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Security Improvements on the Remote User Authentication Scheme Using Smart Cards

  • Journal of The Korea Society of Computer and Information
  • Abbr : JKSCI
  • 2010, 15(3), pp.91-97
  • Publisher : The Korean Society Of Computer And Information
  • Research Area : Engineering > Computer Science

Seo Jeong-Man 1 Younghwa An 2

1한국재활복지대학
2강남대학교

Accredited

ABSTRACT

Recently Hu-Niu-Yang proposed the user authentication scheme to improve Liu et al's scheme. But the Hu-Niu-Yang's scheme has not been satisfied security requirements considering in the user authentication scheme using the password based smart card. In this paper, we proved that Hu-Niu-Yang's scheme is vulnerable to the off-line password guessing attack in case that the attacker steals the user's smart card and extracts the information in the smart card. Also, the improved user authentication scheme solving the security vulnerability was introduced, thus preventing the attacks, such as password guessing attack, forgery attack impersonation attack, and replay attack. For preventing those attacks, the our proposed scheme need more hash functions and exclusive-OR operations than Hu-Niu-Yang's scheme.

Citation status

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