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.

cifi	Hyperledger is committed to creating a safe and welcoming community for all. For more information please visit the Hyperledger Code of Conduct.

cifi	Hyperledger is committed to creating a safe and welcoming community for all. For more information please visit the Hyperledger Code of Conduct.

Meeting Attendees

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

• @Steve McCown (Anonyome Labs) <smccown@anonyome.com>

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