CN113923655B - Data decryption receiving method and device based on adjacent nodes - Google Patents

Abstract

The embodiment of the application discloses a data decryption receiving method and device based on adjacent nodes, wherein the method comprises the following steps: the method comprises the steps that the terminal equipment of the Internet of things receives ciphertext data sent by an application server, and relevant decryption equipment identifiers are recorded in the ciphertext data; the terminal equipment of the Internet of things establishes communication connection with the node equipment corresponding to the decryption equipment identifier, wherein the terminal equipment of the Internet of things and the node equipment are two different intelligent equipment in the same network; and the terminal equipment of the Internet of things sends an information acquisition instruction to the node equipment so as to acquire key information, and decrypts the ciphertext data according to the key information to obtain decrypted data. According to the scheme, the safety of data transmission of the Internet of things is improved, and the fault tolerance mechanism is higher.

Description

Data decryption and receiving method and device based on adjacent nodes

technical field

The embodiments of the present application relate to the technical field of the Internet of Things, and in particular to a method and device for decrypting and receiving data based on adjacent nodes.

Background technique

With the popularization of Internet of Things technology and the powerful functions of smart devices, Internet of Things devices play an increasingly important role in people's daily life. When a large number of traditional devices undergo digital transformation, there is almost no synchronous configuration protection capability, which affects the overall security and reliability of the Internet of Things. At the same time, due to the integration and diversification of IoT terminals and applications, more security uncertainties have been brought to the IoT business. The ever-increasing variety of Internet of Things interconnected devices provides attackers with a huge and extensive network attack portal, causing the Internet of Things to face a large number of problems and challenges.

In the prior art, there is a data encryption and decryption method that uses a secure intermediate device for indirect verification. This method has high requirements on the security of the intermediate device. Once a problem occurs, there is a risk that all information under the network will be leaked; in addition One solution is to separately set corresponding key data for each node device, but for a single node in this way, once it is cracked, it will cause a large amount of data leakage in a short time, and the fault tolerance mechanism is poor.

Contents of the invention

Embodiments of the present invention provide a method and device for decrypting and receiving data based on adjacent nodes, which improves the security of data transmission in the Internet of Things and has a higher fault tolerance mechanism.

In the first aspect, the embodiment of the present invention provides a method for receiving data decryption based on adjacent nodes, the method includes:

The Internet of Things terminal device receives the ciphertext data sent by the application server, and the ciphertext data records the associated decryption device identifier;

The IoT terminal device establishes a communication connection with the node device corresponding to the decryption device identifier, wherein the IoT terminal device and the node device are two different smart devices under the same network;

The Internet of Things terminal device sends an information acquisition instruction to the node device to obtain key information, and decrypts the ciphertext data according to the key information to obtain decrypted data.

Optionally, the Internet of Things terminal device establishes a communication connection with a node device corresponding to the decryption device identifier, including:

The IoT terminal device decrypts the ciphertext data according to the locally stored first key to obtain a decrypted device identifier and first ciphertext data;

The IoT terminal device determines the node device corresponding to the decryption device identifier;

The IoT terminal device determines a network connection mode with the node device, and establishes a communication connection with the node device according to the network connection mode.

Optionally, after the Internet of Things terminal device sends an information acquisition instruction to the node device to obtain key information, it further includes:

The node device determines, according to the information acquisition instruction, key information stored in association with the Internet of Things terminal device, and sends the key information to the Internet of Things terminal device.

Optionally, the decrypting the ciphertext data according to the key information to obtain decrypted data includes:

Decrypting the first ciphertext data by using the key information to obtain decrypted data.

Optionally, before the IoT terminal device receives the ciphertext data sent by the application server, it also includes:

The application server obtains the data to be sent and the corresponding IoT terminal device to be sent to;

Determining the networking node information data table under the IoT terminal device, selecting a node device in the networking node information table, obtaining the decryption device identifier of the selected node device, and the decryption device identifier associated with the decryption device identifier node encryption key;

Encrypting the data to be sent with the node encryption key, and encrypting the decryption device identifier with the encryption public key, and combining the obtained encrypted data into ciphertext data;

Send the ciphertext data to the IoT terminal device.

