Re: [TLS] Fwd: Last Call: <draft-ietf-kitten-tls-channel-bindings-for-tls13-09.txt> (Channel Bindings for TLS 1.3) to Proposed Standard

Eric Rescorla <ekr@rtfm.com> Sat, 02 October 2021 17:13 UTC

Return-Path: <ekr@rtfm.com>
X-Original-To: tls@ietfa.amsl.com
Delivered-To: tls@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 8D5CD3A105B for <tls@ietfa.amsl.com>; Sat, 2 Oct 2021 10:13:23 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -1.896
X-Spam-Level:
X-Spam-Status: No, score=-1.896 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, HTML_MESSAGE=0.001, SPF_HELO_NONE=0.001, SPF_NONE=0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=rtfm-com.20210112.gappssmtp.com
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 k5i7lq_rXXQx for <tls@ietfa.amsl.com>; Sat, 2 Oct 2021 10:13:19 -0700 (PDT)
Received: from mail-io1-xd33.google.com (mail-io1-xd33.google.com [IPv6:2607:f8b0:4864:20::d33]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id E1FB83A0D74 for <tls@ietf.org>; Sat, 2 Oct 2021 10:13:18 -0700 (PDT)
Received: by mail-io1-xd33.google.com with SMTP id s20so15357713ioa.4 for <tls@ietf.org>; Sat, 02 Oct 2021 10:13:18 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=rtfm-com.20210112.gappssmtp.com; s=20210112; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=SLK7bqIkFdKlUFxyxjY4s+AdakZtvO4HCefb7y/it/M=; b=5JXX1ldL1a9df5mzMLUB+CMaLxnKzSw3w9/6oTDWrql8ZaoyVfj3v6SR17ZR1tAjCi 8gNf/Acg1ru4DE4yMCmLjRwrJ95biU0klmX4HIw0ZMD7LH13rBSnDZkuUfW7wDgkroPI sPwIxEcUmduM8U9JmC/Gq+rytAagVnbPmGtxWAh+vl7gOeqqEB9cI8XjjGWLZSoEHqYF RbN4DMlaM9K0dQli0RLyLJGsUWvtaL9m3niBzBAPX7MhVPhOYb1F33UYZfdPdFVHuHQ4 nTx/NvZPoz2qosrGgpeo0blG0M3EDTBd/IIE4j/aJfDvw8NWW26WKY3VpAWLBH26GtQk QgoA==
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=SLK7bqIkFdKlUFxyxjY4s+AdakZtvO4HCefb7y/it/M=; b=O55nyZtiw58FIwh+Yn01EsMfeNFb3LfGxK2VvEPkWsW5/Qx3GZgbuIJDxlMHt1r/rO 7GMe51KYytoNeUI0OdDRp4k5jo6tiFqnS0Dm2XUM9U5BnZmU3sXrG/n6KvPlAxzQfs5M KMSYo/ET9pp1o4tKb4vmlD5ed9WuM+QR1IsUxEvB+aPsFNK6FbvfLR8Xm2HETiUqv9PP k5KlSKx9v1Ma4Y8P+GyANDTkXlgoXZJTJtyeSdHL0FULeJGKNktv67brAebc6B+J3dRM D+tOm48J4h5oGM+xhVz9dSNZE1VahfNBniBAO8qYAdthCCUy8F9Jkbq5LyJY/HT3wp/L FhvA==
X-Gm-Message-State: AOAM533yY5AvgyaBORmlfc4bmFKBdpyTPmOccTcvy4IxTD35gHRKky/M 0ZkhKAGL/69TbzeVVEcwnwfWRtTztJ0y5G+yD7JLJhuvhwg=
X-Google-Smtp-Source: ABdhPJz3dP8Hff0s3UgqxEpIsOmfRjMiPx6OvacE8V90JfoPEfGT44RMX8DPziiwW/ybaS5ZkXkS2JUfixSOWtWPfP0=
X-Received: by 2002:a6b:5f1b:: with SMTP id t27mr2959143iob.213.1633194798082; Sat, 02 Oct 2021 10:13:18 -0700 (PDT)
MIME-Version: 1.0
References: <163311243544.13917.11736165165419008870@ietfa.amsl.com> <20211001190002.GC98042@kduck.mit.edu> <CABcZeBPQG82xJdwMrmj4-=9aJymo1xts=D6VZedBW5X9k+34cQ@mail.gmail.com> <92ed26c1-bfde-43c1-93f4-2bbdbd4f6ec1@www.fastmail.com> <CAChr6Sw6Rs42DfS8KgD3qasPcWM_gGZhWN5C4b7W7JsPy0wDzw@mail.gmail.com> <8796f867-12b8-41f8-b124-82b3ab0e2d32@www.fastmail.com> <CAChr6SyKAnBcE9t68coGGXFt9WPLuDuWtVKoCXrK+QrwAVtPXw@mail.gmail.com> <f1bcd676-13ad-49b3-a8e8-8a272e0124e3@www.fastmail.com>
In-Reply-To: <f1bcd676-13ad-49b3-a8e8-8a272e0124e3@www.fastmail.com>
From: Eric Rescorla <ekr@rtfm.com>
Date: Sat, 02 Oct 2021 10:12:42 -0700
Message-ID: <CABcZeBNo0gKjNZOKPYJYraioaw6G=z5ibTqh-o9GkWsDkfDmSQ@mail.gmail.com>
To: Sam Whited <sam@samwhited.com>
Cc: Rob Sayre <sayrer@gmail.com>, "<tls@ietf.org>" <tls@ietf.org>
Content-Type: multipart/alternative; boundary="000000000000ca02ad05cd61cb23"
Archived-At: <https://mailarchive.ietf.org/arch/msg/tls/4-WZovAsxkCTWXcdRTCl5d3j9Rw>
Subject: Re: [TLS] Fwd: Last Call: <draft-ietf-kitten-tls-channel-bindings-for-tls13-09.txt> (Channel Bindings for TLS 1.3) to Proposed Standard
X-BeenThere: tls@ietf.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: "This is the mailing list for the Transport Layer Security working group of the IETF." <tls.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/tls>, <mailto:tls-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/tls/>
List-Post: <mailto:tls@ietf.org>
List-Help: <mailto:tls-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/tls>, <mailto:tls-request@ietf.org?subject=subscribe>
X-List-Received-Date: Sat, 02 Oct 2021 17:13:24 -0000

