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General Information
    • ISSN: 1793-8244 (Print)
    • Abbreviated Title:  J. Adv. Comput. Netw.
    • Frequency: Semiyearly
    • DOI: 10.18178/JACN
    • Editor-in-Chief: Professor Haklin Kimm
    • Executive Editor: Ms. Cherry Chan
    • Abstracting/ Indexing: EBSCO, ProQuest, and Google Scholar.
    • E-mail: jacn@ejournal.net
    • APC: 500USD
Professor Haklin Kimm
East Stroudsburg University, USA
I'm happy to take on the position of editor in chief of JACN. We encourage authors to submit papers on all aspects of computer networks.

JACN 2013 Vol.1(2): 121-124 ISSN: 1793-8244
DOI: 10.7763/JACN.2013.V1.25

Security Flaws of a Password Authentication Scheme for Hierarchical WSNs

Chun-Ta Li, Chi-Yao Weng, Cheng-Chi Lee, Chin-Wen Lee, Ping-Nan Chiu, and Cheng-Yi Wu

Abstract—With the growing popularity of sensor-based monitoring devices, sensor networks are becoming an essential part of wireless heterogeneous networks and numerous researches have been widely studied in recent years. Recently, Das et al. proposed a dynamic password-based user authentication scheme with dynamic node addition for hierarchical wireless sensor networks (WSNs). They claimed that their scheme achieves better security as compared to those for other existing password-based user authentication approaches. However, we observe that Das et al.'s scheme is vulnerable to smart card breach attack, privileged-insider attack, and many logged-in users' attack and is not easily reparable.

Index Terms—Cryptanalysis, hierarchical wireless sensor networks, password, smart cards, user Authentication.

Chun-Ta Li, Chin-Wen Lee, Ping-Nan Chiu and Cheng-Yi Wu are with the Tainan University of Technology, 529 Zhongzheng Road, Tainan City 71002, Taiwan (R.O.C.) (e-mail: th0040@mail.tut.edu.tw).
Chi-Yao Weng is with the National Sun Yat-sen University, 70 Lienhai Road, Kaohsiung City 80424, Taiwan (R.O.C.) (e-mail: cyweng@mail.cse.nsysu.edu.tw).
Cheng-Chi Lee is with the Fu Jen Catholic University, 510 Jhongjheng Road, New Taipei City 24205, Taiwan (R.O.C.) (Corresponding author‟s e-mail: cclee@mail.fju.edu.tw).


Cite:Chun-Ta Li, Chi-Yao Weng, Cheng-Chi Lee, Chin-Wen Lee, Ping-Nan Chiu, and Cheng-Yi Wu, "Security Flaws of a Password Authentication Scheme for Hierarchical WSNs," Journal of Advances in Computer Networks vol. 1, no. 2, pp. 121-124, 2013.

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