CN104601329B - Car-mounted terminal, information of vehicles delivery system and method - Google Patents
Car-mounted terminal, information of vehicles delivery system and method Download PDFInfo
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- CN104601329B CN104601329B CN201410830569.0A CN201410830569A CN104601329B CN 104601329 B CN104601329 B CN 104601329B CN 201410830569 A CN201410830569 A CN 201410830569A CN 104601329 B CN104601329 B CN 104601329B
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Abstract
The present invention relates to car-mounted terminal, information of vehicles delivery system and methods.Car-mounted terminal as data providing is based on WAVE standards, including：Generation module, for generating the infomational message containing data providing self information, which includes the identity of the public key and data providing of data providing；Sending module, for sending infomational message；Receiving module, for receiving the application message from the car-mounted terminal as request of data side, this application message includes the key of request of data side and the data information that request is shared；Generation module is additionally operable to according to the key of request of data side be data encryption to be shared, generates data message；Sending module is additionally operable to send data message.The sensitive informations such as CAN, GPS of data key provider by using request of data side are encrypted, avoid the vehicle application decrypting sensitive information of the vehicle and unauthorized other than request of data side so that sensitive data being capable of safely direction propagation between vehicle.
Description
Technical field
The present invention relates to car networking fields, and in particular to is based on WAVE (Wireless Access in Vehicle
Environment, onboard wireless access) standard car-mounted terminal, information of vehicles delivery system and method.
Background technology
Car networking is based on interior net, vehicle border net and vehicle-mounted mobile internet, according to the communication protocol sum number of agreement
According to interactive standards the big system with information exchange is communicated wirelessly between vehicle-X (X represents vehicle, road, pedestrian and internet etc.)
System network is that by the integrated network of intelligent traffic management, Intelligent Dynamic information service and Vehicular intelligentization control.
Currently, the WAVE truck traffics based on 802.11p agreements start greatly to be paid close attention to by people.Vehicle based on WAVE
Mounted terminal can get installation vehicle CAN (Controller Area Network, controller LAN) bus data,
The sensitive datas such as GPS (Global Positioning System, global positioning system) information and onboard sensor reading, this
An a little parts of the data as car owner's privacy, need to be protected.On the other hand, the realization of many many aspects of vehicle safety applications needs to rely on
These sensitive datas above-mentioned.
Invention content
According to the first aspect of the invention, a kind of car-mounted terminal based on WAVE standards is provided, the car-mounted terminal is number
According to provider, including：Generation module, for generating the infomational message containing data providing self information, the self information
The identity of public key and data providing including data providing；Sending module, for sending out described information message
It goes；Receiving module, for receiving the application message from the car-mounted terminal as request of data side, the application message includes number
According to the shared data information of the public key of requesting party and request；The generation module is additionally operable to the public key according to the request of data side
For data encryption to be shared, data message is generated；The sending module is additionally operable to send the data message.
Further, the car-mounted terminal further includes：Authorization module is used to determine whether to license to the request of data side
With shared data；The generation module determines whether to generate the data message according to the authorization module.
Further, the authorization module be used for according to receive operator instruction, and/or preset condition,
And/or according to the application message, it is determined whether license to the request of data side with shared data.
Further, the sending module, which is additionally operable to send the response to the data according to the definitive result of authorization module, asks
The side of asking.
Further, the authorization module includes authorization message table, and the authorization message table includes the request of data side
Identity, the request of data side public key, the shared data information of request and shared time, the request is shared
Data information be the data providing the data with privacy requirements, include the controller local of the data providing
At least one of network bus data, GPS system information and onboard sensor reading, the shared time is the number
Agree to the duration by the data sharing to be shared to the request of data side according to provider.
Further, the authorization module is additionally operable to update the authorization message table, and the newer trigger condition includes：
It is updated when the shared time is zero in the authorization message table, or according to the request of data side received again
Information is updated.
Further, the application message is the message after the public key encryption using the data providing；It is described vehicle-mounted
Terminal further includes deciphering module, the application message for being received according to the public key decryptions of the data providing, is obtained
The data information that the public key of the request of data side and request are shared.
