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From bon@elektron.ikp.physik.tu-darmstadt.de Fri, 8 Oct 1999 18:31:31 +0200 (MEST)
Date: Fri, 8 Oct 1999 18:31:31 +0200 (MEST)
From: Uwe Bonnes bon@elektron.ikp.physik.tu-darmstadt.de
Subject: [Livid-dev] Brute force key recovery

Hallo,

has there been any action to set up a brute force key recovery scheme
for the DVD keys like it has been done for normal message encrytion?

Bye

Uwe Bonnes bon@elektron.ikp.physik.tu-darmstadt.de

Institut fuer Kernphysik Schlossgartenstrasse 9 64289 Darmstadt
--------- Tel. 06151 162516 -------- Fax. 06151 164321 ----------

From aholtzma@ess4.engr.UVic.CA Fri, 8 Oct 1999 13:21:00 -0700
Date: Fri, 8 Oct 1999 13:21:00 -0700
From: Aaron Holtzman aholtzma@ess4.engr.UVic.CA
Subject: [Livid-dev] Brute force key recovery

Since the source hasn't been released, there probably isn't much
point to this yet. Why not wait a little on this and see what shakes
out :)

cheers,
aaron

It would seem that Uwe Bonnes (bon@elektron.ikp.physik.tu-darmstadt.de) said:
> Hallo,
> 
> has there been any action to set up a brute force key recovery scheme
> for the DVD keys like it has been done for normal message encrytion?
> 
> Bye
> 
> Uwe Bonnes bon@elektron.ikp.physik.tu-darmstadt.de
> 
> Institut fuer Kernphysik Schlossgartenstrasse 9 64289 Darmstadt
> --------- Tel. 06151 162516 -------- Fax. 06151 164321 ----------
> 
> 
> _______________________________________________
> Livid-dev maillist - Livid-dev@livid.on.openprojects.net
> http://livid.on.openprojects.net/mailman/listinfo/livid-dev

From nobody@replay.com Fri, 8 Oct 1999 22:53:00 +0200 (CEST)
Date: Fri, 8 Oct 1999 22:53:00 +0200 (CEST)
From: Anonymous nobody@replay.com
Subject: [Livid-dev] (no subject)

Don't worry about the player keys... It won't be a problem.
The computational effort to find new ones is minimal [15 hrs for all 400 
keys on a dual processor machine, assuming you know the title key. Another 
30 hrs on the same machine if you don't].

Other interesting things:
Many of the 400 keys are the same.

Players can and do have > 1 key.

Brute forcing the player keys on a disk gives you a set of potential 
keys... But some of them won't work in general [they just happen have the 
same mapping for the particular encrypted text].

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