Patent ID: 7290699
Filing Date: 2007-11-06
Classification: G06F,H04L

Abstract:
1. A rights management system for managing use of content or services having usage rights specifying a manner of use associated therewith by enforcement of the usage rights, the system comprising: a client configured to be authenticated; a server configured to validate an authentication proof of trusted community membership of the client; and an access list manager configured to manage a trusted community of clients authorized to use said content or services, wherein the client sends a request specifying a manner of use to use content or to use a service to the server, the request from the client is sent to the server along with said authentication proof of trusted community membership, the server employs said access list manager to determine if the client has said authentication proof, the server grants said request if the authentication proof is valid and the requested use is specified in the usage rights associated with the content or service, the server denies said request if the authentication proof is invalid or the requested use is not specified in the usage rights associated with the content or service, and the server sends a notification to the client indicating the result of the request, and a method for obtaining authentication proof of trusted community membership if the request is denied because the authentication proof is invalid.