[media-types] Re: [IANA #1421575] application/vp+sd-jw t registration request

Michael Jones <[email protected]>
Newsgroups gmane.ietf.types
Message-ID <BL0PR12MB249951189E96406A0E91EBD0B7E1A@BL0PR12MB2499.namprd12.prod.outlook.com>
Murray, I’m on a W3C VCWG call now, which made me wonder if you’re ready to approve this registration now.

                                Thank you,
                                -- Mike

-----Original Message-----
From: Michael Jones
Sent: Wednesday, October 1, 2025 1:18 AM
To: [email protected]
Cc: [email protected]; [email protected]; Darrel Miller <[email protected]>; Brent Zundel <[email protected]>
Subject: RE: [media-types] [IANA #1421575] application/vp+sd-jwt registration request

Hi Murray and Darrell,

This registration request has been pending since June.  Murray, we had a special call about this registration request with yourself, Brian Campbell, Brent Zundel, and me on Monday, August 18th.  You were going to ask the IESG for opinions about the registration during their meeting that week.  Since that, we haven't heard anything.

As we discussed in August, yes, perhaps the W3C can revise the specification to address Brian's concerns with the nature of the specification in the future, but him asking to change a W3C Recommendation (a final specification) https://www.w3.org/TR/vc-jose-cose/ is beyond the scope of IANA request processing.  The existing specification text is clear, even if Brian takes exception to what it does.  Furthermore, Brian was in the W3C Verifiable Credentials working group that created that specification text, and while he was a dissenter, the specification is the result of working group consensus.  Brent Zundel was the working group chair and ably ensured that the working group reached the best consensus available.

I therefore request that this registration be approved so we can all move on.  This has consumed an inordinate amount of people's time and emotional energy.  Brian agrees with this sentiment as well.

                                Thank you,
                                -- Mike

-----Original Message-----
From: Amanda Baber via RT <[email protected]>
Sent: Saturday, September 27, 2025 4:59 AM
Cc: [email protected]; [email protected]
Subject: [media-types] [IANA #1421575] application/vp+sd-jwt registration request

Hi Murray,

Sending a reminder for this one.

