IETF Logo Mail Archive

Re: [Cbor] [COSE] CBOR magic number, file format and tags

Carsten Bormann <cabo@tzi.org> Sat, 23 January 2021 21:49 UTC

Return-Path: <cabo@tzi.org>
X-Original-To: cbor@ietfa.amsl.com
Delivered-To: cbor@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 72D2E3A0C66 for <cbor@ietfa.amsl.com>; Sat, 23 Jan 2021 13:49:48 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -4.218
X-Spam-Level:
X-Spam-Status: No, score=-4.218 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H4=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham 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 jHW-6e4jS1I9 for <cbor@ietfa.amsl.com>; Sat, 23 Jan 2021 13:49:43 -0800 (PST)
Received: from gabriel-vm-2.zfn.uni-bremen.de (gabriel-vm-2.zfn.uni-bremen.de [134.102.50.17]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 949EA3A0C64 for <cbor@ietf.org>; Sat, 23 Jan 2021 13:49:42 -0800 (PST)
Received: from [192.168.217.152] (p548dc939.dip0.t-ipconnect.de [84.141.201.57]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by gabriel-vm-2.zfn.uni-bremen.de (Postfix) with ESMTPSA id 4DNVCT1d3pzyWf; Sat, 23 Jan 2021 22:49:41 +0100 (CET)
Content-Type: multipart/alternative; boundary="Apple-Mail=_0205C417-0DD0-4C02-B82E-4356BDAA5044"
Mime-Version: 1.0 (Mac OS X Mail 14.0 \(3654.40.0.2.32\))
From: Carsten Bormann <cabo@tzi.org>
In-Reply-To: <30257.1611437964@localhost>
Date: Sat, 23 Jan 2021 22:49:40 +0100
Cc: "Dale R. Worley" <worley@ariadne.com>, cbor@ietf.org, doug@ewellic.org
Message-Id: <71FC9F96-DAF1-4F8E-86F3-84F7162F8D05@tzi.org>
References: <87wnw49wez.fsf@hobgoblin.ariadne.com> <3DD6CB17-103F-48BF-A4EF-B2AEF1573C93@tzi.org> <30869.1611432082@localhost> <DCCD03C2-8F1C-4AD4-A9B2-D58D2F3016E2@tzi.org> <30257.1611437964@localhost>
To: Michael Richardson <mcr+ietf@sandelman.ca>
X-Mailer: Apple Mail (2.3654.40.0.2.32)
Archived-At: <https://mailarchive.ietf.org/arch/msg/cbor/fjEdgJe16BJU9Bw8Gv1RaAw8qI0>
Subject: Re: [Cbor] [COSE] CBOR magic number, file format and tags
X-BeenThere: cbor@ietf.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: "Concise Binary Object Representation \(CBOR\)" <cbor.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/cbor>, <mailto:cbor-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/cbor/>
List-Post: <mailto:cbor@ietf.org>
List-Help: <mailto:cbor-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/cbor>, <mailto:cbor-request@ietf.org?subject=subscribe>
X-List-Received-Date: Sat, 23 Jan 2021 21:49:48 -0000

On 23. Jan 2021, at 22:39, Michael Richardson <mcr+ietf@sandelman.ca> wrote:
> 
> It just avoids the CBOR Sequence.
> The first element is something.  It can be a CBOR Tag<CBOR>.
> The real item is second element.


I’m still intrigued.
So why not just put the tag on the data item to be tagged?

Grüße, Carsten

v2.23.0 | Report a Bug | By Email