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首页> 外文期刊>WSEAS Transactions on Signal Processing >Digital Image Encryption Using the Image Adaptive Interleaving and Multiple Random Shuffling
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Digital Image Encryption Using the Image Adaptive Interleaving and Multiple Random Shuffling

机译:使用图像自适应交织和多重随机改组的数字图像加密

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摘要

In this paper, we proposed digital image encryption method using interleaving and random shuffling to protect right of contents authorship. Experimental results show that proposed method can be used to encrypt digital image data. In this paper, we propose a digital image encryption method using adaptive interleaving and multiple random shuffling to improved the existing encryption methods which use a fixed random shuffling table. In order to withstand the plain-text attack, at first, we present a new interleaving method that is adaptive to image's local feature information. We encrypted image by shuffling together 8×8 DCT blocks with these proposed interleaving and interleaving combined with random shuffling table. The security level of the cryptosystem against plain-text attack is also analyzed. Experimental results show that, proposed algorithm is very robust to plain-text attack(especially chosen plain-text attack) and there is no bit overhead. One important advantage of this proposed algorithm is that the resulting bit-stream can be made compliant to the compression format.
机译:在本文中,我们提出了一种采用交织和随机混洗的数字图像加密方法来保护内容的著作权。实验结果表明,该方法可用于数字图像数据的加密。在本文中,我们提出了一种使用自适应交织和多次随机改组的数字图像加密方法,以改进现有的使用固定随机改组表的加密方法。为了抵御纯文本攻击,首先,我们提出了一种新的交织方法,该方法适用于图像的局部特征信息。我们通过将8×8个DCT块与这些建议的交织和随机交织表相结合,对图像进行混洗来加密图像。还分析了密码系统针对纯文本攻击的安全级别。实验结果表明,该算法对纯文本攻击(特别是选择的纯文本攻击)具有很好的鲁棒性,并且没有开销。该提出的算法的一个重要优点是可以使生成的比特流符合压缩格式。

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