INSTRUCTION COMPOSITE EMBEDDING TYPE ENCRYPTION TECHNOLOGY AND DUPLICATION CONTROL SYSTEM FOR PREVENTING DUPLICATION OF IMAGE, MOVING IMAGE, MUSIC, VOICE AND DOCUMENT FILE STARTING WITH PDF TO BE USED ON ELECTRONIC EQUIPMENT (INCLUDING PERSONAL COMPUTER) ON THE INTERNET AND ELECTRONIC EQUIPMENT (INCLUDING PERSONAL COMPUTER)

摘要

PROBLEM TO BE SOLVED: To easily and surely prevent a work such as an image, moving image, music, voice and document starting with a PDF to be used on electronic equipment (including a personal computer) and a file including secret information such as personal information from being illegally used.;SOLUTION: The work to be used on electronic equipment (including a personal computer) and a file including the secret information are encrypted, and restriction information using a method to specify assignment is added to the encrypted data so as to inhibit the illegal use. Thus, it is possible to easily and surely protect the work and the file including the secret information on the Internet and on a local network on electronic equipment (including a personal computer).;COPYRIGHT: (C)2010,JPO&INPIT