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Cryptanalysis of a cryptosystem using multiple one-dimensional chaotic maps

✍ Scribed by Jun Wei; Xiaofeng Liao; Kwok-wo Wong; Tsing Zhou

Publisher: Elsevier Science
Year: 2007
Tongue: English
Weight: 139 KB
Volume: 12
Category: Article
ISSN: 1007-5704
DOI: 10.1016/j.cnsns.2005.06.001

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✦ Synopsis

Recently, a new chaotic cryptosystem using external 128-bit key and multiple chaotic maps has been proposed. In this paper, a fundamental flaw of this cryptosystem is pointed out and a known plaintext attack is presented. Furthermore, a remedial modification is suggested, which avoids the flaw while keeping all the merits of the original cryptosystem.

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