CN113835378A - Wisdom garden information security transmission system based on thing networking - Google Patents
Wisdom garden information security transmission system based on thing networking Download PDFInfo
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Abstract
The invention discloses an intelligent park information safety transmission system based on the Internet of things, which can provide high-speed, low-delay and wide-coverage data connection and transmission, and can carry out real-time scheduling on patrol terminals according to application, so that the problems that the data volume of a monitoring system is low, information of each monitoring area cannot be shared, and response cannot be timely made to special conditions are solved. Different block nodes can be realized according to different areas and application scenes, each sensing device can serve different application service layers, namely each sensing layer node covers various sensing devices according to different application scenes, sharing use can be carried out through a mobile phone interaction system or front-end control equipment according to actual application, virus risk identification and file rewriting judgment are carried out on transmitted information data, bidirectional authentication is carried out, the sensing information data can be transmitted only after the bidirectional authentication is successful, a unique and safe communication channel is formed, and the safety of the transmitted data is guaranteed from multiple angles.
Description
Technical Field
The invention relates to the technical field of Internet of things, in particular to an intelligent park information safety transmission system based on the Internet of things.
Background
The traditional informatization construction mode of each business in the vertical industry can not meet the requirement of rapid development of the park, a basic resource platform below the application of the industry is reached, an inter-industry urban digital platform is established, capabilities of cloud, video cloud, big data, Internet of things (IoT), a Geographic Information System (GIS), an Integrated Communication Platform (ICP) and the like are provided for the application of the smart park, and the capabilities are combined with AI (intelligent information system) to enable the AI to be in butt joint with the application upwards and connect the data downwards, so that a digital transformation tentacle of the smart park can be reached. The park management is a system project, perfect system and mechanism are the premise, and digital technology support is a means. The comprehensive treatment work flow of the recombined park is optimized according to the objective rules, the system and the mechanism innovation requirements of the modern park comprehensive treatment, and the smooth operation of the work flow is guaranteed by an informatization means.
With the continuous development of social economy, the living standard of resident materials is rapidly improved, and the security requirements of communities are continuously expanded, for example, the quality of the systems such as videos, access controls, alarms, parking lots, building talkbacks, channels, attendance checking and night patrol in community security all influence the data sharing performance among community security systems. However, in data processing of the traditional internet of things, similar to many security problems existing on the internet, many links have hidden safety hazards, data of the internet of things is easy to tamper, and the security is poor.
In recent years, cloud computing technology has developed rapidly, and cloud service resources are increasingly large in quantity and categories, and a method for effectively managing the dispersed and heterogeneous cloud service resources is required. With the increasing number and types of unmanned devices, the scale of the formed unmanned device clustering is more and more complex, rapid deployment and scheduling of the unmanned devices are needed in a short time for a command decision maker, and particularly, edge situation is changeable instantly compared with edge devices with a long distance from a command center. For unmanned system equipment, all information such as various loads, equipment platforms, audio and video acquisition terminals, navigation positioning information and the like is very numerous and complex, and various platforms are in a high-speed motion state, so that bandwidth congestion occurs in interaction of all information streams, and the phenomena that network members and topology for executing tasks and information interaction among various nodes of information are intermittent exist, and the unmanned system equipment faces a complex communication network environment with weak connection and high dynamic.
Disclosure of Invention
The invention aims to provide an intelligent park information safety transmission system based on the Internet of things, which can provide high-speed, low-delay and wide-coverage data connection and transmission between a sensing node and a cloud end, can perform real-time scheduling of patrol terminals according to specific application, solves the problems that the data volume of a monitoring system is low, information of each monitoring area cannot be shared and cannot respond to special conditions in time, transmitted information data is subjected to virus risk identification, file rewriting judgment and bidirectional authentication to form a unique and safe communication channel, and ensures the safety of the data from multiple angles.
