System and method for certificate selection in vehicle-to-vehicle applications to enhance privacy

A non-transitory computer readable medium comprising computer executable instructions for selecting certificates for vehicle-to-vehicle messaging, the instructions comprising instructions for:

• determining a location for a vehicle;
• and
• adapting reuse of certificates in a certificate pool for the vehicle according to the location by increasing or decreasing a sub-pool of certificates for the location or increasing or decreasing a frequency of reuse of the certificates, according to how frequently the vehicle is in the location.

A device located in or on a vehicle for selecting certificates for vehicle-to-vehicle messaging, the device comprising a processor, at least one memory, and at least one communication interface, the memory storing computer executable instructions for determining a location for a vehicle;

• and adapting reuse of certificates in a certificate pool for the vehicle according to the location by increasing or decreasing a sub-pool of certificates for the location or increasing or decreasing a frequency of reuse of the certificates, according to how frequently the vehicle is in the location.

A method of selecting certificates for vehicle-to-vehicle messaging, the method comprising:

• determining an amount of messaging activity;
• and
• adapting reuse of certificates in a certificate pool for a vehicle according to the amount of messaging activity by increasing or decreasing a frequency of reuse of the certificates according to how frequently the vehicle receives messages from other devices.