Chiffrer une clé USB
$ sudo cryptsetup --verbose --verify-passphrase luksFormat /dev/$sdb1 (1)
$ sudo cryptsetup luksOpen /dev/$sdb1 $luks_container (2)
$ sudo mkfs.ext3 /dev/mapper/$luks_container (3)
$ sudo mount /dev/mapper/$luks_container /media/cle (4)
$ sudo umount /media/cle && sudo cryptsetup luksClose /dev/mapper/$luks_container| 1 | $sdb1 is the partition to cipher, it can be the 1st patition of the USB key you just plugged-in |
| 2 | $luks_container is the name you chose to open your container |
| 3 | Once mounted like a new peripheral, the LUKS container can be formatted |
| 4 | Then it just need to be mounted to access the content. |
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