Patent ID: RE41657

Claim:
A method for dealing in data content using a data content dealing system, in which an original data content and an edited data content which a first user has edited are sold in a network to a second user, whereby: said original data content comprises a data object; said edited data content comprises said data object and an editing scenario describing editing details of said data object; said data content dealing system comprises a data content dealing center and a database; said data content dealing center comprises a key management center, a data content dealing management center and an editing scenario dealing management center; said method comprising the steps of: said key management center generating a secret-key, storing said secret-key and transferring of said secret-key; said data content dealing management center advertising and selling said data content stored in said database; said editing scenario dealing management center advertising and selling said editing scenario; said first user creating said edited data content by utilizing said original data content stored in said database, encrypting an editing scenario of said edited data content by a secret-key which is to be deposited in said database, and depositing said secret-key to said key management center; transferring said encrypted editing scenario and said secret-key to the second user who wishes to utilize said edited data content; said second user decrypting said encrypted editing scenario by said secret-key and re-constituting said edited data content according to said decrypted editing scenario.