An improvement of remote authentication and key agreement schemes

Cheng Chi Lee*, Chun Ta Li, Kuo You Huang, Shiow Yuan Huang

*Corresponding author for this work

Research output: Contribution to journalJournal Article peer-review

11 Scopus citations

Abstract

Recently, Shieh et al. have pointed out that Juang's password authenticated key agreement scheme and Chien et al.'s remote authentication scheme are vulnerable to some attacks. Therefore, they presented a modified protocol to avoid those attacks. However, the authors of this article shall show that Shieh et al.'s scheme and Juang's scheme have two weaknesses, respectively. Therefore, we shall improve the weaknesses of their schemes.

Original languageEnglish
Pages (from-to)697-707
Number of pages11
JournalJournal of Circuits, Systems and Computers
Volume20
Issue number4
DOIs
StatePublished - 06 2011
Externally publishedYes

Keywords

  • Authenticated key agreement
  • cryptanalysis
  • password guessing attack
  • security

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