CN112989392B - Battlefield situation perception method, system and terminal equipment - Google Patents

Abstract

The present invention is applicable to the field of electronic information technology, and provides a battlefield situational awareness method, system and terminal device, wherein the method includes: a first device collects first battlefield information where the first device is located; the first device Perform hash processing on the first battlefield information to obtain a first hash value; the first device encrypts the first battlefield information, the first hash value and the first device's information according to a preset algorithm. the first identification, and broadcast the encrypted ciphertext in the blockchain network; the second device decrypts the ciphertext according to the preset algorithm; when the number of the second devices that pass the consensus verification meets the second Under preset conditions, the first device and all the second devices add the first battlefield information, the first hash value, and the first identifier of the first device to the blocks they maintain chain. The invention can improve the data security of the battlefield situational awareness system.

Description

Battlefield situational awareness method, system and terminal device

technical field

The invention belongs to the technical field of electronic information, and in particular relates to a battlefield situational awareness method, system and terminal equipment.

Background technique

With the fermenting of the trend of anti-globalization, turmoil in local areas has occurred from time to time. In order to cope with the potential threat of war in the future, it is necessary to study the future mode of war. At present, the future war mode is approaching the joint combat mode, which poses a higher challenge to the battlefield situational awareness system used to perceive the battlefield environment and the form of the enemy.

However, the current battlefield situational awareness system has the problem of data tampering.

SUMMARY OF THE INVENTION

In view of this, the embodiments of the present invention provide a battlefield situational awareness method, system and terminal device, which can improve the data security of the battlefield situational awareness system.

A first aspect of the embodiments of the present invention provides a battlefield situational awareness method, the method is applied to a battlefield situational awareness system, the system includes a plurality of node devices in the same blockchain network, and the method includes:

The first device collects the first battlefield information where the first device is located; the first battlefield information carries a first time stamp, and the first time stamp is the collection time of the first battlefield information;

The first device performs hash processing on the first battlefield information to obtain a first hash value;

The first device encrypts the first battlefield information, the first hash value and the first identifier of the first device according to a preset algorithm, and broadcasts the encrypted ciphertext in the blockchain network ;

The second device decrypts the ciphertext according to the preset algorithm to obtain the first battlefield information, the first hash value and the first identifier of the first device;

When the first timestamp and the first identifier satisfy a first preset condition, the second device performs consensus verification on the first battlefield information according to the first hash value;

When the number of the second devices that have passed the consensus verification meets the second preset condition, the first device and all the second devices combine the first battlefield information, the first hash value and the The first identifier of the first device is added to the respective maintained blockchain; the first device is any one of the node devices in the blockchain network, and the second device is in the blockchain network Any one of the node devices except the first device.

A second aspect of the embodiments of the present invention provides a battlefield situational awareness system, the system includes a plurality of node devices in the same blockchain network, wherein:

A first device, configured to collect first battlefield information where the first device is located; wherein, the first battlefield information carries a first time stamp, and the first time stamp is the collection time of the first battlefield information ;

The first device is further configured to perform hash processing on the first battlefield information to obtain a first hash value;

The first device is further configured to encrypt the first battlefield information, the first hash value and the first identifier of the first device according to a preset algorithm, and broadcast the encryption in the blockchain network the obtained ciphertext;

a second device, configured to decrypt the ciphertext according to the preset algorithm to obtain the first battlefield information, the first hash value and the first identifier of the first device;

The second device is further configured to perform consensus verification on the first battlefield information according to the first hash value when the first timestamp and the first identifier satisfy a first preset condition;

The first device and all the second devices are further configured to, when the number of the second devices that have passed the consensus verification meets the second preset condition, combine the first battlefield information, the first The value and the first identifier of the first device are added to the respective maintained blockchains; wherein the first device is any one of the node devices in the blockchain network, and the second device is the Any one of the node devices other than the first device in the blockchain network.

