Robust Software Watermarking Scheme Using RC4 and HASH

In this paper, a novel software watermarking method using RC4 and Hash function is proposed. The method with good robust can be applied to protect and verify software copyright. The copyright information of ownership should be encrypted by RC4 stream cipher algorithm to ensure that the information is confidentiality, and prevent the information from forging. In order to avoid leaking the copyright information, the hash value is evaluated. Combining the PPCT and permutation encoding, even the code pointers have been attacked, this method will make use of the encrypted data or hash value to reconstruct the Dynamic diagram of the watermark information which was embedded in programs.

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