CN109194710B - System and method for supervising specific personnel behaviors based on block chain and intelligent contract - Google Patents
System and method for supervising specific personnel behaviors based on block chain and intelligent contract Download PDFInfo
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Abstract
The invention relates to a system and a method for supervising specific personnel behaviors based on a block chain and an intelligent contract, which are designed for solving the problems that data in the existing similar method is falsified and faked and maliciously attacked, and an intelligent terminal lacks range, bears pressure and monitors electric quantity. The system is characterized in that a user terminal module of the system is an intelligent terminal worn on a specific person, the position information of the specific person carrying the intelligent terminal and the equipment running state information are uploaded to a block chain, and then behavior of the specific person is normalized by compiling a behavior-normalized intelligent contract code in the block chain; when the specific person exceeds the activity range set by the administrator, or exceeds the pressure range born by the intelligent terminal, and the electric quantity of the equipment is lower than the safe electric quantity range and is not charged, the contract execution submodule automatically runs the intelligent contract code and gives an alarm to remind the administrator that the person has irregular behaviors of exceeding the activity range, maliciously damaging the equipment and intentionally not charging.
Description
Technical Field
The invention relates to a specific personnel supervision system, in particular to a specific personnel behavior supervision system and a specific personnel behavior supervision method based on a block chain and an intelligent contract.
Background
With the development of society, specific persons are more and more concerned and concerned by the country and the government, and the specific persons include community correctors, paronychia criminals, drug addicts and other persons needing supervision. However, the behavior supervision of a specific person is always a difficult problem, and the traditional behavior supervision method of the specific person is that the specific person wears non-detachable intelligent wearable equipment, tracks and monitors position information and the like of the specific person in real time, sends the information to a background management platform, and alarms to remind a manager when the specific person exceeds a limited activity range. However, the conventional behavior management method can only determine whether a specific person has an out-of-range behavior, and for other behaviors, such as maliciously damaging equipment, the equipment is not charged intentionally when the power of the equipment is low, and the behaviors may cause the equipment to be incapable of operating normally, so that supervision is avoided. With the progress of technology, a concept of a blockchain is now proposed, where the blockchain is a data structure formed by grouping data blocks in a linked list-like manner according to a time sequence, and a distributed decentralized database that is cryptographically secure and unforgeable for data is provided, so that data can be stored safely and easily. According to the related concept of the block chain 2.0, an intelligent contract can be deployed in the block chain, wherein the intelligent contract is a computer program for automatically executing contract terms, and the intelligent contract can be automatically executed when a trigger condition is met. However, in the existing similar products and methods, the behavior of specific personnel is supervised based on a block chain and an intelligent contract, and the technical disclosure of intelligent terminal supervision is less.
Disclosure of Invention
In order to overcome the defects, the invention aims to provide a system and a method for supervising the behavior of specific personnel based on a block chain and an intelligent contract, so that the system and the method solve the technical problems that data in the existing similar methods are falsified and faked and maliciously attacked, and similar intelligent terminal products lack scope, pressure and electric quantity monitoring. The purpose is realized by the following technical scheme.
A system for supervising the behavior of specific personnel based on a block chain and an intelligent contract comprises a user terminal module, an intelligent contract module, a block chain module, a certificate center module and a monitoring management module; the intelligent terminal is characterized in that the user terminal module is an intelligent terminal worn on a specific person, and the intelligent terminal is provided with a positioning module, a pressure sensor and a power supply management module; firstly, a positioning module tracks the position information of a positioning person in real time; the pressure sensor can sense external force impact on the intelligent terminal; the power management module can detect the electric quantity of the equipment at any time; after the information detected by the user terminal module is encrypted by using a public key of the certificate authentication module, the information is uploaded to the block chain module through a behavior specification intelligent contract, namely to a background server, and is used as a data source of the whole behavior supervision system; the intelligent contract module is responsible for providing a human-computer interaction interface for behavior supervision, and comprises two sub-modules of contract generation and contract execution: the contract generation submodule is used for submitting and storing an intelligent contract code of a specific personnel activity range, an intelligent contract code of an intelligent terminal bearing pressure range and an intelligent contract code of an intelligent terminal safety electric quantity range, which are set by an administrator, into the block chain module; the block chain module is a core technology part of the whole system and realizes two functions, namely, an intelligent contract code generated by the intelligent contract module is stored in the block chain and used as a basis for calling the intelligent contract module; secondly, storing the position information of specific personnel, the bearing pressure information of equipment and the electric quantity information of the equipment; the certificate center module is responsible for generating a public key, a private key and a version number for the user terminal module and the monitoring management module to use, the public key is used for encrypting data collected by the intelligent terminal, only an administrator with the private key can check the information, the public key and the private key are updated regularly, and a new version number is generated after the update; and the monitoring management module monitors the position information of the specific personnel, the equipment bearing pressure information and the equipment electric quantity information which are uploaded to the block chain, and judges whether the specific personnel have unqualified behaviors.
