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Secure processing environment

  • US 20060090084A1
  • Filed: 01/26/2005
  • Published: 04/27/2006
  • Est. Priority Date: 10/22/2004
  • Status: Active Grant
First Claim
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1. A method of modifying an embedded processing system to incorporate security functionality, comprising:

  • providing an embedded processing system to be modified;

    incorporating at least one security peripheral into the embedded processing system;

    defining at least one secure operating mode and at least one open operating mode for the embedded processing system; and

    providing open operating mode access restrictions for at least a portion of the security peripherals.

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