基于AONT的混沌图像加密算法研究
郭展榕 ( 中国人民警察大学 )
金 泽 ( 中国人民警察大学 )
https://doi.org/10.37155/2717-5170-0604-16Abstract
基于混沌的密码学是一个非常有前途的新兴领域,它提供了大量特别适用于信息加密、保密通信、扩频 通信、智能卡加密、数字水印等的技术。混沌系统的许多基本特征如不确定性、不可重复性和不可预测性都与好的密 码的属性——混乱和扩散相联系。目前大多数基于混沌的加密研究都没有集中在加密操作模式方面。本文使用了一种 基于混沌的全有或全无变换(AONT)图像加密模式。这种加密操作模式能够保证在不解密所有密文块的前提下,无 法还原任何一个明文块信息,一般在混沌加密算法后使用。结果表明,全有或全无变换加密模式在加密的整体效率上 几乎没有开销,并且实现了安全增益。
Keywords
混沌密码学;Logistic映射;Cat映射;AONT加密;图像加密Full Text
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Solitons & Fractals, 2004(21): 749-761.
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[5]Canda V, Vanler, Trung T. A new mode of using all_x0002_or-nothing transforms[C]. IEEE International Symposium on
Information Theory. 2006(33): 159–168.
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