CN106184072A - automobile ECU information monitoring system based on mobile terminal - Google Patents
automobile ECU information monitoring system based on mobile terminal Download PDFInfo
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- CN106184072A CN106184072A CN201610571100.9A CN201610571100A CN106184072A CN 106184072 A CN106184072 A CN 106184072A CN 201610571100 A CN201610571100 A CN 201610571100A CN 106184072 A CN106184072 A CN 106184072A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
- B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
- B60R16/0232—Circuits relating to the driving or the functioning of the vehicle for measuring vehicle parameters and indicating critical, abnormal or dangerous conditions
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Abstract
A kind of automobile ECU information monitoring system based on mobile terminal, relates to automobile monitoring technical field, and solved is the technical problem of monitoring vehicle behavior.This system includes vehicle-mounted ECU, on-vehicle Bluetooth module, vehicle-mounted Encryption Decryption module, mobile terminal；Described vehicle-mounted ECU is interconnected with vehicle-mounted Encryption Decryption module by spi bus, and described vehicle-mounted Encryption Decryption module is interconnected with on-vehicle Bluetooth module by data/address bus；Described mobile terminal is built-in with airborne microprocessor, airborne bluetooth module, airborne Encryption Decryption module, described airborne microprocessor is interconnected with airborne Encryption Decryption module by data/address bus, described airborne Encryption Decryption module is interconnected with airborne bluetooth module by data/address bus, and described airborne bluetooth module is interconnected with on-vehicle Bluetooth module by Blue-tooth communication method.The system that the present invention provides, it is adaptable to monitoring vehicle operational mode.
Description
Technical field
Present invention relates particularly to a kind of automobile ECU information monitoring system based on mobile terminal.
Background technology
Vehicle-mounted ECU (ElectronicControlUnit, electronic control unit), also known as " car running computer ", " vehicle-mounted computer "
Deng, it is then automobile specified microcomputerized controller from purposes, it is the same with common computer, by microprocessor (CPU), memorizer
(ROM, RAM), input/output interface (I/O), analog-digital converter (A/D) and the large scale integrated circuit group such as shaping, driving
Become.The letter of the vehicle routine techniques state aspects such as the distance travelled of vehicle, speed, oil consumption, water temperature can be obtained by vehicle-mounted ECU
Breath, in safety information mainly includes tire pressure, tire, temperature, air bag state, front-and-rear vehicle distance etc. are relevant with vehicle safety enforcement
Information.The mode of existing acquisition vehicle-mounted ECU data has following several: 1) for an ISO15301-5OBD2 standard agreement
Vehicle, can read out all of information in vehicle-mounted ECU by OBD interface；Different automobile types OBD interface position is different, such as a vapour
New RAV4, the OBD interface of Toyota is close to the back side of interior trim baffle plate, if installing the equipment of reading information, it will peace is driven in impact
Entirely；Analogue exists in many moneys vehicle such as the bright ease of Shanghai Volkswagen, Toyota of Guangzhou Automobile Workshop Accord, and equipment is installed not only affects driving
Safety, also can cause OBD interface to read data inaccurate.2) obtaining data by CAN, which is by special automobile
Required signal data section is read and preserves by CAN equipment (USBCAN-IIPro, USBCAN-OBD etc.), expert engineer
Use is analyzed software carry out data sorting out parsing；Read vehicle-mounted ECU data by this kind of mode, need expert engineer and
Equipment could realize, and the time of data parsing is longer.
Summary of the invention
Present invention aims to the deficiencies in the prior art, it is provided that a kind of automobile ECU information based on mobile terminal
Monitoring system, can should solve the problems referred to above by automobile ECU information monitoring system based on mobile terminal well.
