57Z tp $ */
#ifndef SPH_KECCAK_H__
#define SPH_KECCAK_H__

#ifdef __cplusplus
extern "C"{
#endif

#include <stddef.h>
#include <crypto/sph_types.h>

#define SPH_SIZE_keccak224   224

#define SPH_SIZE_keccak256   256

#define SPH_SIZE_keccak384   384

#define SPH_SIZE_keccak512   512

typedef struct {
#ifndef DOXYGEN_IGNORE
        unsigned char buf[144];    /* first field, for alignment */
        size_t ptr, lim;
        union {
#if SPH_64
                sph_u64 wide[25];
#endif
                sph_u32 narrow[50];
        } u;
#endif
} sph_keccak_context;

typedef sph_keccak_context sph_keccak224_context;

typedef sph_keccak_context sph_keccak256_context;

typedef sph_keccak_context sph_keccak384_context;

typedef sph_keccak_context sph_keccak512_context;

void sph_keccak224_init(void *cc);

void sph_keccak224(void *cc, const void *data, size_t len);

void sph_keccak224_close(void *cc, void *dst);

void sph_keccak224_addbits_and_close(
        void *cc, unsigned ub, unsigned n, void *dst);

void sph_keccak256_init(void *cc);

void sph_keccak256(void *cc, const void *data, size_t len);

void sph_keccak256_close(void *cc, void *dst);

void sph_keccak256_addbits_and_close(
        void *cc, unsigned ub, unsigned n, void *dst);

void sph_keccak384_init(void *cc);

void sph_keccak384(void *cc, const void *data, size_t len);

void sph_keccak384_close(void *cc, void *dst);

void sph_keccak384_addbits_and_close(
        void *cc, unsigned ub, unsigned n, void *dst);

void sph_keccak512_init(void *cc);

void sph_keccak512(void *cc, const void *data, size_t len);

void sph_keccak512_close(void *cc, void *dst);

void sph_keccak512_addbits_and_close(
        void *cc, unsigned ub, unsigned n, void *dst);

#ifdef __cplusplus
}
#endif

#endif