CN114501343A - Multi-node scanning implementation method, system, electronic equipment and storage medium - Google Patents

Multi-node scanning implementation method, system, electronic equipment and storage medium Download PDF

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Publication number
CN114501343A
CN114501343A CN202210308854.0A CN202210308854A CN114501343A CN 114501343 A CN114501343 A CN 114501343A CN 202210308854 A CN202210308854 A CN 202210308854A CN 114501343 A CN114501343 A CN 114501343A
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China
Prior art keywords
communication module
airborne communication
key
maintenance equipment
ground maintenance
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Granted
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CN202210308854.0A
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CN114501343B (en
Inventor
尹丽江
景艳梅
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Chengdu CAIC Electronics Co Ltd
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Chengdu CAIC Electronics Co Ltd
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/06Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30Services specially adapted for particular environments, situations or purposes
    • H04W4/40Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
    • H04W4/42Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for mass transport vehicles, e.g. buses, trains or aircraft
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • H04W76/10Connection setup

Abstract

The invention provides a method and a system for realizing multi-node scanning, electronic equipment and a storage medium, and belongs to the technical field of communication. The method comprises the following steps: starting a multi-node scanning task; initiating a broadcast signal encrypted with a default key; judging whether the ground maintenance equipment receives the scanning response of the airborne communication module; judging whether an airborne communication module is scanned; modifying a default key of the onboard communication module; judging whether all the airborne communication modules modify the default secret key or not; reporting the scanned airborne communication module, finishing the scanning task and realizing multi-node scanning based on the dynamic key. The method solves the problem that the scanning of a plurality of airborne communication modules cannot be carried out aiming at the wireless maintenance equipment in a point-to-point connection mode, and realizes the scanning of the plurality of airborne communication modules.

Description

Multi-node scanning implementation method, system, electronic equipment and storage medium
Technical Field
The invention belongs to the technical field of communication, and particularly relates to a multi-node scanning implementation method, a multi-node scanning implementation system, electronic equipment and a multi-node scanning implementation method for a storage medium.
Background
The conventional maintenance mode of a military aircraft is to connect the aircraft with ground maintenance equipment by using a cable and monitor the state of each equipment in the aircraft by adopting a wired mode. The wired mode has the characteristics of safe and reliable transmission, but has the defects of heavy equipment, inflexible movement, complex installation and the like, and is not beneficial to realizing the rapid flying of military airplanes. Compared with the traditional wired maintenance mode, the wireless maintenance mode has the advantages of installation-free, flexible movement, no place limitation and the like. With the increasing security and safety of wireless communication technology and the demand of rapid flying of military aircraft, the maintenance mode of military aircraft is gradually changing from a wired mode to a wireless mode.
The military aircraft wireless maintenance system consists of two nodes, namely ground maintenance equipment and an airborne communication module. The ground maintenance equipment mainly realizes man-machine interaction, sends out the instructions of ground crew members of the airplane through wireless signals, and receives and analyzes the wireless signals transmitted by the airborne communication module. The airborne communication module mainly receives and analyzes wireless signals of ground maintenance equipment, transmits analyzed instructions to maintenance-related equipment in the military aircraft, and sends information replied by the maintenance-related equipment of the military aircraft out through the wireless signals.
The military aircraft wireless maintenance system has no multi-point networking requirement, and is generally in a point-to-point connection mode, namely, paired connection is carried out on one ground maintenance device and one airborne communication module. From the standpoint of enhanced security, it is generally desirable that an onboard communication module be unable to establish a connection with other ground maintenance equipment after establishing a connection with one ground maintenance equipment. In practice, however, there are often situations where multiple on-board communication modules are equipped with a single ground maintenance device, and the point-to-point connection approach described above would not be able to properly scan and establish a connection. In view of this, the present invention solves the technical problem that a plurality of airborne communication modules cannot be scanned correctly by modifying the dynamic key of the airborne communication module during the scanning process.
Disclosure of Invention
Aiming at the defects in the prior art, the multi-node scanning implementation method, the multi-node scanning implementation system, the electronic equipment and the storage medium multi-node scanning implementation method provided by the invention solve the problem that a plurality of airborne communication modules cannot be scanned by aiming at wireless maintenance equipment in a point-to-point connection mode, and realize the method for scanning the plurality of airborne communication modules.
