Re: [xmpp] message size

Ashley Ward <ashley.ward@surevine.com> Thu, 06 March 2014 14:35 UTC

Return-Path: <ashley.ward@surevine.com>
X-Original-To: xmpp@ietfa.amsl.com
Delivered-To: xmpp@ietfa.amsl.com
Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 8B9831A0140 for <xmpp@ietfa.amsl.com>; Thu, 6 Mar 2014 06:35:41 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.6
X-Spam-Level:
X-Spam-Status: No, score=-2.6 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_LOW=-0.7] 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 wlUMcutUnoBi for <xmpp@ietfa.amsl.com>; Thu, 6 Mar 2014 06:35:40 -0800 (PST)
Received: from mail-wg0-f52.google.com (mail-wg0-f52.google.com [74.125.82.52]) by ietfa.amsl.com (Postfix) with ESMTP id ACF721A0137 for <xmpp@ietf.org>; Thu, 6 Mar 2014 06:35:39 -0800 (PST)
Received: by mail-wg0-f52.google.com with SMTP id k14so3235869wgh.35 for <xmpp@ietf.org>; Thu, 06 Mar 2014 06:35:35 -0800 (PST)
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:message-id:references:to; bh=HlwHsp5pE70Bo7daC+pNzxj6Mxe8lTJd//x59OOw+oM=; b=Z7dourzti9oUbKy3KTm0FAWESGmO1E6pnKkjKS5zfIXaH0uoTQpQLJ5LUxObsNLZwA E9Bbw4HMYViEsDmK6ds0+Ka5N+UL+FdFWt7EkDhAI6u3RR+eyrv3XWoV8XarrgdeOXpU U7oCDrsbHkDcEcNosRpo0zxh2tQOfUqP40YWIBYXBiWXYUM6FbRigGq9iBpaSaOObyOR TL6qnJWtIJ4i7e8SLtRWKq+aXu3CepuQuoE62ymKiJ9g4giH3bcn1NDEYl/cHJQgkCQM AxdR/J6xdQT+bh/LRIZRPSBJnf1MA1vcZQRldYf33sJp3YWCm7KlBedFcpL5msW9IssM Cnww==
X-Gm-Message-State: ALoCoQnV/9Q3KA4d009BQoRKkejm3tOH/KxERT8AmY4FIe2CCYnkO2yXwC3QIs4H2xYUbuTNarV2
X-Received: by 10.194.92.164 with SMTP id cn4mr10825951wjb.74.1394116535372; Thu, 06 Mar 2014 06:35:35 -0800 (PST)
Received: from [192.168.1.87] (host81-155-184-37.range81-155.btcentralplus.com. [81.155.184.37]) by mx.google.com with ESMTPSA id f7sm17809338wjb.7.2014.03.06.06.35.33 for <multiple recipients> (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Thu, 06 Mar 2014 06:35:33 -0800 (PST)
Content-Type: multipart/signed; boundary="Apple-Mail=_D07EBC21-F23B-4A42-BEA7-081D2D0A17F1"; protocol="application/pkcs7-signature"; micalg=sha1
Mime-Version: 1.0 (Mac OS X Mail 7.2 \(1874\))
From: Ashley Ward <ashley.ward@surevine.com>
In-Reply-To: <CAKHUCzz7QqnJirHHwrGJHSD1U_m_uAZGV4GcQaC-rteceug-sA@mail.gmail.com>
Date: Thu, 6 Mar 2014 14:35:31 +0000
Message-Id: <C16C702C-50EC-41A2-9559-B7576129A70B@surevine.com>
References: <531883F5.7000800@stpeter.im> <CAKHUCzz7QqnJirHHwrGJHSD1U_m_uAZGV4GcQaC-rteceug-sA@mail.gmail.com>
To: XMPP Working Group <xmpp@ietf.org>
X-Mailer: Apple Mail (2.1874)
Archived-At: http://mailarchive.ietf.org/arch/msg/xmpp/9SaeckZHodB-tWx1olPQTbZ7XUk
Subject: Re: [xmpp] message size
X-BeenThere: xmpp@ietf.org
X-Mailman-Version: 2.1.15
Precedence: list
List-Id: XMPP Working Group <xmpp.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/xmpp>, <mailto:xmpp-request@ietf.org?subject=unsubscribe>
List-Archive: <http://www.ietf.org/mail-archive/web/xmpp/>
List-Post: <mailto:xmpp@ietf.org>
List-Help: <mailto:xmpp-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/xmpp>, <mailto:xmpp-request@ietf.org?subject=subscribe>
X-List-Received-Date: Thu, 06 Mar 2014 14:35:41 -0000

On 6 Mar 2014, at 14:28, Dave Cridland <dave@cridland.net> wrote:

> You're saying to include, pre-encrypt, something like <spacer:junk xmlns:spacer='urn:...'>123465</spacer> in the plaintext order to defeat message size analysis of the ciphertext?

It’s XML - you could always just use <!β€” β€”> comments or whitespace.

β€”

Ash