Security enhancement for password authentication schemes with smart cards

  • Authors:
  • Eun-Jun Yoon;Woo-Hun Kim;Kee-Young Yoo

  • Affiliations:
  • Department of Computer Engineering, Kyungpook National University, Daegu, Republic of Korea;Department of Information Security, Kyungpook National University, Daegu, Republic of Korea;Department of Computer Engineering, Kyungpook National University, Daegu, Republic of Korea

  • Venue:
  • TrustBus'05 Proceedings of the Second international conference on Trust, Privacy, and Security in Digital Business
  • Year:
  • 2005

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Abstract

Recently, Yang-Wang-Chang proposed an improvement to Yang-Shieh's two password authentication schemes by using smart cards that can withstand a forged login attack. Yang-Wang-Chang's improved schemes, however, are still susceptible such attacks. Accordingly, the current paper demonstrates the vulnerability of Yang-Wang-Chang's schemes to these attacks and presents an improvements to resolve such a problem.