TRUSTING SECURITY ATTRIBUTE AUTHORITIES THAT ARE BOTH COOPERATIVE AND COMPETITIVE

摘要

A method and system for authorizing a user. The method comprises the steps of assigning a first role to a user in a first domain, assigning a second role in a second domain to the first role, and assigning access to a resource in the second domain to the second role. The method comprises the further steps of receiving a request from the user for the resource; and providing access to the resource, to the user. The invention may be employed by users and services to manage their interaction with those services, including configuring which they trust for what types of information, in what applications, and which subsets of information they can be trusted to provide.