Re: [TLS] Encrypted SNI (was: Privacy considerations - identity hiding from eavesdropping in (D)TLS)

"Salz, Rich" <rsalz@akamai.com> Tue, 22 September 2015 18:37 UTC

Return-Path: <rsalz@akamai.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 F33F21AC3F9 for <tls@ietfa.amsl.com>; Tue, 22 Sep 2015 11:37:36 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.711
X-Spam-Level:
X-Spam-Status: No, score=-2.711 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_LOW=-0.7, SPF_PASS=-0.001, T_RP_MATCHES_RCVD=-0.01] 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 ft6jUnPinM2i for <tls@ietfa.amsl.com>; Tue, 22 Sep 2015 11:37:35 -0700 (PDT)
Received: from prod-mail-xrelay06.akamai.com (prod-mail-xrelay06.akamai.com [96.6.114.98]) by ietfa.amsl.com (Postfix) with ESMTP id 422901A92B8 for <tls@ietf.org>; Tue, 22 Sep 2015 11:37:35 -0700 (PDT)
Received: from prod-mail-xrelay06.akamai.com (localhost.localdomain [127.0.0.1]) by postfix.imss70 (Postfix) with ESMTP id 8016A16CCD6; Tue, 22 Sep 2015 18:37:34 +0000 (GMT)
Received: from prod-mail-relay09.akamai.com (prod-mail-relay09.akamai.com [172.27.22.68]) by prod-mail-xrelay06.akamai.com (Postfix) with ESMTP id 6A2D816CCD2; Tue, 22 Sep 2015 18:37:34 +0000 (GMT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=akamai.com; s=a1; t=1442947054; bh=TDK9PrxyxOtv43P9Cp3BajRIGdmYfEiTBwzCkot4prU=; l=226; h=From:To:CC:Date:References:In-Reply-To:From; b=VDDXFFgaLB4FI3H5MHF909UHgjZl/n+lIHtZ3PxQvKOzKCkOvCa2/vE+U4lf427oN vbZZT63GjvZEXK9LfSWL4397UJDyDN6yk1hunH0MBE7ZiMAli59Mnjh1mVa5TeeqIp gqL5DLWNy1/1QrnA11XaElR8xU9E1UvuPkgKFnxs=
Received: from email.msg.corp.akamai.com (ustx2ex-cas2.msg.corp.akamai.com [172.27.25.31]) by prod-mail-relay09.akamai.com (Postfix) with ESMTP id 675F51E094; Tue, 22 Sep 2015 18:37:34 +0000 (GMT)
Received: from USTX2EX-DAG1MB1.msg.corp.akamai.com (172.27.27.101) by ustx2ex-dag1mb1.msg.corp.akamai.com (172.27.27.101) with Microsoft SMTP Server (TLS) id 15.0.1076.9; Tue, 22 Sep 2015 13:37:34 -0500
Received: from USTX2EX-DAG1MB1.msg.corp.akamai.com ([172.27.6.131]) by ustx2ex-dag1mb1.msg.corp.akamai.com ([172.27.6.131]) with mapi id 15.00.1076.000; Tue, 22 Sep 2015 13:37:34 -0500
From: "Salz, Rich" <rsalz@akamai.com>
To: Joseph Lorenzo Hall <joe@cdt.org>, Jacob Appelbaum <jacob@appelbaum.net>
Thread-Topic: [TLS] Encrypted SNI (was: Privacy considerations - identity hiding from eavesdropping in (D)TLS)
Thread-Index: AQHQ4ayRRnZKd+mYm0W69zVWwS2qcZ4h7AsAgCWp+QCAAbXSgIAAC2cA//+wipA=
Date: Tue, 22 Sep 2015 18:37:33 +0000
Message-ID: <e6259a91ef61490696d39c4e7515c470@ustx2ex-dag1mb1.msg.corp.akamai.com>
References: <CAL6x8mchyh2Qpqcd5Rv-rXgZ+1_CAbV7vkib+-yU4DEDFx82Yg@mail.gmail.com> <CAL6x8mfDjYAhOwvBY-tFO-407E9U+SaknJnuh_dCEEUbWJZZWw@mail.gmail.com> <20150828144932.GH9021@mournblade.imrryr.org> <201508281213.03823.davemgarrett@gmail.com> <20150828162251.GM9021@mournblade.imrryr.org> <871tdr23fh.fsf@alice.fifthhorseman.net> <CAFggDF14LALxYZMVYzRepNU61tgPERTJyn+FgHWD13CpRcbLAQ@mail.gmail.com> <CABtrr-Vi5CqiU9Wvs3vkr_beP4gGX9sSczAy2FOUFags4dsK8w@mail.gmail.com>
In-Reply-To: <CABtrr-Vi5CqiU9Wvs3vkr_beP4gGX9sSczAy2FOUFags4dsK8w@mail.gmail.com>
Accept-Language: en-US
Content-Language: en-US
X-MS-Has-Attach:
X-MS-TNEF-Correlator:
x-ms-exchange-transport-fromentityheader: Hosted
x-originating-ip: [172.19.113.247]
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: quoted-printable
MIME-Version: 1.0
Archived-At: <http://mailarchive.ietf.org/arch/msg/tls/lpHdFufNkKYeCIiqxDHBcvYWqzY>
Cc: "tls@ietf.org" <tls@ietf.org>
Subject: Re: [TLS] Encrypted SNI (was: Privacy considerations - identity hiding from eavesdropping in (D)TLS)
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: <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: Tue, 22 Sep 2015 18:37:37 -0000

We discussed this before.  Not that we can't discuss it again.  Here's a link to slides I presented at the Toronto Interim in July 2015.

	https://drive.google.com/file/d/0B8YgrWYHqacSV2hnZmR3VjJtRUk/view?usp=sharing