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Sensors 2014, 14(11), 21023-21044; doi:10.3390/s141121023

A Provably-Secure ECC-Based Authentication Scheme for Wireless Sensor Networks

1
Department of Computer Engineering, Konkuk University, 268 Chungwondaero, Chungju, Chungcheongbukdo 380-701, Korea
2
Information Management Division, Korean Intellectual Property Office, 189 Cheongsaro, Daejeon 302-701, Korea
3
Department of Computer Engineering, Sungkyunkwan University, 2066 Seoburo, Suwon, Gyeonggido 440-746, Korea
4
Department of Cyber Investigation Police, Howon University, 64 3-gil, Gunsan, Jeonrabukdo 573-718, Korea
*
Author to whom correspondence should be addressed.
Received: 1 September 2014 / Revised: 30 October 2014 / Accepted: 31 October 2014 / Published: 6 November 2014
(This article belongs to the Section Sensor Networks)
View Full-Text   |   Download PDF [396 KB, uploaded 6 November 2014]   |  

Abstract

A smart-card-based user authentication scheme for wireless sensor networks (in short, a SUA-WSN scheme) is designed to restrict access to the sensor data only to users who are in possession of both a smart card and the corresponding password. While a significant number of SUA-WSN schemes have been suggested in recent years, their intended security properties lack formal definitions and proofs in a widely-accepted model. One consequence is that SUA-WSN schemes insecure against various attacks have proliferated. In this paper, we devise a security model for the analysis of SUA-WSN schemes by extending the widely-accepted model of Bellare, Pointcheval and Rogaway (2000). Our model provides formal definitions of authenticated key exchange and user anonymity while capturing side-channel attacks, as well as other common attacks. We also propose a new SUA-WSN scheme based on elliptic curve cryptography (ECC), and prove its security properties in our extended model. To the best of our knowledge, our proposed scheme is the first SUA-WSN scheme that provably achieves both authenticated key exchange and user anonymity. Our scheme is also computationally competitive with other ECC-based (non-provably secure) schemes. View Full-Text
Keywords: wireless sensor network; authentication scheme; authenticated key exchange;user anonymity; smart card; two-factor security wireless sensor network; authentication scheme; authenticated key exchange;user anonymity; smart card; two-factor security
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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MDPI and ACS Style

Nam, J.; Kim, M.; Paik, J.; Lee, Y.; Won, D. A Provably-Secure ECC-Based Authentication Scheme for Wireless Sensor Networks. Sensors 2014, 14, 21023-21044.

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