一种防共谋欺骗的可视密码方案  

AN ANTI-COLLUSION DECEPTION VISUAL CRYPTOGRAPHY SCHEME

作　　者：齐向东 姜博 尹乃潇 Qi Xiangdong;Jiang Bo;Yin Naixiao(Netshen Information Technology(Beijing)Incorporated Company,Beijing 100015,China;China Academy of Information and Communications Technology,Beijing 100191,China)

机构地区：[1]网神信息技术(北京)股份有限公司,北京100015 [2]中国信息通信研究院,北京100191

出　　处：《计算机应用与软件》2021年第6期329-332,349,共5页Computer Applications and Software

摘　　要：针对防共谋欺骗可视密码存在像素扩展度大的问题,通过对秘密图像的不同像素列,随机选取不同像素扩展度的加密矩阵进行分享,构造出一种防共谋欺骗可视密码方案。理论与实验结果表明,该方案能够实现防共谋欺骗功能,且参与者不需要持有额外的验证共享份,同时优化了像素扩展度,减小了共享份的存储和传输开销。To solve the problem of large pixel expansion for anti-collusion deception visual cipher,by randomly selecting the encryption matrix with different pixel expansion for different pixel columns of secret image to share,a scheme of anti-collusion deception visual cryptography is constructed.The theoretical and experimental results show that this scheme can achieve the function of anti-collusion deception,and participants do not need to hold additional verification shares.It optimizes the pixel expansion and reduces the storage and transmission costs of shared shares.

关 键 词：可视密码 共谋欺骗 加密矩阵 像素扩展度 

分 类 号：TP309.7[自动化与计算机技术—计算机系统结构]