计算机科学 ›› 2011, Vol. 38 ›› Issue (6): 149-152.
• 计算机网络与信息安全 • 上一篇 下一篇
卢辉斌,孙艳
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LU Hui-bin,SUN Yan
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摘要: 提出了一个新的超混沌系统,分析了新系统的混沌吸引子相图、平衡点及其性质、工yapunov指数等非线性动力学特性,并用该超混沌系统对图像进行加密研究。给出了一种新的基于四维超混沌系统的图像加密算法。实验结果及安全性分析表明,该算法具有较强的抵御穷举攻击、统计攻击、已知明文攻击能力,因而具有较高的安全性。
关键词: 超混沌系统,混沌序列,Lyapunov指数,图像加密
Abstract: Proposed a new hyperchaotic system, analyzed the new system, the phase diagram of the chaptic attractor, and the nature of the ectuilibrium point, Lyapunov exponent, nonlinear dynamics properties and so on, proposed a novel image encryption scheme based on a four dimensional hyperchaotic system .The experimental results and security analysis show that the new scheme has stronger resistance for the exhaustion attack, count attack and known-plaintext attack,and it is of high security.
Key words: Hyperschaotic system, Chaotic sequences, Lyapunov exponent, Image encryption
卢辉斌,孙艳. 基于新的超混沌系统的图像加密方案[J]. 计算机科学, 2011, 38(6): 149-152. https://doi.org/
LU Hui-bin,SUN Yan. Image Encryption Scheme Based on Novel Hyperchaotic System[J]. Computer Science, 2011, 38(6): 149-152. https://doi.org/
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