The intelligent terminals are symmetrically worn on wrists or ankles of specific personnel, the intelligent terminals are further provided with distance sensors and angle sensors, the distance sensors monitor the distance positions between the two intelligent terminals in real time, and the angle sensors monitor the movement and rest angle changes between the two intelligent terminals in real time. Therefore, when the intelligent terminal exceeds the distance range and the movement angle range, the contract execution submodule automatically runs the intelligent contract code and gives an alarm to remind an administrator of the improper behavior of maliciously damaging the equipment.
According to the structural characteristics of the system, the method comprises the following steps: firstly, uploading position information of a specific person carrying an intelligent terminal and equipment running state information (such as battery power and external force condition) to a block chain, and then compiling a behavior specification intelligent contract code in the block chain to specify the behavior of the specific person; when the specific person exceeds the activity range set by the administrator, or exceeds the pressure range born by the intelligent terminal, and the electric quantity of the equipment is lower than the safe electric quantity range and is not charged, the contract execution submodule automatically runs the intelligent contract code and gives an alarm to remind the administrator that the person has irregular behaviors of exceeding the activity range, maliciously damaging the equipment and intentionally not charging.
The intelligent terminal has the advantages of high safety, convenient supervision, difficult tampering and counterfeiting, traceability and supervision function; the block chain type prison supervision system is suitable for supervision of specific personnel management through a block chain technology, and particularly suitable for supervision of prison personnel.
Drawings
FIG. 1 is a block diagram of the present invention.
FIG. 2 is a block production flow diagram of the present invention.
FIG. 3 is a flow diagram of intelligent contract execution of the present invention.
Detailed Description
The working principle of the present invention will now be further described with reference to the accompanying drawings. As shown in fig. 1-3, the system includes a user terminal module, an intelligent contract module, a block chain module, a certificate center module, and a monitoring management module, where the user terminal module is an intelligent terminal worn on a specific person, and the system first uploads specific person position information and device operation state information carrying the intelligent terminal to the block chain, and then normalizes the behavior of the specific person by compiling behavior-normalized intelligent contract codes in the block chain; when the specific person exceeds the activity range set by the administrator, or exceeds the pressure range born by the intelligent terminal, and the electric quantity of the equipment is lower than the safe electric quantity range and is not charged, the contract execution submodule automatically runs the intelligent contract code and gives an alarm to remind the administrator that the person has irregular behaviors of exceeding the activity range, maliciously damaging the equipment and intentionally not charging.
The specific method comprises the following steps: firstly, a block chain based on multi-centralization is adopted, namely only an authorized main node can generate a new block, the authorized main node is an administrator node in a background server, only authorized user terminals can access data to a block chain network, one user terminal represents one common node, the common node stores all block data, but only the right of verifying the block is available, and the right of generating the block is not available; and the address of the common node is linked with the personal information of the intelligent terminal, so that the calling and checking are convenient, three intelligent contracts are deployed for each user with the intelligent terminal, wherein the three intelligent contracts are an activity range intelligent contract, an equipment bearing pressure range intelligent contract and an equipment safety electric quantity range intelligent contract respectively, and the intelligent contracts are stored in a block chain.
