2024-06-10 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>

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:

  • Identiverse - next week

  • EuroCrypt

  • EIC

  • Identity Week - this week

  • DICE – IIW Europe - next week

• Any updates to the Agenda?

Agenda

• Privacy and Unlinkability without ZKPs – what do we think?

  • How do we get revocation?

• 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

      • https://github.com/hyperledger-labs/ search for "agora" to see the (currently) 5 libraries.

    • 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?

    • Coming Real Soon – will be in Agora

  • Are all of the AnonCreds v2 features supported in all Libraries?

• Reminder of new meeting times

  • THIS MEETING: Second Monday of each month – 7:00 Pacific / 16:00 Central Europe

  • NEXT MEETING: Fourth Monday of each month – 15:00 Pacific / 16:00 Mountain / Super Late Central Europe (Midnight...) / 10:00 Auckland 

• Audit Updates from Mike Lodder: 

  • blsful - audit complete and published in Agora

    • Now compatible with Dock Networks

  • Focus: Key Share Proofs

  • Audit complete: Genaro to be contributed

  • Audits coming: verifiable-secret-sharing, threshold-mpc libraries

• Open Discussion

To Dos:

Action items