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Re: DVD copying and CSS



On Sat, Feb 21, 2004 at 08:38:44PM -0600, Joel Konkle-Parker wrote:
> With the recent injunction granted against 321 Studios for their DVD X 
> Copy software for copying DVDs, I've been wondering something. Why is it 
> necessary to break CSS encryption to make a copy? Could you not make a 
> bit-for-bit copy of the DVD and have the contents still be encrypted on 
> the new medium? I mean, copying an mp3 file from one cd to another 
> doesn't require you to decode it first.

Consumer grade media doesn't allow you to record the CSS key on the medium.
I think it's preburned with 0s or something like that. So you can only store
unencrypted video on them.

Bijan
-- 
Bijan Soleymani <bijan@psq.com>
http://www.crasseux.com

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