CN106740683B - CAN bus based unlocking method of vehicle and its system - Google Patents
CAN bus based unlocking method of vehicle and its system Download PDFInfo
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- CN106740683B CN106740683B CN201710123496.5A CN201710123496A CN106740683B CN 106740683 B CN106740683 B CN 106740683B CN 201710123496 A CN201710123496 A CN 201710123496A CN 106740683 B CN106740683 B CN 106740683B
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- 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
-
- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0061—Error detection codes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L12/40006—Architecture of a communication node
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L2012/40267—Bus for use in transportation systems
- H04L2012/40273—Bus for use in transportation systems the transportation system being a vehicle
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Lock And Its Accessories (AREA)
Abstract
The present invention relates to field of communication technology more particularly to a kind of CAN bus based unlocking method of vehicle and its systems.Method of the present invention includes: to be requested according to the decoding obtained by controller, and the anti-theft cipher information of at least one engine is obtained by CAN bus；Extract the data of one or more transformation in code field corresponding with the anti-theft cipher information and the code field；According to preset transformation rule, inverse transformation is carried out for the data of one or more transformation, and obtain the decoding field after inverse transformation to replace the code field and export decoded information to unlock the engine.It realizes that mobile terminal is controlled and unlocked the present invention is based on CAN bus and starts multiterminal engine, decoding operate is executed using preset decoder, provide quick convenient solution lock means, improve its safety, the unicity of burglary-resisting system and the complexity of activation system are overcome simultaneously, information transmission is carried out using CAN bus, realizes the purpose of bus marco multiterminal engine.
Description
[technical field]
The present invention relates to field of vehicle communications more particularly to a kind of CAN bus based vehicles, are more particularly to a kind of base
In the unlocking method of vehicle and its system of CAN bus.
[background technique]
People are more and more now passes through internet and wireless communication networks communication of data content.The long-range starting of engine
Existing mainly remotely to be started by remote-control key, people send enabling signal, vehicle control to vehicle by remote-control key
System verifies enabling signal, is verified i.e. control igniting starting engine.It is existing by matching one again former vehicle key
It is simultaneously embedded to the engine anti-theft that interior mode releases former vehicle by spoon, the starting of vehicle motor is realized, due to this scheme
The engine anti-theft function for destroying former vehicle completely ensure its safety cannot and by query.Moreover, vehicle is anti-
Theft system has unicity, quite has difficulty when having lacked cracking for former its burglary-resisting system of car key, leads to its activation system
Complication.
[summary of the invention]
In order to overcome the shortcoming in the prior art of above-mentioned meaning, the present invention provides a kind of CAN bus based vehicle
Unlocking method and its system, with solve the problems, such as described in the prior art at least one.
It is as follows that the present invention solves technical solution used by above-mentioned technical problem:
According to an aspect of the present invention, a kind of CAN bus based unlocking method of vehicle is provided, comprising the following steps:
According to the decoding request obtained by controller, believed by the anti-theft cipher that CAN bus obtains at least one engine
Breath；
Extract one or more transformation in code field corresponding with the anti-theft cipher information and the code field
Data；
According to preset transformation rule, inverse transformations are carried out for the data of one or more transformation, and after obtaining inverse transformation
Decoding field to replace the code field and export decoded information to unlock the engine.
Specifically, the transformation includes that the field in the corresponding oss message of the engine is encoded and/or pressed
Contracting.
Specifically, the CAN bus based unlocking method of vehicle is further comprising the steps of:
In response to receiving the communication request that mobile terminal is sent by the controller, the corresponding verifying letter of the terminal is obtained
Breath；
According to the verification information, the validity of the communication request is verified to be associated with the mobile terminal；
Based on verification result, the decoding request that the mobile terminal is sent is received to realize the corresponding engine of control.
Specifically, the CAN bus based unlocking method of vehicle is further comprising the steps of:
Verifying message corresponding with the verification result is sent to corresponding decoder in response to decoding request；
The feedback message about the verifying message sent according to Rcv decoder, sends solution code instruction to the decoder
To execute decoding operate.
Specifically, the transformation rule includes being handled according to preset algorithm oss message to believe with exports coding
Breath.
Correspondingly, being comprised the following modules the present invention also provides a kind of CAN bus based vehicle system for unlocking:
First obtains module: for requesting according to the decoding obtained by controller, obtaining at least one hair by CAN bus
The anti-theft cipher information of motivation；
Extraction module: for extracting in code field corresponding with the anti-theft cipher information and the code field one
Or the data of multiple transformation；
Inverse transform module: for carrying out inverse transformation for the data of one or more transformation according to preset transformation rule,
And the decoding field after inverse transformation is obtained to replace the code field and export decoded information to unlock the engine.
Specifically, the transformation includes that the field in the corresponding oss message of the engine is encoded and/or pressed
Contracting.
Specifically, the CAN bus based vehicle system for unlocking further includes with lower module:
Second obtains module: in response to receiving the communication request that mobile terminal is sent by the controller, obtaining should
The corresponding verification information of terminal；
Authentication module: described mobile whole to be associated with for verifying the validity of the communication request according to the verification information
End；
Receiving module: it for being based on verification result, receives the decoding that the mobile terminal is sent and requests to realize control pair
The engine answered.
Specifically, the CAN bus based vehicle system for unlocking further includes with lower module:
Respond module: corresponding with the verification result for being sent in response to decoding request to corresponding decoder
Verify message；
Sending module: the feedback message about the verifying message for being sent according to Rcv decoder sends decoding
Instruction is to the decoder to execute decoding operate.
Specifically, the transformation rule includes being handled according to preset algorithm oss message to believe with exports coding
Breath.
