Re: [Cfrg] OCB patents expired?

Greg Rose <ggr@seer-grog.net> Wed, 06 April 2016 00:23 UTC

Return-Path: <ggr@seer-grog.net>
X-Original-To: cfrg@ietfa.amsl.com
Delivered-To: cfrg@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 9924B12D155 for <cfrg@ietfa.amsl.com>; Tue, 5 Apr 2016 17:23:49 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.49
X-Spam-Level:
X-Spam-Status: No, score=-2.49 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, RCVD_IN_DNSWL_LOW=-0.7, T_DKIM_INVALID=0.01] autolearn=ham autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=fail (1024-bit key) reason="fail (message has been altered)" header.d=seer-grog.net
Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id gx21jxnbZ08s for <cfrg@ietfa.amsl.com>; Tue, 5 Apr 2016 17:23:48 -0700 (PDT)
Received: from homiemail-a75.g.dreamhost.com (sub3.mail.dreamhost.com [69.163.253.7]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id EEA1212D121 for <cfrg@irtf.org>; Tue, 5 Apr 2016 17:23:47 -0700 (PDT)
Received: from homiemail-a75.g.dreamhost.com (localhost [127.0.0.1]) by homiemail-a75.g.dreamhost.com (Postfix) with ESMTP id 996325EC07C; Tue, 5 Apr 2016 17:23:47 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=seer-grog.net; h=subject :mime-version:content-type:from:in-reply-to:date:cc:message-id :references:to; s=seer-grog.net; bh=WgkFTEbiniN4eLdjxA2laHk3FRI= ; b=kYK3lFrKzlkrqC9aAG5tW4zp7k3c8AN9zF02Q26hMiYvypYVi27/hNz++KKA 2el7gs/u+/hgMU2MB7R5d1WqX3w4kcIBwU1fZTtFNWHoowIypjBI80UN6hOg4Z4F VpphtWdoNBW/Gnzk9QGM6l2Da2aUJ/UeNVTROm0yiqJBi8I=
Received: from [10.0.1.5] (cpe-76-167-195-197.san.res.rr.com [76.167.195.197]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) (Authenticated sender: ggr@seer-grog.net) by homiemail-a75.g.dreamhost.com (Postfix) with ESMTPSA id 7BE095EC079; Tue, 5 Apr 2016 17:23:47 -0700 (PDT)
Mime-Version: 1.0 (Mac OS X Mail 9.2 \(3112\))
Content-Type: multipart/signed; boundary="Apple-Mail=_57EAA971-7556-4C37-B858-3AE2D6FD74C1"; protocol="application/pgp-signature"; micalg="pgp-sha1"
X-Pgp-Agent: GPGMail 2.6b2
From: Greg Rose <ggr@seer-grog.net>
In-Reply-To: <77FF4992-AB83-4F56-8DC1-A989F1AC246A@azet.org>
Date: Tue, 05 Apr 2016 17:23:42 -0700
Message-Id: <46247E92-CA27-46F5-9EE3-1E50DE92AFEA@seer-grog.net>
References: <CAHOTMVKMUC=o+znJVuACza09i2tsDZcOfkoyyqiQTeMKf9pU1Q@mail.gmail.com> <D3240AB4.29B97%uri@ll.mit.edu> <CACz1E9q5aBJwyFgH5Hi3_g_TwD5LXdNxGHCb-getKUPcSRFngA@mail.gmail.com> <181BD549-B2D0-4E42-A448-9213D86F0358@seer-grog.net> <77FF4992-AB83-4F56-8DC1-A989F1AC246A@azet.org>
To: Aaron Zauner <azet@azet.org>
X-Mailer: Apple Mail (2.3112)
Archived-At: <http://mailarchive.ietf.org/arch/msg/cfrg/Pa1yBSibe0T3EOdRenY7QWyJN2Q>
Cc: "cfrg@irtf.org" <cfrg@irtf.org>
Subject: Re: [Cfrg] OCB patents expired?
X-BeenThere: cfrg@irtf.org
X-Mailman-Version: 2.1.17
Precedence: list
List-Id: Crypto Forum Research Group <cfrg.irtf.org>
List-Unsubscribe: <https://www.irtf.org/mailman/options/cfrg>, <mailto:cfrg-request@irtf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/cfrg/>
List-Post: <mailto:cfrg@irtf.org>
List-Help: <mailto:cfrg-request@irtf.org?subject=help>
List-Subscribe: <https://www.irtf.org/mailman/listinfo/cfrg>, <mailto:cfrg-request@irtf.org?subject=subscribe>
X-List-Received-Date: Wed, 06 Apr 2016 00:23:49 -0000

> On Apr 5, 2016, at 16:38 , Aaron Zauner <azet@azet.org> wrote:
> 
> Hi,
> 
>> On 01 Apr 2016, at 18:50, Greg Rose <ggr@seer-grog.net> wrote:
>> 
>> There are also patents in this area from Virgil Gligor, about the same time. I haven't looked at them recently.
> 
> 
> These patents were filed after relevant OCB and IAPM patents. I'm not very familiar with US patent law nor am I a lawyer but I'm told that this makes any claims irrelevant.
> 
> See also: https://www.ietf.org/mail-archive/web/tls/current/msg18252.html

I don't want to start a legal flame war, but at the time, the rules were "first to invent" not "first to file" (which is relatively recent to the US). It's theoretically possible that there is documentation supporting his patent. Anyway, I agree it's probably irrelevant.

Greg.

Phone:  +1 619 890 8236
GPG/PGP:  1081A37C  232B EC8F 44C6 C853 D68F  E107 E6BF CD2F 1081 A37C