openid / openid/OpenID4VP

Add JWS as Credential Format Specific Parameter

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Description

To support existing credentials like pure Json Web Signatures, I would like to request a new chapter under Appendix B. The content would be like the existing SD-JWT-VC one, but without the SD features and vct.

This is relevant in case of the RP Authorization approach that we have defined for the EUDI Wallet in Germany, where a RP has to provide a specific credential to authorized to request a credential from the wallet.

Of course we could just issue these JWS as SD-JWT VC without disclosure, but in this case case we can not reuse existing JWS that are already used out there. In the long run there would be more credentials like x509 certificates that could be used for authorization and be queried via DCQL, but this is not relevant for now.

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Research direction

The issue points to Appendix B and the existing SD-JWT-VC chapter; start by comparing that chapter with the requested pure JWS credential format. Define the new chapter without SD features or vct, and ensure it covers the stated RP Authorization use case and DCQL querying context.

Written by the indexing model from the issue text.

Assessment

Domain
authorization, documentation, security
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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