CN113950024A - Data transmission method, device and storage medium - Google Patents

Data transmission method, device and storage medium Download PDF

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Publication number
CN113950024A
CN113950024A CN202111212251.2A CN202111212251A CN113950024A CN 113950024 A CN113950024 A CN 113950024A CN 202111212251 A CN202111212251 A CN 202111212251A CN 113950024 A CN113950024 A CN 113950024A
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China
Prior art keywords
data
vehicle
type
security policy
mounted terminal
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Granted
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CN202111212251.2A
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Chinese (zh)
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CN113950024B (en
Inventor
刘志权
韦江波
李维佳
李中
钤建考
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China United Network Communications Group Co Ltd
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China United Network Communications Group Co Ltd
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Priority to CN202111212251.2A priority Critical patent/CN113950024B/en
Publication of CN113950024A publication Critical patent/CN113950024A/en
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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
    • H04W4/30—Services specially adapted for particular environments, situations or purposes
    • H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/009—Security arrangements; Authentication; Protecting privacy or anonymity specially adapted for networks, e.g. wireless sensor networks, ad-hoc networks, RFID networks or cloud networks
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/30—Security of mobile devices; Security of mobile applications
    • H04W12/37—Managing security policies for mobile devices or for controlling mobile applications

Abstract

The application provides a data transmission method, a data transmission device and a storage medium. The method comprises the following steps: the method comprises the steps that a vehicle-mounted terminal obtains first type data and second type data; the vehicle-mounted terminal configures a first security policy for the first type of data according to a preset corresponding relationship, and configures a second security policy for the second type of data; the vehicle-mounted terminal encrypts the first type of data according to a first security policy to obtain first encrypted data, and encrypts the second type of data according to a second security policy to obtain second encrypted data; and the vehicle-mounted terminal sends the first encrypted data and the second encrypted data to the remote driving center through the control center. The method classifies the data acquired by the vehicle-mounted terminal, cannot excessively encrypt, and is beneficial to reducing the delay in data transmission in the Internet of vehicles.

Description

Data transmission method, device and storage medium
Technical Field
The present application relates to the field of communications technologies, and in particular, to a data transmission method, an apparatus, and a storage medium.
Background
The vehicle networking can collect the vehicle dynamic information in the vehicle networking through a wireless communication technology, effectively utilize the collected vehicle dynamic information, and provide service for the vehicle in the vehicle operation process so as to provide guarantee for the vehicle operation. With the development of the car networking technology, a remote driving center in the car networking can remotely control the car to provide guarantee for the smooth operation of the car.
Currently, a remote driving center in the internet of vehicles may generate delay in the process of transmitting encrypted data with a controlled vehicle, so that the remote driving center is not accurate enough in remote control of the vehicle.
Disclosure of Invention
The application provides a data transmission method, a data transmission device and a storage medium, which are beneficial to reducing the delay of encrypted data transmission between a remote driving center and a vehicle in an internet of vehicles.
In a first aspect, an embodiment of the present application provides a data transmission method, which is applied to a vehicle-mounted terminal accessing to the internet in an internet of vehicles; the vehicle-mounted terminal is a vehicle-mounted terminal on a vehicle, and the Internet of vehicles also comprises a control center accessed to the Internet and a remote driving center accessed to the Internet; the method comprises the following steps: the method comprises the steps that a vehicle-mounted terminal obtains first type data and second type data; the first type of data includes at least one of a speed of the vehicle, a heading angle of the vehicle, an acceleration of the vehicle, a fuel consumption of the vehicle, or a power consumption of the vehicle; the second type of data includes a vehicle travel route of the vehicle or inside and outside monitoring video data of the vehicle; the vehicle-mounted terminal configures a first security policy for the first type of data according to a preset corresponding relationship, and configures a second security policy for the second type of data; the preset corresponding relation comprises a corresponding relation between the data type and the security policy; the data types comprise a first type and a second type; the security policy comprises a first security policy and a second security policy; any security policy comprises at least one encryption mode of hardware encryption, software encryption or transmission channel encryption; the encryption mode of the first security policy is less than that of the second security policy; the vehicle-mounted terminal encrypts the first type of data according to a first security policy to obtain first encrypted data, and encrypts the second type of data according to a second security policy to obtain second encrypted data; and the vehicle-mounted terminal sends the first encrypted data and the second encrypted data to the remote driving center through the control center.
In the embodiment of the application, the vehicle-mounted terminal can classify the data acquired by the vehicle-mounted terminal according to the importance degree of the data, the data of different types are encrypted in different numbers, and thus, when the data are encrypted, excessive encryption is avoided, so that the occupation of the vehicle-mounted terminal or the remote driving center on the computing resources in the vehicle-mounted terminal and the remote driving center in the data encryption or data decryption process in the vehicle networking is reduced, and further, the delay in data transmission in the vehicle networking is reduced.
In one possible implementation, the data type further includes a third type, and the security policy further includes a third security policy; the vehicle-mounted terminal is connected with the vehicle through a controller local area network bus, and any one of the security strategies further comprises a decryption mode corresponding to the encryption mode; the method further comprises the following steps: the vehicle-mounted terminal receives a third type of data from the remote driving center; the third type of data includes control instruction data for controlling the vehicle; the vehicle-mounted terminal acquires a third security policy corresponding to the third type of data according to the preset corresponding relation; the third security policy comprises a larger encryption mode than the second security policy; the vehicle-mounted terminal decrypts the third type of data according to the decryption mode included by the third security policy to obtain control instruction data; the vehicle-mounted terminal sends a control instruction to a vehicle controller of the vehicle through a control local area network bus according to the control instruction data; the control command is used to control at least one of a steering wheel, a throttle, a brake, or a gear of the vehicle.
Therefore, the data with high importance degree, namely the control command data, is encrypted by adopting more encryption modes, so that the safety degree of the control command data for controlling the vehicle in the internet of vehicles can be improved.
In another possible implementation manner, the first security policy includes transmission channel encryption; the method further comprises the following steps: the vehicle-mounted terminal sends a registration message to the core network equipment so as to access the Internet; the registration message comprises an account identifier of the vehicle-mounted terminal; the vehicle-mounted terminal is accessed to the Internet; the vehicle-mounted terminal encrypts the first type of data according to the first security policy to obtain first encrypted data, and the method comprises the following steps: and the vehicle-mounted terminal encapsulates the first type of data according to the tunnel protocol corresponding to the account identifier of the vehicle-mounted terminal to obtain first encrypted data.
