#Openid4VCI

Annabelle Kennedyqueekusme@mastodon.scot
2025-11-11

So I now have a (very hard-coded) proof of concept for both an #OpenID4VCI and an #OpenID4VP server,

Still not sure how wallets are meant to verify if issuers/verifiers are legit as every wallet seems to implement their own trust anchors (which is going to be a nightmare for interoperability…)

There also doesn’t seem to be universal support in the wallets I’ve tried for did resolution for issuers/jwt-kid… e.g. `did:key:…` only one so far has supported it (igrant data wallet)

Annabelle Kennedyqueekusme@mastodon.scot
2025-10-30

Got bored and made a #ProofOfConcept #Openid4VCI server…

It piggybacks off of walt.id because I can't get any other wallets/vct to work right now but I have it issuing a VC in dc+sd-jwt format (because imho I think it's the best out of the current proposed standards)

Next steps is to see if I can specify my own custom vct document and see how it handles that…

This will become a lot easier once more wallets become available, apple adds OpenId4VCI support and/or more people create vct docs

2025-02-27

Released v0.4.0 of PID Issuer

Aligns with draft 15 of the spec, except key and wallet attestation
Also aligns to ARF 1.5 PID rulebook

github.com/eu-digital-identity

#eudi
#kotlin
#openid4vci

2025-02-27

Released v0.7.0 of OpenId4VCI library.

Aligns with draft 15 of the spec, except key and wallet attestation

github.com/eu-digital-identity

#eudi
#kotlin
#openid4vci

2024-08-30

Published v0.4.1 of OpenId4VCI library.

Adds support to OAUTH2 Attestation-Based Client Authentication.

github.com/eu-digital-identity

#eudi
#kotlin
#openid4vci

2024-08-23

Published v0.4.0 of OpenId4VCI library.

That's mainly a maintenance version.
- Removed code deprecated in 0.3.x
- Deprecating CWT Proofs and Batch Endpoint which were removed from OpenId4VCI

github.com/eu-digital-identity

#eudi
#kotlin
#openid4vci

2024-07-12

Published v0.3.3 of OpenId4VCI library.

- Improved ergonomics
- Automatically recovering from invalid_proof
- New README

github.com/eu-digital-identity

#eudi #kotlin #openid4vci

Client Info

Server: https://mastodon.social
Version: 2025.07
Repository: https://github.com/cyevgeniy/lmst