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OpenIddict

The OpenID Connect stack you'll be addicted to.

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What is OpenIddict?

OpenIddict aims at providing a versatile solution to implement OpenID Connect client, server and token validation support in .NET applications.

[!TIP] While the client, server and token validation features can be used in any ASP.NET 4.6.1+ or ASP.NET Core 2.1+ web application, the client feature can also be used in Android, iOS, Linux, Mac Catalyst, macOS and Windows applications to integrate with OpenIddict-based identity providers or any other OAuth 2.0/OpenID Connect-compliant implementation.

OpenIddict fully supports the code/implicit/hybrid flows, the client credentials/resource owner password grants and the device authorization flow.

OpenIddict natively supports Entity Framework Core, Entity Framework 6 and MongoDB out-of-the-box and custom stores can be implemented to support other providers.


Getting started

To implement a custom OpenID Connect server using OpenIddict, read Getting started.

Samples demonstrating how to use OpenIddict with the different OAuth 2.0/OpenID Connect flows can be found in the dedicated repository.

Developers looking for a simple and turnkey solution are strongly encouraged to use OrchardCore and its OpenID module, which is based on OpenIddict, comes with sensible defaults and offers a built-in management GUI to easily register OpenID client applications.

Looking to integrate with a SAML2P Identity Provider (IDP) or Service Provider (SP)? Rock Solid Knowledge, a sponsor of OpenIddict, is developing a range of identity components to enhance your OpenIddict solution. The first of these is their popular SAML2P component.


Certification

Unlike many other identity providers, OpenIddict is not a turnkey solution but a framework that requires writing custom code to be operational (typically, at least an authorization controller), making it a poor candidate for the certification program.

While a reference implementation could be submitted as-is, this wouldn't guarantee that implementations deployed by OpenIddict users would be standard-compliant.

Instead, developers are encouraged to execute the conformance tests against their own deployment once they've implemented their own logic.

[!TIP] The samples repository contains a dedicated sample specially designed to be used with the OpenID Connect Provider Certification tool and demonstrate that OpenIddict can be easily used in a certified implementation. To allow executing the certification tests as fast as possible, that sample doesn't include any membership or consent feature (two hardcoded identities are proposed for tests that require switching between identities).


Resources

Looking for additional resources to help you get started with OpenIddict? Don't miss these interesting blog posts:

OpenIddict-based projects maintained by third parties:


Security policy

Security issues and bugs should be reported privately by emailing security@openiddict.com. You should receive a response within 24 hours. If for some reason you do not, please follow up via email to ensure we received your original message.


Support

If you need support, please first make sure you're sponsoring the project. Depending on the tier you selected, you can open a GitHub ticket or send an email to contact@openiddict.com for private support.

Alternatively, you can also post your question on Gitter.

[!IMPORTANT] With OpenIddict 5.x now being generally available, the previous version, OpenIddict 4.x, stops being supported and won't receive bug fixes or security updates. As such, it is recommended to migrate to OpenIddict 5.x to continue receiving bug and security fixes.

There are, however, two exceptions to this policy:


Nightly builds

If you want to try out the latest features and bug fixes, there is a MyGet feed with nightly builds of OpenIddict. To reference the OpenIddict MyGet feed, create a NuGet.config file (at the root of your solution):

<?xml version="1.0" encoding="utf-8"?>
<configuration>
  <packageSources>
    <add key="nuget" value="https://api.nuget.org/v3/index.json" />
    <add key="openiddict" value="https://www.myget.org/F/openiddict/api/v3/index.json" />
  </packageSources>
</configuration>

Contributors

OpenIddict is actively maintained by Kévin Chalet. Contributions are welcome and can be submitted using pull requests.

Special thanks to our sponsors for their incredible support:

<a href="https://volosoft.com/"> <picture> <source media="(prefers-color-scheme: dark)" srcset="https://volosoft.com/assets/logos/volosoft-logo-light.svg"> <img src="https://volosoft.com/assets/logos/volosoft-logo-dark.svg" width="500px" alt="Volosoft logo" /> </picture> </a> <br /> <br /> <a href="https://www.openiddictcomponents.com/"> <img src="https://www.openiddictcomponents.com/img/openiddict-components-logo.png" width="400px" alt="OpenIddict Components logo" /> </a> <br /> <br /> <!-- sponsors --><a href="https://github.com/sebastienros"><img src="https://github.com/sebastienros.png" width="60px" alt="Sébastien Ros" /></a><a href="https://github.com/schmitch"><img src="https://github.com/schmitch.png" width="60px" alt="Schmitt Christian" /></a><a href="https://github.com/cryo75"><img src="https://github.com/cryo75.png" width="60px" alt="" /></a><a href="https://github.com/SebastianStehle"><img src="https://github.com/SebastianStehle.png" width="60px" alt="Sebastian Stehle" /></a><a href="https://github.com/communicatie-cockpit"><img src="https://github.com/communicatie-cockpit.png" width="60px" alt="Communicatie Cockpit" /></a><a href="https://github.com/KeithT"><img src="https://github.com/KeithT.png" width="60px" alt="" /></a><a href="https://github.com/Skrypt"><img src="https://github.com/Skrypt.png" width="60px" alt="Jasmin Savard" /></a><a href="https://github.com/feededit"><img src="https://github.com/feededit.png" width="60px" alt="" /></a><a href="https://github.com/jonmartinsson"><img src="https://github.com/jonmartinsson.png" width="60px" alt="" /></a><a href="https://github.com/DigitalOpsDev"><img src="https://github.com/DigitalOpsDev.png" width="60px" alt="DigitalOps Co. 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License

This project is licensed under the Apache License. This means that you can use, modify and distribute it freely. See http://www.apache.org/licenses/LICENSE-2.0.html for more details.