Optionally, selecting a node device in the networking node information table includes:

Determine the calling frequency of each node device in the networking node information table;

A node device is determined according to the calling frequency.

Optionally, before the IoT terminal device receives the ciphertext data sent by the application server, it also includes:

After the server establishes a secure communication transmission link with each node device in the networking, it receives and stores the identification and corresponding key information sent by each node device.

In the second aspect, the embodiment of the invention also provides a data decryption receiving device based on adjacent nodes, including:

The data receiving module is used to receive the ciphertext data sent by the application server, and the ciphertext data records the associated decryption device identification;

A network connection communication module, configured to establish a communication connection with a node device corresponding to the decryption device identifier, wherein the IoT terminal device and the node device are two different smart devices under the same network;

The data decryption module is configured to send an information acquisition instruction to the node device to obtain key information, and decrypt the ciphertext data according to the key information to obtain decrypted data.

In the third aspect, the embodiment of the present invention also provides a neighboring node-based data decryption receiving device, which includes:

one or more processors;

storage means for storing one or more programs,

When the one or more programs are executed by the one or more processors, the one or more processors are made to implement the adjacent node-based data decryption and receiving method described in the embodiment of the present invention.

In the fourth aspect, the embodiment of the present invention also provides a storage medium containing computer-executable instructions, the computer-executable instructions are used to execute the adjacent node-based Data decryption receiving method.

In the embodiment of the present invention, the ciphertext data sent by the application server is received by the terminal device of the Internet of Things, and the associated decryption device identifier is recorded in the ciphertext data; the terminal device of the Internet of Things establishes a node corresponding to the decryption device identifier The communication connection of the device, wherein, the IoT terminal device and the node device are two different intelligent devices under the same network; the IoT terminal device sends an information acquisition instruction to the node device to obtain the password key information, and decrypt the ciphertext data according to the key information to obtain decrypted data. This solution improves the security of IoT data transmission and has a higher fault tolerance mechanism.

Description of drawings

FIG. 1 is a flow chart of a method for receiving data decryption based on adjacent nodes provided by an embodiment of the present invention;

FIG. 2 is a flow chart of another adjacent node-based data decryption and reception method provided by an embodiment of the present invention;

FIG. 3 is a flow chart of another adjacent node-based data decryption and reception method provided by an embodiment of the present invention;

FIG. 4 is a structural block diagram of an adjacent node-based data decryption receiving device provided by an embodiment of the present invention;

Fig. 5 is a schematic structural diagram of a device provided by an embodiment of the present invention.

Detailed ways

The embodiments of the present invention will be further described in detail below in conjunction with the drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the embodiments of the present invention, rather than to limit the embodiments of the present invention. In addition, it should be noted that, for the convenience of description, the drawings only show some but not all structures related to the embodiments of the present invention.

Fig. 1 is a flow chart of a method for decrypting and receiving data based on adjacent nodes provided by an embodiment of the present invention. This embodiment is applicable to decrypting data transmitted by the Internet of Things. The scheme of an embodiment of the present application specifically includes the following steps:

Step S101, the Internet of Things terminal device receives the ciphertext data sent by the application server, and the ciphertext data records the associated decryption device identifier.

In one embodiment, the IoT terminal device and the application server perform data transmission, and receive ciphertext data sent by the application server, where the ciphertext data is obtained by encrypting the data sent by the application server with an encryption key. Wherein, the associated decryption device identifier is recorded in the ciphertext data, wherein the decryption device identifier uniquely corresponds to a node device, and the node device is in the same group network as the IoT terminal device that receives the ciphertext data. For example, there are 20 IoT terminal devices in a network, and each terminal device can be used as a node device. The 20 node devices are in the same network. The network can be an example of an internal wifi network or a wireless local area network. wait.

