Patent ID: 9461827
Filing Date: 2016-10-04
CPC Classification: H04L,H04W

Claim Text:
1. In a vehicle-to-vehicle communication system utilizing certificate(s) to verify trustworthiness of received communications, a method for distributing a list of certificate revocations to vehicles in the communication system comprising the steps of: a main station transmitting at a frequency a list of certificate revocations to at least one vehicle in a vicinity of said main station and within radio communication at said frequency, said at least one vehicle thereafter transmitting said list of certificate revocations to other vehicles in the communication system when said vehicle is outside said vicinity of said main station and outside radio communication with said main station at said frequency, each of said other vehicles updating its list of certificate revocations in response to the receipt of the list of certificate revocations from another vehicle in the system, and said other vehicles thereafter transmitting their updated list of certificate revocations to other vehicles in the system outside said vicinity of said main station and outside radio communication with said main station at said frequency.