Re: [TLS] Status of X.509v3 TLS Feature Extension?

Stephen Checkoway <s@pahtak.org> Mon, 28 April 2014 18:17 UTC

Return-Path: <s@pahtak.org>
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 276B11A7023 for <tls@ietfa.amsl.com>; Mon, 28 Apr 2014 11:17:49 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.601
X-Spam-Level:
X-Spam-Status: No, score=-2.601 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_LOW=-0.7, SPF_PASS=-0.001] autolearn=ham
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 LusOmUbGrh4n for <tls@ietfa.amsl.com>; Mon, 28 Apr 2014 11:17:47 -0700 (PDT)
Received: from mail-qa0-f54.google.com (mail-qa0-f54.google.com [209.85.216.54]) by ietfa.amsl.com (Postfix) with ESMTP id 2890F1A6FF2 for <tls@ietf.org>; Mon, 28 Apr 2014 11:17:46 -0700 (PDT)
Received: by mail-qa0-f54.google.com with SMTP id s7so393805qap.27 for <tls@ietf.org>; Mon, 28 Apr 2014 11:17:46 -0700 (PDT)
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:content-type:mime-version:subject:from :in-reply-to:date:cc:content-transfer-encoding:message-id:references :to; bh=2IfVoDEDdXTvO/MRL/mn7TvSD3bNz8c4x41fA7VBLiI=; b=KaOxmBbp/RqwhW3JVqbGYd+khvlM9ukuwXg1H4qQ9RIEW5xcwoNUF7F7qCPHIiqF7S l0KCSrnX/9jVMD52uzj3CKqHGTTjvUlqD3v/r99AoeFYWKuRxmcTJgpp6LL0W5Kc2Fg2 dxjUhGmyL7Tge4OWQ7ag68nCR6uL7sb4jFGS4GATCfeSCaTTy0AG1kUWEbUQKHlGVTvr kltzpneUP9seBZXw3ehC9l4y/pg/CXkrmeJvc1Ak6nuxqaHcvxnYwiEwTcIIkqp/83ZV mbOW0fxJ/uHsjutwjEoawC6qvyJPdjEnPfCfI/+7d9DfIIj22s+WNgbdNSFiJZFJq1wR JmXQ==
X-Gm-Message-State: ALoCoQnEZh5W7UBHSoMJjS5B0CoK6JGuF68jSNDAiuALOzRpnxPkNRz6dhtnOexTw59yF1hhzysG
X-Received: by 10.229.198.2 with SMTP id em2mr6669064qcb.21.1398709065958; Mon, 28 Apr 2014 11:17:45 -0700 (PDT)
Received: from zbox.pahtak.org (c-68-48-196-126.hsd1.md.comcast.net. [68.48.196.126]) by mx.google.com with ESMTPSA id q62sm23020761qgd.0.2014.04.28.11.17.45 for <multiple recipients> (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 28 Apr 2014 11:17:45 -0700 (PDT)
Received: from polaris.isi.jhu.edu (polaris.isi.jhu.edu [128.220.247.217]) (using TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by zbox.pahtak.org (Postfix) with ESMTPSA id 18DEBAC287F; Mon, 28 Apr 2014 14:17:44 -0400 (EDT)
Content-Type: text/plain; charset="us-ascii"
Mime-Version: 1.0 (Mac OS X Mail 7.2 \(1874\))
From: Stephen Checkoway <s@pahtak.org>
In-Reply-To: <20140428174240.E04D21ACE1@ld9781.wdf.sap.corp>
Date: Mon, 28 Apr 2014 14:17:43 -0400
Content-Transfer-Encoding: quoted-printable
Message-Id: <2FA44B4E-6932-42B3-A0AB-7EEDA251DE6A@pahtak.org>
References: <20140428174240.E04D21ACE1@ld9781.wdf.sap.corp>
To: mrex@sap.com
X-Mailer: Apple Mail (2.1874)
Archived-At: http://mailarchive.ietf.org/arch/msg/tls/clGHkgj25j_L5uhZ5aWfiBuQfZo
Cc: tls@ietf.org
Subject: Re: [TLS] Status of X.509v3 TLS Feature Extension?
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: Mon, 28 Apr 2014 18:17:49 -0000

On Apr 28, 2014, at 1:42 PM, Martin Rex <mrex@sap.com> wrote:

> EV certs seem to be able to provide a benefit without "fail-hard".

That's the first time I've ever heard that claim. What benefit do they provide users?

-- 
Stephen Checkoway