CN103178966A - KPD (key position detection) authentication method and system for vehicle and smart key and vehicle base station - Google Patents
KPD (key position detection) authentication method and system for vehicle and smart key and vehicle base station Download PDFInfo
- Publication number
- CN103178966A CN103178966A CN2013100886681A CN201310088668A CN103178966A CN 103178966 A CN103178966 A CN 103178966A CN 2013100886681 A CN2013100886681 A CN 2013100886681A CN 201310088668 A CN201310088668 A CN 201310088668A CN 103178966 A CN103178966 A CN 103178966A
- Authority
- CN
- China
- Prior art keywords
- intelligent key
- base station
- identity
- authentication
- low frequency
- 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.)
- Granted
Links
Images
Landscapes
- Lock And Its Accessories (AREA)
Abstract
The invention provides a KPD (key position detection) authentication method and system for a vehicle and a smart key and a vehicle base station. The method comprises the following steps of: sending encrypted and coded identity authentication information to the smart key through low frequency so as to initiate identity authentication and starting a timer; when the time of the timer reaches set time, sending a low-frequency carrier wave to the smart key through low frequency so as to initiate position authentication; receiving authentication results sent by the smart key through high frequency, wherein the authentication results include an identity authentication result obtained in a manner that the smart key decrypts and decodes the identity authentication information and a measurement result obtained through measuring the field intensity of the low-frequency carrier wave; and judging whether the identity and position of the smart key are legal or not according to the identity authentication result and the measurement result, and executing related operations when the identity and position of the smart key are legal. The method, the system and the vehicle base station, provided by the invention, have the advantages that the time for KPD authentication is greatly shortened, the probability that unstable factors appear in a communication process is reduced, and the practicability of PEPS (Passive Entry & Push Start Systems) is enhanced.
Description
Technical field
The present invention relates to the PEPS technical field, relate in particular to KPD authentication method, vehicle base station and the system of a kind of vehicle and Intelligent key.
Background technology
Along with the development of science and technology and popularizing of automobile, automobile is towards more and more intelligent future development, and the PEPS technology becomes the important configuration of intelligent automobile comfortableness.And the KPD of vehicle and Intelligent key authentication has huge application prospect as the key technology of PEPS.
In prior art, the KPD verification process of vehicle and Intelligent key is: the vehicle base station sends authentication information by low frequency; Intelligent key receives authentication information, and authentication information is decrypted the solution code authentication, and the authentication result that obtains is sent to the vehicle base station by high frequency; The vehicle base station receives the high frequency authentication result, and whether parsing high frequency authentication result is legal, if legal, sends low frequency carrier signal, initiates the key position authentication; Intelligent key is measured the low frequency carrier signal field intensity, and the measurement result of low frequency carrier signal field intensity is sent to the vehicle base station; The measurement result of low frequency carrier signal field intensity is resolved in the vehicle base station, judges according to analysis result whether the position of Intelligent key is legal, if legal carry out associative operation.
The inventor finds in realizing the process of the invention: in prior art, the KPD verification process of vehicle and Intelligent key is more loaded down with trivial details, and is consuming time longer, and, increased the possibility that occurs destabilizing factor in vehicle base station and Intelligent key communication process.
Summary of the invention
In view of this, the invention provides KPD authentication method, vehicle base station and the system of a kind of vehicle and Intelligent key, more loaded down with trivial details in order to the KPD verification process that solves vehicle of the prior art and Intelligent key, consuming time longer, and, increased the problem that occurs the possibility of destabilizing factor in vehicle base station and Intelligent key communication process, its technical scheme is as follows:
The KPD authentication method of a kind of vehicle and Intelligent key, vehicle base station arrange timer, and described method comprises:
The authentication information that sends scrambled by low frequency to Intelligent key to be initiating authentication, and starts described timer;
When the time of described timer arrives setting-up time, send low frequency carrier signal by low frequency to described Intelligent key and authenticate with launch position;
Receive the authentication result that described Intelligent key sends by high frequency, described authentication result comprises: described Intelligent key is decrypted to described authentication information the identity authentication result that decoding obtains, and the resulting measurement result of field intensity of measuring described low frequency carrier signal;
According to described identity authentication result and described measurement result judge the identity of described Intelligent key and the position whether all legal, when the identity of described Intelligent key and position are all legal, carry out associative operation.
Preferably, described timer is the timer of 1～20ms.
Wherein, described authentication information comprises: Intelligent key ID, random array, the first ciphertext and CRC check byte, described the first ciphertext generates by initial data being utilized the first cryptographic algorithm encrypt, and described initial data comprises: Intelligent key ID, Intelligent key key, random array and password.
Wherein, described Intelligent key is decrypted to described authentication information the process that obtains identity authentication result of decoding and comprises: whether the data that receive by the judgement of the CRC check byte in described authentication information are effective, if the data that receive are effective, the first ciphertext in authentication information is decrypted by the first decipherment algorithm corresponding with described the first cryptographic algorithm, obtain data decryption, utilizing the second cryptographic algorithm to encrypt data decryption generates the second ciphertext, generates the identity authentication result that comprises CRC check byte and the second ciphertext.
Wherein, judge according to described identity authentication result whether legal process comprises for the identity of described Intelligent key:
Whether the data that receive by the judgement of the CRC check byte in described identity authentication result are effective, if the data that receive are effective, be decrypted by the second decipherment algorithm corresponding with the second cryptographic algorithm, obtain data decryption, data decryption and initial data are compared, if data decryption is consistent with initial data, the Intelligent key identity is legal.
Wherein, judge according to described measurement result whether legal process comprises for the position of described Intelligent key:
Determine the distance of described Intelligent key and vehicle antenna for base station according to described measurement result, judge described distance whether in preset range, if described distance in preset range, the position of described Intelligent key is legal.