The method comprises the following specific steps: a) when a specific person wears the intelligent terminal, the intelligent terminal collects position information of the specific person, pressure information born by equipment and equipment electric quantity information in real time, and the corresponding common nodes broadcast the messages to the whole network; b) the authorized main node collects the data from the network, sorts the data to generate a data list, then checks the data list, writes the data list into a new block, and finally sends the block to other nodes; c) the other nodes in the whole network check the validity of the block, the check of the block comprises the check of the head information of the block and the check of the data information in the block body, and the block head comprises the Hash value of the previous block, the timestamp of the current block and other information; after all data are verified, calculating the Hash value of the new block, and broadcasting the Hash value to the whole network; d) if the Hash values received by one node and sent by 2K other nodes are equal to the Hash values of the node and K is the tolerable malicious node number, a confirmation message is broadcasted to the whole network; e) if a node receives 2K +1 pieces of confirmation information, a new block can be submitted, and a newly generated block is added to the chain tail of the existing block chain, so that the data acquired by the intelligent terminal is written into the block chain; f) the intelligent contracts in the blockchain periodically check the state of the automaton and traverse the state machines, transactions and trigger conditions contained in each contract one by one.
If the intelligent contract in the step f) is triggered due to the fact that a person violates a specified behavior specification within a certain period of time, pushing the transaction meeting the condition into a queue to be verified, and waiting for consensus; when the consensus time is up, the verification node packages all contracts stored in the latest period of time into a contract set together, calculates the Hash value of the contract set, and finally adds the Hash value of the contract set into a block to be diffused to the whole network; after receiving the block structure, other verification nodes take out the Hash of the contract set contained in the block structure and compare the Hash with the contract set stored by the other verification nodes; simultaneously sending a contract set approved by the user to other verification nodes; all verification nodes finally reach agreement on the contract set through multi-round sending and comparison; the intelligent contract is successfully executed and reported to the monitoring management module, and the administrator is reminded that the administrator violates the specified action and must take corresponding measures.
In summary, the system and the method aim at that the information collected by the devices carried by the specific personnel is very sensitive and the safety of the information is very important information, and the data has risks of being tampered and maliciously attacked, and the information such as the sensitive position information of the specific personnel and the running state of the device is stored in a block chain by combining with a block chain technology, so that the data cannot be tampered and forged, and the data is ensured to be real and effective. The system and the method aim at whether specific personnel have behaviors of crossing borders, maliciously damaging equipment and not charging with low electric quantity intentionally, restrict the behaviors of the specific personnel by compiling personnel behavior specification intelligent contracts in a block chain, force the specific personnel to execute according to regulations, or automatically execute intelligent contract programs when the specific personnel have behaviors of violating the contracts, and send out alarms to remind background management personnel. The system and the method aim at the behavior supervision problem of specific personnel, three intelligent contracts are deployed in a block chain, the three intelligent contracts are respectively an activity range intelligent contract, an intelligent terminal pressure bearing range intelligent contract and an intelligent terminal safety electric quantity intelligent contract, and when the specific personnel has an unqualified behavior, the intelligent contracts are automatically executed and reported to an administrator. Therefore, the requirement for monitoring the behavior of specific personnel is met by fully intelligent operation, and the method is simple and efficient.
Claims (7)
1. A system for supervising the behavior of specific personnel based on a block chain and an intelligent contract comprises a user terminal module, an intelligent contract module, a block chain module, a certificate center module and a monitoring management module; the method is characterized in that:
the user terminal module is an intelligent terminal worn on a specific person, information detected by the user terminal module is encrypted by using a public key of the certificate authentication module, and then the information is uploaded to the block chain module through a behavior specification intelligent contract, namely the data is uploaded to the background server to serve as a data source of the whole behavior supervision system;
the intelligent contract module is responsible for providing a human-computer interaction interface for behavior supervision, and comprises two sub-modules of contract generation and contract execution: the contract generation submodule is used for submitting and storing an intelligent contract code of a specific personnel activity range, an intelligent contract code of an intelligent terminal bearing pressure range and an intelligent contract code of an intelligent terminal safety electric quantity range, which are set by an administrator, into the block chain module;
the block chain module is a core technology part of the whole system and realizes two functions, namely, an intelligent contract code generated by the intelligent contract module is stored in the block chain and used as a basis for calling the intelligent contract module; secondly, storing the position information of specific personnel, the bearing pressure information of equipment and the electric quantity information of the equipment;
the certificate center module is responsible for generating a public key, a private key and a version number for the user terminal module and the monitoring management module to use, the public key is used for encrypting data collected by the intelligent terminal, only an administrator with the private key can check the information, the public key and the private key are updated regularly, and a new version number is generated after the update;
and the monitoring management module monitors the position information of the specific personnel, the equipment bearing pressure information and the equipment electric quantity information which are uploaded to the block chain, and judges whether the specific personnel have unqualified behaviors.
