Chiffrer son disque dur

  1. cryptsetup luksFormat /dev/sdx1
  2. cryptsetup luksOpen /dev/sdx1 sdx1
  3. dd if=/dev/zero of=/dev/mapper/sdx1
  4. cryptsetup luksClose sdx1
  5. dd if=/dev/urandom of=/dev/sdx1 bs=1M count=1 conv=notrunc