CN104527576A - WIFI (Wireless Fidelity) type automobile starting control method and mobile terminal - Google Patents

WIFI (Wireless Fidelity) type automobile starting control method and mobile terminal Download PDF

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Publication number
CN104527576A
CN104527576A CN201410766692.0A CN201410766692A CN104527576A CN 104527576 A CN104527576 A CN 104527576A CN 201410766692 A CN201410766692 A CN 201410766692A CN 104527576 A CN104527576 A CN 104527576A
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China
Prior art keywords
mobile terminal
automobile
wifi
primary importance
coordinate
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CN201410766692.0A
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Chinese (zh)
Inventor
许林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing Branch of DFSK Motor Co Ltd
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Chongqing Branch of DFSK Motor Co Ltd
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Priority to CN201410766692.0A priority Critical patent/CN104527576A/en
Publication of CN104527576A publication Critical patent/CN104527576A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
    • B60R25/20—Means to switch the anti-theft system on or off
    • B60R25/24—Means to switch the anti-theft system on or off using electronic identifiers containing a code not memorised by the user
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10—Small scale networks; Flat hierarchical networks
    • H04W84/12—WLAN [Wireless Local Area Networks]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R2325/00—Indexing scheme relating to vehicle anti-theft devices
    • B60R2325/20—Communication devices for vehicle anti-theft devices
    • B60R2325/205—Mobile phones

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mechanical Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The invention provides a WIFI (Wireless Fidelity) type automobile starting control method. The method comprises the steps that a mobile terminal receives a request of starting an automobile; the mobile terminal acquires a first position coordinate and a second position coordinate, wherein a first locator arranged in an automobile acquires the first position coordinate through a satellite locating technique, and a second locator in the mobile terminal adopts a satellite locating technology to obtain the second position coordinate; the mobile terminal determines that the first position coordinate is identical to the second position coordinate; the mobile terminal transmits an instruction of starting the vehicle to a controller of the automobile through a WIFI connector prebuilt, and the instruction is used for controlling the doors of the automobile to be opened or closed and allowing ignition. The invention further provides a mobile terminal. According to the technical scheme provided by the embodiment of the invention, the no-key start of the automobile can be realized by the mobile terminal taken by a user, and an RFID (Radio Frequency Identification Devices) chip cannot be needed by the user, therefore the user feels more convenient.

