Locking and unlocking system, portable terminal capable of communicating with server, locking and unlocking method executed by portable terminal, and non-transitory storage medium storing program

1. A locking and unlocking system comprising:

a portable terminal; and

a server capable of communicating with the portable terminal, wherein

the portable terminal includes:

a service providing unit configured to provide a use reservation service for a vehicle or facilities by communicating with another server, the other server being different from the server;

a first sending unit configured to send a first signal to the server in response to a request from the service providing unit, when a first operation is performed during execution of processing by the service providing unit for providing the use reservation service, the first signal requesting authentication information used for locking and unlocking the vehicle or the facilities; and

a first receiving unit configured to receive the authentication information from the server,

the server includes:

a second receiving unit configured to receive the first signal from the portable terminal; and

a second sending unit configured to send a second signal to the portable terminal when the second receiving unit receives the first signal, the second signal including the authentication information, and

the server is managed by another organization different from an organization managing the other server.

2. The locking and unlocking system according to claim 1 , wherein the portable terminal further includes:

a third sending unit configured to send a third signal to a predetermined device provided in the vehicle or the facilities in response to a request from the service providing unit when a second operation is performed during execution of processing by the service providing unit for providing the use reservation service, the third signal including the authentication information, the third signal requesting locking or unlocking of the vehicle or the facilities.

3. The locking and unlocking system according to claim 1 , wherein

the use reservation service is executed by an application program installed in the portable terminal, and

the first sending unit is configured to send the first signal to the server, when a user performs the first operation on the portable terminal during execution of the application program.

4. The locking and unlocking system according to claim 3 , wherein the first sending unit is configured to send the first signal to the server, when the user performs an input operation on the portable terminal to cause the portable terminal to send information, the information including a use reservation for the vehicle or the facilities, during execution of the application program.

5. The locking and unlocking system according to claim 2 , wherein the third sending unit is configured to send the third signal to the predetermined device when an operation to lock or unlock the vehicle or the facilities is performed.

6. A portable terminal capable of communicating with a server, comprising:

a service providing unit configured to provide a use reservation service for a vehicle or facilities by communicating with another server, the other server being different from the server;

a first sending unit configured to send a first signal to the server in response to a request from the service providing unit, when a first operation is performed during execution of processing by the service providing unit for providing the use reservation service, the first signal requesting authentication information used for locking and unlocking the vehicle or the facilities; and

a first receiving unit configured to receive the authentication information from the server,

wherein the server is managed by another organization different from an organization managing the other server.

7. The portable terminal capable of communicating with the server according to claim 6 , further comprising:

a third sending unit configured to send a third signal to a predetermined device provided in the vehicle or the facilities in response to a request from the service providing unit when a second operation is performed during execution of processing by the service providing unit for providing the use reservation service, the third signal including the authentication information, the third signal requesting locking or unlocking of the vehicle or the facilities.

8. The portable terminal capable of communicating with the server according to claim 6 , wherein

the use reservation service is executed by an application program installed in the portable terminal, and

the first sending unit is configured to send the first signal to the server, when a user performs the first operation on the portable terminal during execution of the application program.

9. The portable terminal capable of communicating with the server according to claim 8 , wherein the first sending unit is configured to send the first signal to the server when the user performs an input operation on the portable terminal to cause the portable terminal to send information, the information including a use reservation for the vehicle or the facilities, during execution of the application program.

10. The portable terminal capable of communicating with the server according to claim 7 , wherein the third sending unit is configured to send the third signal to the predetermined device when an operation to lock or unlock the vehicle or the facilities is performed.

11. A locking and unlocking method executed by a portable terminal, the portable terminal including a service providing unit, a first sending unit, and a first receiving unit, the portable terminal being capable of communicating with a server in which authentication information is stored, the locking and unlocking method executed by the portable terminal comprising:

providing, by the service providing unit, a use reservation service for a vehicle or facilities by communicating with another server, the other server different from the server;

sending, by the first sending unit, a first signal to the server in response to a request from the service providing unit when a first operation is performed during execution of processing by the service providing unit for providing the use reservation service, the first signal requesting the authentication information used for locking and unlocking the vehicle or the facilities; and

receiving, by the first receiving unit, the authentication information from the server,

wherein the server is managed by another organization different from an organization managing the other server.

12. The locking and unlocking method executed by the portable terminal according to claim 11 , wherein

the portable terminal further comprises a third sending unit, and

the method further comprises:

sending, by the third sending unit, a third signal to a predetermined device provided in the vehicle or the facilities in response to a request from the service providing unit, when a second operation is performed during execution of processing by the service providing unit for providing the use reservation service, the third signal including the authentication information, the third signal requesting locking or unlocking of the vehicle or the facilities.

13. The locking and unlocking method executed by the portable terminal according to claim 11 , wherein

the use reservation service is executed by an application program installed in the portable terminal, and

the first signal is sent to the server by the first sending unit when a user performs the first operation on the portable terminal during execution of the application program.

14. The locking and unlocking method executed by the portable terminal according to claim 13 , wherein the first signal is sent to the server by the first sending unit when the user performs an input operation on the portable terminal to cause the portable terminal to send information, the information including a use reservation for the vehicle or the facilities, during execution of the application program.

15. The locking and unlocking method executed by the portable terminal according to claim 12 , wherein

the sending the third signal to the predetermined device when the second operation is performed includes

sending the third signal to the predetermined device when an operation to lock or unlock the vehicle or the facilities is performed.

16. A non-transitory storage medium storing a program, the program being installed in a portable terminal capable of communicating with a first server in which authentication information is stored and a second server which provides a use reservation service for a vehicle or facilities, the authentication information being used for locking or unlocking the vehicle or the facilities, wherein

the program is configured to cause the portable terminal to:

provide the use reservation service by communicating with the second server; and

send a first signal to the first server, when a first operation is performed, the first operation relating to a reservation made by the use reservation service, the first signal requesting the first server to send the authentication information used for locking and unlocking the vehicle or the facilities to the portable terminal, and

the server is managed by another organization different from an organization managing the other server.