CN216391430U - Power distribution automation terminal access control system with quantum encryption function - Google Patents

Power distribution automation terminal access control system with quantum encryption function Download PDF

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Publication number
CN216391430U
CN216391430U CN202121687876.XU CN202121687876U CN216391430U CN 216391430 U CN216391430 U CN 216391430U CN 202121687876 U CN202121687876 U CN 202121687876U CN 216391430 U CN216391430 U CN 216391430U
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terminal
encryption
quantum
distribution
module
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CN202121687876.XU
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Chinese (zh)
Inventor
吴靖
刘伟浩
樊立波
钱锦
顾建炜
朱超越
严性平
边巧燕
赵欢伟
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Zhejiang Dayou Industrial Co ltd Hangzhou Science And Technology Development Branch
Hangzhou Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
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Zhejiang Dayou Industrial Co ltd Hangzhou Science And Technology Development Branch
Hangzhou Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00Reducing energy consumption in communication networks
    • Y02D30/70Reducing energy consumption in communication networks in wireless communication networks
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/20Information technology specific aspects, e.g. CAD, simulation, modelling, system security

Abstract

The utility model provides a power distribution automatic terminal access control system with quantum encryption, which comprises encryption equipment, a main station switch, a terminal switch and authentication equipment, wherein the encryption equipment comprises a main station encryption machine arranged on the side of the main station of power distribution and a plurality of terminal encryption machines arranged on the side of a power distribution terminal, each power distribution terminal is provided with one terminal encryption machine, the main station encryption machine is connected with the main station of power distribution through a classical switch, each terminal encryption machine is connected with the power distribution terminal through the terminal switch, the authentication equipment comprises an authentication server and an equipment fingerprint database, and the authentication server is simultaneously connected with the main station switch, the terminal switch and the equipment fingerprint database. The quantum encryption is added into the terminal decryption equipment, so that the encryption strength is improved, the safety protection level of data interaction is effectively improved, and the identity authentication is carried out on the power distribution terminal through the authentication equipment, so that the safe, stable and efficient operation of a power grid is ensured.

