IETF Logo Mail Archive

Re: [Rats] Android comments on EAT draft

Michael Richardson <mcr+ietf@sandelman.ca> Thu, 11 July 2019 12:04 UTC

Return-Path: <mcr+ietf@sandelman.ca>
X-Original-To: rats@ietfa.amsl.com
Delivered-To: rats@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id D10941200F5 for <rats@ietfa.amsl.com>; Thu, 11 Jul 2019 05:04:21 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -4.199
X-Spam-Level:
X-Spam-Status: No, score=-4.199 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=unavailable autolearn_force=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 ZGv53jTGxom1 for <rats@ietfa.amsl.com>; Thu, 11 Jul 2019 05:04:19 -0700 (PDT)
Received: from tuna.sandelman.ca (tuna.sandelman.ca [209.87.249.19]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id E58DE120108 for <rats@ietfa.amsl.com>; Thu, 11 Jul 2019 05:04:18 -0700 (PDT)
Received: from sandelman.ca (unknown [IPv6:2607:f0b0:f:2:56b2:3ff:fe0b:d84]) by tuna.sandelman.ca (Postfix) with ESMTP id BED153818F; Thu, 11 Jul 2019 08:02:11 -0400 (EDT)
Received: from localhost (localhost [IPv6:::1]) by sandelman.ca (Postfix) with ESMTP id 92B06A51; Thu, 11 Jul 2019 08:04:16 -0400 (EDT)
From: Michael Richardson <mcr+ietf@sandelman.ca>
To: Laurence Lundblade <lgl@island-resort.com>
cc: Shawn Willden <swillden=40google.com@dmarc.ietf.org>, Giridhar Mandyam <mandyam@qti.qualcomm.com>, "rats@ietfa.amsl.com" <rats@ietfa.amsl.com>
In-Reply-To: <5C3D43D7-8C32-4C83-AEC9-DF98FE5DCF6B@island-resort.com>
References: <CAFyqnhVJ-ps4bdhsyQDOHdzHVZsXeK7_kCDXxUVUcuyDzWS3uA@mail.gmail.com> <29657.1562351277@localhost> <CAFyqnhU3KQN_Ww9km8yu7RsdJ1=6ut-bzLmFXtk00H-Zn1ykuQ@mail.gmail.com> <d572ce18b5ea40f18e8ff460dbab1e8b@NASANEXM01C.na.qualcomm.com> <CAFyqnhWQhw-JpDxdQLyXhf1wAJX_BUzOftouxBZjGk35q=Vnag@mail.gmail.com> <5C3D43D7-8C32-4C83-AEC9-DF98FE5DCF6B@island-resort.com>
X-Mailer: MH-E 8.6; nmh 1.7+dev; GNU Emacs 24.5.1
X-Face: $\n1pF)h^`}$H>Hk{L"x@)JS7<%Az}5RyS@k9X%29-lHB$Ti.V>2bi.~ehC0; <'$9xN5Ub# z!G,p`nR&p7Fz@^UXIn156S8.~^@MJ*mMsD7=QFeq%AL4m<nPbLgmtKK-5dC@#:k
MIME-Version: 1.0
Content-Type: multipart/signed; boundary="=-=-="; micalg="pgp-sha256"; protocol="application/pgp-signature"
Date: Thu, 11 Jul 2019 08:04:16 -0400
Message-ID: <13549.1562846656@localhost>
Archived-At: <https://mailarchive.ietf.org/arch/msg/rats/i8LXoiUwTeTVJmeW9eqBql_TBAw>
Subject: Re: [Rats] Android comments on EAT draft
X-BeenThere: rats@ietf.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: Remote Attestation Procedures <rats.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/rats>, <mailto:rats-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/rats/>
List-Post: <mailto:rats@ietf.org>
List-Help: <mailto:rats-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/rats>, <mailto:rats-request@ietf.org?subject=subscribe>
X-List-Received-Date: Thu, 11 Jul 2019 12:04:22 -0000

Laurence Lundblade <lgl@island-resort.com> wrote:
    > Second comment (not really relevant to standards work): It could work
    > like this. The non-TEE part of the device (i.e., Android) tells the TEE
    > if it can include the location or not. When the TEE includes it, it
    > will be non-spooFable. That should be OK, because the user and Android
    > are still in control. I fully agree that the TEE should not be sending
    > any data that has any privacy issue on it’s own.

I think that Shawn's point is that the Android privacy team wants
to be able to send location data which can be spoofed without relaying
parties knowing that it is spoofed.


--
Michael Richardson <mcr+IETF@sandelman.ca>, Sandelman Software Works
 -= IPv6 IoT consulting =-

v2.23.0 | Report a Bug | By Email