With respect to application/vc+sd-jwt, I hope you'd agree that an IETF
SD-JWT VC and an SD-JWT with a payload conforming to the VCDM 2.0 are
distinctly different things and that it'd be wholly inappropriate to use
the same media type to represent them.

As far application/vp+sd-jwt goes, I don't personally see a reasonable
justification for the existence of using SD-JWT to secure verifiable
presentations conforming to the VCDM 2.0. But that's a digression that I
don't have the energy or motivation to further try to convince the W3C VC
WG about. The concept isn't relevant in the IETF SD-JWT VC context though
so there's nothing to do with respect to having it work for both.

On Thu, Jun 20, 2024 at 4:08 PM Michael Jones <[email protected]>
wrote:

> It’s my hope that the registrations of application/vc+sd-jwt and
> application/vp+sd-jwt will be able to be done in a way that works for both
> VC-JOSE-COSE and SD-JWT-VC.  As I see it, that should be an attainable goal
> and one that the interested parties should work together towards.
>
>
>
>                                                                 -- Mike
>
>
>
> *From:* Brian Campbell <[email protected]>
> *Sent:* Thursday, June 20, 2024 1:19 PM
> *To:* Orie Steele <[email protected]>
> *Cc:* [email protected]; oauth <[email protected]>
> *Subject:* [OAUTH-WG] Re: [media-types] Re: Request for registering media
> types and structured suffixes defined by W3C VCWG candidate recommendations
>
>
>
> Thanks for pointing out the potential dependencies and collisions on the
> horizon. As a co-author on a couple of the documents mentioned and a
> general media type novice, I have a couple of observations and questions.
>
>
>
> The
> https://datatracker.ietf.org/doc/draft-ietf-oauth-selective-disclosure-jwt/
> document does plan to request registration of a "+sd-jwt" structured syntax
> suffix. I believe (hope is perhaps a better word) that the draft is nearing
> WGLC and it could all happen this year.
>
>
>
> The https://datatracker.ietf.org/doc/draft-ietf-oauth-sd-jwt-vc/
> document, which builds on the aforementioned document, plans on requesting
> registration of an "application/vc+sd-jwt" media type. That draft is less
> mature overall and not expected to be "finished" anytime soon. However, the
> "application/vc+sd-jwt" media type is already being used in implementations
> as well as downstream specifications and profiles.
>
>
>
> Would it be useful in avoidance of dependencies to request early or
> provisional registration of that structured syntax suffix and media type?
> Please forgive my ignorance of the process but is early or provisional
> registration even possible?
>
>
>
>
>
> On Mon, Jun 10, 2024 at 10:58 AM Orie Steele <[email protected]>
> wrote:
>
> [ as an individual ]
>
> +sd-jwt is requested to be registered in this document:
>
>
> https://datatracker.ietf.org/doc/html/draft-ietf-oauth-selective-disclosure-jwt-08#name-structured-syntax-suffix-re
>
> +cwt is requested to registered in this document:
>
>
> https://datatracker.ietf.org/doc/html/draft-ietf-rats-eat-media-type-07#name-cwt-structured-syntax-suffi
>
> Both drafts are still work in progress, but for the W3C Verifiable
> Credentials use case, only +sd-jwt might be relevant, since +cwt is for
> claimsets that are CBOR maps where the map keys come from
> https://www.iana.org/assignments/cwt/cwt.xhtml
>
> Based on the comments I've seen here, I would expect to see requests for
> the following:
>
> application/vc
> application/vc+jwt
> application/vc+cose
> application/vc+sd-jwt (depends on the draft above)
>
> application/vp
> application/vp+jwt
> application/vp+cose
> application/vp+sd-jwt (depends on the draft above)
>
> Perhaps it is worth asking now if application/vc+sd-jwt will be rejected,
> since it is currently already being requested here:
>
>
> https://datatracker.ietf.org/doc/html/draft-ietf-oauth-sd-jwt-vc-03#name-application-vcsd-jwt
>
> Including OAuth for awareness.
>
> Regards,
>
> OS
>
>
>
> On Mon, Jun 10, 2024 at 10:33 AM Manu Sporny <[email protected]>
> wrote:
>
> On Mon, Jun 10, 2024 at 10:22 AM Alexey Melnikov
> <[email protected]> wrote:
> > Yes, I can confirm that the registration is currently denied due to
> > unclear rules about multiple structured suffixes, as well as lack of any
> > conlusion on how to proceed on the mailing list.
>
> Thank you, Alexey, much appreciated, that helps the VCWG move forward.
>
> We'll update our specs and send in another set of registrations that
> will fall more in line w/ the current accepted practices at IANA.
>
> -- manu
>
> --
> Manu Sporny - https://www.linkedin.com/in/manusporny/
> Founder/CEO - Digital Bazaar, Inc.
> https://www.digitalbazaar.com/
>
> _______________________________________________
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>
>
>
>
> --
>
>
>
>
> *ORIE STEELE *Chief Technology Officer
> www.transmute.industries
>
> <https://transmute.industries/>
>
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