基于伪随机数生成器的视频隐写算法  

Research on Video Steganography Techniques Based on Cryptographically Secure Pseudo-Random Number

作　　者：王勇智 WANG Yongzhi(School of Information Science and Engineering,Hunan Institute of Science&Technology,Yueyang Hunan 414006,China)

机构地区：[1]湖南理工学院信息科学与工程学院,湖南岳阳414006

出　　处：《包装学报》2024年第5期58-62,共5页Packaging Journal

摘　　要：针对视频隐写的安全性和可靠性较低的问题,提出基于伪随机数生成器的视频隐写算法。将伪随机数生成器用于视频帧的选择,以增强隐写过程的随机性和不可预测性。伪随机数生成器产生的序列不同于传统固定模式的帧选择,其输出序列难以预测,使得攻击者难以从外部特征推断嵌入策略,从而降低被统计分析工具和机器学习模型检测的可能性。此外,用校验子格编码将秘密数据编码成冗余信息,以增强秘密数据的完整性,提升数据在复杂通信环境中的抗干扰性。实验结果表明,本算法能较显著提高视频隐写的安全性和隐蔽性,能有效抵抗统计分析攻击,并且在保持高数据嵌入率的同时,确保较低的错误率和较高的图像质量。In response to the issues of low security and reliability associated with video steganography,a video steganography algorithm is proposed based on a pseudo-random number generator(PRNG).The PRNG is utilized for selecting video frames,thereby enhancing the randomness and unpredictability of the steganographic process.The sequence generated by the PRNG,unlike traditional fixed-pattern frame selection,is difficult to predict,making it challenging for attackers to infer the embedding strategy from external features,thereby reducing the likelihood of detection by statistical analysis tools and machine learning models.Additionally,check digit lattice coding is employed to encode secret data into redundant information,enhancing the integrity of the secret data and improving its resistance to interference in complex communication environments.Experimental results demonstrate that this algorithm significantly enhances the security and concealment of video steganography,and effectively resists statistical analysis attacks.Moreover,while maintaining a high data embedding rate,it ensures a low error rate and high image quality.

关 键 词：视频隐写技术 密码学 伪随机数生成器 校验子格编码 信息隐藏 

分 类 号：TP309[自动化与计算机技术—计算机系统结构] TP391.41[自动化与计算机技术—计算机科学与技术]