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Copy protection hole in Blu-ray and HD DVD movies
>> From heise-security.co.uk:
[QUOTE]
The Blu-ray Disc and HD DVD are new data carriers for high-resolution motion pictures. For fear of piracy, Hollywood had the developers install a cornucopia of copy prevention mechanisms on them. For instance, the film data on the disks are protected by means of the Advanced Access Content System (AACS). Digital output only reaches the monitor via connections encrypted by means of High Bandwidth Digital Content Protection (HDCP). This copy protection chain is designed to ensure that no unencrypted data can be grabbed.
But this security chain has a giant hole. Computer magazine c't has discovered that the first software players running on Windows XP allow screenshots of the movies to be created in full resolution. To do so, you only need to press the Print key on your keyboard while the movie is running. Such a screenshot function could then be automated to produce copies of HD movies both from Blu-ray Discs and from HD DVDs picture by picture. As c't calculated, the performance of current PC systems is sufficient for a clean recording using this procedure. Once a pirate has all of the individual pictures, they can be put together to create a complete movie and mixed with the audio track that is grabbed separately.
When asked to comment, Toshiba confirmed the security hole found by c't, which affects the computers already sold, and announced updates for the player software and graphics card driver. These new software versions should disable the screenshot function.
[/QUOTE]
Read More: heise-security.co.uk
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