saymrwulf/pasta_curves-source
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pasta_curves-source/CHANGELOG.md
Jack Grigg 32cc10db46 Move FieldExt::get_lower_32 to SqrtRatio trait 
It is only used internally by the table-based square root impl, and we
should probably refactor this further, but for now it can live in the
sqrt extension trait.
2021-09-30 13:57:59 +01:00

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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 Rust's notion of Semantic Versioning.

[Unreleased]

Added

  • pasta_curves::arithmetic::SqrtRatio trait, extending ff::PrimeField with square roots of ratios. This trait is likely to be moved into the ff crate in a future release (once we're satisfied with it).

Removed

  • pasta_curves::arithmetic:
    • Field re-export (pasta_curves::group::ff::Field is equivalent).
    • FieldExt::ROOT_OF_UNITY (use ff::PrimeField::root_of_unity instead).
    • FieldExt::{T_MINUS1_OVER2, pow_by_t_minus1_over2, get_lower_32, sqrt_alt, sqrt_ratio} (moved to SqrtRatio trait).
    • FieldExt::{RESCUE_ALPHA, RESCUE_INVALPHA}
    • FieldExt::from_u64 (use From<u64> for ff::PrimeField instead).
    • FieldExt::{from_bytes, read, to_bytes, write} (use ff::PrimeField::{from_repr, to_repr} instead).

[0.2.1] - 2021-09-17

Changed

  • The crate is now licensed as MIT OR Apache-2.0.

[0.2.0] - 2021-09-02

Changed

  • Migrated to ff 0.11, group 0.11.

[0.1.2] - 2021-08-06

Added

  • Implementation of group::WnafGroup for Pallas and Vesta, enabling them to be used with group::Wnaf for targeted performance improvements.

[0.1.1] - 2021-06-04

Added

  • Implementations of group::cofactor::{CofactorCurve, CofactorCurveAffine} for Pallas and Vesta, enabling them to be used in cofactor-aware protocols that also want to leverage the affine point representation.

[0.1.0] - 2021-06-01

Initial release!