Extra-vehicular communication device, communication control method, and communication control program

An extra-vehicular communication device installed in a vehicle and capable of communicating with an external device outside the vehicle, the extra-vehicular communication device comprising:

• a storage unit that stores normal-time operation information regarding a predetermined operation in a normal time;
• a main control unit that performs processing based on the normal-time operation information;
• a secure storage unit that has a tamper-resistant secure area and stores, in the secure area, at least one of communication destination information regarding a communication destination outside the vehicle and emergency operation information regarding a predetermined operation in an emergency;
• and
• a secure control unit that is capable of accessing the secure area and performs, instead of the main control unit, at least one of control of communication with the communication destination by use of the communication destination information and processing based on the emergency operation information when unauthorized access in in-vehicle equipment installed in the vehicle is detected.

An extra-vehicular communication device installed in a vehicle and capable of communicating with an external device outside the vehicle, the extra-vehicular communication device comprising:

• a control unit;
• and
• a storage unit that has a secure area to which access from the control unit is permitted when the control unit outputs predetermined information, the storage unit storing, in the secure area, at least one of communication destination information regarding a communication destination outside the vehicle and emergency operation information regarding a predetermined operation in an emergency,
• wherein when unauthorized access in in-vehicle equipment installed in the vehicle is detected, the control unit performs at least one of control of communication with the communication destination by use of the communication destination information and processing based on the emergency operation information.

An extra-vehicular communication device installed in a vehicle and capable of communicating with an external device outside the vehicle, the extra-vehicular communication device comprising:

• a storage unit that stores normal-time operation information regarding a predetermined operation in a normal time;
• a main control unit that performs processing based on the normal-time operation information;
• a secure storage unit that has a secure area and stores, in the secure area, at least one of communication destination information regarding a communication destination outside the vehicle and emergency operation information regarding a predetermined operation in an emergency;
• and
• a secure control unit that is capable of accessing the secure area and performs, instead of the main control unit, at least one of control of communication with the communication destination by use of the communication destination information and processing based on the emergency operation information when unauthorized access in in-vehicle equipment installed in the vehicle is detected.