In order to achieve the above purpose, the invention adopts the technical scheme that:
in a first aspect, the present disclosure provides a multi-node scanning implementation method, including the following steps:
s1, starting a multi-node scanning task according to the received scanning instruction;
s2, the ground maintenance equipment initiates broadcast signals encrypted by default keys to the plurality of airborne communication modules;
s3, the airborne communication module replies a broadcast signal response to the ground maintenance equipment according to the received broadcast signal, the ground maintenance equipment judges whether the ground maintenance equipment receives the scanning response of the airborne communication module according to the broadcast signal response replied by the airborne communication module, if so, the ground maintenance equipment records the number of the scanned airborne communication modules, changes the keys of the airborne communication modules, and returns to the step S2, otherwise, the step S4 is executed;
s4, judging whether the airborne communication module is scanned or not, if so, modifying the encryption key of the ground maintenance equipment into the key modified by the airborne communication module, and entering the step S5, otherwise, entering the step S7;
s5, modifying the key changed by the airborne communication module into a default key;
s6, judging whether all the airborne communication modules modify the default keys, if so, resetting the default keys of the ground maintenance equipment, and entering the step S7, otherwise, returning to the step S5;
and S7, reporting the scanned airborne communication module, finishing the scanning task, and realizing multi-node scanning based on the dynamic key.
The invention has the beneficial effects that: in the scanning process, the scanned secret key of the airborne communication module is changed, so that the scanned airborne communication module does not respond any more when the ground maintenance equipment scans again, the effect of scanning a plurality of airborne communication modules is achieved, and after all the airborne communication modules are judged to be scanned by the ground maintenance equipment, the secret key is executed and recovered to the default secret key operation. The invention can realize the scanning of a plurality of nodes by only modifying the key without changing or adding hardware facilities aiming at the wireless communication equipment of the point-to-point connection.
Further, the step S3 includes the following steps:
s301, receiving the broadcast signal by the airborne communication module, and replying a broadcast signal response to the ground maintenance equipment;
s302, the ground maintenance equipment judges whether the scanning response of the airborne communication module is received within the preset time for initiating the broadcast signal according to the broadcast signal response replied by the airborne communication module, if so, the step S303 is executed, otherwise, the step S4 is executed;
s303, according to the airborne communication module scanning response information received by the ground maintenance equipment, extracting the equipment ID number of the responding airborne communication module, and recording the equipment ID number in the scanned ground maintenance equipment ID array;
s304, decrypting the default secret key of the ground maintenance equipment;
s305, initiating key modification information to the airborne communication module responding to the ID array recorded in the ground maintenance equipment by using the decryption key, enabling the airborne communication module to encrypt a key modification instruction sent by the ground maintenance equipment by using the decryption key as an encryption key, completing the key modification of the airborne communication module, and returning to the step S2.
The beneficial effects of the further scheme are as follows: for wireless communication equipment only supporting point-to-point, ground communication equipment can complete search of a plurality of airborne communication module nodes by adopting a mode of distributing keys to the airborne communication module nodes one by one.
Still further, the step S4 includes the steps of:
s401, judging whether an airborne communication module is scanned or not according to the condition that whether the ground maintenance equipment ID array is empty or not, if so, entering the step S402, and if not, entering the step S7;
s402, modifying the ID array data of the ground maintenance equipment with the default key into a decryption key to enable the ground maintenance equipment to be consistent with the key changed by the scanned airborne communication module, and proceeding to step S5.
The beneficial effects of the further scheme are as follows: after the searching of the plurality of airborne communication module nodes is completed, the node key of each airborne communication module is modified, and the airborne communication module nodes cannot directly communicate with the ground communication equipment. At this time, the ground maintenance equipment records the key corresponding to each airborne communication module node, and after the ground maintenance equipment modifies the default key into the key corresponding to each airborne communication module node, the ground maintenance equipment can be connected with each airborne communication module node one by one.
Still further, the step S5 includes the steps of:
s501, sending set key information to an airborne communication module recorded in the ID array of the ground maintenance equipment by the ground maintenance equipment;
s502, according to the set key information, modifying the encryption key data of the airborne communication module into a default key, and clearing the record of the airborne communication module in the scanned ground maintenance equipment ID array to complete the modification of the default key of the airborne communication module.
