Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10.3 4.3bsd-beta 6/6/85; site ucbjade.BERKELEY.EDU Path: utzoo!linus!philabs!cmcl2!seismo!lll-crg!lll-lcc!vecpyr!amd!amdcad!decwrl!ucbvax!ucbjade!newton2 From: newton2@ucbtopaz.BERKELEY.EDU Newsgroups: net.ham-radio Subject: Re: Re: Eavesdropping revisited [How's that again?] Message-ID: <161@ucbjade.BERKELEY.EDU> Date: Tue, 19-Nov-85 01:16:31 EST Article-I.D.: ucbjade.161 Posted: Tue Nov 19 01:16:31 1985 Date-Received: Sat, 23-Nov-85 10:05:48 EST References: <154@pyuxv.UUCP> <138@hydra.UUCP> <579@kitty.UUCP> Sender: network@ucbjade.BERKELEY.EDU Reply-To: newton2@ucbtopaz.UUCP () Distribution: net Organization: University of California, Berkeley Lines: 11 Keywords: Passing encryption keys It astonishes me how often the brash assertiveness of a posting scales inversely with the knowledge and authority of the poster. Comes now Larry Lippman, who says cellular speech encryption could never work because a huge database of key pairs would have to include every possible user/transaction. And don't try passing keys before each transaction-- he's thought of that! Has he heard of Diffie and Hellman? Shamir, Rivest and Adleman? Oh.... Never mind.... Doug Maisel