Patent ID: 6823457
Filing Date: 2004-11-23
Classification: H04L

Abstract:
A method for detecting an attempt to install an unauthorized non-proprietary device on a non-proprietary bus that is coupled to a proprietary bus via a gateway controller within a vehicle environment, said method comprising:in response to a coupling of a non-proprietary device to a non-proprietary bus within a vehicle environment, determining whether or not said non-proprietary device has been registered to more than one gateway controller; in response to a determination that said non-proprietary device has been registered to more than one gateway controller, determining whether or not said non-proprietary device is a portable device; in response to a determination that said non-proprietary device is a portable device, determining whether or not a predetermined number of acceptable multiple registrations for a portable device in more than one gateway controller has been exceeded; and in response to a determination that said predetermined number of acceptable multiple registrations for a portable device in more than one gateway controller has been exceeded, setting a flag to indicate said non-proprietary device is not authorized to access a proprietary bus that is coupled to said non-proprietary bus within said vehicle environment.