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Data management system

  • US RE43,599 E1
  • Filed: 02/01/2007
  • Issued: 08/21/2012
  • Est. Priority Date: 10/27/1994
  • Status: Expired due to Term
First Claim
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1. 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.

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