Vehicle virtual key authorization method and system, mobile terminals and server

The present invention provides a vehicle virtual key authorization method and system, mobile terminals and a server. The method comprises the steps of receiving form information sent by a first mobile terminal in a form of dark text; generating an authorization code according to the form information, and sending the authorization code to a second mobile terminal in the form of dark text, so as to enable the second mobile terminal to obtain response information according to the authorization code; receiving the response information sent by the second mobile terminal in the form of dark text; and after verification of the response information succeeds, sending the virtual key to the second mobile terminal in the form of dark text, so as to enable the second mobile terminal to control the vehicle. According to the method, the communication process can be encrypted, further, a dark text communication manner is adopted, so that the system security is improved; the user operation steps are simplified, the sharing process is more concise, and the user experience is enhanced; and three times of communication between the background and the mobile device ensures the reliability of the identity of the authorized person, and the system verification process is more rigorous.