CN109801423A - A kind of control method for vehicle and system based on bluetooth - Google Patents
A kind of control method for vehicle and system based on bluetooth Download PDFInfo
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- CN109801423A CN109801423A CN201910127892.4A CN201910127892A CN109801423A CN 109801423 A CN109801423 A CN 109801423A CN 201910127892 A CN201910127892 A CN 201910127892A CN 109801423 A CN109801423 A CN 109801423A
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- user equipment
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Abstract
Control method for vehicle and system disclosed by the invention based on bluetooth, persistently receive the Bluetooth connection request of user equipment sending by mobile unit, connection is established with user equipment and generates character string at random and the initial address of character string and length are sent to user equipment, according to the initial position of character string and length, corresponding character string is obtained from cipher table, server by utilizing des encryption algorithm encrypts character string, generate the first encrypted characters string, choose the character that digit is set in the first encrypted characters string, it generates the first encryption data and the first encryption data is sent to user equipment, mobile unit receives the character string checking request of the first encryption data of carrying of user equipment transmission, character string is encrypted using des encryption algorithm, generate the second encrypted characters string, it chooses in the second encrypted characters string and sets digit Character, generate the second encryption data, improve the safety with vehicle.
Description
Technical field
The present invention relates to technical field of vehicle control, and in particular to a kind of control method for vehicle and system based on bluetooth.
Background technique
In shared automobile timesharing charter business, user independently takes and returns the car, and when controlling vehicle, network side can be used
Formula or bluetooth approach control vehicle, and Bluetooth control vehicle is now that cell phone client directly controls vehicle, how to ensure bluetooth
It is that comparison is difficult with the safety of vehicle, so-called bluetooth security refers to that anti-technology cracks Bluetooth control with vehicle, prevents directly around peace
Full verifying directly controls vehicle.
The current bluetooth applications technology most common on the market is Bluetooth door lock, basic principle and Bluetooth control vehicle phase
Seemingly, but bluetooth security problem compares be difficult to resolve certainly always, and many bluetooths locks can be cracked by technological means, commonly cracks
Means substantially have:
(1) clear-text passwords is found
Many bluetooth locks are equipped with password, have but used plaintext transmission, as long as anyone has a simple bluetooth detector,
Such as Ubertooth, without spending too many energy that can obtain set password.
(2) replay signal
Although signal can have been carried out high strength encrypting, attacker is less likely to unlock signal content, but only that
The unlocking signal that you send is intercepted and is reset to lock, door can equally be opened.
(3) man-in-the-middle attack
Attacker is in the centre of your communication linkage, monitors all communications between user and equipment.To obtain institute
There is you to be sent to the order of equipment, such as lock instruction.
Summary of the invention
In view of the defects existing in the prior art, the embodiment of the invention provides a kind of control method for vehicle based on bluetooth and
System.
In a first aspect, the embodiment of the invention provides a kind of control method for vehicle based on bluetooth, this method comprises:
The Bluetooth connection request for persistently receiving user equipment sending, establishes connection with the user equipment and generates word at random
Symbol goes here and there and the initial address of the character string and length is sent to the user equipment；
The character string checking request for receiving the first encryption data of carrying of user equipment transmission, utilizes des encryption algorithm pair
The character string is encrypted, and the second encrypted characters string is generated；
The character for setting digit in the second encrypted characters string is chosen, the second encryption data is generated；
It verifies first encryption data and whether second encryption data is identical, if so, determining that this bluetooth connects
Bonding method simultaneously sends corresponding instruction to car door, by car door opening or latching.
Further, the Bluetooth connection request and authentication request that user equipment issues persistently are received, with the user
Equipment establishes connection
After the Bluetooth connection request for receiving user equipment sending, if not receiving user equipment hair within the set time
Authentication request out then disconnects this connection.
Second aspect, the control method for vehicle the embodiment of the invention provides another kind based on bluetooth, this method comprises:
Receive the initial position of the carrying character string of user equipment transmission and the cipher inquiry request of length, according to the word
Initial position and the length for according with string, obtain corresponding character string from cipher table；
The character string is encrypted using des encryption algorithm, generates the first encrypted characters string；
The character for setting digit in the first encrypted characters string is chosen, the first encryption data is generated and is added described first
Ciphertext data is sent to user equipment.
