CN116434373A - Method, device, system and component for processing vehicle monitoring data - Google Patents
Method, device, system and component for processing vehicle monitoring data Download PDFInfo
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Abstract
The embodiment of the invention relates to a method, a device, a system and a component for processing vehicle monitoring data, wherein the method comprises the following steps: the vehicle control unit periodically collects vehicle monitoring data as vehicle release data, wherein the monitoring data comprise model, communication network type/signal intensity, vehicle speed, residual energy (electric quantity) percentage, brake/accelerator percentage, driving mode, gear, orientation and coordinates; and packaging the vehicle release data and sending the vehicle release data to the vehicle-mounted server. The vehicle-mounted server calculates a verification abstract; and sending the vehicle identification and the encapsulation ciphertext to the cloud server when the ciphertext digest is checked and matched. The cloud server analyzes the encapsulation ciphertext and sends the encapsulation ciphertext into a vehicle monitoring data cache queue; and when receiving a data subscription instruction of the vehicle monitoring terminal, the cloud server returns a cache record which is matched with the subscribed vehicle identifier and is farthest from the current time in the cache queue. The asynchronous transmission mechanism of the invention can solve the problem of monitoring data loss in the conventional synchronous transmission mode.
Description
Technical Field
The present invention relates to the field of signal processing technologies, and in particular, to a method, an apparatus, a system, and a component for processing vehicle monitoring data.
Background
The vehicle monitoring terminals are divided into a local type and a cloud type, and the conventional cloud vehicle monitoring terminals receive and process vehicle monitoring data sent by the monitoring vehicle in a data synchronous transmission mode. This approach has a problem in that the loss of monitoring data is extremely likely to occur as the number of monitored vehicles increases.
Disclosure of Invention
The invention aims at overcoming the defects of the prior art and provides a processing method, a device, a system and a component of vehicle monitoring data; according to the invention, a vehicle-mounted server is arranged at a vehicle end, a cloud server is arranged at a cloud end, and an asynchronous data transmission mechanism based on a vehicle monitoring data cache queue of the cloud end is constructed by a vehicle controller, the vehicle-mounted server and the cloud server; the asynchronous data transmission mechanism takes a vehicle monitoring data cache queue as a message queue, a cloud server distributes vehicle monitoring data which is uploaded by a vehicle server and is collected by a whole vehicle controller into the message queue, and the cloud server pushes the vehicle monitoring data of the message queue to a vehicle monitoring terminal subscribing data according to time sequence, wherein the vehicle monitoring data comprises: vehicle identification, time stamp, vehicle model, communication network type, communication network signal strength, vehicle speed, percentage of vehicle remaining power, percentage of vehicle braking, percentage of vehicle throttle, vehicle driving mode, vehicle gear, vehicle orientation, and vehicle coordinates. The invention can solve the problem of data loss monitoring in the conventional synchronous transmission mode.
To achieve the above object, a first aspect of an embodiment of the present invention provides a method for processing vehicle monitoring data, including:
the vehicle control unit periodically performs vehicle monitoring data acquisition processing according to preset data acquisition frequency to generate corresponding first vehicle release data;
performing data encapsulation on the first vehicle release data based on a preset digital abstract algorithm, a data encryption and decryption algorithm and a first vehicle end key to generate a corresponding first encapsulation ciphertext and a first ciphertext abstract;
and sending the first encapsulation ciphertext and the first ciphertext abstract to a vehicle-mounted server.
Preferably, the vehicle controller periodically performs vehicle monitoring data acquisition processing according to a preset data acquisition frequency to generate corresponding first vehicle release data, and specifically includes:
the whole vehicle controller periodically sends data acquisition instructions to a mobile communication module, a chassis module, an inertial measurement unit, a driving control module, a power management module and a positioning module of the vehicle according to the data acquisition frequency; and receiving a first communication network type and a first communication network signal strength returned by the mobile communication module; and receiving a first vehicle speed returned by the chassis module; and receiving a first vehicle orientation returned by the inertial measurement unit; and receiving a first vehicle driving mode, a first vehicle gear, a first vehicle brake percentage and a first vehicle accelerator percentage returned by the driving control module; and receiving the percentage of the first vehicle residual electric quantity returned by the power management module; and receiving a first vehicle coordinate returned by the positioning module; extracting vehicle model information from factory information in a vehicle storage module to serve as a corresponding first vehicle model;
The first vehicle model, the first communication network type, the first communication network signal strength, the first vehicle speed, the first vehicle remaining capacity percentage, the first vehicle brake percentage, the first vehicle accelerator percentage, the first vehicle driving mode, the first vehicle gear, the first vehicle orientation and the first vehicle coordinate form corresponding first vehicle monitoring data;
taking the current system time as a corresponding first timestamp; and the first timestamp and the first vehicle monitoring data form corresponding first vehicle release data.
Preferably, the data packaging is performed on the first vehicle release data based on a preset digital summary algorithm, a data encryption and decryption algorithm and a first vehicle end key to generate a corresponding first packaged ciphertext and a first ciphertext summary, and the method specifically includes:
the vehicle controller performs digital summary calculation on the first vehicle release data based on the digital summary algorithm to generate corresponding first digital summary data;
the first vehicle release data and the first digital abstract data form a corresponding first plaintext;
Based on the data encryption and decryption algorithm, carrying out data encryption on the first plaintext by using the first vehicle-end key to generate the corresponding first encapsulation ciphertext;
and carrying out digital digest calculation on the first packaged ciphertext based on the digital digest algorithm to generate the corresponding first ciphertext digest.
A second aspect of an embodiment of the present invention provides a method for processing vehicle monitoring data, the method including:
the vehicle-mounted server receives a first encapsulation ciphertext and a first ciphertext abstract which are sent by the vehicle-mounted controller;
performing digital digest calculation on the first packaging ciphertext based on a preset digital digest algorithm to generate a corresponding first verification digest; if the first check digest is matched with the first ciphertext digest, the stored vehicle identification is used as a corresponding first vehicle identification; and forwarding the first vehicle identifier and the first encapsulation ciphertext to a cloud server.
