A Tamper Proofing Text Watermarking Shift Algorithm for Copyright Protection
,Department of Computer and Electrical Engineering, Higher Technological Institute, 10th of Ramadan City, Al-sharkia, Egypt.
Watermarking has proved its great reliability and flexibility for data protection and tamper detection. Among the different media in which watermarking technology is used, text watermarking represents the most challenging issue due to the different nature of various formats. Plain text is widely used for transferring information on the internet. There is a lack of used plain text watermarking techniques, so obviously it’s necessary to focus on that point. In this paper a novel text watermarking approach is proposed for copyright protection and tamper detection of plain text by inter-word spacing (depending on a secret key) and text fingerprint. This approach is a combination of several steps which work cooperatively. Simulation results manifest a promising performance accomplished by our approach in authentication and tampering detection fields.
Text watermarking; Copyright protection; Tamper detection; Authentication; Hash function; Word shift; Plain text
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