pqc/crypto_kem/kyber768/clean/params.h

#ifndef PARAMS_H
#define PARAMS_H

#define KYBER_K 3

#define KYBER_N 256
#define KYBER_Q 7681

#define KYBER_ETA 4

#define KYBER_SYMBYTES 32 /* size in bytes of shared key, hashes, and seeds */

#define KYBER_POLYBYTES 416
#define KYBER_POLYCOMPRESSEDBYTES 96
#define KYBER_POLYVECBYTES (KYBER_K * KYBER_POLYBYTES)
#define KYBER_POLYVECCOMPRESSEDBYTES (KYBER_K * 352)

#define KYBER_INDCPA_MSGBYTES KYBER_SYMBYTES
#define KYBER_INDCPA_PUBLICKEYBYTES                                            \
    (KYBER_POLYVECCOMPRESSEDBYTES + KYBER_SYMBYTES)
#define KYBER_INDCPA_SECRETKEYBYTES (KYBER_POLYVECBYTES)
#define KYBER_INDCPA_BYTES                                                     \
    (KYBER_POLYVECCOMPRESSEDBYTES + KYBER_POLYCOMPRESSEDBYTES)

#define KYBER_PUBLICKEYBYTES (KYBER_INDCPA_PUBLICKEYBYTES)
#define KYBER_SECRETKEYBYTES                                                   \
    (KYBER_INDCPA_SECRETKEYBYTES + KYBER_INDCPA_PUBLICKEYBYTES +               \
     2 * KYBER_SYMBYTES) /* 32 bytes of additional space to save H(pk) */
#define KYBER_CIPHERTEXTBYTES KYBER_INDCPA_BYTES

#endif