pqc/crypto_kem/ntruhps4096821/avx2/params.h
2020-08-24 09:47:30 -04:00

38 lines
1.1 KiB
C

#ifndef PARAMS_H
#define PARAMS_H
#define NTRU_HPS
#define NTRU_N 821
#define NTRU_LOGQ 12
/* Do not modify below this line */
#define PAD32(X) ((((X) + 31)/32)*32)
#define NTRU_Q (1 << NTRU_LOGQ)
#define NTRU_WEIGHT (NTRU_Q/8 - 2)
#define NTRU_SEEDBYTES 32
#define NTRU_PRFKEYBYTES 32
#define NTRU_SHAREDKEYBYTES 32
#define NTRU_SAMPLE_IID_BYTES (NTRU_N-1)
#define NTRU_SAMPLE_FT_BYTES ((30*(NTRU_N-1)+7)/8)
#define NTRU_SAMPLE_FG_BYTES (NTRU_SAMPLE_IID_BYTES+NTRU_SAMPLE_FT_BYTES)
#define NTRU_SAMPLE_RM_BYTES (NTRU_SAMPLE_IID_BYTES+NTRU_SAMPLE_FT_BYTES)
#define NTRU_PACK_DEG (NTRU_N-1)
#define NTRU_PACK_TRINARY_BYTES ((NTRU_PACK_DEG+4)/5)
#define NTRU_OWCPA_MSGBYTES (2*NTRU_PACK_TRINARY_BYTES)
#define NTRU_OWCPA_PUBLICKEYBYTES ((NTRU_LOGQ*NTRU_PACK_DEG+7)/8)
#define NTRU_OWCPA_SECRETKEYBYTES (2*NTRU_PACK_TRINARY_BYTES + NTRU_OWCPA_PUBLICKEYBYTES)
#define NTRU_OWCPA_BYTES ((NTRU_LOGQ*NTRU_PACK_DEG+7)/8)
#define NTRU_PUBLICKEYBYTES (NTRU_OWCPA_PUBLICKEYBYTES)
#define NTRU_SECRETKEYBYTES (NTRU_OWCPA_SECRETKEYBYTES + NTRU_PRFKEYBYTES)
#define NTRU_CIPHERTEXTBYTES (NTRU_OWCPA_BYTES)
#endif