Color image encryption method based on new four-dimensional hyperchaos and DNA random coding calculation
A random coding and color image technology, applied in DNA computer, calculation, chaos model, etc., can solve the problems that the encryption method is easy to be broken by plaintext attack, enhance the sensitivity of encryption method to plaintext and key, and increase scrambling
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[0021] In order to further understand the technical solutions of the present invention, the implementation manners of the present invention will be further described below in conjunction with the accompanying drawings.
[0022] The present invention is a color image encryption method based on new 4-dimensional hyperchaos and DNA random coding calculation, the process is as follows figure 1 As shown, the present invention involves four main modules, the first module is the generation of fusion matrix, pseudo-random sequence and pseudo-random matrix; the second module is DNA random encoding, DNA random calculation and scrambling operations related to DNA-level plaintext ; The third module is DNA random decoding and ciphertext image generation.
[0023] 1. Generation of fusion matrix, pseudo-random sequence and pseudo-random matrix
[0024] 1.1 Generation of Fusion Matrix
[0025] Decompose the color image P with a size of M×N×3 into three R channel components, G channel compon...
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