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H Function based Tamper-proofing Software Watermarking Scheme

机译：基于 H 功能的防篡改软件水印方案

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摘要

A novel constant tamper-proofing software watermark technique based on H encryption function is presented. First we split the watermark into smaller pieces before encoding them using CLOC scheme. With the watermark pieces, a many-to-one function ( H function) as the decoding function is constructed in order to avoid the pattern-matching or reverse engineering attack. The results of the function are encoded into constants as the parameters of opaque predicates or appended to the condition branches of the program to make the pieces relevant. The feature of interaction among the pieces improves the tamper-proofing ability because there being one piece destroyed, the program will not work correctly. The simulation shows that the performance of the proposed scheme is good and can resist many kinds of attacks.
机译：提出了一种基于H加密功能的恒定防篡改软件水印技术。首先，在使用CLOC方案对水印进行编码之前，我们将水印分成较小的部分。利用水印片段，构造了多对一函数（H函数）作为解码函数，以避免模式匹配或逆向工程攻击。函数的结果被编码为常量，作为不透明谓词的参数，或附加到程序的条件分支以使各部分相关。片段之间的交互功能提高了防篡改能力，因为有一个片段被破坏了，程序将无法正常运行。仿真表明，该方案性能良好，可以抵抗多种攻击。

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