A third aspect of the embodiment of the present invention provides a method for processing vehicle monitoring data, the method including:
the cloud server receives a first vehicle identifier and a first encapsulation ciphertext sent by the vehicle-mounted server;
inquiring a preset vehicle key list according to the first vehicle identifier to obtain a corresponding first vehicle key;
Performing ciphertext analysis on the first encapsulation ciphertext according to the first vehicle key, a preset digital summary algorithm and a data encryption and decryption algorithm to obtain corresponding second vehicle release data; the second vehicle release data comprises a second timestamp and second vehicle monitoring data; the second vehicle monitoring data comprises a second vehicle model, a second communication network type, a second communication network signal strength, a second vehicle speed, a second vehicle remaining power percentage, a second vehicle brake percentage, a second vehicle accelerator percentage, a second vehicle driving mode, a second vehicle gear, a second vehicle orientation and a second vehicle coordinate;
if the second vehicle release data is not empty, the first vehicle identifier, the second timestamp, the second vehicle model, the second communication network type, the second communication network signal strength, the second vehicle speed, the second vehicle remaining power percentage and the second vehicle brake
The vehicle percentage, the second vehicle throttle percentage, the second vehicle driving mode, the second vehicle 5-gear, the second vehicle orientation and the second vehicle coordinate form a corresponding first cache record;
And sending the first cache record into a preset vehicle monitoring data cache queue.
Preferably, the obtaining the corresponding first vehicle key by querying a preset vehicle key list according to the first vehicle identifier specifically includes:
the cloud server queries a preset vehicle key list according to the first vehicle identifier, and extracts a first vehicle key field of a first vehicle key record, in which a first vehicle identifier field is matched with the first vehicle identifier, in the 0 vehicle key list as a corresponding first vehicle key; the vehicle key list includes a plurality of the first vehicle key records; the first vehicle key record includes the first vehicle identification field and the first vehicle key field.
Preferably, the performing ciphertext analysis on the first encapsulated ciphertext according to the first vehicle key, a preset digital summary algorithm and a data encryption/decryption 5-cipher algorithm to obtain corresponding second vehicle release data specifically includes:
the cloud server uses the first vehicle key to decrypt the first packaging ciphertext to generate a corresponding second plaintext based on the data encryption and decryption algorithm; the second plaintext comprises second vehicle issue data and second digital digest data;
0 performing digital digest calculation on the second vehicle release data based on the digital digest algorithm to generate a corresponding second check digest;
if the second check digest is matched with the second digital digest data, outputting the second vehicle release data as an analysis result; and if the second check digest is not matched with the second digital digest data, emptying the second vehicle release data and outputting the second vehicle release data as an analysis result.
5 preferably, the method further comprises:
the cloud server is also connected with a plurality of vehicle monitoring terminals.
Preferably, the method further comprises:
the cloud server receives a first data subscription instruction sent by the vehicle monitoring terminal; extracting a first subscription vehicle identifier from the first data subscription instruction;
in the vehicle monitoring data cache queue, the first vehicle identifier is matched with the first subscription vehicle identifier, and the first cache record with the second timestamp being farthest from the current time is marked as a corresponding first matched cache record; extracting the first matching cache record as corresponding first subscription data and returning the first subscription data to the vehicle monitoring terminal; and removing the first matching cache record from the vehicle monitoring data cache queue.
A fourth aspect of the embodiment of the present invention provides an apparatus for implementing the method for processing vehicle monitoring data according to the first aspect of the embodiment of the present invention, where the apparatus includes: the device comprises a data acquisition module, a data encapsulation module and a first output module; the device is connected with the vehicle-mounted server;
the data acquisition module is used for periodically carrying out vehicle monitoring data acquisition processing according to a preset data acquisition frequency to generate corresponding first vehicle release data;
the data packaging module is used for carrying out data packaging on the first vehicle release data based on a preset digital summary algorithm, a data encryption and decryption algorithm and a first vehicle end key to generate a corresponding first packaging ciphertext and a first ciphertext summary;
the first output module is used for sending the first encapsulation ciphertext and the first ciphertext abstract to the vehicle-mounted server.
A fifth aspect of the embodiment of the present invention provides an apparatus for implementing the method for processing vehicle monitoring data according to the second aspect of the embodiment of the present invention, where the apparatus includes: the device comprises a first data receiving module, a first data checking module and a second output module; the device is respectively connected with the whole vehicle controller and the cloud server;
The first data receiving module is used for receiving a first encapsulation ciphertext and a first ciphertext abstract which are sent by the whole vehicle controller;
the first data verification module is used for carrying out digital digest calculation on the first packaging ciphertext based on a preset digital digest algorithm to generate a corresponding first verification digest;
the second output module is used for taking the stored vehicle identifier as a corresponding first vehicle identifier when the first check digest is matched with the first ciphertext digest; and forwarding the first vehicle identifier and the first encapsulation ciphertext to a cloud server.
A sixth aspect of the embodiment of the present invention provides an apparatus for implementing the method for processing vehicle monitoring data according to the third aspect of the embodiment of the present invention, where the apparatus includes: the system comprises a second data receiving module, a data analyzing module, a monitoring data publishing module and a monitoring data subscribing module; the device is respectively connected with the vehicle-mounted server and the vehicle monitoring terminal;
the second data receiving module is used for receiving a first vehicle identifier and a first encapsulation ciphertext sent by the vehicle-mounted server;
the data analysis module is used for inquiring a preset vehicle key list according to the first vehicle identifier to obtain a corresponding first vehicle key; performing ciphertext analysis on the first encapsulation ciphertext according to the first vehicle key, a preset digital summary algorithm and a data encryption and decryption algorithm to obtain corresponding second vehicle release data; the second vehicle release data comprises a second timestamp and second vehicle monitoring data; the second vehicle monitoring data comprises a second vehicle model, a second communication network type, a second communication network signal strength, a second vehicle speed, a second vehicle remaining power percentage, a second vehicle brake percentage, a second vehicle accelerator percentage, a second vehicle driving mode, a second vehicle gear, a second vehicle orientation and a second vehicle coordinate;
The monitoring data issuing module is configured to, when the second vehicle issuing data is not empty, form a corresponding first cache record by the first vehicle identifier, the second timestamp, the second vehicle model, the second communication network type, the second communication network signal strength, the second vehicle speed, the second vehicle remaining power percentage, the second vehicle brake percentage, the second vehicle throttle percentage, the second vehicle driving mode, the second vehicle gear, the second vehicle orientation, and the second vehicle coordinate; sending the first cache record into a preset vehicle monitoring data cache queue;
the second data receiving module is also used for receiving a first data subscription instruction sent by the vehicle monitoring terminal; extracting a first subscription vehicle identifier from the first data subscription instruction;
the monitoring data subscribing module is used for marking the first cache record which is farthest from the current time as a corresponding first matched cache record when the first vehicle identifier is matched with the first subscribing vehicle identifier and the second timestamp is in the vehicle monitoring data cache queue; extracting the first matching cache record as corresponding first subscription data and returning the first subscription data to the vehicle monitoring terminal; and removing the first matching cache record from the vehicle monitoring data cache queue.
