A Secure and Robust Image Encryption Scheme Based on Mixture of Multiple Generalized Bernoulli Shift Maps and Arnold Maps

A Secure and Robust Image Encryption Scheme Based on Mixture of Multiple Generalized Bernoulli Shift Maps and Arnold Maps
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一种基于多个广义伯努利位移图和阿诺德图混合的安全鲁棒图像加密方案

DOI:
10.5815/ijcnis.2013.07.03
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发表时间:
2013-06
影响因子:
--
通讯作者:
Yuan Lin Ma
Yuan Lin Ma
中科院分区:
--
文献类型:
--
作者:
Rui Song Ye;Yuan Lin Ma

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本文构建了一种具有高效排列扩散机制的混沌图像加密方案,其中利用六个广义伯努利移位图和一个六维阿诺德图生成一个混合混沌轨道,用于在排列过程中打乱像素位置,同时使用四个广义伯努利移位图和一个阿诺德图产生两个随机灰度值序列,通过双向扩散过程改变灰度值。所提出的图像加密方案具有以下优点,包括巨大的密钥空间、良好的抵抗统计攻击和差分攻击的统计特性、对密文图像恶意攻击(如裁剪、噪声、JPEG压缩等)的良好鲁棒性。实验结果进行了详细分析,表明该方案可以成为实际图像加密的潜在候选方案。
In this paper, a chaotic image encryption scheme with an efficient permutation-diffusion mechanism is constructed, where six generalized Bernoulli shift maps and one six-dimensional Arnold map are utilized to generate one hybrid chaotic orbit applied to disorder the pixel positions in the permutation process while four generalized Bernoulli shift maps and one Arnold map are employed to yield two random gray value sequences to change the gray values by a two-way diffusion process. Several merits of the proposed image encryption scheme are achieved, including a huge key space, good statistical properties resisting statistical attack and differential attack, desirable robustness against malicious attacks on cipher-images, such as cropping, noising, JPEG compression, etc. Experimental results have been carried out with detailed analysis to show that the proposed scheme can be a potential candidate for practical image encryption.
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