WATERMARKING APPARATUS FOR PROTECTING SOFTWARE INTELLECTUAL PROPERTY RIGHTS AND APPARATUS OF EXTRACTING WATERMARK

摘要

PURPOSE: watermark and watermark embedder for protecting Software Intellectual Property Rights, which provide, restores the easy piercing error alignment technique of watermark; even if a part of watermark is destroyed, without influencing to program codes and not increasing the size of program and do not reduce the program of execution speed. ;CONSTITUTION: watermark generating unit (11) is divided into more than two because utilizing the Chinese medicine of Chinese remainder theorem in main watermark, generates secondary watermark. Watermark insertion section (12) is inserted into separated secondary watermark and is embedded into program code. ;The 2013 of copyright KIPO submissions;[Reference numerals] (10) watermark embedding apparatus; (11) watermark generation part; (12) watermark insertion section; (20) watermark extracting part; (21) decoding unit; (22) secondary watermark assembling parts; (23) main watermark generation part; (24) comparing section; (30) database