A third aspect of the embodiments of the present invention provides a terminal device, including a memory, a processor, and a computer program stored in the memory and executable on the processor, when the processor executes the computer program The steps of the method as described in the first aspect are implemented.

The beneficial effects that the embodiment of the present invention has compared with the prior art are:

In the embodiment of the present invention, the blockchain technology is applied to construct a battlefield situational awareness system with a distributed system architecture, wherein the first device can collect the information of the first battlefield where the first device is located, and analyze the information on the first battlefield for the first device. The information is hashed to obtain the first hash value, and then the first battlefield information, the first hash value and the first identification of the first device can be encrypted according to the preset algorithm, and the encrypted data can be broadcast in the blockchain network. ciphertext. Afterwards, the second device can receive the ciphertext, and can decrypt the ciphertext according to a preset algorithm to obtain the first battlefield information, the first hash value, and the first identifier of the first device. Next, when the first timestamp and the first identifier satisfy the first preset condition, the second device performs consensus verification on the first battlefield information according to the first hash value. Finally, when the number of second devices that have passed the consensus verification meets the second preset condition, the first device and all second devices add the first battlefield information, the first hash value, and the first identifier of the first device to The respective blockchains are maintained. In this way, the strong anti-strike ability of the blockchain can be used, and the data tamper-proof feature of hash encryption processing can be used to verify the data reported by each node device to ensure the credibility of the data, and solve the battlefield situational awareness system. There is a problem of data tampering.

Description of drawings

In order to illustrate the technical solutions in the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only for the present invention. In some embodiments, for those of ordinary skill in the art, other drawings can also be obtained according to these drawings without any creative effort.

FIG. 1 is a scene diagram of a battlefield situational awareness provided by an embodiment of the present invention;

FIG. 2 is a flowchart of steps of a battlefield situational awareness method provided by an embodiment of the present invention;

3 is a schematic diagram of a blockchain formation process according to an embodiment of the present invention;

Fig. 4 is a kind of working flow chart provided by the embodiment of the present invention;

5 is a schematic diagram of a battlefield situational awareness system according to an embodiment of the present invention;

FIG. 6 is a schematic diagram of a terminal device according to an embodiment of the present invention.

Detailed ways

In the following description, for the purpose of illustration rather than limitation, specific details such as specific system structures and technologies are set forth in order to provide a thorough understanding of the embodiments of the present invention. However, it will be apparent to those skilled in the art that the present invention may be practiced in other embodiments without these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.

In order to illustrate the technical solutions of the present invention, the following specific embodiments are used for description.

As described in the background art, the current battlefield situational awareness system has the problem of poor data transmission security.

In order to solve the problems of the prior art, the embodiments of the present invention provide a battlefield situational awareness method, system and terminal device. The following first introduces the battlefield situational awareness method provided by the embodiment of the present invention.

Since the advent of Bitcoin in 2008, blockchain technology has expanded from the original currency to today's various information and financial fields. Since blockchain technology has the characteristics of decentralization, tamper-proof, highly credible data, verifiable and traceable, etc., the above-mentioned characteristics of blockchain technology can be used to introduce blockchain technology into the battlefield situational awareness system. In addition, since the traditional "miners' mining accounting" mechanism is not real-time, and real-time data sharing is required in the process of battlefield perception, it is also necessary to adapt the conventional blockchain technology to adapt to the battlefield situation. perceived needs.

The battlefield situational awareness method can be applied to the battlefield situational awareness system. As shown in Figure 1, the battlefield situational awareness system can include multiple node devices in the same blockchain network, and the node devices can be carried by reconnaissance vehicles or drones in the battlefield. Various types of sensors, such as cameras, electronic compasses, vibration sensors, altitude needles, Beidou positioning devices, wireless communication devices, power supplies, etc. In addition, node devices can also be sensors carried by scouts and command centers.

As shown in FIG. 2 , the battlefield situational awareness method provided by the embodiment of the present invention may include the following steps:

Step S210, the first device collects the first battlefield information where the first device is located.

