ALEXANDRIA, Va., May 12 -- United States Patent no. 12,625,968, issued on May 12, was assigned to Verkada Inc. (San Mateo, Calif.).
"Microcontroller unit (MCU) secure boot" was invented by Andrei Goverdovskii (San Mateo, Calif.) and Nick Pelis (San Francisco).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method includes building a firmware image to execute on a bootloader of a system on chip (SoC), the firmware image including first encryption public and private keys, and digitally signing the firmware image with a second encryption private key. The signed firmware image is encrypted with a symmetric encryption key, which in turn is encrypted with a second encryption public key. The encrypted signed firmwa...