Research note: Remote password authentication scheme based on cross-product

  • Authors:
  • K. Tan;H. Zhu

  • Affiliations:
  • Department of Electronic Engineering Shanghai Jiaotong University, Shanghai, 200030 People's Republic of China;Department of Electronic Engineering Shanghai Jiaotong University, Shanghai, 200030 People's Republic of China

  • Venue:
  • Computer Communications
  • Year:
  • 1999

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Abstract

A remote password authentication scheme based on cross-product is proposed in this paper. In this scheme, any legal user can freely choose his own password in the card initialization phase. Using his password and smart card, he can then log into the system successfully. According to the analysis, intruders can not obtain any secret information from the public information or transmitted messages and impersonate another legal user. In addition, this scheme can withstand the attack of replaying previously intercepted log-in requests. The amount of computation in this scheme is smaller than that in Chang and Hwang's scheme [Using smart cards to authenticate remote passwords, Comp. Math. Applic. 26(7) (1993) 19-27].