CPC H04W 12/041 (2021.01) [H04L 9/06 (2013.01); H04W 8/18 (2013.01); H04W 12/0431 (2021.01)] | 19 Claims |
1. A method comprising:
generating, by a vehicle service subscriber system having at least one processor, an entropy, the vehicle service subscriber system associated with a vehicle service subscriber;
receiving, by the vehicle service subscriber system using the at least one processor, a salt message from the vehicle service provider system indicating a lack of a scheduled salt update;
responsive to receipt of the salt message, transmitting, by the vehicle service subscriber system using the at least one processor, a synchronization message to a vehicle service provider system associated with at least one vehicle, the synchronization message comprising the entropy;
receiving, by the vehicle service subscriber system using the at least one processor, a salt from the vehicle service provider system;
verifying, by the vehicle service subscriber system using the at least one processor, that the salt was generated using the entropy;
calculating, by the vehicle service subscriber system using the at least one processor, session keys using the salt;
receiving, by the vehicle service subscriber system using the at least one processor, a protected message from the vehicle service provider system; and
authenticating, by the vehicle service subscriber system using the at least one processor, the protected message using the session keys, wherein the protected message is used to provide a ride involving the at least one vehicle.
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