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2019 Volume 27 Issue 4
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Xing-Yuan Wang, Jun-Jian Zhang, Fu-Chen Zhang, Guang-Hui Cao. 2019: New chaotical image encryption algorithm based on Fisher-Yatess scrambling and DNA coding, Chinese Physics B, 28(4): 121-130. doi: 10.1088/1674-1056/28/4/040504
Citation: Xing-Yuan Wang, Jun-Jian Zhang, Fu-Chen Zhang, Guang-Hui Cao. 2019: New chaotical image encryption algorithm based on Fisher-Yatess scrambling and DNA coding, Chinese Physics B, 28(4): 121-130. doi: 10.1088/1674-1056/28/4/040504
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New chaotical image encryption algorithm based on Fisher-Yatess scrambling and DNA coding

  • School of Information Science and Technology, Dalian Maritime University, Dalian 116026, China;Faculty of Electronic Information and Electrical Engineering, Dalian University of Technology, Dalian 116024, China

  • Faculty of Electronic Information and Electrical Engineering, Dalian University of Technology, Dalian 116024, China

  • College of Mathematics and Statistics, Chongqing Technology and Business University, Chongqing 400067, China

  • School of Electronics & Information Engineering, Liaoning University of Technology, Jinzhou 121001 China

  • Fund Project: the National Natural Science Foundation of China(Grant .61173183,61672124,61370145,and 11501064)%the Password Theory Project of the 13th Five-Year Plan National Cryptography Development Fund,China(Grant MMJJ20170203)%the China Postdoctoral Science Foundation(Grant 2016M590850)%the Scientific and Technological Research Program of Chongqing Municipal Education Commission,China(Grant KJ1500605)
  • Based on the Fisher-Yatess scrambling and DNA coding technology,a chaotical image encryption method is proposed.First,the SHA-3 algorithm is used to calculate the hash value of the initial password,which is used as the initial value of the chaotic system.Second,the chaotic sequence and Fisher-Yatess scrambling are used to scramble the plaintext,and a sorting scrambling algorithm is used for secondary scrambling.Then,the chaotic sequence and DNA coding rules are used to change the plaintext pixel values,which makes the ciphertext more random and resistant to attacks,and thus ensures that the encrypted ciphertext is more secure.Finally,we add plaintext statistics for pixel-level diffusion to ensure plaintext sensitivity.The experimental results and security analysis show that the new algorithm has a good encryption effect and speed,and can also resist common attacks.
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New chaotical image encryption algorithm based on Fisher-Yatess scrambling and DNA coding

Abstract: Based on the Fisher-Yatess scrambling and DNA coding technology,a chaotical image encryption method is proposed.First,the SHA-3 algorithm is used to calculate the hash value of the initial password,which is used as the initial value of the chaotic system.Second,the chaotic sequence and Fisher-Yatess scrambling are used to scramble the plaintext,and a sorting scrambling algorithm is used for secondary scrambling.Then,the chaotic sequence and DNA coding rules are used to change the plaintext pixel values,which makes the ciphertext more random and resistant to attacks,and thus ensures that the encrypted ciphertext is more secure.Finally,we add plaintext statistics for pixel-level diffusion to ensure plaintext sensitivity.The experimental results and security analysis show that the new algorithm has a good encryption effect and speed,and can also resist common attacks.

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