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Re: Cryptography Research wants piracy speed bump on HD DVDs

daemon@ATHENA.MIT.EDU (Ian Grigg)
Wed Dec 22 11:20:20 2004

X-Original-To: cryptography@metzdowd.com
X-Original-To: cryptography@metzdowd.com
In-Reply-To: <p06110462bde5fab523e0@[68.167.57.91]>
Date: Wed, 15 Dec 2004 12:08:49 -0500 (EST)
From: "Ian Grigg" <iang@systemics.com>
To: cryptography@metzdowd.com
Reply-To: iang@systemics.com

> What CR does instead is much simpler and more direct. It tries to cut off
> any player that has been used for mass piracy.

Let me get this right. ...

> "When a pirate makes a copy of a film encoded as SPDC, the output file is
> cryptographically bound to a set of player decryption keys. So it is easy
> when looking at a pirated work on a peer to peer network, or any copies
> found on copied DVDs, to identify which player made those copies," said
> Laren "When the content owner sends out any further content it can contain
> on it a revocation of just the player that was used to make a pirated copy."

A blockbuster worth $100m gets cracked ... and
the crack gets watermarked with the Id of the
$100 machine that played it.

> "We picture a message popping up on a screen saying something like 'Disney
> movies won't play on your player any more please call this number for
> further information.' Or perhaps 'To fix this please call Disney with your
> credit card,' something like that anyway.

So the solution is to punish the $100 machine by
asking them to call Disney with a CC in hand?

As described this looks like snake oil.  Is this
for real?

iang

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