Re: [openpgp] Deprecating SHA1

Benjamin Kaduk <kaduk@mit.edu> Tue, 27 October 2020 06:06 UTC

Return-Path: <kaduk@mit.edu>
X-Original-To: openpgp@ietfa.amsl.com
Delivered-To: openpgp@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 254D53A15B6 for <openpgp@ietfa.amsl.com>; Mon, 26 Oct 2020 23:06:16 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -1.898
X-Spam-Level:
X-Spam-Status: No, score=-1.898 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001] autolearn=unavailable autolearn_force=no
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 vxPreH76ncRa for <openpgp@ietfa.amsl.com>; Mon, 26 Oct 2020 23:06:14 -0700 (PDT)
Received: from outgoing.mit.edu (outgoing-auth-1.mit.edu [18.9.28.11]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 8A70B3A15B4 for <openpgp@ietf.org>; Mon, 26 Oct 2020 23:06:14 -0700 (PDT)
Received: from kduck.mit.edu ([24.16.140.251]) (authenticated bits=56) (User authenticated as kaduk@ATHENA.MIT.EDU) by outgoing.mit.edu (8.14.7/8.12.4) with ESMTP id 09R663wQ024937 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 27 Oct 2020 02:06:08 -0400
Date: Mon, 26 Oct 2020 23:06:03 -0700
From: Benjamin Kaduk <kaduk@mit.edu>
To: Jon Callas <joncallas=40icloud.com@dmarc.ietf.org>
Cc: "openpgp@ietf.org" <openpgp@ietf.org>, Jon Callas <joncallas@icloud.com>
Message-ID: <20201027060603.GK39170@kduck.mit.edu>
References: <87sga5xg03.wl-neal@walfield.org> <20201024165354.GD860779@camp.crustytoothpaste.net> <B62148B4-41B6-49CC-ABA5-78852D76E51C@icloud.com>
MIME-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-Disposition: inline
In-Reply-To: <B62148B4-41B6-49CC-ABA5-78852D76E51C@icloud.com>
Archived-At: <https://mailarchive.ietf.org/arch/msg/openpgp/xXG9e8F-UkSFQmwKE2K86JgfKgI>
Subject: Re: [openpgp] Deprecating SHA1
X-BeenThere: openpgp@ietf.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: "Ongoing discussion of OpenPGP issues." <openpgp.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/openpgp>, <mailto:openpgp-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/openpgp/>
List-Post: <mailto:openpgp@ietf.org>
List-Help: <mailto:openpgp-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/openpgp>, <mailto:openpgp-request@ietf.org?subject=subscribe>
X-List-Received-Date: Tue, 27 Oct 2020 06:06:16 -0000

Hi Jon,

On Sat, Oct 24, 2020 at 06:01:09PM -0700, Jon Callas wrote:
> I'm reading this with a good deal of exasperation. I apologize in advance for my tone, and I am not at all sorry about the content.

Understood.

> * You can do plenty of other things. The standard is not a straightjacket. Implementers do not have to be fundamentalists nor textualists about it, either.

Indeed.  In fact, by my reading, the thread started with a request for help
thinking about what to actually do in implementations, with much less
regard for what to put in the standard.

I appreciate that you took the time to write up so many potential things to
do.

Thanks,

Ben