Hi David,

the parameter registration is fundamentally OK.

It is a bit lacking in the description of how the text string values are 
created.  Since the Content-Type includes parameters, it is not quite correct 
to say that [IANA.MediaTypes] is the full source of information about this.

While I don’t think implementers will generally have problems inferring what is 
not said, an explicit reference to a Content-Type definition could help with 
the fine points.
RFC 9110 provides one; RFC 9193 also provides one that is more tightly defined 
(instead of using OWS, it just allows spaces); more tightly defined is usually 
preferable in a security-related specification.

Grüße, Carsten


> On 2024-02-21, at 02:33, David Dong via RT 
> <[email protected]> wrote:
> 
> Dear Francesca and Carsten (cc: cose WG),
> 
> Following up on this; as the designated experts for the COSE Header 
> Parameters registry, can you review the proposed registration in 
> draft-ietf-cose-typ-header-parameter-02 for us? Please see
> 
> https://datatracker.ietf.org/doc/draft-ietf-cose-typ-header-parameter/
> 
> The due date is February 27.
> 
> If this is OK, when the IESG approves the document for publication, we'll 
> make the registration at:
> 
> https://www.iana.org/assignments/cose/
> 
> Unless you ask us to wait for the other reviewer, we’ll act on the first 
> response we receive.
> 
> With thanks,
> 
> David Dong
> IANA Services Sr. Specialist
> 
> On Tue Feb 13 04:26:05 2024, david.dong wrote:
>> Dear Francesca and Carsten (cc: cose WG),
>> 
>> As the designated experts for the COSE Header Parameters registry, can
>> you review the proposed registration in draft-ietf-cose-typ-header-
>> parameter-02 for us? Please see
>> 
>> https://datatracker.ietf.org/doc/draft-ietf-cose-typ-header-parameter/
>> 
>> The due date is February 27.
>> 
>> If this is OK, when the IESG approves the document for publication,
>> we'll make the registration at:
>> 
>> https://www.iana.org/assignments/cose/
>> 
>> Unless you ask us to wait for the other reviewer, we’ll act on the
>> first response we receive.
>> 
>> With thanks,
>> 
>> David Dong
>> IANA Services Sr. Specialist
> 

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