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Apparatus for preventing digital piracy

  • US 20080229117A1
  • Filed: 03/07/2008
  • Published: 09/18/2008
  • Est. Priority Date: 03/07/2007
  • Status: Abandoned Application
First Claim
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1. A method for preventing digital piracy in a computing environment, comprising:

  • loading an application into the computing environment, wherein the application is encrypted using a cryptographic key;

    assigning a virtual address space to the application;

    loading the cryptographic key for the application into a register which is accessible only by a central processing unit; and

    storing an index value for the key in the register in a page table entry which corresponds to the virtual address space for the application, thereby linking the virtual address space to the key for the application.

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