Re: [openpgp] Forbid generation of v6 PKESK ElGamal?

Heiko Stamer <HeikoStamer@gmx.net> Sat, 25 February 2023 07:14 UTC

Return-Path: <HeikoStamer@gmx.net>
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 267BEC14CF17 for <openpgp@ietfa.amsl.com>; Fri, 24 Feb 2023 23:14:37 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.097
X-Spam-Level:
X-Spam-Status: No, score=-2.097 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, NICE_REPLY_A=-0.001, RCVD_IN_MSPIKE_H2=-0.001, RCVD_IN_ZEN_BLOCKED_OPENDNS=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001, URIBL_DBL_BLOCKED_OPENDNS=0.001, URIBL_ZEN_BLOCKED_OPENDNS=0.001] autolearn=ham autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmx.net
Received: from mail.ietf.org ([50.223.129.194]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 96xSAnRZ8r9U for <openpgp@ietfa.amsl.com>; Fri, 24 Feb 2023 23:14:33 -0800 (PST)
Received: from mout.gmx.net (mout.gmx.net [212.227.17.20]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id C8469C14F74F for <openpgp@ietf.org>; Fri, 24 Feb 2023 23:14:32 -0800 (PST)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=s31663417; t=1677309269; i=heikostamer@gmx.net; bh=FFjQOh6rNRoacbxNN+uqk/VPZpJSw9/P+z0KUWo3Xvk=; h=X-UI-Sender-Class:Date:Subject:To:References:From:In-Reply-To; b=U2/Nx58m4rNeNi6Bnrs9DCFVFx0HpW4j+hD789l4nmyXqTvtz4eTucZrUKDse40Eq hsKpQnIUtw+xHMY+SaMMVJbS5zXap6XbJT2g/MhKsgRIgzNvaF8xH+YM0ADHh7BjKw znEXWCB5rYfigq02uEnQ509+YSEkJct5sg1nnkl0oP9YCJm523qN0Y8Go3svgzGK5S sma3FzyWCaDgql58ER2WdTvjx7XIX+ghrKnJHjxMNkFU6uog1Y/sn1UUcSa1fDKFHe wDjS2SAbLaD3RG5cvXhEWilArG20vag1eqbfRCeiLrhx3JumoiwrAxZZW1k4sAxtU9 1DUDhBGEAer+g==
X-UI-Sender-Class: 724b4f7f-cbec-4199-ad4e-598c01a50d3a
Received: from [192.168.178.23] ([80.132.227.71]) by mail.gmx.net (mrgmx104 [212.227.17.168]) with ESMTPSA (Nemesis) id 1MsHnm-1odJV83koE-00tl5K for <openpgp@ietf.org>; Sat, 25 Feb 2023 08:14:28 +0100
Message-ID: <2bebdc4f-9fcd-3ac4-6dcb-6cdece8e47dd@gmx.net>
Date: Sat, 25 Feb 2023 08:22:33 +0100
MIME-Version: 1.0
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.8.0
Content-Language: en-US
To: openpgp@ietf.org
References: <87v8jqu4uz.fsf@fifthhorseman.net>
From: Heiko Stamer <HeikoStamer@gmx.net>
In-Reply-To: <87v8jqu4uz.fsf@fifthhorseman.net>
Content-Type: text/plain; charset="UTF-8"; format="flowed"
Content-Transfer-Encoding: 7bit
X-Provags-ID: V03:K1:OJdpa7ut5bu+K7oVBuAA0Z7VjK/YSb/WCDq74zB+JXezgqo4l4e e9KDTf1Z0KzWUsOY2DWSinzWcDRyuJV1u3ZTmyVsB28tsdvJoyqtN+sfvJ00hGLePUVUaAw ibfCn/5THUPEJLFX981nva1QRL3vJuJOLeGkF6164RNjVhvCime9+FakKjww8y7rZJgmxkr rHpIbRrrVoo6WLko7IElQ==
UI-OutboundReport: notjunk:1;M01:P0:1zIVvirSptI=;5v031dTT3JCP/g1W2JYmNvGkW2w e5qs7BU4uGYeeiHrY0i4bh+qFWk4REGsb4ww+0qWVooHZI+uC1l3/mZaGbPp32ZmrqSpTGnhg HBBnJuqnhGXh1HnuZuvwY+K0bWkxPGQp9BdnXX39P5FUBeoM2mMDfdXEmjGq3MTHKNx8laywl umECqVCu0PgjyG8P30pxtIESDD8Jz5YSlKnSWC8Q65Bb7QFLqvGwVrqRfi1N0A5FjxFEnNjbr +SLXbWcAuV2xS0QrQYmcjVufwI6oww6/S6E41SDGAbjyiRyhfv8z+bfrWHkJeoLpvAfaC074x uux1qKwhlOJ3+mTzg8UOBFVmHp5yC/DqpxZB1pmDjOefZyxnIcg3HZVFYoqrCl/Z+xhmYVOC0 XkdjDtz0AvFQ9ichxS/RELSy7XZqUARJm/Y/W/Jje0EMwEZ08acSq7YEuZViliq7GhSQtFMgY 7Ca6zP5oconSisWXW1mH0G0LkJ9FXQay0dqyd2jUYdNYlv0Z97eIfLytT/HGlifJSlnYGpyhw F7xXEFid0ASiUopFlTc/jqQa7f0fgRClq+PcyV/9QpcWYk+DdGa95iSpl7Z7BxlC9bRtw0PoZ ptqNg8cY9FSl7MUwEutg64p466SD6FU6O51jpeB+Q4bchQPVxafLcYT26LqbJMY/bfu+5JTc9 hnEhgYmc4RVX2oMYYmSUknRzfelkQahBjqSMRwD5JZgKhgU75+nxC9ZQptdSA/VtdEXLZA3Nf +Y4ygzPdiW5B5kGlBO29SRc+A3sT6FIfweZt9w9N6GCmJcl8grHfesq9I2tetvQHfU3lcYUQA pES4I3A5oLEgEhoCozqtO2Amf/1u3e3jm4EfQfYfQgC3cPa75ucQKb9kok6dN9J+9XSkDv7Sn 93xMP4YZ8XB7PkAm/HywxVmo3UNOE51iyKm87lsdFOZpaSb40/4E4BAieI4rF5ULNoFubBXUU 5up/OSERAP4U2oK1zdcIsIuFnq4=
Archived-At: <https://mailarchive.ietf.org/arch/msg/openpgp/a_E8p5lyggFAF29Dzx7ZHJcvQ-I>
Subject: Re: [openpgp] Forbid generation of v6 PKESK ElGamal?
X-BeenThere: openpgp@ietf.org
X-Mailman-Version: 2.1.39
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: Sat, 25 Feb 2023 07:14:37 -0000

Daniel Kahn Gillmor wrote:

> https://gitlab.com/openpgp-wg/rfc4880bis/-/merge_requests/233 proposes
> forbidding generation of v6 public key encrypted session key packets
> (PKESKs) with the ElGamal algorithm.

This will break my implementation completely.

HS