Applies to Silverlight 4 and 5
Authentication and authorization are the requirements for almost every serious Line of Business application. There are quite a few options to get this up and running with Silverlight, and one of them is by using Windows Identity Foundation (WIF) . This consists of a set of classes with which you can build identity-aware applications. It allows us to externalize authentication and authorization: the application relies on an identity provider for this.
In this recipe, we'll learn how to use WIF with Silverlight, using an external Security Token Service (the identity provider), which will take care of authentication/authorization for us.
This recipe ...