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Windows CardSpace

Windows CardSpace is a Microsoft .NET Framework version 3.0 component that provides the consistent user experience required by the identity metasystem. It is specifically hardened against tampering and spoofing to protect the end user's digital identities and maintain end-user control.

	Understanding CardSpace This sample chapter from Understanding CardSpace (Addison-Wesley Professional) outlines some of the problems faced by authentication systems, and how Windows CardSpace has been designed from the ground up to solve these problems.
	A One-Page Introduction to Windows CardSpace This one-pager describes how Microsoft's Windows CardSpace software and the "Identity Metasystem" protocols underlying it help solve the identity problems that Internet users face today. CardSpace is Microsoft's contribution to filling this gap using technology all can adopt and solutions all can endorse, putting people in control of their identity interactions on the Internet.
	Patterns for Supporting Information Cards on Web Sites. Check out this step-by-step guide on best practices for supporting Information Cards on Web sites. Learn about two different deployment scenarios: sites exclusively using Information Cards for authentication, and mixed-mode sites allowing the use of either passwords or Information Cards.
	Information Card Icon This icon is intended to provide a common visual cue that Information Cards can be used to provide information to a site or program, similarly to how the RSS icon is used to indicate the availability of syndicated content. It is intended for use by all.
	Identity: Secure Your ASP.NET Apps And WCF Services With Windows CardSpace Windows CardSpace replaces traditional username/password authentication with a tool that helps users better manage their digital identities and helps shield users from various forms of identity attack such as phishing. Michèle Leroux Bustamante explains.
	Introducing Windows CardSpace This article introduces the set of new Windows capabilities called Windows CardSpace, which provides a standards-based solution for working with and managing diverse digital identities.
	A First Look at Windows CardSpace Windows CardSpace wraps up the who of who you are while keeping your private information private. It may well revolutionize business on the Web.
	A Deeper Look at Windows CardSpace In this Security Briefs, Keith Brown drills into Windows CardSpace and demonstrates how to create a relying party and a client.

	A Guide to Using the Identity Selector Interoperability Profile V1.5 within Web Applications and Browsers Learn about the web interfaces used to enable the use of Information Cards and Identity Selectors by interoperable web applications and browsers. [ XPS Version]
	An Implementer’s Guide to the Identity Selector Interoperability Profile V1.5 Learn how digital identities represented by Information Cards can be integrated into a user-centric identity framework, based on the concept of an Identity Metasystem, enabling interoperable Identity Selectors, Identity Providers, and Relying Parties, all with the user in control. [ XPS Version]
	Identity Selector Interoperability Profile V1.5 This document is a normative description of the Identity Selector Interoperability Profile. Implementations using these specifications allow people to manage their digital identities with Identity Selectors that represent these identities as Information Cards. Each card has an associated Identity Provider and can be selected by people for use at Relying Parties where they are accepted. [ XPS Version]
	The Identity Blog Check out Kim Cameron's Identity Weblog where he discusses the Laws of Identity and other topics around Web services and identification.
	Channel 9 Interviews Kim Cameron The folks from Channel 9 talk to Kim Cameron about identity.
	Microsoft's Vision for an Identity Metasystem The Identity Metasystem is an interoperable architecture for digital identity that assumes people will have several digital identities based on multiple underlying technologies, implementations, and providers.
	The Laws of Identity Defining a set of fundamental principles to which any universally adopted, sustainable identity architecture must conform, the "Laws of Identity" were proposed, debated, and refined through an open and continuing dialogue on the Internet.
	Video: Windows CardSpace Explained Ever wonder what Windows CardSpace is all about? Nigel Watling (Technical Evangelist) and Andy Harjanto (Program Manager) explain it in this Channel 9 video with a lot of time spent on the whiteboard.