From: David Scheidt <david@math.earlham.edu>
Date: Wed, 22 Nov 1995 03:56:32 +0800
To: s1113645@tesla.cc.uottawa.ca
Subject: Re: Proving I'm not Bob.
In-Reply-To: <Pine.3.89.9511211301.B20512-0100000@tesla.cc.uottawa.ca>
Message-ID: <Pine.NXT.3.91.951121142858.1144A-100000@litoria>
MIME-Version: 1.0
Content-Type: text/plain


On Tue, 21 Nov 1995 s1113645@tesla.cc.uottawa.ca wrote:

> I had an idea for an advertising based net-payment scheme that has 
> a particular security flaw making it totally untrustworthy unless it is
> possible to prove that you are not a particular person (the publisher 
> receiving the ad money) when consuming (viewing or otherwise) the ads.

What is this system?  I can't think of any system that wouldn't work if 
rearranged so that instead of proving you aren't Bob, you simply don't 
prove that you are.  It is true that they are not isomorphic, and that 
could be a problem in some situations, but I don't see this as one of them.

david
--------
David_Scheidt@math.earlham.edu

yip yip yip yap yap yak yap yip *BANG*  -- no terrier