CN113783955A - System and method for sharing environmental information of agricultural science and technology park based on block chain - Google Patents
System and method for sharing environmental information of agricultural science and technology park based on block chain Download PDFInfo
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- CN113783955A CN113783955A CN202111053893.2A CN202111053893A CN113783955A CN 113783955 A CN113783955 A CN 113783955A CN 202111053893 A CN202111053893 A CN 202111053893A CN 113783955 A CN113783955 A CN 113783955A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/10—Network architectures or network communication protocols for network security for controlling access to devices or network resources
- H04L63/105—Multiple levels of security
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2209/00—Arrangements in telecontrol or telemetry systems
- H04Q2209/20—Arrangements in telecontrol or telemetry systems using a distributed architecture
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2209/00—Arrangements in telecontrol or telemetry systems
- H04Q2209/80—Arrangements in the sub-station, i.e. sensing device
- H04Q2209/84—Measuring functions
Abstract
The invention provides an agricultural scientific and technological park environment information sharing system and method based on block chains, which comprises a sensing layer, a block chain layer, an intelligent contract layer and a sharing management layer, wherein the data normalization integration of sub-Internet of things with scattered sources is realized in a mode of directory storage on the block chains and extension storage under the chains, and the data privacy protection is realized by adopting authority control and authentication management.
Description
Technical Field
The invention relates to an environment information sharing technology, in particular to a system and a method for sharing environment information of an agricultural science and technology park based on a block chain.
Background
The agricultural science and technology park is an important carrier for improving the three-agriculture level of service and promoting the conversion of agricultural science and technology achievements in China, and the realization of environmental information monitoring and management in the agricultural science and technology park is an important content of the agricultural science and technology park datamation service. Along with the rapid development of the agricultural science and technology park, the geographical range of the park is larger and larger, and high and new technology enterprises and scientific research institutions in the park are more and more, environmental information such as soil, climate and the like becomes public information generally required by enterprises and scientific research institutions in the park, and the environmental information not only comprises the small-area environment of the enterprises and the scientific research institutions, but also comprises a large-area environment covering the whole park. However, the environmental information is often difficult to acquire due to the limitation of geographical positions and sensor arrangement conditions, which also becomes a difficult problem in many parks, especially in the straight plane of a park with a complex geographical environment. At present, high and new technology enterprises and scientific research institutions facing agricultural production in a garden are provided with a small-area environment monitoring Internet of things private system, information is rich and can be complemented, if the information can be shared, rich and wide-area environment information can be obtained, and repeated construction is avoided. However, private internet of things systems established by different enterprises and scientific research institutions have the problems of dispersed data sources, non-uniform formats, privacy problems in most of the systems, and the problem of how to efficiently and reliably fuse data is the problem of sharing of environment information of a park.
Disclosure of Invention
The technical problem is as follows:
in order to realize data sharing of environmental monitoring Internet of things subsystems of all small areas of an agricultural scientific and technological park, the invention provides a system and a method for sharing environmental information of the agricultural scientific and technological park based on a block chain, which solve the problems of data source dispersion, non-uniform format and data privacy existing in data sharing of all environmental monitoring sub Internet of things, and on the basis, information islands of the environmental monitoring sub Internet of things are fused on a public information service platform of the agricultural scientific and technological park to realize environmental information sharing.
The technical scheme is as follows:
in order to achieve the purpose, the invention adopts the technical scheme that:
a system and a method for sharing environmental information of an agricultural science and technology park based on a block chain comprise a sensing layer, a block chain layer, an intelligent contract layer and an interaction layer. The sensing layer comprises an environmental information acquisition module, a transmission module and a private Internet of things data management and storage module; the block chain layer comprises a data consensus mechanism algorithm module, an asymmetric encryption calculation module and a timestamp algorithm module and is used for realizing data security and decentralized data sharing; the intelligent contract layer comprises a remote data management module and an authentication management module; the sharing management layer comprises a sharing module and an authority control module.
Further, the block chain layer realizes the normalization integration of the sub-internet-of-things data with scattered sources in a manner of block chain upper directory storage and chain lower extension storage.
Further, the environmental information collection module collects information such as a temperature and humidity sensor, a soil water content sensor, a carbon dioxide sensor, an illumination sensor, a crop growth remote sensing detector and a camera, and sends the information to the sub-internet-of-things data management and storage module through the transmission module, the sub-internet-of-things data management and storage module receives and stores environmental information in the sub-internet-of-things, and sends the equipment type, the equipment ID, the equipment state, the data updating time and the data content abstract to the remote data management module.
Further, the remote data management module comprises a state database for recording all information registered in the blockchain, and storing the abstract of the information in a key-value pair mode; the keys correspond to the sensor equipment in the sub-Internet of things one by one, and the format is as follows: device ID >, value is a series of key-value pairs, and the value field includes: device ID, device status (identifying whether the device is on or off, etc.), content digest of the recorded data, and data update time.
