汕头大学数学系;
利用改进的Logistic-PWLCM映射、超混沌Chen系统所生成的改进序列和二维四值元胞自动机,设计了一种新型的对称图像加密算法.将Logistic映射和PWLCM映射复合得到新的一维混沌系统,对超混沌Chen系统所生成序列做进一步的改进,使得用于控制加密过程的密钥流序列具有更好的混沌特性.构造了一个新型的二维四值元胞自动机,对传统的二值元胞自动机做了推广,提高了元胞自动机演化的复杂性.对加密算法做了详细的性能分析,结果表明本文所提出的图像加密算法具有优良的安全性能.
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下载次数 | 被引频次 | 阅读次数 |
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基本信息:
DOI:
中图分类号:TP309.7;O415.5
引用信息:
[1]叶瑞松,李泓.基于二维四值元胞自动机和混沌系统的彩色图像对称加密算法[J].汕头大学学报(自然科学版),2025,40(02):29-42.
基金信息:
广东省基础与应用基础研究基金项目(2023A1515030199)