2020-08-19-B Aries Working Group Call (US afternoon)

Summary

• Issue Game
• Horcrux Protocol
• Transaction Endorser ("Please Sign This") Protocol

This call was recorded:

Date: 19 Aug 2020 (12PM Los Angeles, 3PM New York, Tuesday at 7AM Sydney)

Remember the Hyperledger Code of Conduct

Anti-Trust Policy:

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Attendees

• Sam Curren (Indicio) <sam@indicio.tech>
• John Callahan (Veridium) <jcallahan@veridiumid.com>
• Troy Ronda (SecureKey) <troy.ronda@securekey.com>
• Keith Smith (IBM) <bksmith@us.ibm.com>
• Stephen Curran (Cloud Compass Computing Inc.) <swcurran@cloudcompass.ca>
• George Aristy (SecureKey) <george.aristy@securekey.com>

Welcome / Introductions

Announcements

• Indy Interop-athon Conference - Details and registration
  • Efforts to organize led by Stephen Curran
  • User Story: As a prover, I want to be able to create a proof that includes claims from credentials rooted in different Indy networks that a verifier can verify so that I can easily interact with issuers using different Indy networks.

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Related Meetings Review

• Ursa - 
• SSI in IoT WG
• Indy Contributors - Every 2nd Tuesday 8am US/Pacific - Build and deploy help request
• Identity WG / Identity WG Implementer calls (Wed / Thurs) - July 30, at 9 am US/Mountain (Wiki page:  2020-08-13 Identity WG Implementers Call)
• DIF DIDComm WG - Monday's at Noon US/Pacific - Sam Curren (Mon) - DID Doc services, etc.

Upcoming Releases and Work Updates

• Aries Protocol Test Suite
  • Instructions, docker added - Try It!
  • Issue, credential, and proof tests are merged.
  • esatus backchannel
  • Regular friday meetings, contact Keith Smith for details
• Aries Agent Test Harness - https://github.com/bcgov/aries-agent-test-harness - Aries Interop Testing
  • Better alignment with RFCs - e.g. States; externalizing data elements - e.,g, credentials, proof requests
  • Issues raised in framework repos
  • aries-framework-dotnet work done to the level of ACA-Py testing - nice work by Timo Glastra and team at Animo
• Aries Shared:
  
  • indy-vdr (Andrew Whitehead)  https://github.com/hyperledger/indy-vdr
  • indy-credx - https://github.com/bcgov/indy-credx
    • Experimental ACA-Py branch created that can do credential exchange with indy-credx
  • indy-shared-rs - https://github.com/bcgov/indy-shared-rs
    • Shared features across indy-vdr and indy-credx
    • pack/unpack on Ursa (not libsodium)
  • aries-credx-framework-rust - https://github.com/sovrin-foundation/aries-credx-framework-rs
  • Aries Secure Storage initiatives:
    • Soon to be pubic - from Andrew Whitehead
• Aries-CloudAgent-Python (bc.gov)
  • Release 0.5.4 coming Real Soon Now
    • Simplifying controller support for issuing revocable credentials
    • Even more unit test coverage (now at 98.81%)
  • Contributions in progress:
    • Multi-Tenant Agent - from lukas.ml.mueller and collaborators
    • Java Clients
    • Mediator configuration
    • Issuer Kit with revocation support
• Aries-Framework-Go (Troy) #aries-go
  • Finishing removal of legacy KMS.
  • Controllers now have gomobile bindings. Still need to add bindings for notifications.
  • Investigating BBS+ JSON-LD signatures
  • Investigating DIF attachments in issue credential and present proof protocols (and relevant implementation aspects in the Go framework).
    • Presentation Exchange
    • Credential Manifest
• Aries-SDK-Ruby (Jack)
  • JSON-LD 1.1 Signatures updates (incorporating updates from https://github.com/ruby-rdf/json-ld)
    • Medium updated article in works (https://medium.com/@johnrcallahan/linked-data-signatures-with-ruby-3fa4dbc8e1fb)
    • https://github.com/johncallahan/ruby-jsonld-signatures
  • Exploring BBS+ Signature support via rust bridge (same as used in Mattr's https://github.com/mattrglobal/jsonld-signatures-bbs)
  • Looking at Andrew Kane's lockbox gem for KMS with rails ActiveRecord (https://github.com/ankane/lockbox)
  • Beginning to open source GBAId RoR prototype: https://github.com/veridium/ (byoi, gbaid, gabidp, gbarp)
  • Horcrux gem for ActiveStorage (https://github.com/johncallahan/activestorage-horcrux)
    • will be moving to https://github.com/decentralized-identity/horcrux eventually
• Aries-Framework-DotNet (Tomislav)
• Aries-StaticAgent-Python
• Aries-Toolbox
  • PR for Connections Update
  • Converted to a web application by Robert Mitwicki - repo https://github.com/thclab/aries 
  • Upcoming cleanup items
• Aries-SDK-Java
• Aries-Framework-JavaScript - Framework JS Meetings
  • Current focus is on mediator use case (NodeJS)
  • Plan for 1.0 defined; refactoring to be done
• Rich Schemas and W3C Verifiable Credentials (Brent & Ken)
  • Some work has been done to support the W3C Verifiable Credentials Data Model specification
  • Modifications to use BBS+ LD sigs as a first step - early exploration.
• Aries-MobileAgent-Xamarin (Aries MAX) - https://github.com/hyperledger/aries-mobileagent-xamarin
  • Ideas:
    • Automatic offer acceptance/managing credentials
    • Machine readable governance
• Ursa

Agenda

• Horcrux Protocol - Jack
• Transaction Endorser Protocol (Stephen)
• Closing Game

Next Week

• Requests?
• Jack - Horcrux Protocol
• new AIP?
• protocol type update 
• oob PRs

Future Topics

• Vince Albanese - future speaker: DirectTrust hack-a-thon Nov 2020 (DIDComm on XMPP)
• Migrating to new JWE envelope format: https://github.com/hyperledger/aries-rfcs/issues/478
• Schema interop - how to reuse a schema across different networks Robert Mitwicki(RFC in progress)
• Using WebSocket as a way to communicate back to the mobile/desktop wallet (Agent (services or user) as a proxy for communication between service and digital wallet) Robert Mitwicki 

Action items