IETF Logo Mail Archive

Re: [saag] ASN.1 vs. DER Encoding

Nico Williams <nico@cryptonector.com> Tue, 26 March 2019 17:32 UTC

Return-Path: <nico@cryptonector.com>
X-Original-To: saag@ietfa.amsl.com
Delivered-To: saag@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id BCC061206A4 for <saag@ietfa.amsl.com>; Tue, 26 Mar 2019 10:32:04 -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, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=cryptonector.com
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 wkyaW-gYNZBE for <saag@ietfa.amsl.com>; Tue, 26 Mar 2019 10:32:02 -0700 (PDT)
Received: from lavender.maple.relay.mailchannels.net (lavender.maple.relay.mailchannels.net [23.83.214.99]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 26E331203A0 for <saag@ietf.org>; Tue, 26 Mar 2019 10:32:02 -0700 (PDT)
X-Sender-Id: dreamhost|x-authsender|nico@cryptonector.com
Received: from relay.mailchannels.net (localhost [127.0.0.1]) by relay.mailchannels.net (Postfix) with ESMTP id 337205E2706; Tue, 26 Mar 2019 17:32:01 +0000 (UTC)
Received: from pdx1-sub0-mail-a60.g.dreamhost.com (100-96-4-94.trex.outbound.svc.cluster.local [100.96.4.94]) (Authenticated sender: dreamhost) by relay.mailchannels.net (Postfix) with ESMTPA id 761DF5E1D86; Tue, 26 Mar 2019 17:32:00 +0000 (UTC)
X-Sender-Id: dreamhost|x-authsender|nico@cryptonector.com
Received: from pdx1-sub0-mail-a60.g.dreamhost.com ([TEMPUNAVAIL]. [64.90.62.162]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384) by 0.0.0.0:2500 (trex/5.17.2); Tue, 26 Mar 2019 17:32:01 +0000
X-MC-Relay: Neutral
X-MailChannels-SenderId: dreamhost|x-authsender|nico@cryptonector.com
X-MailChannels-Auth-Id: dreamhost
X-Juvenile-Society: 12a307725244721b_1553621520942_2205250055
X-MC-Loop-Signature: 1553621520942:509287150
X-MC-Ingress-Time: 1553621520941
Received: from pdx1-sub0-mail-a60.g.dreamhost.com (localhost [127.0.0.1]) by pdx1-sub0-mail-a60.g.dreamhost.com (Postfix) with ESMTP id 4B868800D0; Tue, 26 Mar 2019 10:31:58 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=cryptonector.com; h=date :from:to:subject:message-id:references:mime-version:content-type :in-reply-to:content-transfer-encoding; s=cryptonector.com; bh=6 JTJ3rKpIJtD4dUv0ouJ29QxScA=; b=x/2iQfR24ZmUAMi2YOVLOPDlDTNps2jbG So7IYiFM0YyxDtHTDASYo1yuqS5RyjV/4CW7FVajwcLlORUe1uLvGmnsEk+eW/Pm XI47XXAB5O19of+G7Jp4ksfhftEQju8tx08GM/Pe8xcMG0abcluro0oyPhEtRn4e aCXrKVBiM8=
Received: from localhost (unknown [24.28.108.183]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: nico@cryptonector.com) by pdx1-sub0-mail-a60.g.dreamhost.com (Postfix) with ESMTPSA id 9A7C0800CD; Tue, 26 Mar 2019 10:31:57 -0700 (PDT)
Date: Tue, 26 Mar 2019 12:31:54 -0500
X-DH-BACKEND: pdx1-sub0-mail-a60
From: Nico Williams <nico@cryptonector.com>
To: saag@ietf.org
Message-ID: <20190326173154.GY4211@localhost>
References: <21dec229-5b5c-8d52-6817-edac2e39ceec@openca.org> <20190326164951.GX4211@localhost> <20190326172904.22g5luiuptdhmca3@pep-project.org>
MIME-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Disposition: inline
In-Reply-To: <20190326172904.22g5luiuptdhmca3@pep-project.org>
User-Agent: Mutt/1.9.4 (2018-02-28)
X-VR-OUT-STATUS: OK
X-VR-OUT-SCORE: 0
X-VR-OUT-SPAMCAUSE: gggruggvucftvghtrhhoucdtuddrgedutddrkedtgdelvdcutefuodetggdotefrodftvfcurfhrohhfihhlvgemucggtfgfnhhsuhgsshgtrhhisggvpdfftffgtefojffquffvnecuuegrihhlohhuthemuceftddtnecunecujfgurhepfffhvffukfhfgggtugfgjggfsehtkeertddtreejnecuhfhrohhmpefpihgtohcuhghilhhlihgrmhhsuceonhhitghosegtrhihphhtohhnvggtthhorhdrtghomheqnecuffhomhgrihhnpehlihhonhgvthdrihhnfhhonecukfhppedvgedrvdekrddutdekrddukeefnecurfgrrhgrmhepmhhouggvpehsmhhtphdphhgvlhhopehlohgtrghlhhhoshhtpdhinhgvthepvdegrddvkedruddtkedrudekfedprhgvthhurhhnqdhprghthheppfhitghoucghihhllhhirghmshcuoehnihgtohestghrhihpthhonhgvtghtohhrrdgtohhmqedpmhgrihhlfhhrohhmpehnihgtohestghrhihpthhonhgvtghtohhrrdgtohhmpdhnrhgtphhtthhopehnihgtohestghrhihpthhonhgvtghtohhrrdgtohhmnecuvehluhhsthgvrhfuihiivgeptd
Content-Transfer-Encoding: quoted-printable
Archived-At: <https://mailarchive.ietf.org/arch/msg/saag/bN1zrXOMwEvymNbxbFS3aKhd_7I>
Subject: Re: [saag] ASN.1 vs. DER Encoding
X-BeenThere: saag@ietf.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: Security Area Advisory Group <saag.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/saag>, <mailto:saag-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/saag/>
List-Post: <mailto:saag@ietf.org>
List-Help: <mailto:saag-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/saag>, <mailto:saag-request@ietf.org?subject=subscribe>
X-List-Received-Date: Tue, 26 Mar 2019 17:32:05 -0000

On Tue, Mar 26, 2019 at 06:29:04PM +0100, Volker Birk wrote:
> On Tue, Mar 26, 2019 at 11:49:51AM -0500, Nico Williams wrote:
> > However, it is true that BER/DER are pretty much the only encoding rules
> > used in IETF documents, and that is mostly a result of lack of tooling.
> 
> p≡p is using PER and XER. We're using this Free Software tool for it:
> 
> http://lionet.info/asn1c/compiler.html

Cool!

The lack of tooling in question is in the past.  And, of course, if
you're writing in Go, Rust, node, etc., then the tooling has to support
your choice of programming language.

Nico
--

v2.23.0 | Report a Bug | By Email