International Journal of Computer Applications
Watermarking is theory of protecting the documents from illegal copying, redistribution of the documents and to preventing from copyright violation. The document watermark created in manner that it's inaccessible to the document viewer in normal circumstances. There are two main issues regarding web document watermarking is imperceptibility and robustness of watermark. In this paper, the authors proposed web document watermarking by means of cryptographic Unicode. This system consist four processes generation, embedding, detection and extraction. This scheme becomes safer and sound for the reason that it the authentication for generation and extraction process.