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55 lines
2.2 KiB
Markdown
55 lines
2.2 KiB
Markdown
# Changelog
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All notable changes to this project will be documented in this file.
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The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
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and this project adheres to Rust's notion of
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[Semantic Versioning](https://semver.org/spec/v2.0.0.html).
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## [Unreleased]
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## [0.3.0] - 2022-01-03
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### Added
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- Support for `no-std` builds, via two new (default-enabled) feature flags:
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- `alloc` enables the `pasta_curves::arithmetic::{CurveAffine, CurveExt}`
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traits, as well as implementations of traits like `group::WnafGroup`.
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- `sqrt-table` depends on `alloc`, and enables the large precomputed tables
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(stored on the heap) that speed up square root computation.
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- `pasta_curves::arithmetic::SqrtRatio` trait, extending `ff::PrimeField` with
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square roots of ratios. This trait is likely to be moved into the `ff` crate
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in a future release (once we're satisfied with it).
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### Removed
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- `pasta_curves::arithmetic`:
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- `Field` re-export (`pasta_curves::group::ff::Field` is equivalent).
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- `FieldExt::ROOT_OF_UNITY` (use `ff::PrimeField::root_of_unity` instead).
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- `FieldExt::{T_MINUS1_OVER2, pow_by_t_minus1_over2, get_lower_32, sqrt_alt,`
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`sqrt_ratio}` (moved to `SqrtRatio` trait).
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- `FieldExt::{RESCUE_ALPHA, RESCUE_INVALPHA}`
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- `FieldExt::from_u64` (use `From<u64> for ff::PrimeField` instead).
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- `FieldExt::{from_bytes, read, to_bytes, write}`
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(use `ff::PrimeField::{from_repr, to_repr}` instead).
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- `FieldExt::rand` (use `ff::Field::random` instead).
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- `CurveAffine::{read, write}`
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(use `group::GroupEncoding::{from_bytes, to_bytes}` instead).
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## [0.2.1] - 2021-09-17
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### Changed
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- The crate is now licensed as `MIT OR Apache-2.0`.
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## [0.2.0] - 2021-09-02
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### Changed
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- Migrated to `ff 0.11`, `group 0.11`.
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## [0.1.2] - 2021-08-06
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### Added
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- Implementation of `group::WnafGroup` for Pallas and Vesta, enabling them to be
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used with `group::Wnaf` for targeted performance improvements.
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## [0.1.1] - 2021-06-04
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### Added
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- Implementations of `group::cofactor::{CofactorCurve, CofactorCurveAffine}` for
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Pallas and Vesta, enabling them to be used in cofactor-aware protocols that
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also want to leverage the affine point representation.
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## [0.1.0] - 2021-06-01
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Initial release!
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