2020-01-29-B Aries Working Group Call (US afternoon)

Summary:

Note: This call is being recorded.

Date

Jan 29, 2020 (12PM Los Angeles, 3PM New York, Tuesday at 7AM Sydney)

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Attendees

• Name (Organization) <email>

• Stephen Curran (Cloud Compass/BC Gov) <swcurran@cloudcompass.ca>

• @Daniel Bluhm (Sovrin Foundation) <daniel.bluhm@sovrin.org>

• Gaurav Narula (DEDIS, EPFL) <gaurav.narula@epfl.ch>

• @George Aristy (SecureKey) <george.aristy@securekey.com>

• @Troy Ronda (SecureKey) <troy.ronda@securekey.com>

• @Sam Curren (Sovrin Foundation) <sam@sovrin.org>

• @Jakub Koci (Absa) <jakub.koci@gmail.com>

Welcome / Introductions

Announcements

Related Meetings Review

• Ursa - No calls since the last Aries meeting.

• Semantics - yesterday's call: Handling big data in an Indy Credential - workaround - Hashlink. Link to Paper

• DID UX Call - Slack/Mailing list - details in the shared document as well minutes and additional information, currently focus on Purpose Based Services

• SSI in IoT WG

• Indy Contributors - @Richard Esplin (Mon) - Notes

• Identity WG / Identity WG Implementer calls (Wed / Thurs) - no calls since last Aries meeting

• DIF DIDComm WG - Monday's at Noon US/Pacific Outline happening next week.

Upcoming Releases and Work Updates

• Aries Protocol Test Suite

  • Thanks again to @Keith Smith, Issue Credential tests are merged; Present Proof soon to follow once some minor merge conflicts are resolved.

• Aries Shared:

  • Aries KMS

  • Verifiable Data Registry Interface (VDRI) library: indy-aries-vdr (@Andrew Whitehead) https://github.com/andrewwhitehead/indy-ledger-client

  • Other Core Libraries (pack / unpack)

• Aries-CloudAgent-Python (bc.gov) - Release 0.4.1 is pending, with a change to the forward message handling for compatibility with RFC.

  • Deployment of 0.4.1 to be synchronized to the Streetcred Agent release, which estimated to be in the next couple of days. 

  • ACA-Pug (User Group) starting, with first meeting next Wednesday, 1 hour before this meeting. ACA-Pug page is here.

• Aries-Framework-Go (Troy) #aries-go

  • Released v0.1.1

  • Route coordination and forwarding implemented (RFC 94 and RFC 211) and integrated with DID Exchange. Go API Package | BDD test

    • Question raised on how to reconcile RFC 94 and RFC 211.

  • Basic JavaScript scaffolding implemented for browser and node.js to use the WASM. NPM packaging in progress.

    • Next: expose framework operations (similar to the REST API).

  • External message handler and purpose decorator implemented (RFC 351). REST API in progress.

  • HTTP over DIDComm in progress (RFC 335). HTTP request portion implemented.

  • Continuing efforts on routing & relays, crypto/kms, WebAssembly, verifiable credentials, generic message handlers (and external registration), JWE envelopes.

• Aries-SDK-Ruby (Jack)

• Aries-Framework-DotNet (Tomislav)

• Aries-StaticAgent-Python - Now up to 0.6.1; more details

• Aries-Toolbox

  • Official repo moved to aries-toolbox

  • Preparing for a new release based on the latest ACA-Py

• Aries-SDK-Python - Wrapper from JeromK and SBCA?

• Aries-SDK-Java

• Aries-Framework-JavaScript / Aries-SDK-JavaScript

  • As agreed in the connect-a-thon, planning efforts on merging the aries-sdk-javascript codebase into a single framework repo - aries-framework-javascript

  • Starting with the efforts on the React-Native Mobile Agent.

• Rich Schemas and W3C Verifiable Credentials (Brent & Ken)

  • HIPEs/RFCs

    • overview https://github.com/hyperledger/aries-rfcs/tree/master/concepts/0250-rich-schemas

    • context https://github.com/hyperledger/aries-rfcs/tree/master/features/0249-rich-schema-contexts

    • schema processing feedback https://github.com/hyperledger/aries-rfcs/tree/master/features/0281-rich-schemas 

  • Next HIPEs/RFCs for

    • encoding

    • mapping

    • credential definition 

  • Node implementation of

    • context (merged)

    • schema PR in progress https://github.com/hyperledger/indy-node/pull/1513

• Ursa 0.3.1 release in January

  • Delegate-able credentials

  • Flexible configuration options

  • ZMix 0.1.0 expected in January

    • Ursa and ZMix will be separate releases. ZMix is the proving code, and Ursa is everything else.

Agenda

• Issue Game: Can we close this? (15 min -) -  issues (as time permits): 125, 292, 294, 303

  • 125 assigned to Daniel Hardman

  • remaining three assigned to drummond, Sam will send note.

  • Next week the Issue game will be the PR game.

• Review AIP 1.0.0 - @Stephen Curran - Presentation

• Routing Coordination

  • https://github.com/andrewwhitehead/indy-hipe/tree/inbound-routing-update/text/agent-message-routing

  • Aries-Framework-DotNet did:sov:BzCbsNYhMrjHiqZDTUASHg;spec/basic-routing/1.0/

  • https://github.com/hyperledger/aries-rfcs/blob/master/features/0211-route-coordination/README.md

    • example flow diagram from aries-framework-go

• Open Discussion / Next Week Topics

Next Week

• Additional data in protocol needs a version bump? 

• Service Block / Endpoint URI for Agents without an endpoint

  • Needs to know which key to encrypt for.

  • The implication is that agent will 'pick-up' messages

• DID Exchange (RFC)

  • Extraction of Invitation Protocol?

  • use of ~service decorator

    • inline key representations

  • use of 0268 Deep Linking RFC

  • pass DID Docs as attachments

  • replace inline ~sig with attachment signatures

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 ProVerif)

  • 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