Compared with prior art, the present invention has following advantage:
The present invention is based on CAN bus to realize that mobile terminal controls and unlock starting multiterminal engine, utilizes preset decoding
Device executes decoding operate, and unlock is relied primarily in the inverse transformation to code field, and then obtains decoding field and started with unlocking
Machine provides quick convenient solution lock means.In addition, by the communication channel formed between mobile terminal and controller, it is described
Controller receives the decoding that mobile terminal is sent and requests to control corresponding engine, carries out information transmission using CAN bus, real
The purpose of bus marco multiterminal engine is showed；Moreover, it is thus also avoided that be inserted directly into physical key and burglary-resisting system is carried out
The not steady and sure sense of mode bring is cracked firmly, more safety guarantee is increased, passes through the verifying between mobile terminal and controller
Long-range control of the mobile terminal to engine is realized in communication, overcomes the unicity of burglary-resisting system and the complicated journey of activation system
Degree.
[Detailed description of the invention]
The attached drawing constituted part of this application is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is a kind of program flow diagram of one embodiment of CAN bus based unlocking method of vehicle in the present invention；
Fig. 2 is a kind of program flow diagram of another embodiment of CAN bus based unlocking method of vehicle in the present invention；
Fig. 3 is a kind of structural block diagram of one embodiment of CAN bus based vehicle system for unlocking in the present invention；
Fig. 4 is a kind of structural block diagram of another embodiment of CAN bus based vehicle system for unlocking in the present invention.
[specific embodiment]
The present invention is further described with exemplary embodiment with reference to the accompanying drawing, the examples of the embodiments are attached
It is shown in figure, in which the same or similar labels are throughly indicated same or similar element or there is same or like function
Element.In order to make the objectives, technical solutions, and advantages of the present invention clearer, below with reference to the reality of attached drawing description
It applies example to be exemplary, for explaining only the invention, and be not construed as limiting the claims.
Those skilled in the art of the present technique are appreciated that unless expressly stated, singular " one " used herein, " one
It is a ", " described " and "the" may also comprise plural form.It is to be further understood that being arranged used in specification of the invention
Diction " comprising " refer to that there are the feature, integer, step, operation, element and/or component, but it is not excluded that in the presence of or addition
Other one or more features, integer, step, operation, element, component and/or their group.It should be understood that when we claim member
Part is " connected " or when " coupled " to another element, it can be directly connected or coupled to other elements, or there may also be
Intermediary element.In addition, " connection " used herein or " coupling " may include being wirelessly connected or wirelessly coupling.It is used herein to arrange
Diction "and/or" includes one or more associated wholes for listing item or any cell and all combinations.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, all terms used herein (including technology art
Language and scientific term), there is meaning identical with the general understanding of those of ordinary skill in fields of the present invention.Should also
Understand, those terms such as defined in the general dictionary, it should be understood that have in the context of the prior art
The consistent meaning of meaning, and unless idealization or meaning too formal otherwise will not be used by specific definitions as here
To explain.
Those skilled in the art of the present technique are appreciated that " terminal " used herein below, " terminal device " or " mobile communication
Terminal " refers to that the computer equipment that can be used on the move, broad sense are said including mobile phone, notebook, tablet computer, POS machine
It even include vehicle-mounted computer." terminal " used herein above, " terminal device " can be it is portable, can transport, be mounted on traffic
In tool (aviation, sea-freight and/or land), or it is suitable for and/or is configured in local runtime, and/or with distribution form,
Operate in any other position operation in the earth and/or space." terminal " used herein above, " terminal device " can also be logical
Believe terminal, access terminals, music/video playback terminal, such as can be PDA, MID (Mobile Internet Device, shifting
Dynamic internet device) and/or mobile phone with music/video playing function, it is also possible to the equipment such as smart television.Here
Used " terminal ", " terminal device " also possess communication mode very rich, it can by GSM, CDMA, WCDMA,
The wireless operators such as EDGE, 3G Netcom news bluetooth and infrared can also be communicated by WLAN.
CAN (Controller Area Network) i.e. controller LAN, is most widely used controller on automobile
One of communication bus.Any one node can send data by other nodes of active on network at any one time in CAN bus,
And regardless of principal and subordinate, communication is flexible.Node in CAN bus can be divided into different priority, can satisfy different requirement of real time,
Have the function of point-to-point, point to multi--point (in groups) and global broadcast transmission data；The effective word of each frame data of CAN bus
Joint number is 8, guarantees that transmission time is short, improves real-time and the probability being disturbed is low；CAN bus system structure is simple, to transmission
There are many media, such as common cable, optical cable and wireless transmission.
Please refer to a kind of attached program circuit of one embodiment of CAN bus based unlocking method of vehicle shown in FIG. 1
Figure, the method for the invention the following steps are included:
S110 requests according to the decoding obtained by controller, the antitheft volume of at least one engine is obtained by CAN bus
Code information.
Specifically, controller receives the communication request of mobile terminal, the corresponding verification information of the mobile terminal, root are obtained
According to the verification information, the validity of the communication request is verified to be associated with the mobile terminal, and in view of the communication request
Validity, controller receives the decoding request that mobile terminal is sent to realize the corresponding engine of control.
In addition, after the controller receives the decoding request, controller is based on preset serial communication standard
The solution code instruction is transmitted to decoder, wherein the preset serial communication standard includes RS-232, RS-422 and RS-
Any one in 485.The decoder verifies the validity of the solution code instruction, specifically includes there are two types of situation: when the decoding
When instruction has validity, the decoder will acquire the anti-theft cipher information of at least one engine；When the solution code instruction
When not having validity, the decoder prompts the behaviour of the mobile terminal by invalid operation information is fed back to the controller
Work person.Wherein, it is communicated between the decoder and engine by CAN bus.
