2023-10-18 Aries Working Group Call

Summary:

• IIW Recap
  Credential Protocols
• Unqualified DIDs

Date

18 Oct 2023 (7AM Los Angeles, 10AM New York, 3PM London, 4PM CET, 18H Moscow)

	Hyperledger is committed to creating a safe and welcoming community for all. For more information please visit the Hyperledger Code of Conduct.

Attendees                 

• Sam Curren  (Indicio) <sam@indicio.tech>
• Alex Metcalf (BC Gov) <alex.metcalf@gov.bc.ca>
• Frostyfrog (Indicio) <colton@indicio.tech>
• Stephen Curran  (BC Gov/Cloud Compass Computing Inc.) <swcurran@cloudcompass.ca>
• bruce_conrad@byu.edu (Pico Labs) <picolabs@sanbachs.com>
• Alexander Sherbakov (DSR Corporation) <alexander.sherbakov@dsr-corporation.com>
• Warren Gallagher (AffinitiQuest) <warren@affinitiquest.io>
• Steve McCown (Anonyome Labs) <smccown@anonyome.com>

Welcome / Introductions

Announcements

• HL Member Summit Oct 23 in SF and Tokyo

Release Status and Work Updates

• Aries Agent Test Harness -- https://aries-interop.info
• Aries Shared Components - Indy SDK replacements
  • Indy Verifiable Date Registry - Ledger Interface https://github.com/hyperledger/indy-vdr
    • Release 0.4.0-dev16
    • Release 0.5.0 will have breaking changes, including did:indy branch merged into main.
  • Aries Askar secure storage - https://github.com/bcgov/aries-askar
    • Release 0.2.9
  • AnonCreds Rust - https://github.com/hyperledger/anoncreds-rs
    • Release 0.1.0
  • Shared Rust Library/CredX (AnonCreds) https://github.com/hyperledger/indy-shared-rs - being replaced by AnonCreds Rust
    • Release 0.3.3 Bugfix (bug was in the python wrapper)
      
    • Release 1.0.0 Embeds new AnonCreds CL Signatures library with fixes, performance improvements
• Frameworks:
  • Aries-CloudAgent-Python https://github.com/hyperledger/aries-cloudagent-python, Meetings: ACA-Pug Meetings, Documentation: https://aca-py.org
    • 0.10.4 Release – patch to address an interop issue with ACA-Py mediator and aries-framework-kotlin
    • 0.11 on deck with did rotate and did:peer:4
  • Aries-Framework-JavaScript https://github.com/hyperledger/aries-framework-javascript, Meetings: Framework JS Meetings
    
    • OWF - shared in OWF list and discord, giving more time for feedback.
    • 0.5 in the works
      • Dropping IndySDK
      • AnonCreds Revocation
      • Dropping Node 16 support (EOL)
  • Aries VCX (https://github.com/hyperledger/aries-vcx, Meetings: Aries-VCX Meetings
    
    • Release 0.59.1 https://github.com/hyperledger/aries-vcx/releases/tag/0.56.0
    • Ongoing refactoring
    • finished migration to IndyVDR
    • Indy CredX up soon
    • issue and present v2 on deck
  • Picos as of pico-engine version 1.3.0 natively use DIDComm v2 (https://github.com/Picolab/pico-engine/blob/master/packages/pico-engine/README.md)
    • replacing ACA-Pico agents (https://github.com/Picolab/aries-cloudagent-pico) which are now deprecated
    • protocols implemented so far: oob invitation, trust-ping, basicmessage (more to be added https://github.com/Picolab/DIDComm-V2)
    • based on the SICPA didcomm NodeJS module
  • Aries-Framework-Go (Troy) #aries-go (https://github.com/hyperledger/aries-framework-go, Meetings: aries-framework-go) 
• Mobile:
  • Aries Mobile Agent React Native, aka Aries Bifold https://github.com/hyperledger/aries-mobile-agent-react-native, Meetings: Aries Bifold User Group Meetings
    • 0.4.0 in Bifold – including the shared components
  • Aries-MobileAgent-Xamarin aka Aries MAX (https://github.com/hyperledger/aries-mobileagent-xamarin)
• aries-mediator-service – a DIDComm Mediator in a Box
  • Update to use SocketDock?
• aries-endorser-service – an Indy Endorser in a Box (in development)

Discussion Topics

• Aries marketing update - Helen Garneau Alex Metcalf  
  • New draft Aries logos: https://docs.google.com/document/d/1G5o24hw3fyBDoB5VdcELv8hjd4IH7cF-JYIcX7hSUt4/edit
  • Join our marketing working group meeting, last Tuesday of every month: Aries Marketing Working Group
• IIW Recap
  • BCGov AnonCreds/W3C Format CodeWithUs opportunities:
    • Link to Rust Opportunity
    • Link to ACA-Py Opportunity
    • Link to AFJ Opportunity
  • did:webs - evolution of did:web
    • addition of KERI concepts
    • event chain
    • pre-rotation of keys
    • multi-sig
    • did:urls for signed files
    • did/whois verifiable presentation about the subject
  • OID4VCs
    • use of specific keys to identify who the holder of a VC
      • linking without a link secret - binding holder to issued cred without hardware key for every cred.
      • common claims between multiple credentials as mechanism for holder binding.
      • Names used as binding mechanism - complex, as changes and variations
    • using alongside DIDComm
      • Solving issues out of scope with OID4VC
      • https://hackmd.io/YAkkNV_dQUmeV00PMGrbMw (draft idea)
    • Profiles
      • Planned Divergence?
      • Moves interop to the profile directly
      • Which ones should we work together to support
        • Deep Profile (Netherlands)
        • HIPE (not using DIDs, other complications)
  • Demo Day at IIW
    • 1/4 of demos were Aries involved implementations
    • BCGov ACA-Py AFJ Bifold based
    • Entidad
    • 2060
    • IDLab Patrik
  • DIDComm 101
    • demo.didcomm.org
  • did:peer:4
    • browser based resolver by Daniel Bluhm
    • IDEA: Hyperledger Workshop with DIDComm and did:peer:4 and DIDComm v1 DID Rotation
• Open Discussion about direction and energy spend
• Patrik: Issue Credential Protocol V2
  • multiple credential formats
  • supporting negotiation of credential types?
  • https://github.com/hyperledger/aries-rfcs/issues/796
• Unqualified DIDs
  • DID Rotation
    • https://github.com/hyperledger/aries-rfcs/pull/794
  • did:peer:4
    • https://github.com/decentralized-identity/peer-did-method-spec/pull/61 (pr to method)
    • https://github.com/decentralized-identity/peer-did-method-spec/issues/58 (original post)
    • Browser Resolver Demo
  • DID Exchange with no DID Document / Signature - https://github.com/hyperledger/aries-rfcs/issues/717
    • https://github.com/hyperledger/aries-rfcs/pull/795
  • Community Coordinated Update
    • https://github.com/hyperledger/aries-rfcs/pull/793
  • Aries Agent Test Harness update for testing support
• Open Tasks
  • LTS Policy
    • Fabric starting point: (https://hyperledger.github.io/fabric-rfcs/text/0005-lts-release-strategy.html)
• Open Discussion

Other Business

Future Topics

• Aries VCX - Mentorship Project Review
• Niels Klomp offered a deeper dive into the openid4vc related flows

• |State-of-union of Aries projects
• decorator for redirection after proofs. - existing?
• in the Aug 9 call there was talk about EUDI compatibility. Maybe tracking the progress every now and then in these calls? Has there been any discussion about adding SD-JWT and OID4VC stuff to Aries Interop test suite?

Action items

Call Recording: