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Comments on “An improved secure and efficient password and chaos-based two-party key agreement protocol”

  • Chien Ming Chen
  • , Weicheng Fang
  • , King Hang Wang
  • , Tsu Yang Wu*
  • *Corresponding author for this work

Research output: Contribution to journalJournal articlepeer-review

34 Citations (Scopus)

Abstract

Recently, Liu and Xue proposed a secure two-party password-based authenticated key exchange protocol by utilizing the semi-group property of the Chebyshev chaotic maps. We exploit the vulnerability of the protocol in this paper by illustrating an off-line password guessing attack. In this attack, the password of a honest user will be recover by an attacker without being noticed by the server or the victim. To overcome such problem, we propose a simple and compatible fix.

Original languageEnglish
Pages (from-to)2073-2075
Number of pages3
JournalNonlinear Dynamics
Volume87
Issue number3
Early online date2 Nov 2016
DOIs
Publication statusPublished - Feb 2017

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 9 - Industry, Innovation, and Infrastructure
    SDG 9 Industry, Innovation, and Infrastructure

User-Defined Keywords

  • Authenticated key exchange
  • Chaotic maps
  • Cryptanalysis
  • Cryptography

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