The beneficial effects of the further scheme are as follows: the ground maintenance equipment can be connected with each airborne communication module node one by one, and after the connection is established, each airborne communication module key needs to be set as a default key, so that each airborne communication module is ensured to be recovered to a default state, and scanning instructions of other ground communication equipment can be received.
In a second aspect, the present invention provides a multi-node scanning implementation system, including:
the starting module is used for starting a multi-node scanning task according to the received scanning instruction;
the initiating scanning module is used for initiating broadcast signals encrypted by adopting a default key to the plurality of airborne communication modules by the ground maintenance equipment;
the first judgment module is used for replying a broadcast signal response to the ground maintenance equipment by the airborne communication module according to the received broadcast signal, judging whether the ground maintenance equipment receives a scanning response of the airborne communication module or not by the ground maintenance equipment according to the broadcast signal response replied by the airborne communication module, if so, recording the number of the scanned airborne communication modules by the ground maintenance equipment, changing a secret key of the airborne communication module, and otherwise, executing the second judgment module;
the second judgment module is used for judging whether the airborne communication module is scanned or not, if so, the encryption key of the ground maintenance equipment is modified into the key modified by the airborne communication module, and if not, the scanning is finished;
the modification module is used for modifying the key modified by the airborne communication module into a default key;
the third judgment module is used for judging whether all the airborne communication modules modify the default secret key, if so, the default secret key of the ground maintenance equipment is reset, and otherwise, the modification module is executed;
and the reporting module is used for reporting the scanned airborne communication module, finishing the scanning task and realizing multi-node scanning based on the dynamic key.
The invention has the beneficial effects that: in the scanning process, the scanned secret key of the airborne communication module is changed, so that the scanned airborne communication module does not respond any more when the ground maintenance equipment scans again, the effect of scanning a plurality of airborne communication modules is achieved, and after all the airborne communication modules are judged to be scanned by the ground maintenance equipment, the secret key is executed and recovered to the default secret key operation. The invention can realize the scanning of a plurality of nodes by only modifying the key without changing or adding hardware facilities aiming at the wireless communication equipment of the point-to-point connection.
Further, the first determining module includes:
the response unit is used for receiving the broadcast signals by the airborne communication module and replying the broadcast signal response to the ground maintenance equipment;
the first judgment unit is used for judging whether the scanning response of the airborne communication module is received or not within the preset time for initiating the broadcast signal by the ground maintenance equipment according to the broadcast signal response replied by the airborne communication module;
the extraction unit is used for extracting the equipment ID number of the airborne communication module responding according to the airborne communication module scanning response information received by the ground maintenance equipment and recording the equipment ID number in the scanned ground maintenance equipment ID array;
the decryption unit is used for decrypting the default secret key of the ground maintenance equipment;
and the first modification unit is used for initiating the modification of the key information to the airborne communication module responding to the ID array recorded in the ground maintenance equipment by using the decryption key, so that the airborne communication module encrypts a key modification instruction sent by the ground maintenance equipment by using the decryption key as an encryption key, and the modification of the key of the airborne communication module is completed.
The beneficial effects of the further scheme are as follows: for wireless communication equipment only supporting point-to-point, ground communication equipment can complete search of a plurality of airborne communication module nodes by adopting a mode of distributing keys to the airborne communication module nodes one by one.
Still further, the second determining module includes:
the second judgment unit is used for judging whether the airborne communication module is scanned or not according to the condition that whether the ID array of the ground maintenance equipment is empty or not;
and the second modification unit is used for modifying the decryption key by the ID array data of the ground maintenance equipment in which the default key is placed, so that the ground maintenance equipment and the key changed by the scanned airborne communication module are kept consistent.
The beneficial effects of the further scheme are as follows: after the searching of the plurality of airborne communication module nodes is completed, the node key of each airborne communication module is modified, and the airborne communication module nodes cannot directly communicate with the ground communication equipment. At this time, the ground maintenance equipment records the key corresponding to each airborne communication module node, and after the ground maintenance equipment modifies the default key into the key corresponding to each airborne communication module node, the ground maintenance equipment can be connected with each airborne communication module node one by one.