An intelligent park information safety transmission system based on the Internet of things comprises intelligent management and control centers, wherein the intelligent management and control centers are wirelessly networked and interconnected through a communication safety protection module; the intelligent management and control center receives the acquired information, comprehensively analyzes the received information and performs cooperative processing, and the intelligent management and control center comprises a cooperative manager, a distributed propagation processing layer, a sensing node layer and an application service layer;
the sensing node layer comprises a plurality of nodes, the plurality of nodes carry out UDP broadcast communication through a common communication channel, each node comprises a plurality of existing sensing devices, and the sensing node layer is connected with the distributed propagation processing layer through a common communication interface;
the block node data of the sensing node layer is planned and managed in advance through the application service layer by adopting a distributed management method, and is directly uploaded to an intelligent management and control center for processing through the communication safety protection module after being collected by the sensing node layer;
the communication safety protection module comprises a virus identification program, a file rewriting program and a bidirectional authentication program; before the transmission of the information data, whether the information data has virus risks is identified and sensed through a virus identification program, whether the information data is rewritten is judged through a file rewriting program, and bidirectional authentication is carried out through a bidirectional authentication program; if the mutual authentication is successful, and meanwhile, the transmitted information data does not have viruses and is not rewritten, the transmission is continued; if the mutual authentication fails, or the transmitted information data has virus or is rewritten, the information data transmission is refused.
In one embodiment, the system further comprises an early warning module, and when the information which is sent by the communication security protection module and is not registered or fails in mutual authentication or the transmitted information data has viruses or is rewritten, the information is formed into early warning information; and encrypting the early warning information by adopting an RSA algorithm, and transmitting the early warning information after the information is encrypted to the intelligent control center.
In one embodiment, the communication security protection module comprises:
the receiving module is used for receiving the information to be verified sent by the sensing node layer; the information to be verified comprises first identity certificate information obtained by the sensing node layer from a received query request initiated by the application service layer, and a first hash value of the sensing node layer on the first identity certificate information;
the obtaining module is used for obtaining second identity certificate information matched with the first identity certificate information from a Trusted Execution Environment (TEE);
and the verification module is used for verifying the identity of the application service layer according to the first hash value of the first identity certificate information and the second identity certificate information.
In one embodiment, the communication security protection module further comprises:
the digital identity contract module is used for receiving the information to be verified sent by the sensing node layer; the information to be verified comprises first identity certificate information obtained by the sensing node layer from a received query request initiated by the application service layer, and a first hash value of the sensing node layer on the first identity certificate information;
the TEE module is used for receiving the first identity certificate information sent by the digital identity contract module, inquiring according to the first identity certificate information to obtain second identity certificate information matched with the first identity certificate information, and returning the second identity certificate information to the digital identity contract module;
in one embodiment, the digital identity contract module is further configured to perform identity verification on the node layer to be perceived according to the first hash value of the first identity credential information and the second identity credential information.
In one embodiment, the system further comprises a mobile patrol terminal, wherein the mobile patrol terminal is in signal connection with the intelligent management and control center through the communication security protection module, and the system comprises:
the information perception module is used for perceiving information data in the patrol process, and the information data comprises data parameters of surrounding roads shot by a camera;
and the communication terminal module is used for receiving the information data transmitted from the data interface of the information perception module, carrying out frequency conversion on the information data and transmitting the information data to the intelligent control center.
In one embodiment, the information sensing module identifies and collects the mobile patrol terminal information data and the block node data of the sensing node layer, the collected information data and the collected block node data are output to the communication terminal module, and the communication terminal module transmits the received information to the intelligent control center.
In one embodiment, the cooperation manager comprises a data processing system and a management system, a data analysis module and a data statistics module are arranged inside the data processing system, the data analysis module is used for carrying out big data analysis on the intelligent management and control center, a whole-network monitoring management system and a whole-network information sending management system are arranged inside the management system, and the management system is connected with various front-end control devices through wireless connection.
In one embodiment, the sensing node layer comprises an MCU supporting Hash hardware calculation, and a light intensity sensor, a temperature and humidity sensor, a gas sensor, a positioning module and a time module which are connected with the MCU, wherein each sensor terminal node is in a periodic working mode and is initially in a dormant state, only a timer of the MCU works, when the timer counts to preset time, a timer interrupt event is triggered, the MCU is awakened to enter a working mode, and the MCU is awakened to control and collect sensing data of each sensor and corresponding timestamp and position information and send the data to a hardware unit supporting various Hash algorithms for operation.