A seventh aspect of the embodiment of the present invention provides a system for processing vehicle monitoring data, the system including: the device according to the fourth aspect of the embodiment of the present invention, the device according to the fifth aspect of the embodiment of the present invention, and the device according to the sixth aspect of the embodiment of the present invention.
An eighth aspect of the embodiment of the present invention provides a processing unit for vehicle monitoring data, the unit including: at least one processor; and a memory communicatively coupled to the at least one processor; the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the method for processing vehicle monitoring data according to the first aspect of the embodiment of the present invention, the method for processing vehicle monitoring data according to the second aspect of the embodiment of the present invention, or the method for processing vehicle monitoring data according to the third aspect of the embodiment of the present invention.
The embodiment of the invention provides a method, a device, a system and a component for processing vehicle monitoring data; according to the invention, a vehicle-mounted server is arranged at a vehicle end, a cloud server is arranged at a cloud end, and an asynchronous data transmission mechanism based on a vehicle monitoring data cache queue of the cloud end is constructed by a vehicle controller, the vehicle-mounted server and the cloud server; the asynchronous data transmission mechanism takes a vehicle monitoring data cache queue as a message queue, a cloud server distributes vehicle monitoring data which is uploaded by a vehicle server and is collected by a whole vehicle controller into the message queue, and the cloud server pushes the vehicle monitoring data of the message queue to a vehicle monitoring terminal subscribing data according to time sequence, wherein the vehicle monitoring data comprises: vehicle identification, time stamp, vehicle model, communication network type, communication network signal strength, vehicle speed, percentage of vehicle remaining power, percentage of vehicle braking, percentage of vehicle throttle, vehicle driving mode, vehicle gear, vehicle orientation, and vehicle coordinates. The invention solves the problem of data loss monitoring in the conventional synchronous transmission mode.
Drawings
Fig. 1 is a schematic diagram of a method for processing vehicle monitoring data according to a first embodiment of the present invention;
fig. 2 is a schematic diagram of a method for processing vehicle monitoring data according to a second embodiment of the present invention;
fig. 3 is a schematic diagram of a method for processing vehicle monitoring data according to a third embodiment of the present invention;
fig. 4 is a block diagram of a processing device for vehicle monitoring data according to a fourth embodiment of the present invention;
fig. 5 is a block diagram of a processing device for vehicle monitoring data according to a fifth embodiment of the present invention;
fig. 6 is a block diagram of a processing device for vehicle monitoring data according to a sixth embodiment of the present invention;
fig. 7 is a block diagram of a processing system for vehicle monitoring data according to a seventh embodiment of the present invention;
fig. 8 is a block diagram of a processing unit for vehicle monitoring data according to an eighth embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
An embodiment of the present invention provides a method for processing vehicle monitoring data, as shown in fig. 1, which is a schematic diagram of a method for processing vehicle monitoring data according to an embodiment of the present invention, and the method mainly includes the following steps:
the method specifically comprises the following steps: step 11, periodically sending data acquisition instructions to a mobile communication module, a chassis module, an inertial measurement unit, a driving control module, a power management module and a positioning module of the vehicle according to data acquisition frequency; and receiving a first communication network type and a first communication network signal strength returned by the mobile communication module; and receiving a first vehicle speed returned by the chassis module; and receiving a first vehicle orientation returned by the inertial measurement unit; and receiving a first vehicle driving mode, a first vehicle gear, a first vehicle brake percentage and a first vehicle accelerator percentage returned by the driving control module; and receiving the percentage of the first vehicle residual electric quantity returned by the power management module; and receiving the first vehicle coordinate returned by the positioning module; extracting vehicle model information from factory information in a vehicle storage module to serve as a corresponding first vehicle model;
Here, the whole vehicle controller (Vehicle control unit, VCU) of the first embodiment of the present invention is responsible for collecting vehicle monitoring data; the collected data range comprises a vehicle model, a communication network type, a communication network signal strength, a vehicle speed, a vehicle residual capacity percentage, a vehicle brake percentage, a vehicle accelerator percentage, a vehicle driving mode, a vehicle gear, a vehicle orientation and a vehicle coordinate; the vehicle controller can extract the vehicle model from the factory information; each vehicle is provided with a mobile communication module responsible for remote communication, the mobile communication module comprises a communication module such as 4G/5G/LTE/V2X/IOT and the like, the mobile communication module is preset with a communication network type, the communication network type comprises a communication network type such as 4G/5G/LTE/V2X/IOT and the like, the signal intensity of the communication network can be detected through the mobile communication module, and the whole vehicle controller can obtain the corresponding communication network type, the signal intensity of the communication network, namely the first communication network type and the signal intensity of the first communication network by sending a data acquisition instruction to the whole vehicle controller; each vehicle is provided with an automobile chassis module for controlling running, and the real-time speed of the vehicle can be obtained through the feedback of the chassis module, so that the whole vehicle controller obtains the corresponding vehicle speed, namely the first vehicle speed, by sending a data acquisition instruction to the whole vehicle controller; each vehicle is provided with an inertial measurement unit (Inertial Measurement Unit, IMU) for measuring azimuth angle, and the orientation angle of the vehicle can be obtained through the feedback of the inertial measurement unit, so that the whole vehicle controller obtains the corresponding orientation angle, namely the first vehicle orientation, by sending a data acquisition instruction to the whole vehicle controller; each vehicle is provided with a driving control module for controlling the opening and closing percentages (also called accelerator and brake percentages) of accelerator and brake pedals, identifying driving modes (automatic driving modes or manual driving modes) and identifying gear settings (parking gear, reverse gear, driving gear, moving gear and the like), and the accelerator, brake percentages, driving modes and gears of the vehicle can be obtained through feedback of the driving control module, so that the whole vehicle controller obtains corresponding accelerator, brake percentages, driving modes and gears of the first vehicle, namely the first vehicle accelerator percentage, the first vehicle brake percentage, the first vehicle driving mode and the first vehicle gear by sending data acquisition instructions to the whole vehicle controller; each new energy vehicle is provided with a power management module for battery power management, and the percentage of the residual electric quantity of the vehicle battery can be obtained through the feedback of the power management module, so that the whole vehicle controller obtains the corresponding percentage of the residual electric quantity, namely the percentage of the first vehicle residual electric quantity, by sending a data acquisition instruction to the whole vehicle controller; each vehicle is provided with a positioning module for real-time positioning, the positioning module comprises a GPS positioning module and a Beidou positioning module, and real-time positioning coordinates of the vehicle can be obtained through feedback of the positioning module, so that the whole vehicle controller obtains corresponding positioning coordinates, namely first vehicle coordinates, by sending a data acquisition instruction to the whole vehicle controller;
Step 12, forming corresponding first vehicle monitoring data by a first vehicle model, a first communication network type, a first communication network signal strength, a first vehicle speed, a first vehicle residual capacity percentage, a first vehicle brake percentage, a first vehicle accelerator percentage, a first vehicle driving mode, a first vehicle gear, a first vehicle orientation and a first vehicle coordinate;
step 13, taking the current system time as a corresponding first timestamp; and the corresponding first vehicle release data is composed of the first timestamp and the first vehicle monitoring data.
