cryptsetup

Cryptsetup is a utility used to conveniently setup disk encryption based on the dm-crypt kernel module

Used by the Gnome Disk Utility to encrypt/decrypt, open/close volumes

Manual unlock/open

To unlock/open a LUKS encrypted volume and create a new device which will be in plain text

The plain text device will be under /dev/mapper/your-label-name

This can be mounted with

This can also be mounted by the file manager by clicking on it

Manual lock/close

To remove the volume

To lock/close a LUKS encrypted volume and remove the plain text device

Encryption/Decryption used by a LUKS volume

To see more information about the encrypted drive/partition/file

Reference

Startup, /etc/init/cryptdisks-enable.conf (start)

package cryptsetup, cryptsetup-bin

code.google.com/p/cryptsetup/w/list

/usr/share/doc/cryptsetup/