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Method and system for remotely controlling vehicle on basis of encryption algorithm

A technology of remote control and encryption algorithm, which is applied in the field of automotive electrical, can solve the problems of inability to tamper, simple, single message, etc., and achieve the effect of improving competitiveness

Active Publication Date: 2017-07-14
SHAANXI HEAVY DUTY AUTOMOBILE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in this patent application, the heartbeat message is used, which belongs to the plain text message, and the message is single and simple, and it is easy to crack
If the starting circuit harness is short-circuited, the remote system cannot be controlled; and it cannot be tampered with, which cannot solve the fundamental problem

Method used

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  • Method and system for remotely controlling vehicle on basis of encryption algorithm
  • Method and system for remotely controlling vehicle on basis of encryption algorithm
  • Method and system for remotely controlling vehicle on basis of encryption algorithm

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Embodiment 1

[0024] Embodiment 1. The activation message sent by the smart terminal contains three parts, one of which is the activation password. In this embodiment, the activation password is defined as the hexadecimal two-byte content 0C2E. This password is stored in the data in advance. The second is the identification code GPS ID of the terminal; the last part is a fixed password, which is a three-byte password in this embodiment. When the terminal sends an activation message, the engine ECU compares the activation lock password in the message with the activation lock password recorded in the engine ECU, and the engine unlocks the car lock function.

[0025] As an alternative embodiment, after the engine ECU receives the activation lock message sent by the terminal, it can enable the lock function immediately without verifying the activation password.

[0026] As an alternative embodiment, the engine also stores the terminal identification code GPS ID in the activation message sent b...

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Abstract

A system for remotely controlling a vehicle on the basis of an encryption algorithm comprises a remote control center, a vehicle-mounted intelligent terminal and an engine ECU; the remote control center communicates with the vehicle-mounted intelligent terminal through a wireless network; the vehicle-mounted intelligent terminal is connected with the engine ECU via a CAN bus; the vehicle-mounted intelligent terminal is used for receiving a vehicle locking activating instruction, which is transmitted by the remote control center to the vehicle-mounted intelligent terminal, and is also used for transmitting a vehicle locking activating message to the engine ECU; the engine ECU is used for activating an engine vehicle locking function after receiving the vehicle locking activating message; and meanwhile, the vehicle-mounted intelligent terminal and the engine ECU generate a closing vehicle-locking password which corresponds to a vehicle locking activating password included in the vehicle locking activating message by using the same algorithm and respectively store the closing vehicle-locking password. Dealers can remotely control vehicles with malicious loan delinquency; therefore, legal running and operation of the vehicle are normalized, the competitive powers of complete vehicle manufacturers are enhanced, and the healthy growth of the whole industry including banks, enterprises, dealers and consumers is promoted.

Description

technical field [0001] The invention relates to a remote control vehicle method and system based on an encryption algorithm, which belongs to the technical field of automobile electrics. Background technique [0002] At present, many customers maliciously default on loans when purchasing vehicles. Dealers have not implemented effective methods to control them, so they request to install a device on the vehicle that can remotely control the use of vehicles. At present, lock-start is generally used in the automotive field. Loop or simple password for remote lock control. [0003] Invention Patent Application No. 201310028031.3 proposes a remote intelligent car locking device and method, which includes: a vehicle-mounted intelligent terminal, a remote control terminal, a lock start unit and an engine ECU; wherein, the vehicle-mounted intelligent terminal sends a communication message to the CAN bus of the vehicle body in real time. The lock start unit and the engine ECU receiv...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60R25/20B60R25/24G07C9/00
CPCB60R25/2018B60R25/209B60R25/24G07C9/00309
Inventor 王丽萍刘志勇马继周
Owner SHAANXI HEAVY DUTY AUTOMOBILE
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