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/*
* Maxim Tishkov 2016
* This file is distributed under the same license as OpenSSL
*/
#ifndef GOST_GRASSHOPPER_DEFINES_H
#define GOST_GRASSHOPPER_DEFINES_H
#if defined(__cplusplus)
extern "C" {
#endif
#include <stdbool.h>
#include <stdint.h>
# if !defined(inline) && !defined(__cplusplus)
# if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
# define GRASSHOPPER_INLINE inline
# elif defined(__GNUC__) && __GNUC__ >= 2
# define GRASSHOPPER_INLINE __inline__
# define likely(x) __builtin_expect(!!(x), 1)
# elif defined(_MSC_VER)
# define GRASSHOPPER_INLINE __inline
# else
# define GRASSHOPPER_INLINE
# endif
# else
# define GRASSHOPPER_INLINE inline
# endif
# if !defined(likely)
# define likely(x) x
# endif
typedef union {
uint8_t b[16];
uint64_t q[2];
uint32_t d[4];
uint16_t w[8];
} grasshopper_w128_t;
typedef union {
uint8_t b[32];
uint64_t q[4];
uint32_t d[8];
uint16_t w[16];
grasshopper_w128_t k[2];
} grasshopper_w256_t;
typedef struct {
grasshopper_w256_t k;
} grasshopper_key_t;
#define GRASSHOPPER_ROUND_KEYS_COUNT 10
typedef struct {
grasshopper_w128_t k[GRASSHOPPER_ROUND_KEYS_COUNT];
} grasshopper_round_keys_t;
extern const uint8_t grasshopper_pi[0x100];
extern const uint8_t grasshopper_pi_inv[0x100];
extern const uint8_t grasshopper_lvec[16];
#define GRASSHOPPER_BLOCK_SIZE (128/8)
#define GRASSHOPPER_KEY_SIZE (256/8)
#if defined(__cplusplus)
}
#endif
#endif
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