Re: [rtcweb] Asking TLS for help with media isolation

Martin Thomson <martin.thomson@gmail.com> Mon, 07 April 2014 16:32 UTC

Return-Path: <martin.thomson@gmail.com>
X-Original-To: rtcweb@ietfa.amsl.com
Delivered-To: rtcweb@ietfa.amsl.com
Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id E95E51A070E for <rtcweb@ietfa.amsl.com>; Mon, 7 Apr 2014 09:32:28 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2
X-Spam-Level:
X-Spam-Status: No, score=-2 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, 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 f8SwWweL2ZTW for <rtcweb@ietfa.amsl.com>; Mon, 7 Apr 2014 09:32:23 -0700 (PDT)
Received: from mail-wi0-x230.google.com (mail-wi0-x230.google.com [IPv6:2a00:1450:400c:c05::230]) by ietfa.amsl.com (Postfix) with ESMTP id 55F481A01A9 for <rtcweb@ietf.org>; Mon, 7 Apr 2014 09:32:23 -0700 (PDT)
Received: by mail-wi0-f176.google.com with SMTP id r20so5430792wiv.15 for <rtcweb@ietf.org>; Mon, 07 Apr 2014 09:32:17 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=HCO5tBQpfHzGFvd+xzd0nyMKG0v7o/92hRkh3S/3bY4=; b=z5zZwUr26kJZyzWrATB5qPdA/eUL9qCcv6Rh7VrtZ6IHndndHefvtK97W7jiMQchr/ AsQ4R61oQFqppt3ut6Tg3lhf5W66OubZEYwfH+Ak9AjLr0ayBAjCkHF/9QcDuF6u49Ig ZonLvh0XpCmN48tECShgrMNbNhO/FdPgq4Xz85k8GvAExrSyqBvNf3ob20tWkMuME7gg hP8dwi2E0P7W6LfFkYpXimg1EYP8XFQsF0wy4cvXt81mcvt6IVrK04qIRUdozZjILXeP yf6eUA/mInuvPxaod8dhEUTmyFnWF0RcmMLqiRfHc6pCNKp1C3+pP4Z0Gs3cOlyhoIoU nALg==
MIME-Version: 1.0
X-Received: by 10.180.92.196 with SMTP id co4mr26175992wib.50.1396888336934; Mon, 07 Apr 2014 09:32:16 -0700 (PDT)
Received: by 10.227.147.10 with HTTP; Mon, 7 Apr 2014 09:32:16 -0700 (PDT)
In-Reply-To: <53419ED4.8020102@alum.mit.edu>
References: <CABkgnnWWuU63Vd=gw+wrh2ADgVYtQzhoRzRE1sv5azJE=MhWDg@mail.gmail.com> <533F191D.8050109@alum.mit.edu> <CABkgnnVht5EmJ7a2LDh50ivjUdoTpJ8GannQKReBSJbVGQGmgA@mail.gmail.com> <53419ED4.8020102@alum.mit.edu>
Date: Mon, 07 Apr 2014 09:32:16 -0700
Message-ID: <CABkgnnVjZ51bt5WQ1uvHHUz-4xFzpXQGhuMqxeMpOqJ1d+hQiA@mail.gmail.com>
From: Martin Thomson <martin.thomson@gmail.com>
To: Paul Kyzivat <pkyzivat@alum.mit.edu>
Content-Type: text/plain; charset="UTF-8"
Archived-At: http://mailarchive.ietf.org/arch/msg/rtcweb/VXvs1yxQaE8jd4hwwi8X98DN5lg
Cc: "rtcweb@ietf.org" <rtcweb@ietf.org>
Subject: Re: [rtcweb] Asking TLS for help with media isolation
X-BeenThere: rtcweb@ietf.org
X-Mailman-Version: 2.1.15
Precedence: list
List-Id: Real-Time Communication in WEB-browsers working group list <rtcweb.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/rtcweb>, <mailto:rtcweb-request@ietf.org?subject=unsubscribe>
List-Archive: <http://www.ietf.org/mail-archive/web/rtcweb/>
List-Post: <mailto:rtcweb@ietf.org>
List-Help: <mailto:rtcweb-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/rtcweb>, <mailto:rtcweb-request@ietf.org?subject=subscribe>
X-List-Received-Date: Mon, 07 Apr 2014 16:32:29 -0000

On 6 April 2014 11:37, Paul Kyzivat <pkyzivat@alum.mit.edu> wrote:
> But ISTM there would need to be a different set of limitations for
> non-browsers. For instance, to not echo the stream back to the source. And
> not to store the stream in a place that the sender can retrieve.

Yes.  At the most abstract level, the requirements are the same.
Don't pass the media on to someone else.