alexa A Competent two tier Secure Key Management Scheme for Hierarchical Wireless Sensor Networks
ISSN ONLINE(2319-8753)PRINT(2347-6710)

International Journal of Innovative Research in Science, Engineering and Technology
Open Access

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Special Issue Article

A Competent two tier Secure Key Management Scheme for Hierarchical Wireless Sensor Networks

Dr. Umadevi M1, Madhankumar S2, Manivaskam M A3
Assistant Professor, GRT Institute of Engineering and Technology, Tamilnadu, India
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Abstract

Key management in wireless sensor network is a complex task due to its nature of environment. Wireless sensor network comprise of large number of sensor nodes with different hardware abilities and functions. Due to the limited memory resources and energy constraints, complex security algorithms cannot be used in sensor networks. Therefore, an energy efficient key management scheme is necessary to mitigate the security risks. In this paper, we present an competent 2 tier Secure Key Management Scheme for Wireless Sensor Network (ESKMS). The proposed technique distributes the keys within a cluster efficiently and updates the pre-deployed keys to mitigate the node compromise attack. We also provide a detailed security analysis of our ESKMS protocol and show its advantages in avoiding different type of attacks from malicious nodes. Finally, using NS-2 simulator, the results shows that ESKMS is more energy efficient and provides a longer network lifetime compared to the existing key management schemes.

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