The Liberty Alliance and its members have put together the following materials to assist developers in understanding, developing and deploying Liberty enabled prodcuts.

Below are some resources produced by the Liberty Alliance to aid in the understanding and development of the Liberty Alliance Specificaitons.

Liberty Alliance Developer Tutorial

An overview and walkthrough of the Liberty Architecture and each of it’s specifications.

Liberty Alliance Development List Serv

Comments on the current drafts and specifications, suggestions for improvements, and constructive criticism are welcome. Liberty Alliance members participate in the list discussions with community members interested in learning more about implementing the Liberty specifications.

Liberty ID-FF Architecture Overview

A summary description of the Liberty ID-FF architecture, including policy and security guidance. (draft document)

Liberty ID-WSF Overview

This primer is a non-normative document intended to provide an overview of the relevant features of the Liberty ID-WSF Version 1.0 Specifications. (draft document)

Phase 2 Draft Specifications Complete ZIP file (2.27 Mb)

contains the complete draft specification set for the phase 2 Liberty Specifications

Below are links to other resources produced by members of the Liberty Alliance to aid in the understanding and development of the Liberty Alliance Specifications.

A Brief Introduction to Liberty

This document gives an introduction to the Liberty Version 1 specifications. It briefly discusses some of the underlying technologies, including HTTP, the establishment of web connections, and SSL. Liberty version 1 technologies are presented in overview, along with a brief discussion of Liberty security characteristics, including a review of the risks in single sign-on systems.

Federated Identity Management

Corporate strategies for managing security, liability, scalability and the risk of fraud as identity moves towards federation.

Enabling Single Sign-On Through Identity Federation

HP Federated Identity White Paper.

This paper explores the concepts of digital identity management, examines industry driving trends, discusses various models of deployment and shines light on the work of the Liberty Alliance Project as a basis for a comprehensive solution.

Phaos Identity Management Security Solutions

Risks Presented by Single Sign-On Architectures

This document gives a simple and brief treatment of the risks presented by single sign-on architectures.

ROI and Identity Management

Leading organizations are deploying identity management solutions now. Over the course of the next 18 months, the ROI associated with these deployments will shift. Organizations that move fast will reduce their risk, improve their overall competitive posture and make themselves a more attractive trading partner.

Security and Privacy Concerns of Internet Single Sign-On

A modestly detailed survey, painted in the context of Liberty v1.


An open-source Java toolkit for enabling Liberty protocol v1.1 Single Sign-On and federated identity exchange.


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