容错型数字文本水印算法研究  

Research on Fault Tolerant Digital Text Watermarking Algorithm

作　　者：成媛媛[1] 刘晓威[1] 张金[1] 高岩[1] 

机构地区：[1]南开大学计算机与控制工程学院,天津300071

出　　处：《信息网络安全》2015年第5期34-40,共7页Netinfo Security

基　　金：国家教育部高等学校博士学科点专项科研基金[20110031120032];中央高校基本科研业务费专项资金

摘　　要：随着信息化技术的飞速发展和智能设备使用的普及,以纸质读物为主体的传统出版业正向以数字化资源为主体的新型出版业转变,图片、图书、杂志、报纸的网上发行和其他专用文档的网络传输变得十分普遍。由于网络资源易于复制,传播迅速,合法用户权益极易受到侵害。以解决这一问题为目标,由文本水印代表的版权保护技术应运而生。文章利用字处理软件对于相应文档的识别具有一定的容错能力,即在一定程度上忽略文件中出现的错误,使用户在没有感知到异常信息的情况能够下正常使用文档的特点,提出一种容错型文本数字水印算法。利用该算法,可将版权信息嵌入文件的保留字部分,用户既可以正常使用文档,被嵌入的水印也能够被提取算法获取并验证版权。With the rapid development of information technology and the wild use of smart devices, the traditional publishing industry is shifting to the new publishing industry. Pictures, books, magazines, newspaper and some other special document transmitting on the network has become very common. As the network is easy to copy and spread text resources, the legitimate interests of users vulnerable to abuse. To solve this problem, copyright protection technology which is represented by the text watermark came into being. This paper uses fault tolerance principle to design a new algorithm. To some extent, word processing software can ignore some faults in the documents. A new algorithm has been designed according to this. Using this algorithm, the copyright information can be kept in the reserved words of files. Users are allowed to properly use the document, and the embedded watermark can be extracted obtain and verify the copyright.

关 键 词：数字文本水印 容错性 OFFICE 二进制文件格式 混沌加密 

分 类 号：TP309.7[自动化与计算机技术—计算机系统结构]