the method specifically comprises the following steps: step 21, performing digital summary calculation on the first vehicle release data based on a digital summary algorithm to generate corresponding first digital summary data;
step 22, composing a corresponding first plaintext from the first vehicle issue data and the first digital summary data;
step 23, based on a data encryption and decryption algorithm, performing data encryption on the first plaintext by using a first vehicle-end key to generate a corresponding first encapsulation ciphertext;
And step 24, performing digital digest calculation on the first packaged ciphertext based on the digital digest algorithm to generate a corresponding first ciphertext digest.
And step 3, sending the first packaged ciphertext and the first ciphertext abstract to the vehicle-mounted server.
The second embodiment of the present invention provides a method for processing vehicle monitoring data, as shown in fig. 2, which is a schematic diagram of a method for processing vehicle monitoring data according to the second embodiment of the present invention, and the method mainly includes the following steps:
and step 101, the vehicle-mounted server receives a first encapsulation ciphertext and a first ciphertext abstract which are sent by the vehicle-mounted controller.
Here, the whole vehicle controller and the vehicle-mounted server in the second embodiment of the present invention are the whole vehicle controller and the vehicle-mounted server in the first embodiment of the present invention; the first encapsulated ciphertext and the first ciphertext abstract received by the vehicle-mounted server in the embodiment of the invention are the first encapsulated ciphertext and the first ciphertext abstract sent by the vehicle controller in the embodiment of the invention.
102, performing digital digest calculation on a first packaging ciphertext based on a preset digital digest algorithm to generate a corresponding first verification digest; if the first check digest is matched with the first ciphertext digest, the stored vehicle identification is used as a corresponding first vehicle identification; and forwarding the first vehicle identifier and the first encapsulation ciphertext to the cloud server.
Here, the digital digest algorithm used by the vehicle-mounted server in the embodiment of the invention is matched with the digital digest algorithm used by the vehicle controller in the first embodiment of the invention; if the first check digest and the first ciphertext digest are matched to indicate that the first encapsulation ciphertext does not have data tampering in the transmission process from the vehicle controller to the vehicle-mounted server, the vehicle-mounted server forwards the first vehicle identifier and the first encapsulation ciphertext to the cloud server; the first vehicle identifier defaults to a vehicle license plate number, and can be set separately according to the practical application situation.
The third embodiment of the present invention provides a method for processing vehicle monitoring data, as shown in fig. 3, which is a schematic diagram of a method for processing vehicle monitoring data according to the third embodiment of the present invention, and the method mainly includes the following steps:
in step 201, the cloud server receives a first vehicle identifier and a first encapsulation ciphertext sent by the vehicle-mounted server.
The cloud server and the vehicle-mounted server in the third embodiment of the present invention are the cloud server and the vehicle-mounted server in the second embodiment of the present invention; the first vehicle identifier and the first encapsulation ciphertext received by the three-cloud server in the embodiment of the invention are the first encapsulation ciphertext and the first ciphertext abstract sent by the vehicle-mounted server in the embodiment of the invention.
the method specifically comprises the following steps: inquiring a preset vehicle key list according to the first vehicle identifier, and extracting a first vehicle key field of a first vehicle key record, of which a first vehicle identifier field is matched with the first vehicle identifier, in the vehicle key list to serve as a corresponding first vehicle key; wherein the vehicle key list comprises a plurality of first vehicle key records; the first vehicle key record includes a first vehicle identification field and a first vehicle key field;
here, each first vehicle key record stored in the vehicle key list corresponds to a monitored vehicle, and the first vehicle key field in the first vehicle key record stores a preset vehicle-end key corresponding to the monitored vehicle, that is, a first vehicle-end key in the first embodiment of the present invention;
the second vehicle monitoring data comprises a second vehicle model, a second communication network type, a second communication network signal strength, a second vehicle speed, a second vehicle remaining capacity percentage, a second vehicle brake percentage, a second vehicle accelerator percentage, a second vehicle driving mode, a second vehicle gear, a second vehicle orientation and a second vehicle coordinate;
The method specifically comprises the following steps: step 2031, based on a data encryption and decryption algorithm, performing data decryption on the first packaged ciphertext by using the first vehicle key to generate a corresponding second plaintext;
wherein the second plaintext comprises second vehicle issue data and second digital digest data;
the data encryption and decryption algorithm in the third embodiment of the present invention is matched with the data encryption and decryption algorithm in the first embodiment of the present invention; the cloud server of the third embodiment of the invention decrypts the first encapsulation ciphertext generated by the whole vehicle controller of the first embodiment of the invention to obtain a second plaintext by using a first vehicle key matched with the first vehicle end key used by the whole vehicle controller of the first embodiment of the invention based on a data encryption and decryption algorithm matched with the data encryption and decryption algorithm used by the whole vehicle controller of the first embodiment of the invention; according to the cloud server in the third embodiment of the invention, the whole vehicle controller in the first embodiment of the invention decomposes the second plaintext in a data combination mode of the first plaintext to obtain corresponding second vehicle release data and second digital abstract data;
step 2032, performing digital digest calculation on the second vehicle release data based on the digital digest algorithm to generate a corresponding second check digest;
The digital digest algorithm of the third embodiment of the present invention is matched with the digital digest algorithm of the first embodiment of the present invention; the cloud server of the third embodiment of the invention performs digital digest calculation on the second vehicle release data based on a digital digest algorithm matched with the digital digest algorithm used by the whole vehicle controller of the first embodiment of the invention to obtain a second check digest; the second check digest should normally match the second digital digest data;
step 2033, outputting the second vehicle issue data as the analysis result if the second check digest matches the second digital digest data; if the second check digest and the second digital digest data are not matched, emptying the second vehicle release data and outputting the second vehicle release data as an analysis result;
Here, the vehicle monitoring data buffer queue in the third embodiment of the present invention is a message queue for processing message publishing and message subscribing; the cloud server in the third embodiment of the invention sends the first cache record into the queue to complete the message publishing operation of the vehicle monitoring data.
