发明名称 Method for managing digital rights in broadcast/multicast service
摘要 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.
申请公布号 US2006206708(A1) 申请公布日期 2006.09.14
申请号 US20060331097 申请日期 2006.01.13
申请人 LG ELECTRONICS INC. 发明人 SON SUNG-MU;KIM TE-HYUN;SHIM DONG-HEE;HAN KYU-SUNG;SHON MIN-JUNG;LEE SEUNG-JAE;CHU YOUN-SUNG
分类号 H04L9/00 主分类号 H04L9/00
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