Crack in Blu-ray, HD DVD encryption gets wider

Wednesday, 14 February 2007, 1:18 PM EST

A poster named arnezami on the Doom9 forums has claimed to have found a method of extracting the Volume ID signatures from both HD DVD and Blu-ray discs, which could make it easier for hackers to extract an unprotected version of the high-resolution video and audio content from store-bought titles.

The previous method, developed by other Doom9 members jokin and Muslix64, used a technique that scanned memory locations used by the software player WinDVD while a disc was playing, and from there extracted the Volume Unique Key for that particular disc.

At Ars Technica.

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