A new color image encryption scheme based on DNA encoding and spatiotemporal chaotic system
作者：
Highlights：
• To hide the distribution information of the plain image, we convert the plain image into three DNA matrices based on the DNA random encoding rules.
• The DNA matrices are combined into a new matrix and is permutated by a scramble matrix generated by mixed linear-nonlinear coupled map lattices (MLNCML) system. In which, the key streams are associated with the secret keys and plain image, which can ensure our cryptosystem plain-image-dependent and improve the ability to resist known-plaintext or chosen-plaintext attacks.
• To resist statistical attacks, the scrambled matrix is decomposed into three matrices and diffused by DNA deletion-insertion operations. Finally, the three matrices are decoded based on DNA random decoding rules and recombined to three channels of the cipher image.
摘要
•To hide the distribution information of the plain image, we convert the plain image into three DNA matrices based on the DNA random encoding rules.•The DNA matrices are combined into a new matrix and is permutated by a scramble matrix generated by mixed linear-nonlinear coupled map lattices (MLNCML) system. In which, the key streams are associated with the secret keys and plain image, which can ensure our cryptosystem plain-image-dependent and improve the ability to resist known-plaintext or chosen-plaintext attacks.•To resist statistical attacks, the scrambled matrix is decomposed into three matrices and diffused by DNA deletion-insertion operations. Finally, the three matrices are decoded based on DNA random decoding rules and recombined to three channels of the cipher image.
论文关键词：Color image encryption,DNA,Chaotic map,MLNCML system
论文评审过程：Received 7 June 2019, Revised 15 August 2019, Accepted 17 October 2019, Available online 19 October 2019, Version of Record 22 October 2019.
论文官网地址：https://doi.org/10.1016/j.image.2019.115670
