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Sunday, December 13, 2009


Here’s a cool library: DotNetOpenAuth:

This C# library adds OpenID 2.0 Provider and Relying Party, OAuth Consumer and Service Provider, and InfoCard Selectorsupport to your web site both programmatically and through convenient drop-in ASP.NET controls. Use as much or little of the functionality as you want.

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All downloads include both the library, samples, and tools to help you get started.

We use GIT for source control, click here to find out more


  • Compiled library that adds support for your site visitors to login with their OpenIDs by just dropping an ASP.NET control onto your page. It's that easy. An AJAX-style login control is also included for a slick, streamlined user experience.
  • Give your site members their own OpenIDs with the provider support included in this library.
  • Sample relying party and provider web sites show you just how to do it.
  • Easy access to all the functionality so you can customize how OpenID will operate on your site, whether you use ASP.NET or not.
  • Classic ASP support
  • Full support for custom extensions. Plus built-in support for Simple Registration, Attribute Exchange and PAPE.
  • Works in partial trusted shared hosting environments.
  • Support for web farms where state persistence, front-facing web servers and ASP.NET may not be standard or even available.
  • OpenID 2.0 and 1.x
  • OAuth 1.0 and 1.0a
  • Superior support for multi-byte Unicode identifiers.
  • Lots of security features
  • 490+ unit tests to verify correctness.
  • Library behind the OSIS OpenID interop testing
  • About 1500 downloads per month. See who's using DotNetOpenAuth

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