Further, the authentication of the authentication management module comprises the steps of:
(1) the authentication management module issues a pair of security keys, namely a public key and a private key, to each sub-Internet of things and the sharing module. The sharing module stores the public key passwords of all the sub-Internet of things, and the sub-Internet of things stores the public key passwords of the sharing module;
(2) each user role in the authentication management module has corresponding authority, the user roles can be mutually dependent and converted, different user roles correspond to different data source authorities, and the authority control module executes user role authority authentication.
Further, the control method of the authority control module comprises the following steps:
(1) a data request user applies for interface access authority to a platform client in a sharing module; the client requests the platform server through the interface. After the platform server receives the request, the server encrypts the request information using the requesting user's private key to generate a digital signature. The digital signature is added after the plain text request.
(2) The platform server returns the encrypted request to the platform client, and the unified management platform client in the authority control module authenticates the request. The unified management platform server inquires the role authority corresponding to the request user to obtain an authentication result (authentication success, authentication failure and the like). Authentication failure goes to step (3), otherwise, go to step (4).
(3) And the authority control module returns a result of authentication failure to the platform server, and records the processing result in the unified management platform server.
(4) And the authority control module locates the abstract of the requested information in the data management module, and inquires the corresponding public key password in the sharing module according to the organization ID to which the data belongs.
(5) The sharing module encrypts the request information using its own private key to generate a digital signature, which is added after the plain text request.
(6) And (4) the sharing module decrypts the result returned by the request according to the private key password inquired in the step (4), and returns the result to the platform client.
(7) And the authority control module records the processing result in the unified management platform server.
Has the advantages that:
according to the invention, the data normalization integration of the sub-Internet of things with scattered sources is realized by adopting a block chain on-directory storage and chain down-extension storage mode, the data privacy protection is realized by adopting authority control and authentication management, a large number of heterogeneous environment monitoring sub-Internet of things information islands established in the agricultural scientific and technological park can be fused on a public information service platform of the agricultural scientific and technological park, and the environment information sharing covering the whole park is realized.
Drawings
Fig. 1 is a system architecture diagram of the present invention.
Detailed Description
In order to make the objects, contents and advantages of the present invention more clear, the following description will be made of embodiments of the present invention with reference to the accompanying drawings. The present embodiment is implemented on the premise of the technical solution of the present invention, but the scope of the present invention is not limited to the following embodiments.
As shown in fig. 1, a system and a method for sharing environmental information of an agricultural technology park based on a block chain include a sensing layer, a block chain layer, an intelligent contract layer, and a sharing management layer. The sensing layer comprises an environmental information acquisition module, a transmission module and a sub-Internet of things data management and storage module, and data are stored in a mode of combining block chain upper directory storage and chain lower extension storage; the block chain layer comprises a data consensus mechanism algorithm module, an asymmetric encryption module and a timestamp algorithm module, and helps to realize a safe and decentralized data sharing system; the intelligent contract layer comprises a remote data management module and an authentication management module; the interaction layer comprises a sharing module and an authority control module; the application layer comprises an account system module and a data management module.
As an embodiment of the invention, the block chain layer realizes the normalization and integration of the sub-internet-of-things data with dispersed sources in a manner of directory storage on the block chain and extended storage under the block chain.
As an embodiment of the present invention, the environment information collecting module collects data of temperature and humidity, soil moisture, carbon dioxide, illumination sensor, crop growth remote sensing detector, camera, and the like. The environment information acquisition module acquires environment information and sends the environment information to the sub-internet-of-things management and storage module through the transmission module. And the sub-Internet of things management and storage module receives and stores the environment data of the sub-Internet of things, and sends the public environment information directory acquired by each sensor to the remote data management module according to the format of < equipment type, equipment ID, equipment state, data updating time and data content abstract >.
As an embodiment of the present invention, the remote data management module includes a status database to record all information registered in the blockchain, and stores the summary of the information in a key-value pair < key-value >; the keys correspond to the sensor equipment in the sub-Internet of things one by one, and the format is as follows: device ID >, value is a series of key-value pairs, and the value field includes: device ID, device status (identifying whether the device is on or off, etc.), content digest of the recorded data, and data update time.
As an embodiment of the present invention, the authentication of the authentication management module includes the steps of:
(1) the authentication management module issues a pair of security keys, namely a public key and a private key, to each sub-Internet of things and the sharing module. The sharing module stores the public key passwords of all the sub-Internet of things, and the sub-Internet of things stores the public key passwords of the sharing module;
(2) each user role in the authentication management module has corresponding authority, the user roles can be mutually dependent and converted, different user roles correspond to different data source authorities, and the authority control module executes user role authority authentication.
As an embodiment of the present invention, a control method of the right control module includes:
(1) a data request user applies for interface access authority to a platform client in a sharing module; the client requests the platform server through the interface. After the platform server receives the request, the server encrypts the request information using the requesting user's private key to generate a digital signature. The digital signature is added after the plain text request.