In one embodiment, the application service layer comprises a guest service system, a property service system, a public service system and a mobile phone interaction system.
The technical scheme has the following advantages or beneficial effects:
the intelligent park information safety transmission system based on the Internet of things can provide data connection and transmission with high speed, low time delay and wide coverage between a sensing node and a cloud end, can carry out real-time scheduling on patrol terminals according to specific application, and solves the problems that the data volume of a monitoring system is low, information of each monitoring area cannot be shared, and response cannot be made in time to special conditions. The different classification block nodes can be realized according to different areas and application scenes, each sensing device can serve different application service layers, namely each sensing layer node covers various sensing devices according to different application scenes, the sensing devices can be shared and used through a mobile phone interaction system or front-end control equipment according to actual application, virus risk identification and file rewriting judgment are carried out on transmitted information data, bidirectional authentication is carried out, the sensing information data can be transmitted only after the bidirectional authentication is successful, transmission is allowed only when no virus risk exists and information data which are not rewritten exist, a unique and safe communication channel is formed, and the safety of the transmitted data is guaranteed from multiple angles.
Drawings
Fig. 1 is a schematic structural diagram of an intelligent park information security transmission system based on the internet of things.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
With reference to fig. 1, an intelligent park information security transmission system based on the internet of things includes an intelligent management and control center 1, wherein the intelligent management and control center 1 is wirelessly networked and interconnected through a communication security protection module 3; the intelligent management and control center 1 receives the collected information, comprehensively analyzes the received information and performs cooperative processing, and comprises a cooperative manager 11, a distributed propagation processing layer 12, a sensing node layer 13 and an application service layer 15;
the sensing node layer 13 includes a plurality of nodes, the plurality of nodes perform UDP broadcast communication through a common communication channel, each node includes a plurality of existing sensing devices, and the sensing node layer 13 and the distributed propagation processing layer 12 are connected through a common communication interface;
the block node data of the sensing node layer 13 is planned and managed in advance through the application service layer 15 by adopting a distributed management method, and is directly uploaded to the intelligent management and control center 1 for processing through the communication safety protection module 3 after being collected by the sensing node layer 13;
the communication safety protection module 3 comprises a virus identification program, a file rewriting program and a bidirectional authentication program; before the transmission of the information data, whether the information data has virus risks is identified and sensed through a virus identification program, whether the information data is rewritten is judged through a file rewriting program, and bidirectional authentication is carried out through a bidirectional authentication program; if the mutual authentication is successful, and meanwhile, the transmitted information data does not have viruses and is not rewritten, the transmission is continued; if the mutual authentication fails, or the transmitted information data has virus or is rewritten, the information data transmission is refused.
Further, in a preferred embodiment of the intelligent park information security transmission system based on the internet of things, the system further comprises an early warning module 4, wherein when the information which is sent by the communication security protection module 3 and is not registered or fails in mutual authentication or the transmitted information data has viruses or is rewritten is received, the information is formed into early warning information; and encrypting the early warning information by adopting an RSA algorithm, and transmitting the early warning information after the information is encrypted to the intelligent control center 1.
Identifying the information data through a virus identification program, judging whether the transmitted information data has virus risks, and judging whether the originally transmitted information data is rewritten through a file rewriting program; performing bidirectional authentication on the network communication module through a bidirectional authentication program; if the mutual authentication is successful, and meanwhile, the transmitted information data does not have viruses and is not rewritten, the transmission is continued; if the mutual authentication fails, or the transmitted information data has virus or is rewritten, the information data transmission is refused, and the information is transmitted to the early warning module 4.
Further, in a preferred embodiment of the system for transmitting information of an intelligent park based on the internet of things, the communication security protection module 3 includes:
a receiving module 31, configured to receive information to be verified sent by the sensing node layer 13; the information to be verified includes first identity credential information obtained by the sensing node layer 13 from a received query request initiated by the application service layer 15, and a first hash value of the sensing node layer 13 on the first identity credential information;
an obtaining module 32, configured to obtain, from a trusted execution environment TEE, second identity credential information that matches the first identity credential information;
the verification module 33 is configured to perform identity verification on the application service layer 15 according to the first hash value of the first identity credential information and the second identity credential information.
