Digital Key System for Vehicles and Operating Method Thereof

A method performed by an apparatus of a vehicle, the method comprising:

• detecting a user terminal being located within a threshold distance from the vehicle;
• based on the detecting of the user terminal located within the threshold distance from the vehicle, transmitting, to the user terminal via a digital key management server, a digital key authentication request;
• receiving, from the digital key management server, an authentication response indicating a result of authentication performed, based on biometric identification information of a user, by the user terminal;
• and
• performing, based on the authentication response, an operation of the vehicle.

A method performed by a server, the method comprising:

• receiving, from a vehicle and based on a user terminal being located within a threshold distance from the vehicle, a digital key authentication request;
• transmitting, to the user terminal, the digital key authentication request;
• receiving, from the user terminal, an authentication response indicating a result of authentication performed, based on biometric identification information of a user, by the user terminal;
• and
• causing the vehicle to perform an operation, wherein the causing of the vehicle to perform the operation comprises transmitting the authentication response to the vehicle.