Automobile anti-theft system and method

A car anti-theft system and car anti-theft technology, applied in the field of car anti-theft, can solve the problems of car theft risk and so on

Active Publication Date: 2021-12-21
ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The main purpose of the present invention is to provide a car anti-theft system and method, aiming to solve the technical problem that the existing bluetooth key controller and PEPS adopt clear text communication, and the car has the risk of being stolen

Method used

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  • Automobile anti-theft system and method
  • Automobile anti-theft system and method
  • Automobile anti-theft system and method

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no. 1 example

[0100] Based on the above-mentioned first embodiment, the automobile anti-theft method of this embodiment, in the step S30, includes:

[0101] Step S301: The bluetooth controller acquires byte information with a preset number of digits according to the random number information.

[0102] It should be noted that the Bluetooth controller receives the 64-bit random number message, and obtains the byte information of the preset digits according to the 64-bit random number message, that is, after the Bluetooth controller receives the 64-bit random number message sent by the keyless start module, Extract the agreed specific 8-bit data, refer to image 3 , image 3 The third byte data R2 is byte information with a preset number of digits in this embodiment.

[0103] Step S302: Generate initial reply information according to the byte information, the preset security code, and the location information.

[0104] It is easy to understand that the Bluetooth controller combines the loca...

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Abstract

The invention belongs to the technical field of automobile anti-theft, and discloses an automobile anti-theft system and method. The system includes a bluetooth controller and a keyless start module. When the keyless start module receives a keyless start request input by a user, it generates an identity authentication request containing random number information and sends it to the bluetooth controller; the bluetooth controller receives it in real time. The location information sent by the smart terminal generates encrypted information through random number information and a preset key and sends it to the keyless start module; the keyless start module decrypts the encrypted information to obtain decrypted information, and determines according to the decrypted information Whether to respond to keyless start requests. In the present invention, an encrypted interaction logic is added between the Bluetooth controller and the keyless start module to improve the anti-theft safety level of the keyless start module. Encrypted authentication is used between every two nodes in the entire car anti-theft system, and it is difficult for intruders to crack any one of them. Node, car anti-theft performance is greatly improved.

Description

technical field [0001] The invention relates to the technical field of automobile anti-theft, in particular to an automobile anti-theft system and method. Background technique [0002] Vehicle PEPS (Keyless Entry and Start System) has gradually replaced the traditional car operation method, that is, the remote control key is unlocked to enter, and the ignition lock is turned to start the engine. PEPS is realized by the cooperation of physical smart key, keyless entry start control unit, induction antenna, engine electronic control unit and other modules. This function allows the user to bring the smart key into the range of the vehicle induction antenna, without operating the key, to control the vehicle door lock by touching the door switch, and to control the engine start and stop through the start switch in the car. With the development of Bluetooth technology, PEPS supporting Bluetooth key function came into being. The system uses multiple internal and external Bluetoot...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60R25/20B60R25/04
CPCB60R25/20B60R25/04B60R2325/101B60R2325/108B60R2325/205
Inventor 鲍明旸涂川川丛明远钱宇俊范涛刘静吴全军张建伟
Owner ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD
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