IETF Logo Mail Archive

Re: [TLS] Re-thinking OPTLS

Adam Langley <agl@imperialviolet.org> Sat, 22 November 2014 17:19 UTC

Return-Path: <alangley@gmail.com>
X-Original-To: tls@ietfa.amsl.com
Delivered-To: tls@ietfa.amsl.com
Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id E84141ACD8D for <tls@ietfa.amsl.com>; Sat, 22 Nov 2014 09:19:07 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -1.278
X-Spam-Level:
X-Spam-Status: No, score=-1.278 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, FM_FORGED_GMAIL=0.622, FREEMAIL_FROM=0.001, SPF_PASS=-0.001] autolearn=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 6xF9J8F_4YqJ for <tls@ietfa.amsl.com>; Sat, 22 Nov 2014 09:19:06 -0800 (PST)
Received: from mail-lb0-x22c.google.com (mail-lb0-x22c.google.com [IPv6:2a00:1450:4010:c04::22c]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 46C871ACD8C for <tls@ietf.org>; Sat, 22 Nov 2014 09:19:06 -0800 (PST)
Received: by mail-lb0-f172.google.com with SMTP id u10so5576374lbd.17 for <tls@ietf.org>; Sat, 22 Nov 2014 09:19:04 -0800 (PST)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date:message-id:subject :from:to:cc:content-type; bh=XEdpXhuradwYSpX+xaQG/UKNrsRSxS5OpzFQpGby3hk=; b=f5evQm2Fquk/LJhmqra+GVprbt3MpOJfINWsLospTKKKzP/n36wvPh+1AG8wnPku8J O9/KPesbS/NjRm/fb6FctgipFfZe+iXfLjTT8Ox6pzguPmgHB8gbeddwBwuD4hbSMtDc uWg/o+IOAs90No9RCcWiOxm3qdkwY8HCUfS2anxH/KE9J4/2QeBUA4PmJ/c7cxJqxdw+ CQ5FxnvRE8qYOntkMEVWdysLq4L+VGF6YtZGXy3WiHg1OyOvZB+nnwuyV0jz4//MJNLI xXj55G2BD3kdlvxp1Sds7/QoTNPUVTijd0vZdK1Ett1nunO/X3xCjBvtxISHg61gy/NH xDqQ==
MIME-Version: 1.0
X-Received: by 10.152.37.69 with SMTP id w5mr11280211laj.67.1416676744513; Sat, 22 Nov 2014 09:19:04 -0800 (PST)
Sender: alangley@gmail.com
Received: by 10.112.241.103 with HTTP; Sat, 22 Nov 2014 09:19:04 -0800 (PST)
In-Reply-To: <CACsn0cnTRfR7OZn6dCNRLbaQGbhGFf97eiq2i+4UE0B4G3qxNg@mail.gmail.com>
References: <CADi0yUMCGuYbqrJWa-KXNmgNvc19xOWwpx2DCLOvgv62haedCQ@mail.gmail.com> <CABkgnnU7RNxjNW++qoS+zY6RBCag3tmCaWiR7Szw_zu45_X7HA@mail.gmail.com> <CADi0yUN4NPAV0ntrXyb2H6Pp_BOWBh8CwtsF4WbPL+UomvJJyw@mail.gmail.com> <CABkgnnVDchZd91nt4pVJT3rDzjbRLOHi=xDH-agQeg+PeEJzqw@mail.gmail.com> <CACsn0cnTRfR7OZn6dCNRLbaQGbhGFf97eiq2i+4UE0B4G3qxNg@mail.gmail.com>
Date: Sat, 22 Nov 2014 09:19:04 -0800
X-Google-Sender-Auth: 3qS_H2ZmRcjcQLtP1c8OXSIK-dw
Message-ID: <CAMfhd9VDRWksvOHnT792pWBT+PcARvoy43_=w_mBdnuzVnFsKw@mail.gmail.com>
From: Adam Langley <agl@imperialviolet.org>
To: Watson Ladd <watsonbladd@gmail.com>
Content-Type: text/plain; charset="UTF-8"
Archived-At: http://mailarchive.ietf.org/arch/msg/tls/KKagDxoLLyXDI9Y8zx4G_1hm5uk
Cc: "tls@ietf.org" <tls@ietf.org>, Hoeteck Wee <hoeteck@alum.mit.edu>
Subject: Re: [TLS] Re-thinking OPTLS
X-BeenThere: tls@ietf.org
X-Mailman-Version: 2.1.15
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: <http://www.ietf.org/mail-archive/web/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, 22 Nov 2014 17:19:08 -0000

On Fri, Nov 21, 2014 at 11:23 PM, Watson Ladd <watsonbladd@gmail.com> wrote:
> Not requiring online signatures is a win for performance for users
> with RSA certificates. The current draft has very similar performance.

There is at least one data-point when it comes to "delegation"
signatures: it's what QUIC does[1] (with its own message format and
embedded expiry) and Google is perfectly happy with deploying QUIC.

[1] https://docs.google.com/document/d/1g5nIXAIkN_Y-7XJW5K45IblHd_L2f5LTaDUDwvZ5L6g/edit#heading=h.bzxklo2i5w6k


Cheers

AGL

-- 
Adam Langley agl@imperialviolet.org https://www.imperialviolet.org

v2.23.0 | Report a Bug | By Email