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Open AccessArticle

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.
Sensors 2014, 14(11), 21023-21044; https://doi.org/10.3390/s141121023
Received: 1 September 2014 / Revised: 30 October 2014 / Accepted: 31 October 2014 / Published: 6 November 2014
(This article belongs to the Section Sensor Networks)
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
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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