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Re: GNU Privacy Guard license question

daemon@ATHENA.MIT.EDU (L. Sassaman)
Mon Jun 12 18:34:04 2000

Date: Mon, 12 Jun 2000 14:49:24 -0700 (PDT)
From: "L. Sassaman" <rabbi@quickie.net>
To: "P.J. Ponder" <ponder@freenet.tlh.fl.us>
Cc: cryptography@c2.net
In-Reply-To: <Pine.OSF.3.96.1000612112922.28581C-100000@fn3.freenet.tlh.fl.us>
Message-ID: <Pine.LNX.4.21.QNWS_2.0006121444530.22347-100000@thetis.deor.org>
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On Mon, 12 Jun 2000, P.J. Ponder wrote:

> -----BEGIN PGPENVELOPE PROCESSED MESSAGE-----
> 
> 
> from the documentation for GnuPG:
> http://www.gnupg.org/gph/en/pgp2x/t1.html
> 
> | Note: Using the extension modules idea.c and rsa.c without licensing the
> | patented algorithms they implement may be illegal. I do not recommend
> | you use these modules. If you have PGP 2.x keys, I suggest you revoke
> | them in favor of new keys and encourage correspondents who use PGP 2.x
> | keys to do the same.
> 
> Is this right?  If one obtained PGP 2.x legally, and used RSA and IDEA in
> conformance with the original license for personal use, would that license
> permit the use of the older PGP keys with Gnu Privacy Guard?

First of all, IANAL. But the RSA implementation in PGP or GnuPG is used
every time you encrypt/decrypt a message to an RSA key. So, even if the
key was generated with a licensed implementation of RSA, you would still
need to either have a license yourself for RSA or use RSAREF (in the
USA). GnuPG has an RSAREF module as well as an RSA module that Werner Koch
wrote (I believe he based it on OpenSSL). So if you decide you want to use
GnuPG and need RSA support, you are given the choice of which module to
use.
 
> Will this change in a couple of months when the RSA paptent expires?

The RSA side of things will, yes. But there is still the issue of
IDEA...



__

L. Sassaman

System Administrator                |  "If you chose not to decide, 
Technology Consultant               |  you still have made a choice" 
icq.. 10735603                      |  
pgp.. finger://ns.quickie.net/rabbi |                    --Rush







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