For reaching above-mentioned requirements, the present invention adopts the technical scheme that: provide a kind of automobile ECU based on mobile terminal to believe
Breath monitoring system, should include on-vehicle Bluetooth module, vehicle-mounted encrypting and decrypting mould by automobile ECU information monitoring system based on mobile terminal
Block, mobile terminal；Described vehicle-mounted ECU is interconnected with vehicle-mounted Encryption Decryption module by spi bus, described vehicle-mounted Encryption Decryption module
Interconnected with on-vehicle Bluetooth module by data/address bus；Described mobile terminal is built-in with airborne microprocessor, airborne bluetooth module, machine
Carrying Encryption Decryption module, described airborne microprocessor is interconnected by data/address bus and airborne Encryption Decryption module, described airborne adds
Close deciphering module is interconnected with airborne bluetooth module by data/address bus, and described airborne bluetooth module passes through Blue-tooth communication method and car
Load bluetooth module interconnects, and described mobile terminal is mobile phone, panel computer or notebook computer, each vehicle-mounted Encryption Decryption module,
Airborne bluetooth module is each equipped with one for the chaotic key generation module generating chaotic key；Described chaotic key generates mould
Block includes memorizer, depositor, the first XOR gate, the second XOR gate, left shifter；Described memorizer, depositor, left shifter
Being respectively provided with 128 bit data ports, described first XOR gate, the second XOR gate are respectively provided with 64 bit data ports；Described memorizer
128 bit data ports are port interconnected with 128 bit data of depositor, 64 bit data port and depositors of described first XOR gate
High 64 bit data port interconnected, 64 bit data ports of described second XOR gate are mutual with the low 64 bit data ports of depositor
Connection；The low 64 bit data ports of described left shifter and 64 bit data of the second XOR gate are port interconnected, 128 of left shifter
FPDP is port interconnected with 128 bit data of depositor, and the high 64 bit data ports of left shifter constitute chaotic key and generate
The key output port of module；The FPDP of vehicle-mounted Encryption Decryption module is close with its chaotic key generation module configured
Key output port interconnects, the FPDP of airborne bluetooth module and the key outfan of its chaotic key generation module configured
Mouth interconnection；
Also including car networked platforms, described car networked platforms receives the cipher key request information that mobile terminal sends, described close
Key solicited message at least includes the identification information of described mobile terminal；Identification information according to described mobile terminal generates original end
End key；By root key and described original terminal key, generate session key, the described mark according to described mobile terminal
Information generates original terminal key and includes: the identification information of described mobile terminal is defined as 7 characters, wherein, the 1st character
For capitalization, span is: ' A '-' P '；The 2-7 character is numeral, the span of the 2nd character: ' 1 '-' 9 ',
The span of 3-7 character is ' 0 '-' 9 '；The ASCII character value of the 1st character is deducted 65, as described original terminal
The highest order of key, low 6 directly as described original terminal key of remaining 6 numerical character, generate described original terminal
Key, described by root key and described original terminal key, generate session key and include: described original terminal key is made
Being that 4 byte integer numerical value carry out XOR with described root key, gained 4 byte integer numerical value is carried out word for word with byte array form again
Joint XOR processes, and the highest byte of the integer numerical value obtained after being processed by byte-by-byte XOR resets, and generates described session key.
Should have the advantage that as follows by automobile ECU information monitoring system based on mobile terminal: vehicle-mounted Encryption Decryption module
FPDP interconnects with the key output port of its chaotic key generation module configured, the FPDP of airborne bluetooth module
Interconnect with the key output port of its chaotic key generation module configured；The automobile based on mobile terminal that the present invention provides
ECU information monitoring system, utilizes Blue-tooth communication method that the vehicle behavior data of vehicle-mounted ECU collection are passed to mobile terminal, this
Plant information acquiring pattern to need not, by ODB interface, not interfere with driving safety, and data message passes through Encryption Decryption module
Transmitting after encryption, transmission security is the highest；Further, mobile terminal can use existing mobile phone, panel computer or pen
Remember this computer, system cost can be reduced；Further, use chaotic key generation module to generate chaotic key, can improve
Data transmission security.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing further understanding of the present application, constitutes the part of the application, at this
A little accompanying drawings use identical reference number to represent same or analogous part, the schematic description and description of the application
For explaining the application, it is not intended that the improper restriction to the application.In the accompanying drawings:
Fig. 1 schematically shows the automobile ECU information monitoring based on mobile terminal according to one embodiment of the application
The structural representation of system.
Detailed description of the invention
For making the purpose of the application, technical scheme and advantage clearer, below in conjunction with drawings and the specific embodiments, to this
Application is described in further detail.
In the following description, quoting of " embodiment ", " embodiment ", " example ", " example " etc. is shown
The embodiment so described or example can include special characteristic, structure, characteristic, character, element or limit, but the most each reality
Execute example or example the most necessarily includes special characteristic, structure, characteristic, character, element or limit.It addition, reuse phrase " according to
One embodiment of the application " although it is possible to refer to identical embodiment, but it is not necessarily referring to identical embodiment.
For the sake of simplicity, eliminate in below describing and well known to a person skilled in the art some technical characteristic.
