1996-02-20 - Re: Internet Privacy Guaranteed ad (POTP Jr.)

Header Data

From: “Richard J. Coleman” <coleman@math.gatech.edu>
To: cypherpunks@toad.com
Message Hash: ed25e870357e723fddeb17dac2166f69711a60b38a8c454da8eec5619c15468e
Message ID: <199602200340.WAA16734@redwood.skiles.gatech.edu>
Reply To: <Pine.BSD/.3.91.960219183616.5326D-100000@citrine.cyberstation.net>
UTC Datetime: 1996-02-20 06:51:46 UTC
Raw Date: Tue, 20 Feb 1996 14:51:46 +0800

Raw message

From: "Richard J. Coleman" <coleman@math.gatech.edu>
Date: Tue, 20 Feb 1996 14:51:46 +0800
To: cypherpunks@toad.com
Subject: Re: Internet Privacy Guaranteed ad (POTP Jr.)
In-Reply-To: <Pine.BSD/.3.91.960219183616.5326D-100000@citrine.cyberstation.net>
Message-ID: <199602200340.WAA16734@redwood.skiles.gatech.edu>
MIME-Version: 1.0
Content-Type: text/plain

> Perhaps so, but our system does employ a true hardware generated OTP, and 
> operates similiar to what you describe -  however, the important 
> differernce is that we use a smal;l OTP to generate a larger OTP, like 
> stringing the cable across the Golden Gate narrows. Just becuase we 
> convert over from a full OTP to a prime number wheel system configured 
> from the OTP doers not mnean that the result is not an OTP - in theory it 
> is simple to break RSA systems, but factoring a 2048 bit number, or 4096 
> number, or whatever, makes the problem enormous  - our system for large 
> messages/files is similiar in difficult except that it is much nearer 
> an 8192 bit number than 2048. The possibilities to be examined ar4e so 
> large, that iot is not possible to solve then with a computer, even if 
> all the particles in the iuniverse, all 10 to the 80 power of then were 
> a Cray T3E, or better.  Furthermore, all you would get would be all the 
> possiblilities which would be everything!

I'm way out of my league here, but using a small OTP to create a
larger OTP seems impossible on information theoretic grounds.

Richard Coleman