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• Sam Curren (Indicio) <sam@indicio.tech>
• George Aristy (SecureKey) <george.aristy@securekey.com>
• Stephen Curran (Cloud Compass Computing Inc.) <swcurran@cloudcompass.ca>
• Steve McCown (Anonyome Labs) <smccown@anonyome.com>
• @Keith Smith (IBM) <bksmith@us.ibm.com>
• Drummond Reed (Evernym) <drummond.reed@evernym.com>

Welcome / Introductions

Announcements

Related Meetings Review

• Ursa - 
• Semantics - Next meeting: 04/28 (Tuesday)Never - transitioning to be in the ToIP Foundation - see RocketChat channel for details and how to join the successor group
• DID UX Call - Active?
• SSI in IoT WG
• Indy Contributors - Monday - How to namespace indy networks. Networks of networks? did:indy:?
• Identity WG / Identity WG Implementer calls (Wed / Thurs) 
• DIF DIDComm WG - Monday's at Noon US/Pacific - Sam Curren (Mon) - DID Doc services, etc.

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• Aries Protocol Test Suite
  • One agent under test
  • Issue, credential, and proof tests are merged.
• Aries Agent Test Harness
  • Test compatibility between any two agents agents
  • Continued evolution of the test cases, documentation, process
  • Real Soon Now: Bounty for implementing the Aries Framework .NET backchannel (and maybe others)
  • https://github.com/bcgov/aries-agent-test-harness​
• Aries Shared:
  
  • Aries Shared:
    • indy-vdr (Andrew Whitehead)  https://github.com/hyperledger/indy-vdr
      • Nearing release 0.6(?) - most work complete that was needed: Design doc, FFI, testing, CI / CD
        • CI - GitHub actions runs unit tests and basic integration tests
        • CD not there
        • No design doc, but crate docs
        • Rich Schema merged and behind a feature flag
        • Refactoring PR not merged - cleanup, internal simplification, crate docs
    • 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
      • https://github.com/sovrin-foundation/aries-credx-framework-rs
        • 6 most common attribute encodings (but not anoncreds 1 attribute encoding)
      • Can make a non-revocable credential and create proofs.
    • Aries Secure Storage initiatives:
      • Mike working on documentation and architecture as an Aries RFC (KMS architecture) and Ursa RFC (API)
        • PR is submitted: https://github.com/hyperledger/aries-rfcs/pull/440
      • Mike and Cam's work aries-kms-mayaguez - Postgres backend for credential storage
        https://github.com/sovrin-foundation/aries-kms-rs
        • Persistence work allows plugging in any database engine.
        • Focus is using an external enclave.
      • aries-kms-vostok - indy-wallet capabilities moved to an Aries base
        • Andrew also working on that
• Aries-CloudAgent-Python (bc.gov)
  • Release 0.5.1 is on PyPi.
  • Revocation support added and tested with Streetcred and esatus Mobile Agents; major/minor version handling
• Aries-Framework-Go (Troy) #aries-go
  • Implementing the Out-Of-Band protocol
  • Implementing issue-credential and present-proof protocols
  • Edge agent in work based aries-framework-go using WASM with support for DIDs, VCs and DIDComm support being added
• Aries-SDK-Ruby (Jack)
  • Added DID/Verkey sign_and_submit to aries_sdk_ruby and published new gem (0.0.8)
  • Created aries-rails-docker experiment that support Rails 4 with Indy 1.8.1 on Heroku & Dokku
• Aries-Framework-DotNet (Tomislav)
  • Release last week for Aries compatibility with ACApy and LibVCX (RFC 0094)
• 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
  • Started regular meetings: Framework JS Meetings
  • Current focus is on mediator use case (NodeJS)
• Rich Schemas and W3C Verifiable Credentials (Brent & Ken)
  • Some work has been done to support the W3C Verifiable Credentials Data Model specification
• Aries-MobileAgent-Xamarin (Aries MAX)
  • Evolution of the open source mobile agent (Mattr Global's OSMA)
  • https://github.com/hyperledger/aries-mobileagent-xamarin
• Ursa
  • 0.4.0 scheduled for late March
    • Improved hash to curve algorithm
    • Updates to AMCL wrapper
  • To replace libsodium, need to have a replacement for the anoncrypt / authcrypt sealed box for pack / unpack.
    • Can be done in Ursa with two steps, but might add as a single function call.
  • Revocation 2.0 Support - new approach: Non-Revocation Range Merkle Tree - Ursa RFC here
    • Performance looks good at 1M creds/registry - 16M might be possible.

Agenda

• Intro and project updates (10 min - )
• Issue Game: Can we close this? (15 min - )
  • PR 437 - Service Decorator Requirements for Multi-message Protocols
  • PR 452 - Remove Redundant State
  • PR 482 - Coprotocols
  • PR 486 - Present Proof v2
• OOB Community Support (Stephe Stephen Curran) - Presentation
• Web Auth Community Poll (SIOP?) (Sam Curren)
  Issue Game: Can we close this? (15 min - 
  • DID spec just became clear enough to make this happen.
    • Authentication Section of DID Doc
  • Not a fan of 'prove to id provider'
  • WebAuthn / OIDC - mostly bound to identity provider
  • Symmetry important (user challange website, etc)
  • Manifold - PicoLabs
  • Aries Import/Export Minimum Requirements (Sam Curren)
  • Open Discussion / Next Week Topics / Wrap Up (5 min - )

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  • Migrating to new JWE envelope format: https://github.com/hyperledger/aries-rfcs/issues/478
  • DIF Interop Project - Project is proceeding, connect the communities at IIW
  • DKMS status
  • Credential Fraud:  Example how in ACA-Py to verify same link secret across multiple credentials in presentation
  • Schema interop - how to reused 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 
  • Formal protocol verification techniques - Presented in the Aries WG A Call - 2020.04.08 call
    • https://github.com/SvenHammann90/SSI/blob/master/RWOT_9/Topic_Paper_RWOT.md (using Tamarin)
    • https://github.com/johncallahan/needham_shroeder_spin (non-Aries example using SPIN/Promela)
  • What's left for DID Exchange protocol?
    • Some discussion in: https://github.com/hyperledger/aries-rfcs/pull/366

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