It should be noted that, in the third embodiment of the present invention, the cloud server is further connected to a plurality of vehicle monitoring terminals; the method of the third embodiment of the invention further comprises the following steps: the cloud server receives a first data subscription instruction sent by a vehicle monitoring terminal; extracting a first subscription vehicle identifier from the first data subscription instruction; in the vehicle monitoring data cache queue, a first cache record with a first vehicle identifier matched with a first subscription vehicle identifier and a second timestamp farthest from the current time is recorded as a corresponding first matched cache record; extracting the first matching cache record as corresponding first subscription data and returning the first subscription data to the vehicle monitoring terminal; and removing the first matching cache record from the vehicle monitoring data cache queue. The cloud server in the third embodiment of the present invention pushes the vehicle monitoring data of the message queue to the vehicle monitoring terminal subscribing to the data according to the time sequence.
Fig. 4 is a block diagram of a processing device for vehicle monitoring data according to a fourth embodiment of the present invention, as shown in fig. 4, where the device includes: a data acquisition module 401, a data encapsulation module 402 and a first output module 403; the device is connected with the vehicle-mounted server.
The data acquisition module 401 is configured to periodically perform vehicle monitoring data acquisition processing according to a preset data acquisition frequency to generate corresponding first vehicle release data.
The data packaging module 402 is configured to perform data packaging on the first vehicle published data based on a preset digital summary algorithm, a data encryption and decryption algorithm and a first vehicle end key to generate a corresponding first packaged ciphertext and a first ciphertext summary.
The first output module 403 is configured to send the first encapsulated ciphertext and the first ciphertext abstract to the vehicle server.
The processing device for vehicle monitoring data provided in the fourth embodiment of the present invention is configured to execute the steps of the method provided in the first embodiment of the present invention, and its implementation principle and technical effects are similar, and are not described herein again.
Fig. 5 is a block diagram of a processing device for vehicle monitoring data according to a fifth embodiment of the present invention, as shown in fig. 5, where the device includes: a first data receiving module 501, a first data checking module 502 and a second output module 503; the device is a vehicle-mounted server mentioned in the fourth embodiment of the present invention, and the device is respectively connected with a vehicle controller and a cloud server, where the vehicle controller is a processing device provided in the fourth embodiment of the present invention as shown in fig. 4.
The first data receiving module 501 is configured to receive a first encapsulated ciphertext and a first ciphertext abstract that are sent by a vehicle controller.
The first data verification module 502 is configured to perform digital digest calculation on the first packaged ciphertext based on a preset digital digest algorithm to generate a corresponding first verification digest.
The second output module 503 is configured to use the currently stored vehicle identifier as a corresponding first vehicle identifier when the first check digest and the first ciphertext digest match; and forwarding the first vehicle identifier and the first encapsulation ciphertext to the cloud server.
The steps of the method provided in the second embodiment of the present invention are similar to the implementation principle and technical effects, and are not described herein.
Fig. 6 is a block diagram of a processing device for vehicle monitoring data according to a sixth embodiment of the present invention, as shown in fig. 6, where the device includes: a second data receiving module 601, a data parsing module 602, a monitoring data publishing module 603 and a monitoring data subscribing module 604; the device is a cloud server mentioned in the fifth embodiment of the present invention, the device is respectively connected with a vehicle-mounted server and a vehicle monitoring terminal, and the vehicle-mounted server is a processing device provided in the fifth embodiment of the present invention as shown in fig. 5.
The second data receiving module 601 is configured to receive a first vehicle identifier and a first encapsulated ciphertext sent by the vehicle server.
The data parsing module 602 is configured to query a preset vehicle key list according to a first vehicle identifier to obtain a corresponding first vehicle key; performing ciphertext analysis on the first encapsulation ciphertext according to the first vehicle key, a preset digital summary algorithm and a data encryption and decryption algorithm to obtain corresponding second vehicle release data; the second vehicle issue data includes a second timestamp and second vehicle monitoring data; the second vehicle monitoring data includes a second vehicle model, a second communication network type, a second communication network signal strength, a second vehicle speed, a second vehicle remaining power percentage, a second vehicle brake percentage, a second vehicle throttle percentage, a second vehicle driving mode, a second vehicle gear, a second vehicle orientation, and a second vehicle coordinate.
The monitoring data issuing module 603 is configured to, when the second vehicle issued data is not empty, form a corresponding first cache record from the first vehicle identifier, the second timestamp, the second vehicle model, the second communication network type, the second communication network signal strength, the second vehicle speed, the second vehicle remaining power percentage, the second vehicle brake percentage, the second vehicle throttle percentage, the second vehicle driving mode, the second vehicle gear, the second vehicle orientation, and the second vehicle coordinate; and sending the first cache record into a preset vehicle monitoring data cache queue.
The second data receiving module 601 is further configured to receive a first data subscription instruction sent by the vehicle monitoring terminal; and extracting the first subscription vehicle identification from the first data subscription instruction.
