crypto_kem_sntrup761_keypair
int crypto_kem_sntrup761_keypair(unsigned char *pk, unsigned char *sk);
crypto_kem_sntrup761_keypair(cp, kex->sntrup761_client_key);
if (crypto_kem_sntrup761_keypair(pk, sk) != 0)
if (crypto_kem_sntrup761_keypair(pk, zero_sk) != 0)
if (crypto_kem_sntrup761_keypair(pk, rnd_sk) != 0)