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System and method for securely storing firmware

  • US 20060174109A1
  • Filed: 02/01/2006
  • Published: 08/03/2006
  • Est. Priority Date: 02/02/2005
  • Status: Active Grant
First Claim
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1. A method of providing secure storage for firmware in a computing device that executes from a ROM prior to the loading of the operating system, comprising:

  • providing a designated secure storage container holding firmware, the firmware being executed prior to the loading of the operating system for the computing device;

    encrypting the designated secure storage container using a secure storage encryption key;

    including a reference to the encrypted storage container in a build of firmware placed in a ROM image, writing the encrypted secure storage container to secondary storage outside the ROM using at least one unique identifier;

    using the reference in the ROM image to retrieve the encrypted secure storage container prior to the loading of the operating system for the computing device.

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