| 基于多常量编码的动态图软件水印保护技术 |
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| 引用本文： | 沈静博,房鼎益,吴晓南,陈晓江.基于多常量编码的动态图软件水印保护技术[J].计算机工程,2006,32(20):160-162. |
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| 作者姓名： | 沈静博 房鼎益 吴晓南 陈晓江 |
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| 作者单位： | 西北大学计算机科学系,西安,710127 |
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| 摘 要： | 提出了一种利用多常量编码伪水印来对动态图水印进行保护的方法，设计了针对IPPCT结构动态图水印的保护算法。该算法通过创建多个IPPCT结构的伪水印对宿主程序功能性的依赖关系，对真实水印起到了防篡改的作用，增加了攻击者的攻击难度，从而可对该类水印进行有效的保护。
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| 关 键 词： | 动态图软件水印 鲁棒性 常量编码 伪水印 防篡改 |
| 文章编号： | 1000-3428（2006）20-0160-03 |
| 收稿时间： | 01 3 2006 12:00AM |
| 修稿时间： | 2006-01-03 |
Protection of Dynamic Graph Watermark Based on Multiple Constants Encoding |
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| SHEN Jingbo,FANG Dingyi,WU Xiaonan,CHEN Xiaojiang.Protection of Dynamic Graph Watermark Based on Multiple Constants Encoding[J].Computer Engineering,2006,32(20):160-162. |
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| Authors: | SHEN Jingbo FANG Dingyi WU Xiaonan CHEN Xiaojiang |
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| Affiliation: | (Department of Computer Science, Northwestern University, Xi’an 710127) |
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| Abstract: | A novel approach of dynamic graph software watermark protection with multiple constant encoding is proposed, and an algorithm to protect the watermark based on improved PPCT structure is designed and implemented. Through creating multiple dependencies of fake watermarks with the protected program, the algorithm presents many significant features, such as, tamper proofing, anti-attack, and effectiveness in watermark protection. |
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| Keywords: | Dynamic graph watermark Robustness Constant encoding Fake watermark Tamper proofing |
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