Step S102, the IoT terminal device establishes a communication connection with the node device corresponding to the decryption device identifier.

In one embodiment, the IoT terminal establishes a communication connection with the node device corresponding to the decryption device identifier. Generally, when the node devices in the networking are not performing data transmission, in order to reduce power consumption, they adopt a low power consumption operation mode. At this point, after the IoT terminal determines the node device corresponding to the decrypted device identifier, it sends a wake-up instruction to the node device to establish a communication connection with it.

Step S103, the Internet of Things terminal device sends an information acquisition instruction to the node device to obtain key information, and decrypts the ciphertext data according to the key information to obtain decrypted data.

In one embodiment, after the node device is determined and connected to a secure network (internal local area network), the key information stored in the node device is obtained, and the ciphertext data is decrypted according to the key information to obtain the decryption data.

It can be seen from this that the ciphertext data sent by the application server is received by the terminal device of the Internet of Things, and the associated decryption device identifier is recorded in the ciphertext data; the terminal device of the Internet of Things establishes the node device corresponding to the decryption device identifier Communication connection, wherein, the IoT terminal device and the node device are two different smart devices under the same network; the IoT terminal device sends an information acquisition instruction to the node device to obtain key information , according to the key information, decrypt the ciphertext data to obtain decrypted data. In this solution, the security of data transmission in the Internet of Things is improved, and the fault tolerance mechanism is higher.

FIG. 2 is a flow chart of another adjacent node-based data decryption and reception method provided by an embodiment of the present invention. On the basis of the above technical solution, the IoT terminal device establishes a communication connection with the node device corresponding to the decryption device identifier, including:

The IoT terminal device decrypts the ciphertext data according to the locally stored first key to obtain a decrypted device identifier and first ciphertext data;

The IoT terminal device determines the node device corresponding to the decryption device identifier;

The IoT terminal device determines a network connection mode with the node device, and establishes a communication connection with the node device according to the network connection mode. Specifically:

Step S201, the Internet of Things terminal device receives the ciphertext data sent by the application server, and the ciphertext data records the associated decryption device identifier.

Step S202, the IoT terminal device decrypts the ciphertext data according to the locally stored first key to obtain a decrypted device ID and first ciphertext data; the IoT terminal device determines the decrypted device ID corresponding to A node device; the IoT terminal device determines a network connection mode with the node device, and establishes a communication connection with the node device according to the network connection mode.

In one embodiment, the terminal device of the Internet of Things stores a first key locally, and decrypts the ciphertext data through the first key to obtain the decrypted device identifier and the first ciphertext data, wherein the ciphertext data is stored on the server When sending, it can be the data formed by combining two pieces of data, one of which is the encrypted first ciphertext data of the business data actually sent, and the encrypted data of the decryption device identification, for the decryption device identification The decrypted key is stored in the IoT terminal device, that is, the IoT terminal device itself can be decrypted to obtain the decrypted device ID, and the decrypted device ID corresponds to another node device under the network, and the other segment of the corresponding ciphertext data is The first ciphertext data needs to be decrypted by using the decryption key of the node device corresponding to the decryption device identifier.

In one embodiment, the IoT terminal device determines a network connection mode with the node device, and establishes a communication connection with the node device according to the network connection mode. Wherein, the network connection mode includes internal local area network connection, wifi wireless network connection, bluetooth connection and the like. This solution can be flexibly processed according to different forms of IoT networking.

Step S203, the IoT terminal device establishes a communication connection with the node device corresponding to the decryption device identifier.

Step S204, the Internet of Things terminal device sends an information acquisition instruction to the node device to obtain key information, and decrypts the ciphertext data according to the key information to obtain decrypted data.

