期刊
OPTICS AND LASERS IN ENGINEERING
卷 90, 期 -, 页码 146-154出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.optlaseng.2016.10.006
关键词
Image encryption; DNA sequence; Permutation; Diffusion; Chaotic map
类别
资金
- Islamic Azad University - firoozkooh Branch
- Ministry of Higher Education Malaysia (MOHE)
- Research Management Center (RMC) Universiti Teknologi Malaysia (UTM)
- Ministry of Education, Science Technology (MEST)
- National Research Foundation of Korea (NRF) through the Human Resource Training Project for Regional Innovation
In the past decade, the interest on digital images security has been increased among scientists. A synchronous permutation and diffusion technique is designed in order to protect gray-level image content while sending it through internet. To implement the proposed method, two-dimensional plain-image is converted to one dimension. Afterward, in order to reduce the sending process time, permutation and diffusion steps for any pixel are performed in the same time. The permutation step uses chaotic map and deoxyribonucleic acid (DNA) to permute a pixel, while diffusion employs DNA sequence and DNA operator to encrypt the pixel. Experimental results and extensive security analyses have been conducted to demonstrate the feasibility and validity of this proposed image encryption method.
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