I want to be clear that I don't think this is about credit. My concern is
purely about accurately reflecting the level of confidence one should have
in this mechanism.

-Ekr


On Fri, Oct 1, 2021 at 8:43 PM Sam Whited <sam@samwhited.com> wrote:

> This is just a registration with IANA more than anything else; this
> required almost no work compared to the many people and many years spent
> on TLS. I don't believe marking this as an update implies any flaw in
> TLS, or any presumption that this is somehow its equal in terms of
> effort. This isn't a competition, it's just logically part of the same
> ecosystem.
>
> If we start thinking about one document referencing or updating another
> as somehow being presumptuous or implying that we're trying to retcon
> the other authors work I don't see the culture of the IETF ever becoming
> a very inviting one. Similarly, if we decide that every document that
> updates another document has to be its equal in terms of effort, no
> documents will ever get updates until they are ready to be entirely
> replaced. Lots of documents receive small updates, this is no different.
>
> Would it make a difference if I added a section thanking the TLS authors
> for their work and for including bits like EKM that make keying material
> possible? I'd be happy to include such a section if it would make people
> feel better about it.
>
>
> —Sam
>
> On Fri, Oct 1, 2021, at 23:32, Rob Sayre wrote:
> > Makes sense a goal—I think the objection is more that updating 8446 on
> > paper here is presumptuous, since that document took orders of
> > magnitude more work.
> >
> > That should not detract from the work in this new draft, but hopefully
> > my message at least makes the disagreement more clear.
>
> _______________________________________________
> TLS mailing list
> TLS@ietf.org
> https://www.ietf.org/mailman/listinfo/tls
>