Patent ID: 9246689
Filing Date: 2016-01-26
CPC Classification: H04L,Y04S

Claim Text:
1. A method to establish secure communications to manage components of a control system, the method comprising: receiving a request to join a first hardware component to a cluster of hardware components; verifying the first hardware component based on a class of the first hardware component by matching the class to a predetermined list of expected classes including: a critical operation class, an entertainment class, an environment class, and a peripheral class; marking a command from the first hardware component with a signature; establishing a secure communication path between the first hardware component and a second hardware component from the cluster based on the signature; transmitting the command between the first hardware component and the second hardware component through the secure communication path; preventing a transmission and an execution of another command associated with the first hardware component in response to a determination that the other command lacks the signature; and in response to detecting a removal of the first hardware component: