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Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

Latest

3.1.0

Added

  • UUIDs can now be serialized to representation.

3.0.1

Changed

  • Publishing to maven central automated via Gradle plugin
  • RingElementVector are now UniqueByteRepresentable PR

Fixed

  • Concatenation in class Vector now works as intended PR

3.0.0

Changed

  • DebugGroup group operation counting data is now split up into buckets that allow, for example, to separately count operations done by different parties in an interactive protocol. Furthermore, counting is now done statically, i.e. the data in each bucket persists across DebugGroup instances.
  • Reduce collisions for Zn#injectiveValueOf

Added

  • Add lazy and naive wrappers around Secp256k1 curve, and make curve implementation package-private

Fixed

  • Fixed issue where exceptions during group computations could hang up the whole applications without surfacing the exception.

2.1.0

Added

  • Algorithm selection for debug groups

Fixed

  • IntegerRing.decomposeIntoDigits sometimes worked incorrectly

2.0.0 - 2021-06-23

Added

  • New indifferentiable hash functions to G1 and G2 for Barreto-Naehrig bilinear groups
  • Additional operator overload methods added to ExponentExpr
  • BasicBilinearGroup wrappers for the implemented bilinear groups
  • Convenience methods for the vector classes
  • square, div and valueOf convenience methods for Zn and Zp classes
  • PRF classes from Craco now are part of Math
  • ByteArrayImpl, a byte array implementation

Changed

  • Renamed "counting" group classes and package to "debug"
  • Made supersingular and Barreto-Naehrig implementation classes package-private (except those that are relevant to the user)
  • Made internal lazy group classes package-private
  • Adjusted some tests to work with the new package-private classes
  • Made representation handler classes package-private and moved the classes up a package
  • Made ring group impl classes package-private and moved inv and neg cost estimation to the Ring interface
  • Improved performance of finite field multiplication

Fixed

  • Fixed decomposeIntoDigits method of IntegerRing

1.0.0 - 2021-03-01

Added

  • Initial release