Server device, trunk share system, information processing method, and non-transitory computer-readable medium storing information processing program

A trunk share system comprising:

• a delivery terminal that is used by a person that carries out delivery work for delivering a delivery article into an interior of a vehicle;
• a user terminal that is used by a user of the vehicle;
• a first server device that is configured to manage the delivery work for the delivery article;
• and
• a second server device that is configured to manage the vehicle, wherein
• the delivery terminal is configured to make a request for issuance of predetermined authentication information that is needed to unlock and lock a door of the vehicle,
• the first server device is configured to make confirmation as to whether the user is a rightful recipient of the delivery article by communicating with the user terminal upon receiving the request for issuance of the predetermined authentication information from the delivery terminal, and to transmit predetermined proof information for proving that the user is the rightful recipient of the delivery article and the request for issuance of the predetermined authentication information to the second server device when the confirmation is successful, and
• the second server device is configured to acquire the predetermined authentication information based on vehicle information including information for identifying the vehicle, and to transmit the acquired predetermined authentication information to the delivery terminal, upon receiving the predetermined proof information and the request for issuance of the predetermined authentication information from the first server device.