From: "Perry E. Metzger" <perry@imsi.com>
Date: Mon, 13 Feb 95 05:23:43 PST
To: cactus@seabsd.hks.net (A Loose Affiliation of Millionaires and   Billionaires and Babies)
Subject: Re: standards...
In-Reply-To: <199502130818.DAA25598@bb.hks.net>
Message-ID: <9502131323.AA20121@snark.imsi.com>
MIME-Version: 1.0
Content-Type: text/plain



A Loose Affiliation of Millionaires and Billionaires and Babies says:
> >  I.  Public key encryption.
> >      C.  Not limited to one public encryption scheme.
> 
> AFAIK, RSA is the only feasible PK scheme available.  There's eliptic
> curves, of course, but that's patented.

There are plenty of others, like Rabin's scheme, that are quite
practical, but just not used because they are all collectively
patented. After that patent expires in '97 things may change.

Perry