Image Confusion and Diffusion Based on Multi-Chaotic system and Mix-Column

Amal Abdulbaqi Maryoosh, Zahraa Salah Dhaif, Raniah Ali Mustafa


In the present paper, an image encryption scheme is proposed based upon multi-stage confusion and diffusion by the use of Arnold cat map, Lorenz system, image permutation method and Mix-column. Diffusion process was implemented twice, first, by permuting the plain image based on Arnold cat map and, the second time by permuting the plain image via the proposed permutation algorithm. Confusion process has been performed many time, by performing the XOR operation between the two resulting permuted image, by implementing the Mix-column on the resulting image and using Lorenz key to obtain the encrypted image. The experimental results have shown that the suggested algorithm has been resistant against different types of the attacks.


Image encryption; Image permutation; Arnold cat map (ACM); Mix-column; Lorenz system


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