Journal
IEEE ACCESS
Volume 8, Issue -, Pages 210382-210399Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/ACCESS.2020.3039891
Keywords
Encryption; Image coding; Chaotic communication; Ciphers; Two dimensional displays; DNA; Computer architecture; Information security; image encryption; image compressing; chaos
Categories
Funding
- National Natural Science Foundation of China [61701043, 41874140]
- Shaanxi Province Science and Technology Program [2020JM-220, 2020JQ-351]
- Fundamental Research Funds for the Central Universities of China [300102240205]
- Natural Science Foundation of Heilongjiang Province [F2018022]
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To guarantee the security and high-efficiency of image transmission, a novel triple-image encryption scheme based on chaotic system, S-box and image compressing is proposed in this paper. Firstly, the combination process is performed by compressing three plain images to 25% and combining the compressed images with a stochastic matrix generated by the 2D-LSCM system to construct a new image. This process makes the proposed image encryption scheme have higher image transmission efficiency comparing to that of the state-of-the-art methods. Then, Z-scan and the proposed coded lock scrambling algorithm with low time complexity is used to randomly scramble the positions of pixels in the new construct image. Next, a cipher image is obtained by performing the diffusion operation on the scrambled image through S-box and chaotic sequences. In addition, the added stochastic matrix in the combination process makes the cipher image dynamic. In other words, the generated cipher images are always different to each other even when they are generated by the proposed encrypt scheme with identical plain images under the same secret keys, which can resist chosen-plaintext attacks. Finally, experimental results and simulation analysis are performed, which shows the proposed scheme can effectively resist common kinds of attacks.
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