Cryptanalysis and improvement on a block cryptosystem based on iteration a chaotic map

@inproceedings{Wang2007CryptanalysisAI,
  title={Cryptanalysis and improvement on a block cryptosystem based on iteration a chaotic map},
  author={Yong Wang and Xiaofeng Liao and Tao Xiang and Kwok-Wo Wong and Degang Yang},
  year={2007}
}
Recently, a novel block encryption system has been proposed as an improved version of the chaotic cryptographic method based on iterating a chaotic map. In this Letter, a flaw of this cryptosystem is pointed out and a chosen plaintext attack is presented. Furthermore, a remedial improvement is suggested, which avoids the flaw while keeping all the merits of the original cryptosystem. © 2006 Elsevier B.V. All rights reserved. 
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