LOOP=/dev/loop1
	modprobe dm-crypt
	apk_add $@
	dd if=/dev/zero of=luks.dsk bs=1024 count=2048
	losetup $LOOP luks.dsk
	echo "testpassword" | cryptsetup luksFormat $LOOP -q
	losetup -d $LOOP
	rm luks.dsk
	apk_del $@