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System and method for using security levels to simplify security policy management

  • US 20050278790A1
  • Filed: 06/10/2004
  • Published: 12/15/2005
  • Est. Priority Date: 06/10/2004
  • Status: Abandoned Application
First Claim
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1. A computer-implemented method for providing secure execution of code units, the method comprising:

  • installing a plurality of code units on a computer system, wherein the code units are adapted to execute in a user-level runtime environment on the computer system;

    associating, with at least one of the code units, a privilege level selected from a plurality of privilege levels, wherein the privilege level corresponds to one or more individual runtime permissions associated with the user-level runtime environment;

    executing at least a portion of the associated code unit, wherein the portion of the associated code unit calls a process that has an assigned security level;

    comparing the associated privilege level with the assigned security level; and

    executing the called process in response to a first result of the comparison, thereby providing secure execution of the associated code unit.

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