A kind of vehicle base station, described vehicle base station are provided with timer, and described vehicle base station comprises: the first transmitting element, start unit, the first judging unit, the second transmitting element, receiving element, the second judging unit and performance element;
Described the first transmitting element is used for sending the authentication information of scrambled to initiate authentication by low frequency to Intelligent key;
Described start unit is used for starting when described Intelligent key sends authentication information at described the first transmitting element described timer;
Described the first judging unit is used for judging whether the time of described timer arrives setting-up time;
Described the second transmitting element is used for sending low frequency carrier signal by low frequency to described Intelligent key and authenticating with launch position when the time of described timer arrives setting-up time;
Described receiving element, be used for receiving the authentication result that described Intelligent key sends by high frequency, described authentication result comprises: described Intelligent key is decrypted to described authentication information the identity authentication result that decoding obtains, and the resulting measurement result of field intensity of measuring described low frequency carrier signal;
Described the second judging unit, be used for according to described identity authentication result and described measurement result judge the identity of described Intelligent key and the position whether all legal;
Described performance element is used for when the identity of described Intelligent key and position are all legal the execution associative operation.
Wherein, described authentication information comprises: Intelligent key ID, random array, the first ciphertext and CRC check byte, described the first ciphertext generates by initial data being utilized the first cryptographic algorithm encrypt, and described initial data comprises: Intelligent key ID, Intelligent key key, random array and password.
Preferably, described timer is the timer of 1～20ms.
The KPD Verification System of a kind of vehicle and Intelligent key comprises: vehicle base station and Intelligent key;
Described vehicle base station, be used for sending the authentication information of scrambled by low frequency to described Intelligent key, and start described timer, when the time of described timer arrives setting-up time, send low frequency carrier signal by low frequency to described Intelligent key and authenticate with launch position;
Described Intelligent key, be used for that described authentication information is decrypted decoding and obtain identity authentication result, and, the field intensity of measuring described low frequency carrier signal obtains measurement result, described identity authentication result and measurement result are sent to described vehicle base station by high frequency, so that associative operation when all legal in the identity of judging described Intelligent key according to described identity authentication result and described measurement result and position, is carried out in described vehicle base station.
Have following beneficial effect in technique scheme:
In the KPD authentication method of vehicle provided by the invention and Intelligent key, vehicle base station and system, in the vehicle base station, timer is set, when the vehicle base station sends authentication information by low frequency to Intelligent key, start timer, when the time of timer arrives setting-up time, the vehicle base station sends the authentication of low frequency carrier signal launch position by low frequency to Intelligent key, and need not be as prior art, the vehicle base station just sends the authentication of low frequency carrier signal launch position to Intelligent key after receiving the identity authentication result that Intelligent key sends by high frequency.Compare with KPD authentication method of the prior art, the present invention has reduced by a high frequency communication process, and the vehicle base station is placed on a process to the judgement of identity authentication result and measurement result, the very big like this authenticated time that shortens KPD, reduced the possibility that occurs destabilizing factor in the communication process, and, easier in setting-up time authentication success, realize that fast solution locks door, starts the operations such as vehicle, has strengthened the practicality of PEPS.
Description of drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or description of the Prior Art, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to the accompanying drawing that provides other accompanying drawing.
The schematic flow sheet of the vehicle that Fig. 1 provides for the embodiment of the present invention one and the KPD authentication method of Intelligent key;
The schematic flow sheet of the vehicle that Fig. 2 provides for the embodiment of the present invention two and the KPD authentication method of Intelligent key;
The structural representation of Fig. 3 provides for the embodiment of the present invention three vehicle base station;
The structural representation of Fig. 4 provides for the embodiment of the present invention four vehicle base station;
The structural representation of the vehicle that Fig. 5 provides for the embodiment of the present invention five and the KPD Verification System of Intelligent key;
The vehicle that Fig. 6 provides for the embodiment of the present invention five and the KPD Verification System of Intelligent key realize the schematic flow sheet of KPD authentication.
Embodiment
For quote and know for the purpose of, the explanation of the technical term that hereinafter uses, write a Chinese character in simplified form or abridge and be summarized as follows:
PEPS:Passive entry﹠amp; Push start systems enters without key and the startup system
KPD:Key Position Detection key position detects
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
Embodiment one
The embodiment of the present invention one provides the KPD authentication method of a kind of vehicle and Intelligent key, and corresponding with Intelligent key vehicle base station is provided with timer, and Fig. 1 shows the schematic flow sheet of the method, and the method can comprise:
S101: send the authentication information of scrambled by low frequency to Intelligent key, and start timer.
S102: whether the time that judges timer arrives setting-up time, when the time of timer arrives setting-up time, changes step S103 over to; Otherwise, do not carry out any operation.
S103: send low frequency carrier signal to authenticate to the Intelligent key launch position to Intelligent key by low frequency.
S104: receive the authentication result that Intelligent key sends by high frequency, wherein, authentication result comprises: Intelligent key is decrypted to authentication information the identity authentication result that decoding obtains, and the resulting measurement result of field intensity of measuring low frequency carrier signal.
S105: according to identity authentication result and measurement result judge the identity of Intelligent key and the position whether all legal, when the identity of Intelligent key and position are all legal, execution in step S106; Otherwise, do not carry out any operation.
S106: carry out associative operation, such as: solution locks door, starts vehicle etc.
In the KPD authentication method of the vehicle that the embodiment of the present invention one provides and Intelligent key, the vehicle base station is provided with timer, when the vehicle base station sends authentication information by low frequency to Intelligent key, start timer, when the time of timer arrives setting-up time, the vehicle base station sends the authentication of low frequency carrier signal launch position by low frequency to Intelligent key, and need not be as prior art, the vehicle base station just sends the authentication of low frequency carrier signal launch position to Intelligent key after receiving the identity authentication result that Intelligent key sends by high frequency.Compare with KPD authentication method of the prior art, the embodiment of the present invention has reduced by a high frequency communication process, and, the vehicle base station is placed on a process to the judgement of identity authentication result and measurement result, and the very big like this authenticated time that shortens KPD has reduced the possibility that occurs destabilizing factor in the communication process, and, easier in setting-up time authentication success, realize that fast solution locks door, starts the operations such as vehicle, has strengthened the practicality of PEPS.
