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https://github.com/briansmith/webpki

WebPKI X.509 Certificate Validation in Rust
https://github.com/briansmith/webpki

certificate pkix rust webpki x509

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WebPKI X.509 Certificate Validation in Rust

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README 

        
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES

WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF

MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR

ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES

WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN

ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF

OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.



What is webpki?

==================



webpki is a library that validates Web PKI (TLS/SSL) certificates. webpki

is designed to provide a **full** implementation of the client side of the

**Web PKI** to a diverse range of applications and devices,

including embedded (IoT) applications, mobile apps, desktop applications, and

server infrastructure. webpki is intended to not only be the best

implementation of the Web PKI, but to also *precisely define* what the Web PKI

is.



webpki is written in [Rust](https://www.rust-lang.org/) and uses

[*ring*](https://github.com/briansmith/ring) for signature verification.



webpki is strongly influenced by

[mozilla::pkix](https://github.com/briansmith/mozillapkix). You can read a

little about the ideas underlying both mozilla::pkix and webpki in

[insanity::pkix: A New Certificate Path Building & Validation

Library](https://briansmith.org/insanity-pkix).



The Rust compiler statically guarantees there are no buffer overflows,

uses-after-free, double-frees, data races, etc. in webpki. webpki takes

advantage of Rust's borrow checker to ensure that its **zero-copy parsing**

strategy is safe and efficient. webpki *never* allocates memory on the heap,

and it maintains a tight bound on the amount of stack memory it uses. webpki

avoids all superfluous PKIX features in order to keep its object code size

small. Further reducing the code size of webpki is an important goal.



This release is the very first prototype. Lots of improvements are planned,

including:



* An extensive automated test suite.

* Key pinning.

* Certificate Transparency support.

* Short-lived certificate, OCSP stapling, and CRLSet support.

* Customization of the supported algorithms, key sizes, and elliptic curves

  allowed during a validation.

* A C language wrapper interface to allow using webpki in non-Rust

  applications.

* A specification of precisely what the Web PKI is.



Demo

====



See https://github.com/ctz/rustls#example-code for an example of using

webpki.



License

=======



See [LICENSE](LICENSE). This project happily accepts pull requests without any

formal copyright/contributor license agreement. Pull requests must explicitly

indicate who owns the copyright to the code being contributed and that the code

is being licensed under the same terms as the existing webpki code.



Bug Reporting

=============



Please report bugs either as pull requests or as issues in [the issue

tracker](https://github.com/briansmith/webpki/issues). webpki has a

**full disclosure** vulnerability policy. **Please do NOT attempt to report

any security vulnerability in this code privately to anybody.**