CN113806067B - Safety data verification method, device, equipment and medium based on vehicle-to-vehicle communication - Google Patents
Safety data verification method, device, equipment and medium based on vehicle-to-vehicle communication Download PDFInfo
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- CN113806067B CN113806067B CN202110856638.5A CN202110856638A CN113806067B CN 113806067 B CN113806067 B CN 113806067B CN 202110856638 A CN202110856638 A CN 202110856638A CN 113806067 B CN113806067 B CN 113806067B
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- 238000000034 method Methods 0.000 title claims abstract description 41
- 231100000279 safety data Toxicity 0.000 title claims abstract description 28
- 238000004891 communication Methods 0.000 title claims abstract description 18
- 238000013524 data verification Methods 0.000 title claims abstract description 14
- 238000012545 processing Methods 0.000 claims abstract description 99
- 238000004590 computer program Methods 0.000 claims description 8
- 238000012795 verification Methods 0.000 claims description 6
- 238000004364 calculation method Methods 0.000 claims description 4
- 238000013500 data storage Methods 0.000 claims description 3
- 230000007547 defect Effects 0.000 abstract description 3
- 238000004422 calculation algorithm Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/46—Multiprogramming arrangements
- G06F9/50—Allocation of resources, e.g. of the central processing unit [CPU]
- G06F9/5005—Allocation of resources, e.g. of the central processing unit [CPU] to service a request
- G06F9/5027—Allocation of resources, e.g. of the central processing unit [CPU] to service a request the resource being a machine, e.g. CPUs, Servers, Terminals
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/451—Execution arrangements for user interfaces
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/12—Applying verification of the received information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
Abstract
The invention relates to a safety data verification method, a device, equipment and a medium based on vehicle-to-vehicle communication, wherein the method comprises the following steps: step S 1 Respectively initializing a GPU data processing module and a CPU data processing module; step S 2 Initializing a network port; step S 3 Acquiring data of safe operation; step S 4 Processing the data of the safe operation by using a GPU and a CPU respectively; step S 5 Storing the data processing result of the GPU in a storage space of the GPU, and storing the data processing result of the CPU in a CPU cache; step S 6 Processing the data processing result stored in the GPU into display characters by the GPU, and processing the data processing result stored in the CPU into display characters by the CPU; step S 7 And displaying the display characters processed by the GPU in the GPU display area, and displaying the display characters processed by the CPU in the CPU display area. Compared with the prior art, the method has the advantages that the defect that the common mode failure of hardware cannot be completely avoided in the existing safety software is overcome.
Description
Technical Field
The invention relates to a rail transit signal system, in particular to a safety data verification method, device, equipment and medium based on vehicle-to-vehicle communication.
Background
Currently, security operation software is an important subsystem in an automatic train monitoring system (ATS) based on train-to-train communication, and the ATS system based on train-to-train communication performs various security operations through the security operation software. The security operation software provides a security operation interface and verifies security data.
The security operation software mainly adopts different algorithms and different coding modes to verify security data, and in order to avoid common mode failure of hardware, a plurality of servers and a plurality of CPUs are sometimes used for calculation respectively. However, this method is still performed on the same hardware, and common mode failure of the hardware cannot be completely eliminated.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a safety data verification method, device, equipment and medium based on vehicle-to-vehicle communication.
The aim of the invention can be achieved by the following technical scheme:
according to a first aspect of the present invention, there is provided a security data verification method based on vehicle-to-vehicle communication, the method comprising the steps of:
step S 1 Respectively initializing a GPU data processing module and a CPU data processing module;
step S 2 Initializing a network port;
step S 3 Acquiring data of safe operation;
step S 4 Processing the data of the safe operation by using a GPU and a CPU respectively;
step S 5 Storing the data processing result of the GPU in a storage space of the GPU, and storing the data processing result of the CPU in a CPU cache;
step S 6 Processing the data processing result stored in the GPU into display text by the GPU, and processing the display text by the CPU processes the data processing result stored in the CPU into display characters;
step S 7 And displaying the display characters processed by the GPU in the GPU display area, and displaying the display characters processed by the CPU in the CPU display area.