It can be seen from the above that the terminal device of the Internet of Things decrypts the ciphertext data according to the locally stored first key to obtain the decrypted device identifier and the first ciphertext data; the terminal device of the Internet of Things determines the node device; the Internet of Things terminal device determines the network connection mode with the node device, and establishes a communication connection with the node device according to the network connection mode, which ensures the security of data transmission, improves the difficulty of data cracking, and optimizes the Data transfer mechanism.

On the basis of the above technical solution, after the Internet of Things terminal device sends an information acquisition instruction to the node device to obtain key information, it also includes: the node device determines and the object The associated stored key information corresponding to the networked terminal device, and the key information is sent to the IoT terminal device. That is, when the node device receives the information acquisition instruction, it sends the key information stored by itself to the IoT terminal device to decrypt the first ciphertext data to obtain decrypted data. Preferably, after the terminal device of the Internet of Things decrypts the decrypted data, the obtained key information sent by the node device is deleted.

On the basis of the above technical solution, the decrypting the ciphertext data according to the key information to obtain decrypted data includes: using the key information to decrypt the first ciphertext data to obtain decrypted data.

FIG. 3 is a flow chart of another adjacent node-based data decryption and reception method provided by an embodiment of the present invention. On the basis of the above technical solution, before the IoT terminal device receives the ciphertext data sent by the application server, it also includes:

The application server obtains the data to be sent and the corresponding IoT terminal device to be sent to;

Determining the networking node information data table under the IoT terminal device, selecting a node device in the networking node information table, obtaining the decryption device identifier of the selected node device, and the decryption device identifier associated with the decryption device identifier node encryption key;

Encrypting the data to be sent with the node encryption key, and encrypting the decryption device identifier with the encryption public key, and combining the obtained encrypted data into ciphertext data;

Send the ciphertext data to the IoT terminal device. Specifically:

Step S301, the application server obtains the data to be sent and the corresponding IoT terminal device to which it is sent, determines the networking node information data table under the IoT terminal device, and selects a node device in the networking node information table.

Wherein, the network node information data table records the decryption device identifier and the corresponding encryption key of each node device in the network where the IoT terminal device is located.

Step S302, obtain the decryption device ID of the selected node device, and the node encryption key associated with the decryption device ID, encrypt the data to be sent by the node encryption key, and use the encryption public key to The decryption device identifier is encrypted, and the obtained encrypted data is combined into ciphertext data, and the ciphertext data is sent to the IoT terminal device.

Wherein, after the data to be sent is encrypted by the encryption key of the node device, the decryption device identifier is encrypted by the encryption public key, and the obtained encrypted data is combined into ciphertext data.

Step S303, the IoT terminal device receives the ciphertext data sent by the application server, and the ciphertext data records the associated decryption device identifier.

Step S304, the terminal device of the Internet of Things decrypts the ciphertext data according to the locally stored first key (that is, the decryption public key shared with the application server) to obtain the decrypted device identifier and the first ciphertext data; The networked terminal device determines the node device corresponding to the decryption device identifier; the IoT terminal device determines a network connection mode with the node device, and establishes a communication connection with the node device according to the network connection mode.

Step S305, the IoT terminal device establishes a communication connection with the node device corresponding to the decryption device identifier.

Step S306, the Internet of Things terminal device sends an information acquisition instruction to the node device to obtain key information, and decrypts the ciphertext data according to the key information to obtain decrypted data.

It can be seen from the above that the data to be sent and the corresponding IoT terminal device to be sent are obtained through the application server; the networking node information data table under the IoT terminal device is determined, and a node is selected in the networking node information table device, obtaining the decryption device ID of the selected node device, and the node encryption key associated with the decryption device ID; encrypting the data to be sent by using the node encryption key, and encrypting the data to be sent by using the encryption public key The decryption device identifier is encrypted, and the obtained encrypted data is combined into ciphertext data; the ciphertext data is sent to the IoT terminal device, which improves data security and reduces the risk of data being cracked or a single terminal being The data leakage problem caused by intrusion has optimized the data encryption and decryption mechanism.

