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The specification was publicly released in April 2005. The standard has been adopted as the access restriction scheme for HD DVD and Blu-ray Disc (BD). It is developed by AACS Licensing Administrator, LLC (AACS LA), a consortium that includes Disney, Intel, Microsoft, Panasonic, Warner Bros., IBM, Toshiba and Sony.
The processing key in this tree, a requirement to play the AACS encrypted discs, is selected based on the device key and the information on the disc to be played. As such, a processing key such as the "09 F9" key is not revoked, but newly produced discs cause the playback devices to select a different valid processing key to decrypt the discs. [22]
Initially, it was thought that the compromise of HD DVD's security would entice some studios into adopting the competing Blu-ray format, but Blu-ray's AACS implementation has since been circumvented using a similar method. However, Blu-ray offers an additional layer of protection called BD+.
Is Hollywood's new DRM posterchild AACS (Advanced Access Content System, see more here) actually quite breakable? ... as AACS is the copy protection scheme used not only by HD DVD, but by Blu-ray ...
But, in fact, that's not the case; AACS (Advanced Access Content System), one of the many copy protection standards being folded into high definition discs, is holding up both standards, and so ...
Is one of only three professional Blu-ray encoding software products on the market today. Originally developed as an HD DVD-only tool, it was re released in 2008 for Blu-ray. It is a complete BD-ROM spec compliant tool with AACS support, BDCMF formatting, BD-J support. The tool includes a point and click graphical user interface.
While great care had been taken with AACS to ensure that content was encrypted along the entire path from the disc to the display device, it was discovered in July 2006 that a perfect copy of any still frame from a film could be captured from certain Blu-ray and HD DVD software players by using the Print Screen function of the Windows operating ...
Blu-Ray or HD-DVD have as content the encrypted data (usually video), the Volume ID (VID), the Encrypted Title Key(s) and the MKB.The MKB is also found encrypted in the disc to prevent it from being extracted off the disc and being manipulated and/or reproduced by another non authorized device.