2025-03-24 AnonCreds Working Group Meeting

Summary

• Verified Encryption – "modes"
• AnonCreds Webinar
• Updates to GitHub
• Open Discussion

Time: 15:00 Pacific

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

Recording: To Be Added

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

• Upcoming Webinar: https://www.meetup.com/lfdt-sf/events/306421109/
• Verifiable encryption – different modes / names / functions
  • Names: verifiable-encryption and verifiable-encryption-decryption
    • verifiable-encryption:
      • Three parties
        • verifiable-encryption:
          • Address –  hash Address into a scalar - sign scalar into credential – Holder encrypts the scalar - present – verified by Verifier – sent to Authority – decrypt to hash – hash lookup to find address
        • verifiable-encryption-decryption
          • Small data – sign into credential – Holder encrypts the data - present – verified by Verifier – sent to Authority – decrypt to data
  • Private key holder
  • Plaintext Data / Encoded Data / Encrypted data / Presented Data / Decrypted data
  • Signed data / verified data
• GitHub Updates:
  • Documentation
  • Library Structure/components and security audits
  • Alignment with IETF - review/documentation
• Open Discussion

To Dos:

Action items