The digital identity authentication process comprises the following steps: an application service layer 15, a sensing node layer, a digital identity contract module and a TEE (Trusted Execution Environment). Wherein, the function of the trusted execution environment TEE is designed as an information entry method and an information authentication method, the registration authentication authority is in the information entry method to the trusted execution environment TEE, the submitted information includes but is not limited to: request parameters such as information type, information attribution digital identity (identity) id, information hash value, registration certification authority signature and the like; in the information authentication method of the trusted execution environment TEE by the trusted authentication authority, the submitted information includes but is not limited to: request parameters such as information attribution digital identity id, information category, trusted certification authority and the like. Because the trusted execution environment TEE does not allow any user to directly read the data stored in the TEE, the related data can be acquired only by possessing a specific key or being authorized, and the digital identity information is stored in the trusted execution environment TEE, thereby ensuring the safety of the digital identity information.
The receiving module 31 is configured to receive information to be verified sent by the sensing node layer 13; the information to be verified includes first identity credential information obtained by the sensing node layer 13 from a received query request initiated by the application service layer 15, and a first hash value of the sensing node layer 13 on the first identity credential information; the obtaining module 32 is configured to obtain, from the trusted execution environment TEE, second identity credential information that matches the first identity credential information; the verification module 33 is configured to perform identity verification on the application service layer 15 according to the first hash value of the first identity credential information and the second identity credential information. The digital identity authentication device provided by the application not only provides an authentication function for identity information, but also improves the safety of storing digital identity certificate information.
Further, in a preferred embodiment of the system for transmitting information of an intelligent park based on the internet of things, the communication security protection module 3 further includes:
the sensing node layer 13 receives an inquiry request initiated by the mobile patrol terminal 2, acquires first identity certificate information from the inquiry request, and performs hash operation on the first identity certificate information to obtain a first hash value;
a digital identity contract module 34, configured to receive information to be verified sent by the sensing node layer 13; the information to be verified comprises first identity credential information obtained by the sensing node layer 13 from a received query request initiated by the mobile patrol terminal 2, and a first hash value of the sensing node layer 13 on the first identity credential information;
optionally, in some embodiments of the present application, the information to be verified further includes a signature of the sensing node layer on the signature information, and the digital identity contract module 34 is further configured to perform authority verification on the sensing node layer according to the signature information and the signature; after the authority of the sensing node layer passes verification, the digital identity contract module 34 sends the first identity credential information to the trusted execution environment TEE, and second identity credential information matched with the first identity credential information is obtained from the trusted execution environment TEE;
optionally, the digital identity contract module 34 may verify whether the sensing node layer has the authority to perform identity verification on the node layer to be sensed by verifying the public key of the sensing node layer, in some embodiments of the present application, the digital identity contract module 34 may be configured to calculate the public key of the sensing node layer according to the signature information and the signature; according to the reference public key of the sensing node layer and the public key of the sensing node layer stored in the digital identity contract module 34, authority verification is carried out on the sensing node layer;
optionally, in some embodiments of the present application, the digital identity contract module 34 may be configured to determine that the authority verification of the sensing node layer passes when the reference public key of the sensing node layer stored in the digital identity contract module 34 is consistent with the public key of the sensing node layer;
a TEE module 35, configured to receive the first identity credential information sent by the digital identity contract module 34, perform query according to the first identity credential information to obtain second identity credential information matched with the first identity credential information, and return the second identity credential information to the digital identity contract module 34;
the digital identity contract module 34 is further configured to perform identity verification on the application service layer 15 according to the first hash value of the first identity credential information and the second identity credential information.
Further, in a preferred embodiment of the system for transmitting information of an intelligent park based on the internet of things, the application service layer 15 includes a visitor service system, a property service system, a public service system and a mobile phone interaction system.
