CN105471583B - The digital certificate method and electronic identification system of vehicle mounted electrical apparatus - Google Patents
The digital certificate method and electronic identification system of vehicle mounted electrical apparatus Download PDFInfo
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- CN105471583B CN105471583B CN201410462722.9A CN201410462722A CN105471583B CN 105471583 B CN105471583 B CN 105471583B CN 201410462722 A CN201410462722 A CN 201410462722A CN 105471583 B CN105471583 B CN 105471583B
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- mounted electrical
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Abstract
The invention discloses the digital certificate methods and electronic identification system of a kind of vehicle mounted electrical apparatus, wherein the digital certificate method of vehicle mounted electrical apparatus is the following steps are included: the first vehicle mounted electrical apparatus receives the digital certificate solicited message that the second vehicle mounted electrical apparatus is sent；First vehicle mounted electrical apparatus generates digital certificate return information according to digital certificate solicited message, and digital certificate return information is sent to the second vehicle mounted electrical apparatus；Second vehicle mounted electrical apparatus receives digital certificate return information, and the authentication state of the first vehicle mounted electrical apparatus is obtained according to digital certificate solicited message and digital certificate return information；When the authentication state of the first vehicle mounted electrical apparatus is authentification failure, forbid vehicle launch after the first preset time.The digital certificate method and electronic identification system of vehicle mounted electrical apparatus of the invention only allow through the genuine vehicle mounted electrical apparatus of certification onboard normal use; and non-original factory vehicle mounted electrical apparatus then cannot be used onboard; the performance of vehicle is not only protected, also provides strong guarantee for the personal safety as well as the property safety of user.
Description
Technical field
The present invention relates to automotive electronics authentication techniques field, in particular to the digital certificate method and one of a kind of vehicle mounted electrical apparatus
The electronic identification system of kind vehicle mounted electrical apparatus.
Background technique
Automotive circuit diagram is considered as the revolution in automotive technology development process.The degree of automotive circuit diagram is counted as
It is the important symbol for measuring Hyundai Motor, is to improve the most important technical measures of automotive performance for developing new model.
But due to the vehicle electronic device and bus protocol standard of each producer and enterprise and disunity, when user exists
When arbitrarily replacing vehicle mounted electrical apparatus product without the agreement of producer and enterprise after purchase vehicle, it will lead to the change of overall wire sheaves,
It not only will increase vehicle power consumption in this way, influence vehicle performance, while can also cause spontaneous combustion, in some instances it may even be possible to the person and wealth of user
Production brings harm.
Summary of the invention
The purpose of the present invention is intended at least solve above-mentioned one of technical problem to a certain extent.
For this purpose, an object of the present invention is to provide a kind of digital certificate method of vehicle mounted electrical apparatus, the vehicle mounted electrical apparatus
Digital certificate method only allows through the genuine vehicle mounted electrical apparatus of certification onboard normal use, and non-original factory vehicle mounted electrical apparatus then cannot
It onboard uses, not only protects the performance of vehicle, while also providing strong guarantee for the personal safety as well as the property safety of user.
It is another object of the present invention to the electronic identification systems for proposing a kind of vehicle mounted electrical apparatus.
In order to achieve the above objectives, one aspect of the present invention embodiment proposes a kind of digital certificate method of vehicle mounted electrical apparatus, should
The digital certificate method of vehicle mounted electrical apparatus is the following steps are included: the first vehicle mounted electrical apparatus receives the digital certificate that the second vehicle mounted electrical apparatus is sent
Solicited message；First vehicle mounted electrical apparatus generates digital certificate return information according to the digital certificate solicited message, and by institute
It states digital certificate return information and is sent to second vehicle mounted electrical apparatus；Second vehicle mounted electrical apparatus receives the digital certificate and replys
Information, and recognizing for first vehicle mounted electrical apparatus is obtained according to the digital certificate solicited message and the digital certificate return information
Card state；And when the authentication state of first vehicle mounted electrical apparatus is authentification failure, forbid vehicle after the first preset time
Starting.
The digital certificate method for the vehicle mounted electrical apparatus that the embodiment of the present invention proposes receives the second vehicle mounted electric in the first vehicle mounted electrical apparatus
After the digital certificate solicited message that device is sent, the first vehicle mounted electrical apparatus generates digital certificate according to digital certificate solicited message and replys letter
Breath, and digital certificate return information is sent to the second vehicle mounted electrical apparatus, so that the second vehicle mounted electrical apparatus, which receives digital certificate, replys letter
Breath, and according to the authentication state of digital certificate solicited message and digital certificate return information the first vehicle mounted electrical apparatus of acquisition, finally exist
When the authentication state of first vehicle mounted electrical apparatus is authentification failure, forbid vehicle launch after the first preset time.The vehicle mounted electrical apparatus
Digital certificate method only allow through the genuine vehicle mounted electrical apparatus of certification onboard normal use, and non-original factory vehicle mounted electrical apparatus is then not
It can onboard use, not only protect the performance of vehicle, while also provide strong guarantor for the personal safety as well as the property safety of user
Card.
In order to achieve the above objectives, another aspect of the present invention embodiment also proposed a kind of digital certificate system of vehicle mounted electrical apparatus
System, the electronic identification system of the vehicle mounted electrical apparatus include the first vehicle mounted electrical apparatus, the second vehicle mounted electrical apparatus and controller, wherein described the
One vehicle mounted electrical apparatus for receiving digital certificate solicited message, and generates digital certificate according to the digital certificate solicited message and returns
Complex information, and send the digital certificate return information；Second vehicle mounted electrical apparatus, for generating the digital certificate request
Information, and recognizing for first vehicle mounted electrical apparatus is obtained according to the digital certificate solicited message and the digital certificate return information
Card state；And the controller, it is default first when for the authentication state in first vehicle mounted electrical apparatus being authentification failure
Forbid vehicle launch after time.
