g_eli_key_hold
key = g_eli_key_hold(sc, 0,
uint8_t *g_eli_key_hold(struct g_eli_softc *sc, off_t offset, size_t blocksize);
crp->crp_cipher_key = g_eli_key_hold(sc, dstoff,
crp->crp_cipher_key = g_eli_key_hold(sc, dstoff,