The complete Liberty Specifications can be found here.
Liberty Alliance Complete Specifications ZIP Package – 17 December, 2007
Liberty Alliance ID-WSF Advanced Client 1.0 Specifications
The final, approved Advanced Client 1.0 Specifications, schema, WSDL, and supporting docs.
Liberty Alliance ID-WSF 2.0 Specifications including Errata v1.0 Updates
A discussion of the Need-Driven Requirements for ID-WSF 2.0 ( Liberty ID-WSF 2.0 Marketing Requirements Document v1.0 ) is available in the Strategic Initiatives‘ Requirements section.
Liberty Alliance ID-SIS 1.0 Specifications
Liberty Alliance ID-WSF Data Services Template v2.0 Specifications
Liberty Alliance ID-WSF 1.1 Specifications
Liberty Alliance ID-FF 1.2 Specifications
For an overview of the relationship between ID-FF, SAML2, and ID-WSF 2.0, please see the discussion in the Federation section of Strategic Initiatives.
Liberty Alliance Specifications – Support Documents and Utility Schema Files
Developer Resources, Feedback, and Policies
Specifications Archives
A discussion of the Need-Driven Requirements for Phase 1 ( Phase 1 – Authentication Sharing Marketing Requirements Document v1.0 ), Phase 2 ( Phase 2 – Identity Services Marketing Requirements Document v1.0 ), WSF 2.0 ( Liberty ID-WSF 2.0 Marketing Requirements Document v1.0 ) and Phase 3 ( Liberty Business Identity Profile Marketing Requirements Document v1.0 , Liberty Intelligent Client Marketing Requirements Document v1.0 , and Liberty Transaction Accounting Marketing Requirements Document v1.0 ) is available in the Strategic Initiatives‘ Requirements section.