#!/bin/bash
### Inserisci qui la partizione SWAP del sistema
SWAP=/dev/hda666

### Inserisci qui la partizione LOOP da usare
LOOP=/dev/loop1

### Seleziona un algoritmo di compressione
### decommentando quello preferito

ALG=twofish
#ALG=sha256
#ALG= serpent
#ALG=des
#ALG=cast5
#ALG=sha512
#ALG=sha1
#ALG=cast6
#ALG=blowfish
#ALG=aes




case "$1" in 
	start)
		echo -n "Initializing encrypted swap space...."
		/bin/dd if=/dev/urandom bs=1c count=32 \
		2> /dev/null | /usr/bin/mimencode | \
		/sbin/losetup -p0 -e $ALG $LOOP $SWAP
		
		/sbin/mkswap $LOOP > /dev/null 2>&1
		/sbin/swapon $LOOP
		echo "done."
		;;
	stop)
		echo -n "Umounting encrypted swap space..."
		/sbin/swapoff $LOOP
		/sbin/losetup -d $LOOP
		/bin/sync
		echo "done."
		;;
	status)
		/bin/cat /proc/swaps
		;;
	restart)
		$0 stop
		$0 start
		;;
	*)
		echo "Usage: $0{start|stop|restart|status}"
		exit 1
esac