If you want to rip encrypted DVD discs, you need to install a DVD playback library named HandBrake libdvdcss, which can help HandBrake decode DVDs with copy protection. It is also able to rip DVD or Blu-ray sources without copy protection to digital video formats so that you can easily play them in multiple media players.
HandBrake is a well known open source video converter that can convert videos from nearly any format to a selection of modern and widely supported video formats.
