CN114187682A - Method for increasing vehicle use safety based on Bluetooth signal transmission - Google Patents
Method for increasing vehicle use safety based on Bluetooth signal transmission Download PDFInfo
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- CN114187682A CN114187682A CN202111451068.8A CN202111451068A CN114187682A CN 114187682 A CN114187682 A CN 114187682A CN 202111451068 A CN202111451068 A CN 202111451068A CN 114187682 A CN114187682 A CN 114187682A
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- 238000000034 method Methods 0.000 title claims abstract description 40
- 230000008054 signal transmission Effects 0.000 title claims abstract description 23
- 238000013475 authorization Methods 0.000 claims abstract description 80
- 230000005540 biological transmission Effects 0.000 claims abstract description 13
- 238000012544 monitoring process Methods 0.000 claims abstract description 4
- 238000004891 communication Methods 0.000 claims description 6
- 238000012790 confirmation Methods 0.000 claims description 6
- 238000010200 validation analysis Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 2
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00309—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/03—Protecting confidentiality, e.g. by encryption
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/08—Access security
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
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- Lock And Its Accessories (AREA)
Abstract
The invention belongs to an enhancement method, and particularly relates to a method for increasing the use safety of a vehicle based on Bluetooth signal transmission. A method for increasing vehicle safety in use based on bluetooth signal transmission, comprising the steps of: step 1: the owner mobile phone acquires the authority; step 2: authorization of the use right; and step 3: and (5) monitoring. The invention has the following remarkable effects: by utilizing the Bluetooth data transmission, the control of the mobile phone to the vehicle is realized, and even the re-permission function of the mobile phone to the use right can be realized, so that the use mode of the vehicle is expanded, and the use efficiency of the vehicle is improved.
Description
Technical Field
The invention belongs to an enhancement method, and particularly relates to a method for increasing the use safety of a vehicle based on Bluetooth signal transmission.
Background
Wireless communication is an important information transmission means in modern society, and the bluetooth technology is one of the important means in the wireless communication technology. Bluetooth is a short-distance wireless communication technology, and can realize data exchange between fixed equipment and mobile equipment. BR/EDR bluetooth before bluetooth 3.0 is generally referred to as legacy bluetooth, and LE bluetooth under the bluetooth 5.0 specification is referred to as bluetooth low energy. The bluetooth 5.0 standard includes a conventional bluetooth module portion and a bluetooth low energy module portion, which is a dual mode standard. The low-power-consumption Bluetooth is developed based on the traditional Bluetooth and is different from the traditional module, the most important characteristic is that the cost and the power consumption are reduced, and the real-time performance requirement is higher when the Bluetooth is applied.
One of the usage scenarios of bluetooth signals is the identification and allocation of vehicle usage rights. In the prior art, the use right of the vehicle is distinguished and distributed based on the vehicle key. Specifically, the owner of the vehicle typically needs to hold a physical form of the vehicle key in which the bluetooth transmitting device is present. Before the vehicle leaves the factory, the manufacturer pairs and encrypts the Bluetooth equipment of the vehicle key and the Bluetooth equipment of the vehicle, so that the vehicle key and the vehicle can be in one-to-one correspondence. At the moment, when the owner holds the vehicle key and walks to a distance near the vehicle (the distance is different according to different Bluetooth signal transmission distances), the vehicle can carry out a series of operations such as unlocking and locking of the vehicle according to the operation of the owner on the vehicle key.
The technical scheme has the defects that the vehicle can only be matched with the unique corresponding vehicle key, and if the vehicle owner carelessly loses the vehicle key or does not carry the vehicle key on the body in an urgent situation, the vehicle cannot be used.
In addition, a vehicle as a transportation means may be lent to a friend or a relatives by a vehicle owner. In this case, the owner of the vehicle does not necessarily want to give the user the right to use the vehicle at will, but only wants the user to be able to travel along a predetermined route, so that the safety of the vehicle can be ensured to the maximum extent.
The above situation can not be realized by the prior art.
Disclosure of Invention
Aiming at the prior art, the invention provides a method for increasing the use safety of a vehicle based on Bluetooth signal transmission.