The third aspect, the embodiment of the invention provides a kind of vehicle control systems based on bluetooth, are suitable for mobile unit,
The system includes:
Transceiver module is established with the user equipment and is connected for persistently receiving the Bluetooth connection request of user equipment sending
It connects and generates at random character string and the initial address of the character string and length are sent to the user equipment；
Encrypting module, the character string checking request of the first encryption data of carrying for receiving user equipment transmission, utilizes
Des encryption algorithm encrypts the character string, generates the second encrypted characters string；
Module is chosen, for choosing the character for setting digit in the second encrypted characters string, generates the second encryption data；
Correction verification module, it is whether identical for verifying first encryption data and second encryption data, if so, really
This fixed bluetooth connection is legal and sends corresponding instruction to car door, by car door opening.
Further, the transceiver module includes switching units, then disconnects the bluetooth connection established between user equipment.
Fourth aspect, the vehicle control system the embodiment of the invention provides another kind based on bluetooth, the system include:
Module is obtained, the initial position of carrying character string and the cipher inquiry of length for receiving user equipment transmission ask
It asks, according to the initial position of the character string and length, corresponding character string is obtained from cipher table；
Encrypting module generates the first encrypted characters string for encrypting using des encryption algorithm to the character string；
Module is chosen, for choosing the character for setting digit in the first encrypted characters string, generates the first encryption data
And first encryption data is sent to user equipment.
Control method for vehicle and system provided in an embodiment of the present invention based on bluetooth has the advantages that
It can guarantee that the bluetooth connection password between user equipment and mobile unit is not cracked and intercepted and captured easily, improve
With the safety of vehicle.
Detailed description of the invention
Fig. 1 is the flow diagram of the control method for vehicle disclosed by the embodiments of the present invention based on bluetooth；
Fig. 2 is the structural schematic diagram of the vehicle control system disclosed by the embodiments of the present invention based on bluetooth；
Fig. 3 is the structural schematic diagram of another vehicle control system based on bluetooth disclosed by the embodiments of the present invention.
Specific embodiment
Specific introduce is made to the present invention below in conjunction with the drawings and specific embodiments.
As shown in Figure 1, the control method for vehicle provided in an embodiment of the present invention based on bluetooth the following steps are included:
S101, mobile unit persistently receive the Bluetooth connection request of user equipment sending, establish connection simultaneously with user equipment
It is random to generate character string.
Further, as a specific embodiment, user equipment requires to be based on to any control of mobile unit
Under the premise of establishing session with mobile unit, if user equipment is connect by 10 seconds with mobile unit, and without sending any body
Part checking request, mobile unit actively disconnect.It is received if repeatedly (be greater than 5 times) (in 3 minutes) in the mobile unit short time
To authentication request and unverified, hereafter refuse any connection request of the user equipment.If mobile unit is tired
It counts and repeatedly (10 times) receives same user equipment authentication request and unsanctioned, hereafter refuse any company of the user equipment
Connect request.
The initial address of character string and length are sent to user equipment by S102, mobile unit.
S103, server receives the initial position of carrying character string of user equipment transmission and the cipher inquiry of length is asked
It asks, according to the initial position of character string and length, corresponding character string is obtained from cipher table.
As a specific embodiment, the length of the character string is at least 64 bytes, preferably 256 bytes.
S104, server by utilizing des encryption algorithm encrypt the character string, generate the first encrypted characters string, choosing
The character for setting digit in the first encrypted characters string is taken, the first encryption data is generated and the first encryption data is sent to user sets
It is standby.
As a specific embodiment, preceding 8 characters in the first encrypted characters string are chosen as the first encryption data.
S105, mobile unit receive the character string checking request of the first encryption data of carrying of user equipment transmission, utilize
Des encryption algorithm encrypts character string, generates the second encrypted characters string, chooses and sets digit in the second encrypted characters string
Character generates the second encryption data.
As a specific embodiment, preceding 8 characters in the second encrypted characters string are chosen as the second encryption data.
S106, mobile unit verifies the first encryption data and whether the second encryption data is identical, if so, determining that this is blue
Tooth connection is legal and sends corresponding instruction to car door, by car door opening or latching.
As shown in Fig. 2, the vehicle control system provided in an embodiment of the present invention based on bluetooth includes:
Transceiver module is established with the user equipment and is connected for persistently receiving the Bluetooth connection request of user equipment sending
It connects and generates at random character string and the initial address of the character string and length are sent to the user equipment；
Encrypting module, the character string checking request of the first encryption data of carrying for receiving user equipment transmission, utilizes
Des encryption algorithm encrypts the character string, generates the second encrypted characters string；
Module is chosen, for choosing the character for setting digit in the second encrypted characters string, generates the second encryption data；
Correction verification module, it is whether identical for verifying first encryption data and second encryption data, if so, really
This fixed bluetooth connection is legal and sends corresponding instruction to car door, by car door opening.