In the embodiment of the present invention, the anti-theft cipher information mainly encoded by the oss message of engine or compressed and
The coded data of formation.Wherein the coded data can be any kind of data, including but not limited at least one of:
Image data, video data, audio data, analog-to-digital conversion (ADC) data, mathematical data.
In the embodiment of the present invention, provide coded data from least one of following source: data storage device passes through wirelessly
Communication network, storage card, data storage disk, encoder etc..Wherein encoded information by oss message according to certain algorithm and/or
Rule transformation forms, and the algorithm and/or rule according further to the transformation form transformation rule to be stored in local data base.
It include the text indicated with block and/or the related coded data of packet in anti-theft cipher information in the embodiment of the present invention
Part head information, the File header information include the data for indicating one or more transformation, and the transformation is employed to original block
And/or bag data is encoded and is compressed, indicate the information of the transformation as coded data relevant to block and/or packet and by
Include.
In the embodiment of the present invention, it is described transformation use include it is following at least one or more: interpolated value, extrapolated value, arteries and veins
Rush code modulation, Huffman encoding, arithmetic coding, range coding, transition coding.
S120 extracts one or more in code field corresponding with the anti-theft cipher information and the code field become
The data changed.
Specifically, the transformation includes that the field in the corresponding oss message of the engine is encoded and/or pressed
Contracting.Wherein, the code field indicates the field for carrying out transcoding, coding transform to it in the anti-theft cipher information.For the coding
Field detects the transformed data of one or more wherein included with the data that will be converted and carries out inverse transformation.
In addition, there are two kinds of situations for extraction code field specific manifestation corresponding with the anti-theft cipher information:
One is the backup oss messages that acquisition is pre-stored in the local data base, by the backup oss message and the anti-theft cipher
Information is compared obtain between difference field, under the cooperation of transformation rule, confirm the difference field be code field；
The coding record formed when another situation is that being encoded into the encoded information according to the oss message defines the coding note
Recording corresponding field is code field.Wherein the backup source code information is distinct from the oss message, the backup source code
Information exists with the format with permission, and the verifying of validity identity, verifying need to be carried out by reading the backup oss message
Mode includes any of the following or a variety of: preset-key input, image recognition and ID chip.
In the embodiment of the present invention, the data for obtaining one or more transformation in the code field are dependent on the transformation
Rule and/or coding record, are embodied in two kinds: one is according to the backup oss message, by the difference field
One or more variance datas are obtained, confirm that the variance data is the data of the transformation；Another kind is according to the coding
Record, retrieves and confirms the data of the transformation.
S130 carries out inverse transformation for the data of one or more transformation, and obtain inversion according to preset transformation rule
Decoding field after changing is to replace the code field and export decoded information to unlock the engine.
From database arrangement, supplemental information is extracted to be used in the inverse transformation for executing one or more transformation；The benefit
Filling information includes at least one of: algorithm, rule, one or more transformation parameters, the supplemental information are expressed as executing one
Or when multiple transformation reference transformation rule, the inverse transformation of one or more of transformation is executed according to the transformation rule.
In the embodiment of the present invention, the executable inverse transformation using at least one or more following transformation of the decoder:
Interpolated value, extrapolated value, pulse code modulated, Huffman encoding, arithmetic coding, range coding, transition coding.
In addition, the encoded information includes the code field of the data formation of one or more transformation and removes coded word
Source code field after section, the source code field are again included in oss message.
Specifically, the encoded information is carried out inverse transformation according to the supplemental information of one or more of transformation, that is, exist
On the basis of the transformation rule, the code field is subjected to inverse transformation to obtain decoding field.Specific manifestation has: according to institute
It states oss message and is transformed into the coding record generated when encoded information, corresponding one or more transformation are recorded to the coding
Data extract, further according to the preset transformation rule, to algorithm, rule and the one or more for converting and applying to
Transformation parameter carries out Back Up, inverse as described in will originally add the data of a rule transformation to carry out subtracting one inversely rule variation as
To variation.The data of one or more transformation after inverse transformation are replaced into the code field to the corresponding position of the transformation
It sets, definition is the decoding field through replaced code field, and exports decoded information.
In addition, the unlock authentication module of the engine receives the decoded information, examines having for the decoded information
Effect property will trigger unlock instruction if the decoded information has validity to be sent to the control module of the engine.
Also, it is described to start to receive the starting request that terminal is sent in movement for the control module of the engine
Engine.The process includes the verifying to starting request and the starting for engine and the enabled instruction that triggers.
The present invention is based on CAN bus to realize that mobile terminal controls and unlock starting multiterminal engine, utilizes preset decoding
Device executes decoding operate, and unlock is relied primarily in the inverse transformation to code field, and then obtains decoding field and started with unlocking
Machine provides quick convenient solution lock means.
Please refer to a kind of attached program flow of another embodiment of CAN bus based unlocking method of vehicle shown in Fig. 2
Cheng Tu includes following previous step before step 110~130 in the CAN bus based unlocking method of vehicle:
S210 obtains that the terminal is corresponding to be tested in response to receiving the communication request that mobile terminal is sent by the controller
Demonstrate,prove information.
The process is main it is emphasised that connection setup between the controller and mobile terminal, specific manifestation includes being based on
Controller described in CAN bus is equipped with the communication port being wirelessly connected with wireless network, receives the shifting by the communication port
The communication request that dynamic terminal is sent carries out the verification information verifying of terminal, wherein described by the verifying to the communication request
Verification information is contained in the communication request.
