Cryptanalysis of a password authentication scheme over insecure networks

  • Authors:
  • Tao Xiang;Kwok-wo Wong;Xiaofeng Liao

  • Affiliations:
  • College of Computer Science, Chongqing University, Chongqing 400044, China;Department of Electronic Engineering, City University of Hong Kong, Hong Kong;College of Computer Science, Chongqing University, Chongqing 400044, China

  • Venue:
  • Journal of Computer and System Sciences
  • Year:
  • 2008

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Abstract

The security of a password authentication scheme using smart cards proposed by Liao et al. [I.-E. Liao, C.-C. Lee, M.-S. Hwang, A password authentication scheme over insecure networks, J. Comput. System Sci. 72 (2006) 727-740] is analyzed. Three kinds of attacks are presented in different scenarios.