Patent ID: 11871234
Assignee: TRANSPORTATION IP HOLDINGS, LLC
Field: Digital communication (Electrical engineering)
Classification: CPC B  H | IPC H

Claim 9:
10. A vehicle-to-vehicle key exchange system, comprising:
a central office server comprising one or more processors configured to:
obtain, from a first on-board computer of a first vehicle, a first secret and a first public key; and
obtain, from a second on-board computer of a second vehicle, a second secret and a second public key; and
receive from the second on-board computer a digitally signed second public key based on a second private key associated with the second on-board computer;
authenticate the first public key of the first vehicle based on the first private key associated with the first on-board computer of the first vehicle;
authenticate the second public key of the second vehicle based on the second private key associated with the second on-board computer of the second vehicle;
prevent a man-in-the-middle attack, by securing at least one of a first vehicle-to-central office communication, a central office-to-first vehicle communication, or a first vehicle-to-second vehicle, wherein the first vehicle-to-central office communication and the central office-to-first vehicle communication are authenticated based on a determined private key associated with a respective first vehicle on-board computer;
send a message, with the central office server, to a vehicle associated with a conditional movement authority.