A Secure Multicast Framework in Large and High-Mobility Network Groups

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题名:	A Secure Multicast Framework in Large and High-Mobility Network Groups
作者:	Lee, J.S.;Chang, C.C.
关键词:	multicast communication;scalability;forward secrecy;backward secrecy;high-mobility
日期:	2009-07
上传时间:	2009-12-17 06:57:21 (UTC+0)
出版者:	Asia University
摘要:	With the widespread use of Internet applications such as Teleconference, Pay-TV, Collaborate tasks, and Message services, how to construct and distribute the group session key to all group members securely is becoming and more important. Instead of adopting the point-to-point packet delivery, these emerging applications are based upon the mechanism of multicast communication, which allows the group member to communicate with multi-party efficiently. There are two main issues in the mechanism of multicast communication: Key Distribution and Scalability. The first issue is how to distribute the group session key to all group members securely. The second one is how to maintain the high performance in large network groups. Group members in conventional multicast systems have to keep numerous secret keys in databases, which makes it very inconvenient for them. Furthermore, in case that a member joins or leaves the communication group, many involved participants have to change their own secret keys to preserve the forward secrecy and the backward secrecy. We consequently propose a novel version for providing secure multicast communication in large network groups. Our proposed framework not only preserves the forward secrecy and the backward secrecy but also possesses better performance than existing alternatives. Specifically, simulation results demonstrate that our scheme is suitable for high-mobility environments.
關聯:	IEICE Transactions on Communications E92-B(7):2365-2373
显示于类别:	[資訊工程學系] 期刊論文

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