Description

Power distribution automation terminal access control system with quantum encryption function
Technical Field
The utility model relates to a distribution automation terminal access control system with quantum encryption.
Background
At present, distribution automation emphasizes the real-time two-way interaction of a distribution main station and a distribution terminal, and the data safety of the main station and the terminal is considered at the same time in the interaction process, but because the distribution automation terminals are numerous in quantity, and the current common distribution terminal is not provided with message encryption equipment, when the distribution terminal uploads data to the distribution main station, the security of the data uploading process is difficult to guarantee. The loss of the power distribution terminal side for data safety protection enables an illegal user to optionally intercept data uploaded by the power distribution terminal side. In the interaction process of the power distribution main station and the power distribution terminal, only one-way authentication is usually performed, and an illegal user can easily steal data by forging or tampering the terminal. And the encryption protection level of data is not high when interaction is carried out between the power distribution main station and the power distribution terminal, the data is easy to leak or be stolen, and the communication safety is greatly influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provides a distribution automation terminal access control system with quantum encryption.
The purpose of the utility model is realized by the following technical scheme:
the utility model provides a distribution automation terminal access control system with quantum is encrypted, is applicable to distribution main website and distribution terminal, including encryption equipment, main website switch, terminal switch and authentication equipment, encryption equipment is including setting up the main website encryption machine with distribution main website side to and a plurality of sets up the terminal encryption machine in distribution terminal side, and every distribution terminal configures a terminal encryption machine, the main website encryption machine is connected with distribution main website through classic switch, and every terminal encryption machine all is connected with distribution terminal through terminal switch, authentication equipment includes authentication server and equipment fingerprint database, authentication server is connected with main website switch, terminal switch and equipment fingerprint database simultaneously.
Furthermore, the main station encryption machine and the terminal encryption machine respectively comprise a microprocessor, an electric power encryption module, a quantum encryption module and a communication module, the electric power encryption module, the quantum encryption module and the communication module in the main station encryption machine and the terminal encryption machine are respectively connected with the corresponding microprocessors, and the communication module in the main station encryption machine is in communication connection with the communication module in the terminal encryption machine.
Furthermore, the quantum encryption module comprises a quantum key generation unit and a quantum key distribution unit, the quantum key generation unit is connected with the quantum key distribution unit, the quantum key generation unit is used for generating quantum keys, and the quantum key distribution unit is used for distributing the quantum keys corresponding to each power distribution terminal.
Furthermore, the electric power encryption module comprises an electric power encryption card, and the electric power encryption card is connected with the microprocessor through a PCI-E interface.
Furthermore, the main station encryption machine and the terminal encryption machine both comprise key storage modules, the key storage modules are connected with the power encryption module and the quantum encryption module at the same time, and the key storage modules are used for storing keys generated by the power encryption module and the quantum encryption module in the main station encryption machine and the terminal encryption machine.
Furthermore, all be provided with a plurality of communication port on main website switch and the terminal switch, all communication ports on authentication equipment passes through SNMP network protocol control main website switch and the terminal switch.
Furthermore, a front-end processor is further arranged between the power distribution main station and the main station switch and used for caching data transmitted between the power distribution main station and the power distribution terminal and performing power communication protocol conversion.
Further, the communication module in the encryption device is a 5G communication module, the 5G communication module includes a communication state indicating circuit, the communication state indicating circuit includes a 5G communication chip, a resistor R1, a resistor R2, a resistor R3, a state indicator light LED1 and a triode Q1, one end of the resistor R1 is connected to a NET _ STATUS pin of the 5G communication chip, the other end of the resistor R1 is connected to one end of the resistor R2 and a base of the triode Q1, the other end of the resistor R2 is grounded, a collector of the triode Q1 is connected to one end of the resistor R3, the other end of the resistor R3 is connected to a cathode of the state indicator light LED1, an emission set of the triode Q1 is grounded, and an anode of the state indicator light LED1 is connected to a working power supply.
The utility model has the beneficial effects that:
on the basis of carrying out electric power encryption on the transmitted data, quantum encryption processing is superposed, the encryption intensity of the transmitted data is effectively improved in a multiple encryption mode, and the information safety is ensured. And carry out authentication through authentication equipment to distribution terminal before distribution terminal inserts the distribution main website, can carry out effective authentication to distribution terminal, prevent that counterfeit or hijack's distribution terminal from transmitting harmful data to the distribution main website, guarantee safety, stability and the high-efficient operation of electric wire netting.
Drawings
FIG. 1 is a block diagram of an architecture of the present invention;
fig. 2 is a schematic diagram of a connection between a master encryption device and a plurality of terminal encryption devices according to an embodiment of the present invention;