In the embodiment of the present invention, the verification information further includes the account letter for being associated with the mobile terminal for controller and logging in
Breath, by preassembled application program in the mobile terminal or in advance by cloud server registration information, described in obtaining
The account information that controller associated mobile terminal logs in, wherein the account information is from the account information that application program generates to cloud
Server registration is obtained or is directly obtained by the registration information, and account information includes opposite with the controller of engine apparatus
The ID number answered and log in key.
In the embodiment of the present invention, the verification information includes the ID identifying code of the mobile terminal, by examining the ID
Whether identifying code, the available mobile terminal have legitimacy and validity, are in particular in and examine the movement whole
End whether have communicated between legal networking permission and terminal and WLAN selection network channel it is whether smooth.
The mobile terminal sends the communication request and has specifically included any one following form of expression: the first, benefit
The picture recognition module scanning being equipped with the mobile terminal it is preset about connect two dimensional code provided by the controller or
Bar code is associated with the controller to obtain corresponding verification information, is had based on the controller logical between cloud server
Module is interrogated, mobile terminal will send the communication request comprising the verification information to cloud accordingly for associated controller and take
Business device；Second, preset account information is inputted to bind in corresponding input frame in the corresponding application program of the mobile terminal
The controller；The third is that preset web page interlinkage is logged in using mobile terminal, inputs preset account information and is sent to
Cloud server receives the received account information of cloud server and is verified with the account information being pre-stored in server
Check results afterwards, verification are associated with the controller after.The essence of the form of expression is to set in the engine
Standby end, which verifies the communication request and sends verification result, realizes the dedicated communication channel of building to mobile terminal or in clothes
It verifies the communication request and bridges the communication between the engine apparatus and mobile terminal in business device end.
In the embodiment of the present invention, the communication between the mobile terminal and controller can be real by long-range cloud server
Existing telecommunication, such as 4G；The communication moved equally between terminal and controller can also be by the wireless communication means of short distance
Realize near-field communication, wherein the wireless communication means of the short distance include it is following any one or more: ZigBee, bluetooth
(Bluetooth), infrared (IrDA), WLAN 802.11 (Wi-Fi), ultra-wideband (UltraWideBand), short distance are logical
Believe (NFC), WiMedia, GPS, DECT, wireless 139 and private radio systems etc..
S220 verifies the validity of the communication request according to the verification information to be associated with the mobile terminal.
Specifically, obtaining the corresponding authority content of the mobile terminal, the authority content packet according to the verification information
The power for including mobile terminal starting or closing the engine Permission Levels, the engine operating state situation being known
Limit any one or more in grade.
In the embodiment of the present invention, when the communication between the controller and mobile terminal passes through the channel radio of short distance conveniently
Duan Shi, after which is associated by the relevant communication request of transmission, the controller will verify the communication request
Validity, be in particular in judge preset account information that the mobile terminal is sent whether be stored in controller to
Verifying account information matches, and when the preset account information matches with account information to be verified, confirms that the communication is asked
The validity asked simultaneously is opened with the communication port of mobile terminal to realize data transmission；When the preset account information with it is to be verified
When account information does not match, it is correctly preset to prompt user to input again to the mobile terminal to feed back invalid feedback information
Account information.
It, should be in reality when the controller is realized by cloud server and mobile terminal to be communicated in the embodiment of the present invention
Before being associated between existing mobile terminal and controller, the verifying of communication request will be carried out, i.e., inputted in mobile terminal relevant
When account information is with game server, server will receive corresponding account information and to be tested in server by being pre-stored within
Card account information is verified, and after verification passes through, establishes the communication between mobile terminal and controller.
S230 is based on verification result, receives the decoding request that the mobile terminal is sent and is started with realizing that control is corresponding
Machine.
Specifically, the verification result includes sending invalid feedback information when the communication request does not meet validity
To the mobile terminal；When the communication request meets validity, opens communication port and the mobile terminal is realized wirelessly
Communication.
In addition, the engine is there are the setting of coding, needs to use decoder in this setting and is decoded,
The mobile terminal sends the decoding request to engine, specifically takes the form of controller and receives what mobile terminal was sent
Decoding request, and then trigger solution code instruction and the decoder is promoted to execute decoding operate to decoder.Wherein when described mobile whole
When holding one or more associated engine apparatus, the controller of the engine apparatus obtains the mobile terminal respectively and sends
Decoding request, in the engine generation for parsing the specified operation for including in the decoding request, claims information and priority, based on default
Serial communication standard described in controller by send solution code instruction to decoder and for the specified operation engine carry out
Decoding.Wherein the priority includes the priority and control that data are transmitted between the engine and controller of the specified operation
The priority communicated between device processed and mobile terminal is embodied in the speed of transmission rate and the power of signal of communication.
It includes that the engine generation of operation is specified to claim information that the decoder, which receives, copes with the engine generation title information,
The encoded information of the engine is obtained to execute decoding operate.
In addition, the effect of the CAN bus, which is essentially consisted in, is set out from the connecting node with controller to entire local area network
In any one node-node transmission described in solution code instruction or other operational orders.It is logical by what is formed between mobile terminal and controller
Believe that channel, the controller receive the decoding that mobile terminal is sent and request to control corresponding engine, wherein decoder and hair
Information transmission is carried out using CAN bus between motivation, realizes the purpose of bus marco multiterminal engine.
It should be noted that the step of embodiment of the present invention, is not limited to carry out in cloud server, it can also be by controlling
The corresponding module being arranged in device is realized.
Further, before step 110~130 in the CAN bus based unlocking method of vehicle and step 210~
After 230 further include:
S310 sends verifying corresponding with the verification result to corresponding decoder in response to decoding request and reports
Text.
