[16579] in cryptography@c2.net mail archive
Re: Cryptography Research wants piracy speed bump on HD DVDs
daemon@ATHENA.MIT.EDU (Matt Crawford)
Wed Dec 22 12:32:27 2004
X-Original-To: cryptography@metzdowd.com
X-Original-To: cryptography@metzdowd.com
Date: Wed, 22 Dec 2004 10:58:11 -0600
From: Matt Crawford <crawdad@fnal.gov>
In-reply-to: <20041215175456.GD32063@yzma.clarkk.net>
To: Taral <taral@taral.net>
Cc: cryptography@metzdowd.com
On Dec 15, 2004, at 11:54, Taral wrote:
> What stops someone using 3 players and majority voting on frame data
> bits?
As I understand it, they use such a huge number of bits for marking,
that any reasonably-sized assembly of players will still coincide on
some marked bits.
(However, I very much doubt whether they can blacklist all the players
in the assembly without blacklisting some "innocent" players as well!)
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