CN114065286A - Industrial control equipment instruction desensitization method based on block chain intelligent contract - Google Patents
Industrial control equipment instruction desensitization method based on block chain intelligent contract Download PDFInfo
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- CN114065286A CN114065286A CN202111367636.6A CN202111367636A CN114065286A CN 114065286 A CN114065286 A CN 114065286A CN 202111367636 A CN202111367636 A CN 202111367636A CN 114065286 A CN114065286 A CN 114065286A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules
- G06F21/6218—Protecting access to data via a platform, e.g. using keys or access control rules to a system of files or objects, e.g. local or distributed file system or database
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- G06F21/60—Protecting data
- G06F21/602—Providing cryptographic facilities or services
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/64—Protecting data integrity, e.g. using checksums, certificates or signatures
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Abstract
The invention relates to the field of industrial control equipment data desensitization, in particular to an industrial control equipment instruction desensitization method based on a block chain intelligent contract, which greatly improves the safety of transmission of industrial control equipment control instructions between a service system and equipment. The invention relates to an industrial control equipment instruction desensitization method based on a block chain intelligent contract, which comprises the following steps: the industrial control equipment is registered on the block chain industrial control equipment management platform, registration information of the industrial control equipment is obtained, a request for obtaining operation information to be executed by the industrial control equipment is sent to an industrial control system, the industrial control system generates the operation information corresponding to the industrial control equipment and sends the operation information to the block chain industrial control equipment management platform, the block chain industrial control equipment management platform selects an intelligent contract to perform desensitization operation on the registration information of the industrial control equipment and the operation information corresponding to the industrial control equipment, an industrial control instruction corresponding to the industrial control equipment is obtained after desensitization, and the industrial control equipment analyzes and executes the industrial control instruction after obtaining the industrial control instruction. The invention is suitable for instruction transmission between the industrial control equipment and the industrial control system.
Description
Technical Field
The invention relates to the field of industrial control equipment data desensitization, in particular to an industrial control equipment instruction desensitization method based on a block chain intelligent contract.
Background
The existing equipment control system mainly carries out instruction scheduling through an industrial control service system, and instructions are directly issued to corresponding industrial control equipment through an http interface or a socket interface to carry out equipment control. Therefore, great security problems exist, such as that data is easily tampered by a third party in the transmission process of the instruction, and the third party takes the place of the data after intercepting the data.
Disclosure of Invention
The invention aims to provide an industrial control equipment instruction desensitization method based on a block chain intelligent contract, which greatly improves the safety of transmission of industrial control equipment control instructions between a service system and equipment.
The invention adopts the following technical scheme to realize the purpose, and the industrial control equipment instruction desensitization method based on the block chain intelligent contract comprises the following steps:
step 2, the block chain industrial control equipment management platform initiates a request for acquiring operation information to be executed by the industrial control equipment to the industrial control system;
step 3, the industrial control system generates operation information corresponding to the industrial control equipment and sends the operation information to the block chain industrial control equipment management platform;
and 5, after the industrial control equipment acquires the industrial control instruction on the block chain industrial control equipment management platform, the industrial control instruction is reversely analyzed based on the corresponding intelligent contract, and the analyzed industrial control instruction is executed.
Further, in step 4, the construction process of the intelligent contract specifically includes:
step 401, registering the industrial control equipment on the block chain industrial control equipment management platform, and after registration, generating a pair of public key and private key by the block chain industrial control equipment management platform, wherein the public key is used as an address of the industrial control equipment on the block chain industrial control equipment management platform, and the private key is used as a unique key for operating the address;
step 402, determining an industrial control instruction desensitization protocol according to the requirement of the actual industrial control instruction of each industrial control device, wherein the desensitization protocol comprises desensitization rules and desensitization ranges, and then signing the industrial control instruction desensitization protocol through a private key of each industrial control device;
and step 403, storing the signed desensitization protocol in the block chain network.
Further, in step 403, the specific method for storing the signed desensitization protocol in the blockchain network includes:
the signed desensitization protocol is diffused in the whole block chain network in a P2P network mode, each node receives one copy, and a verification node in the block chain stores the received contract in a memory first and then waits for triggering the protocol;
after the desensitization protocol is triggered, the verification node packs the desensitization protocol into a protocol set, calculates the Hash value of the protocol set, and finally assembles the Hash value of the protocol set into a block structure to be diffused to the whole network;
after receiving the block structure, other verification nodes take out the Hash of the protocol set contained in the block structure, compare the Hash with the protocol set stored by the other verification nodes and simultaneously send a protocol set approved by the other verification nodes;
by verifying the comparison, agreement is reached and the agreed desensitization protocol is spread to the whole network in blocks.
Further, in step 402, the desensitization range includes registration information of the industrial control device and operation information of the corresponding industrial control device.
