Encryption system and method for data security of intelligent electric energy meter

Abstract

The invention discloses an encryption system and method for data security of an intelligent electric energy meter, and the system comprises a data encryption system, a transmission encryption module, a receiving encryption module, a data encryption module, an MCU control module, a secret key matrix module, a data storage module, a monitoring scanning module, and an alarm triggering module. The output end of the data encryption system is in one-way connection with the input end of the transmission encryption module, and compared with the prior art, the intelligent electric energy meter data encryption system has the beneficial effects that the transmission encryption module is arranged, so that the transmitted intelligent electric energy meter data can be encrypted during transmission; the receiving encryption module is arranged, so that the received encrypted data of the intelligent electric energy meter can be encrypted again; a data encryption module is arranged, and encryption processing is carried out on encryption setting variable keys, quantitative keys and independent keys at the same time; through the arrangement of the key matrix module, matrix setting processing is carried out on a key.

Description

Technical Field

[0001] The present invention relates to the technical field of smart electric energy meters, and in particular to a smart electric energy meter data security encryption system and method. Background Art

[0002] Smart electricity meter is one of the basic equipment for data collection in smart grid (especially smart distribution network). It undertakes the tasks of collecting, measuring and transmitting original electricity data, and is the basis for realizing information integration, analysis optimization and information display. In addition to the basic electricity consumption metering function of traditional electricity meter, in order to adapt to the use of smart grid and new energy, it also has two-way multi-rate metering function, user-side control function, two-way data communication function of multiple data transmission modes, anti-electricity theft function and other intelligent functions. The existing smart electricity meter has low security performance and does not perform corresponding encryption processing operations on internal data, which makes the information of power users and daily electricity consumption data exposed. This will lead to some lawless elements to arbitrarily crack and steal relevant data, and cause major impact on its system. Summary of the invention

[0003] The purpose of the present invention is to provide a smart electricity meter data security encryption system and method to solve the problem that the existing smart electricity meters proposed in the above background technology have low security performance and do not perform corresponding encryption processing operations on internal data, thereby exposing the information of power users and daily electricity consumption data, which will lead to some lawless elements to arbitrarily crack and steal relevant data, causing significant impact on their systems.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an encryption system and method for data security of a smart electric energy meter, comprising a data encryption system, a transmission encryption module, a receiving encryption module, a data encryption module, an MCU control module, a key matrix module, a data storage module, a monitoring scanning module and an alarm triggering module, wherein the output end of the data encryption system is unidirectionally connected to the input end of the transmission encryption module, the output end of the transmission encryption module is unidirectionally connected to the input end of the receiving encryption module, the output end of the receiving encryption module is unidirectionally connected to the input end of the data encryption module, the data encryption module is connected to the MCU control module, the output end of the data encryption module is unidirectionally connected to the input end of the key matrix module, the output end of the key matrix module is unidirectionally connected to the input end of the data storage module, the output end of the data storage module is unidirectionally connected to the input end of the monitoring scanning module, and the output end of the monitoring scanning module is unidirectionally connected to the input end of the alarm triggering module;

[0005] The transmission encryption module is used to encrypt the transmitted smart energy meter data during transmission;

[0006] The receiving encryption module is used to encrypt the received encrypted smart energy meter data again;

[0007] The data encryption module is used to encrypt and set three keys, namely variable, quantitative and autonomous, and use encryption processing simultaneously;

[0008] The key matrix module is used to set matrix processing for the key;

[0009] The data storage module is used for performing spatial encryption and data obfuscation encryption processing on the stored data;

[0010] The monitoring scanning module is used to perform self-scanning on the data encryption system.

[0011] As a preferred solution of the present invention: the transmission encryption module includes a data transmission unit and a transmission port encryption unit, the output end of the transmission encryption module is unidirectionally connected to the input end of the data transmission unit, and the output end of the transmission encryption module is unidirectionally connected to the input end of the transmission port encryption unit;

[0012] The data transmission unit is used to transmit smart electric energy meter data;

[0013] The transmission port encryption unit is used for encrypting the data passing through the transmission port.