The controller and mobile terminal realization are interrelated, generate relevant verifying message simultaneously based on the verification result
It is sent to the decoder, the decoder verifies the verifying message received, includes in the parsing verifying message
Certificate parameter information, wherein the generation that the certificate parameter information includes engine claims information and priority.
In the embodiment of the present invention, after the generation that the decoder receives the engine claims information and priority, retrieval is extremely
The parameter information that a few engine prestores claims the confirmation of the contrast relationship between information and parameter information to specify according to the generation
Engine.
S320, the feedback message about the verifying message sent according to Rcv decoder, sends solution code instruction and extremely should
Decoder is to execute decoding operate.
The decoder, which receives the verifying message specific manifestation, to be had: retrieving the parameter letter that at least one engine prestores
Breath, the engine for claiming the confirmation of the contrast relationship between information and parameter information specified according to the generation.The wherein parameter information
The inside setting parameter for indicating the engine, specifically includes backup oss message, encoded information of engine etc..Work as retrieval
Mutually deserved feedback message is generated after errorless.
The controller receives the feedback message that the decoder is sent, and confirms the validity of the feedback message and legal
Property, wherein the validity and legitimacy are in particular in that the state about the engine for including in the feedback message is believed
Breath and it is described verifying message the accurate goodness of fit, when the engine operation normally without mistake and it is described verifying message essence
When the quasi- goodness of fit reaches certain threshold value or more, mutual solution code instruction will be generated based on preset serial communication standard and sent extremely
Corresponding decoder promotes the decoder to execute decoding operate to execute.
In addition, the controller further includes receiving the feedback message from other devices, and then generate corresponding control
Instruction, such as enabled instruction, flame-out instruction, wherein the enabled instruction and flame-out instruction for control the engine starting and
It closes and generates.Method provided by the invention successfully avoid be inserted directly into the prior art physical key to burglary-resisting system into
Row cracks the not steady and sure sense of mode bring firmly, increases more safety guarantee, passes through testing between mobile terminal and controller
Long-range control of the mobile terminal to engine is realized in card communication, overcomes the unicity of burglary-resisting system and the complicated journey of activation system
Degree.
In the embodiment of the present invention, the step S110~S130 is mainly the process that decoder executes decoding operate, described
Step S210~S230 is mainly used for realizing the connection setup between controller and mobile terminal, and step 310~320 are main
The process of solution code instruction is triggered for controller.
Please refer to a kind of attached structural block diagram of one embodiment of CAN bus based vehicle system for unlocking shown in Fig. 3.
Correspondingly, providing a kind of CAN bus based vehicle system for unlocking, including also in the embodiment of the present invention with lower die
Block:
First obtains module 11: for requesting according to the decoding obtained by controller, obtaining at least one by CAN bus
The anti-theft cipher information of engine.
Specifically, controller receives the communication request of mobile terminal, the corresponding verification information of the mobile terminal, root are obtained
According to the verification information, the validity of the communication request is verified to be associated with the mobile terminal, and in view of the communication request
Validity, controller receives the decoding request that mobile terminal is sent to realize the corresponding engine of control.
In addition, after the controller receives the decoding request, controller is based on preset serial communication standard
The solution code instruction is transmitted to decoder, wherein the preset serial communication standard includes RS-232, RS-422 and RS-
Any one in 485.The decoder verifies the validity of the solution code instruction, specifically includes there are two types of situation: when the decoding
When instruction has validity, the decoder will acquire the anti-theft cipher information of at least one engine；When the solution code instruction
When not having validity, the decoder prompts the behaviour of the mobile terminal by invalid operation information is fed back to the controller
Work person.Wherein, it is realized and is communicated by CAN bus between the decoder and engine.
In the embodiment of the present invention, the anti-theft cipher information mainly encoded by the oss message of engine or compressed and
The coded data of formation.Wherein the coded data can be any kind of data, including but not limited at least one of:
Image data, video data, audio data, analog-to-digital conversion (ADC) data, mathematical data.
In the embodiment of the present invention, provide coded data from least one of following source: data storage device passes through wirelessly
Communication network, storage card, data storage disk, encoder etc..Wherein encoded information by oss message according to certain algorithm and/or
Rule transformation forms, and the algorithm and/or rule according further to the transformation form transformation rule to be stored in local data base.
It include the text indicated with block and/or the related coded data of packet in anti-theft cipher information in the embodiment of the present invention
Part head information, the File header information include the data for indicating one or more transformation, and the transformation is employed to original block
And/or bag data is encoded and is compressed, indicate the information of the transformation as coded data relevant to block and/or packet and by
Include.
In the embodiment of the present invention, it is described transformation use include it is following at least one or more: interpolated value, extrapolated value, arteries and veins
Rush code modulation, Huffman encoding, arithmetic coding, range coding, transition coding.
Extraction module 12: for extracting one in code field corresponding with the anti-theft cipher information and the code field
The data of a or multiple transformation.
Specifically, the transformation includes that the field in the corresponding oss message of the engine is encoded and/or pressed
Contracting.Wherein, the code field indicates the field for carrying out transcoding, coding transform to it in the anti-theft cipher information.For the coding
Field detects the transformed data of one or more wherein included with the data that will be converted and carries out inverse transformation.
In addition, there are two kinds of situations for extraction code field specific manifestation corresponding with the anti-theft cipher information:
One is the backup oss messages that acquisition is pre-stored in the local data base, by the backup oss message and the anti-theft cipher
Information is compared obtain between difference field, under the cooperation of transformation rule, confirm the difference field be code field；
The coding record formed when another situation is that being encoded into the encoded information according to the oss message defines the coding note
Recording corresponding field is code field.Wherein the backup source code information is distinct from the oss message, the backup source code
Information exists with the format with permission, and the verifying of validity identity, verifying need to be carried out by reading the backup oss message
Mode includes any of the following or a variety of: preset-key input, image recognition and ID chip.
