A hash-based strong-password authentication scheme without using smart cards

  • Authors:
  • Wei-Chi Ku

  • Affiliations:
  • Fu Jen Catholic University

  • Venue:
  • ACM SIGOPS Operating Systems Review
  • Year:
  • 2004

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Abstract

So far, many strong-password authentication schemes have been proposed, however, none is secure enough. In 2003, Lin, Shen, and Hwang proposed a strong-password authentication scheme using smart cards, and claimed that their scheme can resist the guessing attack, the replay attack, the impersonation attack, and the stolen-verifier attack. Later, Ku, Tsai, and Chen showed that Lin-Shen-Hwang's scheme suffers from a replay attack and a denial-of-service attack. Herein, we propose a more secure hash-based strong-password authentication scheme without using smart cards.