thanks,
Amanda

On Fri Sep 05 00:18:09 2025, amanda.baber wrote:
> application/vc+sd-jwt had a couple of minor issues that are still
> waiting on somebody from W3C. I think they were on vacation all month.
>
> Amanda
>
> On Thu Sep 04 23:30:11 2025, [email protected] wrote:
> > It is blocked on me sending, and getting an answer to, a liaison
> > statement with W3C.
> >
> > I think, though, that its "application/vc+whatever" cousin is good
> > to go, right?
> >
> > -MSK
> >
> > On Fri, Aug 29, 2025 at 12:33 PM Amanda Baber via RT <
> > [email protected]> wrote:
> >
> > > Hi Murray,
> > >
> > > Just sending a reminder for this one. I've seen the draft of the
> > > narrative minutes from the last telechat (and copied them into our
> > > ticket), so I know this is in progress.
> > >
> > > thanks,
> > > Amanda
> > >
> > > On Sun Aug 10 17:20:24 2025, [email protected] wrote:
> > > > (dropping the media-types list)
> > > >
> > > > This is apparently somewhat controversial.  At IETF 123 in
> > > > Madrid, the advice I got from the W3C liaison was to reject it.
> > > > We were supposed to have an in-person conference but it got
> > > > screwed up (my fault) so I'll be putting together a VC to
> > > > resolve it this week.
> > > >
> > > > Please leave it with me, I'll drive it to resolution ASAP.
> > > >
> > > > -MSK
> > > >
> > > > On Fri, Aug 1, 2025 at 7:32 AM Darrel Miller <[email protected]>
> > > > wrote:
> > > >
> > > > > Hi David,
> > > > >
> > > > > Yes. I can review these.  I just need to page back in all the
> > > > > history around this. 🙂
> > > > >
> > > > > Darrel
> > > > > ------------------------------
> > > > > *From:* David Dong via RT <[email protected]>
> > > > > *Sent:* Wednesday, July 30, 2025 8:20 PM
> > > > > *Cc:* Darrel Miller <[email protected]>; [email protected] <
> > > > > [email protected]>; [email protected]
> > > > > <[email protected]>
> > > > > *Subject:* [IANA #1421575] application/vp+sd-jwt registration
> > > > > request
> > > > >
> > > > > Hi Darrel,
> > > > >
> > > > > Just wanted to follow up on this to see if you're able to take
> > > > > these two W3C requests from June 24th; thank you.
> > > > >
> > > > > Best regards,
> > > > >
> > > > > David Dong
> > > > > IANA Services Sr. Specialist
> > > > >
> > > > > On Wed Jul 23 08:41:59 2025, [email protected] wrote:
> > > > > > I'm happy to dive in, but it looks like there's long history
> > > > > > here and Darrel was directly involved in the previous thread
> > > > > > that Brian started
> > > > > and
> > > > > > thus may have more context.  He can probably swap in faster
> > > > > > than I can
> > > > > come
> > > > > > up to speed, so perhaps these two should be assigned to him.
> > > > > > Darrel, any
> > > > > > opinion?
> > > > > >
> > > > > > -MSK
> > > > > >
> > > > > > On Tue, Jul 22, 2025 at 4:39 PM Amanda Baber via RT <
> > > > > > [email protected]> wrote:
> > > > > >
> > > > > > > Hi Murray,
> > > > > > >
> > > > > > > Sending a reminder for the two W3C requests from June 24th.
> > > > > > > We
> > > > > > > have
> > > > > > > feedback from Brian, but we need any feedback to be
> > > > > > > incorporated into
> > > > > your
> > > > > > > response in order to pass it on.
> > > > > > >
> > > > > > > thanks,
> > > > > > > Amanda
> > > > > > >
> > > > > > > On Wed Jun 25 15:31:34 2025, [email protected]
> > > > > > > wrote:
> > > > > > > > As previously argued on this list[1], the
> > > > > > > > "application/vp+sd-
> > > > > > > > jwt"
> > > > > > > > media
> > > > > > > > type is a net harm to the internet and should not be
> > > > > > > > endorsed, or given the impression of endorsement, by the
> > > > > > > > IETF or IANA through registration.
> > > > > > > >
> > > > > > > > [1]
> > > > > > > > http://https/
> > > > > > > > %3A%2F%2Fmailarchive.ietf.org%2Farch%2Fmsg%2Fmedia-&data
> > > > > > > > =05%7C02%7C%7Cdbe45fd5c0c64d1dc80008ddfd71c188%7C84df9e7
> > > > > > > > fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C638945387203263372%7
> > > > > > > > CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwL
> > > > > > > > jAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D