Still further, the modification module includes:
the sending unit is used for sending the set key information to the airborne communication module recorded in the ID array of the ground maintenance equipment by the ground maintenance equipment;
and the third modification unit is used for modifying the encryption key data of the airborne communication module into a default key according to the set key information, and removing the record of the airborne communication module in the scanned ground maintenance equipment ID array to complete the modification of the default key of the airborne communication module.
The beneficial effects of the further scheme are as follows: the ground maintenance equipment can be connected with each airborne communication module node one by one, and after the connection is established, each airborne communication module key needs to be set as a default key, so that each airborne communication module is ensured to be recovered to a default state, and scanning instructions of other ground communication equipment can be received.
In a third aspect, the present invention provides an electronic device, comprising a memory, a processor and a computer program stored in the memory and running on the processor, wherein the processor executes the program to implement the steps of any of the multi-node scanning implementation methods.
In a fourth aspect, the present invention provides a computer-readable storage medium storing a computer program which, when executed, implements the steps of any of the multi-node scanning implementation methods.
Drawings
FIG. 1 is a flow chart of the method of the present invention.
Fig. 2 is a schematic view of a scanning scenario of a node with multiple airborne communication modules in this embodiment.
Fig. 3 is a state diagram of the ground maintenance apparatus in this embodiment.
Fig. 4 is a schematic diagram of the system structure of the present invention.
Detailed Description
The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and it will be apparent to those skilled in the art that various changes may be made without departing from the spirit and scope of the invention as defined and defined in the appended claims, and all matters produced by the invention using the inventive concept are protected.
Example 1
As shown in fig. 1, the present invention provides a method for implementing multi-node scanning, which comprises the following steps:
s1, starting a multi-node scanning task according to the received scanning instruction;
s2, the ground maintenance equipment initiates broadcast signals encrypted by default keys to the plurality of airborne communication modules;
in this embodiment, the ground maintenance device initiates a broadcast signal, and the broadcast signal is encrypted by using a default key. The onboard communication module that receives the default key encrypted broadcast signal will respond.
S3, the airborne communication module replies a broadcast signal response to the ground maintenance equipment according to the received broadcast signal, the ground maintenance equipment judges whether the ground maintenance equipment receives the scanning response of the airborne communication module according to the broadcast signal response replied by the airborne communication module, if so, the ground maintenance equipment records the number of the scanned airborne communication modules, changes the keys of the airborne communication modules, and returns to the step S2, otherwise, the step S4 is entered, and the implementation method is as follows:
s301, receiving the broadcast signal by the airborne communication module, and replying a broadcast signal response to the ground maintenance equipment;
s302, the ground maintenance equipment judges whether the scanning response of the airborne communication module is received within the preset time for initiating the broadcast signal according to the broadcast signal response replied by the airborne communication module, if so, the step S303 is executed, otherwise, the step S4 is executed;
s303, according to the airborne communication module scanning response information received by the ground maintenance equipment, extracting the equipment ID number of the responding airborne communication module, and recording the equipment ID number in the scanned ground maintenance equipment ID array;
s304, decrypting the default secret key of the ground maintenance equipment;
s305, initiating key modification information to the airborne communication module responding to the ID array recorded in the ground maintenance equipment by using the decryption key, enabling the airborne communication module to encrypt a key modification instruction sent by the ground maintenance equipment by using the decryption key as an encryption key to complete the change of the key of the airborne communication module, and returning to the step S2;
in this embodiment, the airborne communication module received by the ground maintenance device scans a response message, the scanned response message exists in a data frame format, the data frame includes a frame header, a device ID number, a response device ID number, a check, and a frame tail, and the response device ID number is extracted and recorded in the ID array of the scanned device.
In this embodiment, the ground maintenance device uses a default key to perform AES encryption, the default key is denoted as key a, the key a is resolved by AES to obtain a decryption key corresponding to the default key, which is denoted as key B, and initiates a key modification signal to the responding airborne communication module, so that the airborne communication module uses the key B as an encryption key to perform AES encryption on a message sent by the airborne communication module.