In the embodiment of the present invention, the data for obtaining one or more transformation in the code field are dependent on the transformation
Rule and/or coding record, are embodied in two kinds: one is according to the backup oss message, by the difference field
One or more variance datas are obtained, confirm that the variance data is the data of the transformation；Another kind is according to the coding
Record, retrieves and confirms the data of the transformation.
Inverse transform module 13: for carrying out inversion for the data of one or more transformation according to preset transformation rule
It changes, and obtains the decoding field after inverse transformation to replace the code field and export decoded information to unlock the engine.
From database arrangement, supplemental information is extracted to be used in the inverse transformation for executing one or more transformation；The benefit
Filling information includes at least one of: algorithm, rule, one or more transformation parameters, the supplemental information are expressed as executing one
Or when multiple transformation reference transformation rule, the inverse transformation of one or more of transformation is executed according to the transformation rule.
In the embodiment of the present invention, the executable inverse transformation using at least one or more following transformation of the decoder:
Interpolated value, extrapolated value, pulse code modulated, Huffman encoding, arithmetic coding, range coding, transition coding.
In addition, the encoded information includes the code field of the data formation of one or more transformation and removes coded word
Source code field after section, the source code field are again included in oss message.
Specifically, the encoded information is carried out inverse transformation according to the supplemental information of one or more of transformation, that is, exist
On the basis of the transformation rule, the code field is subjected to inverse transformation to obtain decoding field.Specific manifestation has: according to institute
It states oss message and is transformed into the coding record generated when encoded information, corresponding one or more transformation are recorded to the coding
Data extract, further according to the preset transformation rule, to algorithm, rule and the one or more for converting and applying to
Transformation parameter carries out Back Up, inverse as described in will originally add the data of a rule transformation to carry out subtracting one inversely rule variation as
To variation.The data of one or more transformation after inverse transformation are replaced into the code field to the corresponding position of the transformation
It sets, definition is the decoding field through replaced code field, and exports decoded information.
In addition, the unlock authentication module of the engine receives the decoded information, examines having for the decoded information
Effect property will trigger unlock instruction if the decoded information has validity to be sent to the control module of the engine.
Also, it is described to start to receive the starting request that terminal is sent in movement for the control module of the engine
Engine.The process includes the verifying to starting request and the starting for engine and the enabled instruction that triggers.
The present invention is based on CAN bus to realize that mobile terminal controls and unlock starting multiterminal engine, utilizes preset decoding
Device executes decoding operate, and unlock is relied primarily in the inverse transformation to code field, and then obtains decoding field and started with unlocking
Machine provides quick convenient solution lock means.
Please refer to a kind of attached structural frames of another embodiment of CAN bus based vehicle system for unlocking shown in Fig. 4
Scheme, is additionally provided in the CAN bus based vehicle system for unlocking and is built for realizing the communication between controller and mobile terminal
Vertical related function module, specifically includes:
Second obtains module 21: for obtaining in response to receiving the communication request that mobile terminal is sent by the controller
The corresponding verification information of the terminal.
The process is main it is emphasised that connection setup between the controller and mobile terminal, specific manifestation includes being based on
Controller described in CAN bus is equipped with the communication port being wirelessly connected with wireless network, receives the shifting by the communication port
The communication request that dynamic terminal is sent carries out the verifying of the verification information of terminal by the verifying to the communication request, wherein institute
It states verification information and is contained in the communication request.
In the embodiment of the present invention, the verification information further includes the account letter for being associated with the mobile terminal for controller and logging in
Breath, by preassembled application program in the mobile terminal or in advance by cloud server registration information, described in obtaining
The account information that controller associated mobile terminal logs in, wherein the account information is from the account information that application program generates to cloud
Server registration is obtained or is directly obtained by the registration information, and account information includes opposite with the controller of engine apparatus
The ID number answered and log in key.
In the embodiment of the present invention, the verification information includes the ID identifying code of the mobile terminal, by examining the ID
Whether identifying code, the available mobile terminal have legitimacy and validity, are in particular in and examine the movement whole
End whether have communicated between legal networking permission and terminal and WLAN selection network channel it is whether smooth.
The mobile terminal sends the communication request and has specifically included any one following form of expression: the first, benefit
The picture recognition module scanning being equipped with the mobile terminal it is preset about connect two dimensional code provided by the controller or
Bar code is associated with the controller to obtain corresponding verification information, is had based on the controller logical between cloud server
Module is interrogated, mobile terminal will send the communication request comprising the verification information to cloud accordingly for associated controller and take
Business device；Second, preset account information is inputted to bind in corresponding input frame in the corresponding application program of the mobile terminal
The controller；The third is that preset web page interlinkage is logged in using mobile terminal, inputs preset account information and is sent to
Cloud server receives the received account information of cloud server and is verified with the account information being pre-stored in server
Check results afterwards, verification are associated with the controller after.The essence of the form of expression is to set in the engine
Standby end, which verifies the communication request and sends verification result, realizes the dedicated communication channel of building to mobile terminal or in clothes
It verifies the communication request and bridges the communication between the engine apparatus and mobile terminal in business device end.