Further, the sending module is sent using one or more modes in broadcast, unicast, multicast.
According to the second aspect of the invention, a kind of car-mounted terminal being accessed standard based on onboard wireless is provided, it is described vehicle-mounted
Terminal is request of data side, including：Receiving module, for receiving the information report from the car-mounted terminal as data providing
Text, described information message include the identity of the public key and data providing of data providing；Sending module connects for basis
Application message is sent to the data providing by the infomational message received, and the application message includes the request of data side
Public key and the shared data information of request；The receiving module is additionally operable to receive the datagram from the data providing
Text, the data message are the encrypted data to be shared of key using the request of data side；Deciphering module is used for basis
The private key of the request of data side parses the data message received.
Further, the car-mounted terminal further includes：Generation module, for the public key according to the data providing received
Application information is encrypted, encrypted application message is generated；The sending module is used to send out the encrypted application message
Give the data providing.
Further, the shared data information of the request is the data with privacy requirements of the data providing,
In Controller Area Network BUS data, GPS system information and onboard sensor reading including the data providing
It is at least one.
According to the third aspect of the invention we, a kind of information of vehicles delivery system being accessed standard based on onboard wireless is provided,
Including：Data providing, the data receiver are car-mounted terminal as described above；Request of data side, the request of data side
For car-mounted terminal as described above.
According to the fourth aspect of the invention, a kind of information of vehicles dissemination method being accessed standard based on onboard wireless is provided,
It uses car-mounted terminal as described above as data providing；Using car-mounted terminal as described above as request of data side.
The invention has the advantages that the vehicle as data providing sends self information for request of data side
It uses, the key of itself is sent to data providing by the vehicle as request of data side according to the information of data providing, number
It is sent after being encrypted according to the data key of request of data side according to provider, to which only request of data can decrypt
The data of data providing, and other vehicles can not then crack data and provide the encryption data sent out so that it is sensitive between vehicle
Data are capable of the propagation of safety.
Description of the drawings
Fig. 1 is the sequential signal of the information of vehicles delivery system based on WAVE standards of the embodiment of the present invention one at work
Figure；
Fig. 2 is the sequential signal of the information of vehicles delivery system based on WAVE standards of the embodiment of the present invention two at work
Figure；
Fig. 3 is the sequential signal of the information of vehicles delivery system based on WAVE standards of the embodiment of the present invention three at work
Figure.
Specific implementation mode
In order to which the sensitive data for enabling CAN, GPS and sensor reading etc. to have privacy requirements is safely mutually cut-offfing
It is transmitted between, other uncorrelated vehicles is avoided to obtain these sensitive informations, it may be considered that use encryption technology.Encryption is exactly
Data are converted by cryptarithm, make the report that anyone can not understand under the premise of not correct key
Text.And these data occurred in the form of it can not understand are commonly referred to as ciphertext.In order to understand message, ciphertext must turn again
Become its original form i.e. in plain text.The whether identical standard of the key that Encryption Algorithm is received and dispatched according to both sides is divided into two major classes：
One is conventional algorithm (being also personal key algorithm or symmetric encipherment algorithm), it is characterized in that destination and originator use it is identical
Key, i.e. encryption key and decruption key is identical or of equal value.The advantages of ordinary cryptographic be have very strong encryption strength, and
Be able to take the inspection and attack of time, but its key must be transmitted by the approach of safety, thus its key management become be
The key factor for safety of uniting.Another is public key encryption algorithm (being also rivest, shamir, adelman).It is characterized in that destination and
The key that originator uses is different, and hardly possible derives decruption key from encryption key.Public key cryptography it is excellent
Point is to be adapted to the open of network to require, and cipher key management considerations are also relatively simple, especially can easily realize digital label
Name and verification.But its algorithm is complicated, and the rate of encryption data is slower.
The present invention is based on the publishers that encryption technology proposes the car-mounted terminal based on WAVE and its sensitive data of acquisition
Method and system.
