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DVD Decrypter is a software application for Microsoft Windows that can create backup disk images of the DVD-Video structure of DVDs.It can be used to make a copy of any DVD protected with Content Scrambling System (CSS).
DeCSS is one of the first free computer programs capable of decrypting content on a commercially produced DVD video disc. Before the release of DeCSS, free and open source operating systems (such as BSD and Linux ) could not play encrypted video DVDs.
In order to decrypt a DVD-Video, the player reads the disc-key-block and uses its player-key to decrypt the disc-key. Thereafter, the player reads the title-keys and decrypts them with the disc-key. A different title-key can be assigned for the Video Manager and for each Video Title Set. The title-keys are used to decrypt the encrypted Packs. [5]
One form of input is DVD-Video stored on a DVD, in an ISO image of a DVD, or on any data storage device as a VIDEO_TS folder. As with DVDs, HandBrake does not directly support the decryption of Blu-ray discs. However, HandBrake can be used to transcode a Blu-ray disc if DRM is first removed using a third-party application. [15]
AnyDVD and AnyDVD HD are the same software, but the license key determines whether the HD aspects of the software are available to the user. When the HD part of the software is enabled it permits access to HD DVDs and Blu-ray Discs, including decryption of AACS-encrypted discs. In the case of Blu-ray Discs, it also supports region code removal ...
BackupHDDVD is a small computer software utility program available in command line and GUI versions which aids in the decryption of commercial HD DVD discs protected by the Advanced Access Content System.
libdvdcss (or libdvdcss2 in some repositories) is a free and open-source software library for accessing and unscrambling DVDs encrypted with the Content Scramble System (CSS). libdvdcss is part of the VideoLAN project and is used by VLC media player and other DVD player software packages, such as Ogle, xine-based players, and MPlayer.
K9Copy facilitates several methods for backing up a DVD and uses libdvdcss to circumvent CSS copy protection if installed. [3] The software enables direct backup of a single layer DVD-5 provided the user's computer has a DVD recorder. Likewise, direct backup of a dual layer DVD-9 is possible with a dual layer DVD recorder.