IVLEN
unsigned char iv[IVLEN];
if (!tls13_derive_iv(s, md, gensecret, iv, IVLEN)) {
if (!TEST_mem_eq(iv, IVLEN, ref_iv, IVLEN))
if (!TEST_size_t_eq(sizeof(client_hts_iv), IVLEN))
if (!TEST_size_t_eq(sizeof(server_hts_iv), IVLEN))
if (!TEST_size_t_eq(sizeof(client_ats_iv), IVLEN))
if (!TEST_size_t_eq(sizeof(server_ats_iv), IVLEN))