Below by specific embodiment combination attached drawing, invention is further described in detail.For the sake of convenient, implement below
Example will be referred to as request of data side as the car-mounted terminal having based on WAVE and its place vehicle of request of data side, by conduct
The car-mounted terminal having based on WAVE and its place vehicle of data providing are referred to as data providing.Wherein, data provide
Side can provide the sensitive data with privacy requirements to request of data side, including CAN, GPS of such as this vehicle or sensor are read
At least one of number etc..
Embodiment one：
Fig. 1 show the information of vehicles delivery system based on WAVE standards of an embodiment of the present invention at work when
Sequence schematic diagram.Wherein, which includes car-mounted terminal as data providing based on WAVE standards and as request of data
The car-mounted terminal based on WAVE standards of side.The Fig. 1 similarly shows the flow chart of corresponding information of vehicles dissemination method, i.e.,
Include the following steps 101~106.
Step 101. data providing sends infomational message.
In the step 101, infomational message contains data providing self information, which includes data providing
Public key and data providing identity, which can be the device name of such as car-mounted terminal.For data
The private key of provider is then deposited by data providing is close, need not be sent.The mode that broadcast may be used in data providing is sent out
Send infomational message.
Step 102. request of data side receives infomational message.
In the step 102, request of data side can by way of real-time or period timing listening broadcast, once monitor
To broadcast, then the broadcast is received, therefrom obtains public key and the identity of data providing.
Step 103. request of data side sends not encrypted application message, and data providing receives application message.
In the step 103, application message includes the public key of request of data side and the data information that request is shared.To,
Subsequently after data providing receives the key, after retransmiting encryption after being encrypted using key pair data to be shared
Data, and request of data side can then utilize the data of the private key pair encryption of itself be decrypted and carried to obtain data providing
The data of confession；It is possible thereby to improve the safety of information of vehicles issuing process.
In the present embodiment, applying for the format of message can include successively：The identity of data providing, request of data
The identity of side, shared data use duration, the key of the type of the shared data of request and data requesting party.Wherein,
The identity of data providing can be used for finding out the mesh for wanting to obtain data from multiple data providings that may be present
Vehicle is marked, such as application message is sent to data providing by request of data side in a manner of unicast；The identity of request of data side
Mark is that the whole network is unique, can be for example, by the MAC Address for the equipment being connected with car-mounted terminal and its group with other data
It closes to realize；Shared data is the time for referring to data requesting party and needing the data shared using data providing using duration
Length (such as a period of time backward from now on)；The type of the shared data of request refers to that request of data side need to be to be used
Any or which kind in data type, e.g. CAN, GPS and/or sensing data；The key of request of data side can be with
It is the encryption key of the public key either symmetric cryptography of asymmetric encryption.In a kind of embodiment, in for example intelligent hand of intelligent terminal
APP (application program) is set on machine, is communicated with the car-mounted terminal based on WAVE standards for being used as request of data side by APP,
The information of the car-mounted terminal is shown on APP, or is then sent by the car-mounted terminal by receiving content input by user
To other vehicles.In this embodiment, the identity of request of data side can be the MAC Address of the corresponding equipment of the APP.
Step 104. data providing encrypted data.
In the step 104, data providing is according to the application message received, from the close of wherein acquirement request of data side
Key, and be encrypted using the key pair sensitive data (data i.e. to be shared), obtain encrypted data message.
Step 105. data providing sends encrypted data message, and request of data side receives encrypted data message.
In the step 105, data providing sends encrypted data message, sending method can be unicast, multicast,
Or broadcast.
Step 106. request of data side secret key decryption data.
In the step 106, the data message that request of data side is received with secret key decryption when applying for message, then i.e.
The data after these decryption can be used as needed.
By the above process, self information is sent as the vehicle of data providing and is used for request of data side,
The key of itself is sent to data providing by the vehicle as request of data side according to the information of data providing, and data provide
Root is sent after being encrypted according to the data key of request of data side, to only request of data can ciphertext data carry
The data of supplier, and other vehicles can not then crack data and provide the encryption data sent out so that sensitive data energy between vehicle
The propagation of enough safety.
