Security problems with a SC-CNN-based Chaotic Masking Secure Communication System

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This paper studies the security of a chaotic cryptosystem based on the Chua circuit and implemented with State Controlled Cellular Neural Networks. It is shown that the plaintext can be retrieved by ciphertext band-pass filtering after an imperfect decoding with wrong receiver parameters. It is also shown that the key space of the system can be notably reduced easing a brute force attack. The system parameters were determined with high precision through the analysis of the decoding error produced by the mismatch between receiver and transmitter parameters.
16 pages; 9 figures

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Chaotic Dynamics

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http://salesiana.dossiersoluciones.com/handle/123456789/132091

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0706.2979
 http://arxiv.org/abs/0706.2979

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arXiv