> > > > > > > > %3D%7C0%7C%7C%7C&sdata=uS3yLU5Jadq9YzkhwATColCNohDI1RT8A
> > > > > > > > ZT0Ccab%2B4E%3D&reserved=0
> > > > > > > > types/VnhrnlQmh8rtlo6iU8gS1QYYK_I/
> > > > > > > > http://https/
> > > > > > > > %3A%2F%2Fmailarchive.ietf.org%2Farch%2Fmsg%2Fmedia-&data
> > > > > > > > =05%7C02%7C%7Cdbe45fd5c0c64d1dc80008ddfd71c188%7C84df9e7
> > > > > > > > fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C638945387203287419%7
> > > > > > > > CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwL
> > > > > > > > jAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D
> > > > > > > > %3D%7C0%7C%7C%7C&sdata=wUX%2Fk0%2F%2BvLpvVGijwe1hLbqbOHV
> > > > > > > > NvjWz4EFKD4FMsCI%3D&reserved=0
> > > > > > > > types/AL6QDGXYl-
> > > > > > > > zsfkN4x_S9Jq_RX9I/
> > > > > > > > http://https/
> > > > > > > > %3A%2F%2Fmailarchive.ietf.org%2Farch%2Fmsg%2Fmedia-&data
> > > > > > > > =05%7C02%7C%7Cdbe45fd5c0c64d1dc80008ddfd71c188%7C84df9e7
> > > > > > > > fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C638945387203304502%7
> > > > > > > > CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwL
> > > > > > > > jAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D
> > > > > > > > %3D%7C0%7C%7C%7C&sdata=XOgzLOXiPOgyUdY2DJMfLEG8HX%2F2Bod
> > > > > > > > %2FnlUWGeYZZgs%3D&reserved=0
> > > > > > > > types/G9Lku0QcRYjjG09QXUYurqfOtQA/
> > > > > > > >
> > > > > > > > On Tue, Jun 24, 2025 at 1:12 PM Amanda Baber via RT <
> > > > > > > > [email protected]> wrote:
> > > > > > > >
> > > > > > > > > Hi Murray,
> > > > > > > > >
> > > > > > > > > This is #2 of 2 from W3C.
> > > > > > > > >
> > > > > > > > > thanks,
> > > > > > > > > Amanda
> > > > > > > > >
> > > > > > > > > =====
> > > > > > > > >
> > > > > > > > > Name: Ivan Herman
> > > > > > > > >
> > > > > > > > > Email: [email protected]
> > > > > > > > >
> > > > > > > > > Media type name: application
> > > > > > > > >
> > > > > > > > > Media subtype name: vp+sd-jwt
> > > > > > > > >
> > > > > > > > > Required parameters: N/A
> > > > > > > > >
> > > > > > > > > Optional parameters: N/A
> > > > > > > > >
> > > > > > > > > Encoding considerations: binary
> > > > > > > > >
> > > > > > > > > application/sd-jwt values are a series of base64url-
> > > > > > > > > encoded values (some of which may be the empty string)
> > > > > > > > > separated by period
> > > > > > > > > ('.')
> > > > > > > > > and
> > > > > tilde
> > > > > > > > > ('~')
> > > > > > > > > characters.
> > > > > > > > >
> > > > > > > > > Security considerations: As defined in
> > > > > > > > > http://htt/
> > > > > > > > > ps%3A%2F%2Fwww.w3.org%2FTR%2Fvc-jose-cose%2F%23securit
> > > > > > > > > y-&data=05%7C02%7C%7Cdbe45fd5c0c64d1dc80008ddfd71c188%
> > > > > > > > > 7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C638945387
> > > > > > > > > 203322758%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRy
> > > > > > > > > dWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbC
> > > > > > > > > IsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=7gDyJvnstttBfnPm
> > > > > > > > > 7ayOL1SF0OiU0lWbrjMsGGH%2BxZY%3D&reserved=0
> > > > > > > > > considerations.
> > > > > > > > > See
> > > > > also
> > > > > > > > > the
> > > > > > > > > security considerations in Selective Disclosure for
> > > > > > > > > JWTs
> > > > > > > > > (SD-
> > > > > > > > > JWT) (
> > > > > > > > > http://htt/
> > > > > > > > > ps%3A%2F%2Fdatatracker.ietf.org%2Fdoc%2Fhtml%2Fdraft-i
> > > > > > > > > etf-oauth-&data=05%7C02%7C%7Cdbe45fd5c0c64d1dc80008ddf
> > > > > > > > > d71c188%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C6
> > > > > > > > > 38945387203339636%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1h
> > > > > > > > > cGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIj
> > > > > > > > > oiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=8myXw8J6
> > > > > > > > > 5RpIqAALZI1x4u705Iit4I8keAYPqWjbRxs%3D&reserved=0
> > > > > > > > > selective-
> > > > > > > > > disclosure-jwt
> > > > > > > > > ).
> > > > > > > > >
> > > > > > > > > Interoperability considerations: As defined in
> > > > > > > > > https://www.w3.org/TR/vc-jose-cose/#conformance.
> > > > > > > > >
