CN104851257B - Remote controler and its method, the device and method thereof for receiving remote controler message, vehicle - Google Patents
Remote controler and its method, the device and method thereof for receiving remote controler message, vehicle Download PDFInfo
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- CN104851257B CN104851257B CN201410805903.7A CN201410805903A CN104851257B CN 104851257 B CN104851257 B CN 104851257B CN 201410805903 A CN201410805903 A CN 201410805903A CN 104851257 B CN104851257 B CN 104851257B
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Abstract
The equipment of a kind of method the invention discloses automobile remote controllers, for the remote controler, the message for receiving the remote controler, the method and vehicle of the message for verifying the remote controler.Wherein, the automobile remote controllers include：Button；Controller, with described by key connection, in the case where the detection button is pressed, generating the message corresponding to the button；And sending device, it is connect with the controller, for sending the message, the clear portion of the message includes key information；And/or the cipher text part of the message include rolling code negate information and/or the message verification and.The present invention ensure that the safety and reliability of automobile remote controllers by increasing the information of message clear portion and/or the information of message cipher text part.
Description
Technical field
The present invention relates to radio frequency protocol fields, and in particular, to a kind of automobile remote controllers, for the remote controler method,
The equipment of message for receiving the remote controler, the method and vehicle of message for verifying the remote controler.
Background technology
With the continuous development of automotive field, automobile remote controllers can be remotely controlled vehicle.In specific application, people
Can according to oneself need vehicle is carried out automatically controlling by automobile remote controllers.Specifically, automobile remote controllers are by vapour
The receiving terminal of vehicle sends message to realize the remote control to vehicle.Message in currently used remote controler radio frequency protocol includes in plain text
Part and cipher text part.Fig. 1 is the structural schematic diagram for the message that existing automobile remote controllers use.As shown in Figure 1, the plaintext of message
Part includes remote controller codes information, and the cipher text part of message includes vehicle coding information, remote controler information of voltage and rolling
Code (number changed every time).Automobile receiving terminal needs after receiving the message from automobile remote controllers to the close of message
Literary part is decrypted to verify whether the remote controller codes information in clear portion is believed with the remote controller codes in cipher text part
Breath is consistent.If the verification of automobile receiving terminal show that the remote controller codes information in clear portion is compiled with the remote controler in cipher text part
Code information is consistent, then judges that message information is correct.Later, automobile receiving terminal carries out related behaviour according to the message information after decryption
Make.
However, due to factors such as the electromagnetic compatibility sexual abnormalities of automobile remote controllers, automobile remote controllers number before sending message
According to being modified, to which the receiving terminal of automobile can not judge the correctness of message information.It may result in the mistake of automobile remote controllers in this way
Spirit.
Invention content
A kind of method the object of the present invention is to provide automobile remote controllers, for the remote controler, for receiving the remote controler
Message equipment, the method and vehicle of message for verifying the remote controler.Wherein, automobile remote controllers are by increasing message
The information of clear portion and/or the information of message cipher text part, ensure that the safety and reliability of automobile remote controllers.
To achieve the goals above, the present invention provides a kind of automobile remote controllers, and the remote controler includes：Button；Controller,
With described by key connection, in the case where the detection button is pressed, generating the message corresponding to the button；And hair
Device is sent, is connect with the controller, for sending the message, the clear portion of the message includes key information；And/or
The cipher text part of the message include rolling code negate information and/or the message verification and.
Correspondingly, the present invention also provides a kind of method for automobile remote controllers, the method includes：Detect the automobile
Whether the button on remote controler is pressed；In the case where the detection button is pressed, the message corresponding to the button is generated；
And the message is sent, the clear portion of the message includes key information；And/or the cipher text part of the message includes rolling
Code negate information and/or the message verification and.
