DELIVERY OF ELECTRONIC CONTENT OVER NETWORK USING HYBRID OPTICAL DISK FOR AUTHENTICATION

摘要

PROBLEM TO BE SOLVED: To provide a legal user content which can be downloaded from a network such as the Internet and can also be used by a legal user at a plurality of places. SOLUTION: A method of transferring information from a database to a location that uses an authorizing hybrid disc, comprises the steps of: providing an authorizing hybrid optical disc having a ROM portion and a RAM portion; providing a ROM portion including a preformed identification signature; providing a RAM portion including user-specific encrypted information for providing a user-personalized secure signature in combination with the ROM preformed identification signature; a content supplier encrypting information for each user using the user-personalized secure signature and downloading selected encrypted information to a particular user's memory location; and using the user-personalized secure signature to decode the downloaded selected encrypted information.