The electronic identification system for the vehicle mounted electrical apparatus that the embodiment of the present invention proposes is received electronics and is recognized by the first vehicle mounted electrical apparatus
Solicited message is demonstrate,proved, and digital certificate return information is generated according to digital certificate solicited message, and send digital certificate and reply letter
Breath, and digital certificate solicited message is generated by the second vehicle mounted electrical apparatus, and return according to digital certificate solicited message and digital certificate
Complex information obtains the authentication state of the first vehicle mounted electrical apparatus, so that controller is authentification failure in the authentication state of the first vehicle mounted electrical apparatus
When, forbid vehicle launch after the first preset time.The electronic identification system of the vehicle mounted electrical apparatus only allows the original by certification
Factory's vehicle mounted electrical apparatus onboard normal use, and non-original factory vehicle mounted electrical apparatus then cannot be used onboard, not only protect the property of vehicle
Can, while also strong guarantee is provided for the personal safety as well as the property safety of user.
The additional aspect of the present invention and advantage will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect and advantage of the invention will become from the following description of the accompanying drawings of embodiments
Obviously and it is readily appreciated that, in which:
Fig. 1 is the flow chart according to the digital certificate method of the vehicle mounted electrical apparatus of the embodiment of the present invention；
Fig. 2 is more according to the combination instrument acquisition of the digital certificate method of the vehicle mounted electrical apparatus of a specific embodiment of the invention
The flow chart of the authentication state that goes offline of media system；
Fig. 3 is more according to the combination instrument acquisition of the digital certificate method of the vehicle mounted electrical apparatus of a specific embodiment of the invention
The flow chart of the accidental enciphering number authentication state of media system；
Fig. 4 is according to the multimedia system of the digital certificate method of the vehicle mounted electrical apparatus of a specific embodiment of the invention to group
Close the flow chart that instrument sends verification response；
Fig. 5 is more according to the combination instrument acquisition of the digital certificate method of the vehicle mounted electrical apparatus of a specific embodiment of the invention
Flow chart after the authentication state of media system；
Fig. 6 is the block diagram according to the electronic identification system of the vehicle mounted electrical apparatus of the embodiment of the present invention；And
Fig. 7 is the block diagram according to the electronic identification system of the vehicle mounted electrical apparatus of one embodiment of the invention.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and for explaining only the invention, and is not construed as limiting the claims.
Following disclosure provides many different embodiments or example is used to realize different structure of the invention.For letter
Change disclosure of the invention, hereinafter the component of specific examples and setting are described.Certainly, they are merely examples, and
It is not intended to limit the present invention.In addition, the present invention can in different examples repeat reference numerals and/or letter.It is this heavy
It is for purposes of simplicity and clarity, itself not indicate the relationship between discussed various embodiments and/or setting again.This
Outside, the present invention provides various specific techniques and material example, but those of ordinary skill in the art may be aware that
The applicable property of other techniques and/or the use of other materials.In addition, fisrt feature described below second feature it
The structure of "upper" may include the embodiment that the first and second features are formed as directly contacting, and also may include other feature shape
At the embodiment between the first and second features, such first and second feature may not be direct contact.
In the description of the present invention, it should be noted that unless otherwise specified and limited, term " installation ", " connected ",
" connection " shall be understood in a broad sense, for example, it may be mechanical connection or electrical connection, the connection being also possible to inside two elements can
, can also indirectly connected through an intermediary, for the ordinary skill in the art to be to be connected directly, it can basis
Concrete condition understands the concrete meaning of above-mentioned term.
The digital certificate method of the vehicle mounted electrical apparatus proposed according to embodiments of the present invention and vehicle-mounted described with reference to the accompanying drawings
The electronic identification system of electric appliance.
As shown in Figure 1, the digital certificate method of the vehicle mounted electrical apparatus of the embodiment of the present invention the following steps are included:
S1, the first vehicle mounted electrical apparatus receive the digital certificate solicited message that the second vehicle mounted electrical apparatus is sent.
In one embodiment of the invention, the first vehicle mounted electrical apparatus can be multimedia system, and the second vehicle mounted electrical apparatus can be with
For combination instrument.
S2, the first vehicle mounted electrical apparatus generate digital certificate return information according to digital certificate solicited message, and by digital certificate
Return information is sent to the second vehicle mounted electrical apparatus.
Specifically, in one embodiment of the invention, such as digital certificate of the information of variant rate is requested in vehicle
Information, authentication state of digital certificate return information and the first vehicle mounted electrical apparatus etc. can pass through CAN (Controller Area
Network, controller LAN) bus is transmitted, and can be forwarded by gateway, to realize each vehicle mounted electric in vehicle
Normal communication between device.
Further, in one embodiment of the invention, digital certificate solicited message may include first going offline detection
Certification request information, or may include second going offline and detecting certification request information and accidental enciphering number certification request information, electricity
It may include first going offline detection certification return information that authentication subprocess return information is corresponding, or may include second going offline detection
It authenticates return information and accidental enciphering number authenticates return information.Further, in one embodiment of the invention, accidental enciphering
Number certification request information may include encrypted random number or encrypted random number sequence, wherein the first vehicle mounted electrical apparatus can be according to pre-
If the encrypted random number or encrypted random number sequence in key pair accidental enciphering number certification request information are decrypted, and according to solution
Encrypted random number or encrypted random number sequence after close generate accidental enciphering number and authenticate return information.
S3, the second vehicle mounted electrical apparatus receive digital certificate return information, and according to digital certificate solicited message and digital certificate
Return information obtains the authentication state of the first vehicle mounted electrical apparatus.
