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Appl. Sci. 2017, 7(5), 490; doi:10.3390/app7050490

A Key Management Scheme for Mobile Wireless Sensor Networks

Dipartimento di Automatica e Informatica, Politecnico di Torino, 10129 Torino, Italy
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Academic Editor: Christos Bouras
Received: 29 March 2017 / Revised: 4 May 2017 / Accepted: 5 May 2017 / Published: 10 May 2017
(This article belongs to the Section Computer Science and Electrical Engineering)
View Full-Text   |   Download PDF [992 KB, uploaded 10 May 2017]   |  

Abstract

Symmetric encryption is the most commonly employed security solution in wireless sensor networks (WSNs). In this paper, a new approach that employs public-key cryptography during key establishment is proposed. In a WSN, the main issue for public-key cryptography is represented by communication and computational overheads. In order to reduce these requirements, a new authentication system based on authentication tables is proposed. An analytical study shows that the proposed approach provided optimal protection against an adversary that compromised one or more nodes. A comparative analysis shows that, according to the dimension and the density of the network, the proposed approach can represent the best solution. Furthermore, an experimental analysis conducted on a real network shows that the proposed approach can be successfully applied to devices with limited computational power. View Full-Text
Keywords: public-key cryptography; wireless sensor network; key management; mobile network public-key cryptography; wireless sensor network; key management; mobile network
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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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Gandino, F.; Celozzi, C.; Rebaudengo, M. A Key Management Scheme for Mobile Wireless Sensor Networks. Appl. Sci. 2017, 7, 490.

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