On the basis of the above technical solution, selecting a node device in the networking node information table includes: determining the calling frequency of each node device in the networking node information table; and determining a node device according to the calling frequency. In one embodiment, for a terminal device of the Internet of Things, the server will frequently send multiple different service data, and each time the service data is sent, it will call a node device to assist in decryption. Optionally, each time the The selected auxiliary node device records the number of times it is called. When it is selected again, it is selected according to the recorded number of times, such as the average selection method, and each node device evenly decrypts auxiliary service data. In this way, the data processing time of each node device is balanced, and the data decryption receiving method is optimized.

On the basis of the above technical solution, before the terminal device of the Internet of Things receives the ciphertext data sent by the application server, it also includes: after the server establishes a secure communication transmission link with each node device in the network, it receives the data sent by each node device The identifier and the corresponding key information are stored.

Fig. 4 is a structural block diagram of an adjacent node-based data decryption receiving device provided by an embodiment of the present invention, the device is used to execute the adjacent node-based data decryption receiving method provided by the above-mentioned data receiving end embodiment, and has an execution method Corresponding functional modules and beneficial effects. As shown in Figure 4, the device specifically includes: a data receiving module 101, a networking connection communication module 102 and a data decryption module 103, wherein,

The data receiving module 101 is configured to receive the ciphertext data sent by the application server, and the ciphertext data records the associated decryption device identification;

A network connection communication module 102, configured to establish a communication connection with a node device corresponding to the decryption device identifier, wherein the IoT terminal device and the node device are two different smart devices under the same network;

The data decryption module 103 is configured to send an information acquisition instruction to the node device to obtain key information, and decrypt the ciphertext data according to the key information to obtain decrypted data.

It can be seen from the above scheme that the ciphertext data sent by the application server is received by the terminal device of the Internet of Things, and the associated decryption device identifier is recorded in the ciphertext data; the terminal device of the Internet of Things establishes a node device corresponding to the decryption device identifier communication connection, wherein the IoT terminal device and the node device are two different smart devices under the same network; the IoT terminal device sends an information acquisition instruction to the node device to obtain a key information, and decrypt the ciphertext data according to the key information to obtain decrypted data. This solution improves the security of IoT data transmission and has a higher fault tolerance mechanism.

In a possible embodiment, the networking connection communication module is specifically used for:

The IoT terminal device decrypts the ciphertext data according to the locally stored first key to obtain a decrypted device identifier and first ciphertext data;

The IoT terminal device determines the node device corresponding to the decryption device identifier;

The IoT terminal device determines a network connection mode with the node device, and establishes a communication connection with the node device according to the network connection mode.

In a possible embodiment, the data decryption module is also used for:

After the Internet of Things terminal device sends an information acquisition instruction to the node device to obtain key information, the node device determines the associated stored key information corresponding to the Internet of Things terminal device according to the information acquisition instruction , and send the key information to the IoT terminal device.

In a possible embodiment, the data decryption module is specifically configured to:

Decrypting the first ciphertext data by using the key information to obtain decrypted data.

In a possible embodiment, the device further includes a server encryption module, configured to: before the Internet of Things terminal device receives the ciphertext data sent by the application server, the application server acquires the data to be sent and the corresponding Internet of Things terminal device ;

Determining the networking node information data table under the IoT terminal device, selecting a node device in the networking node information table, obtaining the decryption device identifier of the selected node device, and the decryption device identifier associated with the decryption device identifier node encryption key;

Encrypting the data to be sent with the node encryption key, and encrypting the decryption device identifier with the encryption public key, and combining the obtained encrypted data into ciphertext data;

Send the ciphertext data to the IoT terminal device.

In a possible embodiment, the server encryption module is specifically used for:

Determine the calling frequency of each node device in the networking node information table;

A node device is determined according to the calling frequency.

