WO2009105946A1 - 汽车中控防盗方法及系统 - Google Patents
汽车中控防盗方法及系统 Download PDFInfo
- Publication number
- WO2009105946A1 WO2009105946A1 PCT/CN2008/071486 CN2008071486W WO2009105946A1 WO 2009105946 A1 WO2009105946 A1 WO 2009105946A1 CN 2008071486 W CN2008071486 W CN 2008071486W WO 2009105946 A1 WO2009105946 A1 WO 2009105946A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- central control
- control system
- management system
- engine management
- state
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/01—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens
- B60R25/04—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens operating on the propulsion system, e.g. engine or drive motor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/20—Means to switch the anti-theft system on or off
- B60R25/24—Means to switch the anti-theft system on or off using electronic identifiers containing a code not memorised by the user
Definitions
- the invention belongs to the technical field of automobile anti-theft, and particularly relates to a vehicle-controlled anti-theft method and system.
- the traditional body anti-theft method controls the opening and closing of the door by the remote controller attached to the anti-theft device. If the door is not opened by the remote control, the anti-theft device will sound an audible and visual alarm. In addition, it can also be equipped with functions such as vibration detection and gate protection. When the vehicle is shocked, the alarm will also give an alarm. However, this anti-theft method does not substantially prevent car theft.
- the engine locks the anti-theft method, which can prevent theft of the car by locking the engine, but this method requires the addition of new hardware devices for notifying the engine at the same time as the sound and light alarm.
- the management system locks the engine and increases the cost of the car alarm system.
- the invention integrates some advantages of the vehicle body anti-theft and the engine lock anti-theft, and forms a new type of central control anti-theft method and system, and realizes safer vehicle anti-theft by a low-cost method, and the vehicle can be saved after applying the anti-theft system.
- the invention provides a vehicle central control anti-theft method, comprising:
- the central control system authenticates the remote controller through password matching
- the central control system selects the alert state according to the identity verification result of the remote controller, the ignition switch state, and the switch action of the door, and sends the alert state to the engine management system;
- the engine management system receives the alert status sent by the central control system, and performs identity verification on the central control system by matching the password;
- the engine management system and the central control system perform safety certification through two-way encrypted communication;
- the invention also provides an automobile central control anti-theft system, which is composed of a remote controller, a central control system and an engine management system;
- the central control system authenticates the remote controller by cryptographic matching; the engine management system communicates with the central control system by means of a data bus, and the identity of the central control system is matched by password matching. Verification; secure authentication with the central control system through two-way encrypted communication, and lock or unlock the engine according to the result of the safety certification.
- Figure 1 is a flow chart showing the operation of the anti-theft system of the present invention
- FIG. 2 is a schematic diagram of the warning state transition of the central control system of the present invention.
- FIG. 2A is a schematic diagram of the alarm state transition of the central control system when the ignition switch is in the off state;
- FIG. 2B is a schematic diagram of the alarm state transition of the central control system when the ignition switch is in the on state; ;
- Figure 3 is a schematic diagram of the authentication process of the central control system and the engine management system
- FIG. 4 is a schematic structural view of a central control system of the present invention.
- Figure 6 is a high-speed CAN reference circuit diagram of the central control system
- Figure 7 is a schematic diagram of the LIN bus or K-Line reference circuit of the central control system.
- vehicle central control method of the present invention including:
- the remote controller and the controller of the central control system are authenticated by password matching.
- the matching password method can be a secure rolling code algorithm such as Keelog or AES.
- the central control system selects the alert state according to the identity verification result of the remote controller and the central control system, the state of the ignition switch, and the switching action of the door;
- the central control system sends a warning status to the engine management system through the matching of the password, and launches The machine management system performs authentication; the matching password mode may be a secure rolling code algorithm such as Keelog or AES.
- the engine management system and the central control system perform safety certification through two-way encrypted communication
- the engine management system locks or unlocks the engine according to the result of the safety certification; wherein the remote controller may be a remote control key.
- the central control system and the engine management system communicate in a data bus manner.
- the engine management system can lock or unlock the engine by controlling the injection.
- the method performs remote controller matching by means of a password, and matches the central control system and the engine management system by a password.
