[651] in cryptography@c2.net mail archive
Re: At long last
daemon@ATHENA.MIT.EDU (Lewis McCarthy)
Wed Apr 30 11:05:16 1997
Date: Wed, 30 Apr 1997 01:10:26 -0400
From: Lewis McCarthy <lmccarth@cs.umass.edu>
To: Jim Thompson <jim@hosaka.SmallWorks.COM>
Jim Thompson writes:
> US Patent #4,200,700 (Diffie-Hellman key exchange) is scheduled to
> expire today, April 29, 1997.
Not since GATT -- the new expiration date is 20 years from the filing
date, which will be Sept. 6, 1997.
See the URL below for a summary posted to news:sci.crypt by Tim
Dierks a couple of months ago:
http://xp7.dejanews.com/dnquery.xp?search=word&query=*&maxhits=50&filter=%7bdnserver.db96q5%20%7b%7b%7eg%20sci.crypt%01%7ea%20Dierks%01%7edc%20%7b%7b1997/02/01%201997/02/02%7d%7d%7d%7d%7d
-Lewis
