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  2. List of Compact Disc and DVD copy protection schemes

    en.wikipedia.org/wiki/List_of_Compact_Disc_and...

    SafeDisc (versions 1–5) Adds unique digital signature at the time of manufacturing which is designed to be difficult to copy or transfer so that software is able to detect copied media. SafeCast The encryption key will expire after pre-determined date so the media can be used only temporarily. Also used to implement trial editions of programs ...

  3. Advanced Access Content System - Wikipedia

    en.wikipedia.org/wiki/Advanced_Access_Content_System

    AACS uses cryptography to control and restrict the use of digital media. It encrypts content under one or more title keys using the Advanced Encryption Standard (AES). Title keys are decrypted using a media key (encoded in a Media Key Block) and the Volume ID of the media (e.g., a physical serial number embedded on a pre-recorded disc).

  4. AnyDVD - Wikipedia

    en.wikipedia.org/wiki/AnyDVD

    AnyDVD is a device driver for Microsoft Windows which allows decryption of DVDs on the fly, as well as targeted removal of copy preventions and user operation prohibitions (UOPs). With an upgrade, it will also do the same for HD DVD and Blu-ray Disc. The AnyDVD program runs in the background, making discs unrestricted and region-free.

  5. DeCSS - Wikipedia

    en.wikipedia.org/wiki/DeCSS

    A fragment of the DeCSS code, which can be used by a computer to circumvent a DVD's copy protection.. DeCSS is one of the first free computer programs capable of decrypting content on a commercially produced DVD video disc.

  6. List of copy protection schemes - Wikipedia

    en.wikipedia.org/wiki/List_of_copy_protection...

    The BD+ virtual machine embedded in authorized players will execute programs included in Blu-ray discs, allowing to verify the player's keys, transform the output so that content is unscrambled, and/or execute native code to patch the system against vulnerabilities. Based on concept of self-protecting digital content. ROM-Mark

  7. Content Scramble System - Wikipedia

    en.wikipedia.org/wiki/Content_Scramble_System

    It has been superseded by newer DRM schemes such as Content Protection for Recordable Media (CPRM), or by Advanced Encryption Standard (AES) in the Advanced Access Content System (AACS) DRM scheme used by HD DVD and Blu-ray Disc, which have 56-bit and 128-bit key sizes, respectively, providing a much higher level of security than the less ...