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Sensors 2016, 16(2), 170; doi:10.3390/s16020170

Key Management Scheme Based on Route Planning of Mobile Sink in Wireless Sensor Networks

College of Information Engineering, Shanghai Maritime University, Shanghai 201306, China
Department of Computer Science, Tennessee State University, Nashville, TN 37209, USA
Author to whom correspondence should be addressed.
Academic Editor: Rongxing Lu
Received: 7 December 2015 / Revised: 25 January 2016 / Accepted: 25 January 2016 / Published: 29 January 2016
(This article belongs to the Special Issue Security and Privacy in Sensor Networks)
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In many wireless sensor network application scenarios the key management scheme with a Mobile Sink (MS) should be fully investigated. This paper proposes a key management scheme based on dynamic clustering and optimal-routing choice of MS. The concept of Traveling Salesman Problem with Neighbor areas (TSPN) in dynamic clustering for data exchange is proposed, and the selection probability is used in MS route planning. The proposed scheme extends static key management to dynamic key management by considering the dynamic clustering and mobility of MSs, which can effectively balance the total energy consumption during the activities. Considering the different resources available to the member nodes and sink node, the session key between cluster head and MS is established by modified an ECC encryption with Diffie-Hellman key exchange (ECDH) algorithm and the session key between member node and cluster head is built with a binary symmetric polynomial. By analyzing the security of data storage, data transfer and the mechanism of dynamic key management, the proposed scheme has more advantages to help improve the resilience of the key management system of the network on the premise of satisfying higher connectivity and storage efficiency. View Full-Text
Keywords: wireless sensor networks; key management; mobile sink; route planning; elliptic curve cryptography wireless sensor networks; key management; mobile sink; route planning; elliptic curve cryptography

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Zhang, Y.; Liang, J.; Zheng, B.; Jiang, S.; Chen, W. Key Management Scheme Based on Route Planning of Mobile Sink in Wireless Sensor Networks. Sensors 2016, 16, 170.

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