Further, in a preferred embodiment of the information security transmission system for the intelligent park based on the internet of things, the cooperation manager 11 includes a data processing system 111 and a management system 112, a data analysis module 1111 and a data statistics module 1112 are disposed inside the data processing system 111, the data analysis module 1111 is configured to perform big data analysis on the intelligent management and control center 1, a whole network monitoring management system 1121 and a whole network information transmission management system 1122 are disposed inside the management system 112, and the management system 112 is wirelessly connected to a plurality of front-end control devices.
Further, in a preferred embodiment of the intelligent park information security transmission system based on the internet of things, the system further includes a mobile patrol terminal 2, and the mobile patrol terminal 2 is in signal connection with the intelligent management and control center 1 through the communication security protection module 3, and includes:
the information sensing module 21 is used for sensing information data in the patrol process, and the information data comprises data parameters of surrounding roads shot by a camera;
and the communication terminal module 22 is configured to receive the information data transmitted from the data interface of the information sensing module 21, perform frequency conversion on the information data, and transmit the information data to the intelligent management and control center 1.
The information perception module 21 comprises a camera device, a radar and a speed sensor; the camera device is used for acquiring road comprehensive information data of the surrounding environment in the driving process of the mobile patrol terminal, wherein the road comprehensive information data comprises a road line, a traffic sign, vehicle flow on the road, vehicle speed, vehicle occupancy, meteorological information along the road, road surface condition information and image information of pedestrians; the radar acquires the distance between the body and the obstacle; the speed sensor collects the real-time speed of the mobile patrol terminal 2, and the mobile patrol terminal 2 can be ensured to perform quick and correct processing through collecting the information, so that the output of the control instruction is more accurate.
Further, in a preferred embodiment of the intelligent park information safety transmission system based on the internet of things, the sensing node layer 13 includes an MCU supporting hash hardware calculation, and a light intensity sensor, a temperature and humidity sensor, a gas sensor, a positioning module and a time module connected thereto, each sensor terminal node adopts a periodic working mode, is initially in a dormant state, only a timer of the MCU works, triggers a timer interrupt event when the timer counts to a preset time, wakes up the MCU to enter a working mode, and after being awakened, controls to collect sensing data of each sensor and corresponding timestamp and position information, and sends the data to a hardware unit supporting multiple hash algorithms for operation. The sensing node layer 13 comprises a low-power consumption MCU supporting hash hardware calculation, and a light intensity sensor, a temperature and humidity sensor, a gas sensor, a time module and a power module connected with the MCU in communication modes such as I2C, UART, I/O and FSMC, wherein each sensor terminal node adopts a mode of periodic work, the periodic work is realized by the control of a counter inside the MCU, namely, a periodic trigger timer interrupts and wakes up the MCU to work periodically, specifically, each sensor terminal node is initially in a dormant state, namely, the MCU is in the dormant state and only counts by the timer, when the timer counts to a preset time, a timer interrupt event is triggered, the MCU is awakened to enter a working mode, namely, the sensor terminal nodes enter the working mode, and the MCU is awakened to control and collect sensing data of each sensor and a corresponding timestamp.
The invention adopts a distributed management method, the block node data of the sensing node layer 13 is planned and managed in advance through the application service layer 15, the data is directly uploaded to the intelligent management and control center 1 for processing after being collected by the sensing node layer 13, the sensing equipment serves different applications, namely, each sensing layer node covers various sensing equipment according to different application scenes and can be shared and used according to actual applications, the plurality of block nodes carry out broadcast communication in a UDP mode through a public communication channel, and the sensing node layer 13 and the distributed transmission processing layer are connected by adopting a public communication interface, so that the invention solves the problems that the traditional sensing layer based on the Internet of things is dispersed and has huge number, different working nodes are designed according to working modes, and the same equipment can be distributed in different nodes to realize time division multiplexing, finally, a set of block sensing layer based on equipment multiplexing is built, a sensing network of a distributed node network structure is built, state monitoring and data acquisition and gathering are carried out on education, life, office and scientific research Internet of things facilities in a smart campus, a communication channel is shared, communication consumption is reduced, maintenance cost is reduced, and convenience of the system is improved.
