IETF Logo Mail Archive

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

Michael Richardson <mcr+ietf@sandelman.ca> Fri, 22 January 2021 00:29 UTC

Return-Path: <mcr+ietf@sandelman.ca>
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 C52943A0B23; Thu, 21 Jan 2021 16:29:08 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -1.899
X-Spam-Level:
X-Spam-Status: No, score=-1.899 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, 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 7JbHxIbFgi2u; Thu, 21 Jan 2021 16:29:06 -0800 (PST)
Received: from tuna.sandelman.ca (tuna.sandelman.ca [IPv6:2607:f0b0:f:3:216:3eff:fe7c:d1f3]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 0EC473A0B1D; Thu, 21 Jan 2021 16:29:05 -0800 (PST)
Received: from localhost (localhost [127.0.0.1]) by tuna.sandelman.ca (Postfix) with ESMTP id 7FB7C38B5B; Thu, 21 Jan 2021 19:31:07 -0500 (EST)
Received: from tuna.sandelman.ca ([127.0.0.1]) by localhost (localhost [127.0.0.1]) (amavisd-new, port 10024) with LMTP id RQbBir2toS0I; Thu, 21 Jan 2021 19:31:07 -0500 (EST)
Received: from sandelman.ca (obiwan.sandelman.ca [IPv6:2607:f0b0:f:2::247]) by tuna.sandelman.ca (Postfix) with ESMTP id 0A91D38B5A; Thu, 21 Jan 2021 19:31:07 -0500 (EST)
Received: from localhost (localhost [IPv6:::1]) by sandelman.ca (Postfix) with ESMTP id BB66565E; Thu, 21 Jan 2021 19:29:02 -0500 (EST)
From: Michael Richardson <mcr+ietf@sandelman.ca>
To: John Mattsson <john.mattsson@ericsson.com>
cc: Doug Ewell <doug@ewellic.org>, "cbor@ietf.org" <cbor@ietf.org>, 'cose' <cose@ietf.org>
In-Reply-To: <FE986215-E18C-46CA-91C7-6AEFE1C0B4DF@ericsson.com>
References: <3C77CB5D-6AEA-4D70-96A2-3826DB8DAB18@island-resort.com> <10306.1611186961@localhost> <008501d6ef9b$5cf35ab0$16da1010$@ewellic.org> <31755.1611237017@localhost> <FE986215-E18C-46CA-91C7-6AEFE1C0B4DF@ericsson.com>
X-Mailer: MH-E 8.6+git; nmh 1.7+dev; GNU Emacs 26.1
X-Face: $\n1pF)h^`}$H>Hk{L"x@)JS7<%Az}5RyS@k9X%29-lHB$Ti.V>2bi.~ehC0; <'$9xN5Ub# z!G,p`nR&p7Fz@^UXIn156S8.~^@MJ*mMsD7=QFeq%AL4m<nPbLgmtKK-5dC@#:k
MIME-Version: 1.0
Content-Type: multipart/signed; boundary="=-=-="; micalg="pgp-sha512"; protocol="application/pgp-signature"
Date: Thu, 21 Jan 2021 19:29:02 -0500
Message-ID: <7947.1611275342@localhost>
Archived-At: <https://mailarchive.ietf.org/arch/msg/cbor/VLc57DJQzP9u2n9Iiy5WibLdjxk>
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: Fri, 22 Jan 2021 00:29:09 -0000

John Mattsson <john.mattsson@ericsson.com> wrote:
    > It seems like there is agreement to specify a CBOR tag for a CBOR
    > certificate. I stated specifying this for the next -07 version, se
    > below.

I'm not sure what a _CBOR certificate_ is, and I suggest we don't use that
term for your document.  I think it's a CBOR-compressed PKIX certificate.
(CCPC if you like. Maybe someone can figure out how to backronym CCCP, and we
can them Soviet Russians)

    > I started to specify a tag based on Laurance suggestion to tag an array
    > wrapping the CBOR Sequence. I don't know how to best specify this data

I don't know either.

--
Michael Richardson <mcr+IETF@sandelman.ca>   . o O ( IPv6 IøT consulting )
           Sandelman Software Works Inc, Ottawa and Worldwide

v2.28.0 | Report a Bug | By Email | System Status