crypto_kem_sntrup761_SECRETKEYBYTES
u_char sntrup761_client_key[crypto_kem_sntrup761_SECRETKEYBYTES]; /* KEM */
unsigned char sk[crypto_kem_sntrup761_SECRETKEYBYTES];
static unsigned char zero_sk[crypto_kem_sntrup761_SECRETKEYBYTES];
static unsigned char rnd_sk[crypto_kem_sntrup761_SECRETKEYBYTES];