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Note: This call is being recorded.

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• Sam Curren (Indicio) <sam@indicio.tech>
• Stephen Curran (Cloud Compass Computing Inc.) <swcurran@cloudcompass.ca>
• Robert Mitwicki <robert.mitwicki@humancolossus.org>
• Ed Eykholt (iRespond)
• Steve McCown (Anonyome Labs) <smccown@anonyome.com>
• Drummond Reed (Evernym) <drummond.reed@evernym.com>
• George Aristy (SecureKey) <george.aristy@securekey.com>

Welcome / Introductions

Announcements

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• Ursa - 
• Semantics - Next meeting: 04/28 (Tuesday)
• DID UX Call - Active?
• SSI in IoT WG
• Indy Contributors - No call this week
• Identity WG / Identity WG Implementer calls (Wed / Thurs) - Riley Hughes on status of Sovrin MainnetMike Lodder ZKP LD
• DIF DIDComm WG - Monday's at Noon US/Pacific - Sam Curren (Mon) - DID Doc services, etc.

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• Aries Protocol Test Suite - https://github.com/hyperledger/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 
  • https://github.com/bcgov/aries-agent-test-harness
  • A harness for testing two or more agent implementations using RFC-driven BDD test scripts based on a standard architecture
  • Extending ability to easily run tests that mix and match agents
  • Additional tests with Cred Exchange
  Help Wanted: Creating a backchannel integration for aries-framework-dotnet
  • ​
• Aries Shared:
  
  • Aries Shared
  Components
  • :
    • indy-vdr (Andrew Whitehead)
     
    •   https://github.com/hyperledger/indy-vdr
    • Remaining work: Wrap up for a 1.0 release
    • On Hold: Integrating into LibIndy in a separate branch, goal is to release in April/May
    • • 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 -
    indy-credx (Andrew Whitehead )
    •  https://github.com/
    andrewwhitehead
    • bcgov/indy-credx
       indy
      • • Experimental ACA-Py branch created that can do credential exchange with indy-credx
      • indy-shared-rs
      (Andrew Whitehead)
      • - https://github.com/bcgov/indy-shared-rs
        • Shared
      code for
      • • features across indy-vdr and indy-credx
      Currently utils for: ed25519, hash, wql
      • • pack/unpack on Ursa (not libsodium)
      • aries-credx
      (Mike Lodder ) 
      • • https://github.com/sovrin-foundation/aries-credx-framework-rs
      • Currently just claim encoding routines
      • Future TBD
      Aries-KMS/Storage (Mike Lodder Andrew Whitehead Cam Parra)
      • • • 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's presentation in Aries WG A
      • • Mike and Cam's work aries-
      core-rs → 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
      : evolution of the Indy wallet crate as a starting point
      • • - indy-wallet capabilities moved to an Aries base
          • Andrew also working on that
    • Aries-CloudAgent-Python (BC Govbc.gov)
      • Release 0.5.1 available
        • Revocation based on anoncreds 1.0 has been merged into master and will be in the next release.
          • Successful tests with Streetcred and esatus wallets 
        • Signing of Attachments
        • Major/Minor protocol version handling
        • Tracing based on RFC 0034 and trace output visualization. Goal is "jurisdiction-scale" issuance.
        • Removal of v0.1 credential exchange protocols
      • Next up
        • indy-tails-server and public deploy of in instance
        • Continued work on Revocation 2.0 - merkle tree, or perhaps another bit array-based approach.
      • 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 added0.1.3 release notes.
    • 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 & DokkuTrying to resolve dependabot vulnerabilities in ruby gems used by the aries-sdk-ruby and example Rails projects
    • 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-JavaInitial PR
    • Aries-Framework-JavaScript / Aries-SDK-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.

    Agenda

    • Intro and project updates (25 10 min - )
    • DIF DIDComm WG Update (Sam - 15 min)
      • https://hackmd.io/6Lv0HOi1SbqbBtthtIr9aw?both
    • Aries Toolbox Open Discussion (Sam, Robert, etc. - 30 min)
    • Websockets for client communication (Robert - 30 min)
    • Issue Game: Can we close this? (15 min - )
    • Open Discussion / Next Week Topics / Wrap Up (5 min - )

    Next Week

    • Connectionless Issue (Tomislav)
    • Requests?

    Future Topics

    • 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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