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计算机应用研究 2012
Variable carrying rule-based equation software watermarking algorithm
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Abstract:
In order to solve the problems of low message hidden rate, the complexity embedding and extracting process for the equation reordering software watermarking algorithm, this paper proposed a new algorithm based on the variable carrying rule. The algorithm used the safe swappable equation initial coefficient as the secret key vector, and took advantage of the variable carrying rule and the equation coefficient rotate right operation to implement the watermarking embedding, without the remote authentication center through the extracting process. Experiment and analysis shows that the algorithm further improves the watermarking data rate and steganography and has strong resistance to the BLOAT distortion attack.