14
Feb
07

Blu-Ray and HD-DVD broken

A good article by the great writer Cory Doctorow, it really seems that all DRM is doomed and will eventually be phased out.

Arnezami, a hacker on the Doom9 forum, has published a crack for extracting the “processing key” from a high-def DVD player. This key can be used to gain access to every single Blu-Ray and HD-DVD disc. Previously, another Doom9 user called Muslix64 had broken both Blu-Ray and HD-DVD by extracting the “volume keys” for each disc, a cumbersome process. This break builds on Muslix64’s work but extends it — now you can break all AACS-locked discs.

AACS took years to develop, and it has been broken in weeks. The developers spent billions, the hackers spent pennies.

For DRM to work, it has to be airtight. There can’t be a single mistake. It’s like a balloon that pops with the first prick. That means that every single product from every single vendor has to perfectly hide their keys, perfectly implement their code. There can’t be a single way to get into the guts of the code to retrieve the cleartext or the keys while it’s playing back. All attackers need is a single mistake that they can use to compromise the system.

Article here – Boing Boing


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