S4, judging whether the airborne communication module is scanned or not, if so, modifying the encryption key of the ground maintenance equipment into the key modified by the airborne communication module, and entering the step S5, otherwise, entering the step S7, wherein the implementation method comprises the following steps:
s401, judging whether an airborne communication module is scanned or not according to the condition that whether the ground maintenance equipment ID array is empty or not, if so, entering the step S402, and if not, entering the step S7;
s402, modifying the ID array data of the ground maintenance equipment with the default key into a decryption key to enable the ground maintenance equipment to be consistent with the key changed by the scanned airborne communication module, and proceeding to step S5.
And the decryption key of the default key is a key changed by the airborne communication module, and the changed key is obtained by decrypting the default key.
S5, modifying the default key of the onboard communication module, wherein the implementation method comprises the following steps:
s501, sending set key information to an airborne communication module recorded in an equipment ID array by ground maintenance equipment;
s502, according to the set key information, the encryption key data of the airborne communication module is modified into a default key, the record of the airborne communication module in the scanned equipment ID array is cleared, and the modification of the default key of the airborne communication module is completed.
In this embodiment, the encryption key of the ground maintenance device is modified to be the key B, and the specific implementation method is to modify the array data in which the key a is placed into the key B, so that the ground maintenance device and the scanned airborne communication module have the same encryption key, where the ground maintenance device ID data set is the serial number of the airborne communication module, and the key B is a feature value of the airborne communication module.
S6, judging whether all the airborne communication modules modify the default keys, if so, resetting the default keys of the ground maintenance equipment, and entering the step S7, otherwise, returning to the step S5;
and S7, reporting the scanned airborne communication module, finishing the scanning task, and realizing multi-node scanning based on the dynamic key.
In this embodiment, after the ground maintenance device scans once, the invention receives a scanning response message of the airborne communication module once, the scanning response message contains the equipment ID number of the airborne communication module, records the equipment ID number of the airborne communication module, and achieves the purpose that the airborne communication module does not respond when scanning again by modifying the secret key of the airborne communication module of the equipment ID number. When the ground maintenance equipment sends the scanning command again, the airborne communication module A cannot respond again because the secret key is changed, the airborne communication modules except the airborne communication module A continue to respond, and the ground maintenance equipment continues to acquire the ID numbers of the airborne communication modules. By analogy, the ground maintenance equipment can complete the scanning of a plurality of airborne communication modules.
In this embodiment, the present invention can scan a plurality of nodes by modifying a key without changing or adding hardware facilities to a device connected point to point.
In this embodiment, as shown in fig. 2, the multi-airborne communication module scanning application scene in the present invention includes 1 ground maintenance device and a plurality of airborne communication modules.
In this embodiment, as shown in fig. 3, the ground maintenance equipment includes 4 working states, i.e., an initial state, an idle state, a scanning state, and a communication state.
The initial state: the initial state is the state after the ground maintenance equipment is powered on or reset.
In an idle state: the idle state is the state in which the ground maintenance device is idle and in which scanning may be initiated or a connection may be established with the airborne communication module.
Scanning state: the scanning state is a state in which the ground maintenance device is scanning the airborne communication module.
Communication state: the communication state is that the ground maintenance equipment and the airborne communication module are connected and can transmit data with each other.
Example 2
As shown in fig. 4, the present invention provides a multi-node scanning implementation system, including:
the starting module is used for starting a multi-node scanning task according to the received scanning instruction;
the initiating scanning module is used for initiating broadcast signals encrypted by adopting a default key to the plurality of airborne communication modules by the ground maintenance equipment;
the first judgment module is used for replying a broadcast signal response to the ground maintenance equipment by the airborne communication module according to the received broadcast signal, judging whether the ground maintenance equipment receives a scanning response of the airborne communication module or not by the ground maintenance equipment according to the broadcast signal response replied by the airborne communication module, if so, recording the number of the scanned airborne communication modules by the ground maintenance equipment, changing a secret key of the airborne communication module, and otherwise, executing the second judgment module;
the second judgment module is used for judging whether the airborne communication module is scanned or not, if so, the encryption key of the ground maintenance equipment is modified into the key modified by the airborne communication module, and if not, the scanning is finished;
the modification module is used for modifying the key modified by the airborne communication module into a default key;
the third judgment module is used for judging whether all the airborne communication modules modify the default secret key, if so, the default secret key of the ground maintenance equipment is reset, and otherwise, the modification module is executed;
and the reporting module is used for reporting the scanned airborne communication module, finishing the scanning task and realizing multi-node scanning based on the dynamic key.