Optionally, the transceiver module includes switching units, then disconnects the bluetooth connection established between user equipment.
As shown in figure 3, vehicle control system of the another kind based on bluetooth provided in an embodiment of the present invention includes:
Module is obtained, the initial position of carrying character string and the cipher inquiry of length for receiving user equipment transmission ask
It asks, according to the initial position of the character string and length, corresponding character string is obtained from cipher table；
Encrypting module generates the first encrypted characters string for encrypting using des encryption algorithm to the character string；
Module is chosen, for choosing the character for setting digit in the first encrypted characters string, generates the first encryption data
And first encryption data is sent to user equipment.
Control method for vehicle and system provided in an embodiment of the present invention based on bluetooth, persistently receives use by mobile unit
The Bluetooth connection request that family equipment issues establishes connection and at random generation character string with user equipment and by the starting point of character string
Location and length are sent to user equipment, server receive the carrying character string of user equipment transmission initial position and length it is close
Code inquiry request obtains corresponding character string, server by utilizing according to the initial position of character string and length from cipher table
Des encryption algorithm encrypts the character string, generates the first encrypted characters string, chooses in the first encrypted characters string and sets position
Several characters generates the first encryption data and the first encryption data is sent to user equipment, and mobile unit receives user equipment
The character string checking request of the first encryption data of carrying of transmission, encrypts character string using des encryption algorithm, generates the
Two encrypted characters strings choose the character for setting digit in the second encrypted characters string, generate the second encryption data, can guarantee user
Bluetooth connection password between equipment and mobile unit is not cracked and is intercepted and captured easily, and the safety with vehicle is improved.
It is understood that the correlated characteristic in the above method and device can be referred to mutually.In addition, in above-described embodiment
" first ", " second " etc. be and not represent the superiority and inferiority of each embodiment for distinguishing each embodiment.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
Algorithm and display are not inherently related to any particular computer, virtual system, or other device provided herein.
Various general-purpose systems can also be used together with teachings based herein.As described above, it constructs required by this kind of system
Structure be obvious.In addition, the present invention is also not directed to any particular programming language.It should be understood that can use various
Programming language realizes summary of the invention described herein, and the description done above to language-specific is to disclose this hair
Bright preferred forms.
In addition, memory may include the non-volatile memory in computer-readable medium, random access memory
(RAM) and/or the forms such as Nonvolatile memory, such as read-only memory (ROM) or flash memory (flash RAM), memory includes extremely
A few storage chip.
It should be understood by those skilled in the art that, embodiments herein can provide as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the application
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the application, which can be used in one or more,
The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces
The form of product.
The application is referring to method, the process of equipment (system) and computer program product according to the embodiment of the present application
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
In a typical configuration, calculating equipment includes one or more processors (CPU), input/output interface, net
Network interface and memory.
Memory may include the non-volatile memory in computer-readable medium, random access memory (RAM) and/
Or the forms such as Nonvolatile memory, such as read-only memory (ROM) or flash memory (flash RAM).Memory is computer-readable Jie
The example of matter.
Computer-readable medium includes permanent and non-permanent, removable and non-removable media can be by any method
Or technology come realize information store.Information can be computer readable instructions, data structure, the module of program or other data.
The example of the storage medium of computer includes, but are not limited to phase change memory (PRAM), static random access memory (SRAM), moves
State random access memory (DRAM), other kinds of random access memory (RAM), read-only memory (ROM), electric erasable
Programmable read only memory (EEPROM), flash memory or other memory techniques, read-only disc read only memory (CD-ROM) (CD-ROM),
Digital versatile disc (DVD) or other optical storage, magnetic cassettes, tape magnetic disk storage or other magnetic storage devices
Or any other non-transmission medium, can be used for storage can be accessed by a computing device information.As defined in this article, it calculates
Machine readable medium does not include temporary computer readable media (transitory media), such as the data-signal and carrier wave of modulation.
It should also be noted that, the terms "include", "comprise" or its any other variant are intended to nonexcludability
It include so that the process, method, commodity or the equipment that include a series of elements not only include those elements, but also to wrap
Include other elements that are not explicitly listed, or further include for this process, method, commodity or equipment intrinsic want
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including element
There is also other identical elements in process, method, commodity or equipment.