- the central control system is then securely authenticated by the two-way encrypted communication with the engine management system. In this way, the use of an illegal remote control or other means cannot start the engine, thereby achieving the purpose of theft prevention.
- the encryption algorithm can be derived using the Keelog algorithm, or it can be derived using the AES algorithm, or derived from other algorithms. Regardless of the algorithm, the basic requirements are as follows:
- Keelog algorithm is taken as an example to describe the encoding process of the remote controller chip:
- the codes involved are: manufacturer code, remote key product serial number, key, synchronization counter value, identification code, function key status, and the like.
- the function key states generally include: locked, unlocked and normally open.
- the key is obtained by the encryption code by the manufacturer code and the serial key product serial number; when the remote control button is triggered, the synchronization count value, the identification code, and the function key state are obtained by the Keelog encryption algorithm to obtain the encrypted data; and then the remote control transmitting circuit will
- the remote key product serial number, function key status and encrypted data are modulated and transmitted.
- the modulation mode may be a PWM mode or a Manchester code mode.
- the central control system receives the radio frequency signal sent by the remote controller, and after demodulating and decrypting, determining Whether the remote control is legal, if it is legal, it will enter S103. If it is not legal, the central control system will not respond, and the process will be aborted at this step.
- the central control system first demodulates the received RF signal, obtains the serial key product serial number, function key status and encrypted data; then uses the Keelog decryption algorithm to obtain the decrypted data for the encrypted data (including: synchronous count value, identification code, function key) status).
- the central control system judges the legality of the decrypted data, and the judgment basis includes the following three items:
- S103 The central control system selects the warning state according to the function key state, the ignition switch state, and the door opening and closing action.
- the central control system has a total of four alarm states, including the prearm, the alert state, and the alert state.
- the alarm activation state (alarm) and the alarm disarming state (disarm) have a mutual conversion relationship under certain conditions. These conditions have the following six types: 1 remote control lock door.
- the remote lock door can be triggered by the "lock" function key state of the remote control key; 2 illegally open the door. If the central control system does not judge that the legal remote controller is unlocked, the door opening action is performed, and it is considered that the door is opened illegally.
- the central control system can be perceived by the door state switch; 3 remotely unlocking. Remote unlocking can be triggered by the "unlock" function key status of the remote control key; 4 execution of the alarm is completed, the alarm can be in the form of an audible and visual alarm, such as 28s audible alarm, 258s light flash; 5 automatic relock.
- the condition for automatic relocking can be: After the remote control is unlocked, the door is not opened for a while; 6 The ignition switch is switched from the off state to the on state.
- the specific conversion relationship is as follows:
- the warning or state can be switched to the alarm release state under the trigger of condition 6 or 3, and can be switched to the alarm state under the condition of 20 seconds delay;
- the alarm state can be switched to under condition 2 or condition 6 trigger
- Alarm activation status can be converted under condition 3 trigger To the alarm release state;
- the alarm activation state can be switched to the alarm state under the condition 4 trigger, and can be switched to the alarm release state under the condition 3 trigger;
- the alarm release state can be switched to the warning or state under the condition 1 trigger, and triggered in the condition 5 It can be switched to the alert state.
- alarm activation state alarm
- alarm disarming state disarm
- only the remote key unlocking can change the alarm activation state to the alarm release state.
- the alarm release status cannot be converted to the alarm activation status.
- the central control system immediately starts the vehicle peripheral alarm.
- the surrounding alarm is implemented as follows: The central control system controls the vehicle alarm, and the emergency alarm light is activated.
- S104 The central control system encrypts the latest alarm status in real time and sends it to the engine management system via the communication bus.
- the central control system encrypts its latest alert status and sends it to the engine management system.
- the specific encryption method is similar to that described in S101, except that the function key state in S101 becomes the alert state here.
- the engine management system receives the alarm state encrypted data sent by the central control system, performs decryption, determines whether the alert state is legal and is in the alert release state, and if yes, proceeds to S107, otherwise, the process is terminated, and the engine management system prohibits starting the engine.
- the function key status in S101 changes to the alert state here.
- S107 The engine management system and the central control system are securely authenticated by two-way encrypted communication. If the certification is passed, the engine management system allows the engine to be started. Otherwise, the process is terminated and the engine management system prohibits starting the engine.
