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Journal Articles International journal of electronic security and digital forensics Year : 2023

Color image encryption based on an improved Fractional-order logistic map

Abstract

In this work, we use an improved fractional-order logistic map to introduce a new colour image encryption algorithm. By analysing the Lyapunov exponent and the bifurcation diagram, the map provides a wider range and a uniform distribution of data compared to its classical. It also has additional parameters and thus a larger key space, which makes it better in protection and safety against hacker attacks. Our algorithm relies on random input of pixels in order to obtain a different image in each encryption round to ensure greater protection. The algorithm also provides great permutation and diffusion features. The simulation results and security analysis indicate that our scheme has a good impact on encryption and can withstand various attacks, such as statistical attack, differential attack and data loss and noise attacks.
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hal-04097221 , version 1 (15-05-2023)

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Selma Boumerdassi, Aissa Belmeguenai, Djamel Herbadji, Ismail Haddad. Color image encryption based on an improved Fractional-order logistic map. International journal of electronic security and digital forensics, 2023, 15 (1), pp.66-87. ⟨10.1504/IJESDF.2023.10045890⟩. ⟨hal-04097221⟩
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