The first battlefield information carries a first timestamp, and the first timestamp is the collection time of the first battlefield information.

In some embodiments, the first device is any node device in the blockchain network.

Step S220, the first device performs hash processing on the first battlefield information to obtain a first hash value.

In some embodiments, the SHA256 hash algorithm may be used to perform hash processing on the first battlefield information, and the processed hash value may be referred to as the first hash value.

Step S230, the first device encrypts the first battlefield information, the first hash value, and the first identifier of the first device according to a preset algorithm, and broadcasts the encrypted ciphertext in the blockchain network.

In some embodiments, the preset algorithm may be an RSA encryption algorithm or a DES encryption algorithm. For example, for the first battlefield information with a small amount of data, the RSA encryption algorithm may be used for encryption; for the first battlefield information with a large amount of data, the DES encryption algorithm may be used for encryption.

Step S240, the second device decrypts the ciphertext according to the preset algorithm, and obtains the first battlefield information, the first hash value, and the first identifier of the first device.

In some embodiments, the second device is any node device other than the first device in the blockchain network.

Step S250: When the first timestamp and the first identifier satisfy the first preset condition, the second device performs consensus verification on the first battlefield information according to the first hash value.

In some embodiments, the first preset condition may be that the first timestamp is the unique and smallest timestamp among the timestamps of all current battlefield information not verified by consensus. In this way, all current battlefield messages that have not been verified by consensus can be verified in an orderly manner according to the timestamp, so that a large number of battlefield messages can be quickly shared in a timely manner.

In some embodiments, the first preset condition may be that the first timestamp is one of multiple minimum timestamps among all current timestamps of battlefield information that are not verified by consensus, and the level of the first identifier is multiple minimum timestamps The unique highest level in the identifier corresponding to the timestamp. In this way, a fault-tolerant mechanism is provided. When the same time stamps exist in the first time stamps, the processing of battlefield data with the same time stamps but different identifications can be determined according to the level of the first identification, that is, the level of the node device. order to improve the stability of the system.

In some embodiments, the process of performing consensus verification on the first battlefield information by the second device according to the first hash value may be as follows: the second device hashes the first battlefield information to obtain a second hash value; when When the second hash value is the same as the first hash value, the second device passes the consensus verification of the first battlefield information; when the second hash value and the first hash value are different, the second device does not pass the first hash value. Consensus verification of battlefield information.

In this way, the tampered data can be identified through the above verification mechanism, thereby ensuring the security of the data.

Step S260, when the number of second devices that have passed the consensus verification meets the second preset condition, the first device and all second devices combine the first battlefield information, the first hash value, and the first identifier of the first device. Join the respective maintained blockchain.

In some embodiments, the second preset condition may be that the proportion of the number of second devices passing consensus verification to all node devices exceeds a preset proportion, where the preset proportion is greater than 50%. In this way, the decentralization and immutability of the blockchain can be used to improve the security of data in the battlefield situational awareness system.

Specifically, when adding the first battlefield information, the first hash value, and the first identifier of the first device to the blockchain maintained by each node, in order to prevent the blockchain generated by each node device from being tampered with, SHA256 hash value can be used. The algorithm generates a corresponding hash value according to the content of each block, and the hash value will be used by the next block chain, and then the blocks in a chain are associated with each other. In this way, if you want to change the data of a certain block, you must not only change the hash value corresponding to the block, but also the hash value corresponding to the next block, and so on, that is, almost the entire area must be changed. The hash of the blockchain, which is almost impossible to accomplish. In addition, even if maliciously altered, they are easy to spot and are no longer time-sensitive. Therefore, the method effectively makes the data of the system immutable.

