Cryptanalysis of security enhancement for a modified authenticated key agreement protocol

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

Cryptanalysis of security enhancement for a modified authenticated key agreement protocol

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

Department of Industrial Education and Technology

Research output: Contribution to journal › Letter › peer-review

18 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 language	English
Pages (from-to)	55-57
Number of pages	3
Journal	International Journal of Network Security
Volume	11
Issue number	1
Publication status	Published - 2010 Dec 1

All Science Journal Classification (ASJC) codes

Computer Networks and Communications

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Cite this

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title = "Cryptanalysis of security enhancement for a modified authenticated key agreement protocol",

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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AB - 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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