As a preferred embodiment, the step S 1 The method comprises the following steps:
step S 11 Respectively loading a GPU data processing configuration file and a CPU data processing configuration file;
step S 12 The GPU and the CPU respectively process the configuration files;
step S 13 The GPU and CPU store respective configuration information.
As a preferred embodiment, the step S 4 The method comprises the following steps:
step S 41 Calculating a check code of the safety data;
step S 42 Verifying the safety data according to the verification code and the configuration information;
step S 43 And acquiring a safety command execution result.
As a preferred embodiment, the step S 3 The method comprises the following steps: data for secure operations is obtained from the network.
According to a second aspect of the present invention, there is provided a security data verification apparatus based on vehicle-to-vehicle communication, the apparatus comprising:
the device initialization module is used for initializing the GPU data processing module and the CPU data processing module respectively;
the network initialization module is used for initializing the network port;
the data acquisition module is used for acquiring data of the safety operation;
the data processing module is used for processing the data of the safety operation by using the GPU and the CPU respectively;
the data storage module is used for storing the data processing result of the GPU in the storage space of the GPU and storing the data processing result of the CPU in the CPU cache;
a display word processing module for processing the data processing result stored in the GPU into display words by the GPU and processing the data processing result stored in the CPU into display words by the CPU
And the data module is used for displaying the display characters processed by the GPU in the GPU display area and displaying the display characters processed by the CPU in the CPU display area.
As a preferred technical solution, the device initialization module includes:
the data loading unit is used for loading the GPU data processing configuration file and the CPU data processing configuration file respectively;
the configuration file processing unit is used for respectively processing the configuration files of the GPU and the CPU;
and the configuration information storage unit is used for storing the respective configuration information by the GPU and the CPU.
As a preferred technical solution, the data processing module includes:
the check code calculation unit is used for calculating the check code of the safety data;
the safety data verification unit is used for verifying safety data according to the verification code and the configuration information;
and the result acquisition unit is used for acquiring the execution result of the security command.
As a preferable technical scheme, the data acquisition module acquires data of the security operation from the network.
According to a third aspect of the present invention there is provided an electronic device comprising a memory and a processor, the memory having stored thereon a computer program, the processor implementing the method when executing the program.
According to a fourth aspect of the present invention there is provided a computer readable storage medium having stored thereon a computer program which when executed by a processor implements the method.
Compared with the prior art, the invention has the following advantages:
1. the invention checks the safety data in hardware with completely different architectures, and overcomes the defect that the common mode failure of the hardware cannot be completely avoided in the existing safety software;
2. the invention adopts different coding modes aiming at different hardware, thereby avoiding common mode failure in coding language;
3. according to the invention, different algorithms are respectively adopted for the safety data processing on two hardware, so that common mode failure of algorithm design is avoided;
4. the invention adopts the GPU as the hardware for processing the second type of safety data, and can accelerate the processing of the safety data by utilizing the acceleration technology of the GPU.
Drawings
Fig. 1 is a flow chart of the operation of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
bool Init()
{
Method and apparatus for initializing/initializing a GPU data processing environment
InitGPUEnvirenment()；
Method and apparatus for initializing CPU data processing environment
InitCPUEnvirenment()；
return true；
}
bool ProcessSafetyData()
{
Data input/output to GPU task queue
ProcessDataInGPUTask()；
Data placement into CPU task queues
ProcessDataInCPUTask()；
return true；
}
As shown in fig. 1, the method specifically comprises the following steps:
step S1, respectively initializing a GPU data processing module and a CPU data processing module;
step S2, initializing a network port;
s3, acquiring data of the safety operation, and acquiring the data of the safety operation from a network;
s4, processing the data of the safety operation by using a GPU and a CPU respectively;
step S5, storing the data processing result of the GPU in a storage space of the GPU, and storing the data processing result of the CPU in a CPU cache;
step S6, processing the data processing result stored in the GPU into display characters by the GPU, and processing the data processing result stored in the CPU into display characters by the CPU
And S7, displaying the display characters processed by the GPU in a GPU display area, and displaying the display characters processed by the CPU in the CPU display area.