The above different classified block nodes can be realized according to different areas and application scenes, each sensing device can serve different application service layers, namely each sensing layer node covers various sensing devices according to different application scenes, and can be shared and used through a mobile phone interaction system or front-end control equipment according to actual application, the plurality of block nodes are subjected to broadcast communication in a UDP mode through a common communication channel, so that the point-to-point communication can be realized when one application calls the plurality of block nodes, the communication power consumption is greatly reduced, the utilization rate of resources is improved, the UDP mode has two aspects, and on one hand, the communication requirements of the internet of things devices in the sensing layers can be completely met by adopting the UDP mode; on the other hand, a UDP mode is adopted to reduce a handshake mode and improve communication efficiency, but part of communication reliability is sacrificed, a sensing layer in the prior art needs to cache and share data, so all data resources are needed to realize storage and caching of the data, a distributed management method is adopted, the data are acquired by a block sensing node layer and then are directly uploaded to an intelligent management and control center for processing according to a management strategy and a service request planned in advance by an application management layer, the data are cleaned, compared and correlated to obtain related data, and measurement, calculation and analysis are carried out in real time on the basis of mobile phone data and other front-end control equipment through cleaning, comparison and correlation of the data, so that the data management efficiency of the block sensing node layer is higher, and the maintenance work is very important for a large and complex number of Internet of things systems, according to the fault equipment in the block node, the block node can be maintained independently without influencing the normal work of other nodes, and the maintenance cost is reduced.
In summary, the intelligent park information safety transmission system based on the internet of things can provide high-speed, low-delay and wide-coverage data connection and transmission between the sensing node and the cloud, can perform real-time scheduling of patrol terminals according to specific applications, and solves the problems that the data volume of a monitoring system is low, information of each monitoring area cannot be shared, and response cannot be timely made to special conditions. The different classification block nodes can be realized according to different areas and application scenes, each sensing device can serve different application service layers, namely each sensing layer node covers various sensing devices according to different application scenes, the sensing devices can be shared and used through a mobile phone interaction system or front-end control equipment according to actual application, virus risk identification and file rewriting judgment are carried out on transmitted information data, bidirectional authentication is carried out, the sensing information data can be transmitted only after the bidirectional authentication is successful, transmission is allowed only when no virus risk exists and information data which are not rewritten exist, a unique and safe communication channel is formed, and the safety of the transmitted data is guaranteed from multiple angles.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", and the like, which indicate orientations or positional relationships, are based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Claims (10)
1. An intelligent park information safety transmission system based on the Internet of things is characterized by comprising intelligent management and control centers, wherein the intelligent management and control centers are interconnected through a communication safety protection module in a wireless networking manner; the intelligent management and control center receives the acquired information, comprehensively analyzes the received information and performs cooperative processing, and the intelligent management and control center comprises a cooperative manager, a distributed propagation processing layer, a sensing node layer and an application service layer;
the sensing node layer comprises a plurality of nodes, the plurality of nodes carry out UDP broadcast communication through a common communication channel, each node comprises a plurality of existing sensing devices, and the sensing node layer is connected with the distributed propagation processing layer through a common communication interface;
the block node data of the sensing node layer is planned and managed in advance through the application service layer by adopting a distributed management method, and is directly uploaded to an intelligent management and control center for processing through the communication safety protection module after being collected by the sensing node layer;
the communication safety protection module comprises a virus identification program, a file rewriting program and a bidirectional authentication program; before the transmission of the information data, whether the information data has virus risks is identified and sensed through a virus identification program, whether the information data is rewritten is judged through a file rewriting program, and bidirectional authentication is carried out through a bidirectional authentication program; if the mutual authentication is successful, and meanwhile, the transmitted information data does not have viruses and is not rewritten, the transmission is continued; if the mutual authentication fails, or the transmitted information data has virus or is rewritten, the information data transmission is refused.
2. The system according to claim 1, further comprising an early warning module, wherein when receiving the information sent by the communication security protection module that is not registered or fails to authenticate bidirectionally, or the transmitted information data has a virus or has been rewritten, the information is formed into early warning information; and encrypting the early warning information by adopting an RSA algorithm, and transmitting the early warning information after the information is encrypted to the intelligent control center.