It will be understood by those skilled in the art that embodiments herein can provide as method, system or computer program product.
Therefore, complete hardware embodiment, complete software embodiment or embodiment combining software and hardware aspects can be used in the application
Form.It is deposited moreover, the application can be used to can be used in the computer that one or more wherein includes computer usable program code
The shape for the computer program product implemented on storage media (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.)
Formula.
The above is only embodiments herein, are not intended to limit this application.To those skilled in the art,
Various changes and changes are possible in this application.It is all within the spirit and principles of the present application made by any modification, equivalent replacement,
Improve etc., it should be included within the scope of the claims of this application.
It should be noted that the above embodiments do not limit the invention in any form, it is all to use equivalent replacement or equivalent change
The mode changed technical solution obtained, falls within the scope of protection of the present invention.
Claims (6)
1. a kind of control method for vehicle based on bluetooth is suitable for mobile unit characterized by comprising
The Bluetooth connection request for persistently receiving user equipment sending, establishes connection with the user equipment and generates character string at random
And the initial address of the character string and length are sent to the user equipment；
The character string checking request for receiving the first encryption data of carrying of user equipment transmission, using des encryption algorithm to described
Character string is encrypted, and the second encrypted characters string is generated；
Preceding 8 characters in the second encrypted characters string are chosen, the second encryption data is generated；
It verifies first encryption data and whether second encryption data is identical, if so, determining that this bluetooth connection is closed
Method simultaneously sends corresponding instruction to car door, by car door opening or latching.
2. the control method for vehicle according to claim 1 based on bluetooth, which is characterized in that persistently receive user equipment hair
Bluetooth connection request and authentication request out, establishing connection with the user equipment includes:
After the Bluetooth connection request for receiving user equipment sending, if not receiving user equipment sending within the set time
Authentication request then disconnects this connection.
3. a kind of control method for vehicle based on bluetooth is suitable for server characterized by comprising
Receive the initial position of the carrying character string of user equipment transmission and the cipher inquiry request of length, according to the character string
Initial position and length, corresponding character string is obtained from cipher table；
The character string is encrypted using des encryption algorithm, generates the first encrypted characters string；
It chooses preceding 8 characters in the first encrypted characters string, generates the first encryption data and by first encryption data
It is sent to user equipment.
4. a kind of vehicle control system based on bluetooth is suitable for mobile unit characterized by comprising
Transceiver module establishes connection simultaneously with the user equipment for persistently receiving the Bluetooth connection request of user equipment sending
It is random to generate character string and the initial address of the character string and length are sent to the user equipment；
Encrypting module, the character string checking request of the first encryption data of carrying for receiving user equipment transmission, using DES plus
Close algorithm encrypts the character string, generates the second encrypted characters string；
Module is chosen, for choosing preceding 8 characters in the second encrypted characters string, generates the second encryption data；
Correction verification module, it is whether identical for verifying first encryption data and second encryption data, if so, determining this
Secondary bluetooth connection is legal and sends corresponding instruction to car door, by car door opening.
5. the vehicle control system according to claim 4 based on bluetooth, which is characterized in that the transceiver module includes disconnected
Unit is opened, then disconnects the bluetooth connection established between user equipment.
6. a kind of vehicle control system based on bluetooth is suitable for server characterized by comprising
Module is obtained, for receiving the initial position of the carrying character string of user equipment transmission and the cipher inquiry request of length,
According to the initial position of the character string and length, corresponding character string is obtained from cipher table；
Encrypting module generates the first encrypted characters string for encrypting using des encryption algorithm to the character string；
Module is chosen, for choosing preceding 8 characters in the first encrypted characters string, the first encryption data of generation simultaneously will be described
First encryption data is sent to user equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910127892.4A CN109801423A (en) | 2019-02-20 | 2019-02-20 | A kind of control method for vehicle and system based on bluetooth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910127892.4A CN109801423A (en) | 2019-02-20 | 2019-02-20 | A kind of control method for vehicle and system based on bluetooth |
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| Publication Number | Publication Date |
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| CN109801423A true CN109801423A (en) | 2019-05-24 |
Family
ID=66560950
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910127892.4A Pending CN109801423A (en) | 2019-02-20 | 2019-02-20 | A kind of control method for vehicle and system based on bluetooth |
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Application publication date: 20190524 |
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| RJ01 | Rejection of invention patent application after publication |