As shown in Figure 3, a blockchain formation process is shown. Specifically, the data transmission adopts a one-to-many mode, that is, one node sends and the other nodes receive. First, the SHA256 hash algorithm is used for tamper-proof processing to form a complete block, and then the asymmetric encryption method is used to transmit in time sequence, and then a one-way chain structure is formed inside each node. Each piece of newly collected information participates in the formation of a block, including timestamp, hash value of the previous block, shared content, hash value of this block, random number, node number, and block number.

For example, a certain node (node 1) of the battlefield situational awareness system collects battlefield data, and then uses the SHA256 algorithm to encrypt the data to generate a hash value of 001, so as to obtain block 1 and store it in its own node. and labels are also clearly recorded in block 1; after that, this node 1 broadcasts block 1, and when other nodes (node 2) receive the broadcast, after verifying that it is correct, store it in its own node, The time and label of this process are also recorded; when the node (node 2) collects or receives new data, it encrypts the new data in the same way to form the hash value 002 to obtain block 2, and Store it in block 2 together with the hash value 001 in block 1; and so on, every time new data is collected or received, a new block will be formed, which contains tags, timestamps, collection Or the received data content, the encrypted hash value of this data, and the hash value formed by the previous block. Inside each node, all blocks are connected in a chronological order in a chain structure to form a blockchain.

Optionally, in order to ensure the working state and security of each node device, one or more management devices may be specified in the node device, such as the node device at the command center, and then the node device is managed through the management device.

Specifically, the management device may obtain the hash value of the current last block in the blockchain maintained by each node device at preset time intervals. After that, the management device may mark the node device corresponding to the hash value different from the reference hash value as an abnormal device, wherein the reference hash value is the same hash value with the largest number among all the hash values.

In this way, the command unit in the battlefield can also act as a node device in the blockchain network, which can receive encrypted data and issue commands, and also form a blockchain with the same content as other node devices inside. In order to ensure the working status and security of each node, the command unit can collect the hash value data of the latest block of all other nodes at certain intervals and compare it (the latest block hash value of the command unit node is also compared). If they are the same, it means that the node is working normally, and the command center directly uses its own blockchain for analysis and use. If the hash value of one of the nodes is different from other nodes, the node needs to be discarded, and the blockchain of the node needs to be obtained for data traceability to clarify the error-causing factors. In addition, if the hash value of the command center itself is different from that of all other nodes, it is necessary to discard the blockchain of the command center itself and use the blockchain of other normal nodes for analysis and use.

In some embodiments, the blockchain network may employ one or more data transmission methods, such as fifth-generation mobile communication technology (5G) transmission methods, fourth-generation mobile communication technology (4G) transmission methods, and long-range radio ( Lora) transmission method.

Specifically, for video and picture type data, 5G-based and 4G-based communication methods can be used, which can greatly speed up the transmission speed and effectively expand the range of information transmission. For other types of data, Lora wireless modules can be used to form a network system. Each module in the network system can be equivalent to a network base station, and network communication can be carried out within the range of the base station. In this way, the delay can be effectively reduced and the battlefield can be monitored in real time. environment to ensure real-time transmission of information.

It should be noted that, since there is no central node in the above-mentioned battlefield situational awareness system, each reconnaissance vehicle or each UAV saves the historical data of other reconnaissance vehicles and UAVs. Compare with the data collected by reconnaissance vehicles and drones to achieve data traceability and ensure data accuracy.

For a better understanding of the battlefield situational awareness method provided by the embodiments of the present invention, reference may be made to the work flow diagram shown in FIG. 4 .