Further, random values and data replacement rules are adopted for the registration information of the industrial control equipment to perform data desensitization, and symmetric encryption rules are adopted for the operation information of the industrial control equipment to perform data desensitization.
Further, in step 4, the specific method for obtaining the industrial control instruction corresponding to the industrial control device after the desensitization operation includes:
after desensitization operation, calling a compression algorithm to compress the desensitized industrial control instruction, and recording an algorithm identifier of the compression algorithm; and calling an encryption algorithm, carrying out encryption operation on the compressed industrial control instruction and the corresponding algorithm identification, and encrypting to obtain the industrial control instruction corresponding to the industrial control equipment.
Further, the compression algorithm is an LZ77 compression algorithm or an LZMA compression algorithm or a DEFLATE compression algorithm.
Further, the encryption operation is an AES symmetric encryption operation or an RSA asymmetric encryption operation.
The method comprises the steps that after desensitization is carried out on registration information of industrial control equipment and operation information to be executed by the industrial control equipment, corresponding industrial control instructions are generated, and the industrial control equipment acquires the corresponding industrial control instructions and executes the instructions after analysis; the safety of the industrial control instruction in the transmission process is greatly improved; performing instruction desensitization through a blockchain intelligent contract; when an intelligent contract is constructed, a desensitization protocol is determined according to the requirements of actual industrial control instructions of each industrial control device, desensitization rules and ranges are specified, and finally the agreed desensitization protocols are stored in a block form, so that the efficiency of instruction desensitization and the compatibility of instruction desensitization are improved.
Drawings
FIG. 1 is a flow chart of the method for desensitizing instructions of an industrial control device based on a blockchain intelligent contract according to the present invention.
Detailed Description
The industrial control equipment instruction desensitization method based on the block chain intelligent contract, as shown in figure 1, comprises the following steps:
step S1, registering the industrial control equipment on the block chain industrial control equipment management platform to acquire the registration information of the industrial control equipment;
step S2, the block chain industrial control equipment management platform sends a request for obtaining operation information to be executed by the industrial control equipment to the industrial control system;
step S3, the industrial control system generates operation information corresponding to the industrial control equipment and sends the operation information to the block chain industrial control equipment management platform;
step S4, the block chain industrial control equipment management platform selects an intelligent contract to perform desensitization operation on the registration information of the industrial control equipment and the operation information of the corresponding industrial control equipment;
step S5, obtaining an industrial control instruction corresponding to the industrial control equipment after desensitization;
and step S6, after the industrial control command is obtained by the industrial control equipment on the block chain industrial control equipment management platform, reversely analyzing the industrial control command based on the corresponding intelligent contract, and executing the analyzed industrial control command.
In step S4, the construction process of the intelligent contract specifically includes:
step 401, registering the industrial control equipment on the block chain industrial control equipment management platform, and after registration, generating a pair of public key and private key by the block chain industrial control equipment management platform, wherein the public key is used as an address of the industrial control equipment on the block chain industrial control equipment management platform, and the private key is used as a unique key for operating the address;
step 402, determining an industrial control instruction desensitization protocol according to the requirement of the actual industrial control instruction of each industrial control device, wherein the desensitization protocol comprises desensitization rules and desensitization ranges, and then signing the industrial control instruction desensitization protocol through a private key of each industrial control device;
and step 403, storing the signed desensitization protocol in the block chain network.
In step 403, the specific method for storing the signed desensitization protocol in the block chain network includes:
the signed desensitization protocol is diffused in the whole block chain network in a P2P network mode, each node receives one copy, and a verification node in the block chain stores the received contract in a memory first and then waits for triggering the protocol;
after the desensitization protocol is triggered, the verification node packs the desensitization protocol into a protocol set, calculates the Hash value of the protocol set, and finally assembles the Hash value of the protocol set into a block structure to be diffused to the whole network;
after receiving the block structure, other verification nodes take out the Hash of the protocol set contained in the block structure, compare the Hash with the protocol set stored by the other verification nodes and simultaneously send a protocol set approved by the other verification nodes;
by verifying the comparison, agreement is reached and the agreed desensitization protocol is spread to the whole network in blocks.
In step 402, the desensitization range includes registration information of the industrial control device and operation information of the corresponding industrial control device.
And carrying out data desensitization on the registration information of the industrial control equipment by adopting a random value and a data replacement rule, and carrying out data desensitization on the operation information of the industrial control equipment by adopting a symmetric encryption rule.
In step S5, the specific method for obtaining the industrial control instruction corresponding to the industrial control device after desensitization includes:
after desensitization, calling a compression algorithm to compress the desensitized industrial control instruction, and recording an algorithm identifier of the compression algorithm; and calling an encryption algorithm, carrying out encryption operation on the compressed industrial control instruction and the corresponding algorithm identification, and encrypting to obtain the industrial control instruction corresponding to the industrial control equipment.