Further, in one embodiment of the invention, the second vehicle mounted electrical apparatus can go offline according to first and detect certification
Solicited message and the first detection certification return information that goes offline obtain the authentication state that goes offline of the first vehicle mounted electrical apparatus, and can basis
Second goes offline detect certification request information, accidental enciphering number certification request information, second go offline detection certification return information and with
Machine encrypts the accidental enciphering number authentication state that number certification return information obtains the first vehicle mounted electrical apparatus.
Further, in one embodiment of the invention, when the second vehicle mounted electrical apparatus the second preset time such as 60s it
Do not receive afterwards first go offline detection certification return information, then judge the first vehicle mounted electrical apparatus goes offline authentication state for certification mistake
It loses, and goes offline detection certification return information and in third when the second vehicle mounted electrical apparatus receives second within the second preset time
Accidental enciphering number certification return information is not received after preset time such as 500ms, or when the second vehicle mounted electrical apparatus receives
Accidental enciphering number certification return information it is incorrect when, then judge the accidental enciphering number authentication state of the first vehicle mounted electrical apparatus be authenticate
Failure.
Wherein, in one embodiment of the invention, when accidental enciphering number certification return information in decrypt after encryption with
It is for example not identical or mismatch etc. that encrypted random number in machine number and accidental enciphering number certification request information does not meet preset rules,
And encrypted random number sequence and accidental enciphering number certification request information after being decrypted in accidental enciphering number certification return information
In encrypted random number sequence do not meet preset rules it is for example not identical or mismatch etc. whens, the second vehicle mounted electrical apparatus is thought to receive
Accidental enciphering number certification return information it is incorrect.
It should be noted that illustrating the first vehicle occur when the authentication state that goes offline of the first vehicle mounted electrical apparatus is authentification failure
Carry electric appliance be removed or the first vehicle mounted electrical apparatus and the second vehicle mounted electrical apparatus between communicate situations such as abnormal.When the first vehicle mounted electrical apparatus
When accidental enciphering number authentication state is authentification failure, illustrate that the first vehicle mounted electrical apparatus is non-original-pack or genuine vehicle mounted electrical apparatus.
S4 forbids vehicle to open when the authentication state of the first vehicle mounted electrical apparatus is authentification failure after the first preset time
It is dynamic.
In step s 4, after forbidding vehicle launch, user the first vehicle mounted electrical apparatus of authentification failure need to be gained it is original-pack or
The vehicle mounted electrical apparatus of genuine, and after authenticating successfully, it can normal use vehicle.Specifically, in one embodiment of the invention, when
Second vehicle mounted electrical apparatus does not receive first after the second preset time and goes offline detection certification return information, then the second vehicle mounted electrical apparatus
Judge the authentication state that goes offline of the first vehicle mounted electrical apparatus for authentification failure, and then the second vehicle mounted electrical apparatus after the first preset time still
Do not receive first go offline detection certification return information, then can by control engine to forbid vehicle launch.
In addition, in one embodiment of the invention, when the second vehicle mounted electrical apparatus receives within the second preset time
Two go offline detection certification return information and does not receive accidental enciphering number certification return information after third preset time, then and the
Two vehicle mounted electrical apparatus judge the accidental enciphering number authentication state of the first vehicle mounted electrical apparatus for authentification failure, and then the second vehicle mounted electrical apparatus is
Accidental enciphering number certification return information is not received after one preset time yet, then it can be by control engine to forbid vehicle
Starting.
In addition, in one embodiment of the invention, when the accidental enciphering number certification that the second vehicle mounted electrical apparatus receives is replied
When information is incorrect, then the second vehicle mounted electrical apparatus judge the accidental enciphering number authentication state of the first vehicle mounted electrical apparatus for authentification failure, into
And the second vehicle mounted electrical apparatus then may be used when not receiving correct accidental enciphering number certification return information after the first preset time yet
By controlling engine to forbid vehicle launch.
Further, in one embodiment of the invention, when the second vehicle mounted electrical apparatus receives within the second preset time
It goes offline to second and detects certification return information and do not receive accidental enciphering number certification return information after third preset time
Or received within third preset time accidental enciphering number certification return information it is incorrect when, the second vehicle mounted electrical apparatus is sent out again
Power transmission authentication subprocess solicited message, and do not receive the certification of accidental enciphering number after the 4th preset time such as 500ms and reply letter
When breath or the incorrect accidental enciphering number received within the 4th preset time certification return information, then the second vehicle mounted electrical apparatus is sentenced
The accidental enciphering number authentication state of disconnected first vehicle mounted electrical apparatus is authentification failure, so the second vehicle mounted electrical apparatus the first preset time it
It, then can be by control engine to forbid vehicle to open when not receiving correct accidental enciphering number certification return information yet afterwards
It is dynamic.
In conclusion only when the first vehicle mounted electrical apparatus the authentication state that goes offline be authenticate successfully and the first vehicle mounted electrical apparatus with
Machine encryption number authentication state is when authenticating successfully, and the second vehicle mounted electrical apparatus judges the authentication state of the first vehicle mounted electrical apparatus just as certification
Success, i.e. the second vehicle mounted electrical apparatus judge that the first vehicle mounted electrical apparatus for original-pack or genuine vehicle mounted electrical apparatus, allows for user's normal use
Vehicle.
Further, in one embodiment of the invention, the digital certificate method of vehicle mounted electrical apparatus is further comprising the steps of:
S5 generates authentification failure flag information when the authentication state of the first vehicle mounted electrical apparatus is authentification failure.
