# Changelog
All notable changes to this project will be documented in this file.
The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
## 0.5.1 (2023-05-19)
### Changed
- Loosen `subtle` version requirement to `^2.4` ([#1260])
[#1260]: https://github.com/RustCrypto/traits/pull/1260
## 0.5.0 (2022-07-30)
### Added
- `UhfBackend` trait ([#1051], [#1059])
- `UhfClosure` trait ([#1051])
- `UniversalHash::update_with_backend` method ([#1051])
### Changed
- Replace `NewUniversalHash` trait with `KeyInit` from `crypto-common` ([#1051])
- Source `Block` and `Key` types from `crypto-common` ([#1051])
- `UniversalHash::update` is now provided takes a slice of blocks ([#1051])
- `UniversalHash::finalize` now returns a `Block` ([#1051])
- Rust 2021 edition; MSRV 1.56 ([#1051])
### Removed
- `Ouput` replaced by `Block` ([#1051])
- `UniversalHash::reset` replaced with `Reset` trait from `crypto-common` ([#1051])
[#1051]: https://github.com/RustCrypto/traits/pull/1051
[#1059]: https://github.com/RustCrypto/traits/pull/1059
## 0.4.1 (2021-07-20)
### Changed
- Pin `subtle` dependency to v2.4 ([#689])
[#689]: https://github.com/RustCrypto/traits/pull/689
## 0.4.0 (2020-06-04)
### Added
- `Key` and `Block` type aliases ([#128])
### Changed
- Split `UniversalHash` initialization into `NewUniversalHash` trait ([#135])
- Rename `update_block` => `update` ([#129])
- Bump `generic-array` dependency to v0.14 ([#95])
[#135]: https://github.com/RustCrypto/traits/pull/135
[#129]: https://github.com/RustCrypto/traits/pull/129
[#128]: https://github.com/RustCrypto/traits/pull/128
[#95]: https://github.com/RustCrypto/traits/pull/95
## 0.3.0 (2019-10-03)
- Rename `OutputSize` -> `BlockSize` ([#57])
[#57]: https://github.com/RustCrypto/traits/pull/57
## 0.2.0 (2019-08-31)
### Changed
- Split KeySize/OutputSize ([#55])
[#55]: https://github.com/RustCrypto/traits/pull/55
## 0.1.0 (2019-08-30)
- Initial release