Therefore, the basic data of the first type of data is transmitted by adopting the secure tunnel, so that excessive encryption of the first type of data is avoided, excessive computing resources are consumed when the vehicle-mounted terminal encrypts the first type of data, and the delay of the first type of data in the transmission process is reduced.
In another possible implementation manner, the sending, by the vehicle-mounted terminal, the first encrypted data to the remote driving center through the control center includes: the vehicle-mounted terminal sends first encrypted data to the remote driving center through the control center through a special tunnel corresponding to the account identifier of the vehicle-mounted terminal.
In a second aspect, the application provides another data transmission method, which is applied to a remote driving center which is connected to the internet in the internet of vehicles; the Internet of vehicles also comprises a vehicle-mounted terminal accessed to the Internet and a control center accessed to the Internet; the vehicle-mounted terminal is a vehicle-mounted terminal on a vehicle; the method comprises the following steps: the remote driving center receives first encrypted data and second encrypted data from the vehicle-mounted terminal; the first encrypted data is data obtained by encrypting the first type of data by the vehicle-mounted terminal; the second encrypted data is data obtained by encrypting the second type of data by the vehicle-mounted terminal; the first type of data includes at least one of a speed of the vehicle, a heading angle of the vehicle, an acceleration of the vehicle, a fuel consumption of the vehicle, or a power consumption of the vehicle; the second type of data includes a vehicle travel route of the vehicle or inside and outside monitoring video data of the vehicle; the remote driving center respectively acquires a first safety strategy corresponding to the first type and a second safety strategy corresponding to the second type according to a preset corresponding relation; the preset corresponding relation comprises a corresponding relation between the data type and the security policy; the data types comprise a first type and a second type; the security policy comprises a first security policy and a second security policy; any security policy comprises at least one encryption mode of hardware encryption, software encryption or transmission channel encryption and a decryption mode corresponding to the encryption mode; the encryption mode of the first security policy is less than that of the second security policy; the remote driving center decrypts the first encrypted data according to the decryption mode included by the first security policy to obtain data of a first type, and decrypts the second encrypted data according to the decryption mode included by the second security policy to obtain data of a second type; the remote driving center feeds back the first type of data and the second type of data to the user.
In this way, the remote driving center's occupation of the remote driving center's computing resources when decrypting the first encrypted data is less than the remote driving center's occupation of the remote driving center's computing resources when decrypting the second encrypted data. The delay of data transmission in the internet of vehicles is reduced, and the accuracy of controlling the vehicle by the remote driving center is improved.
In one possible implementation, the data type further includes a third type; the security policies also include a third security policy; the method further comprises the following steps: the remote driving center receives user operation and responds to the user operation to acquire data of a third type; the third type of data includes control instruction data for controlling the vehicle; the remote driving center acquires a third safety strategy corresponding to the third type of data according to the preset corresponding relation; the third security policy comprises a larger encryption mode than the second security policy; the remote driving center encrypts the third type of data according to a third security strategy to obtain third encrypted data; the remote driving center sends third encrypted data to the vehicle-mounted terminal through the control center, and the third encrypted data is used for the vehicle-mounted terminal to send a control instruction to a vehicle controller of the vehicle according to the control instruction data; the control command is used to control at least one of a steering wheel, a throttle, a brake, or a gear of the vehicle.
Therefore, the data with high importance degree, namely the control command data, is encrypted by adopting more encryption modes, so that the safety degree of the control command data for controlling the vehicle in the internet of vehicles can be improved.
In a third aspect, the application provides a data transmission device, which is applied to a vehicle-mounted terminal accessed to the internet on a vehicle in the internet of vehicles, wherein the internet of vehicles further comprises a control center accessed to the internet and a remote driving center accessed to the internet; the data transmission device includes: the processing module is used for acquiring data of a first type and data of a second type; the first type of data includes at least one of a speed of the vehicle, a heading angle of the vehicle, an acceleration of the vehicle, a fuel consumption of the vehicle, or a power consumption of the vehicle; the second type of data includes a vehicle travel route of the vehicle or inside and outside monitoring video data of the vehicle; configuring a first security policy for the first type of data according to a preset corresponding relation, and configuring a second security policy for the second type of data; the preset corresponding relation comprises a corresponding relation between the data type and the security policy; the data types comprise a first type and a second type; the security policy comprises a first security policy and a second security policy; any security policy comprises at least one encryption mode of hardware encryption, software encryption or transmission channel encryption; the encryption mode of the first security policy is less than that of the second security policy; encrypting the first type of data according to a first security policy to obtain first encrypted data, and encrypting the second type of data according to a second security policy to obtain second encrypted data; the communication module is used for sending the first encrypted data and the second encrypted data to the remote driving center through the control center.
Optionally, the data type further includes a third type, and the security policy further includes a third security policy; the vehicle-mounted terminal is connected with the vehicle through a controller local area network bus, and any one of the security strategies further comprises a decryption mode corresponding to the encryption mode; the communication module is further configured to: receiving a third type of data from the remote driving center; the third type of data includes control instruction data for controlling the vehicle; the processing module is further used for acquiring a third security policy corresponding to the third type of data according to the preset corresponding relation; the third security policy comprises a larger encryption mode than the second security policy; decrypting the third type of data according to a decryption mode included in the third security policy to obtain control instruction data; the communication module is also used for sending a control instruction to a vehicle controller of the vehicle through the control local area network bus according to the control instruction data; the control command is used to control at least one of a steering wheel, a throttle, a brake, or a gear of the vehicle.
Optionally, the first security policy includes encryption of a transmission channel; the communication module is also used for sending a registration message to the core network equipment so as to access the Internet; the registration message comprises an account identifier of the vehicle-mounted terminal; the communication module is also used for accessing the Internet; the processing module is specifically used for encapsulating the first type of data according to a tunnel protocol corresponding to the account identifier of the vehicle-mounted terminal to obtain first encrypted data.
Optionally, the communication module is specifically configured to send the first encrypted data to the remote driving center through the control center through a dedicated tunnel corresponding to the account identifier of the vehicle-mounted terminal.
