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Sensors 2016, 16(10), 1653; doi:10.3390/s16101653

An Enhanced Lightweight Anonymous Authentication Scheme for a Scalable Localization Roaming Service in Wireless Sensor Networks

Electronics and Telecommunications Research Institute, Daejeon 34044, Korea
Department of Computer Engineering, Sungkyunkwan University, Suwon 16419, Korea
Department of Cyber Security, Howon University, Gunsan 54058, Korea
Department of Computer Education, Jeju National University, Jeju 63243, Korea
Author to whom correspondence should be addressed.
Received: 27 July 2016 / Accepted: 1 October 2016 / Published: 7 October 2016
(This article belongs to the Special Issue Scalable Localization in Wireless Sensor Networks)
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More security concerns and complicated requirements arise in wireless sensor networks than in wired networks, due to the vulnerability caused by their openness. To address this vulnerability, anonymous authentication is an essential security mechanism for preserving privacy and providing security. Over recent years, various anonymous authentication schemes have been proposed. Most of them reveal both strengths and weaknesses in terms of security and efficiency. Recently, Farash et al. proposed a lightweight anonymous authentication scheme in ubiquitous networks, which remedies the security faults of previous schemes. However, their scheme still suffers from certain weaknesses. In this paper, we prove that Farash et al.’s scheme fails to provide anonymity, authentication, or password replacement. In addition, we propose an enhanced scheme that provides efficiency, as well as anonymity and security. Considering the limited capability of sensor nodes, we utilize only low-cost functions, such as one-way hash functions and bit-wise exclusive-OR operations. The security and lightness of the proposed scheme mean that it can be applied to roaming service in localized domains of wireless sensor networks, to provide anonymous authentication of sensor nodes. View Full-Text
Keywords: anonymity; privacy; authentication; security; roaming service; wireless sensor network anonymity; privacy; authentication; security; roaming service; wireless sensor network

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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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Chung, Y.; Choi, S.; Lee, Y.; Park, N.; Won, D. An Enhanced Lightweight Anonymous Authentication Scheme for a Scalable Localization Roaming Service in Wireless Sensor Networks. Sensors 2016, 16, 1653.

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