Correspondingly, the present invention also provides a kind of equipment for receiving the message of automobile remote controllers, the equipment includes：It connects
Receiving apparatus, for receiving the message from the automobile remote controllers；And control device, it connect, is used for the reception device
The encryption part of the message is decrypted to verify the relevant information in the message encryption part, and according to verification result
Judge the correctness of the message, the relevant information includes that key information, rolling code negate the verification of information and the message
One or more of with.
Correspondingly, the present invention also provides it is a kind of for verify automobile remote controllers message method, the method includes：It connects
Receive the message from the automobile remote controllers；The encryption part of the message is decrypted；Verify the message encryption part
In relevant information；And the correctness of the message is judged according to verification result, the relevant information includes key information, rolling
Code negate information and the message verification and one or more of.
Correspondingly, the present invention also provides a kind of vehicle, the vehicle includes automobile remote controllers provided by the invention and be used for
The equipment for receiving the message of automobile remote controllers.
Through the above technical solutions, increasing key information in the clear portion of message；And/or the cipher text part in message
Middle increase rolling code negates the verification of information and/or message and with the verification and progress to key information, rolling code information and/or message
Verification, to ensure that the safety and reliability of automobile remote controllers.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Description of the drawings
Attached drawing is to be used to provide further understanding of the present invention, an and part for constitution instruction, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is the structural schematic diagram for the message that existing automobile remote controllers use；
Fig. 2 is the structural schematic diagram of automobile remote controllers provided by the invention；
Fig. 3 is the flow chart provided by the present invention for the method for automobile remote controllers；
Fig. 4 is the structural schematic diagram of the equipment of the message provided by the present invention for receiving automobile remote controllers；
Fig. 5 is the flow chart of the method for the message provided by the present invention for verifying automobile remote controllers；And
Fig. 6 is the structural schematic diagram of message provided by the invention in a particular embodiment.
Reference sign
10 button, 20 controller
30 sending device, 40 stabilized voltage supply device
50 reception device, 60 command module
70 power module, 80 control device
Specific implementation mode
The specific implementation mode of the present invention is described in detail below in conjunction with attached drawing.It should be understood that this place is retouched
The specific implementation mode stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
Fig. 2 is the structural schematic diagram of automobile remote controllers provided by the invention.As shown in Fig. 2, automobile provided by the invention is distant
Controlling device includes：Button 10；Controller 20 is connect with the button 10, in the case where the detection button is pressed, giving birth to
At the message corresponding to the button；And sending device 30, it is connect with the controller 20, for sending the message.
Wherein, the remote controler further includes：Stabilized voltage supply device 40 is connect with the controller 20 and sending device 30,
For providing power supply for the controller and sending device.
Fig. 3 is the flow chart provided by the present invention for the method for automobile remote controllers.In automobile remote-control provided by the invention
In device, automobile remote controllers execute correlation step according to method as shown in Figure 3.This method includes：In step S101, control
Device 20 detects whether the button on the automobile remote controllers is pressed；In step s 102, controller 20 is detecting the automobile
In the case that button on remote controler is pressed, the message corresponding to the button is generated；In step s 103, sending device 30 is sent out
Send the message.
Wherein, the clear portion of the message includes key information；And/or the cipher text part of the message includes that rolling code takes
The verification of anti-information and/or the message and.
Fig. 4 is the structural schematic diagram of the equipment of the message provided by the present invention for receiving automobile remote controllers.Such as Fig. 4 institutes
Show, the equipment of the message provided by the present invention for receiving automobile remote controllers includes：Reception device 50, for receiving from described
The message of automobile remote controllers；And control device 80, it is connect with the reception device 50, for the encryption part to the message
It is decrypted to verify the relevant information in the message encryption part, and the correct of the message is judged according to verification result
Property.
Wherein, the equipment further includes：Command module 60, the control device 80 are additionally operable to judging the message information
In the case of correctly, control instruction is sent to execute relevant operation to the command module.
Wherein, the equipment further includes：Power module 70, with the reception device 50, control device 80 and order mould
Block 60 connects, for providing power supply for the reception device, controller and command module.
