公开(公告)号：EP1836795B1

公开(公告)日：2011-03-09

申请号：EP06702917.3

申请日：2006-01-13

申请人： LG Electronics Inc.

发明人： SON, Sung-Mu, Hansolmaeul Jugong 4-danji Apt. ,  SHIM, Dong-Hee, Geumsong-Livingtel 503 ,  HAN, Kyu-Sung, Jangmi Apt. A-501, 889-26 ,  SHON, Min-Jung, Lotte Apt. 102-101 ,  KIM, Te Hyun, Donga Echoville Apt. 102-1002 ,  LEE, Seung-Jae ,  CHU, Youn Sung

IPC分类号： H04L9/32

CPC分类号： H04L9/0833 ,  H04H60/15 ,  H04H60/23 ,  H04L9/0825 ,  H04L63/0428 ,  H04L63/06 ,  H04L63/104 ,  H04L2209/601 ,  H04L2209/603 ,  H04L2209/80 ,  H04L2463/101

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.

公开(公告)号：EP1836795A1

公开(公告)日：2007-09-26

申请号：EP06702917.3

申请日：2006-01-13

申请人： LG Electronics Inc.

发明人： SON, Sung-Mu, Hansolmaeul Jugong 4-danji Apt. ,  SHIM, Dong-Hee, Geumsong-Livingtel 503 ,  HAN, Kyu-Sung, Jangmi Apt. A-501, 889-26 ,  SHON, Min-Jung, Lotte Apt. 102-101 ,  KIM, Te Hyun, Donga Echoville Apt. 102-1002 ,  LEE, Seung J., Haan Jugong 11-danji Apt. 1101-1405 ,  CHU, Youn Sung

IPC分类号： H04L9/32

CPC分类号： H04L9/0833 ,  H04H60/15 ,  H04H60/23 ,  H04L9/0825 ,  H04L63/0428 ,  H04L63/06 ,  H04L63/104 ,  H04L2209/601 ,  H04L2209/603 ,  H04L2209/80 ,  H04L2463/101

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.