US Patent 7512782 Method and system for using a web service license

A method and system are provided such that a universal license may be used for authentication and authorization purposes and may include one or more cryptographic keys as well as assertions and related indications of authenticity. In an aspect of the invention, a license may be presented that includes access information, such that authentication and authorization decisions may be made based only on the access information. In other aspects of the invention, rights may be delegated and a trusted party may assert that another party can be trusted.