2025-01-13 AnonCreds Working Group Meeting

Summary

• "AnonCredsBBS" – Overview of the PR That Implements BBS
• Status update on Revocation Manager
• Open Discussion

Time: 7:00 Pacific / 16:00 Central Europe

Call Link: https://zoom.us/j/97954159540?pwd=WWk3WmQ3MVh1SXBYZGVreGl0QllGdz09

Recording: https://youtu.be/lA7iJDBAmzw

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:
• Any updates to the Agenda?

Agenda

• BBS Support for AnonCreds v2 has been added (PR #39) – an overview of the added code
  • Changes: 
    • Swappable signature scheme – PS and BBS (potential for others?)
    • BBS implementation
    • Test updates
    • Other?
  • AnonCreds features supported:
    • Selective disclosure, signed integer expression, range proof, blinded attribute, pseudonymous identifiers, claim equality, verified encryption, membership proof, revocation
  • Differences from what is described in the AnonCreds v2 Readme?
• Status update on the Revocation Manager Project and debugging an issue
• Open Discussion

To Dos:

Action items