N. Renugadevi

Work place: Department of CSE, National Institute of Technology, Tiruchirapalli, Tamilnadu - 620015, India

E-mail: 406112002@nitt.edu


Research Interests: Computer Networks


Ms. N. Renugadevi is currently doing Ph.D. in full time at National Institute of Technology, Tiruchirapalli, Tamilnadu, India. Her current research interests include secure group communication and routing in Cognitive radio mobile ad hoc networks. She is a life member of Indian Society for Technical Education (ISTE).

Author Articles
Ternary Tree Based Group Key Agreement for Cognitive Radio MANETs

By N. Renugadevi C. Mala

DOI: https://doi.org/10.5815/ijcnis.2014.10.03, Pub. Date: 8 Sep. 2014

This paper presents an efficient contributory group key agreement protocol for secure communication between the lightweight small devices in cognitive radio mobile ad hoc networks. A Ternary tree based Group ECDH.2 (TGECDH.2) protocol that uses a batch rekeying algorithm during membership change is proposed in this paper. This ternary tree is a balanced key tree in which appropriate insertion point is selected for the joining members during rekeying operation. TGECDH.2 combines the computational efficiency of ECDH protocol and the communication efficiency of GDH.2 protocol. From the performance analysis, it is inferred that the TGECDH.2 outperforms an existing ternary tree based protocol. Hence, it is best suited for the resource constrained mobile devices such as notebooks, laptops, sensors, etc. in cognitive radio mobile ad hoc networks.

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