Embodiment two
The embodiment of the present invention two provides the KPD authentication method of a kind of vehicle and Intelligent key, and corresponding with Intelligent key vehicle base station is provided with timer, and Fig. 2 shows the schematic flow sheet of the method, and the method can comprise:
S201: send the authentication information of scrambled by low frequency to Intelligent key, and start timer.
Wherein, the vehicle base station can comprise to the authentication information that Intelligent key sends by low frequency: heading, the first data and message trailer.The first data comprise: Intelligent key ID, random array, the first ciphertext and CRC check byte.The first ciphertext is that the vehicle base station generates by initial data being utilized the first cryptographic algorithm encrypt, and wherein, initial data comprises: Intelligent key ID, Intelligent key key SK, random array and password.
S202: whether the time that judges timer arrives setting-up time, when the time of timer arrives setting-up time, changes step S203 over to; Otherwise, do not carry out any operation.
Wherein, the timer in the present embodiment is preferably the timer of 2ms, and namely the setting-up time in step S102 can be 2ms.The present embodiment does not limit setting-up time can 2ms, and setting-up time can be set as the case may be.
S203: send low frequency carrier signal to authenticate to the Intelligent key launch position to Intelligent key by low frequency.
Wherein, the low frequency carrier signal in the present embodiment can be sine wave.
S204: receive the authentication result that Intelligent key sends by high frequency, wherein, authentication result comprises: Intelligent key is decrypted to authentication information the identity authentication result that decoding obtains, and the resulting measurement result of field intensity of measuring low frequency carrier signal.
wherein, after Intelligent key receives authentication information, whether the data that receive by the judgement of CRC check byte are effective, if the data that receive are effective, the first ciphertext in the first data in authentication information is decrypted by the first decipherment algorithm corresponding with the first cryptographic algorithm, obtain deciphering logarithmic data, be Intelligent key ID, the Intelligent key key SK, random array and password, then data decryption is utilized the second cryptographic algorithm to encrypt and generate the second ciphertext, again identity authentication result is sent to the vehicle base station by high frequency, wherein, identity authentication result comprises: heading, the second data and message trailer, the second data comprise: Intelligent key ID, random array, the second ciphertext and CRC check byte.
S205: according to identity authentication result and measurement result judge the identity of Intelligent key and the position whether all legal, when the identity of Intelligent key and position are all legal, execution in step S206; Otherwise, do not carry out any operation.
After the vehicle base station receives identity authentication result, whether the data that receive by the judgement of the CRC check byte in identity authentication result are effective, if the data that receive are effective, be decrypted by the second decipherment algorithm corresponding with the second cryptographic algorithm, obtain data decryption, data decryption and initial data are compared, if data decryption is consistent with initial data, the Intelligent key identity is legal.
After the vehicle base station receives the measurement result of field intensity of low frequency carrier signal, determine the distance of Intelligent key and vehicle antenna for base station according to measurement result, if distance shows that the position of Intelligent key is legal in preset range.Wherein, preset range can but be not defined as the scope of the circumference n rice take certain car door as the center of circle.
Need to prove, the high frequency communication time is generally at 20～60ms, and in order to save authenticated time, in the present embodiment, the setting-up time of timer is less than 20ms.
S206: carry out associative operation, such as: solution locks door, starts vehicle etc.
In the KPD authentication method of the vehicle that the embodiment of the present invention two provides and Intelligent key, the vehicle base station is provided with timer, when the vehicle base station sends authentication information by low frequency to Intelligent key, start timer, when the time of timer arrives setting-up time, the vehicle base station sends the authentication of low frequency carrier signal launch position by low frequency to Intelligent key, and need not be as prior art, the vehicle base station just sends the authentication of low frequency carrier signal launch position to Intelligent key after receiving the identity authentication result that Intelligent key sends by high frequency.Compare with KPD authentication method of the prior art, the embodiment of the present invention has reduced by a high frequency communication process, and the vehicle base station is placed on a process to the judgement of identity authentication result and measurement result, the very big like this authenticated time that shortens KPD, reduced the possibility that occurs destabilizing factor in the communication process, and, easier in setting-up time authentication success, realize that fast solution locks door, starts the operations such as vehicle, has strengthened the practicality of PEPS.
Embodiment three
The embodiment of the present invention three provides a kind of vehicle base station, this vehicle base station is provided with timer, Fig. 3 shows the structural representation of this vehicle base station, and this vehicle base station can comprise: the first transmitting element 101, start unit 102, the first judging unit 103, the second transmitting element 104, receiving element 105, the second judging unit 106 and performance element 107.Wherein:
The first transmitting element 101 is used for sending the authentication information of scrambled to initiate authentication by low frequency to Intelligent key.
The first judging unit 103 is used for judging whether the time of timer arrives setting-up time.
The second transmitting element 104 is used for sending low frequency carrier signal by low frequency to Intelligent key and authenticating with launch position when the time of timer arrives setting-up time.
Receiving element 105 is used for receiving the authentication result that Intelligent key sends by high frequency, and authentication result comprises: Intelligent key is decrypted to authentication information the identity authentication result that decoding obtains, and the resulting measurement result of field intensity of measuring low frequency carrier signal.
The second judging unit 106, be used for according to identity authentication result and measurement result judge the identity of Intelligent key and the position whether all legal.
