Patent ID: 11932197
Assignee: TOYOTA MOTOR NORTH AMERICA, INC.
Field: Control (Instruments)
Classification: CPC B  G | IPC B  G

Claim 5:
6. A method comprising:
determining, by an authentication system, a benchmark response time for a wireless communications device to respond to a challenge based on one or more conditions of the wireless communications device;
setting a threshold response time to the benchmark response time;
sending, by the authentication system, a message to the wireless communications device, the message comprising the challenge;
receiving, by the authentication system, a response to the message from the wireless communications device within a response time; and
authenticating, by the authentication system, the wireless communications device based on the response time being less than the threshold response time,
wherein the determining the benchmark response time comprises:
receiving, by the authentication system, processor-load data from the wireless communications device; and
determining a maximum amount of time for the wireless communications device to respond to the challenge field based on the processor-load data.