3. The system of claim 1, wherein the communication security protection module comprises:
the receiving module is used for receiving the information to be verified sent by the sensing node layer; the information to be verified comprises first identity certificate information obtained by the sensing node layer from a received query request initiated by the application service layer, and a first hash value of the sensing node layer on the first identity certificate information;
the obtaining module is used for obtaining second identity certificate information matched with the first identity certificate information from a Trusted Execution Environment (TEE);
and the verification module is used for verifying the identity of the application service layer according to the first hash value of the first identity certificate information and the second identity certificate information.
4. The system of claim 3, wherein the communication security protection module further comprises:
the digital identity contract module is used for receiving the information to be verified sent by the sensing node layer; the information to be verified comprises first identity certificate information obtained by the sensing node layer from a received query request initiated by the application service layer, and a first hash value of the sensing node layer on the first identity certificate information;
and the TEE module is used for receiving the first identity certificate information sent by the digital identity contract module, inquiring according to the first identity certificate information to obtain second identity certificate information matched with the first identity certificate information, and returning the second identity certificate information to the digital identity contract module.
5. The system as claimed in claim 4, wherein the digital identity contract module is further configured to authenticate the node layer to be sensed according to the first hash value of the first identity credential information and the second identity credential information.
6. The intelligent park information safety transmission system based on the internet of things of claim 1, further comprising a mobile patrol terminal, wherein the mobile patrol terminal is in signal connection with the intelligent management and control center through the communication safety protection module, and the system comprises:
the information perception module is used for perceiving information data in the patrol process, and the information data comprises data parameters of surrounding roads shot by a camera;
and the communication terminal module is used for receiving the information data transmitted from the data interface of the information perception module, carrying out frequency conversion on the information data and transmitting the information data to the intelligent control center.
7. The system of claim 6, wherein the information perception module identifies and collects the mobile patrol terminal information data and the block node data of the perception node layer, outputs the collected information data and the collected block node data to the communication terminal module, and the communication terminal module transmits the received information to the intelligent management and control center.
8. The intelligent park information safety transmission system based on the Internet of things as claimed in claim 1, wherein the cooperation manager comprises a data processing system and a management system, a data analysis module and a data statistics module are arranged inside the data processing system, the data analysis module is used for carrying out big data analysis on an intelligent management and control center, a whole network monitoring management system and a whole network information sending management system are arranged inside the management system, and the management system is connected with various front-end control devices through wireless connection.
9. The system of claim 1, wherein the sensing node layer comprises an MCU supporting hash hardware calculation, and a light intensity sensor, a temperature and humidity sensor, a gas sensor, a positioning module and a time module connected with the MCU, each sensor terminal node adopts a periodic working mode, is initially in a dormant state, only a timer of the MCU works, triggers a timer interrupt event when the timer counts to a preset time, wakes up the MCU to enter a working mode, and controls and collects sensing data of each sensor and corresponding timestamp and position information after the MCU is awakened, and sends the data to a hardware unit supporting multiple hash algorithms for operation.
10. The system of claim 1, wherein the application service layer comprises a visitor service system, a property service system, a public service system and a mobile phone interaction system.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114866249A (en) * | 2022-04-19 | 2022-08-05 | 立芯科技股份有限公司 | Block chain-based lead sealing lock system with multiple groups of electronic tags and interaction method |
| CN115118490A (en) * | 2022-06-24 | 2022-09-27 | 沈阳琰讯科技有限公司 | Data confidentiality transmission method and system based on Internet of things |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114866249A (en) * | 2022-04-19 | 2022-08-05 | 立芯科技股份有限公司 | Block chain-based lead sealing lock system with multiple groups of electronic tags and interaction method |
| CN114866249B (en) * | 2022-04-19 | 2024-02-20 | 立芯科技股份有限公司 | Block chain-based lead sealing lock system with multiple groups of electronic tags and interaction method |
| CN115118490A (en) * | 2022-06-24 | 2022-09-27 | 沈阳琰讯科技有限公司 | Data confidentiality transmission method and system based on Internet of things |
| CN115118490B (en) * | 2022-06-24 | 2024-04-30 | 北方兵装技术(辽宁)有限公司 | Data confidentiality transmission method and system based on Internet of things |
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Application publication date: 20211224 |