The embodiment of the present invention three provides vehicle base station is provided with timer, when the vehicle base station sends authentication information by low frequency to Intelligent key, start timer, when the time of timer arrives setting-up time, the vehicle base station sends the authentication of low frequency carrier signal launch position by low frequency to Intelligent key, and need not be as prior art, the vehicle base station just sends the authentication of low frequency carrier signal launch position to Intelligent key after receiving the identity authentication result that Intelligent key sends by high frequency.With compare in prior art, the embodiment of the present invention three provides vehicle base station makes the KPD verification process reduce by a high frequency communication process, and the vehicle base station is placed on a process to the judgement of identity authentication result and measurement result, the very big like this authenticated time that shortens KPD, reduced the possibility that occurs destabilizing factor in the communication process, and, easier in setting-up time authentication success, realize that fast solution locks door, starts the operations such as vehicle, has strengthened the practicality of PEPS.
Embodiment four
The embodiment of the present invention four provides a kind of vehicle base station, this vehicle base station is provided with timer, Fig. 4 shows the structural representation of this vehicle base station, and this vehicle base station can comprise: the first transmitting element 201, start unit 202, the first judging unit 203, the second transmitting element 204, receiving element 205, the second judging unit 206 and performance element 207.Wherein:
The first transmitting element 201 is used for sending the authentication information of scrambled to initiate authentication by low frequency to Intelligent key.Further, the first transmitting element 201 comprises: encrypt subelement 2011 and send subelement 2012, wherein, encrypt subelement 2011, be used for utilizing the first cryptographic algorithm to encrypt initial data and generate the first ciphertext, send subelement 2012, be used for to comprise that the authentication information of the first ciphertext sends to Intelligent key, authentication information also comprises Intelligent key ID, random array and CRC check byte except comprising the first ciphertext.
The first judging unit 203 is used for judging whether the time of timer arrives setting-up time.
The second transmitting element 204 is used for sending low frequency carrier signal by low frequency to Intelligent key and authenticating with launch position when the time of timer arrives setting-up time.Wherein, the setting-up time of timer is preferably 2ms less than 20ms.
after Intelligent key receives authentication information, whether the data that receive by the judgement of CRC check byte are effective, if the data that receive are effective, the first ciphertext in the first data in authentication information is decrypted by the first decipherment algorithm corresponding with the first cryptographic algorithm, obtain deciphering logarithmic data, be Intelligent key ID, the Intelligent key key SK, random array and password, then data decryption is utilized the second cryptographic algorithm to encrypt and generate the second ciphertext, again identity authentication result is sent to the vehicle base station by high frequency, wherein, identity authentication result comprises: heading, the second data and message trailer, the second data comprise: Intelligent key ID, random array, the second ciphertext and CRC check byte.
Receiving element 205 is used for receiving the authentication result that Intelligent key sends by high frequency, and authentication result comprises: Intelligent key is decrypted to authentication information the identity authentication result that decoding obtains, and the resulting measurement result of field intensity of measuring low frequency carrier signal.
The second judging unit 206, be used for according to identity authentication result and measurement result judge the identity of Intelligent key and the position whether all legal.Further, the second judging unit 206 comprises: the first judgment sub-unit 2061, the deciphering subelement 2062, the second judgment sub-unit 2063, determine subelement 2064 and the 3rd judgment sub-unit 2065.The first judgment sub-unit 2061, be used for judging that the CRC check byte of identity authentication result judges whether the data that receive are effective, deciphering subelement 2062, be used for when the data that receive are effective, be decrypted by the second decipherment algorithm corresponding with the second cryptographic algorithm, obtain data decryption, the second judgment sub-unit 2063, be used for judge whether data decryption is consistent with initial data, if unanimously show that the identity of Intelligent key is legal.Determine subelement 2064, be used for determining according to measurement result the distance of Intelligent key and vehicle antenna for base station; The 3rd judgment sub-unit 2065, if whether the distance that is used for judging Intelligent key and vehicle antenna for base station in preset range, shows the position of Intelligent key legal in preset range, wherein, preset range can be the scope of the circumference n rice take certain car door as the center of circle.
The embodiment of the present invention four provides vehicle base station is provided with timer, when the vehicle base station sends authentication information by low frequency to Intelligent key, start timer, when the time of timer arrives setting-up time, the vehicle base station sends the authentication of low frequency carrier signal launch position by low frequency to Intelligent key, and need not be as prior art, the vehicle base station just sends the authentication of low frequency carrier signal launch position to Intelligent key after receiving the identity authentication result that Intelligent key sends by high frequency.With compare in prior art, the present embodiment provides vehicle base station makes the KPD verification process reduce by a high frequency communication process, and the vehicle base station is placed on a process to the judgement of identity authentication result and measurement result, the very big like this authenticated time that shortens KPD, reduced the possibility that occurs destabilizing factor in the communication process, and, easier in setting-up time authentication success, realize that fast solution locks door, starts the operations such as vehicle, has strengthened the practicality of PEPS.
Embodiment five
The embodiment of the present invention five provides the KPD Verification System of a kind of vehicle and Intelligent key, and Fig. 5 shows the structural representation of this system, and this system can comprise: vehicle base station 1 and Intelligent key 2.
The system that Fig. 6 shows the embodiment of the present invention five to be provided realizes the process of KPD authentication:
Vehicle base station 1 sends the authentication information of scrambled by low frequency to Intelligent key 2, and starts timer, when the time of timer arrives setting-up time, sends low frequency carrier signal by low frequency to Intelligent key 2 and authenticates with launch position.
Intelligent key 2 is when receiving authentication information, authentication information is decrypted decoding obtains identity authentication result, and, when receiving low frequency carrier signal, the field intensity of measuring low frequency carrier signal obtains measurement result, and identity authentication result and measurement result are sent to vehicle base station 1 by high frequency.