- the central control system receives the random number r sent by the engine management system, using the key kl (64-bit) Encrypting r yields f(r, kl) and sends f(r, kl) to the engine management system over the communication bus.
- the central control system authenticates the remote controller by cryptographic matching
- the central control system and the remote controller communicate wirelessly, and the remote controller is authenticated by a rolling code algorithm.
- the engine management system and the central control system communicate in a data bus mode, and the central control system is authenticated by a rolling code algorithm.
- the engine management system can lock or unlock the engine by controlling the injection.
- the following is a detailed description of the vehicle-mounted anti-theft system of the present invention.
- the software includes a rolling code encoding algorithm (which is already in the general remote control key) for verification with the central control system.
- the algorithm can be derived using the Keelog algorithm, or can be derived using the AES algorithm, or derived by other algorithms. Which algorithm, the basic requirements are as follows:
- the algorithm can Derived using the Keelog algorithm, can also be derived using the AES algorithm, or derived by other algorithms. Regardless of the algorithm, the basic requirements are as follows:
- the key in the algorithm is not lower than 64 bits, the synchronization counter is not lower than 16 bits, and the rolling code is not lower than 32 bits;
- the algorithm corresponds to a remote key encoding algorithm.
- the encoding algorithm used for rolling code verification with the engine management system requires the same basic requirements as the rolling code encoding algorithm in the remote control. The difference lies in the function key used in the encoding algorithm input in the remote controller (remote control system button) The state becomes the central control system alert state here;
- CAN bus, LIN bus or K-Line communication protocol CAN2.0A, CAN2.0B, LIN1.4-2.1 and later protocols, K-Line can be;
- the encoding chip and the decoding chip that implement the rolling code algorithm are used by the same supplier, unless the decoding process is directly completed by the central control system MCU; under the premise of satisfying the requirements, the rolling code algorithm can be used by the encoding chip.
- the algorithm can also use algorithms unique to each car manufacturer (the algorithm can be written separately into the encoding and decoding chip), but in any case, the encoding and decoding chip is required to ensure the execution of the rolling code algorithm.
- the performance of the selected chip is not lower than the HCS200.
- the performance of the selected chip is not lower than the HCS512.
- the central control system and the engine management system communicate by bus
- the central control system and the engine management system both have a communication bus interface (CAN/LIN/K-line), and the CAN/LIN/K-line bus transceiver circuit diagram
- CAN/LIN/K-line CAN/LIN/K-line
- the central control system and the engine management system can meet the physical layer requirements of communication by modifying the circuit diagram.
- the main R (resistance) and C (capacitance) values are set to ensure EMC (electromagnetic Compatible) Radiated interference and anti-interference performance to meet the requirements of the vehicle;
- the hardware communication interface is a CAN bus
- the hardware interface is a LIN bus, you can follow the LIN1.4, LIN2.0 or LIN2.1 protocol. If the hardware interface is K-line, you can follow the K-line protocol.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lock And Its Accessories (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Description
Claims
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12/810,223 US8924041B2 (en) | 2008-02-27 | 2008-06-30 | Vehicle central lock antitheft method and system |
