融合隐写与混沌压缩感知的多重图像加密方法  

Multi⁃image encryption method based on steganography and chaotic compression sensing

作　　者：许爽 曹唯一 唐青 柯友胜 XU Shuang;CAO Weiyi;TANG Qing;KE Yousheng(Key Laboratory of Metallurgical Equipment and Control Technology,Ministry of Education,Wuhan University of Science and Technology,Wuhan 430081,China;Hubei Key Laboratory of Mechanical Transmission and Manufacturing Engineering,Wuhan University of Science and Technology,Wuhan 430081,China;Precision Manufacturing Institute,Wuhan University of Science and Technology,Wuhan 430081,China)

机构地区：[1]武汉科技大学冶金装备及其控制教育部重点实验室,湖北武汉430081 [2]武汉科技大学机械传动与制造工程湖北省重点实验室,湖北武汉430081 [3]武汉科技大学精密制造研究院,湖北武汉430081

出　　处：《现代电子技术》2023年第17期77-83,共7页Modern Electronics Technique

基　　金：国家自然科学基金资助项目(51905393);国家自然科学基金资助项目(12102311)。

摘　　要：随着互联网通信的需求和发展,大量图像信息通过网络传输,这使得信息泄露成为一个前所未有的重要问题,加密效果好、保密性强的加密方案对信息保护和网络安全具有重要意义。文中提出一种基于隐写技术和混沌压缩感知的多重彩色图像加密方案。在第一重加密中,通过隐写技术将原始图像嵌入到宿主图像中,以获得水印图像;在第二重加密中,通过压缩感知对水印图像进行压缩和加密,其密钥由原始图像的RGB分量通过将压缩图像和编码-解码构建的编码矩阵相结合来获得密文图像。仿真结果表明,该方案隐藏了原始图像的信息,并将其转换为具有良好加密性能和强大压缩性能的噪声图像,减少了密文和密钥的数据量,减轻了信息存储和传输的负担。此外,该方法具有较高的解密精度和良好的保密效果,可以有效抵御各种攻击。With the demand and development of the Internet communication,a large amount of image information is transmitted by network,which makes information disclosure an unprecedented important issue.The encryption scheme with good encryption effect and strong confidentiality is of great significance to information protection and network security.Therefore,a multiple color image encryption scheme based on steganography and chaotic compression sensing is proposed.In the first encryption,the original image is embedded into the host image by steganography to obtain a watermark image.In the second encryption,the watermark image is compressed and encrypted by compression sensing,and its key is composed of the RGB component of the original image,and the ciphertext image is obtained by combining the compressed image with the encoding matrix constructed by encoding and decoding.The simulation results show that the method hides the information of the original image and converts it into a noisy image with good encryption performance and strong compression performance,which decreases the data volume of the ciphertext and key and reduces the burden of information storage and transmission.In addition,the proposed method has high decryption accuracy and good security effect,so it can resist various attacks effectively.

关 键 词：信息隐藏 压缩感知 混沌理论 隐写技术 图像加密 多重加密 

分 类 号：TN919.8-34[电子电信—通信与信息系统]