2020 Q1 Hyperledger Ursa

Created by Mike Lodder, last modified by Gari Singh on Apr 27, 2020

Project Health

Ursa is growing in adoption in projects, its feature offering, and contributor diversity. We have released three more versions since last update.

Questions/Issues for the TSC


v0.3.0 Dec 5 2019

v0.3.1 Jan 22 2020

v0.3.2 Feb 10 2020

Overall Activity in the Past Quarter

  • Added key exchange for Curve25519 and K256
  • Allowed more methods over FFI
  • Allowed more methods over WASM
  • Adjusted how features can be included to be more flexible

Current Plans

  • Add ECIES encryption
  • Add signatures and key exchange for P224, P256, P384, P521
  • Implement more FFI for zmix
  • Finish designing hardware API
  • Implement CDLNT signatures (allows threshold based issuance and verification)
  • Add pw_hash methods
  • Implement Simplified SWU hash-to-curve

Maintainer Diversity

Current active maintainers

  • Mike Lodder (Sovrin Foundation)
  • Lovesh Harchandani (Evernym Inc.)
  • Brent Zundel (Evernym Inc.)
  • Dave Huseby (Linux Foundation)
  • Hart Montgomery (Fujitsu)
  • Dan Middleton (Intel)
  • Cam Parra (Kiva)
  • Dan Anderson (Intel)
  • Jon Geater (Jitsuin)

Contributor Diversity

Our contributor list has been relatively static, although we are optimistic of adding new contributors in the near future (e.g., for hardware support).

Current Contributors

  • Sovrin Foundation
  • Evernym, Inc
  • Intel
  • BCGov
  • Iqlusion
  • Jitsuin
  • Fujitsu

Additional Information

Reviewed by


What projects are using Ursa?

Posted by tkuhrt at Mar 10, 2020 14:12

Indy and Aries actively use Ursa.  Ursa also currently supports Iroha and Transact.

Posted by hartm at Mar 10, 2020 16:07

Hart Montgomery  sounds like a good blog post on HL interoperability?  (wink) Would you or someone else be willing to write that up? 

Posted by jramps9 at Apr 08, 2020 15:42

I think Mike Lodder  Mike Lodder would be the person best suited for this–he knows more about the interfaces than I do!

Posted by hartm at Apr 08, 2020 17:33