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Method for identifying calls in java packages whose targets are guaranteed to belong to the same package

  • US 6,526,571 B1
  • Filed: 03/16/1999
  • Issued: 02/25/2003
  • Est. Priority Date: 03/16/1999
  • Status: Expired due to Term
First Claim
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1. A method for identifying calls in a Java sealed package whose targets are guaranteed to belong to said sealed package, comprising the steps of:

  • (a) verifying that a Java package is sealed and signed;

    (b) obtaining a class hierarchy graph for classes and interfaces of said package;

    (c) obtaining access permissions of respective components in said package; and

    (d) using the class hierarchy graph and access permissions in combination with a knowledge that said package is sealed and signed to determine whether all the targets of the calls are guaranteed to belong to said package.

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