Further, in one embodiment of the invention, the second vehicle mounted electrical apparatus is carried out according to authentification failure flag information
Warning note.Specifically, in one embodiment of the invention, the second vehicle mounted electrical apparatus can show prompt messages or sending
Voice prompting etc., such as " genuine vehicle mounted electrical apparatus please don't be reequiped ", " genuine vehicle mounted electrical apparatus please don't be removed ", to remind user to reinstall original
Dress or genuine vehicle mounted electrical apparatus, prevent influence non-original-pack or that genuine vehicle mounted electrical apparatus is to vehicle performance.
Further, in one particular embodiment of the present invention, as shown in Fig. 2, the first vehicle mounted electrical apparatus is multimedia system
System, the second vehicle mounted electrical apparatus are combination instrument, and the authentication state that goes offline that combination instrument obtains multimedia system may include following step
It is rapid:
S21 judges whether automobile is the first time upper ON grades of electricity in upper normal electricity.
If it is, enter step S22, if it is not, then enter step S25, wherein ON grades be vehicle ignition switch ON
Shelves.
S22, combination instrument judge whether to detect the multimedia message that multimedia system is sent within 60s.
If it is, S23 is entered step, if it is not, then entering step S24.
S23, combination instrument judgement verify successfully.
After combination instrument judgement verifies successfully in step S23, S25 is entered step.
S24, combination instrument judgement verification failure.
In step s 24 after combination instrument judgement verification failure, S25 is entered step.
S25 terminates.
Further, in one particular embodiment of the present invention, as shown in figure 3, the first vehicle mounted electrical apparatus is multimedia system
System, the second vehicle mounted electrical apparatus are combination instrument, and the accidental enciphering number authentication state that combination instrument obtains multimedia system may include
Following steps:
S31 judges whether to detect READY signal when power supply gear is ON grades.
If it is, S32 is entered step, if it is not, then entering step S36.
S32, timing 3 seconds 10 minutes.
S33, judges whether timing terminates.
If it is not, then S34 is entered step, if it is, entering step S311.
S34 judges whether that continuous 2s can't detect READY signal.
If it is not, then return step S33, if it is, entering step S35.
S35, timing are reset.
After timing clearing, S31 is entered step.
S36 judges whether revolving speed is greater than or equal to 1000 revs/min when power supply gear is ON grades.
If it is, S37 is entered step, if it is not, then entering step S322.
S37, timing 3 seconds 10 minutes.
S38, judges whether timing terminates.
If it is not, then S39 is entered step, if it is, entering step S311.
S39 judges whether that continuous 2s detects that revolving speed is less than or equal to 300 revs/min.
If it is not, then return step S38, if it is, entering step S310.
S310, timing are reset.
After timing clearing, S31 is entered step.
S311, judges whether automobile speed is greater than or equal to 20km/h.
If it is not, then S312 is entered step, if it is, entering step S313.
S312 moves back ON grades of electricity.
After moving back ON grades of electricity, S310 is entered step.
S313, combination instrument send the first frame check and request to multimedia system.
S314, combination instrument judge whether to receive verification response within 500ms.
If it is, S315 is entered step, if it is not, then entering step S317.
S315, combination instrument judge whether verification response is correct.
If it is, S316 is entered step, if it is not, then entering step S317.
S316, combination instrument judgement verify successfully.
S322 is entered step after combination instrument judgement verifies successfully.
S317, combination instrument send the second frame check and request to multimedia system.
S318, combination instrument judge whether to receive verification response within 500ms.
If it is, S319 is entered step, if it is not, then entering step S321.
S319, combination instrument judge whether verification response is correct.
If it is, S320 is entered step, if it is not, then entering step S321.
S320, combination instrument judgement verify successfully.
After combination instrument judgement verifies successfully in step s 320, S322 is entered step.
S321, combination instrument judgement verification failure.
In step S321 after combination instrument judgement verification failure, S322 is entered step.
S322 terminates.
Further, in one particular embodiment of the present invention, as shown in figure 4, the first vehicle mounted electrical apparatus is multimedia system
System, the second vehicle mounted electrical apparatus are combination instrument, and multimedia system sends verification response to combination instrument and may comprise steps of:
S41, when power supply gear is ON grades, timing 9 minutes.
S42, judges whether timing terminates.
If it is not, then S43 is entered step, if it is, entering step S44.
S43 judges whether to move back ON grades of electricity.
If it is not, then return step S42, if it is, return step S41.
S44, multimedia system judge whether to receive the verification request of combination instrument.
If it is not, then return step S44, if it is, entering step S45.
S45, multimedia system judge whether to have sent two frame check responses.
If it is not, then S46 is entered step, if it is, entering step S47.
S46, multimedia system send verification response.
After multimedia system sends verification response, S44 is entered step.
S47 terminates.
Further, in one particular embodiment of the present invention, as shown in figure 5, the first vehicle mounted electrical apparatus is multimedia system
System, the second vehicle mounted electrical apparatus are combination instrument, and after combination instrument obtains the authentication state of multimedia system, the electronics of vehicle mounted electrical apparatus is recognized
Card method can with the following steps are included:
S51 judges whether just when combination instrument judges verification failure in timing.
If it is not, then S52 is entered step, if it is, entering step S53.
S52, the first preset time of timing.
Enter step S54.
S53 continues timing.
Enter step S54.
S54, judges whether timing terminates.
If it is not, then S55 is entered step, if it is, entering step S57.
S55, combination instrument judge whether to verify successfully.
If it is not, then return step S54, if it is, entering step S56.
S56, combination instrument send " verifying successfully " to BCM (Body Control Module, car body control module), BCM
Allow user's normal use automobile.
S57, combination instrument send " verification failure " to BCM, the starting of BCM auto Not Permitted.
S58, when combination instrument judgement verifies successfully, combination instrument, which sends " verifying successfully ", allows user to BCM, BCM
Normal use automobile.
