++document signature generation and insertion

Internet plays the role of a huge information repository in the modern era. It is the most rapidly growing and ever expanding media for information interchange. The easiest way to distribute articles, theses, papers and legal law documents is through the Internet or file sharing systems, but it poses copyrights violation issues. To protect these intellectual property rights, only a few techniques have been proposed. We present a content-based technique in conjunction with horizontal word shift coding to provide a two level security and a mechanism for inserting and generating unique signatures and copyrights information