# 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).

## 0.9.6 (2023-12-15)
### Added
- RFC6962 (Certificate Transparency) OIDs ([#1134])

[#1134]: https://github.com/RustCrypto/formats/pull/1134

## 0.9.5 (2023-08-02)
### Added
- RFC8410 (curve25519) OIDs ([#867])

[#867]: https://github.com/RustCrypto/formats/pull/867

## 0.9.4 (2023-07-10)
### Added
- RFC8894 (SCEP) OIDs ([#1114])

[#1114]: https://github.com/RustCrypto/formats/pull/1114

## 0.9.3 (2023-06-29)
### Added
- `Database::find_names_for_oid` ([#1129])

[#1129]: https://github.com/RustCrypto/formats/pull/1129

## 0.9.2 (2023-02-26)
### Added
- `arbitrary` crate feature ([#895])

[#895]: https://github.com/RustCrypto/formats/pull/895

## 0.9.1 (2022-11-12)
### Added
- clippy lints for checked arithmetic and panics ([#561])
- `DynAssociatedOid` trait ([#758])

[#561]: https://github.com/RustCrypto/formats/pull/561
[#758]: https://github.com/RustCrypto/formats/pull/758

## 0.9.0 (2022-03-11)
### Added
- Fallible `const fn` parser + `::new_unwrap` ([#458], [#459])
- OID database gated under the `db` feature ([#451], [#453], [#456], [#488])
- `AssociatedOid` trait ([#479])
- `ObjectIdentifier::push_arc` ([#504])
- `ObjectIdentifier::parent` ([#505])

### Changed
- `ObjectIdentifier::new` now returns a `Result` ([#458])

[#451]: https://github.com/RustCrypto/formats/pull/451
[#453]: https://github.com/RustCrypto/formats/pull/453
[#456]: https://github.com/RustCrypto/formats/pull/456
[#458]: https://github.com/RustCrypto/formats/pull/458
[#459]: https://github.com/RustCrypto/formats/pull/459
[#479]: https://github.com/RustCrypto/formats/pull/479
[#488]: https://github.com/RustCrypto/formats/pull/488
[#504]: https://github.com/RustCrypto/formats/pull/504
[#505]: https://github.com/RustCrypto/formats/pull/505

## 0.8.0 (2022-01-17)
### Changed
- Leverage `const_panic`; MSRV 1.57 ([#341])

[#341]: https://github.com/RustCrypto/formats/pull/341

## 0.7.1 (2021-11-30)
### Changed
- Increase `MAX_SIZE` to 39 ([#258])

[#258]: https://github.com/RustCrypto/formats/pull/258

## 0.7.0 (2021-11-14) [YANKED]
### Changed
- Rust 2021 edition upgrade; MSRV 1.56 ([#136])
- Rename `MAX_LENGTH` to `MAX_SIZE`; bump to `31` ([#174])
- Make `length` the first field of `ObjectIdentifier` ([#178])

### Fixed
- `debug_assert!` false positive on large arc ([#180])

[#136]: https://github.com/RustCrypto/formats/pull/136
[#174]: https://github.com/RustCrypto/formats/pull/174
[#178]: https://github.com/RustCrypto/formats/pull/178
[#180]: https://github.com/RustCrypto/formats/pull/180

## 0.6.2 (2021-10-14)
### Fixed
- Off-by-one error parsing large BER arcs ([#84])

[#84]: https://github.com/RustCrypto/formats/pull/84

## 0.6.1 (2021-09-14) [YANKED]
### Changed
- Moved to `formats` repo ([#2])

[#2]: https://github.com/RustCrypto/formats/pull/2

## 0.6.0 (2021-06-03) [YANKED]
### Changed
- Modernize and remove deprecations; MSRV 1.51+

## 0.5.2 (2021-04-20)
### Added
- Expand README.md

## 0.5.1 (2021-04-15)
### Added
- `ObjectIdentifier::MAX_LENGTH` constant

### Changed
- Deprecate `ObjectIdentifier::max_len()` function

## 0.5.0 (2021-03-21)
### Added
- `TryFrom<&[u8]>` impl on `ObjectIdentifier`

## Changed
- MSRV 1.47+
- Renamed the following methods:
  - `ObjectIdentifier::new` => `ObjectIdentifier::from_arcs`
  - `ObjectIdentifier::parse` => `ObjectIdentifier::new`
  - `ObjectIdentifier::from_ber` => `ObjectIdentifier::from_bytes`

### Removed
- Deprecated methods
- `alloc` feature - only used by aforementioned deprecated methods
- `TryFrom<&[Arc]>` impl on `ObjectIdentifier` - use `::from_arcs`

## 0.4.5 (2021-03-04)
### Added
- `Hash` and `Ord` impls on `ObjectIdentifier`

## 0.4.4 (2021-02-28)
### Added
- `ObjectIdentifier::as_bytes` method

### Changed
- Internal representation changed to BER/DER
- Deprecated `ObjectIdentifier::ber_len`, `::write_ber`, and `::to_ber`

## 0.4.3 (2021-02-24)
### Added
- Const-friendly OID string parser

## 0.4.2 (2021-02-19)
### Fixed
- Bug in root arc calculation

## 0.4.1 (2020-12-21)
### Fixed
- Bug in const initializer

## 0.4.0 (2020-12-16)
### Added
- `Arcs` iterator

### Changed
- Rename "nodes" to "arcs"
- Layout optimization
- Refactor and improve length limits

## 0.3.5 (2020-12-12)
### Added
- `ObjectIdentifier::{write_ber, to_ber}` methods

## 0.3.4 (2020-12-06)
### Changed
- Documentation improvements

## 0.3.3 (2020-12-05)
### Changed
- Improve description in Cargo.toml/README.md

## 0.3.2 (2020-12-05)
### Changed
- Documentation improvements

## 0.3.1 (2020-12-05)
### Added
- Impl `TryFrom<&[u32]>` for ObjectIdentifier

## 0.3.0 (2020-12-05) [YANKED]
### Added
- Byte and string parsers

## 0.2.0 (2020-09-05)
### Changed
- Validate OIDs are well-formed; MSRV 1.46+

## 0.1.0 (2020-08-04)
- Initial release