[TLS] Re: WG Last Call: draft-ietf-tls-mlkem-05 (Ends 2026-02-27)

David Stainton <dstainton415@gmail.com> Fri, 27 February 2026 00:43 UTC

Return-Path: <dstainton415@gmail.com>
X-Original-To: tls@mail2.ietf.org
Delivered-To: tls@mail2.ietf.org
Received: from localhost (localhost [127.0.0.1]) by mail2.ietf.org (Postfix) with ESMTP id 60C36BF24878 for <tls@mail2.ietf.org>; Thu, 26 Feb 2026 16:43:31 -0800 (PST)
X-Virus-Scanned: amavisd-new at ietf.org
X-Spam-Flag: NO
X-Spam-Score: -0.849
X-Spam-Level:
X-Spam-Status: No, score=-0.849 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, FORGED_GMAIL_RCVD=1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001] autolearn=no autolearn_force=no
Authentication-Results: mail2.ietf.org (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com
Received: from mail2.ietf.org ([166.84.6.31]) by localhost (mail2.ietf.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id CngoOD9gBS5P for <tls@mail2.ietf.org>; Thu, 26 Feb 2026 16:43:31 -0800 (PST)
Received: from mail-lj1-x233.google.com (mail-lj1-x233.google.com [IPv6:2a00:1450:4864:20::233]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature ECDSA (P-256) server-digest SHA256) (No client certificate requested) by mail2.ietf.org (Postfix) with ESMTPS id 18F2FBF24875 for <tls@ietf.org>; Thu, 26 Feb 2026 16:43:31 -0800 (PST)
Received: by mail-lj1-x233.google.com with SMTP id 38308e7fff4ca-389e4330e32so14558071fa.0 for <tls@ietf.org>; Thu, 26 Feb 2026 16:43:31 -0800 (PST)
ARC-Seal: i=1; a=rsa-sha256; t=1772153009; cv=none; d=google.com; s=arc-20240605; b=C0hT9x8ID3qXsJr27hMQQwc6zyRGPj5GgKwiJoJYPka60WqWq9oh91ZWfr6M+Rbu0W 4WydStNOrTrdN8nItNPQvPwOwFFRPQuyyX7hMwnH7xudj6C8XXou6ZXVNkSWXH34axRy Ym7Dqdsu22dpAwVjWA2DEmVVjxcK/JCUfDoOfxyTZYmszinKF7iSGriA7CvSjeKmHhSi 2y7SgCq6e5F3fmVvCzJa03CliCzWGlBLGb1XQFzdiw0rJ6zOAljotW6hskzvSkKj0En2 xniT38Wy6auL4yo8LmscNFLDNco1aCF/BIi5XJ+c0HS8nxcaFdaXW4BDTeH0pKk2XR/r naVg==
ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20240605; h=to:subject:message-id:date:from:mime-version:dkim-signature; bh=NlJCQ93Dn7u2CH3oUzFC/oephfEGG4yzg639QXXTlzo=; fh=iMQEz7fIE2XtFWqLUMEt8tz+aEDEJVSqHa2ftqd9oME=; b=OJt9kxnkM8ASyN3C5U+rnal2JOS63ZopCBlBH/HTTW+W4NjJ4wZ/wbk49fP1nMxk6j HTvwOgcPyB1fdK+vNRbPzqxYdeNn337x8/Mzkrn/5JdSH8aF1DGOA45xapo+I6WhGfUE vfVHbWPNk4D26XAAOvoNXpqVav8sGlsuQkTsdT5h8p5bY7imyXhkEwJl8zpQZlu6kEsE H1R4KQQEkzwZnSDGX4LeQxmY8qvX6Su8J7U/L9aWSYHj6n6QTpVMyvxsH3tXw9hg4G6h puBT17619jr100kGTnxMxgCtmNoQfFYFOHxo6oi5GZz7wb21eC4pkduCR5O3fk7Eb39x Iyig==; darn=ietf.org
ARC-Authentication-Results: i=1; mx.google.com; arc=none
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1772153009; x=1772757809; darn=ietf.org; h=to:subject:message-id:date:from:mime-version:from:to:cc:subject :date:message-id:reply-to; bh=NlJCQ93Dn7u2CH3oUzFC/oephfEGG4yzg639QXXTlzo=; b=HcwpzJirt0lcvleb6IqQuf42gGLw9Kben9fq9NKfs50h5gNzkmK7ftnwxWw7jBIMFJ vFh+WydSBqTk+B1PYiyBtBJOa+0wjOmjFV03zddCluIVylEWFfXLtJQ9F8J+NWKCU4OI SHbZbI66aNFz1b41WW/A3dz/cSTYWdPdjbdQkZxLXY8p1PuTRyfEc9pOfsbVfaEdC3/y gdkAgldkFaSm67EMg2n18sCq6/3jLBZqRootnrU5xHTwZB/SLmpRIIRFM5LE/ivXKBvE JJU54/SyXZIK+HXMlcKQLaBxxeJNvJz0jHWWkw38Qc4p4wNtX8Q3nmNrYnUjBcZf+ItK HdwA==