The step S1 specifically comprises the following steps:
step S11, respectively loading a GPU data processing configuration file and a CPU data processing configuration file;
step S12, the GPU and the CPU respectively process the configuration files;
step S13, the GPU and the CPU store the respective configuration information.
The step S4 specifically comprises the following steps:
step S41, calculating a check code of the safety data;
step S42, verifying the safety data according to the verification code and the configuration information;
step S43, a safety command execution result is obtained.
The step S3 specifically comprises the following steps: data for secure operations is obtained from the network.
The above description of the method embodiments further describes the solution of the present invention by means of device embodiments.
The invention relates to a safety data verification device based on vehicle-to-vehicle communication, which comprises:
the device initialization module is used for initializing the GPU data processing module and the CPU data processing module respectively;
the network initialization module is used for initializing the network port;
the data acquisition module is used for acquiring data of the safety operation;
the data processing module is used for processing the data of the safety operation by using the GPU and the CPU respectively;
the data storage module is used for storing the data processing result of the GPU in the storage space of the GPU and storing the data processing result of the CPU in the CPU cache;
a display word processing module for processing the data processing result stored in the GPU into display words by the GPU and processing the data processing result stored in the CPU into display words by the CPU
And the data module is used for displaying the display characters processed by the GPU in the GPU display area and displaying the display characters processed by the CPU in the CPU display area.
The device initialization module comprises: :
the data loading unit is used for loading the GPU data processing configuration file and the CPU data processing configuration file respectively;
the configuration file processing unit is used for respectively processing the configuration files of the GPU and the CPU;
and the configuration information storage unit is used for storing the respective configuration information by the GPU and the CPU.
As a preferred technical solution, the data processing module includes:
the check code calculation unit is used for calculating the check code of the safety data;
the safety data verification unit is used for verifying safety data according to the verification code and the configuration information;
and the result acquisition unit is used for acquiring the execution result of the security command.
The data acquisition module acquires data of security operation from a network.
It will be clear to those skilled in the art that, for convenience and brevity of description, specific working procedures of the described modules may refer to corresponding procedures in the foregoing method embodiments, which are not described herein again.
The electronic device of the present invention includes a Central Processing Unit (CPU) that can perform various appropriate actions and processes according to computer program instructions stored in a Read Only Memory (ROM) or computer program instructions loaded from a storage unit into a Random Access Memory (RAM), while the CPU is responsible for writing program instructions and data into a Graphics Processing Unit (GPU) core. In the RAM, various programs and data required for the operation of the device can also be stored. In the GPU, data processing program instructions of the kernel program and required data are stored, and the GPU processes security data according to the stored data and instructions. CPU, GPU, ROM and RAM are connected to each other by a bus. An input/output (I/O) interface is also connected to the bus.
A plurality of components in a device are connected to an I/O interface, comprising: an input unit such as a keyboard, a mouse, etc.; an output unit such as various types of displays, speakers, and the like; a storage unit such as a magnetic disk, an optical disk, or the like; and communication units such as network cards, modems, wireless communication transceivers, and the like. The communication unit allows the device to exchange information/data with other devices via a computer network, such as the internet, and/or various telecommunication networks.
The processing unit performs the respective methods and processes described above, for example, the methods S1 to S7. For example, in some embodiments, methods S1-S7 may be implemented as a computer software program tangibly embodied on a machine-readable medium, such as a storage unit. In some embodiments, part or all of the computer program may be loaded and/or installed onto the device via the ROM and/or the communication unit. When the computer program is loaded into RAM and executed by the CPU, one or more steps of the methods S1 to S7 described above may be performed. Alternatively, in other embodiments, the CPU may be configured to perform methods S1-S7 by any other suitable means (e.g., by means of firmware).
The functions described above herein may be performed, at least in part, by one or more hardware logic components. For example, without limitation, exemplary types of hardware logic components that may be used include: a Field Programmable Gate Array (FPGA), an Application Specific Integrated Circuit (ASIC), an Application Specific Standard Product (ASSP), a system on a chip (SOC), a load programmable logic device (CPLD), etc.
