An Efficient Group Key Distribution Mechanism for the Secure Multicast Communication in Mobile Ad Hoc Networks 


Vol. 13,  No. 3, pp. 339-344, Jun.  2006
10.3745/KIPSTC.2006.13.3.339


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  Abstract

Secure delivery of multicast data can be achieved with the use of a group key for data encryption in mobile ad hoc network (MANET) applications based on the group communication. However, for the support of dynamic group membership, the group key has to be updated for each member joining/leaving and, consequently, a mechanism distributing an updated group key to members is required. The two major categories of the group key distribution mechanisms proposed for wired networks are the naive and the tree-based approaches. The naive approach is based on unicast, so it is not appropriate for large group communication environment. On the other hand, the tree-based approach is scalable in terms of the group size, but requires the reliable multicast mechanism for the group key distribution. In the sense that the reliable multicast mechanism requires a large amount of computing resources from mobile nodes, the tree-based approach is not desirable for the small-sized MANET environment. Therefore, in this paper, we propose a new key distribution protocol, called the proxy-based key management protocol (PROMPT), which is based on the naive approach in the small-sized MANET environment. PROMPT reduces the message overhead of the naive through the first-hop grouping from a source node and the last-hop grouping from proxy nodes using the characteristics of a wireless channel.

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[IEEE Style]

Y. J. Lim and S. H. Ahn, "An Efficient Group Key Distribution Mechanism for the Secure Multicast Communication in Mobile Ad Hoc Networks," The KIPS Transactions:PartC, vol. 13, no. 3, pp. 339-344, 2006. DOI: 10.3745/KIPSTC.2006.13.3.339.

[ACM Style]

Yu Jin Lim and Sang Hyun Ahn. 2006. An Efficient Group Key Distribution Mechanism for the Secure Multicast Communication in Mobile Ad Hoc Networks. The KIPS Transactions:PartC, 13, 3, (2006), 339-344. DOI: 10.3745/KIPSTC.2006.13.3.339.

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