[Ace] Re: [IANA #1430577] expert review for draft-ietf-ace-key-groupcomm-oscore (core-parameters)

Esko Dijk <esko.dijk@iotconsultancy.nl> Wed, 24 September 2025 07:33 UTC

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Date: Wed, 24 Sep 2025 09:33:49 +0200
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References: <RT-Ticket-1430577@icann.org> <rt-5.0.3-710182-1758671854-228.1430577-9-0@icann.org> <rt-5.0.3-717964-1758672349-1731.1430577-9-0@icann.org>
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From: Esko Dijk <esko.dijk@iotconsultancy.nl>
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Subject: [Ace] Re: [IANA #1430577] expert review for draft-ietf-ace-key-groupcomm-oscore (core-parameters)
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Hi,

The Content Type name needs to be updated I believe. Applying the 
following rules:

* encoding of parameters per Section 5.6.6 of RFC 9110, using a 
semicolon as separator between all parameters
* rule 2 of Section 4.1.4 of draft-ietf-core-cf-reg-update-09, make 
parameters unquoted
* rule 1 of Section 4.1.4 of draft-ietf-core-cf-reg-update-09, implies: 
parameter names in lowercase

the resulting types would be:

application/aif+cbor;toid=oscore-gname;tperm=oscore-gperm

application/aif+json;toid=oscore-gname;tperm=oscore-gperm


Some of these results may be unexpected, so I'm okay to have some 
discussion around this if needed!

For the remaining items of the registration request I don't have 
comments: these look good, and agree on the proposed CF numbers.

best regards,
Esko


On 24-9-2025 02:05, Sabrina Tanamal via RT wrote:
> Hi Esko (cc: ace wg),
>
> As the designated expert for the CoAP Content-Formats registry, can you review the proposed registrations in Section 16.9 of draft-ietf-ace-key-groupcomm-oscore-18 for us? Please see
>
> https://datatracker.ietf.org/doc/html/draft-ietf-ace-key-groupcomm-oscore-18
>
> The due date is October 7th.
>
> If these are OK, when the IESG approves the document for publication, we'll make the registrations at:
>
> https://www.iana.org/assignments/core-parameters
>
> Thanks,
> Sabrina

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