Patent attributes
A vehicle control system, including: a vehicle control section and a control server, wherein: the vehicle control section generates a common key for special mode control by random number generation, outputs the generated common key to the control server, and stores the generated common key in secure storage including a function that protects integrity and confidentiality of data; the control server stores the common key, applies the common key to a control signal to generate a message authentication code, and outputs the message authentication code and the control signal; the vehicle control section applies the common key to the control signal to generate a message authentication code and, when the message authentication code matches the message authentication code, implements control according to the control signal in the special mode; and when control in the special mode ends, the control server erases the stored common key.
