CN108199848A - A kind of safety protecting method of car running computer, apparatus and system - Google Patents
A kind of safety protecting method of car running computer, apparatus and system Download PDFInfo
- Publication number
- CN108199848A CN108199848A CN201711483106.1A CN201711483106A CN108199848A CN 108199848 A CN108199848 A CN 108199848A CN 201711483106 A CN201711483106 A CN 201711483106A CN 108199848 A CN108199848 A CN 108199848A
- Authority
- CN
- China
- Prior art keywords
- car running
- running computer
- data
- control terminal
- crypto chip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/3226—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using a predetermined code, e.g. password, passphrase or PIN
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
Abstract
This application discloses a kind of safety protecting method of car running computer, including：When the trigger signal for receiving control terminal transmission, then the verification information of trigger signal is obtained；Judge whether verification information meets default authentication condition using crypto chip；Wherein, crypto chip is the chip being added in advance in car running computer；If so, opening operation permission.It can be seen that; by the way that crypto chip is added in car running computer in advance; come to being verified to the data information that car running computer receives; if the verification information that control terminal is sent is consistent with the default authentication condition in crypto chip; then illustrate that the verification information that control terminal is sent is legal; then the operating right of car running computer could be opened, can ensure the safety of car running computer by the method, and then car running computer preferably can be protected.Correspondingly, the safety device and system of a kind of car running computer provided by the invention, equally with above-mentioned advantageous effect.
Description
Technical field
The present invention relates to computer security technique field, more particularly to a kind of safety protecting method of car running computer, device
And system.
Background technology
It, all can be equipped with car running computer (Electronic in more and more vehicles with being constantly progressive for science and technology
Control Unit, ECU).The various data informations of vehicle when driving are obtained using car running computer, so as to user couple
Vehicle is monitored in real time, but in the prior art, the data interaction between control terminal and car running computer be all with
The form of plaintext carries out data interaction, and in the process, the control signal of car running computer is easily distorted by illegal molecule intercepting and capturing, from
And so that car running computer is in dangerous state, and great economic loss is caused to user.What kind of so protected with method
The security performance of car running computer is demonstrate,proved, is those skilled in the art's urgent problem to be solved.
Invention content
In view of this, the purpose of the present invention is to provide a kind of safety protecting method of car running computer, apparatus and system, with
Improve the security performance of car running computer.Its concrete scheme is as follows：
A kind of safety protecting method of car running computer, including：
When the trigger signal for receiving control terminal transmission, then the verification information of the trigger signal is obtained；
Judge whether the verification information meets default authentication condition using crypto chip；Wherein, the crypto chip is
The chip being added in advance in car running computer；
If so, opening operation permission.
Preferably, it further includes：
If it is not, being then not turned on operating right, and send out prompt messages.
Preferably, the verification information includes verification password and first key.
Preferably, it is described to judge whether the verification information meets the process of default authentication condition using crypto chip, packet
It includes：
Judge whether the verification password is consistent with default verification password；
If so, decrypting preset data using the first key, ciphertext data is obtained；Wherein, the preset data is
Advance with the data that the corresponding second key pair primary data of the first key is encrypted；
Judge whether the ciphertext data is consistent with the primary data.
Preferably, it is described if so, after the process of opening operation permission, further include：
The fuel consumption data and/or run-length data and/or position data of record vehicle, and stored.
Correspondingly, the invention also discloses a kind of safety device of car running computer, including：
Data acquisition module, for when receiving the trigger signal that control terminal is sent, then obtaining the trigger signal
Verification information；
Data judgment module, for judging whether the verification information meets default authentication condition using crypto chip；Its
In, the crypto chip is the chip being added in advance in car running computer；
Permission opening module, for if so, opening operation permission.
Correspondingly, the invention also discloses a kind of security protection system of car running computer, including car running computer, code core
Piece, control terminal and processor；Wherein, the crypto chip is the chip being added in advance in the car running computer；The place
Reason device is used to perform following steps：
When the car running computer receives the trigger signal that the control terminal is sent, then the trigger signal is obtained
Verification information；
Judge whether the verification information meets default authentication condition using the crypto chip；
If so, open the operating right of the car running computer.
