2024-06-24 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?

Time: 15:00 Pacific / 16:00 Mountain / Super Late Central Europe (Midnight...) / 10:00 Auckland
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>
• 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:
  
  • Identiverse - next week
  • EuroCrypt
  • EIC
  • Identity Week - this week
  • DICE – IIW Europe
• Any updates to the Agenda?

Agenda

• 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
• 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?
• 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?
• 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
• Next Meeting
• Open Discussion

To Dos:

Action items