encrypted filesystems

Block devices can be crypted with dm-crypt and a master password. It is also possible to protect the crypt with more than 1 passwortd, this method is called LUKS.
Encrypt blockdevice sda12:

Now you see a new block device in the mapper directory called crypt1. You can write a filesystem on it

after that you can mount it as normal block device

Show status

Umount it

Close crypted block device

Open crypted block device again:

Encrypt with LUKS





Close encrypted block device

Show infos

Add additional key (max 8):

ecryptfs

Mount encrypted filesystem from directory /home/tn06/ecryptfs-input