2020-06-17-B Aries Working Group Call (US afternoon)

Summary:

Aries Storage
Reuse as OOB Message

Note: This call was recorded:

Date

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

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Attendees

Stephen Curran (Cloud Compass Computing Inc.) <swcurran@cloudcompass.ca>
Sam Curren (Indicio.tech) <sam@indicio.tech>
Darrell O'Donnell (Continuum Loop Inc.) <darrell.odonnell@continuumloop.com>
John Callahan (Veridium) <jcallahan@veridiumid.com>
Steve McCown (Anonyome Labs) <smccown@anonyome.com>

Welcome / Introductions

Announcements

Related Meetings Review

Ursa -
Semantics - Next meeting: 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 - Every 2nd Tuesday 8am US/Pacific - Monitoring Indy
Identity WG / Identity WG Implementer calls (Wed / Thurs) - This week! 9 am US/Mountain
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.
Aries Agent Test Harness - https://github.com/bcgov/aries-agent-test-harness
- Test compatibility between any two agents
- Work on Present Proof tests. Adding 4th agent personna (Acme, Bob, Faber and Mallory)
- Bounty for implementing the Aries Framework .NET backchannel (and maybe others) – Apply Now
Aries Shared:
- Aries Shared:
  - indy-vdr (Andrew Whitehead) https://github.com/hyperledger/indy-vdr
    - Help Wanted: Update `did:sov` method of the DIF universal resolver to use indy-vdr instead of indy-sdk
  - 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 0.5.2 is near
  - Updates on revocation
  - Initial JSON-LD VC support added – signing, verifying only - done by Sam Curren supported by SICPA (Switzerland)
  - A lot of error handling cleanup
  - Provision of a local DID
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)
- BBS+ support added - a wrapper. Tech spike work. https://github.com/streetcred-id/bbs-signatures-dotnet
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
Aries-MobileAgent-Xamarin (Aries MAX) - https://github.com/hyperledger/aries-mobileagent-xamarin
- Ideas:
  - Automatic offer acceptance/managing credentials
  - Machine readable governance
Ursa
- 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 (Sam Curren - 20 min)
Aries Storage (Andrew Whitehead - 30 min)
Reuse as part of OOB (Sam Curren)
- https://github.com/hyperledger/aries-rfcs/pull/502
Credential Replacement_id (Sam Curren)
- https://github.com/hyperledger/aries-rfcs/pull/495
Open Discussion / Next Week Topics / Wrap Up (5 min)

Next Week

Requests?
Credential Exchange Load testing - Thomas Shelton
Tracing Discussion. Warpage Prevention?

Future Topics

Migrating to new JWE envelope format: https://github.com/hyperledger/aries-rfcs/issues/478
DKMS status
Credential Fraud: Example how in ACA-Py to verify same link secret across multiple credentials in presentation
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

Pursue idea of "reuse" in OOB Protocol and remove from DID Exchange

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