Patents by Inventor Amiel DeVoursney

Amiel DeVoursney has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • System validation by hardware root of trust (HRoT) device and system management mode (SMM)
    Patent number: 11379588
    Abstract: Techniques are disclosed for assessment and verification of processor configuration and settings using System Management Mode (SMM) in conjunction with a hardware root of trust (HRoT). A method may include receiving custom boot codes from a security device, the custom boot codes configured to install a security module to process a periodic System Management Interrupt (SMI), configure the periodic SMI for initiation, and configure at least one configuration register for validation in response to execution of the security module. The method may also include responsive to initiation of the configured periodic SMI, validating, using the security device, the at least one configuration register.
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: July 5, 2022
    Assignee: Raytheon Company
    Inventors: Trevor B. Hird, Jody R. Coleman, Amiel DeVoursney
  • SYSTEM VALIDATION BY HARDWARE ROOT OF TRUST (HROT) DEVICE AND SYSTEM MANAGEMENT MODE (SMM)
    Publication number: 20210192050
    Abstract: Techniques are disclosed for assessment and verification of processor configuration and settings using System Management Mode (SMM) in conjunction with a hardware root of trust (HRoT). A method may include receiving custom boot codes from a security device, the custom boot codes configured to install a security module to process a periodic System Management Interrupt (SMI), configure the periodic SMI for initiation, and configure at least one configuration register for validation in response to execution of the security module. The method may also include responsive to initiation of the configured periodic SMI, validating, using the security device, the at least one configuration register.
    Type: Application
    Filed: December 20, 2019
    Publication date: June 24, 2021
    Applicant: Raytheon Company
    Inventors: Trevor B. Hird, Jody R. Coleman, Amiel DeVoursney