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Method and system for managing a data object so as to comply with predetermined condition for usage

  • US 8,479,306 B1
  • Filed: 05/27/1999
  • Issued: 07/02/2013
  • Est. Priority Date: 02/01/1995
  • Status: Expired due to Fees
First Claim
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1. A method of controlling the usage by a user of data objects so as to comply with a variable number of conditions for usage of the data objects, comprising:

  • providing at least two data packages, each data package comprising a data object and a user set of control data, which comprises at least one usage control element defining a usage of the data object which complies with the variable number of conditions, the data object being encrypted;

    examining the usage control elements of the at least two data packages to find a match;

    checking whether a data processor is capable of executing a security procedure specified in a security control element of the at least one usage control element, and disabling the usage when the data processor is not capable of executing the security procedure; and

    performing an action being specified in the user sets of control data of the at least two data packages and decrypting the data objects.

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