Correspondingly, the present embodiment additionally provides a kind of car-mounted terminal based on WAVE standards, is used as data providing,
Including generation module, sending module and receiving module.Generation module is for generating the information containing data providing self information
Message, these self informations include the identity of the public key and data providing of data providing；Sending module will be for that will give birth to
At infomational message send；Receiving module is for receiving the application message from the car-mounted terminal as request of data side；
Then generation module is additionally operable to according to the key of the request of data side carried in application message be data encryption to be shared, generates number
According to message；And sending module is then additionally operable to send the data message.The function realization of each module can refer to preceding method
Correlation step in description, is not repeated herein.
Accordingly, the present embodiment additionally provides a kind of car-mounted terminal based on WAVE standards, is used as request of data side,
Including receiving module, sending module and deciphering module.Wherein, receiving module is for receiving from the vehicle as data providing
The infomational message of mounted terminal；Sending module is used for according to the infomational message received, and application message is sent to data providing,
This application message includes the key of request of data side and the data information that request is shared；And receiving module is additionally operable to receive and come from
The data message of data providing, the data message are the encrypted data to be shared of key using request of data side；Decryption
The data message that module is used to be received according to the key pair of request of data side is parsed.The function realization of each module can refer to
Correlation step in preceding method description, is not repeated herein.
Embodiment two：
At work Fig. 2 shows the information of vehicles delivery system based on WAVE standards of another embodiment of the invention
Time diagram.Similar to embodiment one shown in FIG. 1, the system of the present embodiment two equally includes the base as data providing
Car-mounted terminal in WAVE standards and the car-mounted terminal based on WAVE standards as request of data side, similarly show pair
The flow chart for the information of vehicles dissemination method answered, that is, include the following steps 201~208.
Step 201. data providing sends infomational message.Infomational message contains data providing self information, this itself
Information includes the identity of the public key and data providing of data providing, which can be such as car-mounted terminal
Device name.For the private key of data providing, is then deposited, need not be sent by data providing is close.Data providing can
Infomational message is sent in a manner of using broadcasting.
Step 202. request of data side receives infomational message.Specifically, request of data side can be fixed by the real-time or period
When mode listening broadcast then receive the broadcast once listening to broadcast, therefrom obtain data providing public key and identity mark
Know.
The public key encryption application of step 203. request of data side.Specifically, request of data side uses and obtains from step 202
The public key of data providing obtains encrypted application message to asking the application information of shared data to be encrypted.Application report
Text format can include successively：The identity of data providing, the identity of request of data side, the use of shared data
Duration, request shared data type and data requesting party key.Wherein, the identity of data providing can be used for
The target vehicle for wanting to obtain data is found out from multiple data providings that may be present, such as request of data side is with unicast
Mode by apply message be sent to data providing；The identity of request of data side is that the whole network is unique, can pass through example
It the MAC Address for the equipment being such as connected with car-mounted terminal and its realizes with the combinations of other data；Shared data uses duration
It is time span (such as one section backward from now on for referring to data requesting party and needing the data shared using data providing
Time)；The type of the shared data of request, which refers to request of data side, needs data type to be used, e.g. CAN, GPS and/or
Any or which kind in sensing data；The key of request of data side can be that the public key of asymmetric encryption is either symmetrical
Encrypted encryption key.In a kind of embodiment, APP (application program) is set on intelligent terminal such as smart mobile phone, passes through APP
It is communicated with the car-mounted terminal based on WAVE standards as request of data side, the information of the car-mounted terminal is shown on APP, or
Then person is sent to other vehicles by receiving content input by user by the car-mounted terminal.In this embodiment, data are asked
The identity for the side of asking can be the MAC Address of the corresponding equipment of the APP.In the step 303, since application message includes
The data information that the key of request of data side and request are shared so that subsequently after data providing receives the key, profit
Encrypted data are retransmited after being encrypted with key pair data to be shared, and request of data side can then utilize itself
The data of key pair encryption are decrypted to obtain the data of data providing offer, and thus information of vehicles hair can be improved
The safety of cloth process.
Step 204. request of data side sends encrypted application message, and data providing receives application message.
