Cryptanalysis of security enhancement for a modified authenticated key agreement protocol

Kou Min Cheng, Ting-Yi  Chang, Jung Wen Lo

Research output: Contribution to journalLetter

17 Citations (Scopus)

Abstract

Recently, Chang et al. proposed a security enhancement in Ku and Wang's authenticated key agreement protocol. Two parties employ the pre-shared password to agreement a common session key via insecure network. However, in this article, we will show that Chang et al.'s scheme is suffer from the backward replay attack and the off-line password guessing attack.

Original languageEnglish
Pages (from-to)55-57
Number of pages3
JournalInternational Journal of Network Security
Volume11
Issue number1
Publication statusPublished - 2010 Dec 1

All Science Journal Classification (ASJC) codes

  • Computer Networks and Communications

Cite this

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abstract = "Recently, Chang et al. proposed a security enhancement in Ku and Wang's authenticated key agreement protocol. Two parties employ the pre-shared password to agreement a common session key via insecure network. However, in this article, we will show that Chang et al.'s scheme is suffer from the backward replay attack and the off-line password guessing attack.",
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Cryptanalysis of security enhancement for a modified authenticated key agreement protocol. / Cheng, Kou Min; Chang, Ting-Yi ; Lo, Jung Wen.

In: International Journal of Network Security, Vol. 11, No. 1, 01.12.2010, p. 55-57.

Research output: Contribution to journalLetter

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