2024-07-22 AnonCreds Working Group Meeting

Summary

Feedback from Cryptographers on the European ARF
Recap of DICE (Decentralized Identity unConference Europe) and other Conferences
Suggestion from Jan Camenisch – ZKP to prove bound Hardware Key to a ZKP Proof
Revocation Manager for ALLOSAUR
Help Me Understand
- How do we BBS Support into AnonCreds v2?
- What BBS Library should we use?
- Are all of the AnonCreds v2 features supported in all Libraries?

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Stephen Curran (BC Gov / Cloud Compass Computing Inc.) <swcurran@cloudcompass.ca>
Steve McCown (Anonyome Labs) <smccown@anonyome.com

AnonCreds v1.0:
- The v1.0 specification is published here: https://hyperledger.github.io/anoncreds-spec/
- The Working Group uses this GitHub repository to manage the specification: https://github.com/hyperledger/anoncreds-spec
- The AnonCreds Methods Registry: https://hyperledger.github.io/anoncreds-methods-registry
- The v1.0 implementation in Rust is here: https://github.com/hyperledger/anoncreds-rs
- The v1.0 implementation is dependent on this Rust CL Signatures implementation: https://github.com/hyperledger/anoncreds-clsignatures-rs
AnonCreds v2.0
- The initial framework for the v2.0 specification repository is here: https://github.com/hyperledger/anoncreds-spec-v2
- The v2.0 implementation in Rust is here: https://github.com/hyperledger/anoncreds-v2-rs
- Underlying AnonCreds v2.0 are cryptographic libraries in Hyperledger Labs Agora

Feedback from Cryptographers on the European ARF
- GitHub Issue: https://github.com/eu-digital-identity-wallet/eudi-doc-architecture-and-reference-framework/issues/66
- Paper: https://github.com/user-attachments/files/15904122/cryptographers-feedback.pdf
Proposal from Dfinity / Google / Jan Camenisch for using ZKPs with Hardware Keys
- EUDI_Follow_up-2.pdf
Status updates from current work:
- Revocation Manager for ALLOSAUR Project – Hyperledger Mentorship project being executed by VictorH2208 Project plan
- BBS Signatures
- Audit Updates from Mike Lodder:
  - blsful - audit complete and published in Agora
  - Audit complete: Genaro to be contributed
  - Audits wrapping up: verifiable-secret-sharing (overview meeting this Thursday)
  - Being audited: threshold-mpc libraries
Open Discussion