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Open AccessArticle

Secure and Efficient Three-Factor Protocol for Wireless Sensor Networks

1
Department of Platform Software, Sungkyunkwan University, Gyeonggi-do 16419, Korea
2
Department of Electrical and Computer Engineering, Sungkyunkwan University, Gyeonggi-do 16419, Korea
3
Department of Computer Engineering, Sungkyunkwan University, Gyeonggi-do 16419, Korea
*
Author to whom correspondence should be addressed.
Sensors 2018, 18(12), 4481; https://doi.org/10.3390/s18124481
Received: 8 November 2018 / Revised: 12 December 2018 / Accepted: 14 December 2018 / Published: 18 December 2018
(This article belongs to the Section Sensor Networks)
Wireless sensor networks are widely used in many applications such as environmental monitoring, health care, smart grid and surveillance. Many security protocols have been proposed and intensively studied due to the inherent nature of wireless networks. In particular, Wu et al. proposed a promising authentication scheme which is sufficiently robust against various attacks. However, according to our analysis, Wu et al.’s scheme has two serious security weaknesses against malicious outsiders. First, their scheme can lead to user impersonation attacks. Second, user anonymity is not preserved in their scheme. In this paper, we present these vulnerabilities of Wu et al.’s scheme in detail. We also propose a new scheme to complement their weaknesses. We improve and speed up the vulnerability of the Wu et al. scheme. Security analysis is analyzed by Proverif and informal analysis is performed for various attacks. View Full-Text
Keywords: wireless sensor networks; user authentication; biometric; smart card wireless sensor networks; user authentication; biometric; smart card
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Ryu, J.; Lee, H.; Kim, H.; Won, D. Secure and Efficient Three-Factor Protocol for Wireless Sensor Networks. Sensors 2018, 18, 4481.

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