Dynamic Software Watermarking Scheme Based on Multivariate Quadratic Polynomials

ZHANG Mao-sheng; SUN Xiao-yan

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Dynamic Software Watermarking Scheme Based on Multivariate Quadratic Polynomials

更新时间：2026-09-04

- Dynamic Software Watermarking Scheme Based on Multivariate Quadratic Polynomials
- Vol. 29, Issue 12, Pages: 68-71(2012)
- 作者机构：
  
  1. 玉林师范学院数学与信息科学学院,广西,玉林,537000
  2. 武汉大学国家多媒体软件工程技术研究中心机构,湖北,武汉,430072
  3. 玉林师范学院机构计算机科学与工程学院,广西,玉林,537000
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2012
- 稿件说明：
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张茂胜, 孙小雁. 基于多变量二次多项式的动态图软件水印方案[J]. 微电子学与计算机, 2012, 29(12): 68-71.

ZHANG Mao-sheng, SUN Xiao-yan. Dynamic Software Watermarking Scheme Based on Multivariate Quadratic Polynomials[J]. 2012, 29(12): 68-71.
张茂胜, 孙小雁. 基于多变量二次多项式的动态图软件水印方案[J]. 微电子学与计算机, 2012, 29(12): 68-71. DOI：

ZHANG Mao-sheng, SUN Xiao-yan. Dynamic Software Watermarking Scheme Based on Multivariate Quadratic Polynomials[J]. 2012, 29(12): 68-71. DOI：

摘要

针对现有动态图软件水印算法在安全性上存在的不足

提出一种基于多变量二次多项式的软件水印方案.首先建立从基本域到扩域的中心映射

然后利用两个仿射变换将中心映射隐藏

将版权信息从基本域映射到扩域得到水印信息

再将水印信息转换为整数

利用传统动态图的方法嵌入程序当中.通过实例验证了水印证明版权的有效性.

Abstract

An innovative watermark algorithm against security problems of the existing watermark scheme is proposed

in which the multivariate quadratic polynomials and traditional dynamic graph are combined.First

a central map from fundamental field to extension field is designed.And then the central map is hidden by using two affine transformations and the copyright information in fundamental field are mapped to software watermark in extension field.The watermark is embedded after it is transformed into an integer.An example shows the validity of the system.

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