Patents by Inventor Ralf Thor

Ralf Thor 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).

  • Secure boot device
    Patent number: 11698971
    Abstract: One embodiment is a device comprising a controller for verifying a digital signature of a process, a memory for storing an indication from the controller that the digital signature was verified the indication including at least one symmetric key, and a bootloader for receiving the indication from the memory and performing at least one security check using the at least one symmetric key, wherein the bootloader executes a function of the external process, only when it passes the security check.
    Type: Grant
    Filed: April 15, 2021
    Date of Patent: July 11, 2023
    Assignee: HONEYWELL INTERNATIONAL INC.
    Inventors: Ralf Thor, Nagaraja Sundaresh, Francois Vincent, Pradeep Durgam
  • SECURE BOOT DEVICE
    Publication number: 20220335132
    Abstract: One embodiment is a device comprising a controller for verifying a digital signature of a process, a memory for storing an indication from the controller that the digital signature was verified the indication including at least one symmetric key, and a bootloader for receiving the indication from the memory and performing at least one security check using the at least one symmetric key, wherein the bootloader executes a function of the external process, only when it passes the security check.
    Type: Application
    Filed: April 15, 2021
    Publication date: October 20, 2022
    Inventors: Ralf Thor, Nagaraja SUNDARESH, Francois VINCENT, Pradeep DURGAM