Fast Color Image Encryption Algorithm Based on DNA Coding and Multi-Chaotic Systems

加密 计算机科学 编码(社会科学) 混乱的 算法 图像(数学) 计算机视觉 人工智能 数学 计算机安全 统计
作者
Shaofang Wang,J. Pan,Yanrong Cui,Zhongju Chen,Wei Zhan
出处
期刊:Mathematics [Multidisciplinary Digital Publishing Institute]
卷期号:12 (20): 3297-3297
标识
DOI:10.3390/math12203297
摘要

At present, there is a growing emphasis on safeguarding image data, yet conventional encryption methods are full of numerous limitations. In order to tackle the limitations of conventional color image encryption methodologies, such as inefficiency and insufficient security, this paper designs an expedited encryption method for color images that uses DNA coding in conjunction with multiple chaotic systems. The encryption algorithm proposed in this paper is based on three-dimensional permutation, global scrambling, one-dimensional diffusion and DNA coding. First of all, the encryption algorithm uses three-dimensional permutation algorithms to scramble the image, which disrupts the high correlation among the image pixels. Second, the RSA algorithm and the SHA-256 hashing algorithm are utilized to derive the starting value necessary for the chaotic system to produce the key. Third, the image is encrypted by using global scrambling and one-dimensional diffusion. Finally, DNA coding rules are used to perform DNA computing. The experimental results indicate that the encryption scheme exhibits a relatively weak inter-pixel correlation, uniform histogram distribution, and an information entropy value approaching eight. This shows that the proposed algorithm is able to protect the image safely and efficiently.
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