US Patent 11016755 System and method to secure embedded controller flashing process

Methods, systems, and computer programs for receiving, by an embedded controller (EC), an EC firmware update from a central processing unit (CPU); storing the EC firmware update into a buffer region of a flash memory medium via a first bus, the first bus communicatively coupling the EC and the flash memory medium; verifying the EC firmware update stored in the buffer region of the flash memory medium; and in response to verifying the EC firmware update: storing the verified EC firmware update into a primary region of the flash memory medium; and loading the verified EC firmware update from the primary region into an EC memory medium of the EC via the first bus.