In a fourth aspect, the application provides another data transmission device, which is applied to a remote driving center which is connected to the internet in the internet of vehicles; the Internet of vehicles also comprises a vehicle-mounted terminal accessed to the Internet and a control center accessed to the Internet; the vehicle-mounted terminal is a vehicle-mounted terminal on a vehicle; the data transmission device includes: the communication module is used for receiving first encrypted data and second encrypted data from the vehicle-mounted terminal; the first encrypted data is data obtained by encrypting the first type of data by the vehicle-mounted terminal; the second encrypted data is data obtained by encrypting the second type of data by the vehicle-mounted terminal; the first type of data includes at least one of a speed of the vehicle, a heading angle of the vehicle, an acceleration of the vehicle, a fuel consumption of the vehicle, or a power consumption of the vehicle; the second type of data includes a vehicle travel route of the vehicle or inside and outside monitoring video data of the vehicle; the processing module is used for respectively acquiring a first security policy corresponding to the first type and a second security policy corresponding to the second type according to the preset corresponding relation; the preset corresponding relation comprises a corresponding relation between the data type and the security policy; the data types comprise a first type and a second type; the security policy comprises a first security policy and a second security policy; any security policy comprises at least one encryption mode of hardware encryption, software encryption or transmission channel encryption and a decryption mode corresponding to the encryption mode; the encryption mode of the first security policy is less than that of the second security policy; decrypting the first encrypted data according to a decryption mode included in the first security policy to obtain data of a first type, and decrypting the second encrypted data according to a decryption mode included in the second security policy to obtain data of a second type; and feeding back the first type of data and the second type of data to the user.
Optionally, the data type further includes a third type; the security policies also include a third security policy; the processing module is also used for receiving user operation and responding to the user operation to acquire data of a third type; the third type of data includes control instruction data for controlling the vehicle; acquiring a third security policy corresponding to the third type of data according to the preset corresponding relation; the third security policy comprises a larger encryption mode than the second security policy; the remote driving center encrypts the third type of data according to a third security strategy to obtain third encrypted data; the communication module is used for sending third encrypted data to the vehicle-mounted terminal through the control center, and the third encrypted data is used for sending a control instruction to a vehicle controller of the vehicle according to the control instruction data by the vehicle-mounted terminal; the control command is used to control at least one of a steering wheel, a throttle, a brake, or a gear of the vehicle.
In a fifth aspect, an embodiment of the present application provides an electronic device, including: a processor, and a memory communicatively coupled to the processor; the memory stores computer-executable instructions; the processor executes computer-executable instructions stored by the memory to implement the data transmission method provided by the first aspect and any one of the possible implementations of the first aspect, or to implement the data transmission method provided by the second aspect and any one of the possible implementations of the second aspect.
In a sixth aspect, embodiments of the present application provide a computer-readable storage medium, in which computer-executable instructions are stored, and when executed by a processor, are used to implement the data transmission method provided in the first aspect and any one of the possible implementations of the first aspect, or to implement the data transmission method provided in the second aspect and any one of the possible implementations of the second aspect.
In a seventh aspect, an embodiment of the present application provides a computer program product, which includes a computer program, and when the computer program is executed by a processor, the computer program implements the data transmission method provided in the first aspect and any possible implementation manner of the first aspect, or implements the data transmission method provided in the second aspect and any possible implementation manner of the second aspect.
It should be understood that the third to seventh aspects of the present application correspond to the technical solutions of the first aspect and the second aspect of the present application, and the advantageous effects obtained by the aspects and the corresponding possible implementations are similar and will not be described again.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.
Fig. 1 is a schematic view of an architecture of a car networking system to which a data transmission method provided in an embodiment of the present application is applied;
fig. 2 is a schematic structural diagram of an electronic device to which the data transmission method provided in the embodiment of the present application is applied;
fig. 3 is a schematic flowchart of a data transmission method according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of a vehicle-mounted terminal according to an embodiment of the present disclosure;
fig. 5 is a schematic structural diagram of a remote driving center according to an embodiment of the present application.
With the above figures, there are shown specific embodiments of the present application, which will be described in more detail below. These drawings and written description are not intended to limit the scope of the inventive concepts in any manner, but rather to illustrate the inventive concepts to those skilled in the art by reference to specific embodiments.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.
First, terms referred to in the present application are explained:
1) internet of vehicles
The internet of vehicles means that a vehicle-mounted terminal on a vehicle effectively utilizes all vehicle dynamic information in an information network platform through a wireless communication technology so as to provide services for the running vehicle in the running process of the vehicle.
2) Other terms:
in the embodiments of the present application, the words "first", "second", and the like are used to distinguish the same items or similar items having substantially the same functions and actions. For example, the first chip and the second chip are only used for distinguishing different chips, and the sequence order thereof is not limited. Those skilled in the art will appreciate that the terms "first," "second," etc. do not denote any order or quantity, nor do the terms "first," "second," etc. denote any order or importance.
It should be noted that in the embodiments of the present application, words such as "exemplary" or "for example" are used to indicate examples, illustrations or explanations. Any embodiment or design described herein as "exemplary" or "e.g.," is not necessarily to be construed as preferred or advantageous over other embodiments or designs. Rather, use of the word "exemplary" or "such as" is intended to present concepts related in a concrete fashion.
In the embodiments of the present application, "at least one" means one or more, "a plurality" means two or more. "and/or" describes the association relationship of the associated objects, meaning that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone, wherein A and B can be singular or plural. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship. "at least one of the following" or similar expressions refer to any combination of these items, including any combination of the singular or plural items. For example, at least one (one) of a, b, or c, may represent: a, b, c, a-b, a-c, b-c, or a-b-c, wherein a, b, c may be single or multiple.
The control center in the internet of vehicles can collect the vehicle information such as the speed, the course angle, the acceleration, the oil consumption, the power consumption and other driving state information, the route information, the audio and video information inside and outside the vehicle, the warning information of the vehicle and the like of the vehicle carried by the vehicle-mounted terminal accessed in the internet of vehicles. The control center sends the collected information to a remote driving center responsible for monitoring the vehicle. A user responsible for monitoring the vehicle views the vehicle's information and operates a remote driving center to control the vehicle in the event that the vehicle's information representative requires human intervention. The remote driving center may receive an operation instruction of a user and transmit control instruction data to the vehicle in response to the operation instruction to control the vehicle.
Currently, there may be a delay in vehicle information seen by a user at a remote driving center or control instruction data sent by the remote driving center to a controlled vehicle, causing the remote control of the vehicle by the remote driving center to be inaccurate.
The vehicle information transmitted in the internet of vehicles is from various users, and the control instruction data affects the life health of various users, so that various encryption technologies are applied to the data transmitted in the internet of vehicles to prevent accidents such as privacy leakage or malicious tampering, and the application of various encryption technologies affects the processing speed of a vehicle-mounted terminal or a remote driving center, thereby causing delay of data transmission in the internet of vehicles.