The digital certificate method for the vehicle mounted electrical apparatus that the embodiment of the present invention proposes receives the second vehicle mounted electric in the first vehicle mounted electrical apparatus
After the digital certificate solicited message that device is sent, the first vehicle mounted electrical apparatus generates digital certificate according to digital certificate solicited message and replys letter
Breath, and digital certificate return information is sent to the second vehicle mounted electrical apparatus, so that the second vehicle mounted electrical apparatus, which receives digital certificate, replys letter
Breath, and according to the authentication state of digital certificate solicited message and digital certificate return information the first vehicle mounted electrical apparatus of acquisition, finally exist
When the authentication state of first vehicle mounted electrical apparatus is authentification failure, forbid vehicle launch after the first preset time.The vehicle mounted electrical apparatus
Digital certificate method only allow through the original-pack or genuine vehicle mounted electrical apparatus of certification onboard normal use, rather than original-pack or genuine
Vehicle mounted electrical apparatus then cannot be used onboard, not only protect the performance of vehicle, while also be provided for the personal safety as well as the property safety of user
Strong guarantee.
Another aspect of the present invention embodiment also proposed a kind of electronic identification system of vehicle mounted electrical apparatus, as shown in fig. 6, the vehicle
The electronic identification system for carrying electric appliance includes: the first vehicle mounted electrical apparatus 10, the second vehicle mounted electrical apparatus 20 and controller 30.Wherein, the first vehicle
It carries electric appliance 10 and generates digital certificate return information for receiving digital certificate solicited message, and according to digital certificate solicited message,
And send digital certificate return information.Second vehicle mounted electrical apparatus 20 is recognized for generating digital certificate solicited message according to electronics
It demonstrate,proves solicited message and digital certificate return information obtains the authentication state of the first vehicle mounted electrical apparatus 10.Controller 30 is used in the first vehicle
When the authentication state for carrying electric appliance 10 is authentification failure, forbid vehicle launch after the first preset time.
Further, in one embodiment of the invention, digital certificate solicited message may include first going offline detection
Certification request information, or may include second going offline and detecting certification request information and accidental enciphering number certification request information, electricity
It may include first going offline detection certification return information that authentication subprocess return information is corresponding, or may include second going offline detection
It authenticates return information and accidental enciphering number authenticates return information.Further, in one embodiment of the invention, accidental enciphering
Number certification request information may include encrypted random number or encrypted random number sequence, wherein the first vehicle mounted electrical apparatus 10 can basis
Preset-key in accidental enciphering number certification request information encrypted random number or encrypted random number sequence be decrypted, and according to
Encrypted random number or encrypted random number sequence after decryption generate accidental enciphering number and authenticate return information.
Further, in one embodiment of the invention, the second vehicle mounted electrical apparatus 20 may include: the authentication sub module that goes offline
21 and accidental enciphering number authentication sub module 22.Wherein, the authentication sub module that goes offline 21 detects certification request for going offline according to first
Information and first go offline detection certification return information obtain the first vehicle mounted electrical apparatus 10 the authentication state that goes offline.The certification of accidental enciphering number
Submodule 22 detects certification request information, accidental enciphering number certification request information, second goes offline detection for going offline according to second
It authenticates return information and accidental enciphering number certification return information obtains the accidental enciphering number authentication state of the first vehicle mounted electrical apparatus 10.
Further, in one embodiment of the invention, when the second vehicle mounted electrical apparatus 20 is in the second preset time such as 60s
It does not receive first later to go offline detection certification return information, then the authentication sub module that goes offline 21 judges falling for the first vehicle mounted electrical apparatus 10
Line authentication state is authentification failure.Further, in another embodiment of the present invention, when the second vehicle mounted electrical apparatus 20 is second
The second detection certification that goes offline is received within preset time return information and not receive after third preset time such as 500ms
Return information is authenticated to accidental enciphering number, or when the accidental enciphering number that the second vehicle mounted electrical apparatus 20 receives authenticates return information not
When correct, then accidental enciphering number authentication sub module 22 judges that the accidental enciphering number authentication state of the first vehicle mounted electrical apparatus 10 is lost for certification
It loses.
Wherein, in one embodiment of the invention, when accidental enciphering number certification return information in decrypt after encryption with
It is for example not identical or mismatch etc. that encrypted random number in machine number and accidental enciphering number certification request information does not meet preset rules,
And encrypted random number sequence and accidental enciphering number certification request information after being decrypted in accidental enciphering number certification return information
In encrypted random number sequence do not meet preset rules it is for example not identical or mismatch etc. whens, the second vehicle mounted electrical apparatus 20 is thought to receive
The accidental enciphering number certification return information arrived is incorrect.
It should be noted that illustrating appearance first when the authentication state that goes offline of the first vehicle mounted electrical apparatus 10 is authentification failure
Vehicle mounted electrical apparatus 10 be removed or the first vehicle mounted electrical apparatus 10 and the second vehicle mounted electrical apparatus 20 between communicate situations such as abnormal.When the first vehicle
When the accidental enciphering number authentication state for carrying electric appliance 10 is authentification failure, illustrate that the first vehicle mounted electrical apparatus 10 is that non-original-pack or genuine is vehicle-mounted
First vehicle mounted electrical apparatus 10 of authentification failure need to be gained original-pack or genuine vehicle mounted electrical apparatus by electric appliance, user, and after authenticating successfully, side
It can normal use vehicle.
Specifically, in one embodiment of the invention, it is not connect after the second vehicle mounted electrical apparatus 20 is in the second preset time
Receive first go offline detection certification return information, then the second vehicle mounted electrical apparatus 20 judges the authentication state that goes offline of the first vehicle mounted electrical apparatus 10
For authentification failure, and then the second vehicle mounted electrical apparatus 20 does not receive the first detection certification that goes offline yet after the first preset time and replys
Information, then controller 30 can be by control engine to forbid vehicle launch.
