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一种新的基于Lorenz超混沌系统的位平面置换图像加密方法 被引量:2

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摘要 为了提高加密算法的安全性,本文提出一种新的基于Lorenz超混沌系统的位平面置换图像加密方法,首先把8位灰度图像分解为8个位平面,每个位平面均是由0,1二进制构成;接着采用超混沌系统Lorenz产生的混沌序列对这8个位平面进行位置置乱和按条件取反操作,最后对得到的矩形进行变形和位平面重组就可得到加密图像,实验结果和安全性分析表面,本文提出的算法效率高、置乱程度好、两次的值扩散为算法的安全性上了双保险。
作者 薛香莲
出处 《网络安全技术与应用》 2015年第6期101-101,103,共2页 Network Security Technology & Application
基金 陕西省教育厅科研计划项目(编号2013JK1149)资助
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参考文献7

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二级参考文献56

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