Fig. 5 is the flow chart of the method for the message provided by the present invention for verifying automobile remote controllers.It is provided in the present invention
The message for receiving automobile remote controllers equipment in, which executes correlation step according to method as shown in Figure 5.It should
Method includes：In step L101, reception device 50 receives the message from the automobile remote controllers；In step L102, control
The encryption part of the message is decrypted in device 80 processed；In step L103, control device 80 verifies the message encryption
Relevant information in part.The relevant information include key information, rolling code negate information and the message verification and in
One of or more persons.In step L104, control device 80 judges the correctness of the message according to verification result.
Wherein, the clear portion of the message also includes remote controller codes information, and the encryption part also includes remote controler
Coding information and rolling code information.Remote controller codes information of the control device 80 in verification obtains the message encryption part
With key information in the message clear portion remote controller codes information and key information is consistent, the rolling code information and its
Negate that rolling code information that information is obtained through operation is consistent and the byte of the clear portion of decrypted message and encryption part it
With under the verification and unanimous circumstances, then judge that the message is correct.
Wherein, control device 80 subtracts rolling code inverted value with the maximum binary number of digit identical as rolling code inverted value
It obtains rolling code information, the rolling code information is compared with the rolling code information for being stored in message encryption part later, with to message
It is verified.
Fig. 6 is the structural schematic diagram of message provided by the invention in a particular embodiment.As shown in fig. 6, specific real
It applies in mode, the clear portion of message includes key information and remote controller codes information, and the cipher text part of message includes vehicle
Coding information, remote controller codes information, key information, remote controler information of voltage, rolling code, rolling code negate the school of information and message
Test and.Wherein, key information accounts for 6Bit, and remote controller codes information accounts for 32Bit, and vehicle coding information accounts for 32Bit, remote controler voltage
Information accounts for 2Bit, and rolling code information accounts for 24Bit, and rolling code negates information and accounts for 24Bit and verification and account for 8Bit.Automobile receiving terminal is being tested
Card show that the remote controller codes in remote controller codes information and key information and message clear portion in message encryption part are believed
Breath and key information unanimously, rolling code information negate that rolling code information that information is obtained through operation is consistent and decrypted message with it
Clear portion and encryption part the sum of byte under verification and unanimous circumstances, then judge that message information is correct.
The present invention in the clear portion of message by increasing key information；And/or increase in the cipher text part of message
Rolling code negate information and/or message verification and with to key information, rolling code information and/or message verification and verify,
To ensure that the safety and reliability of automobile remote controllers.
The preferred embodiment of the present invention is described in detail above in association with attached drawing, still, the present invention is not limited to above-mentioned realities
The detail in mode is applied, within the scope of the technical concept of the present invention, a variety of letters can be carried out to technical scheme of the present invention
Monotropic type, these simple variants all belong to the scope of protection of the present invention.Such as.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case of shield, it can be combined by any suitable means.In order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (7)
1. a kind of automobile remote controllers, the remote controler include：
Button；
Controller, with described by key connection, in the case where the detection button is pressed, generating corresponding to the button
Message；And
Sending device is connect with the controller, for sending the message,
It is characterized in that,
The clear portion of the message includes key information；With
The cipher text part of the message include rolling code negate information or the message cipher text part include rolling code negate information and
The verification of the message and.
2. a kind of method for automobile remote controllers, the method includes：
Detect whether the button on the automobile remote controllers is pressed；
In the case where the detection button is pressed, the message corresponding to the button is generated；And
The message is sent,
It is characterized in that,
The clear portion of the message includes key information；With
The cipher text part of the message include rolling code negate information or the message cipher text part include rolling code negate information and
The verification of the message and.
3. a kind of equipment for receiving the message of automobile remote controllers, the equipment include：
Reception device, for receiving the message from the automobile remote controllers；And
Control device is connect with the reception device, is decrypted for the encryption part to the message to verify the report
Text encrypts the relevant information in part, and the correctness of the message is judged according to verification result,
It is characterized in that,
The relevant information includes that key information, rolling code negate information or the relevant information includes that key information, rolling code negate
The verification of information and the message and.