FIG. 3 is a circuit diagram of a communication status indication circuit of the present invention
Wherein: 1. the system comprises an encryption device, 11, a main station encryption device, 12, a terminal encryption device, 13, a microprocessor, 14, an electric power encryption module, 141, an electric power encryption card, 142, a PCI-E interface, 15, a quantum encryption module, 151, a quantum key generation unit, 152, a quantum key distribution unit, 153, an encryption chip, 16, a communication module, 17, a key storage module, 2, a main station switch, 3, a terminal switch, 4, an authentication device, 41, an authentication server, 42, a device fingerprint database, 5, a front-end processor, 6, a power distribution main station, 7 and a power distribution terminal.
Detailed Description
The utility model is further described below with reference to the figures and examples.
Example (b):
the utility model provides a distribution automation terminal admission control system with quantum is encrypted, is applicable to distribution main website 6 and distribution terminal 7, as shown in figure 1, including encryption equipment 1, main website switch 2, a plurality of terminal switch 3 and authentication equipment 4, encryption equipment 1 is including setting up in the main website encryption machine 11 of distribution main website 6 side to and a plurality of terminal encryption machine 12 of setting in distribution terminal 7 side, and terminal encryption machine 12 is configured to every distribution terminal 7, main website encryption machine 11 is connected with distribution main website 6 through main website switch 2, and every terminal encryption machine 12 all is connected with distribution terminal 7 through terminal switch 3. The authentication device 4 comprises an authentication server 41 and a device fingerprint database 42. The authentication device 4 is connected to both the master switch 2 and the terminal switch 3. And a front-end processor 5 is also arranged between the power distribution main station 6 and the main station switch 2.
As shown in fig. 2, each of the master station encryption device 11 and the terminal encryption device 12 includes a microprocessor 13, a power encryption module 14, a quantum encryption module 15, a communication module 16, and a key storage module 17, the quantum encryption module 15 includes a quantum key generation unit 151, a quantum key distribution unit 152, and an encryption chip 153, the power encryption module 14 includes a power encryption card 141, and the power encryption card 141 is connected to the microprocessor 13 through a PCI-E interface 142. The power encryption module 14, the quantum encryption module 15 and the communication module 16 in the encryption device 1 are all connected with the corresponding microprocessor 13, and the communication module 16 in the main station encryption machine 11 is in communication connection with the communication module 16 in the terminal encryption machine 12.
The master station switch 2 and the terminal switch 3 are both existing switches, and the models, circuit structures and the like of the switches can be obtained from various public files, which is not described in detail herein.
The device fingerprint database 42 includes the device fingerprint for each power distribution terminal 7. The device fingerprint of the power distribution terminal 7 is collected before the power distribution terminal 7 is connected to the power distribution network, and the MAC address of the power distribution terminal 7 is used as the device fingerprint of the power distribution terminal 7 in the embodiment.
When the data interaction is needed between the power distribution main station 6 and the power distribution terminal 7, firstly, the identity authentication of the power distribution terminal 7 for data interaction needs to be carried out through the authentication equipment 4, the authentication server 41 receives the identity information of the power distribution terminal 7 through the terminal switch 3, collects the equipment fingerprint of the power distribution terminal 7 from the identity information, compares the collected equipment fingerprint with the equipment fingerprint of the power distribution terminal 7 in the equipment fingerprint database 42, and if the comparison result is inconsistent, the authentication server 41 controls the port on the terminal switch 3, which is connected with the power distribution terminal 7, to be closed, directly cuts off data transmission and prevents data leakage; and if the data are consistent with the data, data transmission is carried out, corresponding encryption and decryption processing is carried out through the encryption equipment 1, and data encryption communication between the power distribution main station 6 and the power distribution terminal 7 is completed. And when the authentication device 4 finds that the device fingerprint of the power distribution terminal 7 is inconsistent with the device fingerprint in the device fingerprint database 42, the related information of the power distribution terminal 7 can be sent to the power distribution main station 6 through the main station switch 2 for recording.
The quantum key generation unit 151 is connected to a quantum key distribution unit 152, the quantum key generation unit 151 is configured to generate a quantum key, and the quantum key distribution unit 152 is configured to distribute the quantum key corresponding to each distribution terminal 7.
The quantum key generation unit 151 generates a quantum key, which is specifically a quantum random number sequence generated by a quantum random number chip, by using the quantum random number chip. Since the plurality of distribution terminals 7 are provided, the quantum key distribution unit 152 distributes the quantum key corresponding to each distribution terminal 7 during data exchange between each distribution terminal 7 and the distribution master 6, and thus end-to-end data communication encryption between the distribution master 6 and each distribution terminal 7 is realized. The quantum encryption module 15 encrypts data through the encryption chip 153, in this embodiment, the encryption chip 153 may be an ALPU series chip developed by korean news, and the quantum encryption process is implemented by using a quantum random number sequence as an encryption key.
In this embodiment, the quantum random number chip may be a Quantis-series quantum random number generation chip developed by switzerland ID Quantique.
The electric power encryption card 141 is provided with a special algorithm password chip for the electric power system, and the electric power encryption card 141 encrypts the electric power of the data through the special algorithm password chip for the electric power system.