In the embodiment of the present invention, the blockchain technology is applied to construct a battlefield situational awareness system with a distributed system architecture, wherein the first device can collect the information of the first battlefield where the first device is located, and analyze the information on the first battlefield for the first device. The information is hashed to obtain the first hash value, and then the first battlefield information, the first hash value and the first identification of the first device can be encrypted according to the preset algorithm, and the encrypted data can be broadcast in the blockchain network. ciphertext. Afterwards, the second device can receive the ciphertext, and can decrypt the ciphertext according to a preset algorithm to obtain the first battlefield information, the first hash value, and the first identifier of the first device. Next, when the first timestamp and the first identifier satisfy the first preset condition, the second device performs consensus verification on the first battlefield information according to the first hash value. Finally, when the number of second devices that have passed the consensus verification meets the second preset condition, the first device and all second devices add the first battlefield information, the first hash value, and the first identifier of the first device to The respective blockchains are maintained. In this way, the strong anti-attack ability of the blockchain can be used, and the data tamper-proof feature of hash encryption processing can be used to verify the data reported by each node device to ensure that the data is credible. Since the technical advantages of blockchain lie in secure storage, clear timing, and self-verification of data, the battlefield situational awareness system based on blockchain technology has the advantages of strong battlefield survivability, data security and reliability, and safe verification.

In addition, since the data can be transmitted to the command center and different commanders at the same time, the command center does not need to provide intelligence to the lower level, but can directly issue combat orders, which greatly enhances the mobility of the battlefield. Secondly, all participants of the information sharing and their parameter information will be recorded. Once there is a problem with the data verification, the faulty node can be found and traced in time.

In addition, each node device of the battlefield situational awareness system does not affect each other. When some node devices of the system are attacked by the enemy, other node devices can still continue to network and perform reconnaissance tasks.

Based on the battlefield situational awareness method provided by the above embodiments, correspondingly, the present invention also provides a specific implementation manner of the battlefield situational awareness system applied to the battlefield situational awareness method. See the examples below.

As shown in Figure 5, a battlefield situational awareness system is provided. The system includes multiple node devices in the same blockchain network, wherein:

The first device 510 is used to collect the first battlefield information where the first device 510 is located; wherein, the first battlefield information carries a first time stamp, and the first time stamp is the collection time of the first battlefield information;

The first device 510 is further configured to perform hash processing on the first battlefield information to obtain a first hash value;

The first device 510 is further configured to encrypt the first battlefield information, the first hash value and the first identifier of the first device 510 according to a preset algorithm, and broadcast the encrypted ciphertext in the blockchain network;

The second device 520 is configured to decrypt the ciphertext according to a preset algorithm to obtain the first battlefield information, the first hash value and the first identifier of the first device 510;

The second device 520 is further configured to perform consensus verification on the first battlefield information according to the first hash value when the first timestamp and the first identifier satisfy the first preset condition;

The first device 510 and all the second devices 520 are further configured to combine the first battlefield information, the first hash value and the first device 510 when the number of the second devices 520 that have passed the consensus verification meets the second preset condition. The first identifier of each node is added to the respective maintained blockchain; wherein, the first device 510 is any node device in the blockchain network, and the second device 520 is any node device other than the first device 510 in the blockchain network .

Optionally, the first preset condition includes:

The first timestamp is the unique and smallest timestamp among the timestamps of all current battlefield information that has not been verified by consensus;

The first timestamp is one of the minimum timestamps among the timestamps of all current battlefield information that is not verified by consensus, and the level of the first identifier is the unique highest level among the identifiers corresponding to the multiple minimum timestamps.

Optionally, the second device is also used for:

Hash the first battlefield information to obtain a second hash value;

When the second hash value is the same as the first hash value, the consensus verification of the first battlefield information is passed;

When the second hash value is different from the first hash value, the consensus verification of the first battlefield information is not passed.

Optionally, the second preset condition includes:

The proportion of the number of second devices that have passed consensus verification to all node devices exceeds the preset proportion, and the preset proportion is greater than 50%.

Optionally, multiple node devices in the same blockchain network include at least one management device, and the management device is used for:

Every preset period, the management device obtains the hash value of the current last block in the blockchain maintained by each node device;

Mark node devices with hash values different from the baseline hash value as abnormal devices; the baseline hash value is the same hash value with the largest number of all hash values.

