基于语义水印的数字签名算法  

Digital signature algorithm based on semantic watermarking

作　　者：程显毅[1] 张启杰[1] 耿飙[1] 

机构地区：[1]江苏大学计算机科学与通信工程学院,江苏镇江212013

出　　处：《计算机应用研究》2009年第10期3914-3917,共4页Application Research of Computers

基　　金：国家自然科学基金资助项目(60702056);江苏省高校自然科学研究项目(03KJD51002)

摘　　要：针对数字签名技术中签名信息易被移除的问题,在语义技术的基础上提出了基于语义水印的数字签名算法。该算法的基本思想是在不改变文本语义的前提下,通过同义词替换算法嵌入签名信息,并在数据加密阶段,综合运用DES算法和RSA算法,使得破解及窜改签名信息更加困难。实验证明,该算法具有容易实现、鲁棒性好、抗检测性强的优点。For the lack of removing signature information easily in the technology on digital signature, based on semantic watermarking technology, proposed the algorithm based on semantic watermarking. The basic idea of the algorithm was that, on the premise of not making any changes to the semantics of the text, embedded digital signature information through the algorithm of synonymy substitution. In addition, in the stage of data encryption, the comprehensive use of the DES algorithm and RSA algorithm make the cracking and tampering of signature information more difficult. Experiments testify that the algorithm itself is easy to realize, robust and strong anti-testing.

关 键 词：数字签名 同义词替换 语义 数据加密标准算法 RSA算法 

分 类 号：TP309[自动化与计算机技术—计算机系统结构]