EAPOL_KEY_IV_LEN
u_int8_t iv[EAPOL_KEY_IV_LEN];
u_int8_t keybuf[EAPOL_KEY_IV_LEN + 16];
memcpy(keybuf, key->iv, EAPOL_KEY_IV_LEN);
memcpy(keybuf + EAPOL_KEY_IV_LEN, kek, 16);
u_int8_t keybuf[EAPOL_KEY_IV_LEN + 16];
memcpy(keybuf, key->iv, EAPOL_KEY_IV_LEN);
memcpy(keybuf + EAPOL_KEY_IV_LEN, kek, 16);