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A semi-symmetric image encryption scheme based on the function projective synchronization of two hyperchaotic systems

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  • Xiaoqiang Di
  • Jinqing Li
  • Hui Qi
  • Ligang Cong
  • Huamin Yang

Abstract

Both symmetric and asymmetric color image encryption have advantages and disadvantages. In order to combine their advantages and try to overcome their disadvantages, chaos synchronization is used to avoid the key transmission for the proposed semi-symmetric image encryption scheme. Our scheme is a hybrid chaotic encryption algorithm, and it consists of a scrambling stage and a diffusion stage. The control law and the update rule of function projective synchronization between the 3-cell quantum cellular neural networks (QCNN) response system and the 6th-order cellular neural network (CNN) drive system are formulated. Since the function projective synchronization is used to synchronize the response system and drive system, Alice and Bob got the key by two different chaotic systems independently and avoid the key transmission by some extra security links, which prevents security key leakage during the transmission. Both numerical simulations and security analyses such as information entropy analysis, differential attack are conducted to verify the feasibility, security, and efficiency of the proposed scheme.

Suggested Citation

  • Xiaoqiang Di & Jinqing Li & Hui Qi & Ligang Cong & Huamin Yang, 2017. "A semi-symmetric image encryption scheme based on the function projective synchronization of two hyperchaotic systems," PLOS ONE, Public Library of Science, vol. 12(9), pages 1-29, September.
    • Handle: RePEc:plo:pone00:0184586
    DOI: 10.1371/journal.pone.0184586
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    Cited by:

    1. Belmar-Monterrubio, Ramiro & Quiroz-Ibarra, J. Emilio & Cervantes-Sodi, Felipe, 2023. "A versatile mathematical function for generating stable and chaotic systems: A data encryption application," Chaos, Solitons & Fractals, Elsevier, vol. 167(C).

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