Re: [TLS] draft-ietf-tls-tls13 posted

Martin Thomson <martin.thomson@gmail.com> Fri, 28 October 2016 06:04 UTC

Return-Path: <martin.thomson@gmail.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 D44AF129654 for <tls@ietfa.amsl.com>; Thu, 27 Oct 2016 23:04:42 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.7
X-Spam-Level:
X-Spam-Status: No, score=-2.7 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_LOW=-0.7, SPF_PASS=-0.001] autolearn=ham autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.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 owwbeMTHBz6d for <tls@ietfa.amsl.com>; Thu, 27 Oct 2016 23:04:41 -0700 (PDT)
Received: from mail-qk0-x22c.google.com (mail-qk0-x22c.google.com [IPv6:2607:f8b0:400d:c09::22c]) (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 289E712944E for <tls@ietf.org>; Thu, 27 Oct 2016 23:04:41 -0700 (PDT)
Received: by mail-qk0-x22c.google.com with SMTP id o68so74944304qkf.3 for <tls@ietf.org>; Thu, 27 Oct 2016 23:04:41 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=8OAMqtcMTz1vv7yTpYhnZdIqHiObYeiXuDvRitiJ9pI=; b=kaDDgcxCav9f4jbF8MqFHrtsX0FDqXmPSRpcHnIcLanC+5Nb37q0FxbnWfiCl8lEZ4 8VY0/BULSUE9hOAjkbOa9S/54p2o1E3PeXAIy5igzqw+OrNsPGMcP3ynqJXjLF3hCrdQ eXoC1E5ri3U/WZW/4ePitKOdtau4H4GzuyzrUI1FmQoZVdOxRcd4x2MTwNx9f1ZVd/tD 2OFzu/AdLEIKZYpAAS2cyNuQD9JtcrSWrKq8JNeUQZKTGAE1hNBOtHjVHC+5QXyAepLn hAoeFZWfmYM2mFKpYEBAsaGnTt4wZA76rLqZXjNvkmCQoFB549julRvzV83icqBYrX6G PLoA==
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=8OAMqtcMTz1vv7yTpYhnZdIqHiObYeiXuDvRitiJ9pI=; b=fCH4m5Yz8qXgisukG44S1+ADvjFax50DkhqjrdwtGNrovbr3SFRy2sPqIQwQKDDKsz RpcCU18nzkLxqXVHqMlh8lFV9Ka5e9TcJvNLLUY4RPpyXo4bU1IONElfN4oM/9elKI9L nztWiL8bN9amIBFq1ruDytR5zH1DnkLQT/mRWJeNmu4eWNGC6JSguuBam2VLJ7z7DTGV mmsUCQWeMKV++uiTst9Wrt9RPE4fdGHCXWtdZ2hFXLz7hshIkdZZR5E8xQ42Uja+mZ58 Cnti5I8s+i+nMLwsXXr5ISHo3NNfEQi+MFiw3nTVXvMzgjr9DaI3CK8N7rf+LfAdP7zh J61Q==
X-Gm-Message-State: ABUngvcGTF3tyou0T3kissF+AGutA2r2dcJpZ423OdMnSLLDl/quGfcqUxHNsV0B4ZE02gjN9TcZUTtwDSu0TQ==
X-Received: by 10.55.165.16 with SMTP id o16mr9992764qke.5.1477634680338; Thu, 27 Oct 2016 23:04:40 -0700 (PDT)
MIME-Version: 1.0
Received: by 10.140.85.7 with HTTP; Thu, 27 Oct 2016 23:04:39 -0700 (PDT)
In-Reply-To: <CANatvzzbL+-hok4ByCyM2r45dZ9EWLKyu_XMj9aosy18F9zPmQ@mail.gmail.com>
References: <CABcZeBMRNf3EEtKMus9Rhy=h0y7jjxm8w1AumU=0bwY1zyiXQQ@mail.gmail.com> <CANatvzwtsDJdxzM0rEwrDK5XCdnjFPT7nx5bi5YLpjDSS+xLyQ@mail.gmail.com> <CABcZeBOc5phUGGVvzk_xExXgVTZZhhiiHLrza4KypdL=vE-YNA@mail.gmail.com> <CANatvzzbL+-hok4ByCyM2r45dZ9EWLKyu_XMj9aosy18F9zPmQ@mail.gmail.com>
From: Martin Thomson <martin.thomson@gmail.com>
Date: Fri, 28 Oct 2016 17:04:39 +1100
Message-ID: <CABkgnnUwwUz0j7w=Yb42wgXhZy+zweYuhXFa4RzMOatHQSPfFQ@mail.gmail.com>
To: Kazuho Oku <kazuhooku@gmail.com>
Content-Type: text/plain; charset="UTF-8"
Archived-At: <https://mailarchive.ietf.org/arch/msg/tls/m2HAZwaEMQzG6FkP2Iy0m2p3x6U>
Cc: "tls@ietf.org" <tls@ietf.org>
Subject: Re: [TLS] draft-ietf-tls-tls13 posted
X-BeenThere: tls@ietf.org
X-Mailman-Version: 2.1.17
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: Fri, 28 Oct 2016 06:04:43 -0000

On 27 October 2016 at 16:41, Kazuho Oku <kazuhooku@gmail.com> wrote:
> So if we are going to align the ranges of the two arrays, it might
> make more sense to allow zero-length for both of them, instead of
> disallowing it.

I think that it would be better to have a minimum size here.  Those
applications that don't want to store a value for the ticket identity
can agree to send a one octet value or something like that.  I don't
think that we need a zero length value.

https://github.com/tlswg/tls13-spec/pull/744