In view of this, the embodiment of the present application provides a data transmission method, which classifies data of an internet of vehicles according to importance degrees, encrypts important data by using a plurality of encryption methods, and encrypts general data by using a plurality of encryption methods. Therefore, when data encryption is carried out, excessive encryption is avoided, so that the occupation of computing resources in the vehicle-mounted terminal and the remote driving center in the vehicle networking during the data encryption or data decryption process is reduced, and the delay in data transmission in the vehicle networking is reduced.
The data transmission method provided by the application can be applied to the architecture schematic diagram of the car networking system shown in fig. 1. As shown in fig. 1, the car networking system includes: the system comprises a vehicle-mounted terminal 101, a client terminal device 102-1, a core network device 103-1, a control center 104, a core network device 103-2, a client terminal device 102-2 and a remote driving center 105.
The vehicle-mounted terminal 101 may be installed and fixed in a vehicle, and the vehicle-mounted terminal 101 may include a Global Positioning System (GPS) positioning function and/or a bei dou navigation satellite system (BDS) positioning function, an acceleration sensor, a heading angle, a yaw rate sensor, and an audio signal acquisition sensor. The in-vehicle terminal 101 may be connected to a Vehicle Controller Unit (VCU) of a vehicle via a Controller Area Network (CAN) bus. The control system is used for controlling a steering wheel, an accelerator, a brake, gears, reversing and the like at the vehicle end in real time, and realizing the transverse or longitudinal control of the vehicle.
During the running of the vehicle, the in-vehicle terminal 101 may transmit information such as a shift position, a speed, an acceleration, a heading angle, a yaw rate, an audio signal emitted from an engine of the vehicle, and the like of the vehicle to the remote driving center 105 through the in-vehicle client terminal device 102-1 using a 5G carrier cloud dedicated line. The in-vehicle customer premises equipment 102-1 may be a 5G CPE.
The 5G operator cloud private line may include a 5G CPE, a 5G base station, a core network, a core router, and the like. After receiving the information sent by the 5G CPE, the 5G base station transmits the received information to the core network, passes through the core router, and then reaches the 5G base station connected to the client terminal device 102-2, and then transmits the information to the remote driving center 105 through the client terminal device 102-2. Thus, the time delay from the in-vehicle terminal 101 to the remote driving center 105 can be controlled within 50 ms.
The vehicle-mounted terminal 101 may also be connected to a multi-channel high-definition camera mounted on the vehicle, where the camera is used to collect images representing road conditions around the vehicle, and the vehicle-mounted terminal 101 returns the images to the control center 104 through the vehicle-mounted client terminal device 102-1.
The control center 104 can transmit information from the in-vehicle terminal 101 to the remote driving center 105 through the client terminal device 102-2. The control center 104 may display basic information of the vehicle, driving state information of the vehicle, scheduling instruction data of the vehicle, warning information of the vehicle, monitoring video data inside and outside the vehicle, control instruction data of the vehicle, and the like by using a human-computer interaction interface, and the control center 104 may store the received information and transmit the received information to the corresponding remote driving center 105. The vehicle basic information includes: frame number, license plate number, engine number, name of vehicle factory, brand of vehicle, type of vehicle, color, date from factory, gearbox, power, drive form, type of fuel, etc. The vehicle running state information includes and the like. At least one of a speed of the vehicle, a heading angle of the vehicle, an acceleration of the vehicle, a fuel consumption of the vehicle, or a power consumption of the vehicle. The vehicle scheduling instruction data includes traveling of the vehicle.
The remote driving center 105 can simulate a driving range, a speed, a heading angle, a yaw rate, and the like of the vehicle based on information from the in-vehicle terminal 101. The remote driving center 105 may also integrate multiple sensors such as an acceleration sensor, a heading angle sensor, a yaw rate, an audio signal acquisition sensor, and the like. The remote driving center 105 may receive an operation instruction of a user and transmit a control instruction to the in-vehicle terminal 101 in response to the operation instruction to control the operation of the vehicle.
It should be noted that, in the embodiment of the present application, the number of the vehicle-mounted terminals 101 accessing the internet and the number of the remote driving centers 105 accessing the internet are not limited, for example, the number of the vehicle-mounted terminals 101 accessing the internet is 20, the number of the remote driving centers 105 accessing the internet is 2, and each remote driving center 105 is responsible for remotely monitoring a vehicle in which 10 vehicle-mounted terminals are located.
The vehicle-mounted terminal 101 and the remote driving center 105 monitoring the vehicle in which the vehicle is located can transmit data through the control center 104 according to a publish-subscribe mechanism. For example, the vehicle-mounted terminal 101 in fig. 1 may subscribe to data from the remote driving center 105 in fig. 1, and the remote driving center 105 in fig. 1 may subscribe to data from the vehicle-mounted terminal 101 in fig. 1.
The in-vehicle terminal 101 and the remote driving center 105 may be wireless terminals. A wireless terminal may refer to a device that provides voice and/or other traffic data connectivity to a user, a handheld device having wireless connection capability, or other processing device connected to a wireless modem. The wireless terminal may communicate with one or more core network devices via a Radio Access Network (RAN), and the remote driving center 105 may be a mobile terminal, such as a mobile telephone (or "cellular" telephone) and a computer having a mobile terminal, such as a portable, pocket, hand-held, computer-included, or vehicle-mounted mobile device, that exchanges language and/or data with the RAN. For another example, the wireless terminal may be a Personal Communication Service (PCS) phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA), or the like. A wireless terminal may also be referred to as a system, a subscriber unit (subscriber unit), a subscriber station (subscriber station), a mobile station (mobile), a remote station (remote station), a remote terminal (remote terminal), an access terminal (access terminal), a user terminal (user terminal), a user agent (user agent), and a user equipment (user device user equipment), but is not limited thereto.
The functions of the in-vehicle terminal 101, the control center 104, and the remote driving center 105 described above may be implemented by terminal devices as shown in fig. 2.
Fig. 2 is a schematic diagram illustrating a structure of an electronic device 20 according to an exemplary embodiment, where the electronic device 20 may include one or more of the following components: a processing component 201, a memory 202, a power component 203, a multimedia component 204, an audio component 205, an input/output (I/O) interface 206, a sensor component 207, and a communication component 208.
