Image encryption method based on chaotic sequence and DNA coding
A chaotic sequence and encryption method technology, which is applied in the direction of secure communication through chaotic signals, image communication, user identity/authority verification, etc., can solve the problems of insufficient security performance of the encryption system, poor anti-statistical analysis ability, etc., and achieve good encryption and decryption effects , enhance security and sensitivity, and enhance the effect of plaintext sensitivity
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[0056] 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.
[0057] like figure 1 As shown, an image encryption method based on chaotic sequence and DNA encoding is divided into three parts: first, the pixel position is replaced, the image matrix is converted into a one-dimensional sequence, combined with the chaotic sequence, Knuth-Durstenfeld shuffling is realized; secondly, the The image is replaced at the Bit level, and the 8 bits of the original image are rearranged and converted into binary form to realize cycl...
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