基于元胞自动机的2D工程图形加密算法  

2D Engineering Graphics Encryption Algorithm Based on Cellular Automata

作　　者：张晓燕 李小伟 刘寿鑫 ZHANG Xiaoyan;LI Xiaowei;LIU Shouxin(Economic and Management Department,Sichuan College of Architectural Technology,Chengdu Sichuan 610399,China;School of Electronics and Information Engineering,Sichuan University,Chengdu Sichuan 610065,China)

机构地区：[1]四川建筑职业技术学院经济管理系,四川成都610399 [2]四川大学电子信息学院,四川成都610065

出　　处：《信息与电脑》2024年第22期183-185,共3页Information & Computer

基　　金：四川省国际合作基金项目“大数据环境下面向云安全的3D多媒体版权保护与加密技术”(项目编号:2023YFH0030);校企合作项目(项目编号:HT20241022)。

摘　　要：近年来,远程传输促进了制造业的快速发展,但在不安全的网络中,工程图纸容易被盗或被非法攻击。由于工程图形中存在明显横竖线条,即使利用传统数字加密算法对2D工程图形加密,在密文中也会发现线条,这会导致密文存在破密风险。文章提出了基于元胞自动机(Cellular Automata,CA)的2D工程图形加密算法,产生的加密密文质量显著提高。该算法密钥空间较大,对密钥、原始图和加密图敏感,即使密钥有轻微变化也无法从密文中获得明文信息。此外,文章还进行了相关实验来验证有效性,实验结果表明,该方案具有较高的安全性和鲁棒性。In recent years,remote transmission has promoted the rapid development of the manufacturing industry,but in insecure networks,engineering drawings are prone to theft or illegal attacks.Due to the presence of obvious horizontal and vertical lines in engineering graphics,using traditional digital encryption algorithms to encrypt 2D engineering graphics can also result in the discovery of lines in the ciphertext,leading to the risk of ciphertext decryption.A 2D engineering graphic encryption algorithm based on cellular automata(CA)has been proposed,which significantly improves the quality of encrypted ciphertext generated.This algorithm has a large key space and is sensitive to the key,original graph,and encrypted graph.Even slight changes in the key cannot obtain plaintext information from the ciphertext.In addition,relevant experiments were conducted to verify the effectiveness,and the experimental results showed that the scheme has high security and robustness.

关 键 词：工程图形加密算法 元胞自动机 数字加密 

分 类 号：TP309.7[自动化与计算机技术—计算机系统结构]