+prepare "[27] luksOpen with specified key slot number" wipe
+# first, let's try passphrase option
+echo "key5" | $CRYPTSETUP luksFormat -S 5 $LOOPDEV || fail
+check $LUKS_HEADER $KEY_SLOT5 $KEY_MATERIAL5
+echo "key5" | $CRYPTSETUP luksOpen -S 4 $LOOPDEV $DEV_NAME && fail
+[ -b /dev/mapper/$DEV_NAME ] && fail
+echo "key5" | $CRYPTSETUP luksOpen -S 5 $LOOPDEV $DEV_NAME || fail
+check_exists
+$CRYPTSETUP luksClose $DEV_NAME || fail
+echo -e "key5\nkey0" | $CRYPTSETUP luksAddKey -S 0 $LOOPDEV || fail
+check $LUKS_HEADER $KEY_SLOT0 $KEY_MATERIAL0
+echo "key5" | $CRYPTSETUP luksOpen -S 0 $LOOPDEV $DEV_NAME && fail
+[ -b /dev/mapper/$DEV_NAME ] && fail
+echo "key0" | $CRYPTSETUP luksOpen -S 5 $LOOPDEV $DEV_NAME && fail
+[ -b /dev/mapper/$DEV_NAME ] && fail
+# second, try it with keyfiles
+$CRYPTSETUP luksFormat -q -S 5 -d $KEY5 $LOOPDEV || fail
+check $LUKS_HEADER $KEY_SLOT5 $KEY_MATERIAL5
+$CRYPTSETUP luksAddKey -S 1 -d $KEY5 $LOOPDEV $KEY1 || fail
+check $LUKS_HEADER $KEY_SLOT1 $KEY_MATERIAL1
+$CRYPTSETUP luksOpen -S 5 -d $KEY5 $LOOPDEV $DEV_NAME || fail
+check_exists
+$CRYPTSETUP luksClose $DEV_NAME || fail
+$CRYPTSETUP luksOpen -S 1 -d $KEY5 $LOOPDEV $DEV_NAME && fail
+[ -b /dev/mapper/$DEV_NAME ] && fail
+$CRYPTSETUP luksOpen -S 5 -d $KEY1 $LOOPDEV $DEV_NAME && fail
+[ -b /dev/mapper/$DEV_NAME ] && fail
+