The Researches Of Digital Document Copyright Protection

The technology of digital document copyright protection,used advanced information technology to effectively avoid illegal use and copy,with offering digitalized and network-dependent information services,for the purpose of protecting digital document copyright.The researches of digital document copyright protection can help promote people recognize the importance of copyright,respect the efforts by the cultural and scientific researchers.The implementation can widely applied in areas like government,security-related enterprises and cooperation,which help protect some confidential information.This paper presented an analysis based on digital copyright encryption technology to explore the researching progresses within and beyond board,proposed and designed a solution with current available technologies combined to protect regular documents.The system proposed for digital document copyright protection is based on encryption technology.It encrypted and decrypted documents of types like Word,PDF,Excel and WPS with DES encryption algorithm,controlled the browsing experience with Hook technology of Windows API,while keep the reliability of the key information with the MD5 checksum algorithm.This system has been proved functional after deployed and tested at some security-related enterprises.