Description

WIFI formula automobile starting control method and mobile terminal
Technical field
The present invention relates to automotive field, in particular to WIFI formula automobile starting control method and mobile terminal.
Background technology
Without key start up system (Keyless Start System), namely start vehicle and need not draw stubborn key, key is placed in Bao Nei or pocket, by getting off interior button or turn guide plate and can make engine ignition.
Current realizes without key start up system all adopts radio frequency identification (i.e. RFID) technology, namely the chip induction automatic switch start up system in the smart card carried with by car owner, that is, when driver enters vehicle, start up system can automatically terminate antitheft; When driver leaves vehicle, start up system automatic lock can enter anti-theft state.
This mode needs user to carry with RFID chip, such as the key of embedded RFID chip, therefore convenient not enough.
Summary of the invention
The object of the present invention is to provide WIFI formula automobile starting control method and mobile terminal, to solve the above problems.
According to the first aspect of disclosure embodiment, a kind of WIFI formula automobile starting control method is provided, comprises: mobile terminal receives the request starting automobile; Acquisition for mobile terminal primary importance coordinate and second place coordinate, wherein, the first steady arm be arranged in automobile adopts satellite positioning tech to obtain primary importance coordinate, and the second steady arm in mobile terminal adopts satellite positioning tech to obtain second place coordinate; Mobile terminal determination primary importance coordinate is identical with second place coordinate; Mobile terminal connects transmission by the WIFI set up in advance and starts the instruction of automobile to the controller of automobile, for controlling the car door of opening automobile and allowing igniting.
According to the second aspect of disclosure embodiment, a kind of mobile terminal is provided, comprises: receiver module, for receiving the request starting automobile; Acquisition module, for obtaining primary importance coordinate and second place coordinate, wherein, the first steady arm be arranged in automobile adopts satellite positioning tech to obtain primary importance coordinate, and the second steady arm in mobile terminal adopts satellite positioning tech to obtain second place coordinate; Determination module, for determining that primary importance coordinate is identical with second place coordinate; Sending module, connects transmission for the WIFI by setting up in advance and starts the instruction of automobile to the controller of automobile, for controlling the car door of opening automobile and allowing igniting.
The technical scheme that embodiment of the present disclosure provides just can realize starting without key of automobile by the mobile terminal that user carries with, and avoids user and also will carry with RFID chip, allow user feel convenient.
Should be understood that, it is only exemplary that above general description and details hereinafter describe, and can not limit the disclosure.
Accompanying drawing explanation
Fig. 1 is the diagram of circuit of the WIFI formula automobile starting control method according to an exemplary embodiment;
Fig. 2 is the schematic diagram of the mobile terminal according to an exemplary embodiment.
Accompanying drawing to be herein merged in specification sheets and to form the part of this specification sheets, shows embodiment according to the invention, and is used from specification sheets one and explains principle of the present invention.
Detailed description of the invention
Also by reference to the accompanying drawings the present invention is described in further detail below by specific embodiment.
Fig. 1 is the diagram of circuit of the WIFI formula automobile starting control method according to an exemplary embodiment, comprising:
Step S10, mobile terminal receives the request starting automobile;
Step S20, acquisition for mobile terminal primary importance coordinate and second place coordinate, wherein, the first steady arm be arranged in automobile adopts satellite positioning tech to obtain primary importance coordinate, and the second steady arm in mobile terminal adopts satellite positioning tech to obtain second place coordinate;
Step S30, mobile terminal determination primary importance coordinate is identical with second place coordinate;
Step S40, mobile terminal connects transmission by the WIFI set up in advance and starts the instruction of automobile to the controller of automobile, for controlling the car door of opening automobile and allowing igniting.
Whether the present embodiment by judging whether the position of mobile terminal overlaps with the position of automobile, thus determines car owner just on car side.Prior art without key start up system require user carry with RFID chip, and in the present embodiment, the mobile terminal carried with by user just can realize starting without key of automobile, avoids user and also will carry with RFID chip, allow user feel convenient.
