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From: andy@rocky.UUCP
Newsgroups: sci.crypt,comp.misc
Subject: Re: public key encryption and RSA patent status
Message-ID: <597@rocky.STANFORD.EDU>
Date: Thu, 17-Sep-87 20:00:10 EDT
Article-I.D.: rocky.597
Posted: Thu Sep 17 20:00:10 1987
Date-Received: Sat, 19-Sep-87 10:22:38 EDT
References: <1372@osiris.UUCP> <441@polyslo.UUCP> <686@sugar.UUCP> <1490@epimass.EPI.COM> <25@nl.cs.cmu.edu>
Reply-To: andy@rocky.UUCP (Andy Freeman)
Organization: Stanford University Computer Science Department
Lines: 16
Keywords: RSA patent
Xref: utgpu sci.crypt:501 comp.misc:1098

In article <25@nl.cs.cmu.edu> mlm@nl.cs.cmu.edu (Michael Mauldin) writes:
>    o the general notion of using C = M^E mod pq

I believe that the patent covers the use of this equation for
a specific purpose.  Patents protect applications of phenomena,
not the phenomena.  The patent doesn't cover other uses of this
equation.

-andy

ps - The "pencil and paper" rule is bogus.  Copiers are patentable.
-- 
Andy Freeman
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ARPA:  andy@sushi.stanford.edu
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