openid / openid/OpenID4VP

How wallet requests encrypted JAR from the Verifier?

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Description

Under section 5.10 there is the following:

If the Wallet requires the Verifier to encrypt the Request Object, it SHOULD use the jwks parameter within the wallet_metadata parameter to pass public encryption keys.

I have the impression that using jwks is not enough, because Verifier doesn't know which encryption method to use.

Perhaps there need to be either

  • request_object_signing_alg_values_supported and request_object_encryption_enc_values_supported as defined in JAR, or
  • request_object_encryption_enc_values_supported provided that all jwks elements contain alg.

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start with section 5.10 of the OpenID4VP specification and compare its wallet_metadata and jwks guidance with the JAR requirements mentioned in the issue. Determine what encryption-algorithm metadata is needed, then document an agreed specification change and its required examples or tests.

Written by the indexing model from the issue text.

Assessment

Tech stack
cryptography
Domain
security
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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