Group key agreement protocol among mobile devices in different cells

Authors:
Jeeyeon Kim;Seungjoo Kim;Kilsoo Chun;Jaeil Lee;Dongho Won
Affiliations:
Korea Information Security Agency, Seoul, Korea;Information Security Group, Sungkyunkwan University, Korea;Korea Information Security Agency, Seoul, Korea;Korea Information Security Agency, Seoul, Korea;Information Security Group, Sungkyunkwan University, Korea
Venue:
ISPA'06 Proceedings of the 2006 international conference on Frontiers of High Performance Computing and Networking
Year:
2006

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Abstract

Mobile communication has become more pervasive and it is considered as one of main concerns of IP telephony, video conferencing, multi-user games and etc. in mobile environments. These applications require secure group communication between a multitude of mobile devices owned by group members. Most of the published group key agreement protocols are based on a model which consists of a stationary base station and a cluster of mobile devices. In this paper, we assume a more realistic scenario in which secret group key is established between several base stations and mobile devices in different cells. We present new group key protocol among mobile devices in different cells and analyze its security.