Step 205. data providing decrypts the application message received with the private key being resident locally close in advance, obtains data
The relevant information of requesting party, such as the identity including request of data side, shared data use duration, the shared number of request
According to type and data requesting party key etc..
The key of step 206. data providing request of data side encrypts sensitive data to be shared, obtains encrypted number
According to message.
Step 207. data providing sends encrypted data message, and sending method can be unicast, multicast or wide
It broadcasts；Request of data side receives encrypted data message.
The data message that secret key decryption when step 208. request of data side application message receives, then can basis
It needs using the data after these decryption.
Vehicle as data providing broadcasts the public key of oneself outward first, and the vehicle as request of data side receives
This public key obtains sensitive data to data providing application with the message by this public key encryption later, includes in application message
The public key or symmetric cryptographic key of request of data side；The key sensitive data of data providing request of data side,
And it broadcasts outward, is unicast or multicast；After request of data side receives these encryption datas, with the decruption key of oneself to data into
Row decryption, completes communication process；And other vehicles cannot then decrypt the sensitive data received, which achieves determining for sensitive data
To publication.
Correspondingly, the present embodiment additionally provides a kind of car-mounted terminal based on WAVE standards, is used as data providing,
Including generation module, sending module, receiving module and deciphering module, the wherein description of generation module, sending module, receiving module
Similar previous embodiment one, is not repeated herein.It is then for corresponding according to the public key of data providing for deciphering module
Private key decrypts the application message received, obtains the key of request of data side and the data information that request is shared.The work(of each module
It can realize the correlation step that can refer in preceding method description, not repeat herein.
Accordingly, the present embodiment additionally provides a kind of car-mounted terminal based on WAVE standards, is used as request of data side,
Including receiving module, sending module, generation module and deciphering module.Wherein, receiving module is carried for receiving to come from as data
The infomational message of the car-mounted terminal of supplier；Sending module is used for according to the infomational message received, and application message is sent to number
According to provider, this application message includes the key of request of data side and the data information that request is shared；Generation module is then used for
Application information is encrypted according to the public key of the data providing received, generates encrypted application message；Then mould is sent
The encrypted application message is sent to data providing by block；And receiving module is additionally operable to receive the number from data providing
According to message, which is the encrypted data to be shared of key using request of data side；Deciphering module is used for according to number
The data message received according to the key pair of requesting party parses.The function realization of each module can refer in preceding method description
Correlation step, do not repeat herein.
Embodiment three：
Fig. 3 shows the information of vehicles delivery system based on WAVE standards of embodiment of the invention another at work
Time diagram.The present embodiment is really to increase on the basis of embodiment one or embodiment shown in Fig. 2 two shown in Fig. 1
Authorization verification process of the data providing to data requesting party.The system of the present embodiment three equally includes as data providing
Car-mounted terminal based on WAVE standards and the car-mounted terminal based on WAVE standards as request of data side, similarly show
The flow chart of corresponding information of vehicles dissemination method, that is, include the following steps 301~310.
Step 301. data providing sends infomational message.
Step 302. request of data side receives infomational message.
The public key encryption application of step 303. request of data side.The step 303 is optional step, is somebody's turn to do if selection executes
Step then subsequently needs to execute step 305.
Step 304. request of data side sends encrypted application message, and data providing receives application message.
Step 305. data providing decrypts application with the private key of itself.The step 305 is the optional step of corresponding step 303
Suddenly.
Step 306. data providing carries out Authorized operation.
Step 307. data providing sends license confirmation to request of data side.
Step 308. data providing encrypted data.
Step 309. data providing sends encrypted data message, and request of data side receives encrypted data message.
Step 310. request of data side secret key decryption data.
Step 201~205 of the description similar embodiment two of above-mentioned steps 301~305, the similar step of step 308~310
206~208, it is not repeated here herein.
For step 306 and step 307, specifically include：Data providing determines whether to license to request of data side to incite somebody to action
Sensitive data shares to request of data side, if it is determined that authorizes, data providing sends the sound of license confirmation to request of data side
It answers；Step 307 can not also be executed in one embodiment but directly execute step 308, is i.e. data providing does not send and awards
Power confirms response.Certainly, if data providing does not license to request of data side, follow-up step 308~310 are not present,
In addition, data providing can feed back the response of not license confirmation to request of data side, naturally it is also possible to not feed back the response.
