rijndael_makeKey
if (rijndael_makeKey(&k, DIR_ENCRYPT, key->l << 3, key->v) < 0)
if (rijndael_makeKey(&k, DIR_DECRYPT, key->l << 3, key->v) < 0)
int rijndael_makeKey(keyInstance *key, u_int8_t direction, int keyLen, char *keyMaterial);