SUSE & OpenSUSE: "TrueCrypt is a free opensource software system for establishing and maintaining an on-the-fly-encrypted volume http://newsadmin.linuxtoday.com/(data storage device).
On-the-fly encryption means that data are automatically encrypted or decrypted right before they are loaded or saved, without any user intervention.
No data stored on an encrypted volume can be read (decrypted) without using the correct password/keyfile(s) or correct encryption keys.".