(2) The platform server returns the encrypted request to the platform client, and the unified management platform client in the authority control module authenticates the request. The unified management platform server inquires the role authority corresponding to the request user to obtain an authentication result (authentication success, authentication failure and the like). Authentication failure goes to step (3), otherwise, go to step (4).
(3) And the authority control module returns a result of authentication failure to the platform server, and records the processing result in the unified management platform server.
(4) The authority control module locates the abstract of the requested information in the data management module, and inquires the corresponding public key password in the sharing module according to the organization ID to which the data belongs.
(5) The sharing module encrypts the request information by using a private key of the sharing module to generate a digital signature, and the digital signature is added after the plain text request.
(6) And (4) the sharing module decrypts the result returned by the request according to the public key password inquired in the step (4), and returns the result to the platform client.
(7) And the authority control module records the processing result in the unified management platform server.
In summary, the invention realizes the normalization and integration of the data of the sub-internet of things with scattered sources by adopting the ways of directory storage on the block chain and extended storage under the chain, and realizes the data privacy protection by adopting the authority control and the authentication management; based on the technology, a large number of heterogeneous environment monitoring sub-Internet of things information islands established in the agricultural science and technology park can be fused to the public information service platform of the agricultural science and technology park, and environment information sharing is achieved.
Claims (6)
1. A block chain-based agricultural science and technology park environment information sharing system and method are characterized in that: the system comprises a sensing layer, a block chain layer, an intelligent contract layer and a sharing management layer, wherein the sensing layer comprises an environmental information acquisition module, a transmission module and a private Internet of things data management and storage module; the block chain layer comprises a data consensus mechanism algorithm module, an asymmetric encryption calculation module and a timestamp algorithm module and is used for realizing data security and decentralized data sharing; the intelligent contract layer comprises a remote data management module and an authentication management module; the sharing management layer comprises a sharing module and an authority control module.
2. The system and method for sharing environmental information of a block chain-based agricultural technology park according to claim 1, wherein: the block chain layer realizes the normalization integration of the sub-internet-of-things data with scattered sources in a manner of block chain upper directory storage and chain lower extension storage.
3. The system and method for sharing environmental information of a block chain-based agricultural technology park according to claim 1, wherein: the environment information acquisition module is used for acquiring information such as a temperature and humidity sensor, a soil water content sensor, a carbon dioxide sensor, an illumination sensor, a crop growth remote sensing detector, a camera and the like, transmitting the information to the sub-Internet of things data management and storage module through the transmission module, receiving and storing the environment information in the sub-Internet of things data management and storage module, and transmitting the equipment type, the equipment ID, the equipment state, the data updating time and the data content abstract to the remote data management module.
4. The system and method for sharing environmental information of a block chain-based agricultural technology park according to claim 1, wherein: the remote data management module comprises a state database for recording all information registered in the block chain and storing the abstract of the information in a key-value pair mode; the keys correspond to the sensor equipment in the sub-Internet of things one by one, and the format is as follows: device ID >, value is a series of key-value pairs, and the value field includes: device ID, device status (identifying whether the device is on or off, etc.), content digest of the recorded data, and data update time.
5. The system and method for sharing environmental information of a block chain-based agricultural technology park according to claim 1, wherein: the authentication of the authentication management module comprises the following steps:
(1) the authentication management module issues a pair of security keys, namely a public key and a private key, to each sub-Internet of things and the sharing module. The sharing module stores the public key passwords of all the sub-Internet of things, and the sub-Internet of things stores the public key passwords of the sharing module;
(2) each user role in the authentication management module has corresponding authority, the user roles can be mutually dependent and converted, different user roles correspond to different data source authorities, and the authority control module executes user role authority authentication.
6. The system and method for sharing environmental information of a block chain-based agricultural technology park according to claim 1, wherein: the control method of the authority control module comprises the following steps:
(1) a data request user applies for interface access authority to a platform client in a sharing module; the client requests the platform server through the interface. After the platform server receives the request, the server encrypts the request information using the requesting user's private key to generate a digital signature. The digital signature is added after the plain text request.
(2) The platform server returns the encrypted request to the platform client, and the unified management platform client in the authority control module authenticates the request. The unified management platform server inquires the role authority corresponding to the request user to obtain an authentication result (authentication success, authentication failure and the like). Authentication failure goes to step (3), otherwise, go to step (4).
(3) And the authority control module returns a result of authentication failure to the platform server, and records the processing result in the unified management platform server.
(4) And the authority control module locates the abstract of the requested information in the data management module, and inquires the corresponding public key password in the sharing module according to the organization ID to which the data belongs.
(5) The sharing module encrypts the request information using its own private key to generate a digital signature, which is added after the plain text request.
(6) And (4) the sharing module decrypts the result returned by the request according to the private key password inquired in the step (4), and returns the result to the platform client.
(7) And the authority control module records the processing result in the unified management platform server.
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Application publication date: 20211210 |