An embodiment according to the application, it is provided that a kind of automobile ECU information monitoring system based on mobile terminal, such as figure
Shown in 1, a kind of automobile ECU information monitoring system based on mobile terminal, including vehicle-mounted ECU, it is characterised in that: also include vehicle-mounted
Bluetooth module, vehicle-mounted Encryption Decryption module, mobile terminal；Described vehicle-mounted ECU is mutual with vehicle-mounted Encryption Decryption module by spi bus
Connection, described vehicle-mounted Encryption Decryption module is interconnected with on-vehicle Bluetooth module by data/address bus；Described mobile terminal is built-in with airborne
Microprocessor, airborne bluetooth module, airborne Encryption Decryption module, described airborne microprocessor is by data/address bus and airborne encryption
Deciphering module interconnects, and described airborne Encryption Decryption module is interconnected with airborne bluetooth module by data/address bus, described airborne bluetooth
Module is interconnected with on-vehicle Bluetooth module by Blue-tooth communication method, and described mobile terminal is mobile phone, panel computer or notebook electricity
Brain, each vehicle-mounted Encryption Decryption module, airborne bluetooth module are each equipped with one for the chaotic key life generating chaotic key
Become module；Described chaotic key generation module includes memorizer, depositor, the first XOR gate, the second XOR gate, left shifter；
Described memorizer, depositor, left shifter are respectively provided with 128 bit data ports, and described first XOR gate, the second XOR gate are respectively provided with
64 bit data ports；128 bit data ports of described memorizer are port interconnected with 128 bit data of depositor, described first different
Or 64 bit data ports of door are port interconnected with high 64 bit data of depositor, 64 bit data ports of described second XOR gate with
Low 64 bit data of depositor are port interconnected；The low 64 bit data ports of described left shifter and 64 bit data of the second XOR gate
Port interconnected, 128 bit data ports of left shifter are port interconnected with 128 bit data of depositor, left shifter high 64
FPDP constitutes the key output port of chaotic key generation module；The FPDP of vehicle-mounted Encryption Decryption module is joined with it
The key output port interconnection of the chaotic key generation module put, the FPDP of airborne bluetooth module and its chaos configured
The key output port interconnection of key production module.
An embodiment according to the application, should also include that car joined by automobile ECU information monitoring system based on mobile terminal
Net platform, car networked platforms receives the cipher key request information that mobile terminal sends, and described cipher key request information at least includes described
The identification information of mobile terminal；Identification information according to described mobile terminal generates original terminal key；By root key and
Described original terminal key, generates session key, and the described identification information according to described mobile terminal generates original terminal key
Including: the identification information of described mobile terminal is defined as 7 characters, and wherein, the 1st character is capitalization, span
For: ' A '-' P '；The 2-7 character is numeral, the span of the 2nd character: ' 1 '-' 9 ', the value model of 3-7 character
Enclose for ' 0 '-' 9 '；The ASCII character value of the 1st character is deducted 65, as the highest order of described original terminal key, remaining 6
Low 6 directly as described original terminal key of numerical character, generates described original terminal key, described by root key with
And described original terminal key, generate session key and include: using described original terminal key as 4 byte integer numerical value with described
Root key carries out XOR, and gained 4 byte integer numerical value carries out byte-by-byte XOR process with byte array form again, by byte-by-byte different
Or the highest byte of the integer numerical value obtained after processing resets, generate described session key.
Embodiment described above only represents the several embodiments of the present invention, and it describes more concrete and detailed, but not
It is understood that as limitation of the scope of the invention.It should be pointed out that, for the person of ordinary skill of the art, without departing from
On the premise of present inventive concept, it is also possible to make some deformation and improvement, these broadly fall into scope.Therefore this
Bright protection domain should be as the criterion with described claim.