In addition, be directly set up WIFI by mobile terminal with the controller of automobile to be connected to come transferring command in the present embodiment, and do not need the service by mobile communications network.This directly connects can save mobile communication expense, omits communication dialing time, and can strengthen communication security.And, lack the place of mobile communication signal in underground parking or mountain area etc., also can implement the present embodiment.Preferably, step S10 comprises: the screen of mobile terminal shows and starts automobile control; Start the clicking operation that automobile control receives user; Generate and start the request of automobile, and set up WIFI with controller and be connected.In the present embodiment, user can start without key start-up performance by direct control mobile phone, and the operation of this control can be realized by the touch on touch-screen, also can be mapped to the button of mobile terminal, and by pressing this button to realize, this is very convenient to user.
Preferably, step S10 comprises: the sensor be arranged in car door handle detects that handle is opened by user; Controller and mobile terminal are set up WIFI and are connected; Controller connects the request sending startup automobile to mobile terminal by WIFI.In the present embodiment, user is without the need to operating mobile terminal, but directly hand buggy grip handle just can start without key start-up performance, and operation becomes convenient.
Preferably, acquisition for mobile terminal primary importance coordinate comprises: at the end of parking of automobile, and the first steady arm in automobile adopts satellite positioning tech to obtain primary importance coordinate; Primary importance coordinate is sent to mobile terminal by WIFI connection by controller; Primary importance coordinate is saved in memory device by mobile terminal; Mobile terminal, after receiving the request starting automobile, reads primary importance coordinate from memory device.
After parking of automobile, position generally can not change, and the present embodiment utilizes invariant position, just obtains the primary importance of automobile when stopping, car owner is verified in conjunction with mobile terminal, thus avoid startup obtain the first coordinate temporarily, which reduce run up time, very convenient startup automobile.
Preferably, acquisition for mobile terminal primary importance coordinate comprises: mobile terminal, after receiving the request starting automobile, is connected by WIFI, and instruction control unit the first steady arm controlled in automobile adopts satellite positioning tech to obtain primary importance coordinate; Primary importance coordinate is sent to mobile terminal by WIFI connection by controller in real time.
Preferably, WIFI connects for encryption WIFI connects.Consider that WIFI connects and belong to wireless network, likely meet with malicious intrusions, and this preferred embodiment is encrypted to WIFI connection, so improve safety, avoids vehicle to be occupied by malicious person.
Preferably, the encrypting and decrypting process of encrypting WIFI connection is as follows:
Encryption: c i = m i ⊕ k i ;
Deciphering: m i = c i ⊕ k i ;
Wherein, c ithe ciphertext after encryption, m ithe plaintext during mobile terminal communicates with the carrying out of controller, k ikey stream, it is step-by-step xor operation.
This encrypting and decrypting process is fairly simple, but safety is very high, realizes easily via software programming.
Preferably, the sequence of real numbers adopting chaotic maps to generate obtains k through binary sequence conversion or bit sequence conversion i.This encrypting and decrypting process is fairly simple, but safety is very high, realizes easily via software programming.
Preferably, the ciphering process encrypting WIFI connection comprises:
Plaintext in being communicated with the carrying out of described controller by described mobile terminal is divided into the block B of n 128 i;
Adopt the safe key r that two initial 0and k 0set up with trust center and communicate;
Adopt following formula from r 0and k 0start, in sending node and receiving node, generate cipher key list r respectively iand k i:
r i＝ECC enc(TCL,r i-1) 0<i≤n
k i＝ECC enc(TCL,k i-1) 0<i≤n
Wherein, ECC enc() represents elliptic curve, uses the link key TCL of described trust center;
Utilize Hash function f () to r iand k igenerate link key K ias follows:
K i＝f(k i,r n-i+1) 1≤i≤n；
Adopt K ito block B iencryption generating ciphertext C ias follows:
C i＝AES Ki(B i) 0<i≤n；
Wherein, AES () is AES encryption algorithm.
Preferably, decrypting process comprises:
B i＝AES Ki(C i) 0<i≤n；
By the block B of n 128 ipiece together described mobile terminal communicate with the carrying out of described controller in plaintext.This preferred embodiment achieve a kind of in conjunction with ECC and AES encryption algorithm jointly to the multiple secret key cryptographic algorithm that data are encrypted, newly-designed algorithm strengthens the intensity of communication data in system safety, integraty and defence Replay Attack.
The algorithm that contriver uses MATLAB software and C language to design the present embodiment and scheme have carried out simulation analysis, obtain more satisfactory result, the connection probability of encryption key reaches 100%, system storage expense has had a certain amount of minimizing, calculate and decrease 5% in the LEAP scheme of communication overhead than routine, encryption times reduces 7.4% than AES encryption algorithm, decryption time decreases 13.7%, when encrypting identical 100 byte data, newly-designed algorithm shows higher loading and unloading capacity, encryption throughput ratio AES encryption algorithm increases 8%, deciphering loading and unloading capacity increases 15%.