Vehicle base station 1 according to identity authentication result and measurement result judge the identity of Intelligent key 2 and the position whether all legal, when the identity of Intelligent key 2 and position are all legal, carry out associative operation.
The KPD Verification System of the vehicle that the embodiment of the present invention five provides and Intelligent key, in the vehicle base station, timer is set, when the vehicle base station sends authentication information by low frequency to Intelligent key, start timer, when the time of timer arrives setting-up time, the vehicle base station sends the authentication of low frequency carrier signal launch position by low frequency to Intelligent key, and need not be as prior art, the vehicle base station just sends the authentication of low frequency carrier signal launch position to Intelligent key after receiving the identity authentication result that Intelligent key sends by high frequency.With compare in prior art, the system that the embodiment of the present invention provides makes the KPD verification process reduce by a high frequency communication process, and the vehicle base station is placed on a process to the judgement of identity authentication result and measurement result, the very big like this authenticated time that shortens KPD, reduced the possibility that occurs destabilizing factor in the communication process, and, easier in setting-up time authentication success, realize that fast solution locks door, starts the operations such as vehicle, has strengthened the practicality of PEPS.
For the convenience of describing, be divided into various unit with function when describing above device and describe respectively.Certainly, can realize the function of each unit in same or a plurality of softwares and/or hardware when enforcement is of the present invention.
As seen through the above description of the embodiments, those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential general hardware platform.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words can embody with the form of software product, this computer software product can be stored in storage medium, as ROM/RAM, magnetic disc, CD etc., comprise that some instructions are with so that a computer equipment (can be personal computer, server, the perhaps network equipment etc.) carry out the described method of some part of each embodiment of the present invention or embodiment.
Each embodiment in this specification all adopts the mode of going forward one by one to describe, and between each embodiment, identical similar part is mutually referring to getting final product, and each embodiment stresses is difference with other embodiment.Especially, for system embodiment, substantially similar in appearance to embodiment of the method, so describe fairly simplely, relevant part gets final product referring to the part explanation of embodiment of the method due to it.System embodiment described above is only schematic, wherein said unit as the separating component explanation can or can not be also physically to separate, the parts that show as the unit can be or can not be also physical locations, namely can be positioned at a place, perhaps also can be distributed on a plurality of network element.Can select according to the actual needs wherein some or all of module to realize the purpose of the present embodiment scheme.Those of ordinary skills namely can understand and implement in the situation that do not pay creative work.
The present invention can be used in numerous general or special purpose computingasystem environment or configuration.For example: personal computer, server computer, handheld device or portable set, plate equipment, multicomputer system, the system based on microprocessor, set top box, programmable consumer-elcetronics devices, network PC, minicom, mainframe computer, comprise distributed computing environment (DCE) of above any system or equipment etc.
The present invention can describe in the general context of the computer executable instructions of being carried out by computer, for example program module.Usually, program module comprises the routine carrying out particular task or realize particular abstract data type, program, object, assembly, data structure etc.Also can put into practice the present invention in distributed computing environment (DCE), in these distributed computing environment (DCE), be executed the task by the teleprocessing equipment that is connected by communication network.In distributed computing environment (DCE), program module can be arranged in the local and remote computer-readable storage medium that comprises memory device.
Need to prove, in this article, relational terms such as the first and second grades only is used for an entity or operation are separated with another entity or operating space, and not necessarily requires or hint and have the relation of any this reality or sequentially between these entities or operation.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and General Principle as defined herein can be in the situation that do not break away from the spirit or scope of the present invention, realization in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. the KPD authentication method of a vehicle and Intelligent key, is characterized in that, the vehicle base station arranges timer, and described method comprises:
The authentication information that sends scrambled by low frequency to Intelligent key to be initiating authentication, and starts described timer;
When the time of described timer arrives setting-up time, send low frequency carrier signal by low frequency to described Intelligent key and authenticate with launch position;
Receive the authentication result that described Intelligent key sends by high frequency, described authentication result comprises: described Intelligent key is decrypted to described authentication information the identity authentication result that decoding obtains, and the resulting measurement result of field intensity of measuring described low frequency carrier signal;
According to described identity authentication result and described measurement result judge the identity of described Intelligent key and the position whether all legal, when the identity of described Intelligent key and position are all legal, carry out associative operation.
2. method according to claim 1, is characterized in that, described timer is the timer of 1～20ms.
3. method according to claim 1, it is characterized in that, described authentication information comprises: Intelligent key ID, random array, the first ciphertext and CRC check byte, described the first ciphertext generates by initial data being utilized the first cryptographic algorithm encrypt, and described initial data comprises: Intelligent key ID, Intelligent key key, random array and password.
4. method according to claim 3, is characterized in that, described Intelligent key is decrypted to described authentication information the process that obtains identity authentication result of decoding and comprises:
Whether the data that receive by the judgement of the CRC check byte in described authentication information are effective, if the data that receive are effective, the first ciphertext in authentication information is decrypted by the first decipherment algorithm corresponding with described the first cryptographic algorithm, obtain data decryption, utilizing the second cryptographic algorithm to encrypt data decryption generates the second ciphertext, generates the identity authentication result that comprises CRC check byte and the second ciphertext.
5. method according to claim 4, is characterized in that, judges according to described identity authentication result whether legal process comprises for the identity of described Intelligent key:
Whether the data that receive by the judgement of the CRC check byte in described identity authentication result are effective, if the data that receive are effective, be decrypted by the second decipherment algorithm corresponding with the second cryptographic algorithm, obtain data decryption, data decryption and initial data are compared, if data decryption is consistent with initial data, the Intelligent key identity is legal.
6. method according to claim 1, is characterized in that, judges according to described measurement result whether legal process comprises for the position of described Intelligent key:
Determine the distance of described Intelligent key and vehicle antenna for base station according to described measurement result, judge described distance whether in preset range, if described distance in preset range, the position of described Intelligent key is legal.
