# [RustCrypto]: X.509 Certificates
[![crate][crate-image]][crate-link]
[![Docs][docs-image]][docs-link]
[![Build Status][build-image]][build-link]
![Apache2/MIT licensed][license-image]
![Rust Version][rustc-image]
[![Project Chat][chat-image]][chat-link]
Pure Rust implementation of the X.509 Public Key Infrastructure Certificate
format as described in [RFC 5280].
[Documentation][docs-link]
## Minimum Supported Rust Version (MSRV) Policy
MSRV increases are not considered breaking changes and can happen in patch releases.
The crate MSRV accounts for all supported targets and crate feature combinations, excluding
explicitly unstable features.
## License
Licensed under either of:
- [Apache License, Version 2.0](http://www.apache.org/licenses/LICENSE-2.0)
- [MIT license](http://opensource.org/licenses/MIT)
at your option.
### Contribution
Unless you explicitly state otherwise, any contribution intentionally submitted
for inclusion in the work by you, as defined in the Apache-2.0 license, shall be
dual licensed as above, without any additional terms or conditions.
[//]: # (badges)
[crate-image]: https://img.shields.io/crates/v/x509-cert
[crate-link]: https://crates.io/crates/x509-cert
[docs-image]: https://docs.rs/x509-cert/badge.svg
[docs-link]: https://docs.rs/x509-cert/
[build-image]: https://github.com/RustCrypto/formats/actions/workflows/x509-cert.yml/badge.svg
[build-link]: https://github.com/RustCrypto/formats/actions/workflows/x509-cert.yml
[license-image]: https://img.shields.io/badge/license-Apache2.0/MIT-blue.svg
[rustc-image]: https://img.shields.io/badge/rustc-1.85+-blue.svg
[chat-image]: https://img.shields.io/badge/zulip-join_chat-blue.svg
[chat-link]: https://rustcrypto.zulipchat.com/#narrow/stream/300570-formats
[//]: # (links)
[RustCrypto]: https://github.com/rustcrypto
[RFC 5280]: https://datatracker.ietf.org/doc/html/rfc5280