Fig. 2 shows the schematic diagram of the mobile terminal according to the embodiment of the present invention, comprising:
Receiver module 10, for receiving the request starting automobile;
Acquisition module 20, for obtaining primary importance coordinate and second place coordinate, wherein, the first steady arm be arranged in automobile adopts satellite positioning tech to obtain primary importance coordinate, and the second steady arm in mobile terminal adopts satellite positioning tech to obtain second place coordinate;
Determination module 30, for determining that primary importance coordinate is identical with second place coordinate;
Sending module 40, for sending the instruction of startup automobile to the controller of automobile, for controlling the car door of opening automobile and allowing igniting.
Whether the present embodiment by judging whether the position of mobile terminal overlaps with the position of automobile, thus determines car owner just on car side.Prior art without key start up system require user carry with RFID chip, and in the present embodiment, the mobile terminal carried with by user just can realize starting without key of automobile, avoids user and also will carry with RFID chip, allow user feel convenient.
Preferably, receiver module 10 comprises: display module, starts automobile control for showing on the screen of the mobile terminal; Clicking module, receiving the clicking operation of user for starting automobile control; Request module, for generating the request starting automobile, and communication module, be connected for setting up WIFI with controller.In the present embodiment, user can start without key start-up performance by direct control mobile phone, and the operation of this control can be realized by the touch on touch-screen, also can be mapped to the button of mobile terminal, and by pressing this button to realize, this is very convenient to user.
Preferably, receiver module 10 comprises: detection module, detects that handle is opened by user for the sensor be arranged in car door handle; Communication module, sets up WIFI for controller and mobile terminal and is connected; Request module, connects the request sending startup automobile to mobile terminal by WIFI for controller.In the present embodiment, user is without the need to operating mobile terminal, but directly hand buggy grip handle just can start without key start-up performance, and operation becomes convenient.
Preferably, WIFI connects for encryption WIFI connects.Consider that communication network belongs to public network, likely meet with malicious intrusions, and this preferred embodiment is encrypted WIFI connection, so improve safety, avoids vehicle to be occupied by malicious person.
Preferably, this device comprises:
Encrypting module, for performing:
Deciphering module, for performing:
Wherein, c ithe ciphertext after encryption, m ithe plaintext during mobile terminal communicates with the carrying out of controller, k ikey stream, it is step-by-step xor operation.
This encrypting and decrypting process is fairly simple, but safety is very high, realizes easily via software programming.
Preferably, the sequence of real numbers adopting chaotic maps to generate obtains k through binary sequence conversion or bit sequence conversion i.This encrypting and decrypting process is fairly simple, but safety is very high, realizes easily via software programming.
Preferably, encrypting module comprises for execution:
Plaintext in being communicated with the carrying out of described controller by described mobile terminal is divided into the block B of n 128 i;
Adopt the safe key r that two initial 0and k 0set up with trust center and communicate;
Adopt following formula from r 0and k 0start, in sending node and receiving node, generate cipher key list r respectively iand k i:
r i＝ECC enc(TCL,r i-1) 0<i≤n
k i＝ECC enc(TCL,k i-1) 0<i≤n
Wherein, ECC enc() represents elliptic curve, uses the link key TCL of described trust center;
Utilize Hash function f () to r iand k igenerate link key K ias follows:
K i＝f(k i,r n-i+1) 1≤i≤n；
Adopt K ito block B iencryption generating ciphertext C ias follows:
C i＝AES Ki(B i) 0<i≤n；
Wherein, AES () is AES encryption algorithm.
Preferably, deciphering module comprises for execution:
B i＝AES Ki(C i) 0<i≤n；
By the block B of n 128 ipiece together described mobile terminal communicate with the carrying out of described controller in plaintext.
This preferred embodiment achieve a kind of in conjunction with ECC and AES encryption algorithm jointly to the multiple secret key cryptographic algorithm that data are encrypted, newly-designed algorithm strengthens the intensity of communication data in system safety, integraty and defence Replay Attack.
One of ordinary skill in the art will appreciate that all or part of process in above-described embodiment method is that the hardware that can carry out instruction relevant by program completes, described program can be stored in a kind of computer-readable recording medium.
One of ordinary skill in the art will appreciate that all or part of process in said method embodiment can be completed by the hardware that programmed instruction is relevant, aforesaid program can be stored in a kind of computer read/write memory medium, this program is when performing, performs and comprise the step of preceding method embodiment, and aforesaid storage medium comprises: ROM, RAM, magnetic disc or CD etc. various can be program code stored medium.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (10)

