Evaluation of Chaotic Map Lattice systems for image encryption

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Abstract
In this paper, the performance of Chaotic Map Lattice (CML) systems used for the purpose of digital image encryption is evaluated. The design and security flaws of CML and its variants are analyzed and overcome by the proposed modified CML-M cryptosystem. The proposed algorithm achieves semantic security due to probabilistic encryption and makes use of pixel diffusion to enhance the strength of security. We evaluate the CML variants and proposed algorithm using various randomness tests and the ability to resist cryptanalytic attacks. Evaluation results demonstrate that the proposed algorithm achieves better security and removes the flaws of previous CML cryptosystems.

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