The processing component 201 generally controls overall operations of the electronic device 20, such as operations associated with display, telephone calls, data communications, camera operations, and recording operations. The processing component 201 may include one or more processors to execute instructions, for example, the processor 201A to perform all or part of the steps of the method described above. Further, the processing component 201 may include one or more modules that facilitate interaction between the processing component 201 and other components. For example, the processing component 201 may include a multimedia module to facilitate interaction between the multimedia component 204 and the processing component 201.
The memory 202 is configured to store various types of data to support operations at the electronic device 20. Examples of such data include instructions for any application or method operating on the electronic device 20, contact data, phonebook data, messages, pictures, videos, and so forth. The memory 202 may be implemented by any type or combination of volatile or non-volatile memory devices, such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disks.
The power supply component 203 provides power to the various components of the electronic device 20. Power components 203 may include a power management system, one or more power sources, and other components associated with generating, managing, and distributing power for electronic device 20.
The multimedia component 204 includes a screen that provides an output interface between the electronic device 20 and a user. In some embodiments, the screen may include a Liquid Crystal Display (LCD) and a Touch Panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive an input signal from a user. The touch panel includes one or more touch sensors to sense touch, slide, and gestures on the touch panel. The touch sensor may not only sense the boundary of a touch or slide action, but also detect the duration and pressure associated with the touch or slide operation. In some embodiments, the multimedia component 204 includes a front facing camera and/or a rear facing camera. The front camera and/or the rear camera may receive external multimedia data when the electronic device 20 is in an operating mode, such as a shooting mode or a video mode. Each front camera and rear camera may be a fixed optical lens system or have a focal length and optical zoom capability.
The audio component 205 is configured to output and/or input audio signals. For example, the audio component 205 includes a Microphone (MIC) configured to receive external audio signals when the electronic device 20 is in an operational mode, such as a call mode, a recording mode, and a voice recognition mode. The received audio signal may further be stored in the memory 202 or transmitted via the communication component 208. In some embodiments, the audio component 205 further comprises a speaker for outputting audio signals.
The I/O interface 206 provides an interface between the processing component 201 and peripheral interface modules, which may be keyboards, click wheels, buttons, etc. These buttons may include, but are not limited to: a home button, a volume button, a start button, and a lock button.
The sensor assembly 207 includes one or more sensors for providing various aspects of status assessment for the electronic device 20. For example, the sensor assembly 207 may detect an open/closed state of the electronic device 20, the relative positioning of components, such as a display and keypad of the electronic device 20, the sensor assembly 207 may also detect a change in the position of the electronic device 20 or a component of the electronic device 20, the presence or absence of user contact with the electronic device 20, orientation or acceleration/deceleration of the electronic device 20, and a change in the temperature of the electronic device 20. The sensor assembly 207 may include a proximity sensor configured to detect the presence of a nearby object without any physical contact. The sensor assembly 207 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications. In some embodiments, the sensor assembly 207 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
The communication component 208 is configured to facilitate wired or wireless communication between the electronic device 20 and other devices. The electronic device 20 may access a wireless network based on a communication standard, such as WiFi, 2G or 3G, or a combination thereof. In an exemplary embodiment, the communication component 208 receives a broadcast signal or broadcast related information from an external broadcast management system via a broadcast channel. In an exemplary embodiment, the communication component 208 further includes a Near Field Communication (NFC) module to facilitate short-range communications. For example, the NFC module may be implemented based on Radio Frequency Identification (RFID) technology, infrared data association (IrDA) technology, Ultra Wideband (UWB) technology, Bluetooth (BT) technology, and other technologies.
It should be noted that the structure illustrated in the embodiment of the present application does not specifically limit the electronic device 20; it will be appreciated that the electronic device 20 may include more or fewer components than illustrated, or combine certain components, or split certain components, or a different arrangement of components; where the illustrated components may be implemented in hardware, software, or a combination of software and hardware.
The following describes the technical solutions of the present application and how to solve the above technical problems with specific embodiments. The following embodiments may be implemented independently or in combination, and details of the same or similar concepts or processes may not be repeated in some embodiments.
Fig. 3 is a schematic flow chart of a data transmission method provided in an embodiment of the present application, where the data transmission method shown in fig. 3 is suitable for the car networking system shown in fig. 1, and the data transmission method shown in fig. 3 includes the following steps:
s300: the vehicle-mounted terminal is accessed to the Internet.
In the embodiment of the application, the vehicle-mounted terminal is a vehicle-mounted terminal included in a vehicle.
In a possible implementation manner, the vehicle-mounted terminal sends a registration message to the core network device to access the internet. The registration message comprises an account identifier of the vehicle-mounted terminal.
Illustratively, the vehicle-mounted terminal registers with the core network of the operator through a built-in 5G SIM card, and establishes network security connection with the core router of the operator so as to access the Internet.
S301: the remote driving center is connected to the Internet.
In the embodiment of the present application, the remote driving center may also be referred to as a remote driving center.
In a possible implementation mode, the remote driving center registers to the core network of the operator through a built-in 5G SIM card, and establishes a secure connection with the core router of the operator to access the Internet.
S302: the vehicle-mounted terminal acquires the first type of data and the second type of data.
In an embodiment of the present application, the first type of data includes at least one of a speed of the vehicle, a heading angle of the vehicle, an acceleration of the vehicle, a fuel consumption of the vehicle, or a power consumption of the vehicle. The second type of data includes a vehicle travel route of the vehicle or inside and outside surveillance video data of the vehicle.
In a possible implementation mode, the vehicle-mounted terminal acquires the first type of data through the connected sensor, and the vehicle-mounted terminal acquires the internal and external monitoring video data of the vehicle through the connected image acquisition equipment. The vehicle-mounted terminal receives the vehicle driving route sent by other equipment.
S303: and the vehicle-mounted terminal configures a first security policy for the first type of data and configures a second security policy for the second type of data according to the preset corresponding relation.
In the embodiment of the present application, the preset corresponding relationship includes a corresponding relationship between a data type and a security policy. Wherein the data type includes a first type and a second type. The security policies include a first security policy and a second security policy. Any one of the security policies comprises at least one encryption mode of hardware encryption, software encryption or transmission channel encryption. The first security policy includes a smaller encryption scheme than the second security policy.
Illustratively, the first security policy includes transmission channel encryption and the second security policy includes transmission channel encryption and software encryption. Alternatively, the second security policy includes transmission channel encryption and hardware encryption.
S304: and the vehicle-mounted terminal encrypts the data of the first type according to the first security policy to obtain first encrypted data, and encrypts the data of the second type according to the second security policy to obtain second encrypted data.
