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Submission + - HDCP master key released, unlocks HDTV copy protec (engadget.com) 1

suraj.sun writes: HDCP master key released, unlocks HDTV copy protection permanently:

Just as the MPAA is preparing to offer movies to customers at home while they're still in theaters by limiting playback to DRM-protected digital outputs only, the HDCP protocol they rely on may have been cracked wide open.

All devices that support HDCP, like Blu-ray players, set-top boxes and displays with HDMI inputs, have their own set of keys to encrypt and decrypt protected data and if keys for a particular device are compromised, they can be revoked by content released in the future which will then refuse to play. Now, posts have been floating around on Twitter about a supposed "master key" which renders that protection unusable since it allows anyone to create their own source and sink keys.

Engadget: http://www.engadget.com/2010/09/14/hdcp-master-key-supposedly-released-unlocks-hdtv-copy-protect/

Comment Re:Nonsense. (Score 1) 405

you can already go to TI's site
download an OS image that TI has digitally signed
take an emulator.
and execute that os image and have a working TI calculator on your P.C.

The fact that it is "signed" cannot prevent this. To prevent this the _entire_ image has to encrypted. This is why the EFF is able to claim that it is not a copyright protection mechanism.

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