US Patent 11433852 Remote control system for vehicle and operating method thereof

A remote control system for a vehicle including: a user terminal; and a vehicle configured to transmit/receive information to/from the user terminal through a communication network. The vehicle performs first authentication on a user by comparing a captured image of the user to a reference image in response to an unlocking signal or start-up request signal received from the user terminal, and transmits second authentication pre-processing information to the user terminal, the second authentication pre-processing information being obtained by generating an encryption key from a feature vector extracted from the image of the user and encrypting unique information of the user. The user terminal performs second authentication on the user by decrypting the second authentication pre-processing information received from the vehicle with a decryption key stored therein.