7. a vehicle base station, is characterized in that, described vehicle base station is provided with timer, and described vehicle base station comprises: the first transmitting element, start unit, the first judging unit, the second transmitting element, receiving element, the second judging unit and performance element;
Described the first transmitting element is used for sending the authentication information of scrambled to initiate authentication by low frequency to Intelligent key;
Described start unit is used for starting when described Intelligent key sends authentication information at described the first transmitting element described timer;
Described the first judging unit is used for judging whether the time of described timer arrives setting-up time;
Described the second transmitting element is used for sending low frequency carrier signal by low frequency to described Intelligent key and authenticating with launch position when the time of described timer arrives setting-up time;
Described receiving element, be used for receiving the authentication result that described Intelligent key sends by high frequency, described authentication result comprises: described Intelligent key is decrypted to described authentication information the identity authentication result that decoding obtains, and the resulting measurement result of field intensity of measuring described low frequency carrier signal;
Described the second judging unit, be used for according to described identity authentication result and described measurement result judge the identity of described Intelligent key and the position whether all legal;
Described performance element is used for when the identity of described Intelligent key and position are all legal the execution associative operation.
8. vehicle according to claim 7 base station, it is characterized in that, described authentication information comprises: Intelligent key ID, random array, the first ciphertext and CRC check byte, described the first ciphertext generates by initial data being utilized the first cryptographic algorithm encrypt, and described initial data comprises: Intelligent key ID, Intelligent key key, random array and password.
9. vehicle according to claim 7 base station, is characterized in that, described timer is the timer of 1～20ms.
10. the KPD Verification System of a vehicle and Intelligent key, is characterized in that, comprising: vehicle base station and Intelligent key;
Described vehicle base station, be used for sending the authentication information of scrambled by low frequency to described Intelligent key, and start described timer, when the time of described timer arrives setting-up time, send low frequency carrier signal by low frequency to described Intelligent key and authenticate with launch position;
Described Intelligent key, be used for that described authentication information is decrypted decoding and obtain identity authentication result, and, the field intensity of measuring described low frequency carrier signal obtains measurement result, described identity authentication result and measurement result are sent to described vehicle base station by high frequency, so that associative operation when all legal in the identity of judging described Intelligent key according to described identity authentication result and described measurement result and position, is carried out in described vehicle base station.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310088668.1A CN103178966B (en) | 2013-03-19 | 2013-03-19 | The KPD authentication method of vehicle and Intelligent key, vehicle base station and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310088668.1A CN103178966B (en) | 2013-03-19 | 2013-03-19 | The KPD authentication method of vehicle and Intelligent key, vehicle base station and system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103178966A true CN103178966A (en) | 2013-06-26 |
| CN103178966B CN103178966B (en) | 2015-08-12 |
Family
ID=48638598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310088668.1A Active CN103178966B (en) | 2013-03-19 | 2013-03-19 | The KPD authentication method of vehicle and Intelligent key, vehicle base station and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103178966B (en) |
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104727658A (en) * | 2015-01-26 | 2015-06-24 | 湖南银宝科技发展有限公司 | Intelligent lock, intelligent key and control method and device thereof |
| CN105899413A (en) * | 2013-12-03 | 2016-08-24 | 胡夫北美汽车零件制造股份有限公司 | Vehicle control system to prevent relay attack |
| CN105915487A (en) * | 2015-10-21 | 2016-08-31 | 乐卡汽车智能科技（北京）有限公司 | Vehicle electronic key position determination method and equipment |
| CN106696900A (en) * | 2016-12-23 | 2017-05-24 | 上海汽车集团股份有限公司 | Plug-in hybrid vehicle anti-theft method based on encryption of gearbox |
| CN106828413A (en) * | 2017-02-22 | 2017-06-13 | 奇瑞汽车股份有限公司 | A kind of method and system without key controller vehicle |
| CN107914665A (en) * | 2017-11-13 | 2018-04-17 | 南京汽车集团有限公司 | A kind of vehicle remote security remote-control system and remote control thereof |
| CN108001406A (en) * | 2017-12-25 | 2018-05-08 | 安徽天瑞电子科技有限公司 | Key system for electric vehicle |
| CN108109244A (en) * | 2017-12-28 | 2018-06-01 | 重庆集诚汽车电子有限责任公司 | A kind of PEPS controller PE blocking methods |
| CN108297826A (en) * | 2016-06-30 | 2018-07-20 | 福特全球技术公司 | On-demand driver's system and method |
| CN109147097A (en) * | 2017-06-28 | 2019-01-04 | 重庆长安汽车股份有限公司 | Automobile no-key Verification System |