The invention is realized by the following steps: a method for increasing vehicle safety in use based on bluetooth signal transmission, comprising the steps of:
step 1: the owner mobile phone acquires the authority;
step 2: authorization of the use right;
and step 3: and (5) monitoring.
The method for increasing the vehicle safety based on the bluetooth signal transmission is described above, wherein the step 1 includes
The vehicle owner mobile phone obtains the vehicle use authority through the unique identification code of the Bluetooth key, each vehicle key with the Bluetooth function has a unique identification code, the unique identification code is used for uniquely binding the vehicle key and the vehicle for use, the vehicle owner obtains the unique identification code from the related documents purchased by the vehicle,
specifically, the method comprises the following steps:
step 1.1: establishing a connection
The owner mobile phone establishes connection with the vehicle Bluetooth, the connection is realized by using a vehicle Bluetooth protocol,
step 1.2: identification code recognition
By inputting the identification code, the mobile phone of the vehicle owner acquires the use right of the vehicle, the acquired use right is the highest use right of the vehicle, namely the administrator right including the vehicle locking, unlocking, driving, permission and other rights,
step 1.3: information recording
The mobile phone information of the vehicle owner is recorded in the vehicle-mounted computer, the recorded mobile phone information of the vehicle owner is the only information,
after the information is recorded, when the owner mobile phone is connected with the vehicle again later, the highest management authority of the vehicle can be obtained by directly verifying the owner mobile phone information without verifying the identification code information.
A method for increasing the safety of a vehicle in use based on bluetooth signal transmission as described above, wherein said step 1.2 comprises the following,
the safety performance of the mobile phone of the owner in obtaining the vehicle right of use is ensured in a more complicated way, after the vehicle is basically connected with the mobile phone, after the mobile phone sends a request for obtaining the highest vehicle right of use to the vehicle, the vehicle gets in contact with the dealer through the network, and the information of the buyer purchasing the vehicle is obtained from the dealer, wherein the information of the buyer purchasing the vehicle comprises the unique identification information of the buyer and the unique identification information of the intelligent terminal used by the buyer for obtaining the vehicle right of use,
after the vehicle acquires the relevant information of the vehicle owner from the dealer, the information is compared with the mobile phone information connected to the vehicle, if the information is consistent with the mobile phone information, the highest use authority of the vehicle is given to the mobile phone, otherwise, the mobile phone information is recorded and remotely transmitted to the dealer.
A method for increasing the safety of a vehicle in use based on bluetooth signal transmission as described above, wherein said step 1.2 comprises the following,
the vehicle only sends the received unique identification information of the mobile phone to the dealer, the dealer compares the information and sends the comparison result to the vehicle, and the vehicle makes a decision whether to give the highest use authority of the vehicle to the mobile phone according to the information sent by the dealer.
A method for increasing vehicle safety in use based on bluetooth signal transmission as described above, wherein said step 2 comprises,
when the owner of the vehicle needs to authorize other people to use the vehicle, the method comprises the following steps,
the owner mobile phone is called as a mobile phone a, the authorized user mobile phone is called as a mobile phone b,
step 2.1: mobile phone connection
The handset a establishes a connection with the handset b,
step 2.2: mobile phone authorization
The mobile phone a authorizes the mobile phone b, the authorization content comprises authorization authority, authorization time, authorization mobile phone information,
corresponding keys are added through the prior art when the mobile phone is authorized, so that the safety of the whole communication is increased,
step 2.3: mobile phone authorization feedback
The mobile phone b feeds back the authorization information to the mobile phone a, the authorization information comprises complete authorization content and the unique information of the mobile phone b,
step 2.4: vehicle authorization
After the mobile phone a acquires the feedback information of the mobile phone b, the authorization content and the unique information of the mobile phone b are sent to the vehicle for vehicle authorization,
step 2.5: vehicle authorization validation
After the vehicle receives the authorization information of the mobile phone a, the vehicle waits for the Bluetooth connection of the mobile phone b, after the Bluetooth connection of the mobile phone b and the vehicle is completed, the mobile phone b sends the unique information of the vehicle to the vehicle, the vehicle compares the unique information of the mobile phone b received from the mobile phone a with the unique information of the mobile phone b received from the mobile phone b, if the two information are consistent, the mobile phone b is confirmed to be an authorized user, and the use permission of the mobile phone b is set according to the authorization range sent by the mobile phone a; if the two messages are inconsistent, the inconsistent messages are fed back to the mobile phone a, and the next step of instruction of the mobile phone a is waited,
step 2.6: vehicle authorization feedback
The vehicle respectively sends successful authorization information to the mobile phone a and the mobile phone b, the information comprises authorization mobile phone information, authorized mobile phone information and authorized content,
step 2.7: vehicle authorization feedback validation
After receiving the information in the step 2.6, the mobile phone a needs to confirm, and after the mobile phone a confirms, the mobile phone a sends confirmation information to the vehicle, so that the vehicle authorization is effective, and if the mobile phone a does not confirm, that is, the mobile phone a does not send confirmation information to the vehicle, the vehicle authorization is not effective.