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1772153009; x=1772757809; h=to:subject:message-id:date:from:mime-version:x-gm-gg :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=NlJCQ93Dn7u2CH3oUzFC/oephfEGG4yzg639QXXTlzo=; b=sGHskRoF48qterEvExgx0jy4W6JJLhSE3S09RR5uJ8Vc4WfJmuvoKdh2bJ89upTN0c NvnpvhXyq2PeJMxOtbHLvylS8yvNgG6j+kAOljHth99Rb+f9WEPNJmiN5GNoyJTgxOOK LV6m7rX3j7RRJD7EKWJTTcympQMtCvyzM610aY1e2RYf7GqSxdhqthl62+WClXrsGJbo 2O9NpvwOxBLJRZQ/Dle7eG13Syl46lBU9uTE5v8mMlOFuUBN1Jubvl8iLgJli0DUf4vD U4/VUK4v2RyhhFWicCc4wntqd0DiGFB2PLf55G0QgIAn6iNuQdmLWismtRZt2PIsiric dxrA==
X-Gm-Message-State: AOJu0YzEFKQ6RKE/T1d1dFD+EgyGcY+lnZNnH/ma7JUhbDVvMVcYUijc oCFf4+uxSkl9UhLadIVeayIKlVmF2eAf5VyMsxgNLxTkxl00TVCzcaLZRPxq1/IuwUGp0sRx8j6 4GdQm3zfwjQtaKfx0JVszxA/b35Vc9870/D6FDZMMr7SG
X-Gm-Gg: ATEYQzx0NZfw9fZ+43PYW7iVYOPTc2OQI6ZlnYFWkr1CQYD3t0AUENPlJ203wMWf45e Sjm9ENFiyb7JFnnR+AIJg8Pnld9a7AJMT9Kgyj9baBIcnT+WlbcMDSD+VqC/7IBYme5rOPXbGkU ERdc+YsljakkMypqfOCKQ43NDqpVdlcAWMvMhJxYaVvSetr9JEf+XUgM+YDk1bVFEsx0ynaE7QA +4GH60tBGO7cwd2Gh2NXgDp+85bjT7QsQfFxxTNB7Yt/fJqNkwKfbhh+0TtyLB3Bv9Nelqx52ZI fyFiouADyYeHKGkw0dpDCNV5wG154lINrUE3MvcmnK8DL7H4Ny9hWCIIe10OEP/xYlE=
X-Received: by 2002:a2e:8941:0:b0:389:ec55:8372 with SMTP id 38308e7fff4ca-389ff136f55mr3063841fa.14.1772153009162; Thu, 26 Feb 2026 16:43:29 -0800 (PST)
MIME-Version: 1.0
From: David Stainton <dstainton415@gmail.com>
Date: Fri, 27 Feb 2026 01:43:17 +0100
X-Gm-Features: AaiRm50dXv-R0Yw0tmqXnyCoxv-jQCGWRMSV9xMcJ7AaxKkL-nALLIYL8WEsYiI
Message-ID: <CAFN1edry7iTu90j28URsnfRAt+kdAPK6r3581SsUiaWfHXP-UQ@mail.gmail.com>
To: tls@ietf.org
Content-Type: text/plain; charset="UTF-8"
Message-ID-Hash: JWCTPRHY6G4U3VRSJ5TNQJNV4WR57SSJ
X-Message-ID-Hash: JWCTPRHY6G4U3VRSJ5TNQJNV4WR57SSJ
X-MailFrom: dstainton415@gmail.com
X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-tls.ietf.org-0; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header
X-Mailman-Version: 3.3.9rc6
Precedence: list
Subject: [TLS] Re: WG Last Call: draft-ietf-tls-mlkem-05 (Ends 2026-02-27)
List-Id: "This is the mailing list for the Transport Layer Security working group of the IETF." <tls.ietf.org>
Archived-At: <https://mailarchive.ietf.org/arch/msg/tls/iPxpm09_5aqXUmP-a49QHrZNzLk>
List-Archive: <https://mailarchive.ietf.org/arch/browse/tls>
List-Help: <mailto:tls-request@ietf.org?subject=help>
List-Owner: <mailto:tls-owner@ietf.org>
List-Post: <mailto:tls@ietf.org>
List-Subscribe: <mailto:tls-join@ietf.org>
List-Unsubscribe: <mailto:tls-leave@ietf.org>

Greetings,

I oppose this draft.

We should use hybrid KEMs instead of just MLKEM.

Sincerely,
David Stainton