[0014] As a preferred solution of the present invention: the receiving encryption module includes a data receiving unit and a receiving port encryption unit, the output end of the receiving encryption module is unidirectionally connected to the input end of the data receiving unit, and the output end of the receiving encryption module is unidirectionally connected to the input end of the receiving port encryption unit;

[0015] The data receiving unit is used to receive encrypted data;

[0016] The receiving port encryption unit is used to encrypt the encrypted data passing through the receiving port again to ensure the transmission process and avoid data leakage.

[0017] As a preferred solution of the present invention: the data encryption module includes a variable encryption unit, a quantitative encryption unit and a self-defined encryption unit, the output end of the data encryption module is unidirectionally connected to the input end of the variable encryption unit, the output end of the data encryption module is unidirectionally connected to the input end of the quantitative encryption unit, and the output end of the data encryption module is unidirectionally connected to the input end of the self-defined encryption unit;

[0018] The variable encryption unit is used to set a mobile terminal variable key for the data;

[0019] The quantitative encryption unit is used to encrypt the internal settings of the system;

[0020] The self-defined encryption unit is used for users to independently set custom encryption processing.

[0021] As a preferred solution of the present invention: the key matrix module includes a ciphertext matrix unit and a ciphertext adjustment unit, the output end of the key matrix module is unidirectionally connected to the input end of the ciphertext matrix unit, and the output end of the key matrix module is unidirectionally connected to the input end of the ciphertext adjustment unit;

[0022] The ciphertext matrix unit is used to divide the data into multiple ciphertext matrices of 1-N equal parts for processing;

[0023] The ciphertext adjustment unit is used to adjust the ciphertext in the matrix.

[0024] As a preferred solution of the present invention: the level assessment module is used to perform level assessment on the encrypted data after performing corresponding encryption processing operations on the data.

[0025] As a preferred solution of the present invention: the data storage module includes a spatial encryption unit and a data obfuscation unit, the output end of the data storage module is unidirectionally connected to the input end of the spatial encryption unit, and the output end of the data storage module is unidirectionally connected to the input end of the data obfuscation unit;

[0026] The space encryption unit is used to encrypt and isolate the space storing data;

[0027] The data fuzzifying unit is used to perform fuzzy processing on the stored data.

[0028] As a preferred solution of the present invention: the monitoring scanning module includes an autonomous scanning unit and a timing scanning unit, the output end of the monitoring scanning module is unidirectionally connected to the input end of the autonomous scanning unit, and the output end of the monitoring scanning module is unidirectionally connected to the input end of the timing scanning unit;

[0029] The autonomous scanning unit is used to set autonomous scanning monitoring work inside the data encryption system;

[0030] The timing scanning unit is used to set a custom timing scanning operation inside the data encryption system.

[0031] As a preferred solution of the present invention: the alarm triggering module is used to trigger an alarm when the monitoring scanning module detects abnormal data in the data encryption system, thereby making a timely warning.

[0032] A method for encrypting data security of a smart electric energy meter comprises the following steps:

[0033] S1. Acquire the original data of the smart electric energy meter;

[0034] S2. Encrypt the data when transmitting it, and encrypt the data when receiving it;

[0035] S3, pairing with the MCU control module to receive the data and setting the multi-mode encryption process;

[0036] S4. Perform key matrix processing on the encrypted data, and use a combination of random forest algorithm, one-time pseudonym algorithm, aggregate signature method and homomorphic encryption algorithm to encrypt the data, and ensure that the encrypted data can be used normally;

[0037] S5. After completing the encryption process of the data, a level assessment is made on the encryption method to understand the security level;

[0038] S6. The encrypted data is stored in a special space, and the stored data is compiled and processed to ensure normal use again;

[0039] S7. Set up an autonomous self-check scanning task for the data encryption system, and set up an independent scheduled scanning task again, so as to scan the incoming abnormal data in a timely manner;

[0040] S8. Issue early warnings in a timely manner when abnormal data is detected during scanning.

