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A lone hacker has unlocked the master key preventing the copying of high-definition DVDs in a development that is sure to get the entertainment industry's knickers wrapped tighter than a magnet's coil. What's more, the individual was able to defeat the technology with no cracking tools or reverse engineering, despite the millions of dollars and many years engineers put into developing the AACS (Advanced Access Content System) for locking down high-definition video.
A hacker going by the name arnezami on the Doom9 discussion boards, has been hard at work for at least the past eight days, when he first claimed to have discovered how to read the volume ID of the movie King Kong. Over the coming days, he documented his progress, with the Eureka moment occurring on Sunday, when he was able to confirm the validity of his method for identifying the processing key. Combining the two allowed him to unlock the copy protection.
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Forum participants continue to debate the implications of arnezami's handiwork. What's known for sure is that his hack unlocks the encryption used to protect content on every Blu-ray and HD DVD disc released to date. Several participants have downplayed the significance of the discovery, reasoning that it could be undermined in the future if the keys are changed or revoked.
But arnezami and others argue it will not be possible for copyright holders to squeeze the toothpaste back into the tube. If a processing key is revoked, hackers can use a player compatible with the new one, insert a disc that's already been cracked, and sniff around in memory for the new processing key.
This week's hack is only the latest sign that the plan to prevent the copying of digital content is less straightforward than Hollywood hoped. Over the past two months, a hacker on the same discussion board who goes by the nick muslix64 disclosed other ways to circumvent copy protections in Blu-ray and HD DVD. Unlike arnezami's method, however, the earlier approach relies on obtaining the unique key for a particular title, making the hack more cumbersome.
A hacker going by the name arnezami on the Doom9 discussion boards, has been hard at work for at least the past eight days, when he first claimed to have discovered how to read the volume ID of the movie King Kong. Over the coming days, he documented his progress, with the Eureka moment occurring on Sunday, when he was able to confirm the validity of his method for identifying the processing key. Combining the two allowed him to unlock the copy protection.
>
Forum participants continue to debate the implications of arnezami's handiwork. What's known for sure is that his hack unlocks the encryption used to protect content on every Blu-ray and HD DVD disc released to date. Several participants have downplayed the significance of the discovery, reasoning that it could be undermined in the future if the keys are changed or revoked.
But arnezami and others argue it will not be possible for copyright holders to squeeze the toothpaste back into the tube. If a processing key is revoked, hackers can use a player compatible with the new one, insert a disc that's already been cracked, and sniff around in memory for the new processing key.
This week's hack is only the latest sign that the plan to prevent the copying of digital content is less straightforward than Hollywood hoped. Over the past two months, a hacker on the same discussion board who goes by the nick muslix64 disclosed other ways to circumvent copy protections in Blu-ray and HD DVD. Unlike arnezami's method, however, the earlier approach relies on obtaining the unique key for a particular title, making the hack more cumbersome.
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