In addition, in one embodiment of the invention, when the second vehicle mounted electrical apparatus 20 receives within the second preset time
Second, which goes offline, detects certification return information and does not receive accidental enciphering number certification return information after third preset time, then
Second vehicle mounted electrical apparatus 20 judge the accidental enciphering number authentication state of the first vehicle mounted electrical apparatus 10 for authentification failure, and then the second vehicle mounted electric
Device 20 does not receive accidental enciphering number certification return information yet after the first preset time, then controller 30 can pass through control
Engine is to forbid vehicle launch.
In addition, in one embodiment of the invention, when the accidental enciphering number that the second vehicle mounted electrical apparatus 20 receives authenticates back
When complex information is incorrect, then the second vehicle mounted electrical apparatus 20 judges that the accidental enciphering number authentication state of the first vehicle mounted electrical apparatus 10 is lost for certification
It loses, and then the second vehicle mounted electrical apparatus 20 does not receive correct accidental enciphering number certification return information yet after the first preset time
When, then controller 30 can be by control engine to forbid vehicle launch.
Further, in one embodiment of the invention, inscribed in the second preset time when the second vehicle mounted electrical apparatus 20
It receives second and goes offline to detect certification return information and do not receive the certification of accidental enciphering number after third preset time and reply and believe
When breath or the incorrect accidental enciphering number received within third preset time certification return information, the second vehicle mounted electrical apparatus 20 is again
Secondary transmission digital certificate solicited message, and do not receive accidental enciphering number after the 4th preset time such as 500ms and authenticate back
When complex information or the incorrect accidental enciphering number received within the 4th preset time certification return information, then the second vehicle mounted electric
Device 20 judges the accidental enciphering number authentication state of the first vehicle mounted electrical apparatus 10 for authentification failure, and then the second vehicle mounted electrical apparatus 20 is first
When not receiving correct accidental enciphering number certification return information after preset time yet, then controller 30 can be sent out by control
Motivation is to forbid vehicle launch.
In conclusion only when the authentication state that goes offline of the first vehicle mounted electrical apparatus 10 is to authenticate successfully and the first vehicle mounted electrical apparatus 10
Accidental enciphering number authentication state be when authenticating successfully, the second vehicle mounted electrical apparatus 20 just judges the certification shape of the first vehicle mounted electrical apparatus 10
State be authenticate successfully, i.e. the second vehicle mounted electrical apparatus 20 judge the first vehicle mounted electrical apparatus 10 for original-pack or genuine vehicle mounted electrical apparatus, and then control
Device 30 allows user's normal use vehicle.
Further, in one embodiment of the invention, controller 30 is also used to the certification in the first vehicle mounted electrical apparatus 10
When state is authentification failure, authentification failure flag information is generated.
Further, in one embodiment of the invention, the second vehicle mounted electrical apparatus 20 is also used to according to authentification failure mark
Information carries out warning note.Specifically, in one embodiment of the invention, the second vehicle mounted electrical apparatus 20 can show warning note
Information or sending voice prompting etc., such as " genuine vehicle mounted electrical apparatus please don't be reequiped ", " genuine vehicle mounted electrical apparatus please don't be removed ", to remind
User reinstalls original-pack or genuine vehicle mounted electrical apparatus, prevents influence non-original-pack or that genuine vehicle mounted electrical apparatus is to vehicle performance.
Further, in one embodiment of the invention, as shown in fig. 7, the first vehicle mounted electrical apparatus 10 can be multimedia
System, the second vehicle mounted electrical apparatus 20 can be combination instrument, and controller 30 can be BCM.Specifically, in an implementation of the invention
Example in, as shown in fig. 7, in vehicle the information of variant rate such as digital certificate solicited message, digital certificate return information and
The authentication state etc. of first vehicle mounted electrical apparatus 10 can be transmitted by CAN bus, and can be forwarded by gateway, with reality
Normal communication between each vehicle mounted electrical apparatus in existing vehicle.
The electronic identification system for the vehicle mounted electrical apparatus that the embodiment of the present invention proposes receives digital certificate by the first vehicle mounted electrical apparatus
Solicited message, and digital certificate return information is generated according to digital certificate solicited message, and send digital certificate return information,
And digital certificate solicited message is generated by the second vehicle mounted electrical apparatus, and letter is replied according to digital certificate solicited message and digital certificate
Breath obtain the first vehicle mounted electrical apparatus authentication state, thus controller the first vehicle mounted electrical apparatus authentication state be authentification failure when,
Forbid vehicle launch after the first preset time.The electronic identification system of the vehicle mounted electrical apparatus only allow through the original-pack of certification or
Genuine vehicle mounted electrical apparatus onboard normal use, rather than original-pack or genuine vehicle mounted electrical apparatus then cannot be used onboard, not only be protected
The performance of vehicle, while also strong guarantee is provided for the personal safety as well as the property safety of user.
Any process described otherwise above or method description are construed as in flow chart or herein, and expression includes
It is one or more for realizing specific logical function or process the step of executable instruction code module, segment or portion
Point, and the range of the preferred embodiment of the present invention includes other realization, wherein can not press shown or discussed suitable
Sequence, including according to related function by it is basic simultaneously in the way of or in the opposite order, to execute function, this should be of the invention
Embodiment person of ordinary skill in the field understood.
