Abstract: Software watermark, a novel technology for software copyright protection, is a topic that has recently gained increasing attention all over the world. This paper gives an overview of software watermark including concepts, models, taxonomy and the methods of attacking, and deeply analyzes its novel algorithms developed abroad, and presents their advantages and disadvantages. In conclusion, it points out its development direction based on the analysis of status and problems remaining unsolved.

Key words: software watermark, digital watermark, software copyright protection

摘要： 软件水印作为软件版权保护的新技术，近年来已受到国内外研究机构的普遍关注。文章阐述了软件水印的概念、模型、分类和攻击方法，对该领域近年来国外的新进展、新技术和新算法进行了深入的分析和综述，讨论了这些技术的特点与利弊。基于对软件水印发展现状和未决问题的分析与评述，指出了该领域的研究方向。

关键词: 软件水印, 数字水印, 软件版权保护

CLC Number: 

• TP309.2