Vehicle anti-theft method and vehicle anti-theft system

A vehicle anti-theft method implemented by at least a vehicle electronic anti-theft system, a chassis electronic control unit, a transmission electronic control unit, a powertrain electronic control unit, and an electronic parking brake, the method comprising:

• performing an initial configuration step comprising:
• writing a PIN and secret key parameters from the vehicle electronic anti-theft system to the transmission electronic control unit;
• and
• writing the PIN and the secret key parameters from the vehicle electronic anti-theft system to the powertrain electronic control unit;
• performing a random number generation step in which the chassis electronic control unit generates a random number and sends the random number to the vehicle electronic anti-theft system;
• performing an anti-theft authentication step in which an anti-theft authentication between the chassis electronic control unit and the vehicle electronic anti-theft system is performed based on the random number, the PIN, and the secret key parameters initially configured in the chassis electronic control unit and the vehicle electronic anti-theft system, the anti-theft authentication producing an anti-theft authentication result;
• and
• performing an anti-theft control step in which the electronic parking brake controls whether to unlock wheel calipers based on the anti-theft authentication result.

A vehicle anti-theft system, comprising:

• a vehicle electronic anti-theft system;
• a chassis electronic control unit;
• and
• an electronic parking brake,
• wherein:
• the vehicle electronic anti-theft system is configured to:
• initially configure PIN and secret key parameters;
• receive a random number from the chassis electronic control unit;
• and
• perform anti-theft authentication actions across the chassis electronic control unit based on the random number and the PIN and secret key parameters initially configured by the vehicle electronic anti-theft system,
• the chassis electronic control unit is configured to:
• initially configure PIN and secret key parameters;
• generate a random number and send the random number to the vehicle electronic anti-theft system;
• and
• perform anti-theft authentication actions across the vehicle electronic anti-theft system based on the random number and the PIN and secret key parameters initially configured in the chassis electronic control unit, and obtain an anti-theft authentication result;
• and
• output the anti-theft authentication result, and
• the electronic parking brake is configured to:
• receive the anti-theft authentication result from the chassis electronic control unit;
• and
• control whether the electronic parking brake unlocks wheel calipers based on the anti-theft authentication result.