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Vehicle anti-theft system and method

A vehicle anti-theft and vehicle technology, applied in the field of vehicle anti-theft systems and vehicle anti-theft, can solve the problem of PKES being vulnerable to relay attacks and the like

Active Publication Date: 2016-11-23
FUDING PRECISION COMPONENTS SHENZHEN
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0003] Of course, PKES is vulnerable to relay attacks

Method used

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  • Vehicle anti-theft system and method
  • Vehicle anti-theft system and method
  • Vehicle anti-theft system and method

Examples

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Embodiment Construction

[0023] Please also refer to figure 1 and figure 2 , figure 1 It is a functional block diagram of a vehicle anti-theft control system S1, the vehicle anti-theft control system S1 operates in such as figure 2 The key fob 100 is shown along with the vehicle 200 .

[0024] The smart key 100 includes a first storage unit 110 , a first processing unit 120 , a first radio receiving unit 130 and a first radio transmitting unit 140 .

[0025] The first storage unit 110 stores the preset communication identification code of the vehicle 200 and the communication identification code of the smart key 100 .

[0026] The first storage unit 110 stores a key for decoding a low-frequency signal or a high-frequency signal emitted from the vehicle 200 .

[0027] In this embodiment, the first radio receiving unit 130 includes a low frequency receiving unit 1301 and a high frequency receiving unit 1302 . The first radio transmitting unit 140 is a high frequency transmitting unit.

[0028] T...

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Abstract

The invention provides a vehicle anti-theft control system which comprises a first emission control module, a first verification module, an instruction obtaining module, a parameter setting module and a vehicle start module. The first emission control module is used for emitting a wireless electric signal containing a communication recognition code of an intelligent key; the first verification module is used for judging whether the communication recognition code coincides with a preset communication recognition code; the instruction obtaining module is used for emitting a wireless electric signal containing a control instruction when the communication recognition code coincides with the preset communication recognition node; the parameter setting module is used for setting the communication parameters of the intelligent key according to the control instruction and emitting a wireless electric signal containing the set communication parameters; the first verification module is further used for judging whether the set communication parameters coincide with a computing result matched with the control instruction; the vehicle start module is used for controlling a vehicle to be started when the set communication parameters coincide with the computing result. The invention further provides a vehicle anti-theft control method. By changing the communication parameters of the intelligent key, a third party can be prevented from stealing vehicles.

Description

technical field [0001] The invention relates to a vehicle anti-theft system and a vehicle anti-theft method, in particular to a vehicle anti-theft system and a vehicle anti-theft method capable of preventing relay attacks from a second party. Background technique [0002] Automobile smart keyless entry system, referred to as PKES (PASSIVE KEYLESS ENTER SYSTEM), means that the communication between the vehicle and the smart key can send a low-frequency signal through the vehicle, and the smart key returns a high-frequency signal after receiving the low-frequency signal, and passes the authentication in the signal Mechanism to achieve two-way communication and start the technology of the vehicle. [0003] Of course, PKES is vulnerable to relay attacks. Under normal circumstances, when the vehicle user closes the vehicle and goes out to run errands, the second party can use the relay signal to deceive the vehicle, making the vehicle mistakenly believe that the user has sent th...

Claims

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Application Information

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IPC IPC(8): B60R25/24
CPCB60R25/241B60R2325/10
Inventor 柯宏昌
Owner FUDING PRECISION COMPONENTS SHENZHEN
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