The monitoring data subscribing module 604 is configured to record, in the vehicle monitoring data cache queue, a first cache record in which a first vehicle identifier is matched with a first subscribed vehicle identifier and a second timestamp is farthest from the current time as a corresponding first matched cache record; extracting the first matching cache record as corresponding first subscription data and returning the first subscription data to the vehicle monitoring terminal; and removing the first matching cache record from the vehicle monitoring data cache queue.
The processing device for vehicle monitoring data provided in the sixth embodiment of the present invention is configured to execute the steps of the method provided in the third embodiment of the present invention, and the implementation principle and the technical effects are similar, and are not described herein again.
It should be noted that, it should be understood that the division of the modules of the above apparatus is merely a division of a logic function, and may be fully or partially integrated into a physical entity or may be physically separated. And these modules may all be implemented in software in the form of calls by the processing element; or can be realized in hardware; the method can also be realized in a form of calling software by a processing element, and the method can be realized in a form of hardware by a part of modules. For example, the data acquisition module may be a processing element that is set up separately, may be implemented in a chip of the above apparatus, or may be stored in a memory of the above apparatus in the form of program codes, and may be called by a processing element of the above apparatus and execute the functions of the above acquisition module. The implementation of the other modules is similar. In addition, all or part of the modules can be integrated together or can be independently implemented. The processing element described herein may be an integrated circuit having signal processing capabilities. In the implementation process, each step of the method provided by the embodiment of the present invention or each module of the apparatus provided by the embodiment of the present invention may be implemented by an integrated logic circuit of hardware in a processor element or an instruction in a software form.
For example, a module of an apparatus provided by an embodiment of the present invention may be one or more integrated circuits configured to perform a method provided by an embodiment of the present invention, for example: one or more specific integrated circuits (Application Specific Integrated Circuit, ASIC), or one or more digital signal processors (Digital Signal Processor, DSP), or one or more field programmable gate arrays (Field Programmable Gate Array, FPGA), etc. For another example, when a module of an apparatus provided in an embodiment of the present invention is implemented in the form of a processing element scheduler code, the processing element may be a general-purpose processor, such as a central processing unit (Central Processing Unit, CPU) or other processor that may invoke the program code. For another example, the modules of the apparatus provided by the embodiments of the present invention may be integrated together and implemented in the form of a System-on-a-chip (SOC).
In the above embodiments, it may be implemented in whole or in part by software, hardware, firmware, or any combination thereof. When implemented in software, may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When loaded and executed on a computer, produces, in whole or in part, the processes or functions described in terms of the methods provided by embodiments of the present invention. The computer may be a general purpose computer, a special purpose computer, a computer network, or other programmable apparatus. The computer instructions may be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another computer-readable storage medium, for example, the computer instructions may be transmitted from one website, computer, server, or data center to another website, computer, server, or data center by wired (e.g., coaxial cable, fiber optic, digital subscriber line ((Digital Subscriber Line, DSL)), or wireless (e.g., infrared, wireless, bluetooth, microwave, etc.) means, the computer-readable storage medium may be any available medium that can be accessed by the computer or a data storage device such as a server, data center, etc., that contains an integration of one or more available media, the available media may be magnetic media (e.g., floppy disk, hard disk, tape), optical media (e.g., high-density digital video disc (Digital Video Disc, DVD)), or semiconductor media (e.g., solid state disk), etc.
Fig. 7 is a block diagram of a processing system for vehicle monitoring data according to a seventh embodiment of the present invention. As shown in fig. 7, the system may specifically include: the vehicle control unit 701, the vehicle-mounted server 702 and the cloud server 703; the whole vehicle controller 701 is connected with the vehicle-mounted server 702, and the vehicle-mounted server 702 is connected with the cloud server 703; the cloud server 703 is connected to a vehicle monitoring terminal 800 outside the system. The vehicle controller 701 is a processing device provided in the fourth embodiment of the present method as shown in fig. 4, the vehicle-mounted server 702 is a processing device provided in the fifth embodiment of the present method as shown in fig. 5, and the cloud server 703 is a processing device provided in the sixth embodiment of the present method as shown in fig. 6.
Fig. 8 is a block diagram of a processing unit for vehicle monitoring data according to an eighth embodiment of the present invention. The component is an electronic component, an electronic device or a server for implementing the method provided in the first embodiment of the present invention, the method provided in the second embodiment of the present invention, or the method provided in the third embodiment of the present invention. As shown in fig. 8, the component may include: a processor 901 (e.g., a CPU) and a memory 902; the memory 902 stores instructions executable by the at least one processor 901, the instructions being executable by the at least one processor 901 to enable the at least one processor 901 to perform a method as provided in embodiment one, or a method as provided in embodiment two, or a method as provided in embodiment three. Preferably, the component according to the eighth embodiment of the present invention may further include: a transceiver 903, a power supply 904, a system bus 905, and a communications port 906. The transceiver 903 is coupled to the processor 901, and the system bus 905 is used to implement communication connections between elements, and the communication ports 906 are used for connection communication between the components and other peripherals.
The system bus referred to in fig. 8 may be a peripheral component interconnect standard (Peripheral Component Interconnect, PCI) bus, or an extended industry standard architecture (Extended Industry Standard Architecture, EISA) bus, or the like. The system bus may be classified into an address bus, a data bus, a control bus, and the like. For ease of illustration, the figures are shown with only one bold line, but not with only one bus or one type of bus. The communication interface is used to enable communication between the database access apparatus and other devices (e.g., clients, read-write libraries, and read-only libraries). The Memory may comprise random access Memory (Random Access Memory, RAM) and may also include Non-Volatile Memory (Non-Volatile Memory), such as at least one disk Memory.
The processor may be a general-purpose processor, including a Central Processing Unit (CPU), a network processor (Network Processor, NP), etc.; but may also be a digital signal processor DSP, an application specific integrated circuit ASIC, a field programmable gate array FPGA or other programmable logic device, a discrete gate or transistor logic device, a discrete hardware component.
