Alice in Claims: Windows Identity Foundation

Introduction

This is the sixth post in a series about claims based identity management and the Windows Identity Foundation (WIF).

The first five were:

In this post, we introduce the Windows Identity Foundation – WIF.

Windows Identity Foundation

Contents

The Windows Identity Foundation SDK is composed by:

  • The Microsoft.IdentityModel.dll .NET assembly
  • The FedUtil command line tool.
  • A Visual Studio add-in.

Purpose

The Microsoft.IdentityModel.dll assembly contains class models for:

  • Claims-based identity representation.
  • A claims and token issuance pipeline.
  • A claims and token consumption pipeline.
  • Host adaptation layer supporting the above generic pipelines over the ASP.NET and WCF “hosts”.

The FedUtil command line generates configuration files based on federation metadata.

Finally, the Visual Studio add-in contain templates for:

  • Identity consumers – ASP.NET sites and WCF services.
  • Identity producers – ASP.NET and WCF based security token services.

In the next post, we will begin our in-depth analysis of WIF by looking into the class model for claims based identity representation.

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