In one example, the first determining module includes:
the response unit is used for receiving the broadcast signals by the airborne communication module and replying the broadcast signal response to the ground maintenance equipment;
the first judgment unit is used for judging whether the scanning response of the airborne communication module is received or not within the preset time for initiating the broadcast signal by the ground maintenance equipment according to the broadcast signal response replied by the airborne communication module;
the extraction unit is used for extracting the equipment ID number of the airborne communication module responding according to the airborne communication module scanning response information received by the ground maintenance equipment and recording the equipment ID number in the scanned ground maintenance equipment ID array;
the decryption unit is used for decrypting the default secret key of the ground maintenance equipment;
and the first modification unit is used for initiating the modification of the key information to the airborne communication module responding to the ID array recorded in the ground maintenance equipment by using the decryption key, so that the airborne communication module encrypts a key modification instruction sent by the ground maintenance equipment by using the decryption key as an encryption key, and the modification of the key of the airborne communication module is completed.
In one example, the second determining module comprises:
the second judgment unit is used for judging whether the airborne communication module is scanned or not according to the condition that whether the ID array of the ground maintenance equipment is empty or not;
and the second modification unit is used for modifying the decryption key by the ground maintenance equipment ID array data in which the default key is placed, so that the ground maintenance equipment and the key changed by the scanned airborne communication module are kept as one.
In one example, the modification module comprises:
the sending unit is used for sending the set key information to the airborne communication module recorded in the ID array of the ground maintenance equipment by the ground maintenance equipment;
and the third modification unit is used for modifying the encryption key data of the airborne communication module into a default key according to the set key information, and removing the record of the airborne communication module in the scanned ground maintenance equipment ID array to complete the modification of the default key of the airborne communication module.
As shown in fig. 4, the multi-node scanning implementation system provided in the embodiment may execute the technical solution shown in the multi-node scanning implementation method in the above method embodiment, and the implementation principle and beneficial effects are similar, which are not described herein again.
In this embodiment, the functional units may be divided according to a multi-node scanning implementation method, for example, each function may be divided into each functional unit, or two or more functions may be integrated into one processing unit. The integrated unit may be implemented in the form of hardware, or may be implemented in the form of a software functional unit. It should be noted that the division of the cells in the present invention is schematic, and is only a logical division, and there may be another division manner in actual implementation.
In this embodiment, in order to implement the principle and the advantageous effect of the multi-node scanning implementation method, the multi-node scanning implementation system includes a hardware structure and/or a software module corresponding to each function. Those of skill in the art will readily appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as hardware and/or combinations of hardware and computer software, where a function is performed in a hardware or computer software-driven manner, and that the function described may be implemented in any suitable manner for each particular application depending upon the particular application and design constraints imposed on the technology, but such implementation is not to be considered as beyond the scope of the present application.
In this embodiment, after the ground maintenance device scans once, the invention receives a scanning response message of the airborne communication module once, the scanning response message contains the equipment ID number of the airborne communication module, records the equipment ID number of the airborne communication module, and achieves the purpose that the airborne communication module does not respond when scanning again by modifying the secret key of the airborne communication module of the equipment ID number. When the ground maintenance equipment sends the scanning command again, the airborne communication module A cannot respond again because the secret key is changed, the airborne communication modules except the airborne communication module A continue to respond, and the ground maintenance equipment continues to acquire the ID numbers of the airborne communication modules. By analogy, the ground maintenance equipment can complete the scanning of a plurality of airborne communication modules.
In this embodiment, the present invention can scan a plurality of nodes by modifying a key without changing or adding hardware facilities to a device connected point to point.
Example 3
The invention provides an electronic device comprising a memory, a processor and a computer program stored on the memory and running on the processor, wherein the processor executes the program to realize the steps of the multi-node scanning realization method as described in any one of embodiment 1.
In this embodiment, the electronic device may include: a processor, a memory, a bus and a communication interface, wherein the processor, the communication interface and the memory are connected via the bus, the memory stores a computer program capable of running on the processor, and the processor executes part or all of the steps of the multi-node scanning implementation method provided in the foregoing embodiment 1 when executing the computer program
Example 4
The present invention provides a computer-readable storage medium storing a computer program which, when executed, implements the steps of a multi-node scanning implementation method as set forth in any one of embodiment 1.