1. a WIFI formula automobile starting control method, is characterized in that, comprising:
Mobile terminal receives the request starting automobile;
Described acquisition for mobile terminal primary importance coordinate and second place coordinate, wherein, the first steady arm be arranged in described automobile adopts satellite positioning tech to obtain described primary importance coordinate, and the second steady arm in described mobile terminal adopts satellite positioning tech to obtain described second place coordinate;
Described mobile terminal determines that described primary importance coordinate is identical with described second place coordinate;
Described mobile terminal connects transmission by the WIFI set up in advance and starts the instruction of automobile to the controller of described automobile, for controlling car door and the permission igniting of opening described automobile.
2. method according to claim 1, is characterized in that, mobile terminal receives the request starting automobile and comprises:
The screen of described mobile terminal shows and starts automobile control;
Described startup automobile control receives the clicking operation of user;
Generate the request of described startup automobile, and set up described WIFI with described controller and be connected.
3. method according to claim 1, is characterized in that, mobile terminal receives the request starting automobile and comprises:
The sensor be arranged in described car door handle detects that described handle is opened by user;
Described controller and described mobile terminal are set up described WIFI and are connected;
Described controller connects the request sending described startup automobile to described mobile terminal by described WIFI.
4. according to the method in claim 2 or 3, it is characterized in that, described in described acquisition for mobile terminal, primary importance coordinate comprises:
At the end of described parking of automobile, the first steady arm in described automobile adopts satellite positioning tech to obtain described primary importance coordinate;
Described primary importance coordinate is sent to described mobile terminal by described WIFI connection by described controller;
Described primary importance coordinate is saved in memory device by described mobile terminal;
Described mobile terminal, after the request receiving described startup automobile, reads described primary importance coordinate from described memory device.
5. according to the method in claim 2 or 3, it is characterized in that, described in described acquisition for mobile terminal, primary importance coordinate comprises:
Described mobile terminal, after the request receiving described startup automobile, is connected by described WIFI, and the first steady arm controlled in described automobile of controller described in instruction adopts satellite positioning tech to obtain described primary importance coordinate;
Described primary importance coordinate is sent to described mobile terminal by described WIFI connection by described controller in real time.
6. method according to claim 1, is characterized in that, described WIFI connects for encryption WIFI connects.
7. method according to claim 6, is characterized in that, the encrypting and decrypting process that described encryption WIFI connects is as follows:
Encryption: c i = m i &CirclePlus; k i ;
Deciphering: m i = c i &CirclePlus; k i ;
Wherein, c ithe ciphertext after encryption, m ithe plaintext during described mobile terminal communicates with the carrying out of described controller, k ikey stream, it is step-by-step xor operation.
8. method according to claim 7, is characterized in that, the sequence of real numbers adopting chaotic maps to generate obtains k through binary sequence conversion or bit sequence conversion i.
9. method according to claim 7, is characterized in that, the encrypting and decrypting process that described encryption WIFI connects is as follows:
Encryption comprises:
Plaintext in being communicated with the carrying out of described controller by described mobile terminal is divided into the block B of n 128 i;
Adopt the safe key r that two initial 0and k 0set up with trust center and communicate;
Adopt following formula from r 0and k 0start, in sending node and receiving node, generate cipher key list r respectively iand k i:
r i＝ECC enc(TCL,r i-1)0<i≤n
k i＝ECC enc(TCL,ki-1)0<i≤n
Wherein, ECC enc() represents elliptic curve, uses the link key TCL of described trust center;
Utilize Hash function f () to r iand k igenerate link key K ias follows:
K i＝f(k i，r n-i+1)1≤i≤n；
Adopt K ito block B iencryption generating ciphertext C ias follows:
C i＝AES Ki(B i)0<i≤n；
Wherein, AES () is AES encryption algorithm;
Deciphering comprises:
B i＝AES Ki(C i)0<i≤n；
By the block B of n 128 ipiece together described mobile terminal communicate with the carrying out of described controller in plaintext.
10. a mobile terminal, is characterized in that, comprising:
Receiver module, for receiving the request starting automobile;
Acquisition module, for obtaining primary importance coordinate and second place coordinate, wherein, the first steady arm be arranged in described automobile adopts satellite positioning tech to obtain described primary importance coordinate, and the second steady arm in described mobile terminal adopts satellite positioning tech to obtain described second place coordinate;
Determination module, for determining that described primary importance coordinate is identical with described second place coordinate;
Sending module, connects transmission for the WIFI by setting up in advance and starts the instruction of automobile to the controller of described automobile, for controlling car door and the permission igniting of opening described automobile.
CN201410766692.0A 2014-08-22 2014-12-12 WIFI (Wireless Fidelity) type automobile starting control method and mobile terminal Pending CN104527576A (en)

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CN201410419124 2014-08-22
CN2014104191243 2014-08-22
CN201410766692.0A CN104527576A (en) 2014-08-22 2014-12-12 WIFI (Wireless Fidelity) type automobile starting control method and mobile terminal

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CN109830091A (en) * 2019-01-25 2019-05-31 南京北斗城际在线信息股份有限公司北京分公司 A method of realizing that clapping window moves vehicle by NB-IoT technology
CN115665698A (en) * 2022-12-27 2023-01-31 北京集度科技有限公司 Method and equipment for realizing digital key
CN115665698B (en) * 2022-12-27 2023-04-11 北京集度科技有限公司 Method and equipment for realizing digital key

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Application publication date: 20150422