• Work updates
  • Progress on Rich Schemas
  • Plans for CI / CD
  • Plans for credx libraries

Note: This call is Recorded. Recordings posted at the bottom of the page.


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

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 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.


  • Name (Employer) <email>
  • Troy Ronda (SecureKey) <>
  • Richard Esplin (Evernym) <>
  • Ken Ebert (Sovrin) <>
  • Stephen Curran (Cloud Compass/BC Gov) <>
  • Echo Harker (Evernym) <>
  • George Aristy (SecureKey) <>
  • Steve McCown (Anonyome Labs) <>
  • Sam Curren  (Sovrin Foundation) <>

Welcome / Introductions


  • Hyperledger Global Forum: In person meetings
  • Hyperledger Diversity, Civility, and Inclusivity Survey
  • IIW April 28-30

Related Calls

  • Previous Aries Working Group calls
  • DIF DIDComm WG Call: Rolling Agenda.
  • Identity Implementors Working Group call
    • Main place to get project updates, release status, and announcements.

Release Status and Work Updates

  • Aries Protocol Test Suite
    • Issue, credential, and proof tests are merged.
  • Aries Shared:
    • indy-vdr (Andrew Whitehead)
      • Basically usable
      • Remaining work: Design doc, FFI, and testing
      • Will migrate repo to Hyperledger
      • As an Aries interface becomes standardized, will add that API layer
    • indy-aries-anoncreds / indy-creds → indy-credx and aries-credx
    • Aries-Shared-Util
      • Pack / Unpack
      • Not started yet
    • Aries-KMS
      • Mike Lodder working on documentation and architecture as an Aries RFC (KMS architecture) and Ursa RFC (API)
        • Differs from Indy Wallet architecture by separating out auth and access control. Intention is to ensure a smooth transition from Indy.
        • Ability to export keys under certain conditions (metadata is set upon key creation)
      • Mike and Cam's aries-core-rs → aries-kms-mayaguez
        • Evolution from lox
        • Will include a default storage that is not a different implementation from the plugins
      • Indy wallet crate might move to start another aries-kms implementation → aries-kms-vostok
  • Aries-CloudAgent-Python (
    • Likely releasing 0.4.3 shortly - an update is needed for TAA handling
  • Aries-Framework-Go (Troy) #aries-go
    • Enable common JavaScript API for both WASM and REST controller APIs.
    • Verifiable Credential controller APIs (validation and storage).
    • Preparing 0.1.2 release
  • Aries-SDK-Ruby (Jack)
  • Aries-Framework-DotNet (Tomislav)
    • Release last week for Aries compatibility with ACApy and LibVCX (RFC 0094)
  • Aries-StaticAgent-Python
  • Aries-Toolbox
    • Added basic message admin
    • Working on a getting started video
  • Aries-SDK-Java
  • Aries-Framework-JavaScript / Aries-SDK-JavaScript
  • Rich Schemas and W3C Verifiable Credentials (Brent & Ken)
  • Ursa
    • 0.3.2 released in February, includes key exchange methods (can replace libsodium)

RFC Progress

Other Business

  • Progress on Rich Schemas / W3C Verifiable Credentials Ken Ebert
    • Collaboration session
    • Rich Schemas Roadmap:

      • HIPE / RFCs (50% done)
        • Issuance in DIDComm
        • Proof in DIDComm
        • Mapping (Alex)
        • Cred Def (Alex)
        • Presentation Def (Ken and Brent)
        • Presentation (Ken and Brent)
        • Verifiable Credential (Alex)
        • Update existing HIPEs/RFCs (Alex)
        • HIPEs/RFCs for new objects:
      • Indy Node implementation (95% done) (Alex)
      • Indy-vdr (Andrew N)
        • Prerequisite: CI / CD for indy-vdr, and integration into Indy SDK
      • aries-credx (Andrew N and Echo)
        • create_w3c_cred
        • sign_w3c_cred 
        • verify_w3c_cred
        • create_presentation
    •  Milestones
      1. Issue a credential
      2. Verify using a presentation definition with ZKP signature
    • Aries-Framework-Go already supports W3C VC's: JSON-LD and JWTs
    • Avoid the term "Rich Schema" in artifacts and code.
  • Merge indy-credx with aries-credx?
  • Indy VDR is moved to Hyperledger
  • CI / CD Aries shared libraries
    • Prefer GitHub Actions.
      • Use GitHub Actions Runner for iOS and Android hosted by the Sovrin Foundation.
      • Can easily migrate to Azure Pipelines or Circle CI if needed.
    • Aries-Framework-Go is using both GitHub Actions and (to a limited extent) Azure Pipelines
      • Azure Pipelines supported deployments that GitHub Actions didn't (likely does now)
      • Azure Pipelines worked better for heavy tests:  more computationally intensive and parallel
    • We plan to reduce the number of architectures. Won't support old devices.
  • When building Aries Util (pack / unpack) will migrate from LibSodium to Ursa key exchange?
    • Probably, but need additional testing.
  • is using Pyo3 as well as FFI in shared libraries

Future Topics

Action items


Call Recording

  File Modified
Multimedia File zoom_0.mp4 Feb 26, 2020 by Richard Esplin
Text File meeting_saved_chat.txt Feb 26, 2020 by Richard Esplin
Multimedia File audio_only.m4a Feb 26, 2020 by Richard Esplin

  • No labels