| CN110310397A (en) * | 2019-06-24 | 2019-10-08 | 浙江新吉奥汽车有限公司 | A kind of pure electric automobile anti-theft key certification implementation method |
| WO2020020185A1 (en) * | 2018-07-23 | 2020-01-30 | Byton Limited | Systems and methods for a vehicle authenticating and enrolling a wireless device |
| WO2020216131A1 (en) * | 2019-04-22 | 2020-10-29 | 华为技术有限公司 | Digital key-based identity authentication method, terminal apparatus, and medium |
| CN112009422A (en) * | 2019-05-31 | 2020-12-01 | 长城汽车股份有限公司 | Antenna system of PEPS system, key searching method, PEPS system and vehicle |
| CN112389366A (en) * | 2019-08-13 | 2021-02-23 | 南京天擎汽车电子有限公司 | Intelligent vehicle welcome method, device and system, readable storage medium and vehicle |
| CN112435372A (en) * | 2020-11-18 | 2021-03-02 | 铁将军汽车电子股份有限公司 | Keyless system and induction identification method thereof |
| CN112572343A (en) * | 2019-09-29 | 2021-03-30 | 长城汽车股份有限公司 | Anti-theft authentication method, device and storage medium applied to vehicle |
| CN112601205A (en) * | 2020-12-14 | 2021-04-02 | 高新兴物联科技有限公司 | Automobile intelligent key control method and control system |
| CN114333117A (en) * | 2021-12-30 | 2022-04-12 | 上海洛轲智能科技有限公司 | Radio frequency signal processing method, control terminal and computer readable storage medium |
| CN114973463A (en) * | 2022-06-08 | 2022-08-30 | 一汽奔腾轿车有限公司 | Communication method of automobile intelligent key |
| CN115107701A (en) * | 2022-07-26 | 2022-09-27 | 合众新能源汽车有限公司 | Automobile anti-theft authentication method and system |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007074354A1 (en) * | 2005-12-29 | 2007-07-05 | Renault Trucks | Method for passive keyless entry of a motor vehicle especially of an industrial vehicle |
| US20080061931A1 (en) * | 2006-09-13 | 2008-03-13 | Stefan Hermann | Method for controlling access to a vehicle |
| EP1916162A2 (en) * | 2006-10-27 | 2008-04-30 | Alps Electric Co., Ltd. | Passive keyless entry system |
| CN101290688A (en) * | 2007-04-19 | 2008-10-22 | 阿尔卑斯电气株式会社 | Keyless entry system |
| CN201865426U (en) * | 2010-06-11 | 2011-06-15 | 北京握奇数据系统有限公司 | Passive keyless entry or starting system, vehicle-mounted base station and induction key |
| CN102542644A (en) * | 2010-12-17 | 2012-07-04 | 株式会社东海理化电机制作所 | Electronic key system and electronic key |
| CN102555991A (en) * | 2010-12-07 | 2012-07-11 | 株式会社东海理化电机制作所 | System for preventing establishment of unauthorized communication |
| CN102649420A (en) * | 2011-02-25 | 2012-08-29 | 株式会社东海理化电机制作所 | Electronic key system |
-
2013
- 2013-03-19 CN CN201310088668.1A patent/CN103178966B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007074354A1 (en) * | 2005-12-29 | 2007-07-05 | Renault Trucks | Method for passive keyless entry of a motor vehicle especially of an industrial vehicle |
| US20080061931A1 (en) * | 2006-09-13 | 2008-03-13 | Stefan Hermann | Method for controlling access to a vehicle |
| EP1916162A2 (en) * | 2006-10-27 | 2008-04-30 | Alps Electric Co., Ltd. | Passive keyless entry system |
| CN101290688A (en) * | 2007-04-19 | 2008-10-22 | 阿尔卑斯电气株式会社 | Keyless entry system |
| CN201865426U (en) * | 2010-06-11 | 2011-06-15 | 北京握奇数据系统有限公司 | Passive keyless entry or starting system, vehicle-mounted base station and induction key |
| CN102555991A (en) * | 2010-12-07 | 2012-07-11 | 株式会社东海理化电机制作所 | System for preventing establishment of unauthorized communication |
| CN102542644A (en) * | 2010-12-17 | 2012-07-04 | 株式会社东海理化电机制作所 | Electronic key system and electronic key |
| CN102649420A (en) * | 2011-02-25 | 2012-08-29 | 株式会社东海理化电机制作所 | Electronic key system |
Cited By (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105899413A (en) * | 2013-12-03 | 2016-08-24 | 胡夫北美汽车零件制造股份有限公司 | Vehicle control system to prevent relay attack |
| CN105899413B (en) * | 2013-12-03 | 2018-04-10 | 胡夫北美汽车零件制造股份有限公司 | Prevent the vehicle control system of relay attack |
| CN104727658A (en) * | 2015-01-26 | 2015-06-24 | 湖南银宝科技发展有限公司 | Intelligent lock, intelligent key and control method and device thereof |
| CN105915487A (en) * | 2015-10-21 | 2016-08-31 | 乐卡汽车智能科技（北京）有限公司 | Vehicle electronic key position determination method and equipment |
| CN108297826A (en) * | 2016-06-30 | 2018-07-20 | 福特全球技术公司 | On-demand driver's system and method |
| US11198415B2 (en) | 2016-06-30 | 2021-12-14 | Ford Global Technologies, Llc | On-demand driver systems and methods |
| CN106696900A (en) * | 2016-12-23 | 2017-05-24 | 上海汽车集团股份有限公司 | Plug-in hybrid vehicle anti-theft method based on encryption of gearbox |
| CN106696900B (en) * | 2016-12-23 | 2019-10-15 | 上海汽车集团股份有限公司 | The mixed dynamic anti-stealing method for vehicles of the plug-in of gearbox encryption |
| CN106828413B (en) * | 2017-02-22 | 2019-04-09 | 奇瑞汽车股份有限公司 | A kind of method and system of no key controller vehicle |
| CN106828413A (en) * | 2017-02-22 | 2017-06-13 | 奇瑞汽车股份有限公司 | A kind of method and system without key controller vehicle |
| CN109147097A (en) * | 2017-06-28 | 2019-01-04 | 重庆长安汽车股份有限公司 | Automobile no-key Verification System |
| CN107914665A (en) * | 2017-11-13 | 2018-04-17 | 南京汽车集团有限公司 | A kind of vehicle remote security remote-control system and remote control thereof |
| CN108001406A (en) * | 2017-12-25 | 2018-05-08 | 安徽天瑞电子科技有限公司 | Key system for electric vehicle |
| CN108109244A (en) * | 2017-12-28 | 2018-06-01 | 重庆集诚汽车电子有限责任公司 | A kind of PEPS controller PE blocking methods |
| WO2020020185A1 (en) * | 2018-07-23 | 2020-01-30 | Byton Limited | Systems and methods for a vehicle authenticating and enrolling a wireless device |
| US10911949B2 (en) | 2018-07-23 | 2021-02-02 | Byton Limited | Systems and methods for a vehicle authenticating and enrolling a wireless device |
