| 摘要 |
PURPOSE:To provide a digital information copying method and a device where utilized results are reported accurately to an information server as to correct use of charged digital information while the utilized results are accurately recorded and managed and illegal copying or illegal use is prevented. CONSTITUTION:Digital information including ciphered digital information main body, title information and authenticators are received through a communication line and an information protect section 3 detects the forgery of the digital information based on the authenticator, the operation of the information protect section 3 is verified, and only when the operation verification and the detection of forgery indicate an acceptable result, the information main body and the title information are decoded, and the title information and data and dime for copying outputs are stored in a utility result management means 37 as a copy recording, the information main body is copied and outputted to a package medium, and when a utilized result transmission request is received with inquiry information from an information delivery center, the inquiry information and the management information stored in the utility result management means 37 are sent to the information delivery center. |