In this embodiment, the power encryption card 141 may be a power encryption card with model number PT2000E-G developed by the ketjen company, and the power system-specific algorithm cryptographic chip provided in the power encryption card 141 is an SSX06 cryptographic algorithm chip.
The microprocessor 13 is a central control unit of the encryption device 1, a power encryption module 14, a quantum encryption module 15 and a communication module 16 in the encryption device 1 are respectively connected with each pin of the microprocessor 13, and the microprocessor 13 controls the processes of encryption, transmission and decryption of data between the power distribution main station 6 and the power distribution terminal 7. The microprocessor 13 is an embedded microprocessor 13 device having a multi-core structure, and in this embodiment, the microprocessor 13 may be an ARM-series processor.
When the power distribution master station 6 needs to send data to the power distribution terminals 7 and the corresponding power distribution terminals 7 pass the authentication of the authentication device 4, the data sent by the power distribution master station 6 is firstly transmitted to the microprocessor 13 through the master station switch 2, the microprocessor 13 transmits the data sent by the power distribution master station 6 to the power encryption module 14, the power encryption card 141 in the power encryption module 14 generates a corresponding power encryption key, the data sent by the power distribution master station 6 is subjected to power encryption according to the generated power encryption key, the power encryption module 14 transmits the data after power encryption and the power encryption key to the microprocessor 13, the microprocessor 13 firstly transmits the power encryption key to the microprocessor 13 of the terminal encryption machine 12 corresponding to the power distribution terminals 7 through the communication module 16, then transmits the data after power encryption to the quantum encryption module 15, and the quantum key generation module generates a quantum random number sequence, the generated quantum random number sequence is used as a quantum key, the quantum key of the power distribution terminal 7 is distributed through the quantum key distribution unit 152, the quantum encryption module 15 performs quantum encryption on the data after power encryption according to the quantum key, the quantum encryption module 15 transmits the data after quantum encryption and the quantum key to the microprocessor 13, and the microprocessor 13 transmits the quantum key and the data after quantum encryption to the terminal encryptor 12 corresponding to the power distribution terminal 7 through the communication module 16. And the terminal encryptor 12 corresponding to the power distribution terminal 7 sequentially decrypts the received data according to the quantum key and the electric power encryption key, and finally transmits the decrypted data to the power distribution terminal 7 through the terminal switch 3.
When the power distribution terminal 7 needs to upload data to the power distribution main station 6, similarly, data encryption is performed through the terminal encryptor 12 corresponding to the power distribution terminal 7, and then data after encryption is decrypted according to the main station encryptor 11, so that data encryption communication between the power distribution main station 6 and the power distribution terminal 7 is realized.
The key storage module 17 is connected to the power encryption module 14 and the quantum encryption module 15, and the key storage module 17 is configured to store keys generated by the power encryption module 14 and the quantum encryption module 15 in the master encryption device 11 and the terminal encryption device 12.
In this embodiment, the key storage module 17 may be a random access memory, an institutional memory, a programmable institutional memory, or the like.
All be provided with a plurality of communication ports on main website switch 2 and the terminal switch 3, authentication equipment 4 passes through all communication ports on SNMP network protocol control main website switch 2 and the terminal switch 3.
Control the communication port on main website switch 2 or the terminal switch 3 through authentication equipment 4, if authentication equipment 4 does not pass through to distribution terminal 7's authentication, directly block the data transmission process through the mode of cutting off the communication port directly, can in time cut off the data transmission process when the distribution terminal 7 that forges or falsify tries to carry out data interaction with distribution main website 6, reduce the data leakage risk.
The front-end processor 5 is used for caching data transmitted between the power distribution main station 6 and the power distribution terminal 7 and performing power communication protocol conversion.
In the data interaction process of the power distribution main station 6 and each power distribution terminal 7, because the power communication protocols adopted by different power distribution terminals 7 are different, protocol conversion is carried out on data interacted between each power distribution terminal 7 and the power distribution main station 6 by adding the front-end processor 5, the problem of power communication protocol conversion in the data interaction process is solved, and centralized management and monitoring of the power distribution main station 6 on the power distribution terminals 7 are realized.
The communication module 16 in the encryption device 1 is a 5G communication module 16, the 5G communication module 16 includes a communication state indicating circuit, as shown in fig. 3, the communication state indicating circuit includes a 5G communication chip, a resistor R1, a resistor R2, a resistor R3, a state indicator light LED1 and a triode Q1, one end of the resistor R1 is connected with a NET _ STATUS pin of the 5G communication chip, the other end of the resistor R1 is connected with one end of the resistor R2 and a base of the triode Q1, the other end of the resistor R2 is grounded, a collector of the triode Q1 is connected with one end of the resistor R3, the other end of the resistor R3 is connected with a cathode of the state indicator light LED1, an emission set of the triode Q1 is grounded, and an anode of the state indicator light LED1 is connected with a working power supply.
The above-described embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the spirit of the utility model as set forth in the claims.