> > > > > > > > > Published specification:
> > > > > > > > > http://htt/
> > > > > > > > > ps%3A%2F%2Fwww.w3.org%2FTR%2Fvc-jose-&data=05%7C02%7C%
> > > > > > > > > 7Cdbe45fd5c0c64d1dc80008ddfd71c188%7C84df9e7fe9f640afb
> > > > > > > > > 435aaaaaaaaaaaa%7C1%7C0%7C638945387203372722%7CUnknown
> > > > > > > > > %7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDA
> > > > > > > > > wMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%
> > > > > > > > > 7C0%7C%7C%7C&sdata=La%2FABfB7dEpI1kt7mY4H8k2YiYa56jJ9Q
> > > > > > > > > %2FCATFNeLGA%3D&reserved=0 cose
> > > > > > > > >
> > > > > > > > > Applications which use this media: W3C Verifiable
> > > > > > > > > Credential
> > > > > issuer,
> > > > > > > > > holder, and verifier software, conforming to the
> > > > > [VC-DATA-MODEL-2.0]
> > > > > > > > > (
> > > > > > > > > http://htt/
> > > > > > > > > ps%3A%2F%2Fwww.w3.org%2FTR%2Fvc-data-model-2.0%2F&data
> > > > > > > > > =05%7C02%7C%7Cdbe45fd5c0c64d1dc80008ddfd71c188%7C84df9
> > > > > > > > > e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C6389453872033897
> > > > > > > > > 94%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlY
> > > > > > > > > iOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUI
> > > > > > > > > joyfQ%3D%3D%7C0%7C%7C%7C&sdata=6Xie8IGiGw615Wt5NTjYuRC
> > > > > > > > > ShzodiX0G4YRwzLPN90o%3D&reserved=0), are among the
> > > > > applications
> > > > > > > > > that will use the media types. Conforming application
> > > > > > > > > types are described in
> > > > > > > > > http://htt/
> > > > > > > > > ps%3A%2F%2Fwww.w3.org%2FTR%2Fvc-jose-cose%2F%23conformance&data=05%7C02%7C%7Cdbe45fd5c0c64d1dc80008ddfd71c188%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C638945387203406588%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=2tEou1w96940MxCbD0AaMZX0TRRwEUaEGvQIwpzefNU%3D&reserved=0 and https://www.w3.org/TR/vc-data-model-2.0/#conformance.
> > > > > > > > >
> > > > > > > > > Fragment identifier considerations: N/A
> > > > > > > > >
> > > > > > > > > Restrictions on usage: N/A
> > > > > > > > >
> > > > > > > > > Provisional registration? (standards tree only): No
> > > > > > > > >
> > > > > > > > > Additional information:
> > > > > > > > >
> > > > > > > > > 1. Deprecated alias names for this type: N/A 2. Magic
> > > > > > > > > number(s): N/A 3. File extension(s): N/A 4. Macintosh
> > > > > > > > > file type code: N/A 5. Object Identifiers: N/A
> > > > > > > > >
> > > > > > > > > General Comments:
> > > > > > > > >
> > > > > > > > > Person to contact for further information:
> > > > > > > > >
> > > > > > > > > 1. Name: Ivan Herman
> > > > > > > > > 2. Email: [email protected]
> > > > > > > > >
> > > > > > > > > Intended usage: COMMON
> > > > > > > > >
> > > > > > > > > Author/Change controller: W3C Verifiable Credentials
> > > > > > > > > Working Group [email protected]
> > > > > > > > >
> > > > > > > > > _______________________________________________
> > > > > > > > > media-types mailing list -- [email protected] To
> > > > > > > > > unsubscribe send an email to media-types-
> > > > > > > > > [email protected]
> > > > > > > > >
> > > > > > >
> > > > >
> > > > >
> > > > <https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%25
> > > > 2Fwww.norton.com%2F&data=05%7C02%7C%7Cdbe45fd5c0c64d1dc80008ddfd
> > > > 71c188%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C638945387203
> > > > 440591%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwL
> > > > jAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%
> > > > 7C%7C%7C&sdata=AuYCowEeENSm74iCzJun2btAU0Qs9abZiKaKZWR7D2k%3D&re
> > > > served=0>
> > > > Virus-free.http://ht/
> > > > tp%3A%2F%2Fwww.norton.com%2F&data=05%7C02%7C%7Cdbe45fd5c0c64d1dc
> > > > 80008ddfd71c188%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C638
> > > > 945387203458057%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUs
> > > > IlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3
> > > > D%3D%7C0%7C%7C%7C&sdata=08aGoWtaPGx%2FgMX4QhAz6yQU5%2FqZreS%2FR%
> > > > 2FbhtLn3CN8%3D&reserved=0
> > > > <#DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2>
> > >
> > >

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