[0041] Compared with the prior art, the beneficial effects of the present invention are as follows: by providing a transmission encryption module, the transmitted smart energy meter data can be encrypted during transmission; by providing a receiving encryption module, the received encrypted smart energy meter data can be encrypted again; by providing a data encryption module, three types of keys, namely, variables, quantitative and autonomous keys, can be used for encryption processing at the same time; by providing a key matrix module, the key can be set for matrix processing; by providing a data storage module, the stored data can be spatially encrypted and data fuzzy encrypted; by providing a monitoring scanning module, the data encryption system can be scanned by itself; and through the cooperation of the above modules, the data generated by the smart energy meter, the power user information and the daily power consumption data can be encrypted in a variety of ways, thereby preventing the arbitrarily cracking and stealing of data information by lawless elements, thereby protecting the system. BRIEF DESCRIPTION OF THE DRAWINGS

[0042] Figure 1 is a system block diagram of the present invention;

[0043] Figure 2 It is a flow chart of the present invention. DETAILED DESCRIPTION

[0044] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0045] See also Figure 1 to Figure 2 The present invention provides a technical solution: an encryption system and method for data security of a smart electric energy meter, comprising a data encryption system, a transmission encryption module, a receiving encryption module, a data encryption module, an MCU control module, a key matrix module, a data storage module, a monitoring scanning module and an alarm triggering module, wherein the output end of the data encryption system is unidirectionally connected to the input end of the transmission encryption module, the output end of the transmission encryption module is unidirectionally connected to the input end of the receiving encryption module, the output end of the receiving encryption module is unidirectionally connected to the input end of the data encryption module, the data encryption module is connected to the MCU control module, the output end of the data encryption module is unidirectionally connected to the input end of the key matrix module, the output end of the key matrix module is unidirectionally connected to the input end of the data storage module, the output end of the data storage module is unidirectionally connected to the input end of the monitoring scanning module, and the output end of the monitoring scanning module is unidirectionally connected to the input end of the alarm triggering module;

[0046] The transmission encryption module is used to encrypt the transmitted smart energy meter data during transmission;

[0047] The receiving encryption module is used to encrypt the received encrypted smart energy meter data again;

[0048] The data encryption module is used to encrypt and set three keys, namely variable, quantitative and autonomous, and use encryption processing simultaneously;

[0049] The key matrix module is used to set matrix processing for the key;

[0050] The data storage module is used for performing spatial encryption and data obfuscation encryption processing on the stored data;

[0051] The monitoring scanning module is used to perform self-scanning on the data encryption system.

[0052] Wherein, the transmission encryption module includes a data transmission unit and a transmission port encryption unit, the output end of the transmission encryption module is unidirectionally connected to the input end of the data transmission unit, and the output end of the transmission encryption module is unidirectionally connected to the input end of the transmission port encryption unit;

[0053] The data transmission unit is used to transmit smart electric energy meter data;

[0054] The transmission port encryption unit is used for encrypting the data passing through the transmission port.

[0055] Wherein, the receiving encryption module comprises a data receiving unit and a receiving port encryption unit, the output end of the receiving encryption module is unidirectionally connected to the input end of the data receiving unit, and the output end of the receiving encryption module is unidirectionally connected to the input end of the receiving port encryption unit;

[0056] The data receiving unit is used to receive encrypted data;

[0057] The receiving port encryption unit is used to encrypt the encrypted data passing through the receiving port again to ensure the transmission process and avoid data leakage.

[0058] Wherein, the data encryption module includes a variable encryption unit, a quantitative encryption unit and a custom encryption unit, the output end of the data encryption module is unidirectionally connected to the input end of the variable encryption unit, the output end of the data encryption module is unidirectionally connected to the input end of the quantitative encryption unit, and the output end of the data encryption module is unidirectionally connected to the input end of the custom encryption unit;

[0059] The variable encryption unit is used to set a mobile terminal variable key for the data;

[0060] The quantitative encryption unit is used to encrypt the internal settings of the system;

[0061] The self-defined encryption unit is used for users to independently set custom encryption processing.