A method for increasing vehicle safety in use based on bluetooth signal transmission as described above, wherein said step 2 comprises,
in order to increase the security of signal transmission, encryption is performed in all transmission processes.
The method for increasing the use safety of the vehicle based on the Bluetooth signal transmission is characterized in that the step 2 comprises the step of encrypting and decrypting the transmission by taking the name of the vehicle owner, the identity card number and the time of purchasing the vehicle as the secret keys.
The method for increasing the use safety of the vehicle based on the Bluetooth signal transmission comprises the following steps that if the vehicle cannot be directly networked, the mobile phone a gives the temporary authorization to the mobile phone b, the authorization content is the network safety of the vehicle trusting the mobile phone b, and after the vehicle is connected with the mobile phone b, the vehicle can remotely interact with the mobile phone a through the network of the mobile phone b, so that the authorization steps of 2.1-2.7 are completed.
A method for increasing vehicle safety in use based on bluetooth signal transmission as described above, wherein said step 3 comprises,
in the time range that the mobile phone b is authorized to be used, the vehicle-mounted computer feeds back the vehicle position information to the mobile phone a every time,
each period of time mentioned above refers to a time range preset in advance,
the mobile phone a can unilaterally stop the authorization of the mobile phone b in any time period when the vehicle stops moving.
The invention has the following remarkable effects: by utilizing the Bluetooth data transmission, the control of the mobile phone to the vehicle is realized, and even the re-permission function of the mobile phone to the use right can be realized, so that the use mode of the vehicle is expanded, and the use efficiency of the vehicle is improved.
Detailed Description
A method for increasing vehicle safety in use based on bluetooth signal transmission, comprising the steps of:
step 1: vehicle owner mobile phone obtaining authority
The vehicle owner mobile phone obtains the vehicle use permission through the unique identification code of the Bluetooth key. Each vehicle key with the Bluetooth function has a unique identification code, and the unique identification code is used for uniquely binding the vehicle key and a vehicle. The owner of the vehicle may obtain the unique identification code from the associated document purchased by the vehicle.
Specifically, the method comprises the following steps:
step 1.1: establishing a connection
The owner mobile phone establishes connection with the vehicle Bluetooth, and the connection is realized by using a vehicle-mounted Bluetooth protocol.
Step 1.2: identification code recognition
Through the mode of inputting the identification code, the mobile phone of the vehicle owner can acquire the use right of the vehicle. The right of use obtained at this time is the highest right of use of the vehicle (i.e. administrator rights), including the vehicle locking, unlocking, driving, permission and other rights.
Of course, the step can also ensure the safety performance of the mobile phone of the owner when the owner obtains the use right of the vehicle in a more complex mode. For example, after the vehicle establishes a basic connection with a mobile phone (at this time, it is not determined whether the mobile phone is the mobile phone of the owner of the vehicle), and after the mobile phone sends a request for obtaining the highest use permission of the vehicle to the vehicle, the vehicle gets in contact with a dealer through a network (no matter whether the vehicle is a new vehicle or a used vehicle, since China implements a license plate management mode, a regular dealer should participate in a sales link), and information of a buyer purchasing the vehicle is obtained from the dealer. The information of the buyer purchasing the vehicle includes the unique identification information of the buyer, such as name, identification number, address, phone, etc., and the unique identification information of the intelligent terminal used by the buyer to obtain the vehicle usage right, such as a smart phone or other intelligent devices.
