Can a Number be Copyrighted?
The so-called “Processing Key” that unlocks the heart of every Blu-Ray and HD-DVD disk to date has been published, oddly enough, in a DMCA takedown notice, and is now widely available on the Internet.
09 F9 11 02 9D 74 E3 5B D8 41 56 C5 63 56 88 BD
09 F9 11 02 9D 74 E3 5B D8 41 56 C5 63 56 88 BE
09 F9 11 02 9D 74 E3 5B D8 41 56 C5 63 56 88 BF
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09 F9 11 02 9D 74 E3 5B D8 41 56 C5 63 56 88 C1
09 F9 11 02 9D 74 E3 5B D8 41 56 C5 63 56 88 C2
09 F9 11 02 9D 74 E3 5B D8 41 56 C5 63 56 88 C3
From Wired:
AACS, a DRM scheme used to encrypt data on HD-DVD and Blu-Ray disks, would appear to be cracked wide open by that short string of hexadecimal codes, as previously, only disk-specific Volume Keys were compromised. The new hack is the work of Arnezami, a hacker posting at the doom9 forums, fast becoming the front line in the war on DRM.