DISTRIBUTION DEVICE, KEY INFORMATION SHARING SYSTEM, METHOD OF CONTROLLING DISTRIBUTION DEVICE, AND RECORDING MEDIUM

A server comprises circuitry configured to distribute key information to a first portable terminal. The key information includes information indicating whether locking and unlocking of a vehicle, making the vehicle travel, and using a content providing device that provides digital contents in a vehicle cabin are permitted. The key information further includes restricted function information indicating that locking and unlocking of the vehicle and use of the content providing device are permitted but traveling of the vehicle is not permitted. The key information further includes deliverable information making the key information deliverable to another terminal. The deliverable information is excluded from the key information when the key information is sent from the first portable terminal to a second portable terminal.