Preferably, it further includes：
It is arranged on car running computer, for prompting the alarm of vehicle fault message when driving.
Preferably, it further includes：
It is arranged on car running computer, for showing the display of vehicle each item data when driving.
Preferably, it further includes：
It is arranged on car running computer, for storing the memory of vehicle data information when driving.
In the present invention, a kind of safety protecting method of car running computer, including：When the triggering for receiving control terminal transmission
During signal, then the verification information of trigger signal is obtained；Judge whether verification information meets default authentication condition using crypto chip；
Wherein, crypto chip is the chip being added in advance in car running computer；If so, opening operation permission.
As it can be seen that by adding crypto chip in car running computer in advance, crypto chip can be utilized to receive car running computer
To data information verified, if control terminal send verification information and the default authentication condition phase in crypto chip
Symbol then illustrates that the verification information that control terminal is sent is legal, then could open the operating right of car running computer, pass through this
Method can avoid car running computer from receiving illegal data information, so as to ensure that the safety of car running computer, and then can
Car running computer is preferably protected.Correspondingly, the safety device and system of a kind of car running computer provided by the invention,
Equally there is above-mentioned advantageous effect.
Description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention, for those of ordinary skill in the art, without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of safety protecting method flow chart of car running computer provided in an embodiment of the present invention；
Fig. 2 is the safety protecting method flow chart of another car running computer provided in an embodiment of the present invention；
Fig. 3 is a kind of safety shield apparatus figure of car running computer provided in an embodiment of the present invention；
Fig. 4 is a kind of security protection system structure chart of car running computer provided in an embodiment of the present invention；
Fig. 5 is the security protection system structure chart of another car running computer provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment shall fall within the protection scope of the present invention.
The embodiment of the invention discloses a kind of safety protecting method of car running computer, as shown in Figure 1, this method includes：
Step S11：When the trigger signal for receiving control terminal transmission, then the verification information of trigger signal is obtained；
Step S12：Judge whether verification information meets default authentication condition using crypto chip；
Wherein, crypto chip is the chip being added in advance in car running computer；
Step S13：If so, opening operation permission.
In practical application, the data exchange process between car running computer and control terminal is typically all with the shape of plaintext
Formula interacts, and in the process, the interaction data between control terminal and car running computer is easy to be cut by some criminals
It takes and either distorts, so as to which the related data in car running computer be allowed to be in dangerous state.In the present embodiment, it is to be expert in advance
Crypto chip is added in vehicle computer, and relevant data encryption algorithm, signature verification either number are integrated in crypto chip
According to verification scheduling algorithm, so when car running computer receives the trigger signal of control terminal transmission, can be triggered again by obtaining
The verification information of signal come judge send trigger signal control terminal whether be car running computer legal information source.
If the specifically, pre- setting authentication item that the trigger signal that the control terminal is sent passes through crypto chip in car running computer
Part, illustrates the legal information source that the trigger signal is car running computer, car running computer can to the trigger signal of control terminal into
Row response, so as to open the various operating rights of car running computer.If the trigger signal that control terminal is sent is not over driving
The default authentication condition of crypto chip in computer, it is not the legal information source of car running computer to illustrate the trigger signal, driving electricity
The trigger signal that brain does not send control terminal responds, in this way it is ensured that the safety of car running computer.
In practical application, the trigger signal that control terminal can be sent by also having some criminals is distorted,
Illegally to drive car running computer, at this time can also by crypto chip integrate signature verification come judge trigger signal whether be
Complete data-signal and judge whether the data information in control terminal is tampered, and determine whether to touch this again
Signalling is responded, so that car running computer is in a safe condition.
Data are verified and there are many ways to encryption and decryption it should be noted that can reach, it is possible to
A variety of data encryption algorithm are integrated in crypto chip, to improve the application range of crypto chip.Then using these algorithms come
The verification information sent to control terminal is verified.
Obviously, in this embodiment, by integrating associated encryption algorithm on crypto chip, illegal information can be prevented
Source arbitrarily manipulates car running computer, so, the safe to use of car running computer ensure that by such method.It needs to illustrate
, there are many setting methods of default authentication condition.Such as：Default authentication condition can be the pre-set certification item of user
Part or car running computer and control terminal are in advance with the default authentication condition of the corresponding generation of the data protocol appointed, also
The default authentication condition generated is encrypted to a preset data in advance in either user, does not limit specifically herein.
