Re: Recovery by Relocation.
- From: Jasper Janssen <jasper@xxxxxxxxxxxx>
- Date: Mon, 31 Jul 2006 12:08:36 GMT
On Sat, 29 Jul 2006 21:07:39 +0000 (UTC), Roger Burton West
Alan J Rosenthal wrote:
CSS prevents you from giving legally-copied
DVDs to your friends next door.
Except it doesn't. If you do a bit-for-bit copy, you don't need to worry
about cracking CSS at all. It's only if you want to _change_ things (or,
of course, actually get access to the content) that you need to decrypt
But you can't copy bit-for-bit, as certain bits of the css code depend of
a special several-byte string on the disk which is settable in pressed
DVDs but zeroed from the factory on writables. That's why you can't use
CSS on writable DVDs, apart from.. ooh, what was it, DVD-R-G, I think it
was, which doesn't have the requisite bytes zeroed and is/was used by DVD
production companies for testing. Naturally the drives and media for these
things ar both very, very expensive and only possible to get if you
account for what you do with 'em.
So the professional pirates are completely unaffected, while Joe Bloggs
who wants to play DVDs on his Linux computer... well, let's call him Jon
The professional pirates all deliver Region 0, non-CSS discs. *They* know
how to please the customer.
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