4. the equipment according to claim 3 for receiving the message of automobile remote controllers, which is characterized in that
The clear portion of the message also includes remote controller codes information, encryption part also comprising remote controller codes information and
Rolling code information；
The control device verification obtain remote controller codes information in the message encryption part and key information with it is described
Remote controller codes information and key information in message clear portion is consistent, the rolling code information and its negate information and obtained through operation
The rolling code information gone out is consistent and the sum of the clear portion of decrypted message and the byte of encryption part and the verification and one
In the case of cause, then judge that the message is correct.
5. a kind of method for verifying the message of automobile remote controllers, the method includes：
Receive the message from the automobile remote controllers；
The encryption part of the message is decrypted；
Verify the relevant information in the message encryption part；And
The correctness of the message is judged according to verification result,
It is characterized in that,
The relevant information includes that key information, rolling code negate information or the relevant information includes that key information, rolling code negate
The verification of information and the message and.
6. the method according to claim 5 for verifying the message of automobile remote controllers, which is characterized in that the message
Clear portion also includes remote controller codes information, and the encryption part is described also comprising remote controller codes information and rolling code information
Method further includes：
Remote controller codes information and key information and the message of the controller in verification obtains the message encryption part are bright
Remote controller codes information and key information in literary part is consistent, the rolling code information negates the rolling that information is obtained through operation with it
Code information is consistent and the sum of the clear portion of decrypted message and the byte of encryption part and the verification and consistent feelings
Under condition, then judge that the message is correct.
7. a kind of vehicle, which is characterized in that the vehicle includes automobile remote controllers described in claim 1 and claim 3 or 4 institutes
The equipment for the message for receiving automobile remote controllers stated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410805903.7A CN104851257B (en) | 2014-12-19 | 2014-12-19 | Remote controler and its method, the device and method thereof for receiving remote controler message, vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410805903.7A CN104851257B (en) | 2014-12-19 | 2014-12-19 | Remote controler and its method, the device and method thereof for receiving remote controler message, vehicle |
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| CN104851257A CN104851257A (en) | 2015-08-19 |
| CN104851257B true CN104851257B (en) | 2018-09-14 |
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| CN201410805903.7A Active CN104851257B (en) | 2014-12-19 | 2014-12-19 | Remote controler and its method, the device and method thereof for receiving remote controler message, vehicle |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10137860B2 (en) | 2016-11-17 | 2018-11-27 | Ford Global Technologies, Llc | Remote keyless entry message authentication |
| CN114928656A (en) * | 2022-04-25 | 2022-08-19 | 一汽奔腾轿车有限公司 | Communication method of automobile remote control key |
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| JPH07101314A (en) * | 1993-10-07 | 1995-04-18 | Toyota Autom Loom Works Ltd | Transmitting device for remote control |
| JP4153283B2 (en) * | 2002-10-16 | 2008-09-24 | アルプス電気株式会社 | Security related data handling apparatus and handling method |
| CN102568062B (en) * | 2011-09-29 | 2014-06-18 | 浙江吉利汽车研究院有限公司 | Encryption and decryption method for remote controller |
| CN103051417B (en) * | 2012-11-30 | 2015-09-09 | 浙江西盈科技有限公司 | A kind of fixing code length complementary type coding method for Infrared remote controller and coding/decoding method thereof |
| CN104168109A (en) * | 2014-09-11 | 2014-11-26 | 合肥晟泰克汽车电子有限公司 | Method and device for achieving remote controller protocol encrypted based on AES |
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Application publication date: 20150819 Assignee: Beijing Zhike chelian Technology Co.,Ltd. Assignor: BEIQI FOTON MOTOR Co.,Ltd. Contract record no.: X2022980018253 Denomination of invention: Remote controller and its method, device for receiving message from remote controller and its method, vehicle Granted publication date: 20180914 License type: Common License Record date: 20221013 |