%0 Journal Article %T Color image encryption based on an improved Fractional-order logistic map %+ CEDRIC. Réseaux et Objets Connectés (CEDRIC - ROC) %+ Laboratoire de recherche en électronique %A Boumerdassi, Selma %A Belmeguenai, Aissa %A Herbadji, Djamel %A Haddad, Ismail %< avec comité de lecture %@ 1751-911X %J International journal of electronic security and digital forensics %I Inderscience Publishers %V 15 %N 1 %P 66–87 %8 2023 %D 2023 %R 10.1504/IJESDF.2023.10045890 %K fractional-order %K logistic map %K image encryption %K security analysis %Z Computer Science [cs] %Z Computer Science [cs]/Signal and Image Processing %Z Engineering Sciences [physics]/ElectronicsJournal articles %X 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. %G English %L hal-04097221 %U https://cnam.hal.science/hal-04097221 %~ CNAM %~ CEDRIC-CNAM %~ SPRES %~ HESAM-CNAM %~ HESAM