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Sensors 2011, 11(5), 5020-5046; doi:10.3390/s110505020

RUASN: A Robust User Authentication Framework for Wireless Sensor Networks

1
Department of Ubiquitous-IT, Graduate School of Design & IT, Dongseo University, Sasang-Gu, Busan 617-716, Korea
2
Division of Computer & Information Eng, Dongseo University. San 69-1, Jurye-2-Dong, Sasang-Gu, Busan 617-716, Korea
*
Author to whom correspondence should be addressed.
Received: 25 February 2011 / Revised: 17 April 2011 / Accepted: 20 April 2011 / Published: 4 May 2011
(This article belongs to the Section Physical Sensors)
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Abstract

In recent years, wireless sensor networks (WSNs) have been considered as a potential solution for real-time monitoring applications and these WSNs have potential practical impact on next generation technology too. However, WSNs could become a threat if suitable security is not considered before the deployment and if there are any loopholes in their security, which might open the door for an attacker and hence, endanger the application. User authentication is one of the most important security services to protect WSN data access from unauthorized users; it should provide both mutual authentication and session key establishment services. This paper proposes a robust user authentication framework for wireless sensor networks, based on a two-factor (password and smart card) concept. This scheme facilitates many services to the users such as user anonymity, mutual authentication, secure session key establishment and it allows users to choose/update their password regularly, whenever needed. Furthermore, we have provided the formal verification using Rubin logic and compare RUASN with many existing schemes. As a result, we found that the proposed scheme possesses many advantages against popular attacks, and achieves better efficiency at low computation cost.
Keywords: wireless sensor network security; user authentication; user anonymity; session key establishment; confidentiality wireless sensor network security; user authentication; user anonymity; session key establishment; confidentiality
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This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Kumar, P.; Choudhury, A.J.; Sain, M.; Lee, S.-G.; Lee, H.-J. RUASN: A Robust User Authentication Framework for Wireless Sensor Networks. Sensors 2011, 11, 5020-5046.

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