[0062] The key matrix module includes a ciphertext matrix unit and a ciphertext adjustment unit, the output end of the key matrix module is unidirectionally connected to the input end of the ciphertext matrix unit, and the output end of the key matrix module is unidirectionally connected to the input end of the ciphertext adjustment unit;

[0063] The ciphertext matrix unit is used to divide the data into multiple ciphertext matrices of 1-N equal parts for processing;

[0064] The ciphertext adjustment unit is used to adjust the ciphertext in the matrix.

[0065] The level assessment module is used to perform level assessment on the encrypted data after performing corresponding encryption processing operations on the data.

[0066] Wherein, the data storage module comprises a spatial encryption unit and a data obfuscation unit, the output end of the data storage module is unidirectionally connected to the input end of the spatial encryption unit, and the output end of the data storage module is unidirectionally connected to the input end of the data obfuscation unit;

[0067] The space encryption unit is used to encrypt and isolate the space storing data;

[0068] The data fuzzifying unit is used to perform fuzzy processing on the stored data.

[0069] The monitoring scanning module includes an autonomous scanning unit and a timing scanning unit, the output end of the monitoring scanning module is unidirectionally connected to the input end of the autonomous scanning unit, and the output end of the monitoring scanning module is unidirectionally connected to the input end of the timing scanning unit;

[0070] The autonomous scanning unit is used to set autonomous scanning monitoring work inside the data encryption system;

[0071] The timing scanning unit is used to set a custom timing scanning operation inside the data encryption system.

[0072] The alarm triggering module is used to trigger an alarm when the monitoring scanning module detects abnormal data in the data encryption system, thereby making a timely warning.

[0073] Specifically, when in use, the first step is to obtain the original data of the smart electricity meter, the second step is to encrypt the data when transmitting the data, and perform another encryption processing when receiving the data, the third step is to set multi-mode encryption processing for the data row received by pairing with the MCU control module, the fourth step is to perform key matrix processing on the encrypted data, and use a combination of random forest algorithm, one-time pseudonym algorithm, aggregate signature method and homomorphic encryption algorithm to encrypt the data, and ensure that the encrypted data can be used normally, the fifth step is to complete the encryption processing of the data, and make a level assessment of the encryption method to understand the degree of security, the sixth step is to store the encrypted data in a special space, and compile the stored data to ensure normal use again, the seventh step is to set an autonomous self-check scan for the data encryption system, and set an independent timed scan again, so as to scan the incoming abnormal data in time, and the eighth step is to make a timely warning when the scan monitors abnormal data.

[0074] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A smart energy meter data security encryption system, characterized in that: It includes a data encryption system, a transmission encryption module, a receiving encryption module, a data encryption module, an MCU control module, a key matrix module, a data storage module, a monitoring scanning module and an alarm triggering module, wherein the output end of the data encryption system is unidirectionally connected to the input end of the transmission encryption module, the output end of the transmission encryption module is unidirectionally connected to the input end of the receiving encryption module, the output end of the receiving encryption module is unidirectionally connected to the input end of the data encryption module, the data encryption module is connected to the MCU control module, the output end of the data encryption module is unidirectionally connected to the input end of the key matrix module, the output end of the key matrix module is unidirectionally connected to the input end of the data storage module, the output end of the data storage module is unidirectionally connected to the input end of the monitoring scanning module, and the output end of the monitoring scanning module is unidirectionally connected to the input end of the alarm triggering module; The transmission encryption module is used to encrypt the transmitted smart energy meter data during transmission; The receiving encryption module is used to encrypt the received encrypted smart energy meter data again; The data encryption module is used to encrypt and set three keys, namely variable, quantitative and autonomous, and use encryption processing simultaneously; The key matrix module is used to set matrix processing for the key; The data storage module is used for performing spatial encryption and data obfuscation encryption processing on the stored data; The monitoring scanning module is used to perform self-scanning on the data encryption system.

2. The encryption system for data security of a smart electric energy meter according to claim 1 is characterized in that: The transmission encryption module comprises a data transmission unit and a transmission port encryption unit, the output end of the transmission encryption module is unidirectionally connected to the input end of the data transmission unit, and the output end of the transmission encryption module is unidirectionally connected to the input end of the transmission port encryption unit; The data transmission unit is used to transmit smart electric energy meter data; The transmission port encryption unit is used for encrypting the data passing through the transmission port.

