[10975] in cryptography@c2.net mail archive
Re: Ross's TCPA paper
daemon@ATHENA.MIT.EDU (Peter Fairbrother)
Tue Jun 25 23:16:49 2002
X-Envelope-To: Ross.Anderson@cl.cam.ac.uk
Date: Wed, 26 Jun 2002 04:05:30 +0100
From: Peter Fairbrother <zenadsl6186@zen.co.uk>
To: Ross Anderson <Ross.Anderson@cl.cam.ac.uk>,
Dan Geer <geer@TheWorld.com>
Cc: <cryptography@wasabisystems.com>, <cypherpunks@lne.com>
In-Reply-To: <E17MsgB-0006to-00@wisbech.cl.cam.ac.uk>
Ross Anderson wrote:
> I don't believe that the choice is both privacy and TCPA, or neither.
Neither do I.
> There may be symmetry when we consider the problem as theoretical
> computer scientists might, as an issue for abstract machines.
If one-way functions exist there is no such symmetry. While in theory such
functions cannot be proved to exist, in practice they are used a lot in
crypto etc.
-- Peter Fairbrother
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