Last December, a hacker named “Muslix64” circumvented HD DVD copy protection, resulting in the release of pirated copies on the Internet. Less than one month later, the same Muslix64, with the help of another hacker, was able to crack the encryption on Blu-ray Discs.
On Sunday, another Doom9 forum poster named “arnezami” presented the next great breakthrough in HD DVD and Blu-ray Disc decryption. Previously, every HD movie needed its own unique key in order to be decrypted; but with arnezami’s discovery, there is one key to rule them all -- at least for now, until the Advanced Access Content System Licensing Administrator gets on it.
What arnezami found was the Processing Key, which appears to be the silver bullet in decrypting all existing HD DVD and Blu-ray Discs. Arnezami was armed only with an Xbox 360 HD DVD player and the bundled King Kong movie. Other Doom9 forum contributors posted their keys to HD DVD movies such as The Departed and Spy Game, which were proved decryptable using the Processing Key.
Figuring that the copy protection schemes on Blu-ray Disc are similar to HD DVD, other posters reported data from Talladega Nights and House of Flying Daggers, which were also decrypted using the Processing Key found from King Kong.
Source: DailyTech
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