Claims (8)

1. A distribution automation terminal access control system with quantum encryption is suitable for a distribution main station (6) and a distribution terminal (7), and is characterized by comprising an encryption device (1), a main station switch (2), a terminal switch (3) and an authentication device (4), wherein the encryption device (1) comprises a main station encryptor (11) arranged on the side of the distribution main station (6) and a plurality of terminal encryptors (12) arranged on the side of the distribution terminal (7), each distribution terminal (7) is provided with one terminal encryptor (12), the main station encryptor (11) is connected with the distribution main station (6) through a classical switch, each terminal encryptor (12) is connected with the distribution terminal (7) through the terminal switch (3), the authentication device (4) comprises an authentication server (41) and a device fingerprint database (42), the authentication server (41) is simultaneously connected with the main station switch (2), the terminal switch (3) and the equipment fingerprint database (42).
2. The distribution automation terminal admission control system with quantum cryptography according to claim 1, characterized in that the master encryption station (11) and the terminal encryption station (12) each comprise a microprocessor (13), a power encryption module (14), a quantum encryption module (15), a power decryption module, a quantum decryption module and a communication module (16), the power encryption module (14), the quantum encryption module (15) and the communication module (16) in the master encryption station (11) and the terminal encryption station (12) are connected with the corresponding microprocessors (13), and the communication module (16) in the master encryption station (11) is in communication connection with the communication module (16) in the terminal encryption station (12).
3. A distribution automation terminal admission control system with quantum cryptography according to claim 2, characterized in that the quantum cryptography module (15) comprises a quantum key generation unit (151) and a quantum key distribution unit (152), the quantum key generation unit (151) is connected with the quantum key distribution unit (152), the quantum key distribution unit (152) is further connected with the microprocessor (13), the quantum key generation unit (151) is used for generating quantum keys, and the quantum key distribution unit (152) is used for distributing the quantum keys corresponding to each distribution terminal (7).
4. A distribution automation terminal admission control system with quantum cryptography according to claim 2, characterized in that the power encryption module (14) comprises a power encryption card (141), the power encryption card (141) being connected to the microprocessor (13) through a PCI-E interface (142).
5. A distribution automation terminal admission control system with quantum cryptography according to claim 2, characterized in that the master station encryptor (11) and the terminal encryptor (12) each comprise a key storage module (17), the key storage module (17) being connected to both the power encryption module (14) and the quantum key module, the key storage module (17) being configured to store keys generated by the power encryption module (14) and the quantum key module (15) in the master station encryptor (11) and the terminal encryptor (12).
6. The distribution automation terminal admission control system with quantum cryptography according to claim 1, characterized in that a plurality of communication ports are provided on both the master station switch (2) and the terminal switch (3), and the authentication device (4) controls all the communication ports on the master station switch (2) and the terminal switch (3) through SNMP network protocol.
7. The distribution automation terminal admission control system with quantum cryptography according to claim 1, characterized in that a front-end processor (5) is further disposed between the distribution main station (6) and the main station switch (2), and the front-end processor (5) is configured to buffer data transmitted between the distribution main station (6) and the distribution terminal (7) and perform power communication protocol conversion.
8. A distribution automation terminal admission control system with quantum cryptography according to claim 1, it is characterized in that the communication module (16) in the encryption equipment (1) is a 5G communication module (16), the 5G communication module (16) comprises a communication state indicating circuit, the communication state indicating circuit comprises a 5G communication chip, a resistor R1, a resistor R2, a resistor R3, a state indicator light LED1 and a triode Q1, one end of the resistor R1 is connected with a NET _ STATUS pin of the 5G communication chip, the other end of the resistor R1 is connected with one end of a resistor R2 and the base of a triode Q1, the other end of the resistor R2 is grounded, the collector of the triode Q1 is connected with one end of the resistor R3, the other end of the resistor R3 is connected with the cathode of the status indicator light LED1, the emission set of the triode Q1 is grounded, and the anode of the status indicator light LED1 is connected with a working power supply.
CN202121687876.XU 2021-07-23 2021-07-23 Power distribution automation terminal access control system with quantum encryption function Active CN216391430U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116232731A (en) * 2023-03-07 2023-06-06 国网浙江省电力有限公司杭州供电公司 Near-end safety protection method and system based on intelligent substation edge network

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116232731A (en) * 2023-03-07 2023-06-06 国网浙江省电力有限公司杭州供电公司 Near-end safety protection method and system based on intelligent substation edge network
CN116232731B (en) * 2023-03-07 2023-09-29 国网浙江省电力有限公司杭州供电公司 Near-end safety protection method and system based on intelligent substation edge network

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