As it can be seen that by adding crypto chip in car running computer in advance, crypto chip can be utilized to receive car running computer
To data information verified, if control terminal send verification information and the default authentication condition phase in crypto chip
Symbol then illustrates that the verification information that control terminal is sent is legal, then could open the operating right of car running computer, pass through this
Method can avoid car running computer from receiving illegal data information, so as to ensure that the safety of car running computer, and then can
Car running computer is preferably protected.
Based on above-described embodiment, the present embodiment has made further instruction and optimization to technical solution.
Specifically, above-mentioned steps S12：Judge whether verification information meets the process of default authentication condition using crypto chip
Later, it further includes：
If it is not, being then not turned on operating right, and send out prompt messages.
It is understood that if crypto chip judges that verification information is unsatisfactory for default authentication condition, row will not be opened
The operating right of vehicle computer, so as to which car running computer be avoided to receive illegal data information.Moreover, if crypto chip judges
After verification information is unsatisfactory for the default authentication condition of car running computer, prompt messages are can be sent out, so that user is to driving
The security performance of computer is protected, further to improve the safety of car running computer.Certainly, in practical operation, row
The method that vehicle computer sends out prompt messages is varied, does not limit specifically herein.
In addition, as a preferred embodiment, as shown in Fig. 2, verification information includes verification password and first key.
Correspondingly, above-mentioned steps S12：Judge whether verification information meets the mistake of default authentication condition using crypto chip
Journey, including step H11 to step H13.
Step H11：Judge to verify whether password is identical with default verification password；
Step H12：If so, decrypting preset data using first key, ciphertext data is obtained；
Wherein, preset data is to advance with the number that the corresponding second key pair primary data of first key is encrypted
According to；
Step H13：Judge whether ciphertext data is consistent with primary data.
In practical application, the verification information that crypto chip can send control terminal is verified, the side of verification
Method can be that the verification information sent to control terminal corrects whether its whether legal or data information is modified, that is,
Judge the integrality of the legitimacy either data information of verification information.In practical application, side that data are verified
There are many methods, can be verification information is decrypted in the method pre-set, can also be side to pre-set
Method is verified and is verified to verification information.In the present embodiment, enumerate what a kind of crypto chip verified verification information
Method.
Specifically, when car running computer receives the trigger signal of control terminal transmission, the verification of trigger signal can be obtained
Information, verification information herein include verification password and first key.When car running computer receives these verification informations, driving
Computer can be verified the legitimacy of control terminal using these verification informations.Car running computer can judge that control terminal is sent out first
Whether the verification password sent is identical with default verification password, if identical, preset data is decrypted using first key,
If the data decrypted are consistent with primary data, it is legal data source, later, control terminal to illustrate the control terminal
Normal data interaction is can be carried out with car running computer.
It should be noted that preset data is added to advance with the corresponding second key pair primary data of first key
Close data are only enumerated the specific setting method of a preset data, in practical application, can also be had other pre- herein
If the setting method of data, does not limit specifically herein.Moreover, in the process, if the data that crypto chip decrypts
Inconsistent with primary data, then it is not the legal information source of car running computer to illustrate control terminal, and car running computer will not be to control
Terminal is responded, and then ensure that the safety of car running computer.
In addition, as a preferred embodiment, above-mentioned steps S13：If so, the process of opening operation permission it
Afterwards, it further includes：
The fuel consumption data and/or run-length data and/or position data of record vehicle, and stored.
It is understood that when control terminal can operate car running computer, then in car running computer in vehicle
In driving process, the fuel consumption data of car running computer and/or run-length data and/or position data can be recorded and be stored,
So that user can analyze the service condition of car running computer, with the trip for facilitating user later.
Correspondingly, the invention also discloses a kind of safety device of car running computer, as shown in figure 3, the device includes：
Data acquisition module 31, for when receiving the trigger signal that control terminal is sent, then obtaining trigger signal
Verification information；
Data judgment module 32, for judging whether verification information meets default authentication condition using crypto chip；Wherein,
Crypto chip is the chip being added in advance in car running computer；
Permission opening module 33, for if so, opening operation permission.