2. The system for supervising the behavior of specific personnel based on a blockchain and an intelligent contract according to claim 1, wherein the intelligent terminal is provided with a positioning module, a pressure sensor and a power management module; the positioning module tracks the position information of positioning personnel in real time; the pressure sensor can sense external force impact on the intelligent terminal; the power management module can detect the electric quantity of the equipment at any time.
3. The system according to claim 2, wherein the intelligent terminals are symmetrically worn on wrists or ankles of the specific persons, the intelligent terminals are further equipped with distance sensors and angle sensors, the distance sensors monitor distance positions between the two intelligent terminals in real time, and the angle sensors monitor movement and rest angle changes between the two intelligent terminals in real time.
4. The method for supervising the behavior of the specific personnel based on the block chain and the intelligent contract according to the claim 1, characterized in that the position information of the specific personnel carrying the intelligent terminal and the running state information of the equipment are uploaded to the block chain, and then the behavior of the specific personnel is regulated by compiling a behavior-regulating intelligent contract code in the block chain; when the specific person exceeds the activity range set by the administrator, or exceeds the pressure range born by the intelligent terminal, and the electric quantity of the equipment is lower than the safe electric quantity range and is not charged, the contract execution submodule automatically runs the intelligent contract code and gives an alarm to remind the administrator that the person has irregular behaviors of exceeding the activity range, maliciously damaging the equipment and intentionally not charging.
5. The system for supervising the behavior of a specific person according to claim 4, wherein the blockchain based on multicenter is adopted first, that is, only the authorized master node can generate a new block, the authorized master node is an administrator node in the background server, and only the authorized user terminal can access data to the blockchain network, one user terminal represents one common node, the common node stores all the block data, but only has the right to verify the block and no right to generate the block; and the address of the common node is linked with the personal information of the intelligent terminal, so that the calling and checking are convenient, three intelligent contracts are deployed for each user with the intelligent terminal, wherein the three intelligent contracts are an activity range intelligent contract, an equipment bearing pressure range intelligent contract and an equipment safety electric quantity range intelligent contract respectively, and the intelligent contracts are stored in a block chain.
6. The method for a supervision system of specific personnel behavior based on block chains and intelligent contracts according to claim 5, characterized by the following specific steps: a) when a specific person wears the intelligent terminal, the intelligent terminal collects position information of the specific person, pressure information born by equipment and equipment electric quantity information in real time, and the corresponding common nodes broadcast the messages to the whole network; b) the authorized main node collects the data from the network, sorts the data to generate a data list, then checks the data list, writes the data list into a new block, and finally sends the block to other nodes; c) the other nodes in the whole network check the validity of the block, the check of the block comprises the check of the head information of the block and the check of the data information in the block body, and the block head comprises the Hash value of the previous block, the timestamp of the current block and other information; after all data are verified, calculating the Hash value of the new block, and broadcasting the Hash value to the whole network; d) if the Hash values received by one node and sent by 2K other nodes are equal to the Hash values of the node and K is the tolerable malicious node number, a confirmation message is broadcasted to the whole network; e) if a node receives 2K +1 pieces of confirmation information, a new block can be submitted, and a newly generated block is added to the chain tail of the existing block chain, so that the data acquired by the intelligent terminal is written into the block chain; f) the intelligent contracts in the blockchain periodically check the state of the automaton and traverse the state machines, transactions and trigger conditions contained in each contract one by one.
7. The method for supervising the behavior of a specific person based on a blockchain and intelligent contract according to claim 6, wherein the intelligent contract in step f) is triggered by a violation of a specified behavior specification within a certain period of time, and then the transaction meeting the condition is pushed to a queue to be verified to wait for consensus; when the consensus time is up, the verification node packages all contracts stored in the latest period of time into a contract set together, calculates the Hash value of the contract set, and finally adds the Hash value of the contract set into a block to be diffused to the whole network; after receiving the block structure, other verification nodes take out the Hash of the contract set contained in the block structure and compare the Hash with the contract set stored by the other verification nodes; simultaneously sending a contract set approved by the user to other verification nodes; all verification nodes finally reach agreement on the contract set through multi-round sending and comparison; the intelligent contract is successfully executed and reported to the monitoring management module, and the administrator is reminded that the administrator violates the specified action and must take corresponding measures.
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