CHARGE CONTROL METHOD, CHARGE CONTROL DEVICE, AND COMPUTER PROGRAM PRODUCT

A charge control method includes: performing, based on software information including at least firmware information of an electronic control device mounted on an electric vehicle, a first determination to determine presence or absence of a security risk to a plurality of driving control functions of the electric vehicle arising from firmware of the electronic control device, and a second determination to determine whether after at least one driving control function having the security risk from among the plurality of the driving control functions is disabled, a second driving control function enables traveling and the security risk of the electric vehicle is avoidable; and permitting power supply of the power supply apparatus to the electric vehicle after disabling the at least one driving control function when the second driving control function enables traveling and the security risk is avoidable after the at least one driving control function is disabled.