Re: [Jmap] Last Call: <draft-ietf-jmap-smime-07.txt> (S/MIME signature verification extension to JMAP) to Proposed Standard

Russ Housley <housley@vigilsec.com> Tue, 24 August 2021 19:33 UTC

Return-Path: <housley@vigilsec.com>
X-Original-To: jmap@ietfa.amsl.com
Delivered-To: jmap@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id CCC0C3A0E48 for <jmap@ietfa.amsl.com>; Tue, 24 Aug 2021 12:33:08 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -1.897
X-Spam-Level:
X-Spam-Status: No, score=-1.897 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_NONE=0.001, URIBL_BLOCKED=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 MQawr_aLyEBS for <jmap@ietfa.amsl.com>; Tue, 24 Aug 2021 12:33:04 -0700 (PDT)
Received: from mail.smeinc.net (mail.smeinc.net [209.135.209.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 244AD3A0E52 for <jmap@ietf.org>; Tue, 24 Aug 2021 12:33:04 -0700 (PDT)
Received: from localhost (localhost [127.0.0.1]) by mail.smeinc.net (Postfix) with ESMTP id 95F6D300CBA for <jmap@ietf.org>; Tue, 24 Aug 2021 15:24:44 -0400 (EDT)
X-Virus-Scanned: amavisd-new at mail.smeinc.net
Received: from mail.smeinc.net ([127.0.0.1]) by localhost (mail.smeinc.net [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id HBb0OcAPggQy for <jmap@ietf.org>; Tue, 24 Aug 2021 15:24:42 -0400 (EDT)
Received: from a860b60074bd.fios-router.home (pool-141-156-161-153.washdc.fios.verizon.net [141.156.161.153]) by mail.smeinc.net (Postfix) with ESMTPSA id 9FAE0300BFC; Tue, 24 Aug 2021 15:24:42 -0400 (EDT)
Content-Type: text/plain; charset=us-ascii
Mime-Version: 1.0 (Mac OS X Mail 12.4 \(3445.104.21\))
From: Russ Housley <housley@vigilsec.com>
In-Reply-To: <162973643988.9956.6643048610278386263@ietfa.amsl.com>
Date: Tue, 24 Aug 2021 15:24:41 -0400
Cc: draft-ietf-jmap-smime@ietf.org, jmap-chairs@ietf.org, jmap@ietf.org, Last Call <last-call@ietf.org>
Content-Transfer-Encoding: quoted-printable
Message-Id: <70253C0A-38DF-4229-9105-36C63EC5DB4C@vigilsec.com>
References: <162973643988.9956.6643048610278386263@ietfa.amsl.com>
To: Alexey Melnikov <alexey.melnikov@isode.com>
X-Mailer: Apple Mail (2.3445.104.21)
Archived-At: <https://mailarchive.ietf.org/arch/msg/jmap/tCNr7kcNVTdVCQMIxebO5VrXOxA>
Subject: Re: [Jmap] Last Call: <draft-ietf-jmap-smime-07.txt> (S/MIME signature verification extension to JMAP) to Proposed Standard
X-BeenThere: jmap@ietf.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: JSON Message Access Protocol <jmap.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/jmap>, <mailto:jmap-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/jmap/>
List-Post: <mailto:jmap@ietf.org>
List-Help: <mailto:jmap-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/jmap>, <mailto:jmap-request@ietf.org?subject=subscribe>
X-List-Received-Date: Tue, 24 Aug 2021 19:33:09 -0000

If the server performs a signature verification, and then the client performs a signature verification, the results might not be the same due to different trust anchor stores or a revocation that takes place between the two verifications.  I think this situation should be described in the Security Considerations.

Russ


> On Aug 23, 2021, at 12:34 PM, The IESG <iesg-secretary@ietf.org> wrote:
> 
> 
> The IESG has received a request from the JSON Mail Access Protocol WG (jmap)
> to consider the following document: - 'S/MIME signature verification
> extension to JMAP'
>  <draft-ietf-jmap-smime-07.txt> as Proposed Standard
> 
> The IESG plans to make a decision in the next few weeks, and solicits final
> comments on this action. Please send substantive comments to the
> last-call@ietf.org mailing lists by 2021-09-04. Exceptionally, comments may
> be sent to iesg@ietf.org instead. In either case, please retain the beginning
> of the Subject line to allow automated sorting.
> 
> Abstract
> 
>   This document specifies an extension to JMAP for returning S/MIME
>   signature verification status.
> 
> The file can be obtained via
> https://datatracker.ietf.org/doc/draft-ietf-jmap-smime/
>