Optionally, the transmission mode adopted by the blockchain network includes at least one of the fifth-generation mobile communication technology transmission mode, the fourth-generation mobile communication technology transmission mode, and the long-distance radio transmission mode.

In the embodiment of the present invention, the blockchain technology is applied to construct a battlefield situational awareness system with a distributed system architecture, wherein the first device can collect the information of the first battlefield where the first device is located, and analyze the information on the first battlefield for the first device. The information is hashed to obtain the first hash value, and then the first battlefield information, the first hash value and the first identification of the first device can be encrypted according to the preset algorithm, and the encrypted data can be broadcast in the blockchain network. ciphertext. Afterwards, the second device can receive the ciphertext, and can decrypt the ciphertext according to a preset algorithm to obtain the first battlefield information, the first hash value, and the first identifier of the first device. Next, when the first timestamp and the first identifier satisfy the first preset condition, the second device performs consensus verification on the first battlefield information according to the first hash value. Finally, when the number of second devices that have passed the consensus verification meets the second preset condition, the first device and all second devices add the first battlefield information, the first hash value, and the first identifier of the first device to The respective blockchains are maintained. In this way, the strong anti-attack ability of the blockchain can be used, and the data tamper-proof feature of hash encryption processing can be used to verify the data reported by each node device to ensure the credibility of the data, which solves the battlefield situational awareness system. There is a problem of data tampering.

FIG. 6 is a schematic diagram of a terminal device provided by an embodiment of the present invention. As shown in FIG. 6 , the terminal device 6 in this embodiment includes: a processor 60 , a memory 61 , and a computer program 62 stored in the memory 61 and running on the processor 60 . When the processor 60 executes the computer program 62, the steps in each of the above embodiments of the battlefield situational awareness method are implemented. Alternatively, when the processor 60 executes the computer program 62, the functions of the modules/units in the foregoing device embodiments are implemented.

Exemplarily, the computer program 62 may be divided into one or more modules/units, and the one or more modules/units are stored in the memory 61 and executed by the processor 60 to complete the this invention. The one or more modules/units may be a series of computer program instruction segments capable of performing specific functions, and the instruction segments are used to describe the execution process of the computer program 62 in the terminal device 6 .

The terminal device 6 may be a computing device such as a desktop computer, a notebook, a palmtop computer, and a cloud server. The terminal device may include, but is not limited to, the processor 60 and the memory 61 . Those skilled in the art can understand that FIG. 6 is only an example of the terminal device 6, and does not constitute a limitation on the terminal device 6, and may include more or less components than the one shown, or combine some components, or different components For example, the terminal device may further include an input and output device, a network access device, a bus, and the like.

The so-called processor 60 may be a central processing unit (Central Processing Unit, CPU), and may also be other general-purpose processors, digital signal processors (Digital Signal Processors, DSP), application specific integrated circuits (Application Specific Integrated Circuit, ASIC), Field-Programmable Gate Array (FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.

The memory 61 may be an internal storage unit of the terminal device 6 , such as a hard disk or a memory of the terminal device 6 . The memory 61 may also be an external storage device of the terminal device 6, such as a plug-in hard disk equipped on the terminal device 6, a smart memory card (Smart Media Card, SMC), a secure digital (Secure Digital, SD) card, flash card (Flash Card) and so on. Further, the memory 61 may also include both an internal storage unit of the terminal device 6 and an external storage device. The memory 61 is used to store the computer program and other programs and data required by the terminal device. The memory 61 can also be used to temporarily store data that has been output or will be output.

Those skilled in the art can clearly understand that, for the convenience and simplicity of description, only the division of the above-mentioned functional units and modules is used as an example. Module completion, that is, dividing the internal structure of the device into different functional units or modules to complete all or part of the functions described above. Each functional unit and module in the embodiment may be integrated in one processing unit, or each unit may exist physically alone, or two or more units may be integrated in one unit, and the above-mentioned integrated units may adopt hardware. It can also be realized in the form of software functional units. In addition, the specific names of the functional units and modules are only for the convenience of distinguishing from each other, and are not used to limit the protection scope of the present application. For the specific working processes of the units and modules in the above-mentioned system, reference may be made to the corresponding processes in the foregoing method embodiments, which will not be repeated here.