Program code for carrying out methods of the present invention may be written in any combination of one or more programming languages. These program code may be provided to a processor or controller of a general purpose computer, special purpose computer, or other programmable data processing apparatus such that the program code, when executed by the processor or controller, causes the functions/operations specified in the flowchart and/or block diagram to be implemented. The program code may execute entirely on the machine, partly on the machine, as a stand-alone software package, partly on the machine and partly on a remote machine or entirely on the remote machine or server.
In the context of the present invention, a machine-readable medium may be a tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device. The machine-readable medium may be a machine-readable signal medium or a machine-readable storage medium. The machine-readable medium may include, but is not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any suitable combination of the foregoing. More specific examples of a machine-readable storage medium would include an electrical connection based on one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.
While the invention has been described with reference to certain preferred embodiments, it will be understood by those skilled in the art that various changes and substitutions of equivalents may be made and equivalents will be apparent to those skilled in the art without departing from the scope of the invention. Therefore, the protection scope of the invention is subject to the protection scope of the claims.
Claims (6)
1. The safety data verification method based on vehicle-to-vehicle communication is characterized by comprising the following steps of:
step S 1 Respectively initializing a GPU data processing module and a CPU data processing module;
step S 2 Initializing a network port;
step S 3 Acquiring data of safe operation;
step S 4 Processing the data of the safe operation by using a GPU and a CPU respectively;
step S 5 Storing the data processing result of the GPU in a storage space of the GPU, and storing the data processing result of the CPU in a CPU cache;
step S 6 Processing the data processing result stored in the GPU into display characters by the GPU, and processing the data processing result stored in the CPU into display characters by the CPU;
step S 7 Displaying the display characters processed by the GPU in a GPU display area, and displaying the display characters processed by the CPU in the CPU display area;
said step S 1 The method comprises the following steps:
step S 11 Respectively loading a GPU data processing configuration file and a CPU data processing configuration file;
step S 12 The GPU and the CPU respectively process the configuration files;
step S 13 The GPU and the CPU store respective configuration information;
said step S 4 The method comprises the following steps:
step S 41 Calculating a check code of the safety data;
step S 42 Verifying the safety data according to the verification code and the configuration information;
step S 43 And acquiring a safety command execution result.
2. The method for verifying safety data based on vehicle-to-vehicle communication according to claim 1, wherein the step S 3 The method comprises the following steps: secure acquisition from a networkOperational data.
3. A security data verification device based on vehicle-to-vehicle communication, the device comprising:
the device initialization module is used for initializing the GPU data processing module and the CPU data processing module respectively;
the network initialization module is used for initializing the network port;
the data acquisition module is used for acquiring data of the safety operation;
the data processing module is used for processing the data of the safety operation by using the GPU and the CPU respectively;
the data storage module is used for storing the data processing result of the GPU in the storage space of the GPU and storing the data processing result of the CPU in the CPU cache;
a display word processing module for processing the data processing result stored in the GPU into display words by the GPU and processing the data processing result stored in the CPU into display words by the CPU
The data module is used for displaying the display characters processed by the GPU in the GPU display area and displaying the display characters processed by the CPU in the CPU display area;
the device initialization module comprises:
the data loading unit is used for loading the GPU data processing configuration file and the CPU data processing configuration file respectively;
the configuration file processing unit is used for respectively processing the configuration files of the GPU and the CPU;
the configuration information storage unit is used for storing respective configuration information by the GPU and the CPU;
the data processing module comprises:
the check code calculation unit is used for calculating the check code of the safety data;
the safety data verification unit is used for verifying safety data according to the verification code and the configuration information;
and the result acquisition unit is used for acquiring the execution result of the security command.
4. A safety data verification device based on vehicle-to-vehicle communication according to claim 3, wherein the data acquisition module acquires safety operation data from a network.
5. An electronic device comprising a memory and a processor, the memory having stored thereon a computer program, characterized in that the processor, when executing the program, implements the method according to any of claims 1-2.
6. A computer readable storage medium, on which a computer program is stored, characterized in that the program, when being executed by a processor, implements the method according to any one of claims 1-2.
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