2019-09-25-A Aries Working Group Call (US morning)

Summary:

• Project update
• Naming of core Aries components
• Plan for Aries "wallet storage"

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

Date

25 Sep 2019 (7AM Los Angeles, 10AM New York, 3PM London, 17H Moscow)

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Attendees

• Name (organization) <email>
• Daniel Bluhm (Sovrin Foundation) <daniel.bluhm@sovrin.org>
• Matt Raffel  (kiva) <mattr@kiva.org>
• Ajay Jadhav (AyanWorks) <ajay@ayanworks.com>
• Richard Esplin (Evernym) <richard.esplin@evernym.com>
• Troy Ronda (SecureKey) <troy.ronda@securekey.com>
• Steve McCown (Anonyome Labs) <smccown@anonyome.com>
• Carl DiClementi (Factom Inc) <carl@factom.com>
• Kumaravel N (Ford) <nkumara2@ford.com>
• Brent Zundel (Evernym) <brent.zundel@evernym.com>
• Camilo Parra (Kiva) <camilop@kiva.org>

Welcome / Introductions

Announcements

• Internet Identity Workshop
• Hyperledger Maintainers Summit: Minneapolis October 8-10
• Bootcamp Russia: Event Location
• Aries Workshop/Connectathon December 3-5 in Provo, Utah (details to follow)

Summary of Prior Calls and Related Meetings

• DID WG
  • first meeting last week, good participation. Starting with the existing spec. Hope to be at feature freeze by next spring.
  • DID WG page: https://www.w3.org/2019/did-wg/
  • DID WG did spec repo (feel free to raise issues): https://github.com/w3c/did-spec 
• Aries WG
• Indy
• Ursa
  • Question for the Indy team on testing and deploying debian packages

Release Status

• Aries-CloudAgent-Python (bc.gov) - Release 0.3.2 has been tagged and is on PyPi
  • Support for RFC 0036 and RFC 0037 Credential Exchange protocols, 0.1 version of those protocols deprecated
  • Working on next release, particularly on revocation support.
• Aries-Framework-Go (Troy)
  • First milestone: Framework Go v0.1.0
  • Weekly planning notes (2019-09-24)
• Aries-SDK-Ruby (Jack)
  • Released as a Gem (0.0.3) due to Rails 6 issues
  • Developed docker image with Rails 6 (Ruby 2.5.1) with Indy-SDK to test Aries-SDK-Ruby via Dokku deployment
  • Needed for exploring concurrency and compatibility issues with Sidekiq, Resque, SuckerPunch, etc.
• Aries-Framework-DotNet (Tomislav)
  • Moved from StreetCred to Aries: https://github.com/hyperledger/aries-framework-dotnet
• Aries-StaticAgent-Python - Release 0.4.0
  • Move from Pysodium → PyNacl
  • Improved module interface and routing.
• Aries-SDK-Python - Wrapper from JeromK and SBCA?
• Aries-SDK-Java
  • Aries-SDK subchannel / discussion aries-sdk-java
• Aries-SDK-JavaScript
  • https://github.com/hyperledger/aries-sdk-javascript/pulls
  • Starting to implement the Aries RFCs.
• Indy
• Ursa
  • Working on release of 0.2.0 (September / October)
    • ZKP  / ZKLang improvements
    • Debian packages
    • Refactor internal plumbing for anoncreds 2.0, shouldn't impact external interfaces
    • Refactor multi-signature BLS in addition to aggregated signature
  • Sovrin Foundation is looking to build a Indy specific Ursa,  with ZKPs. Other Aries clients would build a different Ursa.

Work Updates

• Rich Schemas and W3C Verifiable Credentials (Ken)
  • Working on context object in Node. PR for Indy-Node is almost ready for review.
  • Making progress on the new schema object.
  • In order to do the review, need new Indy HIPEs: each new object, the new flow for creating credentials, creation of presentation request and presentation, compatibility with the old credential format
• SDK 2.0 architecture / Indy-Aries split (Sergey)
  • http://jira.hyperledger.org/browse/IS-1285
  • https://docs.google.com/document/d/1MYMi4NkixfoIJeC79WBOfX_QA3_9rG-iK3lZa86vIR0/edit#heading=h.z1u0dzf62loi POA and discussion
  • https://docs.google.com/drawings/d/1d-aCRC_Nzyywv9nyQif9_vBGbeWhp69M4T5_8_yYtAI/edit?usp=sharing Indy SDK Migration box diagram
  • https://docs.google.com/drawings/d/1sUffkRPlufingeeRjjBniVt9Ek3CNih9lUqym8mUl4M/edit?usp=sharing Aries Architecture
  • https://hackmd.io/_BhJewTlSUqMGNDc4SvgNw?edit developing ideas around APIs
  • Aries Presentations
  • https://hackmd.io/@gjPgYQjMT3azdpSAFgo5PA/HyjVdhVGr Daniel B's proposal for separating wallet and crypto
  • https://docs.google.com/document/d/18kHgTsHkSIIW9cakbampv8rxKxNchWycthHnXGyxkls/edit# Daniel H's analysis of challenges and approaches
• Architecture of Aries Verifiable Credentials Proof Formats
  • Boundary between the claim type and the signature type
  • Where should it live? Anoncreds (ZKPs), JWTs, Link Data Signatures
    • FYI: Go Framework Verifiable Credential package: https://github.com/hyperledger/aries-framework-go/tree/master/pkg/doc/verifiable, with the next work item being JWT proof format: https://github.com/hyperledger/aries-framework-go/issues/173
  • Aries Anoncreds Framework

RFC Progress

Other Business

• Kiva and plan for aries-wallet
  • W3C DID compliant storage library (discussion at RWOT, but no standard today)
  • More testing
  • Contributor diversity
  • Wallet mobile support
• Architecture of Aries core library
  • What is our fastest path to a library that framework implementors could consider using?
  • Naming 
    • aries-wallet → aries-ams (agent managed storage)
      • https://github.com/hyperledger/aries-rfcs/issues/68
      • Must be managed by an agent, and nobody else (differentiate from hub managed storage)
        • Hubs and Agents: https://www.hyperledger.org/blog/2019/07/23/rhythm-and-melody-how-hubs-and-agents-rock-together
      • When possible, we should avoid jargon and abbreviations. In this case it is probably not possible to be simpler.
    • aries-wallet-postgres → aries-ams-postgresql
    • aries-wallet-sqlite → aries-ams-sqlite
  • aries-resolver-peer and aries-resolver-indy
  • aries-core (pack / unpack)

Future Topics

• Next call
• Other:
  • Hubs vs Agents
  • Payments in Aries
  • wallet query language
  • IOT best practices (Robert Mitwicki, Adam Burdett , Lohan Spies )
  • DID Resolution W3C and Sam's concerns: https://github.com/hyperledger/aries-rfcs/issues/130

Action items

Call Recording