Novel Two Factor User Authentication Scheme over WSNs

Conference paper
Part of the Lecture Notes in Electrical Engineering book series (LNEE, volume 164)


Wireless sensor networks (WSNs) have found their way into a wide variety of applications and systems with vastly varying requirements and characteristics. User authentication in WSNs is a critical security issue due to their unattended and hostile deployment. Recently, Khan and Alghathbar proposed an improved two-factor user authentication (K–A scheme) in WSNs. This paper shows that the K–A scheme is still weak against the user impersonate attack and the password guessing attack and propose a novel two-factor user authentication scheme to fix the susceptibilities to the previous scheme. The proposed scheme could support more security and robustness than the K–A scheme in WSNs.


User authentication Two-factor authentication Wireless sensor network 


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Copyright information

© Springer Science+Business Media Dortdrecht 2012

Authors and Affiliations

  1. 1.School of Computer EngineeringKyungil UniversityKyungsansiKorea
  2. 2.Department of Computer Science and EngineeringEwha UniversitySeoulKorea

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