机电工程技术2024，Vol.53Issue(4)：115-120,6.DOI:10.3969/j.issn.1009-9492.2024.04.026
基于位平面置乱的图像加密算法研究
Research on Image Encryption Algorithm Based on Bit Plane Disruption
摘要
Abstract
In recent years,with the increasing emphasis on electronic information privacy and network security,people have more stringent requirements on information encryption technology,and image encryption technology has attracted much attention.Therefore,an image encryption algorithm based on bit plane is presented.Each pixel value in the plaintext image matrix is decomposed into 8 bits,and the bits in the same position are combined into two bit plane matrices with high and low four bits;the chaotic sequence generated by the multi-scroll chaotic system is used to scramble-diffuse-scramble the two bit plane matrices,and the encrypted image is obtained;security analysis such as histogram,correlation of adjacent pixels,key sensitivity,information entropy and anti-clipping are carried out on MATLAB platform.The results show that the proposed image encryption algorithm can be used to encrypt images safely and effectively,and the security analysis shows that after encryption,the image histogram is stable,the pixel correlation coefficient is close to 0,and the information entropy is above 7.996 0.It has good performance in terms of encryption effect and security,and can be used to resist the interference of various attacks and protect image information securely.关键词
图像加密/位平面/行列置乱/混沌/安全性分析Key words
image encryption/bit plane/row-column scrambling/chaos/safety analysis分类
信息技术与安全科学引用本文复制引用
时晨阳,刘嵩..基于位平面置乱的图像加密算法研究[J].机电工程技术,2024,53(4):115-120,6.基金项目
恩施州科技计划项目(D20220015) （D20220015）