In the embodiment of the present invention, the communication between the mobile terminal and controller can be real by long-range cloud server
Existing telecommunication, such as 4G；The communication moved equally between terminal and controller can also be by the wireless communication means of short distance
Realize near-field communication, wherein the wireless communication means of the short distance include it is following any one or more: ZigBee, bluetooth
(Bluetooth), infrared (IrDA), WLAN 802.11 (Wi-Fi), ultra-wideband (UltraWideBand), short distance are logical
Believe (NFC), WiMedia, GPS, DECT, wireless 139 and private radio systems etc..
Authentication module 22: for verifying the validity of the communication request to be associated with the movement according to the verification information
Terminal.
Specifically, obtaining the corresponding authority content of the mobile terminal, the authority content packet according to the verification information
The power for including mobile terminal starting or closing the engine Permission Levels, the engine operating state situation being known
Limit any one or more in grade.
In the embodiment of the present invention, when the communication between the controller and mobile terminal passes through the channel radio of short distance conveniently
Duan Shi, after which is associated by the relevant communication request of transmission, the controller will verify the communication request
Validity, be in particular in judge preset account information that the mobile terminal is sent whether be stored in controller to
Verifying account information matches, and when the preset account information matches with account information to be verified, confirms that the communication is asked
The validity asked simultaneously is opened with the communication port of mobile terminal to realize data transmission；When the preset account information with it is to be verified
When account information does not match, it is correctly preset to prompt user to input again to the mobile terminal to feed back invalid feedback information
Account information.
It, should be in reality when the controller is realized by cloud server and mobile terminal to be communicated in the embodiment of the present invention
Before being associated between existing mobile terminal and controller, the verifying of communication request will be carried out, i.e., inputted in mobile terminal relevant
When account information is with game server, server will receive corresponding account information and to be tested in server by being pre-stored within
Card account information is verified, and after verification passes through, establishes the communication between mobile terminal and controller.
Receiving module 23: it for being based on verification result, receives the decoding request that the mobile terminal is sent and is controlled with realizing
Corresponding engine.
Specifically, the verification result includes sending invalid feedback information when the communication request does not meet validity
To the mobile terminal；When the communication request meets validity, opens communication port and the mobile terminal is realized wirelessly
Communication.
In addition, the engine is there are the setting of coding, needs to use decoder in this setting and is decoded,
The mobile terminal sends the decoding request to engine, specifically takes the form of controller and receives what mobile terminal was sent
Decoding request, and then trigger solution code instruction and the decoder is promoted to execute decoding operate to decoder.Wherein when described mobile whole
When holding one or more associated engine apparatus, the controller of the engine apparatus obtains the mobile terminal respectively and sends
Decoding request, in the engine generation for parsing the specified operation for including in the decoding request, claims information and priority, based on default
Serial communication standard described in controller by send solution code instruction to decoder and for the specified operation engine carry out
Decoding.Wherein the priority includes the priority and control that data are transmitted between the engine and controller of the specified operation
The priority communicated between device processed and mobile terminal is embodied in the speed of transmission rate and the power of signal of communication.
It includes that the engine generation of operation is specified to claim information that the decoder, which receives, copes with the engine generation title information,
The encoded information of the engine is obtained to execute decoding operate.
In addition, the effect of the CAN bus, which is essentially consisted in, is set out from the connecting node with controller to entire local area network
In any one node-node transmission described in solution code instruction or other operational orders.It is logical by what is formed between mobile terminal and controller
Believe that channel, the controller receive the decoding that mobile terminal is sent and request to control corresponding engine, wherein decoder and hair
Information transmission is carried out using CAN bus between motivation, realizes the purpose of bus marco multiterminal engine.
It, can also be in it should be noted that the corresponding module of the embodiment of the present invention is not limited to carry out in cloud server
It is carried out in the controller.
Further, it is additionally provided in the CAN bus based vehicle system for unlocking and triggers solution code instruction for controller
And the functional module of dependent instruction is executed, it specifically includes:
Respond module 31: corresponding with the verification result for being sent in response to decoding request to corresponding decoder
Verifying message.
The controller and mobile terminal realization are interrelated, generate relevant verifying message simultaneously based on the verification result
It is sent to the decoder, the decoder verifies the verifying message received, includes in the parsing verifying message
Certificate parameter information, wherein the generation that the certificate parameter information includes engine claims information and priority.
In the embodiment of the present invention, after the generation that the decoder receives the engine claims information and priority, retrieval is extremely
The parameter information that a few engine prestores claims the confirmation of the contrast relationship between information and parameter information to specify according to the generation
Engine.
Sending module 32: the feedback message about the verifying message for being sent according to Rcv decoder sends solution
Code instruction is to the decoder to execute decoding operate.
The decoder, which receives the verifying message specific manifestation, to be had: retrieving the parameter letter that at least one engine prestores
Breath, the engine for claiming the confirmation of the contrast relationship between information and parameter information specified according to the generation.The wherein parameter information
The inside setting parameter for indicating the engine, specifically includes backup oss message, encoded information of engine etc..Work as retrieval
Mutually deserved feedback message is generated after errorless.
The controller receives the feedback message that the decoder is sent, and confirms the validity of the feedback message and legal
Property, wherein the validity and legitimacy are in particular in that the state about the engine for including in the feedback message is believed
Breath and it is described verifying message the accurate goodness of fit, when the engine operation normally without mistake and it is described verifying message essence
When the quasi- goodness of fit reaches certain threshold value or more, mutual solution code instruction will be generated based on preset serial communication standard and sent extremely
Corresponding decoder promotes the decoder to execute decoding operate to execute.
