Patent ID: 7734050
Filing Date: 2010-06-08
Classification: H04L

Abstract:
1. A method of assigning a plurality of private keys to a vehicle in a wireless system, the method comprising: generating a vehicle identifier that is indicative of the vehicle based on at least one of a hardware configuration and a software configuration of the vehicle such that the vehicle identifier changes when the at least one of the hardware configuration and the software configuration changes; encrypting the vehicle identifier at the vehicle; sending a request for the private keys with the encrypted vehicle identifier from the vehicle to a certificate authority; obtaining an authentication of the vehicle based on the encrypted vehicle identifier to assign the private keys to the vehicle; selecting the plurality of private keys from a pool of common private keys, at least one of the selected private keys being used for encrypting a message at the vehicle, and each of the private keys in the pool of common private keys being shared by a plurality of vehicles; sending the selected private keys to the vehicle; and storing the selected private keys in the vehicle.