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Article

Evaluating Dynamic Approaches to Key (Re-)Establishment in Wireless Sensor Networks

1
Centre for Research on Cryptography and Security, Faculty of Informatics, Masaryk University, Brno 60200, Czech Republic
2
Institut National des Sciences Appliquées Centre Val de Loire, 18000 Bourges, France
*
Author to whom correspondence should be addressed.
Sensors 2019, 19(4), 914; https://doi.org/10.3390/s19040914
Received: 10 December 2018 / Revised: 4 February 2019 / Accepted: 8 February 2019 / Published: 21 February 2019
(This article belongs to the Section Sensor Networks)
Wireless sensor networks with a large number of cheap low-power interconnected devices bring up challenging tasks when considering the security of their communications. In our previous work, we presented two approaches for the design of dynamic protocols for link key (re-)establishment in ad hoc networks, using two elements studied earlier—secrecy amplification and key extraction from radio channel fading. The goal of this article is to provide a unified approach to the design of these protocols, together with their experimental verification, in a real network with various settings. The overall results of our experiments show that our dynamic combination of secrecy amplification and key extraction from radio channel fading saves a significant portion of messages with corresponding energy expenditure and can adapt to a much wider scale of environments when compared to previous solutions based on the exploitation of the individual elements of secrecy amplification and key extraction from radio channel fading. View Full-Text
Keywords: adaptive; autonomous; cryptography; distributed; protocol; security; wireless radio communication adaptive; autonomous; cryptography; distributed; protocol; security; wireless radio communication
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MDPI and ACS Style

Nemec, L.; Matyas, V.; Ostadal, R.; Svenda, P.; Palant, P.-L. Evaluating Dynamic Approaches to Key (Re-)Establishment in Wireless Sensor Networks. Sensors 2019, 19, 914. https://doi.org/10.3390/s19040914

AMA Style

Nemec L, Matyas V, Ostadal R, Svenda P, Palant P-L. Evaluating Dynamic Approaches to Key (Re-)Establishment in Wireless Sensor Networks. Sensors. 2019; 19(4):914. https://doi.org/10.3390/s19040914

Chicago/Turabian Style

Nemec, Lukas, Vashek Matyas, Radim Ostadal, Petr Svenda, and Pierre-Louis Palant. 2019. "Evaluating Dynamic Approaches to Key (Re-)Establishment in Wireless Sensor Networks" Sensors 19, no. 4: 914. https://doi.org/10.3390/s19040914

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