Key information management device, key information management method, and non-transitory computer-readable recording medium

A key information management method that is executed by a key information management device, the key information management method comprising:

• delivering key information to a mobile terminal as the mobile terminal transmits a predetermined transmission signal toward a vehicle, the key information being information for unlocking the vehicle, starting the vehicle, or unlocking and starting the vehicle;
• and
• registering permission for a user of the vehicle to use a predetermined service using the vehicle, the permission being permission to deliver the key information to another third party mobile terminal of a third party concerned with the predetermined service, other than the user of the vehicle, as an external server device concerned with the predetermined service transmits a predetermined request signal.

A non-transitory computer-readable recording medium comprising a key information management program recorded on the recording medium, the key information management program causing an information processing device to execute instructions for:

• delivering key information to a mobile terminal as the mobile terminal transmits a predetermined transmission signal toward a vehicle, the key information being information for unlocking the vehicle, starting the vehicle, or unlocking and starting the vehicle;
• and
• registering permission for a user of the vehicle to use a predetermined service using the vehicle, the permission being permission to deliver the key information to another third party mobile terminal of a third party concerned with the predetermined service, other than the user of the vehicle, as an external server device concerned with the predetermined service transmits a predetermined request signal.