On the security of an authentication scheme for multi-server architecture

  • Authors:
  • Debiao He;Jianhua Chen;Wenbo Shi;Muhammad Khurram Khan

  • Affiliations:
  • School of Mathematics and Statistics, Wuhan University, Wuhan, 430072, China/ State Key Laboratory of Information Security, Institute of Information Engineering, Chinese Academy of Sciences, Beiji ...;School of Mathematics and Statistics, Wuhan University, Wuhan, 430072, China;Department of Electronic Engineering, Northeastern University at Qinhuangdao, Qinhuangdao, 066004, China;Center of Excellence in Information Assurance, King Saud University, Riyadh, 11653, Kingdom of Saudi Arabia

  • Venue:
  • International Journal of Electronic Security and Digital Forensics
  • Year:
  • 2013

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Abstract

Recently, Pippal et al. proposed an authentication scheme for multi-server architecture and claimed that their scheme could withstand various attacks. In this paper, we will analyse the security of Pippal et al.'s scheme. After reviewing their scheme, we find that their scheme cannot withstand the server spoofing attack, the user impersonation attack, the offline password guessing attack and the privileged insider attack. The analysis shows their scheme is not secure for practical applications.