wusb_key_derive 394 drivers/staging/wusbcore/crypto.c result = wusb_key_derive(&keydvt_out, stv_key_a1, &stv_keydvt_n_a1, wusb_key_derive 437 drivers/staging/wusbcore/security.c result = wusb_key_derive(&keydvt_out, ck->data, &ccm_n, &keydvt_in);