The compression algorithm may employ an LZ77 compression algorithm or an LZMA compression algorithm or a DEFLATE compression algorithm.
The encryption operation can adopt AES symmetric encryption operation or RSA asymmetric encryption operation.
In conclusion, the invention greatly improves the safety of the transmission of the control instruction of the industrial control equipment between the service system and the equipment and reduces the possibility that the industrial control instruction is stolen and stolen in the transmission process.
Claims (9)
1. The industrial control equipment instruction desensitization method based on the block chain intelligent contract is characterized by comprising the following steps:
step 1, registering industrial control equipment on a block chain industrial control equipment management platform to acquire registration information of the industrial control equipment;
step 2, the block chain industrial control equipment management platform initiates a request for acquiring operation information to be executed by the industrial control equipment to the industrial control system;
step 3, the industrial control system generates operation information corresponding to the industrial control equipment and sends the operation information to the block chain industrial control equipment management platform;
step 4, the block chain industrial control equipment management platform selects an intelligent contract to perform desensitization operation on the registration information of the industrial control equipment and the operation information of the corresponding industrial control equipment to obtain an industrial control instruction of the corresponding industrial control equipment;
and 5, after the industrial control equipment acquires the industrial control instruction on the block chain industrial control equipment management platform, the industrial control instruction is reversely analyzed based on the corresponding intelligent contract, and the analyzed industrial control instruction is executed.
2. The industrial control equipment instruction desensitization method based on the blockchain intelligent contract according to claim 1, wherein in the step 4, the construction process of the intelligent contract specifically includes:
step 401, registering the industrial control equipment on the block chain industrial control equipment management platform, and after registration, generating a pair of public key and private key by the block chain industrial control equipment management platform, wherein the public key is used as an address of the industrial control equipment on the block chain industrial control equipment management platform, and the private key is used as a unique key for operating the address;
step 402, determining an industrial control instruction desensitization protocol according to the requirement of the actual industrial control instruction of each industrial control device, wherein the desensitization protocol comprises desensitization rules and desensitization ranges, and then signing the industrial control instruction desensitization protocol through a private key of each industrial control device;
and step 403, storing the signed desensitization protocol in the block chain network.
3. The method for desensitizing instructions of industrial control equipment according to the blockchain-based intelligent contract of claim 2, wherein the step 403 of storing the signed desensitization protocol in the blockchain network comprises:
the signed desensitization protocol is diffused in the whole block chain network in a P2P network mode, each node receives one copy, and a verification node in the block chain stores the received contract in a memory first and then waits for triggering the protocol;
after the desensitization protocol is triggered, the verification node packs the desensitization protocol into a protocol set, calculates the Hash value of the protocol set, and finally assembles the Hash value of the protocol set into a block structure to be diffused to the whole network;
after receiving the block structure, other verification nodes take out the Hash of the protocol set contained in the block structure, compare the Hash with the protocol set stored by the other verification nodes and simultaneously send a protocol set approved by the other verification nodes;
by verifying the comparison, agreement is reached and the agreed desensitization protocol is spread to the whole network in blocks.
4. The method for desensitizing instructions of industrial control equipment according to claim 2, wherein in step 402, the desensitization range includes registration information of the industrial control equipment and operation information of the corresponding industrial control equipment.
5. The industrial control equipment instruction desensitization method based on the blockchain intelligent contract according to claim 4, wherein data desensitization is performed on registration information of the industrial control equipment by using a random value and a rule of data replacement.
6. The industrial control equipment instruction desensitization method based on the blockchain intelligent contract according to claim 4, wherein data desensitization is performed on operation information of the industrial control equipment by adopting a symmetric encryption rule.
7. The industrial control equipment instruction desensitization method based on the blockchain intelligent contract according to claim 1, wherein in the step 4, the specific method for obtaining the industrial control instruction of the corresponding industrial control equipment after the desensitization operation comprises:
after desensitization operation, calling a compression algorithm to compress the desensitized industrial control instruction, and recording an algorithm identifier of the compression algorithm; and calling an encryption algorithm, carrying out encryption operation on the compressed industrial control instruction and the corresponding algorithm identification, and encrypting to obtain the industrial control instruction corresponding to the industrial control equipment.
8. The method of claim 7, wherein the compression algorithm is an LZ77 compression algorithm or an LZMA compression algorithm or a DEFLATE compression algorithm.
9. The method of claim 7, wherein the encryption operation is an AES symmetric encryption operation or an RSA asymmetric encryption operation.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115022377A (en) * | 2022-07-22 | 2022-09-06 | 国网浙江省电力有限公司电力科学研究院 | High-elasticity power grid data transmission method, device, equipment and medium |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115022377A (en) * | 2022-07-22 | 2022-09-06 | 国网浙江省电力有限公司电力科学研究院 | High-elasticity power grid data transmission method, device, equipment and medium |
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