| WO2020216131A1 (en) * | 2019-04-22 | 2020-10-29 | 华为技术有限公司 | Digital key-based identity authentication method, terminal apparatus, and medium |
| CN112009422A (en) * | 2019-05-31 | 2020-12-01 | 长城汽车股份有限公司 | Antenna system of PEPS system, key searching method, PEPS system and vehicle |
| CN112009422B (en) * | 2019-05-31 | 2022-06-28 | 长城汽车股份有限公司 | Antenna system of PEPS system, key searching method, PEPS system and vehicle |
| CN110310397A (en) * | 2019-06-24 | 2019-10-08 | 浙江新吉奥汽车有限公司 | A kind of pure electric automobile anti-theft key certification implementation method |
| CN112389366A (en) * | 2019-08-13 | 2021-02-23 | 南京天擎汽车电子有限公司 | Intelligent vehicle welcome method, device and system, readable storage medium and vehicle |
| CN112572343A (en) * | 2019-09-29 | 2021-03-30 | 长城汽车股份有限公司 | Anti-theft authentication method, device and storage medium applied to vehicle |
| CN112435372A (en) * | 2020-11-18 | 2021-03-02 | 铁将军汽车电子股份有限公司 | Keyless system and induction identification method thereof |
| CN112601205A (en) * | 2020-12-14 | 2021-04-02 | 高新兴物联科技有限公司 | Automobile intelligent key control method and control system |
| CN114333117A (en) * | 2021-12-30 | 2022-04-12 | 上海洛轲智能科技有限公司 | Radio frequency signal processing method, control terminal and computer readable storage medium |
| CN114333117B (en) * | 2021-12-30 | 2023-10-31 | 上海洛轲智能科技有限公司 | Radio frequency signal processing method, control terminal and computer readable storage medium |
| CN114973463A (en) * | 2022-06-08 | 2022-08-30 | 一汽奔腾轿车有限公司 | Communication method of automobile intelligent key |
| CN115107701A (en) * | 2022-07-26 | 2022-09-27 | 合众新能源汽车有限公司 | Automobile anti-theft authentication method and system |
| CN115107701B (en) * | 2022-07-26 | 2024-02-23 | 合众新能源汽车股份有限公司 | Automobile anti-theft authentication method and system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103178966B (en) | 2015-08-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103178966A (en) | KPD (key position detection) authentication method and system for vehicle and smart key and vehicle base station | |
| CN106330850B (en) | Security verification method based on biological characteristics, client and server | |
| CN104579649B (en) | Personal identification method and system | |
| CN103108327B (en) | Checking terminal unit and the method for subscriber card security association, Apparatus and system | |
| CN102946392A (en) | URL (Uniform Resource Locator) data encrypted transmission method and system | |
| CN103065168A (en) | Anti-fake method and system of radio frequency identification | |
| CN112257086B (en) | User privacy data protection method and electronic equipment | |
| CN106981003B (en) | Transaction method, device and system for virtual reality environment | |
| CN106550359B (en) | Authentication method and system for terminal and SIM card | |
| CN104426659A (en) | Dynamic password generating method, authentication method, authentication system and corresponding equipment | |
| CN107396364B (en) | Method and equipment for carrying out wireless connection pre-authorization on user equipment | |
| CN105636037A (en) | Authentication method and apparatus and electronic device | |
| Wang et al. | CSKES: A context-based secure keyless entry system | |
| CN112468294B (en) | Access method and authentication equipment of vehicle-mounted TBOX | |
| CN111508111A (en) | Method, equipment and storage medium for binding intelligent lock | |
| CN107026730B (en) | Data processing method, device and system | |
| CN201185082Y (en) | Mobile memory with high safety | |
| CN104796262A (en) | Data encryption method and terminal system | |
| CN106156549B (en) | application program authorization processing method and device | |
| CN113055182B (en) | Authentication method and system, terminal, server, computer system, and medium | |
| CN103034810A (en) | Detection method and detection device and electronic device | |
| CN105430649A (en) | Wifi access method and apparatus | |
| CN105227300A (en) | A kind of acquisition methods of key and system | |
| CN110717770B (en) | Anti-counterfeiting detection method, device, equipment and storage medium for vehicle parts | |
| CN110399706B (en) | Authorization authentication method, device and computer system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170103 Address after: The 300000 Tianjin economic and Technological Development Zone Xiqing District Saida international industrial city, C6-1, C6-7 Patentee after: Tianjin Jingwei Hengrun Technology Co., Ltd. Address before: 100101 Beijing city Chaoyang District Anxiang Beili 11 B block 8 layer Patentee before: Beijing Hirain Technologies Co., Ltd. |
|
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 300000 Tianjin Saida Xiqing economic and Technological Development Zone International Industrial City, C6-1, C6-2, C7-1 Patentee after: Tianjin Jingwei Hengrun Technology Co., Ltd. Address before: The 300000 Tianjin economic and Technological Development Zone Xiqing District Saida international industrial city, C6-1, C6-7 Patentee before: Tianjin Jingwei Hengrun Technology Co., Ltd. |
|
| CI01 | Publication of corrected invention patent application | ||
| CI01 | Publication of corrected invention patent application |
Correction item: Patentee|Address Correct: Tianjin Jingwei Hengrun Technology Co., Ltd.|300000 Tianjin Saida Xiqing economic and Technological Development Zone International Industrial City, C6-1, C6-2, C7-1 False: Tianjin Jingwei Hengrun Technology Co., Ltd.|300000 Tianjin Saida Xiqing economic and Technological Development Zone International Industrial City, C6-1, C6-2, C7-1 Number: 04 Volume: 33 |