In a possible embodiment, the networking connection communication module is also used for:

Before the IoT terminal device receives the ciphertext data sent by the application server, the server receives the identification and the corresponding key information sent by each node device after establishing a secure communication transmission link with each node device in the network, and stores them .

FIG. 5 is a schematic structural diagram of a data decryption receiving device based on adjacent nodes provided by an embodiment of the present invention. As shown in FIG. 5 , the device includes a processor 201, a memory 202, an input device 203, and an output device 204; The number of processors 201 can be one or more, and one processor 201 is taken as an example in FIG. Take connection via bus as an example. As a computer-readable storage medium, the memory 202 can be used to store software programs, computer-executable programs and modules, such as program instructions/modules corresponding to the method for decrypting and receiving data based on adjacent nodes in the embodiment of the present invention. The processor 201 executes various functional applications and data processing of the device by running software programs, instructions and modules stored in the memory 202, that is, realizes the above-mentioned adjacent node-based data decryption and receiving method. The input device 203 can be used to receive input numbers or character information, and generate key signal input related to user settings and function control of the device. The output device 204 may include a display device such as a display screen.

An embodiment of the present invention also provides a storage medium containing computer-executable instructions, the computer-executable instructions are used to execute a neighboring node-based data decryption and receiving method when executed by a computer processor, the method comprising:

The Internet of Things terminal device receives the ciphertext data sent by the application server, and the ciphertext data records the associated decryption device identifier;

The IoT terminal device establishes a communication connection with the node device corresponding to the decryption device identifier, wherein the IoT terminal device and the node device are two different smart devices under the same network;

The Internet of Things terminal device sends an information acquisition instruction to the node device to obtain key information, and decrypts the ciphertext data according to the key information to obtain decrypted data.

Through the above description of the implementation, those skilled in the art can clearly understand that the embodiment of the present invention can be implemented by means of software and necessary general-purpose hardware, of course, it can also be implemented by hardware, but in many cases the former is better implementation. Based on this understanding, the essence of the technical solution of the embodiment of the present invention or the part that contributes to the prior art can be embodied in the form of a software product, and the computer software product can be stored in a computer-readable storage medium, such as a computer floppy disk, read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), flash memory (FLASH), hard disk or optical disc, etc., including several instructions to make a computer device (which can be personal computer, service, or network equipment, etc.) execute the methods described in the various embodiments of the embodiments of the present invention.

It is worth noting that, in the above-mentioned embodiment of the data decryption receiving device based on adjacent nodes, the included units and modules are only divided according to functional logic, but are not limited to the above-mentioned division, as long as the corresponding functions can be realized That is; in addition, the specific names of the functional units are only for the convenience of distinguishing each other, and are not used to limit the protection scope of the embodiments of the present invention.

Note that the above are only preferred embodiments and technical principles used in the embodiments of the present invention. Those skilled in the art will understand that the embodiments of the present invention are not limited to the specific embodiments described here, and those skilled in the art can make various obvious changes, readjustments and substitutions without departing from the protection scope of the embodiments of the present invention . Therefore, although the embodiments of the present invention have been described in detail through the above embodiments, the embodiments of the present invention are not limited to the above embodiments, and may include more other equivalents without departing from the concept of the embodiments of the present invention. embodiment, and the scope of the embodiments of the present invention is determined by the scope of the appended claims.