The computer-readable storage medium described above may be implemented in any type or combination of volatile or non-volatile memory devices such as Static Random Access Memory (SRAM), erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disks, and may be any available medium that can be accessed by a general purpose or special purpose computer. A readable storage medium is coupled to the processor such that the processor can read information from, and write information to, the readable storage medium, which may also be a component of the processor, and the processor and the readable storage medium may reside in an Application Specific Integrated Circuit (ASIC), and the processor and the readable storage medium may also reside as discrete components in a point de-registration system.
Embodiments of the present invention may be provided as a method, apparatus, or computer program product, and as such, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, etc.) having computer-usable program code embodied therein. While the methods, apparatus (devices), and computer program products according to embodiments of the invention have been described with reference to flowchart illustrations and/or block diagrams, it is to be understood that each flowchart illustration and/or block diagram block or blocks, and combinations of flowchart illustrations and/or block diagrams, can be implemented by computer program instructions which are provided to a computer-readable memory of a general purpose computer, special purpose computer, embedded computer, or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart illustration of one or more flow diagrams and/or block diagrams block or blocks. These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart block or blocks and/or flowchart block or blocks.
It will be appreciated by those skilled in the art that the embodiments described herein are for the purpose of assisting the reader in understanding the principles of the invention, and it is to be understood that the scope of the invention is not limited to such specific statements and embodiments. Those skilled in the art, having the benefit of this disclosure, may effect numerous modifications thereto and changes may be made without departing from the scope of the invention in its broader aspects.

Claims (10)

1. A multi-node scanning implementation method is characterized by comprising the following steps:
s1, starting a multi-node scanning task according to the received scanning instruction;
s2, the ground maintenance equipment initiates broadcast signals encrypted by default keys to the plurality of airborne communication modules;
s3, the airborne communication module replies a broadcast signal response to the ground maintenance equipment according to the received broadcast signal, the ground maintenance equipment judges whether the ground maintenance equipment receives the scanning response of the airborne communication module according to the broadcast signal response replied by the airborne communication module, if so, the ground maintenance equipment records the number of the scanned airborne communication modules, changes the key of the airborne communication module, and returns to the step S2, otherwise, the step S4 is executed;
s4, judging whether the airborne communication module is scanned or not, if so, modifying the encryption key of the ground maintenance equipment into the key modified by the airborne communication module, and entering the step S5, otherwise, entering the step S7;
s5, modifying the key changed by the airborne communication module into a default key;
s6, judging whether all the airborne communication modules modify the default keys, if so, resetting the default keys of the ground maintenance equipment, and entering the step S7, otherwise, returning to the step S5;
and S7, reporting the scanned airborne communication module, finishing the scanning task, and realizing multi-node scanning based on the dynamic key.
2. The multi-node scanning implementation method according to claim 1, wherein the step S3 includes the steps of:
s301, receiving the broadcast signal by the airborne communication module, and replying a broadcast signal response to the ground maintenance equipment;
s302, the ground maintenance equipment judges whether the scanning response of the airborne communication module is received within the preset time for initiating the broadcast signal according to the broadcast signal response replied by the airborne communication module, if so, the step S303 is executed, otherwise, the step S4 is executed;
s303, according to the airborne communication module scanning response information received by the ground maintenance equipment, extracting the equipment ID number of the responding airborne communication module, and recording the equipment ID number in the scanned ground maintenance equipment ID array;
s304, decrypting the default secret key of the ground maintenance equipment;
s305, initiating key modification information to the airborne communication module responding to the ID array recorded in the ground maintenance equipment by using the decryption key, enabling the airborne communication module to encrypt a key modification instruction sent by the ground maintenance equipment by using the decryption key as an encryption key, completing the key modification of the airborne communication module, and returning to the step S2.
3. The multi-node scanning implementation method according to claim 2, wherein the step S4 includes the steps of:
s401, judging whether an airborne communication module is scanned or not according to the condition that whether the ground maintenance equipment ID array is empty or not, if so, entering the step S402, and if not, entering the step S7;
s402, modifying the ID array data of the ground maintenance equipment with the default key into a decryption key to enable the ground maintenance equipment to be consistent with the key changed by the scanned airborne communication module, and proceeding to step S5.