In addition, the controller further includes receiving the feedback message from other devices, and then generate corresponding control
Instruction, such as enabled instruction, flame-out instruction, wherein the enabled instruction and flame-out instruction for control the engine starting and
It closes and generates.Method provided by the invention successfully avoid be inserted directly into the prior art physical key to burglary-resisting system into
Row cracks the not steady and sure sense of mode bring firmly, increases more safety guarantee, passes through testing between mobile terminal and controller
Long-range control of the mobile terminal to engine is realized in card communication, overcomes the unicity of burglary-resisting system and the complicated journey of activation system
Degree.
Generally speaking, it realizes that mobile terminal control and unlocked the present invention is based on CAN bus and starts multiterminal engine, using pre-
The decoder set executes decoding operate, and unlock is relied primarily in the inverse transformation to code field, so obtain decoding field with
Engine is unlocked, quick convenient solution lock means are provided.In addition, being believed by the communication formed between mobile terminal and controller
Road, the controller receive the decoding that mobile terminal is sent and request to control corresponding engine, carry out information using CAN bus
Transmission, realizes the purpose of bus marco multiterminal engine；Moreover, it avoids and is inserted directly into entity key in the prior art
Spoon cracks the not steady and sure sense of mode bring firmly to burglary-resisting system progress, increases more safety guarantee, by mobile terminal and
Long-range control of the mobile terminal to engine is realized in verifying communication between controller, is overcome the unicity of burglary-resisting system and is opened
The complexity of dynamic system.
In the instructions provided here, although the description of a large amount of detail.It is to be appreciated, however, that of the invention
Embodiment can practice without these specific details.In some embodiments, it is not been shown in detail well known
Methods, structures and technologies, so as not to obscure the understanding of this specification.
Although having been illustrated with some exemplary embodiments of the invention above, those skilled in the art will be managed
Solution, in the case where not departing from the principle of the present invention or spirit, can make a change these exemplary embodiments, of the invention
Range is defined by the claims and their equivalents.
Claims (10)
1. a kind of CAN bus based unlocking method of vehicle, which comprises the following steps:
According to the decoding request obtained by controller, the anti-theft cipher information of at least one engine is obtained by CAN bus；
Extract the data of one or more transformation in code field corresponding with the anti-theft cipher information and the code field；
According to preset transformation rule, inverse transformation is carried out for the data of one or more transformation, and obtain the solution after inverse transformation
Code field is to replace the code field and export decoded information to unlock the engine.
2. according to method described in claim 1, which is characterized in that the transformation includes to the corresponding oss message of the engine
In field encoded and/or compressed.
3. the method according to claim 1, wherein further comprising the steps of:
In response to receiving the communication request that mobile terminal is sent by the controller, the corresponding verification information of the terminal is obtained；
According to the verification information, the validity of the communication request is verified to be associated with the mobile terminal；
Based on verification result, the decoding request that the mobile terminal is sent is received to realize the corresponding engine of control.
4. according to the method described in claim 3, it is characterized in that, further comprising the steps of:
Verifying message corresponding with the verification result is sent to corresponding decoder in response to decoding request；
The feedback message about the verifying message sent according to Rcv decoder, sends solution code instruction to the decoder to hold
Row decoding operate.
5. the method according to claim 1, wherein the transformation rule includes according to preset algorithm to source code
Information is handled with output coding information.
6. a kind of CAN bus based vehicle system for unlocking, which is characterized in that comprise the following modules:
First obtains module: for requesting according to the decoding obtained by controller, obtaining at least one engine by CAN bus
Anti-theft cipher information；
Extraction module: for extracting in code field corresponding with the anti-theft cipher information and the code field one or more
The data of a transformation；
Inverse transform module: for carrying out inverse transformation for the data of one or more transformation, and obtain according to preset transformation rule
Decoding field after taking inverse transformation is to replace the code field and export decoded information to unlock the engine.
7. according to system as claimed in claim 6, which is characterized in that the transformation includes to the corresponding oss message of the engine
In field encoded and/or compressed.
8. system according to claim 6, which is characterized in that further include with lower module:
Second obtains module: for obtaining the terminal in response to receiving the communication request that mobile terminal is sent by the controller
Corresponding verification information；
Authentication module: for verifying the validity of the communication request to be associated with the mobile terminal according to the verification information；
Receiving module: for being based on verification result, the decoding request that the mobile terminal is sent is received to realize that control is corresponding
Engine.
9. system according to claim 8, which is characterized in that further include with lower module:
Respond module: for sending verifying corresponding with the verification result to corresponding decoder in response to decoding request
Message；
Sending module: the feedback message about the verifying message for being sent according to Rcv decoder sends solution code instruction
To the decoder to execute decoding operate.
10. system according to claim 6, which is characterized in that the transformation rule includes according to preset algorithm to source
Code information is handled with output coding information.
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| CN201710123496.5A CN106740683B (en) | 2017-03-03 | 2017-03-03 | CAN bus based unlocking method of vehicle and its system |
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| CN201710123496.5A CN106740683B (en) | 2017-03-03 | 2017-03-03 | CAN bus based unlocking method of vehicle and its system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US5604384A (en) * | 1993-02-08 | 1997-02-18 | Winner International Royalty Corporation | Anti-theft device for motor vehicle |
| JPH08150900A (en) * | 1994-11-30 | 1996-06-11 | Nippon Denso Co Ltd | Antitheft device for vehicle |
| CN104320218B (en) * | 2014-10-30 | 2018-01-09 | 北京思特奇信息技术股份有限公司 | A kind of convenient DCC message coding/decoding system and method |
| CN104786988B (en) * | 2015-04-22 | 2018-07-13 | 北京兴科迪科技有限公司 | A kind of double authentication for vehicle is into door control method |
| CN104842939A (en) * | 2015-06-08 | 2015-08-19 | 重庆平茂汽车配件有限公司 | Antitheft system and antitheft method for vehicle |
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