基于超混沌系统的RGB图像加密

M. Kar, M. Mandal, Debashis Nandi
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引用次数: 4

摘要

在现代数字时代,在多用户系统中存储数字数据并通过互联网传输在社会中是至关重要的。加密技术是保护数字信息免遭未经授权使用的可能解决方案之一。在这种技术中,加密算法应该易于设计和实现。本文提出了一种采用四维洛伦兹系统的彩色图像加密算法。该加密技术对输入的256位密钥和输入的平面图像非常敏感。首先,彩色图像被分割成三个不同的通道R、G和b,然后利用扩散和混淆机制分别对每个通道进行加密。最后,将所有三个通道R、G和B组合起来产生所需的加密图像。已经进行了各种安全测试来证明所提出的加密技术的有效性。与其他报道的工作相比,加密时间大大缩短。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
RGB image encryption using hyper chaotic system
In the modern digital era, the storage of digital data in multi-users systems and transmission over the internet is prime important in the society. The cryptographic technique is one of the possible solutions for protecting digital information for unauthorized uses. In this technique, the encryption algorithm should be simple to design and implementation. In the proposed article, a novel color image encryption algorithm is presented employing a 4D Lorenz system. The encryption technique is very sensitive to the input 256 bits key and input plane image. Initially, the color image is split into three different channels R, G, and B. Next each channel is encrypted separately by employing diffusion and confusion mechanism. Finally, all three channels R, G, and B are combined to produce the required encrypted image. Various security tests have been conducted to prove the validity of the presented encryption technique. The encryption time was considerably less as compared to other reported works.
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