Re: [TLS] Certificate Compression: Add Zstd Code Point?

Alessandro Ghedini <alessandro@ghedini.me> Thu, 04 April 2019 20:45 UTC

Return-Path: <alessandro@ghedini.me>
X-Original-To: tls@ietfa.amsl.com
Delivered-To: tls@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 1D6D7120251 for <tls@ietfa.amsl.com>; Thu, 4 Apr 2019 13:45:51 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.001
X-Spam-Level:
X-Spam-Status: No, score=-2.001 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, SPF_PASS=-0.001] autolearn=ham autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=ghedini.me
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 6dP5WvatESMu for <tls@ietfa.amsl.com>; Thu, 4 Apr 2019 13:45:49 -0700 (PDT)
Received: from blastoise.ghedini.me (blastoise.ghedini.me [IPv6:2001:19f0:6c01:a56:5400:1ff:fe4a:5694]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 142A0120241 for <tls@ietf.org>; Thu, 4 Apr 2019 13:45:49 -0700 (PDT)
Received: from localhost (unknown [IPv6:2a02:8010:6241:0:e87a:d33d:95f4:3fb6]) by blastoise.ghedini.me (Postfix) with ESMTPSA id C334ADF4FF; Thu, 4 Apr 2019 20:45:45 +0000 (UTC)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ghedini.me; s=mail; t=1554410745; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=ipUiILXDeB9bRBYo1Jm5DkoTspEDVPmIaPGnGi6gLpg=; b=YUbilA67wf6wQ/m5p4neI5uqT86gmkgkfvnZHUykgtKirrCtMFkVfg+OU7Qkrd7PhhFsmN H3sukNJnqw/+ZBjHiVSZC7dAIE667uRXcNmNktoAhHTgeYBurC1UklFDsa+O259qi6nLdx G8gyxtft4KB6pC+44DN3X/IPcC2pLXk=
Date: Thu, 04 Apr 2019 21:45:42 +0100
From: Alessandro Ghedini <alessandro@ghedini.me>
To: Victor Vasiliev <vasilvv=40google.com@dmarc.ietf.org>
Cc: "W. Felix Handte" <w@felixhandte.com>, "tls@ietf.org" <tls@ietf.org>
Message-ID: <20190404204542.GA7403@pinky.flat11.house>
References: <270001f2-1b81-652c-8f43-f03d9b00ac2a@felixhandte.com> <CAAZdMaet_vUGN-iz5uuErhuNf71DbT57Wq6wJ+bsCcMJuqEWjg@mail.gmail.com>
MIME-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-Disposition: inline
In-Reply-To: <CAAZdMaet_vUGN-iz5uuErhuNf71DbT57Wq6wJ+bsCcMJuqEWjg@mail.gmail.com>
User-Agent: Mutt/1.10.1 (2018-07-13)
Archived-At: <https://mailarchive.ietf.org/arch/msg/tls/wlm3RWYqv3Kv3q-177JMSSzP-j8>
Subject: Re: [TLS] Certificate Compression: Add Zstd Code Point?
X-BeenThere: tls@ietf.org
X-Mailman-Version: 2.1.29
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: Thu, 04 Apr 2019 20:45:51 -0000

On Mon, Apr 01, 2019 at 06:09:16PM -0400, Victor Vasiliev wrote:
> This sounds reasonable to me.  I currently don't have a plan for
> implementing this, but since zstd is well-defined and has an RFC published
> (that I can easily cite), I see no reason not to add it.
> 
> I wrote up a PR: https://github.com/tlswg/certificate-compression/pull/26.
> I will merge it before the last call, unless there are objections.

This seems pretty inoffensive (just one more allocated codepoint), and it's
already been a few days and nobody seems to object.

We'd like to submit a new draft version so we can finally go to WGLC, so if
nobody objects by tomorrow I'll just merge the PR and upload the draft.

Cheers