Image encryption method based on multidimensional chaotic system and Josephf scrambling
A technology of multi-dimensional chaos and encryption method, which is applied in image data processing, image data processing, instruments, etc., and can solve the problems of complex management and slow operation speed.
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[0055] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0056] like figure 1 As shown, an image encryption method based on multidimensional chaotic system and Joseph scrambling, the steps are as follows:
[0057] Step 1: Chaotic initialization of PWLCM mapping and 2D-LSCM mapping: Generate the control parameters of PWLCM mapping and 2D-LSCM mapping according to the original graph P and timestamp, and generate the initial values of PWLCM mapping and 2D-LSCM mapping through hash algorithm, and set The initial value ...
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