pqc/crypto_sign/dilithium5/clean/symmetric.h
John Schanck 32c613e8ec Round 3 update for Dilithium (from github source) (#369)
* Update Dilithium

* Alternative montgomery reduce to avoid i386 functest errors

* Explicit casts for msvc

* More casts; bump upstream version; fix metadata

* another cast
2021-03-24 21:02:50 +00:00

37 lines
1.3 KiB
C

#ifndef PQCLEAN_DILITHIUM5_CLEAN_SYMMETRIC_H
#define PQCLEAN_DILITHIUM5_CLEAN_SYMMETRIC_H
#include "fips202.h"
#include "params.h"
#include <stdint.h>
typedef shake128incctx stream128_state;
typedef shake256incctx stream256_state;
void PQCLEAN_DILITHIUM5_CLEAN_dilithium_shake128_stream_init(shake128incctx *state,
const uint8_t seed[SEEDBYTES],
uint16_t nonce);
void PQCLEAN_DILITHIUM5_CLEAN_dilithium_shake256_stream_init(shake256incctx *state,
const uint8_t seed[CRHBYTES],
uint16_t nonce);
#define STREAM128_BLOCKBYTES SHAKE128_RATE
#define STREAM256_BLOCKBYTES SHAKE256_RATE
#define crh(OUT, IN, INBYTES) shake256(OUT, CRHBYTES, IN, INBYTES)
#define stream128_init(STATE, SEED, NONCE) \
PQCLEAN_DILITHIUM5_CLEAN_dilithium_shake128_stream_init(STATE, SEED, NONCE)
#define stream128_squeezeblocks(OUT, OUTBLOCKS, STATE) \
shake128_inc_squeeze(OUT, (OUTBLOCKS)*(SHAKE128_RATE), STATE)
#define stream128_release(STATE) shake128_inc_ctx_release(STATE)
#define stream256_init(STATE, SEED, NONCE) \
PQCLEAN_DILITHIUM5_CLEAN_dilithium_shake256_stream_init(STATE, SEED, NONCE)
#define stream256_squeezeblocks(OUT, OUTBLOCKS, STATE) \
shake256_inc_squeeze(OUT, (OUTBLOCKS)*(SHAKE256_RATE), STATE)
#define stream256_release(STATE) shake256_inc_ctx_release(STATE)
#endif