Preferably, which further includes：
Information alert module, for if it is not, being then not turned on operating right, and send out prompt messages.
Preferably, data judgment module 32 includes：
Password comparing unit, for judging to verify whether password is identical with default verification password；
Data decryption unit, for if so, decrypting preset data using first key；Preset data is advances with the
The data that the corresponding second key pair primary data of one key is encrypted；
Data comparing unit, for judging whether the data decrypted are consistent with primary data；
First data determining unit, for if so, meeting default authentication condition.
Preferably, which further includes：
Second data determining unit, if it is not, being then unsatisfactory for default authentication condition.
Preferably, which further includes：
Data memory module for the fuel consumption data and/or run-length data and/or position data of vehicle, and is stored.
Correspondingly, the invention also discloses a kind of security protection system of car running computer, as shown in figure 4, the security protection
System includes car running computer 41, crypto chip 42, control terminal 43 and processor 44；Wherein, crypto chip 42 is addition in advance
To the chip in car running computer 41；Processor 44 is used to perform following steps：
When car running computer 41 receives the trigger signal of the transmission of control terminal 43, then the verification letter of trigger signal is obtained
Breath；
Judge whether verification information meets default authentication condition using crypto chip 42；
If so, open the operating right of car running computer 41.
Specifically, list a kind of security protection system of car running computer in the present embodiment, including car running computer 41, close
Code chip 42, control terminal 43 and processor 44, when car running computer 41 receives the trigger signal of the transmission of control terminal 43, just
Can obtain the verification information of trigger signal, and using the crypto chip 42 being arranged in car running computer 41 come to verification information into
Row verification, to judge whether verification information is consistent with the default authentication condition in car running computer, if verification result is consistent, says
The information source of bright control terminal is legal, then car running computer 41 will be to 43 opening operation permission of control terminal；If it tests
It is inconsistent to demonstrate,prove result, then illustrates that the information source of control terminal 43 is illegal, car running computer 41 will not open control terminal 43
Operating right, the method for calibration of data can refer to previous embodiment disclosure between car running computer 41 and control terminal 43,
Details are not described herein again.
Based on above-described embodiment, the present embodiment has made further instruction and optimization to a upper embodiment, as shown in figure 5,
The security protection system further includes：
It is arranged on car running computer 41, for prompting the alarm 51 of vehicle fault message when driving.
It is arranged on car running computer 41, for showing the display 52 of vehicle each item data when driving.
It is arranged on car running computer 41, for storing the memory 53 of vehicle data information when driving.
It is understood that car running computer 41 is usually to be used for reading vehicle data, the fortune of vehicle can be monitored in real time
Market condition when vehicle breaks down when driving, can send out report by the alarm 51 being arranged on car running computer 41
Alert prompting, user's vehicle either vehicle that breaks down to be reminded to be in abnormality, so as to avoid the hair of some traffic accidents
It is raw.Certainly, alarm 51 can be buzzer, alarm lamp either voice reminder, not limit specifically herein.
It is also contemplated that when vehicle breaks down, can be incited somebody to action by the display 52 being arranged on car running computer 41
The fault message of vehicle is shown in real time, facilitates user that can accurately position vapour by the prompt message on display 52
The concrete position of vehicle failure eliminates the time that user searches vehicle failure, improves user experience.
Moreover, car running computer 41 can monitor the various data of vehicle when driving in real time, such as：The oil consumption of vehicle
Data, emission data, engine various data targets, at this time can be by the memory 52 that is arranged on car running computer 41
These data are stored, user to be facilitated to retrieve the travelling data of vehicle in real time, are enabled a user to
The running data information of vehicle is grasped in real time.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, term " comprising ", "comprising" or its any other variant meaning
Covering non-exclusive inclusion, so that process, method, article or equipment including a series of elements not only include that
A little elements, but also including other elements that are not explicitly listed or further include for this process, method, article or
The intrinsic element of equipment.In the absence of more restrictions, the element limited by sentence "including a ...", is not arranged
Except also there are other identical elements in the process, method, article or apparatus that includes the element.