In a possible implementation manner, the vehicle-mounted terminal encapsulates the first type of data according to a tunnel protocol corresponding to the account identifier of the vehicle-mounted terminal to obtain first encrypted data. And the vehicle-mounted terminal encrypts the second type of data through a preset software encryption algorithm, and encapsulates the encrypted second type of data according to a tunnel protocol corresponding to the account identifier of the vehicle-mounted terminal to obtain second encrypted data.
S305: and the vehicle-mounted terminal sends the first encrypted data and the second encrypted data to the remote driving center through the control center.
In a possible implementation manner, the vehicle-mounted terminal sends the first encrypted data and the second encrypted data to the remote driving center through the control center through a special tunnel corresponding to the account identifier of the vehicle-mounted terminal.
Illustratively, the vehicle-mounted terminal sends the first encrypted data and the second encrypted data to the control center by using a secure communication channel established by a Virtual Private Network (VPN) technology based on a Secure Socket Layer (SSL)/secure Transport Layer (TLS) protocol or an internet security (IPsec) protocol. And the control center sends the first encrypted data and the second encrypted data to the remote driving center through the safety communication channel.
S306: and the remote driving center respectively acquires a first safety strategy corresponding to the first type and a second safety strategy corresponding to the second type according to the preset corresponding relation.
In the embodiment of the application, the preset corresponding relation can be preset through codes in the remote driving center. The security policy in the preset corresponding relation includes at least one encryption mode of hardware encryption, software encryption or transmission channel encryption and a decryption mode corresponding to the encryption mode.
S307: and the remote driving center decrypts the first encrypted data according to the decryption mode included by the first security policy to obtain the first type of data, and decrypts the second encrypted data according to the decryption mode included by the second security policy to obtain the second type of data.
S308: the remote driving center feeds back the first type of data and the second type of data to the user.
Illustratively, the remote driving center simulates a driving range, speed, heading angle, yaw rate, etc. of the vehicle based on the first type of data and the second type of data.
Optionally, the remote driving center is integrated with various sensors, such as: acceleration sensor, course angle sensor, yaw angular velocity, audio signal acquisition sensor and other sensors.
S309: the remote driving center receives a user operation and acquires a third type of data in response to the user operation.
In the embodiment of the present application, the third type of data includes control instruction data for controlling the vehicle.
S310: and the remote driving center acquires a third safety strategy corresponding to the third type of data according to the preset corresponding relation.
In this embodiment of the application, the third security policy includes an encryption manner that is greater than an encryption manner included in the second security policy.
S311: and the remote driving center encrypts the third type of data according to a third security policy to obtain third encrypted data.
In one possible implementation manner, the remote driving center encrypts the third type of data in the security chip through a preset software encryption algorithm, and encapsulates the encrypted third type of data according to a tunnel protocol corresponding to an account identifier of the remote driving center to obtain third encrypted data.
In another possible implementation manner, the remote driving center encrypts the third type of data through a preset software encryption algorithm, and encapsulates the encrypted third type of data through the security chip according to a tunnel protocol corresponding to the account identifier of the remote driving center to obtain third encrypted data.
S312: and the remote driving center sends third encrypted data to the vehicle-mounted terminal through the control center.
In the embodiment of the application, the third encrypted data is used for the vehicle-mounted terminal to send a control instruction to the vehicle control unit of the vehicle according to the control instruction data in the third encrypted data. The control command is used to control at least one of a steering wheel, a throttle, a brake, or a gear of the vehicle.
S314: and the vehicle terminal acquires a third security policy corresponding to the third type according to the preset corresponding relation, and decrypts the third encrypted data according to a decryption mode included in the third security policy to obtain the data of the third type.
S315: and the vehicle terminal sends a control instruction to a vehicle controller of the vehicle according to the control instruction data in the third type of data.
In the embodiment of the application, the control command is used for controlling at least one of a steering wheel, a throttle, a brake or a gear of the vehicle.
In a possible implementation manner, the vehicle terminal sends a control instruction to a vehicle controller of the vehicle through the CAN bus according to the control instruction data in the third type of data to control the operation of the vehicle.
In the embodiment of the application, the vehicle-mounted terminal can classify the data acquired by the vehicle-mounted terminal according to the importance degree of the data, the data of different types are encrypted in different numbers, and thus, when the data are encrypted, excessive encryption is avoided, so that the occupation of the vehicle-mounted terminal or the remote driving center on the computing resources in the vehicle-mounted terminal and the remote driving center in the data encryption or data decryption process in the vehicle networking is reduced, and further, the delay in data transmission in the vehicle networking is reduced.
The method provided by the embodiment of the present application is explained above with reference to fig. 3, and the apparatus provided by the embodiment of the present application for performing the method is described below. For example, fig. 4 is a schematic structural diagram of an in-vehicle terminal 40 according to an embodiment of the present application. This example does not constitute a limitation on the embodiments of the present application. The in-vehicle terminal 40 shown in fig. 4 includes a processing module 401 and a communication module 402, and the processing module 401 is configured to: acquiring data of a first type and data of a second type; the first type of data includes at least one of a speed of the vehicle, a heading angle of the vehicle, an acceleration of the vehicle, a fuel consumption of the vehicle, or a power consumption of the vehicle; the second type of data includes a vehicle travel route of the vehicle or inside and outside monitoring video data of the vehicle; configuring a first security policy for the first type of data according to a preset corresponding relation, and configuring a second security policy for the second type of data; the preset corresponding relation comprises a corresponding relation between the data type and the security policy; the data types comprise a first type and a second type; the security policy comprises a first security policy and a second security policy; any security policy comprises at least one encryption mode of hardware encryption, software encryption or transmission channel encryption; the encryption mode of the first security policy is less than that of the second security policy; encrypting the first type of data according to a first security policy to obtain first encrypted data, and encrypting the second type of data according to a second security policy to obtain second encrypted data; the communication module 402 is used for transmitting the first encrypted data and the second encrypted data to the remote driving center through the control center. For example, in conjunction with fig. 3, the processing module 401 may be configured to perform S302-S304, and the communication module 402 may be configured to perform S300 and S305.
Optionally, the data type further includes a third type, and the security policy further includes a third security policy; the vehicle-mounted terminal 40 is connected with the vehicle through a controller local area network bus, and any security policy further comprises a decryption mode corresponding to the encryption mode; the communication module 402 is further configured to: receiving a third type of data from the remote driving center; the third type of data includes control instruction data for controlling the vehicle; the processing module 401 is further configured to obtain a third security policy corresponding to the third type of data according to the preset corresponding relationship; the third security policy comprises a larger encryption mode than the second security policy; decrypting the third type of data according to a decryption mode included in the third security policy to obtain control instruction data; the communication module 402 is further configured to send a control instruction to a vehicle controller of the vehicle through the control local area network bus according to the control instruction data; the control command is used to control at least one of a steering wheel, a throttle, a brake, or a gear of the vehicle.