In the present application, it is assumed that the smart device used by the vehicle owner to control the vehicle is a mobile phone, and therefore the mobile phone is referred to as the smart device in the following description, but a person skilled in the art can extend the smart device to any other device with an operation function, such as a pad, a computer, or other smart devices.
After the vehicle acquires the relevant information of the vehicle owner from the dealer, the information is compared with the mobile phone information connected to the vehicle, if the information is consistent with the mobile phone information, the highest use authority of the vehicle is given to the mobile phone, otherwise, the mobile phone information is recorded and remotely transmitted to the dealer.
Of course, if the security of the electronic device of the vehicle is concerned, the method can be adjusted in the present part such that the vehicle only sends the received unique identification information of the mobile phone to the dealer, the dealer compares the information, and sends the comparison result to the vehicle, and the vehicle makes a decision whether to give the highest usage right of the vehicle to the mobile phone according to the information sent by the dealer.
Step 1.3: information recording
And recording the mobile phone information of the vehicle owner in the vehicle-mounted computer. The recorded owner mobile phone information should be unique information, such as one or a combination of International Mobile Subscriber Identity (IMSI), International Mobile Equipment Identity (IMEI), and Electronic Serial Number (ESN), which can be used as the unique information of the owner mobile phone.
After the information is recorded, when the owner mobile phone is connected with the vehicle again later, the highest management authority of the vehicle can be obtained by directly verifying the owner mobile phone information without verifying the identification code information.
Step 2: authorization of usage rights
When the owner needs to authorize other people to use the vehicle, the method is realized through the following steps.
For convenience of description, the mobile phone of the owner is called a mobile phone a, and the mobile phone of the authorized user is called a mobile phone b.
Step 2.1: mobile phone connection
The mobile phone a and the mobile phone b are connected, the mobile phone connection can be through mobile operator network connection, WiFi connection or even through a mobile phone hotspot, and only two mobile phones can transmit information to each other.
Step 2.2: mobile phone authorization
The mobile phone a authorizes the mobile phone b, and the authorization content comprises authorization authority (such as locking, unlocking, trunk lock, mailbox lock, charging lock and the like), authorization time (such as vehicle use time range), authorization mobile phone information (namely the information of the mobile phone a) and the like.
When the mobile phone is authorized, the corresponding key can be added through the prior art, so that the safety of the whole communication is increased.
The key may be any encryption scheme used in the art, such as a key form of a combination of a public key and a private key.
Step 2.3: mobile phone authorization feedback
And the mobile phone b feeds back the authorization information to the mobile phone a, wherein the authorization information comprises complete authorization content and the unique information of the mobile phone b.
Similar to the previous steps, one or a combination of International Mobile Subscriber Identity (IMSI), International Mobile Equipment Identity (IMEI), Electronic Serial Number (ESN) may be used as the unique information of the mobile phone b.
Step 2.4: vehicle authorization
And after the mobile phone a acquires the feedback information of the mobile phone b, the authorization content and the unique information of the mobile phone b are sent to the vehicle for vehicle authorization.
Step 2.5: vehicle authorization validation
And after the vehicle receives the authorization information of the mobile phone a, the vehicle waits for the Bluetooth connection of the mobile phone b. After the mobile phone b is connected with the vehicle Bluetooth, the mobile phone b sends the unique information of the mobile phone b to the vehicle. The vehicle compares the unique information of the mobile phone b received from the mobile phone a with the unique information of the mobile phone b received from the mobile phone b, if the two information are consistent, the mobile phone b is confirmed to be an authorized user, and the use permission of the mobile phone b is set according to the authorization range sent by the mobile phone a; and if the two messages are inconsistent, feeding back the inconsistent information to the mobile phone a, and waiting for a next instruction of the mobile phone a.
Step 2.6: vehicle authorization feedback
The vehicle respectively sends authorization success information to the mobile phone a and the mobile phone b, wherein the information comprises authorization mobile phone information, authorized mobile phone information and authorized content (including authority, time and the like).