Claims (1)
1. an automobile ECU information monitoring system based on mobile terminal, including vehicle-mounted ECU, it is characterised in that: also include vehicle-mounted
Bluetooth module, vehicle-mounted Encryption Decryption module, mobile terminal；Described vehicle-mounted ECU is mutual with vehicle-mounted Encryption Decryption module by spi bus
Connection, described vehicle-mounted Encryption Decryption module is interconnected with on-vehicle Bluetooth module by data/address bus；Described mobile terminal is built-in with airborne
Microprocessor, airborne bluetooth module, airborne Encryption Decryption module, described airborne microprocessor is by data/address bus and airborne encryption
Deciphering module interconnects, and described airborne Encryption Decryption module is interconnected with airborne bluetooth module by data/address bus, described airborne bluetooth
Module is interconnected with on-vehicle Bluetooth module by Blue-tooth communication method；Described mobile terminal is mobile phone, panel computer or notebook electricity
Brain, each vehicle-mounted Encryption Decryption module, airborne bluetooth module are each equipped with one for the chaotic key life generating chaotic key
Become module；Described chaotic key generation module includes memorizer, depositor, the first XOR gate, the second XOR gate, left shifter；
Described memorizer, depositor, left shifter are respectively provided with 128 bit data ports, and described first XOR gate, the second XOR gate are respectively provided with
64 bit data ports；128 bit data ports of described memorizer are port interconnected with 128 bit data of depositor, described first different
Or 64 bit data ports of door are port interconnected with high 64 bit data of depositor, 64 bit data ports of described second XOR gate with
Low 64 bit data of depositor are port interconnected；The low 64 bit data ports of described left shifter and 64 bit data of the second XOR gate
Port interconnected, 128 bit data ports of left shifter are port interconnected with 128 bit data of depositor, left shifter high 64
FPDP constitutes the key output port of chaotic key generation module；The FPDP of vehicle-mounted Encryption Decryption module is joined with it
The key output port interconnection of the chaotic key generation module put, the FPDP of airborne bluetooth module and its chaos configured
The key output port interconnection of key production module；
Also including car networked platforms, described car networked platforms receives the cipher key request information that mobile terminal sends, and described key please
Information is asked at least to include the identification information of described mobile terminal；It is close that identification information according to described mobile terminal generates original terminal
Key；By root key and described original terminal key, generate session key；Identification information according to described mobile terminal generates
Original terminal key includes: the identification information of described mobile terminal is defined as 7 characters, and wherein, the 1st character is capital letter
Mother, span is: ' A '-' P '；The 2-7 character is numeral, the span of the 2nd character: ' 1 '-' 9 ', the 3-7 word
The span of symbol is ' 0 '-' 9 '；The ASCII character value of the 1st character is deducted 65, the highest as described original terminal key
Position, low 6 directly as described original terminal key of remaining 6 numerical character, generate described original terminal key, described logical
Cross root key and described original terminal key, generate session key and include: using described original terminal key as 4 byte integers
Numerical value and described root key carry out XOR, and gained 4 byte integer numerical value carries out byte-by-byte XOR process with byte array form again,
The highest byte of the integer numerical value obtained after being processed by byte-by-byte XOR resets, and generates described session key.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610571100.9A CN106184072A (en) | 2016-07-19 | 2016-07-19 | automobile ECU information monitoring system based on mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610571100.9A CN106184072A (en) | 2016-07-19 | 2016-07-19 | automobile ECU information monitoring system based on mobile terminal |
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| CN106184072A true CN106184072A (en) | 2016-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610571100.9A Pending CN106184072A (en) | 2016-07-19 | 2016-07-19 | automobile ECU information monitoring system based on mobile terminal |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116074826A (en) * | 2023-03-07 | 2023-05-05 | 深圳市好盈科技股份有限公司 | Communication data encryption and decryption method and device applied to electric scooter |
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| CN105391731A (en) * | 2015-12-07 | 2016-03-09 | 宿迁学院 | Wireless electronic license plate, encryption method and encryption system of wireless electronic license plate |
| CN205334222U (en) * | 2015-12-30 | 2016-06-22 | 上海理工大学 | Car ECU information monitoring system based on intelligent mobile device |
| CN105721149A (en) * | 2016-04-25 | 2016-06-29 | 北汽福田汽车股份有限公司 | Internet of vehicles system session key generation method and vehicular terminal and ECU binding method |
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| US20100250053A1 (en) * | 2007-09-28 | 2010-09-30 | Thomas Grill | Tachograph, Toll Onboard Unit, Display Instrument, and System |
| CN101515853A (en) * | 2009-03-09 | 2009-08-26 | 深圳同方电子设备有限公司 | Information terminal and information safety device thereof |
| CN105391731A (en) * | 2015-12-07 | 2016-03-09 | 宿迁学院 | Wireless electronic license plate, encryption method and encryption system of wireless electronic license plate |
| CN205334222U (en) * | 2015-12-30 | 2016-06-22 | 上海理工大学 | Car ECU information monitoring system based on intelligent mobile device |
| CN105721149A (en) * | 2016-04-25 | 2016-06-29 | 北汽福田汽车股份有限公司 | Internet of vehicles system session key generation method and vehicular terminal and ECU binding method |
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| CN116074826A (en) * | 2023-03-07 | 2023-05-05 | 深圳市好盈科技股份有限公司 | Communication data encryption and decryption method and device applied to electric scooter |
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Application publication date: 20161207 |
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