Comparative Analysis of the Effects of Chaotic Systems on the Robustness of Image Encryption


The Scientific and Technological Research Council of Turkey (TUBITAK), Ankara, Turkey

ELECTRICA 2021; 21: 209-215
DOI: 10.5152/electrica.2021.21027
Read: 161 Downloads: 20 Published: 21 May 2021

In this study, we carried out a comparative analysis to examine the effects of various chaotic systems on the robustness of image encryption. To do that, a chaotic-system-based encryption scheme was used. Different kinds of chaotic systems such as sine map, logistic map, and tent map have been used to understand the effects of chaotic systems on encryption. In the encryption scheme, confusion and diffusion processes have been performed. Row- and column-based scrambling algorithms have been used for confusion, whereas simplified modulo-operation-based algorithm has been used for diffusion. In the analysis part, the correlation of two neighboring pixels and entropy are calculated to understand the effects of three different chaotic maps. Furthermore, numerous tests such as parameter value sensitivity, initial condition sensitivity, robustness against noise, robustness against data loss, and chi-squared test have been done to evaluate the performances of chaotic systems. All analyses in this study have been carried out in MATLAB environment.

Cite this article as: M. Yıldırım, “Comparative Analysis of the Effects of Chaotic Systems on the Robustness of Image Encryption”, Electrica, vol. 21, no. 2, pp. 209-215, May, 2021.

EISSN 2619-9831