Step 2.7: vehicle authorization feedback validation
After receiving the information in the step 2.6, the mobile phone a needs to confirm, and after the mobile phone a confirms, the mobile phone a sends confirmation information to the vehicle, so that the vehicle authorization is effective, and if the mobile phone a does not confirm, that is, the mobile phone a does not send confirmation information to the vehicle, the vehicle authorization is not effective.
In order to increase the security of signal transmission, encryption may be performed in all transmission processes, for example, encryption may be performed when data transmission is performed between the mobile phone a and the mobile phone b, and the encryption manner may be any existing manner, for example, a manner of combining a public key and a private key, a manner of specifying a secret key, a manner of hash algorithm, or the manner of the present application. The application uses the owner name, the ID card number and the purchasing time as the secret key to encrypt and decrypt the transmission. The specific key forming mode can be that the name, the identification number and the purchasing time are arranged in sequence to form a key, the name, the identification number and the purchasing time are changed into codes of a specific system and then are mixed to be operated to form the key, and in short, a person skilled in the art can make a specific key according to the name, the identification number and the purchasing time.
Other similar transmission processes can also be used for encryption and decryption, such as mutual transmission of information between the mobile phone a and the vehicle and mutual transmission of information between the mobile phone b and the vehicle.
Additionally, the above is for the case where the vehicles can be networked directly. In some cases, vehicles cannot be networked directly. At this time, if the mobile phone a is not within the physical distance range of the vehicle bluetooth, the authorization situation may not be completed. At this time, the mobile phone a can give a temporary authorization to the mobile phone b, the authorization content is that the vehicle trusts the network security of the mobile phone b, and after the vehicle is connected with the mobile phone b, the vehicle can remotely interact information with the mobile phone a through the network of the mobile phone b. Thereby completing the authorization steps 2.1-2.7 above.
And step 3: monitoring
And in the time range that the mobile phone b is authorized to be used, the vehicle-mounted computer feeds back the vehicle position information to the mobile phone a every time.
The time interval refers to a time range preset in advance, and can be 5 minutes, half an hour, 1 hour, or 24 hours.
The mobile phone a can unilaterally stop the authorization of the mobile phone b in any time period when the vehicle stops moving.
Claims (9)
1. A method for increasing vehicle safety based on Bluetooth signal transmission is characterized by comprising the following steps:
step 1: the owner mobile phone acquires the authority;
step 2: authorization of the use right;
and step 3: and (5) monitoring.
2. The method of claim 1 for increasing vehicle safety based on bluetooth signal transmission, wherein: the step 1 comprises
The vehicle owner mobile phone obtains the vehicle use authority through the unique identification code of the Bluetooth key, each vehicle key with the Bluetooth function has a unique identification code, the unique identification code is used for uniquely binding the vehicle key and the vehicle for use, the vehicle owner obtains the unique identification code from the related documents purchased by the vehicle,
specifically, the method comprises the following steps:
step 1.1: establishing a connection
The owner mobile phone establishes connection with the vehicle Bluetooth, the connection is realized by using a vehicle Bluetooth protocol,
step 1.2: identification code recognition
By inputting the identification code, the mobile phone of the vehicle owner acquires the use right of the vehicle, the acquired use right is the highest use right of the vehicle, namely the administrator right including the vehicle locking, unlocking, driving, permission and other rights,
step 1.3: information recording
The mobile phone information of the vehicle owner is recorded in the vehicle-mounted computer, the recorded mobile phone information of the vehicle owner is the only information,
after the information is recorded, when the owner mobile phone is connected with the vehicle again later, the highest management authority of the vehicle can be obtained by directly verifying the owner mobile phone information without verifying the identification code information.
3. The method of claim 2, wherein the method comprises the steps of: said step 1.2 comprises the following,
the safety performance of the mobile phone of the owner in obtaining the vehicle right of use is ensured in a more complicated way, after the vehicle is basically connected with the mobile phone, after the mobile phone sends a request for obtaining the highest vehicle right of use to the vehicle, the vehicle gets in contact with the dealer through the network, and the information of the buyer purchasing the vehicle is obtained from the dealer, wherein the information of the buyer purchasing the vehicle comprises the unique identification information of the buyer and the unique identification information of the intelligent terminal used by the buyer for obtaining the vehicle right of use,
after the vehicle acquires the relevant information of the vehicle owner from the dealer, the information is compared with the mobile phone information connected to the vehicle, if the information is consistent with the mobile phone information, the highest use authority of the vehicle is given to the mobile phone, otherwise, the mobile phone information is recorded and remotely transmitted to the dealer.
