https://doi.org/10.1140/epjp/s13360-024-05286-w
Regular Article
Multi-attractor chaotic system based on optical control signals and its application
1
School of Information Science and Technology, University of Science and Technology of China, 230000, Hefei, China
2
Institute of Advanced Technology, University of Science and Technology of China, 230000, Hefei, China
3
School of Electrical Information and Engineering, Zhengzhou University of Light Industry, 450002, Zhengzhou, China
Received:
30
March
2024
Accepted:
16
May
2024
Published online:
7
August
2024
Chaotic systems have been widely used in the field of cryptography due to their randomness and unpredictability. However, the traditional method of constructing chaotic systems has the problem of chaotic degradation, and the security of low-dimensional systems is inferior, and the difficulty of constructing high-dimensional systems is too high. In this paper, a method of constructing a multi-attractor chaotic system based on the control of the reaction rate of DNA strand displacement (DSD) process by optical signals is proposed. The non-autonomous optical signal is used as a rate activation control, and depending on the type of control signal, mirror, embedded, symmetric and hybrid forms of multiple attractors can be obtained without changing the chaotic properties of the system. The safety of the low dimensional chaotic system can be improved. The feasibility and accuracy of this method has been verified in Visual DSD. In addition, the random sequence generated by the multi-attractor chaotic system constructed by using this method can be applied to colour image encryption.
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© The Author(s), under exclusive licence to Società Italiana di Fisica and Springer-Verlag GmbH Germany, part of Springer Nature 2024. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.
