Cryptanalysis of a remote user authentication scheme using smart cards

  • Authors:
  • Chi-Kwong Chan;L. M. Cheng

  • Affiliations:
  • Dept. of Electron. Eng., City Univ. of Hong Kong;-

  • Venue:
  • IEEE Transactions on Consumer Electronics
  • Year:
  • 2000

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Abstract

We present a cryptanalysis of a remote user authentication scheme proposed by Hwang and Li (see ibid., vol.46, no.1, p.28-31, 2000). We show that Hwang-Li's scheme is breakable. A legitimate user can impersonate other legal users and pass the system authentication