DRM KEY MANAGEMENT SYSTEM USING MULTI-DIMENSIONAL GROUPING TECHNIQUES

A key management system is provided. The key management system includes a key server. The key server generates secret keys by constructing a rights hierarchy and a resource hierarchy, associating the rights hierarchy with the resource hierarchy, and converting a rights-resource relationship into a n...

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Bibliographic Details
Main Authors KAO YIH-SIEN, LEU MUHYI, SUN HUNG-MIN, WANG KING-HANG
Format Patent
LanguageEnglish
Published 04.03.2010
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
PICTORIAL COMMUNICATION, e.g. TELEVISION
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Summary:A key management system is provided. The key management system includes a key server. The key server generates secret keys by constructing a rights hierarchy and a resource hierarchy, associating the rights hierarchy with the resource hierarchy, and converting a rights-resource relationship into a node in a service hierarchy. The rights hierarchy includes a rights node and the resource hierarchy includes a resource node. The rights hierarchy is set above the resource hierarchy. The right hierarchy and the resource hierarchy are in a partial order relationship.
Bibliography:Application Number: US20080202550