From: Jim Choate <ravage@ssz.com>
Date: Mon, 19 Jan 1998 08:30:17 +0800
To: cypherpunks@ssz.com (Cypherpunks Distributed Remailer)
Subject: Re: Signed document - a thought... (fwd)
Message-ID: <199801190058.SAA19318@einstein.ssz.com>
MIME-Version: 1.0
Content-Type: text



Forwarded message:

> Date: Sun, 18 Jan 1998 21:06:28 GMT
> From: Adam Back <aba@dcs.ex.ac.uk>
> Subject: Re: Signed document - a thought...

> Sounds like you are describing something which is a variant of an
> interlock protocol.  The idea of an interlock protocol is that you
> send out first a hash of what you are intending to publish.
> 
> The MITM has a problem in deciding what to publish, because they have
> to publish _a_ hash, but they don't know what it should be of.  

Exactly. I hadn't heard of the term 'interlock protocol', thanks for
the tip. I'll look into it some more.


    ____________________________________________________________________
   |                                                                    |
   |       The most powerful passion in life is not love or hate,       |
   |       but the desire to edit somebody elses words.                 |
   |                                                                    |
   |                                  Sign in Ed Barsis' office         |
   |                                                                    | 
   |            _____                             The Armadillo Group   |
   |         ,::////;::-.                           Austin, Tx. USA     |
   |        /:'///// ``::>/|/                     http://www.ssz.com/   |
   |      .',  ||||    `/( e\                                           |
   |  -====~~mm-'`-```-mm --'-                         Jim Choate       |
   |                                                 ravage@ssz.com     |
   |                                                  512-451-7087      |
   |____________________________________________________________________|