Optionally, the first security policy includes encryption of a transmission channel; the communication module 402 is further configured to send a registration message to the core network device to access the internet; the registration message includes the account identification of the in-vehicle terminal 40; the communication module 402 is also used for accessing the internet; the processing module 401 is specifically configured to encapsulate the first type of data according to the tunnel protocol corresponding to the account identifier of the vehicle-mounted terminal 40, so as to obtain first encrypted data.
Optionally, the communication module 402 is specifically configured to send the first encrypted data to the remote driving center through the control center through a dedicated tunnel corresponding to the account identifier of the in-vehicle terminal 40.
In one example, in conjunction with fig. 2, the functionality of processing module 401 may be implemented by processing component 201 in fig. 2 invoking computer instructions in memory 202 and communication module 402 may be implemented by communication component 208 in fig. 2.
Fig. 5 is a schematic structural diagram of a remote driving center provided in the present application, where the remote driving center 50 shown in fig. 5 includes a communication module 501 and a processing module 502, where the communication module 501 is configured to receive first encrypted data and second encrypted data from a vehicle-mounted terminal; the first encrypted data is data obtained by encrypting the first type of data by the vehicle-mounted terminal; the second encrypted data is data obtained by encrypting the second type of data by the vehicle-mounted terminal; the first type of data includes at least one of a speed of the vehicle, a heading angle of the vehicle, an acceleration of the vehicle, a fuel consumption of the vehicle, or a power consumption of the vehicle; the second type of data includes a vehicle travel route of the vehicle or inside and outside monitoring video data of the vehicle; the processing module 502 is configured to obtain a first security policy corresponding to the first type and a second security policy corresponding to the second type according to a preset correspondence; the preset corresponding relation comprises a corresponding relation between the data type and the security policy; the data types comprise a first type and a second type; the security policy comprises a first security policy and a second security policy; any security policy comprises at least one encryption mode of hardware encryption, software encryption or transmission channel encryption and a decryption mode corresponding to the encryption mode; the encryption mode of the first security policy is less than that of the second security policy; decrypting the first encrypted data according to a decryption mode included in the first security policy to obtain data of a first type, and decrypting the second encrypted data according to a decryption mode included in the second security policy to obtain data of a second type; and feeding back the first type of data and the second type of data to the user. For example, in conjunction with fig. 3, the communication module 501 may be configured to perform the receiving step in S301 and S305, the transmitting step in S312, and the transmitting step in S315. The processing module 502 may be configured to perform S306-S311.
Optionally, the data type further includes a third type; the security policies also include a third security policy; the processing module 502 is further configured to receive a user operation, and obtain a third type of data in response to the user operation; the third type of data includes control instruction data for controlling the vehicle; acquiring a third security policy corresponding to the third type of data according to the preset corresponding relation; the third security policy comprises a larger encryption mode than the second security policy; encrypting the third type of data according to a third security policy to obtain third encrypted data; the communication module 501 is configured to send third encrypted data to the vehicle-mounted terminal through the control center, where the third encrypted data is used for the vehicle-mounted terminal to send a control instruction to a vehicle controller of the vehicle according to the control instruction data; the control command is used to control at least one of a steering wheel, a throttle, a brake, or a gear of the vehicle.
In one example, in conjunction with fig. 2, the functionality of processing module 502 may be implemented by processing component 201 in fig. 2 invoking computer instructions in memory 202, and communication module 501 may be implemented by communication component 208 in fig. 2.
In an exemplary embodiment, a non-transitory computer readable storage medium is also provided, such as the memory 202 comprising instructions executable by the processing component 201 of the electronic device 20 to perform the above-described method. For example, the non-transitory computer readable storage medium may be a ROM, a Random Access Memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, and the like.
A non-transitory computer readable storage medium, instructions in which, when executed by a processor of a terminal device, enable the terminal device to perform the above-described data transmission method.
An embodiment of the present application provides an electronic device, including: a processor, and a memory communicatively coupled to the processor; the memory stores computer-executable instructions; the processor executes the computer-executable instructions stored in the memory to implement the data transmission method described above.
An embodiment of the present application provides a computer program product, which includes a computer program, and when the computer program is executed by a processor, the computer program implements the data transmission method.
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.
It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.

Claims (10)

1. A data transmission method is characterized in that the method is applied to a vehicle-mounted terminal which is connected to the Internet on a vehicle in the Internet of vehicles; the Internet of vehicles also comprises a control center accessed to the Internet and a remote driving center accessed to the Internet; the method comprises the following steps:
acquiring data of a first type and data of a second type; the first type of data includes at least one of a speed of the vehicle, a heading angle of the vehicle, an acceleration of the vehicle, a fuel consumption of the vehicle, or a power consumption of the vehicle; the second type of data includes a vehicle travel route of the vehicle or inside and outside surveillance video data of the vehicle;
configuring a first security policy for the first type of data according to a preset corresponding relation, and configuring a second security policy for the second type of data; the preset corresponding relation comprises a corresponding relation between a data type and a security policy; the data type comprises the first type and the second type; the security policy comprises the first security policy and the second security policy; any security policy comprises at least one encryption mode of hardware encryption, software encryption or transmission channel encryption; the encryption mode of the first security policy is less than that of the second security policy;
encrypting the first type of data according to the first security policy to obtain first encrypted data, and encrypting the second type of data according to the second security policy to obtain second encrypted data;
transmitting the first encrypted data and the second encrypted data to the remote driving center through the control center.
2. The method of claim 1, wherein the data types further include a third type, and wherein the security policy further includes a third security policy; the vehicle-mounted terminal is connected with the vehicle through a controller local area network bus, and any one of the security strategies further comprises a decryption mode corresponding to the encryption mode; the method further comprises the following steps:
receiving the third type of data from the remote driving center; the third type of data includes control instruction data for controlling the vehicle;
acquiring the third security policy corresponding to the third type of data according to the preset corresponding relation; the third security policy comprises a larger encryption mode than the second security policy;
decrypting the third type of data according to a decryption mode included in the third security policy to obtain the control instruction data;
sending a control instruction to a vehicle controller of the vehicle through a control local area network bus according to the control instruction data; the control instruction is used for controlling at least one of a steering wheel, a throttle, a brake or a gear of the vehicle.