Expression or logic and/or step described otherwise above herein in flow charts, for example, being considered use
In the order list for the executable instruction for realizing logic function, may be embodied in any computer-readable medium, for
Instruction execution system, device or equipment (such as computer based system, including the system of processor or other can be held from instruction
The instruction fetch of row system, device or equipment and the system executed instruction) it uses, or combine these instruction execution systems, device or set
It is standby and use.For the purpose of this specification, " computer-readable medium ", which can be, any may include, stores, communicates, propagates or pass
Defeated program is for instruction execution system, device or equipment or the dress used in conjunction with these instruction execution systems, device or equipment
It sets.The more specific example (non-exhaustive list) of computer-readable medium include the following: there is the electricity of one or more wirings
Interconnecting piece (electronic device), portable computer diskette box (magnetic device), random access memory (RAM), read-only memory
(ROM), erasable edit read-only storage (EPROM or flash memory), fiber device and portable optic disk is read-only deposits
Reservoir (CDROM).In addition, computer-readable medium can even is that the paper that can print described program on it or other are suitable
Medium, because can then be edited, be interpreted or when necessary with it for example by carrying out optical scanner to paper or other media
His suitable method is handled electronically to obtain described program, is then stored in computer storage.
It should be appreciated that each section of the invention can be realized with hardware, software, firmware or their combination.Above-mentioned
In embodiment, software that multiple steps or method can be executed in memory and by suitable instruction execution system with storage
Or firmware is realized.It, and in another embodiment, can be under well known in the art for example, if realized with hardware
Any one of column technology or their combination are realized: having a logic gates for realizing logic function to data-signal
Discrete logic, with suitable combinational logic gate circuit specific integrated circuit, programmable gate array (PGA), scene
Programmable gate array (FPGA) etc..
Those skilled in the art are understood that realize all or part of step that above-described embodiment method carries
It suddenly is that relevant hardware can be instructed to complete by program, the program can store in a kind of computer-readable storage medium
In matter, which when being executed, includes the steps that one or a combination set of embodiment of the method.
It, can also be in addition, each functional unit in each embodiment of the present invention can integrate in a processing module
It is that each unit physically exists alone, can also be integrated in two or more units in a module.Above-mentioned integrated mould
Block both can take the form of hardware realization, can also be realized in the form of software function module.The integrated module is such as
Fruit is realized and when sold or used as an independent product in the form of software function module, also can store in a computer
In read/write memory medium.
Storage medium mentioned above can be read-only memory, disk or CD etc..
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
One or more embodiment or examples in can be combined in any suitable manner.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is by appended claims and its equivalent limits.
Claims (16)
1. a kind of electronic identification system of vehicle mounted electrical apparatus, which is characterized in that including the first vehicle mounted electrical apparatus, the second vehicle mounted electrical apparatus and control
Device processed, wherein
First vehicle mounted electrical apparatus is generated for receiving digital certificate solicited message, and according to the digital certificate solicited message
Digital certificate return information, and send the digital certificate return information；
Second vehicle mounted electrical apparatus, for generating the digital certificate solicited message, and according to the digital certificate solicited message
The authentication state of first vehicle mounted electrical apparatus, the certification shape of first vehicle mounted electrical apparatus are obtained with the digital certificate return information
State includes the accidental enciphering number authentication state of go offline authentication state and first vehicle mounted electrical apparatus of first vehicle mounted electrical apparatus；With
And
The controller, for the authentication state in first vehicle mounted electrical apparatus be authentification failure when, the first preset time it
After forbid vehicle launch.
2. electronic identification system as described in claim 1, which is characterized in that the digital certificate solicited message is fallen including first
Line detects certification request information, or goes offline including second and detect certification request information and accidental enciphering number certification request information,
It includes first going offline detection certification return information, or recognize including second detection that goes offline that the digital certificate return information is corresponding
It demonstrate,proves return information and accidental enciphering number authenticates return information.
3. electronic identification system as claimed in claim 2, which is characterized in that the accidental enciphering number certification request information includes
Encrypted random number or encrypted random number sequence, wherein first vehicle mounted electrical apparatus is according to preset-key to the accidental enciphering number
The encrypted random number or the encrypted random number sequence in certification request information are decrypted, and according to the encryption after decryption
Random number or encrypted random number sequence generate the accidental enciphering number and authenticate return information.
4. electronic identification system as claimed in claim 3, which is characterized in that second vehicle mounted electrical apparatus includes:
Go offline authentication sub module, for go offline according to described first detect certification request information and described first go offline detection certification
Return information obtains the authentication state that goes offline of first vehicle mounted electrical apparatus；And
Accidental enciphering number authentication sub module detects certification request information, the accidental enciphering number for going offline according to described second
Certification request information, described second go offline described in detection certification return information and accidental enciphering number certification return information acquisition
The accidental enciphering number authentication state of first vehicle mounted electrical apparatus.
5. electronic identification system as claimed in claim 4, which is characterized in that wherein,
Do not received after second vehicle mounted electrical apparatus is in the second preset time described first go offline detection certification return information,
Then the authentication sub module that goes offline judges the authentication state that goes offline of first vehicle mounted electrical apparatus for authentification failure；And
Believe when second vehicle mounted electrical apparatus receives described second within second preset time and goes offline to detect certification and reply
It ceases and does not receive the accidental enciphering number certification return information after third preset time, or work as second vehicle mounted electric
When the accidental enciphering number certification return information that device receives is incorrect, then the accidental enciphering number authentication sub module judges institute
The accidental enciphering number authentication state for stating the first vehicle mounted electrical apparatus is authentification failure.
6. electronic identification system as described in claim 1, which is characterized in that the controller is also used to vehicle-mounted described first
When the authentication state of electric appliance is authentification failure, authentification failure flag information is generated.
7. electronic identification system as claimed in claim 6, which is characterized in that second vehicle mounted electrical apparatus is also used to according to
Authentification failure flag information carries out warning note.
