2020-02-26-B Aries Working Group Call (US afternoon)

Summary:

• Ticket Game: Can we close this?
• Revocation in ACA-Py
• Out of Band (formerly known as Invitations)

Note: This call is being recorded.

Date

26 Feb 2020 (12PM Los Angeles, 3PM New York, Tuesday at 7AM Sydney)

Remember the Hyperledger Code of Conduct

Anti-Trust Policy:

Linux Foundation meetings involve participation by industry competitors, and it is the intention of the Linux Foundation to conduct all of its activities in accordance with applicable antitrust and competition laws. It is therefore extremely important that attendees adhere to meeting agendas, and be aware of, and not participate in any activities that are prohibited under applicable US state, federal or foreign antitrust and competition laws.

Examples of types of actions that are prohibited at Linux Foundation meetings and in connection with Linux Foundation activities are described in the Linux Foundation Antitrust Policy available at http://www.linuxfoundation.org/antitrust-policy . If you have questions about these matters, please contact your company counsel, or if you are a member of the Linux Foundation, feel free to contact Andrew Updegrove of the firm of Gesmer Updegrove LLP, which provides legal counsel to the Linux Foundation.

Attendees

• Name (Organization) <email>
• John Callahan (Veridium) <jcallahan@veridiumid.com>
• Sam Curren (Sovrin Foundation) <sam@sovrin.org>
• Stephen Curran (Cloud Compass/BC Gov) <swcurran@cloudcompass.ca>
• Ken Ebert (Sovrin Foundation) <ken@sovrin.org>
• Troy Ronda (SecureKey) <troy.ronda@securekey.com>
• Brent Zundel (Evernym) <brent.zundel@evernym.com>
• Richard Esplin (Evernym) <richard.esplin@evernym.com>
• Steve McCown (Anonyome Labs) <smccown@anonyome.com>
• Echo Harker (Evernym) <echo.harker@evernym.com>
• George Aristy (SecureKey) <george.aristy@securekey.com>
• Moushmi Banerjee (Nutanix) <moushmi.banerjee@nutanix.com>
• pengyu.chen (Medici Ventures) <pchen@mediciventures.com>

Welcome / Introductions

Announcements

• Hyperledger Global Forum March 3-6

• IIW April 28-30

Related Meetings Review

• Ursa - No calls since the last Aries meeting.
• Semantics - yesterday's call (18/02) - Notes
  • (i.) Rich schema update 
  • (ii.) Development plans for Kantara Initiative’s Consent Receipt v.2.0.
  • (iii.) Using Verifiable Credentials to resolve external schemas and data payloads using Hashlinks
  • Next meeting: 03/03 (Tuesday)
• DID UX Call - Slack/Mailing list - details in the shared document as well minutes and additional information, currently focus on Purpose Based Services
  • F2F Meeting meetup
• SSI in IoT WG
• Indy Contributors - Richard Esplin (Mon) - Notes (plus a special session on supporting Indy Networks)
• Identity WG / Identity WG Implementer calls (Wed / Thurs) 
• DIF DIDComm WG - Monday's at Noon US/Pacific 

Upcoming Releases and Work Updates

• Aries Protocol Test Suite
  • Issue, credential, and proof tests are merged.
• Aries Shared:
  • indy-vdr (Andrew Whitehead)  https://github.com/hyperledger/indy-vdr
    • Remaining work: Design doc, FFI, testing, CI / CD
    • As an Aries interface becomes standardized, will add that API layer
  • indy-credx / aries-credx
    • https://github.com/sovrin-foundation/aries-credx-framework-rs
    • https://github.com/andrewwhitehead/indy-credx
  • Aries-Shared-Util
    • Pack / Unpack
    • Not started yet
  • Aries-KMS
    • Will support multiple approaches
    • Mike and Cam's aries-core-rs → aries-kms-mayaguez
      https://github.com/sovrin-foundation/aries-kms-rs
    • aries-kms-taiga: evolution of the Indy wallet crate as a starting point
      
• Aries-CloudAgent-Python (bc.gov)
  • 0.4.2 released
  • 0.4.3 in the works - ledger read-only mode; first step of did/http message type namespace transition; improved Swagger demo, TAA update.
• Aries-Framework-Go (Troy) #aries-go
  • Preparing for next release: 0.1.2
• Aries-SDK-Ruby (Jack)
  • Added genesis block paramterization via Rails encrypted creds
• Aries-Framework-DotNet (Tomislav)
• Aries-StaticAgent-Python
• Aries-Toolbox
  • Added basic message admin
  • Working on a getting started video
• Aries-SDK-Java
  • Initial PR
• Aries-Framework-JavaScript / Aries-SDK-JavaScript
  • Started regular meetings: Framework JS Meetings
• Rich Schemas and W3C Verifiable Credentials (Brent & Ken)
• Ursa
  • 0.3.1 release in January
  • 0.3.2 released in February, includes key exchange methods (can replace libsodium)

Agenda

• Issue Game: Can we close this? (15 min): 
  • Handling minor versions messages of protocols #407
  • Nudge: Please review the issues assigned to you.
• Revocation in ACA-Py (20 min - Peng / Medici Ventures)
• Out Of Band (formerly known as Invitations) (30 min - Stephen Curran)
• Open Discussion / Next Week Topics

Next Week

Future Topics

• 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
  • 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

Action items

Call Recording