Journal
OPTICS AND LASERS IN ENGINEERING
Volume 88, Issue -, Pages 197-213Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.optlaseng.2016.08.009
Keywords
Image encryption; Deoxyribonucleic acid (DNA); 2D Logistic chaotic map; Security analyses
Categories
Funding
- National Natural Science Foundation of China [61203094, 61305042]
- Natural Science Foundation of the United States [CNS-1253424, ECCS-1202225]
- Science and Technology Foundation of Henan Province of China [152102210048]
- Foundation and Frontier Project of Henan Province of China [162300410196]
- Natural Science Foundation of Educational Committee of Henan Province of China [14A413015]
- Research Foundation of Henan University [xxjc20140006]
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An image encryption algorithm based on chaotic system and deoxyribonucleic acid (DNA) sequence operations is proposed in this paper. First, the plain image is encoded into a DNA matrix, and then a new wave-based permutation scheme is performed on it. The chaotic sequences produced by 2D Logistic chaotic map are employed for row circular permutation (RCP) and column circular permutation (CCP). Initial values and parameters of the chaotic system are calculated by the SHA 256 hash of the plain image and the given values. Then, a row-by-row image diffusion method at DNA level is applied. A key matrix generated from the chaotic map is used to fuse the confused DNA matrix; also the initial values and system parameters of the chaotic system are renewed by the hamming distance of the plain image. Finally, after decoding the diffused DNA matrix, we obtain the cipher image. The DNA encoding/decoding rules of the plain image and the key matrix are determined by the plain image. Experimental results and security analyses both confirm that the proposed algorithm has not only an excellent encryption result but also resists various typical attacks. (C) 2016 Elsevier Ltd. All rights reserved.
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