In the foregoing embodiments, the description of each embodiment has its own emphasis. For parts that are not described or described in detail in a certain embodiment, reference may be made to the relevant descriptions of other embodiments.

Those of ordinary skill in the art can realize that the units and algorithm steps of each example described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the technical solution. Skilled artisans may implement the described functionality using different methods for each particular application, but such implementations should not be considered beyond the scope of the present invention.

In the embodiments provided by the present invention, it should be understood that the disclosed apparatus/terminal device and method may be implemented in other manners. For example, the apparatus/terminal device embodiments described above are only illustrative. For example, the division of the modules or units is only a logical function division. In actual implementation, there may be other division methods, such as multiple units. Or components may be combined or may be integrated into another system, or some features may be omitted, or not implemented. On the other hand, the shown or discussed mutual coupling or direct coupling or communication connection may be through some interfaces, indirect coupling or communication connection of devices or units, and may be in electrical, mechanical or other forms.

The units described as separate components may or may not be physically separated, and components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution in this embodiment.

In addition, each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically alone, or two or more units may be integrated into one unit. The above-mentioned integrated units may be implemented in the form of hardware, or may be implemented in the form of software functional units.

The integrated modules/units, if implemented in the form of software functional units and sold or used as independent products, may be stored in a computer-readable storage medium. Based on this understanding, the present invention can implement all or part of the processes in the methods of the above embodiments, and can also be completed by instructing relevant hardware through a computer program, and the computer program can be stored in a computer-readable storage medium. When the program is executed by the processor, the steps of the foregoing method embodiments can be implemented. Wherein, the computer program includes computer program code, and the computer program code may be in the form of source code, object code, executable file or some intermediate form, and the like. The computer-readable medium may include: any entity or device capable of carrying the computer program code, a recording medium, a U disk, a removable hard disk, a magnetic disk, an optical disk, a computer memory, a read-only memory (ROM, Read-Only Memory) , Random Access Memory (RAM, Random Access Memory), electric carrier signal, telecommunication signal and software distribution medium, etc. It should be noted that the content contained in the computer-readable media may be appropriately increased or decreased according to the requirements of legislation and patent practice in the jurisdiction, for example, in some jurisdictions, according to legislation and patent practice, the computer-readable media Electric carrier signals and telecommunication signals are not included.

The above-mentioned embodiments are only used to illustrate the technical solutions of the present invention, but not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: it is still possible to implement the foregoing implementations. The technical solutions described in the examples are modified, or some technical features thereof are equivalently replaced; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention, and should be included in the within the protection scope of the present invention.

Claims (10)