8. electronic identification system as described in claim 1, which is characterized in that first vehicle mounted electrical apparatus is multimedia system,
Second vehicle mounted electrical apparatus is combination instrument.
9. a kind of digital certificate method of vehicle mounted electrical apparatus, which comprises the following steps:
First vehicle mounted electrical apparatus receives the digital certificate solicited message that the second vehicle mounted electrical apparatus is sent；
First vehicle mounted electrical apparatus generates digital certificate return information according to the digital certificate solicited message, and by the electronics
Certification return information is sent to second vehicle mounted electrical apparatus；
Second vehicle mounted electrical apparatus receives the digital certificate return information, and according to the digital certificate solicited message and described
Digital certificate return information obtains the authentication state of first vehicle mounted electrical apparatus, and the authentication state of first vehicle mounted electrical apparatus includes
The accidental enciphering number authentication state of go offline authentication state and first vehicle mounted electrical apparatus of first vehicle mounted electrical apparatus；And
When the authentication state of first vehicle mounted electrical apparatus is authentification failure, forbid vehicle launch after the first preset time.
10. digital certificate method as claimed in claim 9, which is characterized in that the digital certificate solicited message includes first
It goes offline and detects certification request information, or go offline including second and detect certification request information and accidental enciphering number certification request letter
Breath, it includes first going offline detection certification return information, or go offline inspection including second that the digital certificate return information is corresponding
It surveys certification return information and accidental enciphering number authenticates return information.
11. digital certificate method as claimed in claim 10, which is characterized in that the accidental enciphering number certification request packet
Include encrypted random number or encrypted random number sequence, wherein first vehicle mounted electrical apparatus is according to preset-key to the accidental enciphering
The encrypted random number or the encrypted random number sequence in number certification request information are decrypted, and according to adding after decryption
Close random number or encrypted random number sequence generate the accidental enciphering number and authenticate return information.
12. digital certificate method as claimed in claim 11, which is characterized in that second vehicle mounted electrical apparatus is according to described first
Go offline detect certification request information and described first go offline detection certification return information obtain going offline for first vehicle mounted electrical apparatus
Authentication state, and go offline according to described second and to detect certification request information, the accidental enciphering number certification request information, described
Second go offline detection certification return information and the accidental enciphering number certification return information obtain first vehicle mounted electrical apparatus with
Machine encrypts number authentication state.
13. digital certificate method as claimed in claim 12, which is characterized in that wherein,
Do not received after second vehicle mounted electrical apparatus is in the second preset time described first go offline detection certification return information,
Then judge the authentication state that goes offline of first vehicle mounted electrical apparatus for authentification failure；And
Believe when second vehicle mounted electrical apparatus receives described second within second preset time and goes offline to detect certification and reply
It ceases and does not receive the accidental enciphering number certification return information after third preset time, or work as second vehicle mounted electric
When the accidental enciphering number certification return information that device receives is incorrect, then the accidental enciphering of first vehicle mounted electrical apparatus is judged
Number authentication state is authentification failure.
14. digital certificate method as claimed in claim 9, which is characterized in that further comprising the steps of:
When the authentication state of first vehicle mounted electrical apparatus is authentification failure, authentification failure flag information is generated.
15. digital certificate method as claimed in claim 14, which is characterized in that second vehicle mounted electrical apparatus is according to the certification
Failure flags information carries out warning note.
16. digital certificate method as claimed in claim 9, which is characterized in that first vehicle mounted electrical apparatus is multimedia system,
Second vehicle mounted electrical apparatus is combination instrument.
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| CN201410462722.9A CN105471583B (en) | 2014-09-11 | 2014-09-11 | The digital certificate method and electronic identification system of vehicle mounted electrical apparatus |
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| CN201410462722.9A CN105471583B (en) | 2014-09-11 | 2014-09-11 | The digital certificate method and electronic identification system of vehicle mounted electrical apparatus |
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| CN105471583B true CN105471583B (en) | 2019-01-29 |
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| CN110751786B (en) * | 2018-07-23 | 2022-04-15 | 奥动新能源汽车科技有限公司 | Battery swapping encryption system and method |
| CN111147239B (en) * | 2019-12-27 | 2022-02-11 | 郑州信大捷安信息技术股份有限公司 | Offline remote authorization authentication method and system |
| CN112544058B (en) * | 2020-07-22 | 2022-07-19 | 华为技术有限公司 | Authentication detection method, device and system |
| CN113872770A (en) * | 2021-10-14 | 2021-12-31 | 中国第一汽车股份有限公司 | Security verification method, system, electronic device and storage medium |
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| US20060059360A1 (en) * | 2004-07-01 | 2006-03-16 | Ortkiese Jerry B | Authenticating controller |
| CN1988699A (en) * | 2005-12-20 | 2007-06-27 | 姚立和 | Method and system for identifying battery of portable electronic device |
| CN101470914B (en) * | 2007-12-28 | 2012-11-14 | 财团法人车辆研究测试中心 | Electronic equipment theft-proof system for automobile and method thereof |
| CN101561943B (en) * | 2008-04-17 | 2012-07-04 | 台达电子工业股份有限公司 | Electronic safe-guard identification system of vehicle component |
| CA2850564A1 (en) * | 2011-09-30 | 2013-04-04 | Vertex Pharmaceuticals Incorporated | Compounds useful as inhibitors of atr kinase |
| CN103327000A (en) * | 2012-03-23 | 2013-09-25 | 华硕电脑股份有限公司 | Authentication method and authentication system of electronic product |
| CN103763631B (en) * | 2014-01-07 | 2018-06-01 | 青岛海信电器股份有限公司 | Authentication method, server and television set |
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