Most federated identity management systems are limited by users' ability to choose only one
identity provider per service session. A proposed linking service lets users securely link their …

This paper describes a conceptual model for attribute aggregation that allows a service
provider (SP) to authorise a user's access request based on attributes asserted by multiple …

Identity Federations are increasingly being used to establish convenient and secure attribute-
based authentication and authorization systems. Whilst this process began mainly in the …

BACKGROUND In telecommunications and computer networks, an identity network includes
a plurality of service providers and an iden tity provider, forming what is sometimes called a …

This specification defines an ID-WSF Authentication Protocol based on a profile of the
Simple Authentication and Security Layer (SASL) framework mapped onto ID-* SOAP-bound …

Liberty ID-WSF Design Patterns Page 1 Liberty Alliance Project: Version: 1.0 Liberty ID-WSF
Design Patterns Version: 1.0 Editors: Conor P. Cahill, Intel Corporation Contributors: George …

This document has been prepared by Sponsors of the Liberty Alliance. Permission is hereby
granted to use the 2 document solely for the purpose of implementing the Specification. No …

It is often necessary for providers of identity-based web services to interact with principsls
(eg the owners of the identity data exposed by such services or the individuals on whose …