| EP08773064.4A EP2246227B1 (en) | 2008-02-27 | 2008-06-30 | Vehicle central lock antitheft method and system |
| ZA2010/04413A ZA201004413B (en) | 2008-02-27 | 2010-06-22 | Vehicle central lock antitheft method and system |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100693989A CN101393658B (zh) | 2008-02-27 | 2008-02-27 | 汽车中控防盗方法及系统 |
| CN200810069398.9 | 2008-02-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2009105946A1 true WO2009105946A1 (zh) | 2009-09-03 |
Family
ID=40493939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2008/071486 Ceased WO2009105946A1 (zh) | 2008-02-27 | 2008-06-30 | 汽车中控防盗方法及系统 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US8924041B2 (zh) |
| EP (1) | EP2246227B1 (zh) |
| CN (1) | CN101393658B (zh) |
| MY (1) | MY154075A (zh) |
| WO (1) | WO2009105946A1 (zh) |
| ZA (1) | ZA201004413B (zh) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109131216A (zh) * | 2017-06-19 | 2019-01-04 | 广州英卓电子科技有限公司 | 一种汽车远程控制车门锁和启动的方法及其装置 |
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| DE102010015317B4 (de) * | 2010-04-17 | 2012-05-24 | Audi Ag | Verfahren zum Betreiben der Antriebe eines Kraftfahrzeugs mit zumindest zwei Antrieben |
| US10060173B2 (en) * | 2011-05-24 | 2018-08-28 | Overhead Door Corporation | Multiple speed profiles in barrier operator systems |
| JP5599759B2 (ja) * | 2011-06-01 | 2014-10-01 | カルソニックカンセイ株式会社 | 始動制御装置 |
| US8930087B2 (en) * | 2011-08-09 | 2015-01-06 | GM Global Technology Operations LLC | Systems and methods for interference reduction during keyless ignition authentication |
| CN103842212B (zh) * | 2011-09-12 | 2017-05-31 | 密克罗奇普技术公司 | 具有增加的安全性的基于跳码的系统 |
| CN103067237B (zh) * | 2012-12-26 | 2016-06-15 | 福建龙净环保股份有限公司 | 基于can通讯协议的电袋或布袋除尘器控制系统及通讯调试方法 |
| CN103085761A (zh) * | 2013-02-18 | 2013-05-08 | 北京经纬恒润科技有限公司 | 一种汽车遥控钥匙同步方法及汽车控制器 |
| CN103693011A (zh) * | 2013-12-16 | 2014-04-02 | 中山菲柯特电子电器有限公司 | 一种防解码的汽车滚码防盗器 |
| CN103809574A (zh) * | 2014-02-28 | 2014-05-21 | 北京经纬恒润科技有限公司 | 一种提高远程控制车辆安全性的方法 |
| DE102015103016A1 (de) * | 2015-03-03 | 2016-09-08 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Verfahren zum Betreiben einer Berechtigungseinrichtung |
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| CN108407754B (zh) * | 2018-04-28 | 2020-07-31 | 广西大联统摩托车有限公司 | 一种电动车控制方法、系统及电动车 |
| CN108944784B (zh) * | 2018-08-02 | 2020-03-24 | 安徽江淮汽车集团股份有限公司 | 发动机防盗单元的认证方法及系统 |
| US11433853B2 (en) | 2019-03-29 | 2022-09-06 | Guangzhou Xiaopeng Motors Technology Co., Ltd. | Vehicle unlocking authentication method and apparatus based on terminal device |
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| CN112572343B (zh) * | 2019-09-29 | 2022-04-01 | 长城汽车股份有限公司 | 应用于车辆的防盗认证方法、设备和存储介质 |
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| CN112698595A (zh) * | 2020-12-18 | 2021-04-23 | 武汉格罗夫氢能汽车有限公司 | 一种燃料电池氢能汽车车联网远程禁止启动方法 |
| CN114684069B (zh) * | 2020-12-31 | 2023-06-02 | 长城汽车股份有限公司 | 一种车辆防盗的启动授权方法和装置 |
| CN113335227A (zh) * | 2021-06-15 | 2021-09-03 | 重庆长安汽车股份有限公司 | 一种远程临时授权无钥匙使用车辆的方法 |
| CN113645043B (zh) * | 2021-09-09 | 2022-07-29 | 安徽江淮汽车集团股份有限公司 | 基于硬件在环的防盗认证测试方法及系统 |
| EP4344964A1 (de) | 2022-09-29 | 2024-04-03 | Airbus Operations GmbH | Verfahren zur verhinderung einer flugzeugdiebstahls und system zur datenverarbeitung zur verhinderung eines flugzeugsdiebstahls |
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2010
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Also Published As
| Publication number | Publication date |
|---|---|
| CN101393658A (zh) | 2009-03-25 |
| CN101393658B (zh) | 2011-04-20 |
| EP2246227B1 (en) | 2017-08-09 |
| MY154075A (en) | 2015-04-30 |
| EP2246227A1 (en) | 2010-11-03 |
| US20100286846A1 (en) | 2010-11-11 |
| ZA201004413B (en) | 2011-03-30 |
| EP2246227A4 (en) | 2013-01-02 |
| US8924041B2 (en) | 2014-12-30 |
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