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pqcrypto/common/fips202.h
2019-05-20 10:22:51 +02:00

79 lines
2.3 KiB
C

#ifndef FIPS202_H
#define FIPS202_H
#include <stddef.h>
#include <stdint.h>
#define SHAKE128_RATE 168
#define SHAKE256_RATE 136
#define SHA3_256_RATE 136
#define SHA3_512_RATE 72
// Context for incremental API
typedef struct {
uint64_t ctx[26];
} shake128incctx;
// Context for non-incremental API
typedef struct {
uint64_t ctx[25];
} shake128ctx;
// Context for incremental API
typedef struct {
uint64_t ctx[26];
} shake256incctx;
// Context for non-incremental API
typedef struct {
uint64_t ctx[25];
} shake256ctx;
// Context for incremental API
typedef struct {
uint64_t ctx[26];
} sha3_256incctx;
// Context for incremental API
typedef struct {
uint64_t ctx[26];
} sha3_512incctx;
void shake128_absorb(shake128ctx *state, const uint8_t *input, size_t inlen);
void shake128_squeezeblocks(uint8_t *output, size_t nblocks, shake128ctx *state);
void shake128_inc_init(shake128incctx *state);
void shake128_inc_absorb(shake128incctx *state, const uint8_t *input, size_t inlen);
void shake128_inc_finalize(shake128incctx *state);
void shake128_inc_squeeze(uint8_t *output, size_t outlen, shake128incctx *state);
void shake256_absorb(shake256ctx *state, const uint8_t *input, size_t inlen);
void shake256_squeezeblocks(uint8_t *output, size_t nblocks, shake256ctx *state);
void shake256_inc_init(shake256incctx *state);
void shake256_inc_absorb(shake256incctx *state, const uint8_t *input, size_t inlen);
void shake256_inc_finalize(shake256incctx *state);
void shake256_inc_squeeze(uint8_t *output, size_t outlen, shake256incctx *state);
void shake128(uint8_t *output, size_t outlen,
const uint8_t *input, size_t inlen);
void shake256(uint8_t *output, size_t outlen,
const uint8_t *input, size_t inlen);
void sha3_256_inc_init(sha3_256incctx *state);
void sha3_256_inc_absorb(sha3_256incctx *state, const uint8_t *input, size_t inlen);
void sha3_256_inc_finalize(uint8_t *output, sha3_256incctx *state);
void sha3_256(uint8_t *output, const uint8_t *input, size_t inlen);
void sha3_512_inc_init(sha3_512incctx *state);
void sha3_512_inc_absorb(sha3_512incctx *state, const uint8_t *input, size_t inlen);
void sha3_512_inc_finalize(uint8_t *output, sha3_512incctx *state);
void sha3_512(uint8_t *output, const uint8_t *input, size_t inlen);
#endif