openid / openid/OpenID4VCI

OAuth 2.0 Protected Resource Metadata for the Credential Issuer?

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Description

I was wondering if it would make sense to state optionally that credential issuer may advertise OAuth 2.0 Protected Resource Metadata, in addition to credential issuer metadata.

  • In VCI scope is an optional attribute of a credential_configuration. If not provided, the wallet has a single - implied -option to use authorization_details, in authorization code grant. Resource metadata would allow the issuer to explicitly define this.
  • In VCI there is no option for the credential issuer to express DPoP requirements (required or not, supporter algorithms, DPoP Nonce etc).

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Research direction

Start by reading the VCI sections covering credential configuration, scope, authorization_details, and credential issuer metadata, then compare the linked OAuth 2.0 Protected Resource Metadata draft and its DPoP provisions. Done would require a resolved specification decision and corresponding updates to the VCI metadata requirements; no repository files or tests are named.

Written by the indexing model from the issue text.

Assessment

Domain
api, authentication, security
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
25/100

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