Detailed Jie has been carried out to a kind of safety protecting method of car running computer provided by the present invention, apparatus and system above
It continues, specific case used herein is expounded the principle of the present invention and embodiment, and the explanation of above example is only
It is the method and its core concept for being used to help understand the present invention；Meanwhile for those of ordinary skill in the art, according to this hair
Bright thought, there will be changes in specific embodiments and applications, in conclusion the content of the present specification should not manage
It solves as limitation of the present invention.
Claims (10)
1. a kind of safety protecting method of car running computer, which is characterized in that including：
When the trigger signal for receiving control terminal transmission, then the verification information of the trigger signal is obtained；
Judge whether the verification information meets default authentication condition using crypto chip；Wherein, the crypto chip is advance
The chip being added in car running computer；
If so, opening operation permission.
2. it according to the method described in claim 1, it is characterized in that, further includes：
If it is not, being then not turned on operating right, and send out prompt messages.
3. according to the method described in claim 1, it is characterized in that, the verification information includes verification password and first key.
4. according to the method described in claim 3, it is characterized in that, whether described judge the verification information using crypto chip
Meet the process of default authentication condition, including：
Judge whether the verification password is identical with default verification password；
If so, decrypting preset data using the first key, ciphertext data is obtained；Wherein, the preset data is advance
The data being encrypted using the corresponding second key pair primary data of the first key；
Judge whether the ciphertext data is consistent with the primary data.
5. method according to any one of claims 1 to 4, which is characterized in that described if so, the mistake of opening operation permission
After journey, further include：
The fuel consumption data and/or run-length data and/or position data of record vehicle, and stored.
6. a kind of safety device of car running computer, which is characterized in that including：
Data acquisition module, for when receiving the trigger signal that control terminal is sent, then obtaining testing for the trigger signal
Demonstrate,prove information；
Data judgment module, for judging whether the verification information meets default authentication condition using crypto chip；Wherein, institute
It is the chip being added in advance in car running computer to state crypto chip；
Permission opening module, for if so, opening operation permission.
7. a kind of security protection system of car running computer, which is characterized in that including car running computer, crypto chip, control terminal and
Processor；Wherein, the crypto chip is the chip being added in advance in the car running computer；The processor for perform with
Lower step：
When the car running computer receives the trigger signal that the control terminal is sent, then the verification of the trigger signal is obtained
Information；
Judge whether the verification information meets default authentication condition using the crypto chip；
If so, open the operating right of the car running computer.
8. the security protection system of car running computer according to claim 7, which is characterized in that further include：
It is arranged on car running computer, for prompting the alarm of vehicle fault message when driving.
9. the security protection system of car running computer according to claim 7, which is characterized in that further include：
It is arranged on car running computer, for showing the display of vehicle each item data when driving.
10. the security protection system of car running computer according to any one of claims 7 to 9, which is characterized in that further include：
It is arranged on car running computer, for storing the memory of vehicle data information when driving.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711483106.1A CN108199848A (en) | 2017-12-29 | 2017-12-29 | A kind of safety protecting method of car running computer, apparatus and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711483106.1A CN108199848A (en) | 2017-12-29 | 2017-12-29 | A kind of safety protecting method of car running computer, apparatus and system |
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| Publication Number | Publication Date |
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| CN108199848A true CN108199848A (en) | 2018-06-22 |
Family
ID=62587012
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711483106.1A Pending CN108199848A (en) | 2017-12-29 | 2017-12-29 | A kind of safety protecting method of car running computer, apparatus and system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113518055A (en) * | 2020-04-09 | 2021-10-19 | 奇安信安全技术(珠海)有限公司 | Data security protection processing method and device, storage medium and terminal |
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| CN103954008A (en) * | 2014-04-29 | 2014-07-30 | 张伟 | Automotive air conditioning remote control method |
| CN107294912A (en) * | 2016-03-31 | 2017-10-24 | 比亚迪股份有限公司 | Vehicle safety communications method, device, vehicle multimedia system and vehicle |
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| CN103309315A (en) * | 2013-05-24 | 2013-09-18 | 成都秦川科技发展有限公司 | Internet of things automotive intelligent control instrument and internet of things automotive intelligent management system |
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