Claims (7)

1. A method for receiving data decryption based on neighboring nodes, comprising:

the application server acquires data to be transmitted and corresponding terminal equipment of the Internet of things;

determining a networking node information data table under the terminal equipment of the Internet of things, selecting a node equipment in the networking node information table, acquiring a decryption equipment identifier of the selected node equipment, and acquiring a node encryption key associated with the decryption equipment identifier;

encrypting the data to be transmitted through the node encryption key, encrypting the decryption equipment identifier through an encryption public key, and combining the obtained encrypted data into ciphertext data;

the ciphertext data is sent to the terminal equipment of the Internet of things;

the method comprises the steps that the terminal equipment of the Internet of things receives ciphertext data sent by an application server, and relevant decryption equipment identifiers are recorded in the ciphertext data;

the method comprises the steps that the terminal equipment of the Internet of things establishes communication connection with node equipment corresponding to the decryption equipment identifier, wherein the terminal equipment of the Internet of things and the node equipment are two different intelligent equipment in the same network, the terminal equipment of the Internet of things and the node equipment are included, the terminal equipment of the Internet of things decrypts the ciphertext data according to a first secret key stored locally to obtain the decryption equipment identifier and first ciphertext data, the terminal equipment of the Internet of things determines the node equipment corresponding to the decryption equipment identifier, the terminal equipment of the Internet of things determines a network connection mode of the terminal equipment of the Internet of things and establishes communication connection with the node equipment according to the network connection mode;

and the terminal equipment of the Internet of things sends an information acquisition instruction to the node equipment so as to acquire key information, and decrypts the first ciphertext data through the key information to obtain decrypted data.

2. The method for decrypting and receiving data based on a neighboring node according to claim 1, further comprising, after the terminal device of the internet of things sends an information acquisition instruction to the node device to acquire key information:

and the node equipment determines the associated stored key information corresponding to the terminal equipment of the Internet of things according to the information acquisition instruction, and sends the key information to the terminal equipment of the Internet of things.

3. The method for decrypting and receiving data based on a neighboring node according to claim 1, wherein selecting a node device in the networking node information table comprises:

determining the calling frequency of each node device of the networking node information table;

and determining a node device according to the calling frequency.

4. The data decryption receiving method based on neighboring nodes according to claim 1, further comprising, before the terminal device of the internet of things receives ciphertext data sent by the application server:

after establishing a secure communication transmission link with the node equipment in each networking, the server receives the identification sent by each node equipment and the corresponding key information and stores the identification.

5. A data decryption reception apparatus based on a neighboring node, comprising:

the server encryption module is used for acquiring data to be transmitted and corresponding data transmitted to the terminal equipment of the Internet of things, determining a networking node information data table under the terminal equipment of the Internet of things, selecting a node equipment in the networking node information table, acquiring a decryption equipment identifier of the selected node equipment and a node encryption key associated with the decryption equipment identifier, encrypting the data to be transmitted through the node encryption key, encrypting the decryption equipment identifier through an encryption public key, combining the obtained encrypted data into ciphertext data, and transmitting the ciphertext data to the terminal equipment of the Internet of things;

the data receiving module is used for receiving ciphertext data sent by the application server, and the ciphertext data is recorded with an associated decryption equipment identifier;

the network connection communication module is used for establishing communication connection of node equipment corresponding to the decryption equipment identifier, wherein the Internet of things terminal equipment and the node equipment are two different intelligent equipment in the same network, and the network connection communication module is specifically used for decrypting the ciphertext data according to a first secret key stored locally by the Internet of things terminal equipment to obtain the decryption equipment identifier and first ciphertext data, the Internet of things terminal equipment determines the node equipment corresponding to the decryption equipment identifier, the Internet of things terminal equipment determines a network connection mode of the node equipment, and establishes communication connection with the node equipment according to the network connection mode;

and the data decryption module is used for sending an information acquisition instruction to the node equipment so as to acquire key information, and decrypting the first ciphertext data through the key information to obtain decrypted data.

6. A neighbor node-based data decryption receiving apparatus, the apparatus comprising: one or more processors; storage means for storing one or more programs which, when executed by the one or more processors, cause the one or more processors to implement the neighbor node based data decryption reception method of any of claims 1-4.

7. A storage medium containing computer executable instructions which, when executed by a computer processor, are for performing the neighbor node-based data decryption reception method of any one of claims 1-4.