The embodiment of the invention provides a method, a device, a system and a component for processing vehicle monitoring data; according to the invention, a vehicle-mounted server is arranged at a vehicle end, a cloud server is arranged at a cloud end, and an asynchronous data transmission mechanism based on a vehicle monitoring data cache queue of the cloud end is constructed by a vehicle controller, the vehicle-mounted server and the cloud server; the asynchronous data transmission mechanism takes a vehicle monitoring data cache queue as a message queue, a cloud server distributes vehicle monitoring data which is uploaded by a vehicle server and is collected by a whole vehicle controller into the message queue, and the cloud server pushes the vehicle monitoring data of the message queue to a vehicle monitoring terminal subscribing data according to time sequence, wherein the vehicle monitoring data comprises: vehicle identification, time stamp, vehicle model, communication network type, communication network signal strength, vehicle speed, percentage of vehicle remaining power, percentage of vehicle braking, percentage of vehicle throttle, vehicle driving mode, vehicle gear, vehicle orientation, and vehicle coordinates. The invention solves the problem of data loss monitoring in the conventional synchronous transmission mode.
Those of skill would further appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that the various illustrative elements and steps are described above generally in terms of function in order to clearly illustrate the interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
The steps of a method or algorithm described in connection with the embodiments disclosed herein may be embodied in hardware, in a software module executed by a processor, or in a combination of the two. The software modules may be disposed in Random Access Memory (RAM), memory, read Only Memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art.
The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the invention, and is not meant to limit the scope of the invention, but to limit the invention to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (14)
1. A method of processing vehicle monitoring data, the method comprising:
the vehicle control unit periodically performs vehicle monitoring data acquisition processing according to preset data acquisition frequency to generate corresponding first vehicle release data;
performing data encapsulation on the first vehicle release data based on a preset digital abstract algorithm, a data encryption and decryption algorithm and a first vehicle end key to generate a corresponding first encapsulation ciphertext and a first ciphertext abstract;
and sending the first encapsulation ciphertext and the first ciphertext abstract to a vehicle-mounted server.
2. The method for processing vehicle monitoring data according to claim 1, wherein the vehicle controller periodically performs vehicle monitoring data acquisition processing according to a preset data acquisition frequency to generate corresponding first vehicle release data, specifically comprising:
the whole vehicle controller periodically sends data acquisition instructions to a mobile communication module, a chassis module, an inertial measurement unit, a driving control module, a power management module and a positioning module of the vehicle according to the data acquisition frequency; and receiving a first communication network type and a first communication network signal strength returned by the mobile communication module; and receiving a first vehicle speed returned by the chassis module; and receiving a first vehicle orientation returned by the inertial measurement unit; and receiving a first vehicle driving mode, a first vehicle gear, a first vehicle brake percentage and a first vehicle accelerator percentage returned by the driving control module; and receiving the percentage of the first vehicle residual electric quantity returned by the power management module; and receiving a first vehicle coordinate returned by the positioning module; extracting vehicle model information from factory information in a vehicle storage module to serve as a corresponding first vehicle model;
The first vehicle model, the first communication network type, the first communication network signal strength, the first vehicle speed, the first vehicle remaining capacity percentage, the first vehicle brake percentage, the first vehicle accelerator percentage, the first vehicle driving mode, the first vehicle gear, the first vehicle orientation and the first vehicle coordinate form corresponding first vehicle monitoring data;
taking the current system time as a corresponding first timestamp; and the first timestamp and the first vehicle monitoring data form corresponding first vehicle release data.
3. The method for processing vehicle monitoring data according to claim 1, wherein the data packaging is performed on the first vehicle published data based on a preset digital digest algorithm, a data encryption and decryption algorithm and a first vehicle terminal key to generate a corresponding first packaged ciphertext and a first ciphertext digest, and the method specifically comprises:
the vehicle controller performs digital summary calculation on the first vehicle release data based on the digital summary algorithm to generate corresponding first digital summary data;
the first vehicle release data and the first digital abstract data form a corresponding first plaintext;
Based on the data encryption and decryption algorithm, carrying out data encryption on the first plaintext by using the first vehicle-end key to generate the corresponding first encapsulation ciphertext;
and carrying out digital digest calculation on the first packaged ciphertext based on the digital digest algorithm to generate the corresponding first ciphertext digest.
4. A method of processing vehicle monitoring data, the method comprising:
the vehicle-mounted server receives a first encapsulation ciphertext and a first ciphertext abstract which are sent by the vehicle-mounted controller;
performing digital digest calculation on the first packaging ciphertext based on a preset digital digest algorithm to generate a corresponding first verification digest; if the first check digest is matched with the first ciphertext digest, the stored vehicle identification is used as a corresponding first vehicle identification; and forwarding the first vehicle identifier and the first encapsulation ciphertext to a cloud server.
5. A method of processing vehicle monitoring data, the method comprising:
the cloud server receives a first vehicle identifier and a first encapsulation ciphertext sent by the vehicle-mounted server;
inquiring a preset vehicle key list according to the first vehicle identifier to obtain a corresponding first vehicle key;
Performing ciphertext analysis on the first encapsulation ciphertext according to the first vehicle key, a preset digital summary algorithm and a data encryption and decryption algorithm to obtain corresponding second vehicle release data; the second vehicle release data comprises a second timestamp and second vehicle monitoring data; the second vehicle monitoring data comprises a second vehicle model, a second communication network type, a second communication network signal strength, a second vehicle speed, a second vehicle remaining power percentage, a second vehicle brake percentage, a second vehicle accelerator percentage, a second vehicle driving mode, a second vehicle gear, a second vehicle orientation and a second vehicle coordinate;
if the second vehicle release data is not empty, forming a corresponding first cache record by the first vehicle identifier, the second timestamp, the second vehicle model, the second communication network type, the second communication network signal strength, the second vehicle speed, the second vehicle remaining power percentage, the second vehicle brake percentage, the second vehicle throttle percentage, the second vehicle driving mode, the second vehicle gear, the second vehicle direction and the second vehicle coordinate; and sending the first cache record into a preset vehicle monitoring data cache queue.
6. The method for processing vehicle monitoring data according to claim 5, wherein the querying a preset vehicle key list according to the first vehicle identifier obtains a corresponding first vehicle key, specifically comprising:
the cloud server queries a preset vehicle key list according to the first vehicle identifier, and extracts a first vehicle key field of a first vehicle key record, in which a first vehicle identifier field is matched with the first vehicle identifier, in the vehicle key list as a corresponding first vehicle key; the vehicle key list includes a plurality of the first vehicle key records; the first vehicle key record includes the first vehicle identification field and the first vehicle key field.