For authorization, in a kind of embodiment, data providing can be instructed according to the operator received to select
Allow or refuse the access of request of data side, for example, intelligent terminal such as smart mobile phone is wirelessly such as wifi or bluetooth
It is connected Deng with the car-mounted terminal based on WAVE as data providing, is provided come display data by the APP on smart mobile phone
The information of side, include in the information whether the relevant information of authorization data requesting party, operator can pass through such as virtual key
Mode choose whether to authorize.In another embodiment, data providing can select to allow according to preset condition
Or the access of refusal request of data side, for example, data providing, which has prestored, allows the list table of request of data side etc. of access.
In another embodiment, data providing can determine whether connecing for request of data side according to the application message received
Enter, for example, after data providing receives application message, form is carried out to message and is judged as checked whether message content has gaps and omissions
The key for such as lacking requesting party allows the access of request of data side, i.e. authorization data to ask if form judges after no problem
It the side of asking can shared data.
In a kind of embodiment, data providing includes authorization message table, specifically, by mandate after data providing mandate
Authorization message table is recorded in the information mentioned in the relevant information of request of data side such as application message, such as the table records data
The identity of requesting party, the remaining time (countdown using duration of shared data i.e. above-mentioned) of shared data, request
Shared data type and data requesting party key.
In another embodiment, the remaining time that data providing can also remove shared data in authorization message table is zero
Request of data side relevant information, that is, carry out authorization message table update.In vehicular ad hoc network (Vehicle ad hoc
Networks, VANET) in environment, vehicle is typically in mobile status, when correspondence normally only remains shorter between them
Between.When two vehicles for a long time non-exchanging safety infomational message (including application message and data message), i.e., after cannot communicating, generally
It is considered that they will not meet and communicate again, so when remaining time is zero in authorization message table, then it represents that it is corresponded to
Request of data side information it is expired, then can be from authorization message table by the information deletion of the request of data side.
In addition, request of data side can be again to data providing request for data.For example, joining again when request of data side has
Net needs to change request data or extend when data usage time, can manually or automatically be carried to data
Supplier retransmits data application, and authorization message table also updates accordingly at this time.
In the above embodiment of the present invention, data providing by using the key pair vehicle of request of data side CAN,
The sensitive informations such as GPS are encrypted, and avoid the vehicle decrypting sensitive information other than request of data side's vehicle so that quick between vehicle
Feeling data being capable of safely direction propagation.
The above content is combining, specific embodiment is made for the present invention to be further described, and it cannot be said that this hair
Bright specific implementation is confined to these explanations.For those of ordinary skill in the art to which the present invention belongs, it is not taking off
Under the premise of from present inventive concept, a number of simple deductions or replacements can also be made.
Claims (8)
1. a kind of car-mounted terminal accessing standard based on onboard wireless, which is characterized in that the car-mounted terminal is data providing,
Including：
Generation module, for generating the infomational message containing data providing self information, the self information includes that data carry
The identity of the public key and data providing of supplier；
Sending module, for sending described information message；
Receiving module, for receiving the application message from the car-mounted terminal as request of data side, the application message includes
The data information that the key of request of data side and request are shared, and the application message is the public key using the data providing
Encrypted message；
Deciphering module, the application message for being received according to the public key decryptions of the data providing, obtains the number
According to the shared data information of the key of requesting party and request；
The generation module is additionally operable to according to the key of the request of data side be data encryption to be shared, generates data message；
The sending module is additionally operable to send the data message；
The data message that the sending module is sent can only be decrypted by the request of data side, and other vehicles can not then crack institute
State the data message of sending module transmission.
2. car-mounted terminal as described in claim 1, which is characterized in that further include：
Authorization module, for according to the operator's instruction received, and/or preset condition, and/or according to the application
Message, it is determined whether license to the request of data side with shared data；
The generation module determines whether to generate the data message according to the authorization module；
The sending module is additionally operable to the determination according to authorization module as a result, sending or not sending the response to the request of data
Side.
