A-B-a-b encryption

Anton Stiglic astiglic at okiok.com
Mon Nov 17 20:58:15 EST 2003

----- Original Message ----- 
From: "Jeremiah Rogers" <jeremiah at kingprimate.com>
To: "crypto list" <cryptography at metzdowd.com>
Sent: Sunday, November 16, 2003 12:50 PM
Subject: Re: A-B-a-b encryption

> This is Shamir's Three-Pass Protocol, described in section 22.3 of
> Schneier. It requires a commutative cryptosystem.
> - Jeremiah Rogers

Also described in HAC, protocol 12.22.
It's like basic DH, except it provides key transport instead of key


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