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Title:
DELIVERY OF ELECTRONIC CONTENT OVER NETWORK USING HYBRID OPTICAL DISK FOR AUTHENTICATION
Document Type and Number:
Japanese Patent JP2003115163
Kind Code:
A
Abstract:

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.

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.


Inventors:
INCHALIK MICHAEL A
MUELLER WILLIAM J
Application Number:
JP2002169245A
Publication Date:
April 18, 2003
Filing Date:
June 10, 2002
Export Citation:
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Assignee:
EASTMAN KODAK CO
International Classes:
G06F1/00; G06F21/00; G06F21/24; G06Q50/00; G11B7/007; G11B7/30; G11B20/00; G11B20/10; G11B20/12; G11B27/00; G06F12/14; H04N5/85; H04N7/167; H04N21/239; H04N21/266; (IPC1-7): G11B20/10; G06F12/14; G06F17/60; G11B7/007; G11B7/30; G11B20/12; G11B27/00; H04N5/85; H04N7/167
Attorney, Agent or Firm:
Tadahiko Ito (3 outside)