3. The encryption system for data security of a smart electric energy meter according to claim 2 is characterized in that: The receiving encryption module comprises a data receiving unit and a receiving port encryption unit, the output end of the receiving encryption module is unidirectionally connected to the input end of the data receiving unit, and the output end of the receiving encryption module is unidirectionally connected to the input end of the receiving port encryption unit; The data receiving unit is used to receive encrypted data; The receiving port encryption unit is used to encrypt the encrypted data passing through the receiving port again to ensure the transmission process and avoid data leakage.

4. The data security encryption system of a smart electric energy meter according to claim 3 is characterized in that: The data encryption module includes a variable encryption unit, a quantitative encryption unit and a custom encryption unit, the output end of the data encryption module is unidirectionally connected to the input end of the variable encryption unit, the output end of the data encryption module is unidirectionally connected to the input end of the quantitative encryption unit, and the output end of the data encryption module is unidirectionally connected to the input end of the custom encryption unit; The variable encryption unit is used to set a mobile terminal variable key for the data; The quantitative encryption unit is used to encrypt the internal settings of the system; The self-defined encryption unit is used for users to independently set custom encryption processing.

5. The encryption system for data security of a smart electric energy meter according to claim 4 is characterized in that: The key matrix module comprises a ciphertext matrix unit and a ciphertext adjustment unit, the output end of the key matrix module is unidirectionally connected to the input end of the ciphertext matrix unit, and the output end of the key matrix module is unidirectionally connected to the input end of the ciphertext adjustment unit; The ciphertext matrix unit is used to divide the data into multiple ciphertext matrices of 1-N equal parts for processing; The ciphertext adjustment unit is used to adjust the ciphertext in the matrix.

6. The encryption system for data security of a smart electric energy meter according to claim 5, characterized in that: The level assessment module is used to perform level assessment on the encrypted data after performing corresponding encryption processing operations on the data.

7. The encryption system for data security of a smart electric energy meter according to claim 6, characterized in that: The data storage module comprises a spatial encryption unit and a data obfuscation unit, the output end of the data storage module is unidirectionally connected to the input end of the spatial encryption unit, and the output end of the data storage module is unidirectionally connected to the input end of the data obfuscation unit; The space encryption unit is used to encrypt and isolate the space storing data; The data fuzzifying unit is used to perform fuzzy processing on the stored data.

8. The encryption system for data security of a smart electric energy meter according to claim 7, characterized in that: The monitoring scanning module includes an autonomous scanning unit and a timing scanning unit, the output end of the monitoring scanning module is unidirectionally connected to the input end of the autonomous scanning unit, and the output end of the monitoring scanning module is unidirectionally connected to the input end of the timing scanning unit; The autonomous scanning unit is used to set autonomous scanning monitoring work inside the data encryption system; The timing scanning unit is used to set a custom timing scanning operation inside the data encryption system.

9. The encryption system for data security of a smart electric energy meter according to claim 8, characterized in that: The alarm triggering module is used to trigger the alarm when the monitoring scanning module detects abnormal data in the data encryption system, thereby making a timely warning.

10. The method for encrypting data security of a smart electric energy meter according to claim 9 comprises the following steps: S1. Acquire the original data of the smart electric energy meter; S2. Encrypt the data when transmitting it, and encrypt the data when receiving it; S3, pairing with the MCU control module to receive the data line and set the multi-mode encryption process; S4. Perform key matrix processing on the encrypted data, and use a combination of random forest algorithm, one-time pseudonym algorithm, aggregate signature method and homomorphic encryption algorithm to encrypt the data, and ensure that the encrypted data can be used normally; S5. After completing the encryption process of the data, a level assessment is made on the encryption method to understand the security level; S6. The encrypted data is stored in a special space, and the stored data is compiled and processed to ensure normal use again; S7. Set up an autonomous self-check scanning task for the data encryption system, and set up an independent scheduled scanning task again, so as to scan the incoming abnormal data in a timely manner; S8. Issue early warnings in a timely manner when abnormal data is detected during scanning.

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