NEAR-FIELD COMMUNICATION METHOD IMPLEMENTED WITHIN A VEHICLE

A method for near-field communication implemented within a motor vehicle including steps, executed by an NFC reader, of: storing, as it is received and in a memory of the NFC reader, data pairs of portable devices located in the vicinity of the NFC reader, with each stored data pair including an application identifier corresponding to a predetermined authorized application identifier; transmitting, when the data pairs have been received, all the stored data pairs to a controller; receiving, from the controller, a request for an authentication key associated with a selected data pair; and transmitting the received authentication key to the controller for controlling a function of the vehicle when the transmitted authentication key corresponds to an authorized authentication key.