Image encryption method based on DNA sub-sequence operation
A DNA sequence and encryption method technology, applied in the fields of digital image encryption and DNA computing, can solve the problems of expensive experimental equipment, high experimental sensitivity, and difficult to control biological experimental environment.
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[0092] The present invention will be described in detail below in conjunction with the accompanying drawings.
[0093] The image encryption method proposed by the present invention mainly includes three parts: first, generate four groups of DNA sequences S 1 , S 2 , S 3 , S 4 , and divide it into several DNA subsequences; then, through the interaction of Logistic mapping and DNA subsequence operations to scramble the image pixel values and pixel positions; finally, the encrypted image is obtained by performing DNA decoding and bit-plane recombination. The decryption process is the reverse of the encryption process.
[0094] The flow chart of the algorithm is attached figure 1 ,in figure 1 (a) shows a flowchart of the encryption process, figure 1 (b) is a flowchart of the decryption process. The detailed execution process of the encryption and decryption method is as follows:
[0095] Image encryption method based on DNA subsequence operation:
[0096] Input: an 8...
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