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2004
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Cryptanalysis of a Chaotic Neural Network Based Multimedia Encryption Scheme

12 years 1 months ago
Cryptanalysis of a Chaotic Neural Network Based Multimedia Encryption Scheme
Recently, Yen and Guo proposed a chaotic neural network (CNN) for signal encryption, which was suggested as a solution for protection of digital images and videos. The present paper evaluates the security of this CNN-based encryption scheme, and points out that it is not secure from the cryptographical point of view: 1) it can be easily broken by known/chosen-plaintext attacks; 2) its security against the brute-force attack was much over-estimated. Some experiments are shown to support the results given in this paper. It is also discussed how to improve the encryption scheme.
Chengqing Li, Shujun Li, Dan Zhang, Guanrong Chen
Added 02 Jul 2010
Updated 02 Jul 2010
Type Conference
Year 2004
Where PCM
Authors Chengqing Li, Shujun Li, Dan Zhang, Guanrong Chen
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