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Summary

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14 Jan 2021 4PM UTC, 8AM PDT, 9AM MDT, 11AM EDT

Welcome/Introductions

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

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• Main Identity WG
  • Meeting Notes:  2021-01-06
    • "SSI with Biometrics" – Debajani Mohanty
    • Recording:  VIDEO
    • Topics:  what happens when biometrics return more than one person's identity?  How is de-duplication performed?

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• Hyperledger Aries
  • Aries Working Group meetings:
    • Meeting Agenda & Notes:  Aries Working Group
    • WG A: 2021-01-13-A Aries Working Group Call (AMER morning)
      • Project updates 
      • Interoperable storage network built for the decentralized world:  https://source.network/
    • WG B:  2021-01-13-B Aries Working Group Call (US afternoon)
      • Hosted Mediator for community use - Daniel Bluhm / Indicio https://indicio-tech.github.io/mediator/
      • AIP Next
        • https://github.com/hyperledger/aries-rfcs/pull/579
        • change from did:key to self encoded keys
        • JWE envelope
      • PR/Issues
        • 580 - Issue Credential V2 - Adjustments
        • 577 - change from did:key to self encoded keys
    • Aries Interop Profile AIP RFC 302:  https://github.com/hyperledger/aries-rfcs/tree/master/concepts/0302-aries-interop-profile
  • Aries Agents (Cloud Agent Python, Static Agent)
    • Release 0.6.0 available, includes
      • OOB/DID Exchange support merged – testing/tweaking
      • Adjustments for supporting aries-askar – mostly internal
      • Multi-Tenant Support -  SICPA and collaborators (Animo, Anon Solutions)
      • Mediator Support – Indicio - ACA-Py as mediator, ACA-Py as mediator client (through connections protocol) merged; Admin API, fixes in progress; need to add support for DID Exchange/OOB
    • In Progress:
      • Persistent Queues – Kiva – WIP PR submitted using redis
      • More on OOB
      • Credential Exchange V2 (RFC 0453/0454)
    • Starting soon:
      • Getting to W3C Verifiable Credential support with ZKP and Selective Disclosure with Revocation.
        • DHS SVIP JSON-LD Verifiable Credential exchange in Aries Protocols
  • Aries Shared Libraries (agent storage, vdr, utils)
    • indy-vdr (Andrew Whitehead)  https://github.com/hyperledger/indy-vdr - communication with Indy-Node ledgers
    • indy-shared-rs - https://github.com/hyperledger/indy-shared-rs - includes indy-credx (Anoncreds support) and related packages
    • aries-askar - https://github.com/hyperledger/aries-askar - secure storage (wallet) initiative
  • Aries Language Frameworks and SDKs (Go, Java, JavaScript, .NET, Ruby, Python)
  • Aries-Framework-Go #aries-go
    • 2021-01-12 Framework Go Weekly Planning
      • Aries framework go wallet design
      • New CouchDB provider implementing the new storage interface
      • Leave BBS+ Selective Disclosure proofs only (#2442)
      • BBS+ selective disclosure extended examples (#2416) 
  • Aries-SDK-Ruby 
    • Horcrux gem for ActiveStorage (0.0.4), moved to https://github.com/decentralized-identity/activestorage-horcrux
  • Tools
    • Aries Toolbox – supports ACA-Py 5.3 https://github.com/thclab/aries 
    • Aries Protocol Test Suite - https://github.com/hyperledger/aries-protocol-test-suite
      
    • Aries Agent Test Harness - https://github.com/bcgov/aries-agent-test-harness

• Hyperledger Ursa
  • Homepage:  Hyperledger Ursa (EOL) 
  • 2021-01-06 Meeting Agenda
    • Distributed BBS+:  (https://www.orbs.com/wp-content/uploads/2019/04/Crypto_Group_signatures-2.pdf
    • Signature structure and types:
      1. "Simple" Signatures:  KeyGen, Sign, Verify.
      2. Blind Signatures.  KeyGen, Blind, Sign, (Blinded Sign?), Unblind, Verify.
      3. Threshold Signatures.  KeyGen (more complicated), SignShare, Combine, Verify.
         1. Multi-round threshold signature.  Can have extra definition for interactive protocols.  
         2. Can have multiple types of KeyGen.  
      4. Multisignatures.  Multiple signers have signed THE SAME message.
      5. Aggregate signatures.  Multiple signers have signed potentially different messages.
      6. Short group signatures.  Need precise definitions.
    • How should we handle MPC and communication?
      1. Secure channel operations.  How about ratcheting?
      2. Example:  ECDSA.

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• Other?

Presentation

Slides:  

Future Topics

• Trust over IP (www.trustoverip.org) 

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