1. a battlefield situational awareness method, it is characterized in that, described method is applied to battlefield situational awareness system, described system comprises a plurality of node devices in the same block chain network, described method comprises: The first device collects the first battlefield information where the first device is located; the first battlefield information carries a first time stamp, and the first time stamp is the collection time of the first battlefield information; The first device performs hash processing on the first battlefield information to obtain a first hash value; The first device encrypts the first battlefield information, the first hash value and the first identifier of the first device according to a preset algorithm, and broadcasts the encrypted ciphertext in the blockchain network ; The second device decrypts the ciphertext according to the preset algorithm to obtain the first battlefield information, the first hash value and the first identifier of the first device; When the first timestamp and the first identifier satisfy a first preset condition, the second device performs consensus verification on the first battlefield information according to the first hash value; When the number of the second devices that have passed the consensus verification meets the second preset condition, the first device and all the second devices combine the first battlefield information, the first hash value and the The first identifier of the first device is added to the respective maintained blockchain; the first device is any one of the node devices in the blockchain network, and the second device is in the blockchain network any one of the node devices except the first device; Wherein, the second preset condition includes: the proportion of the number of the second devices passing the consensus verification to all the node devices exceeds a preset proportion. 2. The battlefield situational awareness method according to claim 1, wherein the first preset condition comprises: The first timestamp is the unique and smallest timestamp among the timestamps of all current battlefield information not verified by consensus; The first time stamp is one of the smallest time stamps among the time stamps of all current battlefield information that has not been verified by consensus, and the level of the first identifier is one of the identifiers corresponding to the plurality of smallest time stamps. The only highest grade. 3. The battlefield situational awareness method according to claim 1, wherein the second device performs consensus verification on the first battlefield information according to the first hash value, comprising: The second device performs hash processing on the first battlefield information to obtain a second hash value; When the second hash value is the same as the first hash value, the second device passes the consensus verification of the first battlefield information; When the second hash value and the first hash value are different, the second device fails the consensus verification of the first battlefield information. 4. The battlefield situational awareness method according to claim 1, wherein the preset ratio is greater than 50%. 5. The battlefield situational awareness method according to claim 1, wherein the plurality of node devices in the same blockchain network include at least one management device; The method also includes: Every preset time period, the management device obtains the hash value of the current last block in the blockchain maintained by each node device; The node device corresponding to the hash value different from the reference hash value is marked as an abnormal device; the reference hash value is the same hash value with the largest number among all the hash values. 6. The battlefield situational awareness method according to any one of claims 1 to 5, wherein the transmission mode adopted by the blockchain network includes at least the fifth generation mobile communication technology transmission mode, the fourth generation mobile communication technology transmission mode One of transmission methods and long-distance radio transmission methods. 7. A battlefield situational awareness system, wherein the system comprises a plurality of node devices in the same blockchain network, wherein: A first device, configured to collect first battlefield information where the first device is located; wherein, the first battlefield information carries a first time stamp, and the first time stamp is the collection time of the first battlefield information ; The first device is further configured to perform hash processing on the first battlefield information to obtain a first hash value; The first device is further configured to encrypt the first battlefield information, the first hash value and the first identifier of the first device according to a preset algorithm, and broadcast the encryption in the blockchain network the obtained ciphertext; a second device, configured to decrypt the ciphertext according to the preset algorithm to obtain the first battlefield information, the first hash value and the first identifier of the first device; The second device is further configured to perform consensus verification on the first battlefield information according to the first hash value when the first timestamp and the first identifier satisfy a first preset condition; The first device and all the second devices are further configured to, when the number of the second devices that have passed the consensus verification meets the second preset condition, combine the first battlefield information, the first The value and the first identifier of the first device are added to the respective maintained blockchains; wherein the first device is any one of the node devices in the blockchain network, and the second device is the Any one of the node devices in the blockchain network except the first device; Wherein, the second preset condition includes: the ratio of the number of the second devices that have passed the consensus verification to all the node devices exceeds a preset ratio. 8. The battlefield situational awareness system according to claim 7, wherein the first preset condition comprises: The first timestamp is the unique and smallest timestamp among the timestamps of all current battlefield information that are not verified by consensus; The first time stamp is one of the smallest time stamps among the time stamps of all current battlefield information that has not been verified by consensus, and the level of the first identifier is one of the identifiers corresponding to the plurality of smallest time stamps. The only highest grade. 9. The battlefield situational awareness system according to claim 7, wherein the second device is further used for: performing hash processing on the first battlefield information to obtain a second hash value; When the second hash value is the same as the first hash value, the consensus verification of the first battlefield information is passed; When the second hash value and the first hash value are different, the consensus verification of the first battlefield information is not passed. 10. A terminal device, comprising a memory, a processor, and a computer program stored in the memory and running on the processor, characterized in that, when the processor executes the computer program, the computer program as claimed in the claims is implemented Steps of any one of 1 to 6 of the method.

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