> On Tue, Jul 10, 2001 at 10:38:00PM +0200, peter k. wrote: > > 1) if an attacker has got some files which are on an (AES) encrypted device, > > will he be able to decrypt the whole device? > > It might help slightly, ie Known Plaintext Attack, but probably not a lot. > can a known plaintext attack be made impossible by creating 2 loopback crypto devices, one on the other one? for example: losetup -e AES128 /dev/loop0 /dev/hdb losetup -e AES128 /dev/loop1 /dev/loop0 mount -t ext2 /dev/loop1 /mnt/crypto Linux-crypto: cryptography in and on the Linux system Archive: http://mail.nl.linux.org/linux-crypto/