From: Gary Howland <gary@systemics.com>
Date: Thu, 14 Nov 1996 04:44:22 -0800 (PST)
To: rah@shipwright.com
Subject: Re: PGP3.0 & ElGamal
Message-ID: <199611141245.NAA25756@internal-mail.systemics.com>
MIME-Version: 1.0
Content-Type: text/plain


> At 10:43 pm -0500 11/13/96, Lucky Green wrote:
> >I agree. Support for soon to be patent free algrithms is a good thing. I
> >hope that in version 4.0, after the users had time to migrate to
> >DSS/ElGamal, PGP will fully move away from RSA.
> 
> Speaking of patent-free, :-), can you do blind signatures without RSA?

I think it is possible using the both Diffie-Hellman and the RPK algorithm
(developed by the New Zealand chap quite recently), although patents
probably apply to the latter algorithm.

Don't forget that for ecash style systems, only the *client* needs to
do the blinding, not the bank.

Gary
--
"Of course the US Constitution isn't perfect; but it's a lot better
than what we have now."  -- Unknown.

pub  1024/C001D00D 1996/01/22  Gary Howland <gary@systemics.com>
Key fingerprint =  0C FB 60 61 4D 3B 24 7D  1C 89 1D BE 1F EE 09 06