4. The method of claim 2, wherein the method comprises the steps of: said step 1.2 comprises the following,
the vehicle only sends the received unique identification information of the mobile phone to the dealer, the dealer compares the information and sends the comparison result to the vehicle, and the vehicle makes a decision whether to give the highest use authority of the vehicle to the mobile phone according to the information sent by the dealer.
5. The method of claim 2, wherein the method comprises the steps of: the step 2 comprises the steps of (a) preparing,
when the owner of the vehicle needs to authorize other people to use the vehicle, the method comprises the following steps,
the owner mobile phone is called as a mobile phone a, the authorized user mobile phone is called as a mobile phone b,
step 2.1: mobile phone connection
The handset a establishes a connection with the handset b,
step 2.2: mobile phone authorization
The mobile phone a authorizes the mobile phone b, the authorization content comprises authorization authority, authorization time, authorization mobile phone information,
corresponding keys are added through the prior art when the mobile phone is authorized, so that the safety of the whole communication is increased,
step 2.3: mobile phone authorization feedback
The mobile phone b feeds back the authorization information to the mobile phone a, the authorization information comprises complete authorization content and the unique information of the mobile phone b,
step 2.4: vehicle authorization
After the mobile phone a acquires the feedback information of the mobile phone b, the authorization content and the unique information of the mobile phone b are sent to the vehicle for vehicle authorization,
step 2.5: vehicle authorization validation
After the vehicle receives the authorization information of the mobile phone a, the vehicle waits for the Bluetooth connection of the mobile phone b, after the Bluetooth connection of the mobile phone b and the vehicle is completed, the mobile phone b sends the unique information of the vehicle to the vehicle, the vehicle compares the unique information of the mobile phone b received from the mobile phone a with the unique information of the mobile phone b received from the mobile phone b, if the two information are consistent, the mobile phone b is confirmed to be an authorized user, and the use permission of the mobile phone b is set according to the authorization range sent by the mobile phone a; if the two messages are inconsistent, the inconsistent messages are fed back to the mobile phone a, and the next step of instruction of the mobile phone a is waited,
step 2.6: vehicle authorization feedback
The vehicle respectively sends successful authorization information to the mobile phone a and the mobile phone b, the information comprises authorization mobile phone information, authorized mobile phone information and authorized content,
step 2.7: vehicle authorization feedback validation
After receiving the information in the step 2.6, the mobile phone a needs to confirm, and after the mobile phone a confirms, the mobile phone a sends confirmation information to the vehicle, so that the vehicle authorization is effective, and if the mobile phone a does not confirm, that is, the mobile phone a does not send confirmation information to the vehicle, the vehicle authorization is not effective.
6. The method of claim 5 for increasing vehicle safety based on bluetooth signal transmission, wherein: the step 2 comprises the steps of (a) preparing,
in order to increase the security of signal transmission, encryption is performed in all transmission processes.
7. The method of claim 6, wherein the method comprises the steps of: and the step 2 comprises the steps of encrypting and decrypting the transmission by taking the name of the vehicle owner, the ID card number and the time of purchasing the vehicle as keys.
8. The method of claim 7, wherein the method comprises the steps of: step 2 includes that if the vehicle can not be directly networked, the mobile phone a gives a temporary authorization to the mobile phone b, the authorization content is that the vehicle trusts the network security of the mobile phone b, and after the vehicle is connected with the mobile phone b, the vehicle can remotely interact information with the mobile phone a through the network of the mobile phone b, so that the authorization steps 2.1-2.7 are completed.
9. The method of claim 2, wherein the method comprises the steps of: the step 3 comprises the steps of,
in the time range that the mobile phone b is authorized to be used, the vehicle-mounted computer feeds back the vehicle position information to the mobile phone a every time,
each period of time mentioned above refers to a time range preset in advance,
the mobile phone a can unilaterally stop the authorization of the mobile phone b in any time period when the vehicle stops moving.
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