Update control apparatus, software update system, and update control method

A software update system comprising:

• a terminal connected to a network;
• and
• an update control apparatus to control update of software in the terminal,
• the update control apparatus including:
• a first communication circuit configured to communicate with a server located outside the network;
• a second communication circuit configured to communicate with the terminal through the network;
• a processor configured to:
• receive update data to update the software from the server using the first communication circuit;
• transmit the update data to the terminal using the second communication circuit;
• receive an update result indicating whether update of the software has succeeded, together with verification data, from the terminal using the second communication circuit;
• and
• verify, using the verification data, whether the update result is proper data.

An update control method executed in an update control apparatus to control update of software in a terminal connected to a network, the update control method comprising:

• receiving update data to update the software from a server located outside the network using a first communication circuit configured to communicate with the server;
• transmitting the update data to the terminal using a second communication circuit configured to communicate with the terminal through the network;
• receiving an update result indicating whether update of the software has succeeded, together with verification data, from the terminal using the second communication circuit;
• and
• verifying, using the verification data, whether the update result is proper data.