Licensing agencies are key managers of the entire system and are responsible for issuing CRLs and CCs (Content Certificates).Įven though AACS protection has been built in many video contents to prevent from illegal use, in our daily life, it is really quite inconvenient to play and share the Blu-ray contents with AACS encryption. The AACS system includes a complete set of key management mechanisms, and the entire protection system includes a total of 4 entities: Content Owner, Licensed Replicator, Legalized Player, and Licensed Entity (Licensing Authority). It has a complete set of methods and technologies for content encryption, including encryption, decryption, key management and renewable encryption methods, variable file use licenses and permissions. In fact, AACS itself is a complete encryption system. AACS does not only include the formats that CSS can support, but also focuses on two high-definition images-HD-DVD and Blu-ray provide protection. We know that the CSS system has a narrow application range and is generally only used for DVD-9, DVD-5 and other standard-definition image data. AACS is a copyright protection technology adopted by Blu-ray Disc and HD DVD next-generation discs. "AACS (Advanced Access Content System)" is a copyright protection encryption technology jointly developed by IBM, Intel, Microsoft, Panasonic, Sony, Toshiba, Disney, Warner and other information, home appliances and Hollywood studios, and has won competition from each other Adoption of two next-generation high-definition DVD standards, Blu-ray and HD DVD. Part 5: Other Tools to Remove AACS Protection.Part 4: How to Remove AACS Protection on Blu-ray Movie.Part 3: Best Tool to Remove AACS Blu-ray Protection.
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