3. car-mounted terminal as claimed in claim 2, which is characterized in that
The authorization module includes authorization message table, and the authorization message table includes the identity of the request of data side, institute
The key, the shared data information of request and shared time of request of data side are stated, the shared data information of the request is
The data with privacy requirements of the data providing, including the Controller Area Network BUS data of the data providing,
At least one of GPS system information and onboard sensor reading, the shared time is agreed to for the data providing
The data sharing to be shared is given to the duration of the request of data side.
4. car-mounted terminal as claimed in claim 3, which is characterized in that
The authorization module is additionally operable to update the authorization message table, and the newer trigger condition includes：When the mandate is believed
It is updated when the shared time is zero in breath table, or is carried out more according to the information of the request of data side received again
Newly.
5. car-mounted terminal as described in claim 1, which is characterized in that
The sending module is sent using one or more modes in broadcast, unicast, multicast.
6. a kind of car-mounted terminal accessing standard based on onboard wireless, which is characterized in that the car-mounted terminal is request of data side,
Including：
Receiving module, for receiving the infomational message from the car-mounted terminal as data providing, described information message includes
The identity of the public key and data providing of data providing；
Generation module generates encrypted Shen for application information to be encrypted according to the public key of the data providing received
It please message；
Sending module, for the encrypted application message to be sent to the data providing, the application message includes institute
State the key of request of data side and the data information that request is shared；
The receiving module is additionally operable to receive the data message from the data providing, and the data message is described in use
The encrypted data to be shared of key of request of data side；
Deciphering module, the data message for being received according to the key pair of the request of data side are parsed；
The data message that the data providing is sent can only be decrypted by the deciphering module, and other vehicles can not then crack institute
State the data message of data providing transmission.
7. a kind of information of vehicles delivery system accessing standard based on onboard wireless, which is characterized in that including：
Data providing, the data receiver are car-mounted terminal as described in any one in claim 1-5；
Request of data side, the request of data side are car-mounted terminal as claimed in claim 6.
8. a kind of information of vehicles dissemination method accessing standard based on onboard wireless, which is characterized in that
Using car-mounted terminal as described in any one in claim 1-5 as data providing；
Using car-mounted terminal as claimed in claim 6 as request of data side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410830569.0A CN104601329B (en) | 2014-12-26 | 2014-12-26 | Car-mounted terminal, information of vehicles delivery system and method |
Applications Claiming Priority (1)
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| JP2017059894A (en) * | 2015-09-14 | 2017-03-23 | 株式会社オートネットワーク技術研究所 | Communication system |
| CN105897669A (en) * | 2015-11-11 | 2016-08-24 | 乐卡汽车智能科技（北京）有限公司 | Data sending method, data receiving method, sending terminal, receiving terminal and CAN bus network |
| CN105591858B (en) * | 2015-12-02 | 2019-03-29 | 广州汽车集团股份有限公司 | A kind of automobile-used gateway control method and control device |
| CN105931479B (en) * | 2016-06-08 | 2019-03-22 | 上海汽车集团股份有限公司 | Interacting instant information method and its system between a kind of vehicle |
| WO2018029893A1 (en) * | 2016-08-10 | 2018-02-15 | Kddi株式会社 | Data provision system, data security device, data provision method, and computer program |
| EP3499793B1 (en) | 2016-08-10 | 2021-11-10 | KDDI Corporation | Data provision system, data security device, data provision method, and computer program |
| SG10201705960QA (en) | 2017-07-20 | 2019-02-27 | Huawei Int Pte Ltd | System and method for managing secure communications between modules in a controller area network |
| WO2021031027A1 (en) * | 2019-08-16 | 2021-02-25 | 华为技术有限公司 | Method and device for data transmission between internet of vehicles devices |
| CN113079511B (en) * | 2019-12-17 | 2023-11-03 | ***通信集团河南有限公司 | Method, device, vehicle and storage medium for sharing information between vehicles |
| CN114363894B (en) * | 2020-09-27 | 2024-06-04 | 花瓣云科技有限公司 | Data transmission method and device |
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