2024-07-08 AnonCreds Working Group Meeting

Summary

Time: 7:00 Pacific / 16:00 Central Europe
Call Link: https://zoom.us/j/97954159540?pwd=WWk3WmQ3MVh1SXBYZGVreGl0QllGdz09

Recording: 

Notices: 

This specification creating group operates under the Linux Foundation Community Specification License v1.0.

Meeting Attendees

• Stephen Curran (BC Gov / Cloud Compass Computing Inc.) <swcurran@cloudcompass.ca>

Related Specifications and Repositories:

• 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

Meeting Preliminaries:

• Welcome and Introductions
• Announcements:
  • ALLOSAUR paper published at the ACM
  • Cryptographers feedback on the European ARF – document
    • Boilded down: Call for unlinkability based on BBS Signatures
• Any updates to the Agenda?

Agenda

• Help Me Understand:
  • Comparing Dock Networks Library and AnonCreds v2: Apples to Apples or Apples to Oranges?
  • How do we BBS Support into AnonCreds v2?
    • Hyperledger Labs Agora will have a BBS Library
      • Hyperledger Labs repos search for "agora" to see the (currently) 6 libraries.
        • allosaur recently added.
    • MTTR has an old version
    • W3C VC-DI-BBS working group – it BBS, blinded secret, pseudonymous identifiers (holder-, issuer-based)
  • What BBS Library should we use?
  • Are all of the AnonCreds v2 features supported in all Libraries?
• Revocation Manager for ALLOSAUR Project – Hyperledger Mentorship project being executed by VictorH2208 
  • Project plan
• Using AnonCreds with did:tdw
• Standing topic:
  • 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

To Dos:

Action items