2022-04-27 Aries Working Group Call

Summary:

Recording: 

• Extraction: Proposed RFC Transition to use qualified DIDs - 

• Extraction: Presentation Request for "1 of N Credentials" problem/solutions - Slides - 

Date

Apr 27, 2022 (7AM Los Angeles, 10AM New York, 3PM London, 4PM CET, 18H Moscow)

Attendees                                                                                                                                                            

• @Stephen Curran (Cloud Compass Computing Inc.) <swcurran@cloudcompass.ca>

• @Timo Glastra (Animo Solutions) <timo@animo.id>

• @Philippe Foucault (Gouvernement du Québec) <philippe.foucault@mcn.gouv.qc.ca>

Welcome / Introductions

Announcements

Release Status and Work Updates

• Aries Agent Test Harness (https://aries-interop.info)

• Aries Shared Components - Indy SDK replacements

  • Shared Rust Library/CredX (AnonCreds) https://github.com/hyperledger/indy-shared-rs

  • Indy Verifiable Date Registry - Ledger Interface https://github.com/hyperledger/indy-vdr

  • Aries Askar secure storage - https://github.com/bcgov/aries-askar

    • 0.2.5 release - performance/load work and testing – specific load errors reduced (down to 0.05% error rate), performance up 11%

• Frameworks:

  • Aries-CloudAgent-Python (https://github.com/hyperledger/aries-cloudagent-python, Meetings: ACA-Pug Meetings)

  • Aries-Framework-JavaScript (https://github.com/hyperledger/aries-framework-javascript, Meetings: Framework JS Meetings)

    • Working on 0.2.0 release

      • Issue Credential / Present Proof v2

      • OOB / DIDExchange

      • Merged: Holder revocation with revocation notifications support

    • PR open to support lower versions of a protocol

    • Started working on JSON-LD and BBS+ credential support

    • Started working on writing a wrapper for Indy VDR for React Native – Almost ready now

  • Aries-Framework-Go (Troy) #aries-go (https://github.com/hyperledger/aries-framework-go, Meetings: aries-framework-go) 

    • Working on support for DIDComm v2, Credential Manifest, OOB v2 and v3 credential protocols (for DIDComm v2)

    • RFC 700 to enable web wallets

  • Aries VCX (https://github.com/hyperledger/aries-vcx)

  • Aries-Framework-DotNet (https://github.com/hyperledger/aries-framework-dotnet)

• Mobile:

  • Aries Mobile Agent React Native, aka Aries Bifold (https://github.com/hyperledger/aries-mobile-agent-react-native, Meetings: Aries Bifold User Group Meetings)

  • Aries-MobileAgent-Xamarin aka Aries MAX (https://github.com/hyperledger/aries-mobileagent-xamarin)

• aries-service-mediator repo added – a DIDComm Mediator in a Box

• Aries-Toolbox

• Aries-SDK-Java

• Ursa (https://www.hyperledger.org/use/hyperledger-ursa, https://github.com/hyperledger/ursa)

Notes:

Discussion Topics

Continued Discussion:

• Updating from unqualified DIDs to fully formed DIDs - Timo 

  • Draft Community Coordinated Update RFC: https://hackmd.io/0PP3vrq7Qb2oD5wja8kLcQ?edit

• Adoption of did:indy DIDs - Stephen

  • CredX for the shared components

  • Also need updates for Indy SDK

    • Point about the did

AnonCreds Proof Request Challenge:

• Holder has one of N credentials with different schema, issuers

• Is there a single AnonCreds proof request that allows the holder to construct and proof that can be verified for that scenario?

• Assuming you can't - what can we do?

  • Present Proof Negotiation 

  • Modification to the Present Proof "request-presentation" message semantics to allow multiple proof requests

  • Use DIF Presentation Exchange with AnonCreds

  • Other ideas?

Other Business

Future Topics

• decorator for redirection after proofs. - existing?

• Standardized attribute names for AnonCreds - alignment with VC data model. (Paul Bastian)

  • terms and conditions (as link)

  • machine-readable governance?

Action items

Call Recording