Host mobility key management in dynamic secure group communication

Daghighi, Babak and Mat Kiah, Miss Laiha and Iqbal, Salman and Rehman, Muhammad Habib Ur and Martin, Keith (2018) Host mobility key management in dynamic secure group communication. Wireless Networks, 24 (8). pp. 3009-3027. ISSN 1022-0038

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Official URL: https://doi.org/10.1007/s11276-017-1511-4

Abstract

The key management has a fundamental role in securing group communications taking place over vast and unprotected networks. It is concerned with the distribution and update of the keying materials whenever any changes occur in the group membership. Wireless mobile environments enable members to move freely within the networks, which causes more difficulty to design efficient and scalable key management protocols. This is partly because both member location dynamic and group membership dynamic must be managed concurrently, which may lead to significant rekeying overhead. This paper presents a hierarchical group key management scheme taking the mobility of members into consideration intended for wireless mobile environments. The proposed scheme supports the mobility of members across wireless mobile environments while remaining in the group session with minimum rekeying transmission overhead. Furthermore, the proposed scheme alleviates 1-affect-n phenomenon, single point of failure, and signaling load caused by moving members at the core network. Simulation results shows that the scheme surpasses other existing efforts in terms of communication overhead and affected members. The security requirements studies also show the backward and forward secrecy is preserved in the proposed scheme even though the members move between areas.

Item Type: Article
Uncontrolled Keywords: Group communication; Group key management; Host mobility; Secure group communication
Subjects: Q Science > QA Mathematics > QA75 Electronic computers. Computer science
Divisions: Faculty of Computer Science & Information Technology
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 03 Sep 2019 05:25
Last Modified: 03 Sep 2019 05:25
URI: http://eprints.um.edu.my/id/eprint/22177

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