Cryptanalysis of a novel image encryption scheme based on improved hyperchaotic sequences |
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Authors: | Fatih Ö zkaynak,Ahmet Bedri Ö zer |
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Affiliation: | a Firat University, Department of Software Engineering, 23119 Elazig, Turkey b Firat University, Department of Computer Engineering, 23119 Elazig, Turkey c Y?ld?z Technical University, Department of Computer Engineering, 34349 Istanbul, Turkey |
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Abstract: | Chaotic cryptography is a new field that has seen a significant amount of research activity during the last 20 years. Despite the many proposals that use various methods in the design of encryption algorithms, there is a definite need for a mathematically rigorous cryptanalysis of these designs. In this study, we analyze the security weaknesses of the “C. Zhu, A novel image encryption scheme based on improved hyperchaotic sequences, Optics Communications 285 (2012) 29-37”. By applying chosen plaintext attacks, we show that all the secret parameters can be revealed. |
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Keywords: | Chaos based cryptography Cryptanalysis Chosen-plaintext attack |
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