sph_echo.h

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

#ifdef __cplusplus
extern "C"{
#endif

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

#define SPH_SIZE_echo224   224

#define SPH_SIZE_echo256   256

#define SPH_SIZE_echo384   384

#define SPH_SIZE_echo512   512

typedef struct {
#ifndef DOXYGEN_IGNORE
        unsigned char buf[192];    /* first field, for alignment */
        size_t ptr;
        union {
                sph_u32 Vs[4][4];
#if SPH_64
                sph_u64 Vb[4][2];
#endif
        } u;
        sph_u32 C0, C1, C2, C3;
#endif
} sph_echo_small_context;

typedef struct {
#ifndef DOXYGEN_IGNORE
        unsigned char buf[128];    /* first field, for alignment */
        size_t ptr;
        union {
                sph_u32 Vs[8][4];
#if SPH_64
                sph_u64 Vb[8][2];
#endif
        } u;
        sph_u32 C0, C1, C2, C3;
#endif
} sph_echo_big_context;

typedef sph_echo_small_context sph_echo224_context;

typedef sph_echo_small_context sph_echo256_context;

typedef sph_echo_big_context sph_echo384_context;

typedef sph_echo_big_context sph_echo512_context;

void sph_echo224_init(void *cc);

void sph_echo224(void *cc, const void *data, size_t len);

void sph_echo224_close(void *cc, void *dst);

void sph_echo224_addbits_and_close(
        void *cc, unsigned ub, unsigned n, void *dst);

void sph_echo256_init(void *cc);

void sph_echo256(void *cc, const void *data, size_t len);

void sph_echo256_close(void *cc, void *dst);

void sph_echo256_addbits_and_close(
        void *cc, unsigned ub, unsigned n, void *dst);

void sph_echo384_init(void *cc);

void sph_echo384(void *cc, const void *data, size_t len);

void sph_echo384_close(void *cc, void *dst);

void sph_echo384_addbits_and_close(
        void *cc, unsigned ub, unsigned n, void *dst);

void sph_echo512_init(void *cc);

void sph_echo512(void *cc, const void *data, size_t len);

void sph_echo512_close(void *cc, void *dst);

void sph_echo512_addbits_and_close(
        void *cc, unsigned ub, unsigned n, void *dst);
        
#ifdef __cplusplus
}
#endif

#endif