Cryptanalysis of an image encryption scheme based on a compound chaotic sequence

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Li0IVC2009a.pdf
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2009
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Li, Chengqing
Chen, Guanrong
Halang, Wolfgang A.
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Image and Vision Computing. 2009, 27(8), pp. 1035-1039. Available under: doi: 10.1016/j.imavis.2008.09.004
Zusammenfassung

Recently, an image encryption scheme based on a compound chaotic sequence was proposed. In this paper, the security of the scheme is studied and the following problems are found: (1) a differential chosen-plaintext attack can break the scheme with only three chosen plain-images; (2) there is a number of weak keys and some equivalent keys for encryption; (3) the scheme is not sensitive to the changes of plain-images; and (4) the compound chaotic sequence does not work as a good random number source.

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004 Informatik
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Cryptanalysis, Image encryption, Chaos, Differential chosen-plaintext attack, Randomness test
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ISO 690LI, Chengqing, Shujun LI, Guanrong CHEN, Wolfgang A. HALANG, 2009. Cryptanalysis of an image encryption scheme based on a compound chaotic sequence. In: Image and Vision Computing. 2009, 27(8), pp. 1035-1039. Available under: doi: 10.1016/j.imavis.2008.09.004
BibTex
@article{Li2009Crypt-6233,
  year={2009},
  doi={10.1016/j.imavis.2008.09.004},
  title={Cryptanalysis of an image encryption scheme based on a compound chaotic sequence},
  number={8},
  volume={27},
  journal={Image and Vision Computing},
  pages={1035--1039},
  author={Li, Chengqing and Li, Shujun and Chen, Guanrong and Halang, Wolfgang A.}
}
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