#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