Birch, Stewart, Kolasch & Birch, LLP
Method for managing digital rights in broadcast/multicast service
A method of digital rights management for a broadcast-multicast service, the method comprising receiving a request from a terminal to join a service domain having a common group key; transmitting encryption of one or more service encryption keys using the common group key to the terminal that requested to join; and allowing the terminal to share the same contents and the same services with one or more other devices within the service domain.
LG Electronics Inc.
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Seung-Jae Kyu-Sung Min-Jung Sung-Mu Dong-Hee Youn-Sung Te-Hyun
Lee Han Shon Son Shim Chu Kim