4. The multi-node scanning implementation method according to claim 3, wherein the step S5 includes the steps of:
s501, sending set key information to an airborne communication module recorded in the ID array of the ground maintenance equipment by the ground maintenance equipment;
s502, according to the set key information, modifying the encryption key data of the airborne communication module into a default key, and clearing the record of the airborne communication module in the scanned ground maintenance equipment ID array to complete the modification of the default key of the airborne communication module.
5. A multi-node scanning implementation system, comprising:
the starting module is used for starting a multi-node scanning task according to the received scanning instruction;
the initiating scanning module is used for initiating broadcast signals encrypted by adopting a default key to the plurality of airborne communication modules by the ground maintenance equipment;
the first judgment module is used for replying a broadcast signal response to the ground maintenance equipment by the airborne communication module according to the received broadcast signal, judging whether the ground maintenance equipment receives a scanning response of the airborne communication module or not by the ground maintenance equipment according to the broadcast signal response replied by the airborne communication module, if so, recording the number of the scanned airborne communication modules by the ground maintenance equipment, changing a secret key of the airborne communication module, and otherwise, executing the second judgment module;
the second judgment module is used for judging whether the airborne communication module is scanned or not, if so, the encryption key of the ground maintenance equipment is modified into the key modified by the airborne communication module, and if not, the scanning is finished;
the modification module is used for modifying the key changed by the airborne communication module into a default key;
the third judgment module is used for judging whether all the airborne communication modules modify the default secret key, if so, the default secret key of the ground maintenance equipment is reset, and otherwise, the modification module is executed;
and the reporting module is used for reporting the scanned airborne communication module, finishing the scanning task and realizing multi-node scanning based on the dynamic key.
6. The system of claim 5, wherein the first determining module comprises:
the response unit is used for receiving the broadcast signals by the airborne communication module and replying the broadcast signal response to the ground maintenance equipment;
the first judgment unit is used for judging whether the scanning response of the airborne communication module is received or not within the preset time for initiating the broadcast signal by the ground maintenance equipment according to the broadcast signal response replied by the airborne communication module;
the extraction unit is used for extracting the equipment ID number of the airborne communication module responding according to the airborne communication module scanning response information received by the ground maintenance equipment and recording the equipment ID number in the scanned ground maintenance equipment ID array;
the decryption unit is used for decrypting the default secret key of the ground maintenance equipment;
and the first modification unit is used for initiating the modification of the key information to the airborne communication module responding to the ID array recorded in the ground maintenance equipment by using the decryption key, so that the airborne communication module encrypts a key modification instruction sent by the ground maintenance equipment by using the decryption key as an encryption key, and the modification of the key of the airborne communication module is completed.
7. The multi-node scanning implementation system of claim 5, wherein the second determination module comprises:
the second judgment unit is used for judging whether the airborne communication module is scanned or not according to the condition that whether the ID array of the ground maintenance equipment is empty or not;
and the second modification unit is used for modifying the decryption key by the ID array data of the ground maintenance equipment in which the default key is placed, so that the ground maintenance equipment and the key changed by the scanned airborne communication module are kept consistent.
8. The multi-node scanning implementation system of claim 5, wherein the modification module comprises:
the sending unit is used for sending the set key information to the airborne communication module recorded in the ID array of the ground maintenance equipment by the ground maintenance equipment;
and the third modification unit is used for modifying the encryption key data of the airborne communication module into a default key according to the set key information, and removing the record of the airborne communication module in the scanned ground maintenance equipment ID array to complete the modification of the default key of the airborne communication module.
9. An electronic device comprising a memory, a processor and a computer program stored on the memory and running on the processor, the processor executing the program to perform the steps of the multi-node scanning implementation method as claimed in any one of claims 1-4.
10. A computer-readable storage medium storing a computer program, wherein the steps of a multi-node scanning implementation method according to any one of claims 1-4 are implemented when the computer program is executed.
CN202210308854.0A 2022-03-28 2022-03-28 Multi-node scanning implementation method, system, electronic equipment and storage medium Active CN114501343B (en)

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