7. The method for processing vehicle monitoring data according to claim 5, wherein the performing ciphertext analysis on the first encapsulated ciphertext according to the first vehicle key, a preset digital digest algorithm and a data encryption/decryption algorithm to obtain corresponding second vehicle release data specifically includes:
the cloud server uses the first vehicle key to decrypt the first packaging ciphertext to generate a corresponding second plaintext based on the data encryption and decryption algorithm; the second plaintext comprises second vehicle issue data and second digital digest data;
Performing digital digest calculation on the second vehicle release data based on the digital digest algorithm to generate a corresponding second check digest;
if the second check digest is matched with the second digital digest data, outputting the second vehicle release data as an analysis result; and if the second check digest is not matched with the second digital digest data, emptying the second vehicle release data and outputting the second vehicle release data as an analysis result.
8. The method for processing vehicle monitoring data according to claim 5, characterized in that the method further comprises:
the cloud server is also connected with a plurality of vehicle monitoring terminals.
9. The method for processing vehicle monitoring data according to claim 8, characterized in that the method further comprises:
the cloud server receives a first data subscription instruction sent by the vehicle monitoring terminal; extracting a first subscription vehicle identifier from the first data subscription instruction;
in the vehicle monitoring data cache queue, the first vehicle identifier is matched with the first subscription vehicle identifier, and the first cache record with the second timestamp being farthest from the current time is marked as a corresponding first matched cache record; extracting the first matching cache record as corresponding first subscription data and returning the first subscription data to the vehicle monitoring terminal; and removing the first matching cache record from the vehicle monitoring data cache queue.
10. An apparatus for implementing the method of processing vehicle monitoring data according to any one of claims 1 to 3, characterized in that the apparatus comprises: the device comprises a data acquisition module, a data encapsulation module and a first output module; the device is connected with the vehicle-mounted server;
the data acquisition module is used for periodically carrying out vehicle monitoring data acquisition processing according to a preset data acquisition frequency to generate corresponding first vehicle release data;
the data packaging module is used for carrying out data packaging on the first vehicle release data based on a preset digital summary algorithm, a data encryption and decryption algorithm and a first vehicle end key to generate a corresponding first packaging ciphertext and a first ciphertext summary;
the first output module is used for sending the first encapsulation ciphertext and the first ciphertext abstract to the vehicle-mounted server.
11. An apparatus for implementing the method for processing vehicle monitoring data according to claim 4, characterized in that the apparatus comprises: the device comprises a first data receiving module, a first data checking module and a second output module; the device is respectively connected with the whole vehicle controller and the cloud server;
the first data receiving module is used for receiving a first encapsulation ciphertext and a first ciphertext abstract which are sent by the whole vehicle controller;
The first data verification module is used for carrying out digital digest calculation on the first packaging ciphertext based on a preset digital digest algorithm to generate a corresponding first verification digest;
the second output module is used for taking the stored vehicle identifier as a corresponding first vehicle identifier when the first check digest is matched with the first ciphertext digest; and forwarding the first vehicle identifier and the first encapsulation ciphertext to a cloud server.
12. An apparatus for implementing the method of processing vehicle monitoring data according to any one of claims 5 to 9, characterized in that the apparatus comprises: the system comprises a second data receiving module, a data analyzing module, a monitoring data publishing module and a monitoring data subscribing module; the device is respectively connected with the vehicle-mounted server and the vehicle monitoring terminal;
the second data receiving module is used for receiving a first vehicle identifier and a first encapsulation ciphertext sent by the vehicle-mounted server;
the data analysis module is used for inquiring a preset vehicle key list according to the first vehicle identifier to obtain a corresponding first vehicle key; performing ciphertext analysis on the first encapsulation ciphertext according to the first vehicle key, a preset digital summary algorithm and a data encryption and decryption algorithm to obtain corresponding second vehicle release data; the second vehicle release data comprises a second timestamp and second vehicle monitoring data; the second vehicle monitoring data comprises a second vehicle model, a second communication network type, a second communication network signal strength, a second vehicle speed, a second vehicle remaining power percentage, a second vehicle brake percentage, a second vehicle accelerator percentage, a second vehicle driving mode, a second vehicle gear, a second vehicle orientation and a second vehicle coordinate;
The monitoring data issuing module is configured to, when the second vehicle issuing data is not empty, form a corresponding first cache record by the first vehicle identifier, the second timestamp, the second vehicle model, the second communication network type, the second communication network signal strength, the second vehicle speed, the second vehicle remaining power percentage, the second vehicle brake percentage, the second vehicle throttle percentage, the second vehicle driving mode, the second vehicle gear, the second vehicle orientation, and the second vehicle coordinate; sending the first cache record into a preset vehicle monitoring data cache queue;
the second data receiving module is also used for receiving a first data subscription instruction sent by the vehicle monitoring terminal; extracting a first subscription vehicle identifier from the first data subscription instruction;
the monitoring data subscribing module is used for marking the first cache record which is farthest from the current time as a corresponding first matched cache record when the first vehicle identifier is matched with the first subscribing vehicle identifier and the second timestamp is in the vehicle monitoring data cache queue; extracting the first matching cache record as corresponding first subscription data and returning the first subscription data to the vehicle monitoring terminal; and removing the first matching cache record from the vehicle monitoring data cache queue.
13. A system for processing vehicle monitoring data, the system comprising: the device of claim 10, the device of claim 11 and the device of claim 12.
14. A processing component for vehicle monitoring data, the component comprising: at least one processor; and a memory communicatively coupled to the at least one processor; wherein the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the method of processing vehicle monitoring data as claimed in any one of claims 1 to 3, or the method of processing vehicle monitoring data as claimed in claim 4, or the method of processing vehicle monitoring data as claimed in any one of claims 5 to 9.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117560227A (en) * | 2024-01-10 | 2024-02-13 | 深圳市博昌智控科技有限公司 | Intelligent traffic message encryption transmission method, device, equipment and storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117560227A (en) * | 2024-01-10 | 2024-02-13 | 深圳市博昌智控科技有限公司 | Intelligent traffic message encryption transmission method, device, equipment and storage medium |
| CN117560227B (en) * | 2024-01-10 | 2024-04-09 | 深圳市博昌智控科技有限公司 | Intelligent traffic message encryption transmission method, device, equipment and storage medium |
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