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On the security of a spatiotemporal chaotic cryptosystem

✍ Scribed by Rhouma, Rhouma; Safya, Belghith


Book ID
111678569
Publisher
American Institute of Physics
Year
2007
Tongue
English
Weight
711 KB
Volume
17
Category
Article
ISSN
1054-1500

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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