Patent ID: 6694235
Filing Date: 2004-02-17
Classification: G06F,G07C,H04L

Abstract:
A vehicular relay device, which is located between an in-vehicle LAN and a communication device that performs data communication with an external device located outside of a vehicle, wherein the in-vehicle LAN is arranged in the vehicle and is connected with a plurality of in-vehicle electronic devices, and the vehicular relay device relays communication between the external device and the in-vehicle electronic devices, the vehicular relay device comprising:a first identifying means, which identifies a requested in-vehicle electronic device from the in-vehicle electronic devices based on an access request for requesting access to the requested in-vehicle electronic device upon reception of the access request from the external device and determines whether the access request requires authentication of the external device based on a result of identification of the requested in-vehicle electronic device; a first authenticating means, which determines whether the external device has been authorized to access the in-vehicle electronic devices based on first authentication information, which is transmitted from the external device, when the first identifying means determines that the access request requires the authentication of the external device; and a first delivering means, which delivers communication data transmitted from the external device through the communication device to the requested in-vehicle electronic device when the first authenticating means determines that the external device has been authorized to access the in-vehicle electronic devices or when the first identifying means determines that the access request requires no authentication of the external device.