基于超混沌不稳定耗散系统的灰度图像加密

8th International Conference for Internet Technology and Secured Transactions (ICITST-2013) Pub Date : 2013-12-01 DOI:10.1109/ICITST.2013.6750252

L. J. Ontanon-Garcia, M. Garcia-Martinez, E. Campos-Cantón, S. Čelikovský

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引用次数: 2

摘要

本文采用了一种基于适合加密的超混沌不稳定耗散系统的伪随机比特发生器。这类系统的鞍型双曲平衡点具有如下特征值:两个负实部特征值和一对正实部复共轭特征值。对R4中的超混沌系统进行二值化，生成伪随机序列，利用对称密钥算法对灰度图像的二进制信息进行加密。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Grayscale image encryption using a hyperchaotic unstable dissipative system

Here we use a pseudo-random bit generator based on a hyperchaotic unstable dissipative system suitable for encryption. This type of system presents saddle hyperbolic equilibrium points with eigenvalues as follows: two negative real eigenvalue, and one pair of complex conjugated eigenvalues with positive real part. The hyperchaotic system in R4 is binarized in order to generate a pseudo-random sequence, that is used to encrypt binary information of a grayscale image via symmetric-key algorithm.

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来源期刊

8th International Conference for Internet Technology and Secured Transactions (ICITST-2013)

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