Invention Application
- Patent Title: TRAFFIC ENCRYPTION KEY MANAGEMENT FOR MACHINE TO MACHINE MULTICAST GROUP
- Patent Title (中): 机械加工机组的交通加密关键管理
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Application No.: US14119423Application Date: 2012-02-28
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Publication No.: US20140093082A1Publication Date: 2014-04-03
- Inventor: In Uk Jung , Jin Sam Kwak , Ki Seon Ryu , Wook Bong Lee
- Applicant: LG ELECTRONICS INC.
- Applicant Address: KR Seoul
- Assignee: LG ELECTRONICS INC.
- Current Assignee: LG ELECTRONICS INC.
- Current Assignee Address: KR Seoul
- International Application: PCT/KR2012/001505 WO 20120228
- Main IPC: H04W12/04
- IPC: H04W12/04
Abstract:
A method for updating a group traffic key used for encrypting and decrypting multicast data in a wireless communication system is described. The method includes receiving, from the base station, a first message comprising a new group security seed; and updating the group traffic key based on the new group security seed.
Public/Granted literature
- US09432844B2 Traffic encryption key management for machine to machine multicast group Public/Granted day:2016-08-30
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