3. The method of claim 1 or 2, wherein the first security policy comprises transmission channel encryption; the method further comprises the following steps:
sending a registration message to core network equipment to access the Internet; the registration message comprises an account identifier of the vehicle-mounted terminal;
accessing to the Internet;
encrypting the first type of data according to the first security policy to obtain first encrypted data, including:
and encapsulating the first type of data according to a tunnel protocol corresponding to the account identifier of the vehicle-mounted terminal to obtain the first encrypted data.
4. The method of claim 3, wherein the sending, by the control center, the first encrypted data to the remote driving center comprises:
and sending the first encrypted data to the remote driving center through the control center through a special tunnel corresponding to the account identifier of the vehicle-mounted terminal.
5. A data transmission method is characterized in that the method is applied to a remote driving center which is connected with the Internet in the Internet of vehicles; the Internet of vehicles also comprises a vehicle-mounted terminal accessed to the Internet and a control center accessed to the Internet; the vehicle-mounted terminal is a vehicle-mounted terminal on a vehicle; the method comprises the following steps:
receiving first encrypted data and second encrypted data from the vehicle-mounted terminal; the first encrypted data is data obtained by encrypting a first type of data by the vehicle-mounted terminal; the second encrypted data is data obtained by encrypting a second type of data by the vehicle-mounted terminal; the first type of data includes at least one of a speed of the vehicle, a heading angle of the vehicle, an acceleration of the vehicle, a fuel consumption of the vehicle, or a power consumption of the vehicle; the second type of data includes a vehicle travel route of the vehicle or inside and outside surveillance video data of the vehicle;
respectively acquiring a first security policy corresponding to the first type and a second security policy corresponding to the second type according to a preset corresponding relation; the preset corresponding relation comprises a corresponding relation between a data type and a security policy; the data type comprises the first type and the second type; the security policy comprises the first security policy and the second security policy; any security policy comprises at least one encryption mode of hardware encryption, software encryption or transmission channel encryption and a decryption mode corresponding to the encryption mode; the encryption mode of the first security policy is less than that of the second security policy;
decrypting the first encrypted data according to a decryption mode included in the first security policy to obtain the first type of data, and decrypting the second encrypted data according to a decryption mode included in the second security policy to obtain the second type of data;
and feeding back the data of the first type and the data of the second type to a user.
6. The method of claim 5, wherein the data types further comprise a third type; the security policies further include a third security policy; the method further comprises the following steps:
receiving user operation, and responding to the user operation to acquire the third type of data; the third type of data includes control instruction data for controlling the vehicle;
acquiring the third security policy corresponding to the third type of data according to the preset corresponding relation; the third security policy comprises a larger encryption mode than the second security policy;
encrypting the third type of data according to the third security policy to obtain third encrypted data;
sending the third encrypted data to the vehicle-mounted terminal through the control center, wherein the third encrypted data is used for sending a control instruction to a vehicle control unit of the vehicle by the vehicle-mounted terminal according to the control instruction data; the control instruction is used for controlling at least one of a steering wheel, a throttle, a brake or a gear of the vehicle.
7. A data transmission device is characterized in that the data transmission device is applied to a vehicle-mounted terminal which is connected to the Internet on a vehicle in the Internet of vehicles; the Internet of vehicles also comprises a control center accessed to the Internet and a remote driving center accessed to the Internet; the data transmission apparatus includes: a processing module and a communication module;
the processing module is used for: acquiring data of a first type and data of a second type; the first type of data includes at least one of a speed of the vehicle, a heading angle of the vehicle, an acceleration of the vehicle, a fuel consumption of the vehicle, or a power consumption of the vehicle; the second type of data includes a vehicle travel route of the vehicle or inside and outside surveillance video data of the vehicle;
configuring a first security policy for the first type of data according to a preset corresponding relation, and configuring a second security policy for the second type of data; the preset corresponding relation comprises a corresponding relation between a data type and a security policy; the data type comprises the first type and the second type; the security policy comprises the first security policy and the second security policy; any security policy comprises at least one encryption mode of hardware encryption, software encryption or transmission channel encryption; the encryption mode of the first security policy is less than that of the second security policy;
encrypting the first type of data according to the first security policy to obtain first encrypted data, and encrypting the second type of data according to the second security policy to obtain second encrypted data;
the communication module is used for sending the first encrypted data and the second encrypted data to the remote driving center through the control center.
8. A data transmission device is characterized in that the device is applied to a remote driving center which is connected with the Internet in the Internet of vehicles; the Internet of vehicles also comprises a vehicle-mounted terminal accessed to the Internet and a control center accessed to the Internet; the vehicle-mounted terminal is a vehicle-mounted terminal on a vehicle; the data transmission apparatus includes: a communication module and a processing module;
the communication module is used for receiving first encrypted data and second encrypted data from the vehicle-mounted terminal; the first encrypted data is data obtained by encrypting a first type of data by the vehicle-mounted terminal; the second encrypted data is data obtained by encrypting a second type of data by the vehicle-mounted terminal; the first type of data includes at least one of a speed of the vehicle, a heading angle of the vehicle, an acceleration of the vehicle, a fuel consumption of the vehicle, or a power consumption of the vehicle; the second type of data includes a vehicle travel route of the vehicle or inside and outside surveillance video data of the vehicle;
the processing module is used for respectively acquiring a first security policy corresponding to the first type and a second security policy corresponding to the second type according to a preset corresponding relation; the preset corresponding relation comprises a corresponding relation between a data type and a security policy; the data type comprises the first type and the second type; the security policy comprises the first security policy and the second security policy; any security policy comprises at least one encryption mode of hardware encryption, software encryption or transmission channel encryption and a decryption mode corresponding to the encryption mode; the encryption mode of the first security policy is less than that of the second security policy;
the processing module is further configured to decrypt the first encrypted data according to a decryption method included in the first security policy to obtain the first type of data, and decrypt the second encrypted data according to a decryption method included in the second security policy to obtain the second type of data;
the processing module is further configured to feed back the first type of data and the second type of data to a user.
9. A computer-readable storage medium having stored thereon computer-executable instructions for implementing a data transmission method as claimed in any one of claims 1 to 4, or a data transmission method as claimed in claim 5 or 6, when executed by a processor.
10. A computer program product comprising a computer program which, when executed by a processor, implements the data transmission method of any one of claims 1 to 4, or implements the data transmission method of claim 5 or 6.
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