CN113438562A - Intelligent electric meter data transmission method and system - Google Patents

Intelligent electric meter data transmission method and system Download PDF

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Publication number
CN113438562A
CN113438562A CN202110570597.3A CN202110570597A CN113438562A CN 113438562 A CN113438562 A CN 113438562A CN 202110570597 A CN202110570597 A CN 202110570597A CN 113438562 A CN113438562 A CN 113438562A
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data
smi
intelligent electric
power
electric meter
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田金卉
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
    • H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/30—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy
    • H04L9/3066—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy involving algebraic varieties, e.g. elliptic or hyper-elliptic curves
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2209/00—Arrangements in telecontrol or telemetry systems
    • H04Q2209/60—Arrangements in telecontrol or telemetry systems for transmitting utility meters data, i.e. transmission of data from the reader of the utility meter

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  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computing Systems (AREA)
  • Signal Processing (AREA)
  • Computer Hardware Design (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)

Abstract

The invention relates to the technical field of ammeter data transmission safety, and discloses a method and a system for intelligent ammeter data transmission, which comprise the following steps: the server side of the data security transmission system is installed and operated on an operating system of the power server ESemdes, and a user side of the system is installed and operated on an operating system of the smart meter SMi; the safety management module respectively carries out communication interaction authority verification on the intelligent electric meter SMi and the power server ESemdets, and the intelligent electric meter SMi transmits the encrypted user electricity consumption data to the power server ESemdets only when the communication interaction verification of the intelligent electric meter SMi and the communication interaction verification of the power server ESemdets are both successful; the power server ESemdets decrypts the ciphertext of the power consumption data of the user at the communication encryption module. The method and the device solve the technical problem that the power utilization data of the intelligent electric meter cannot be obtained by the power system when the data of the single intelligent electric meter can be transmitted to the power system.

Description

Intelligent electric meter data transmission method and system
Technical Field
The invention relates to the technical field of ammeter data transmission safety, in particular to an intelligent ammeter data transmission method and system.
Background
The bidirectional communication between the intelligent electric meter and the power system enables the power system to dynamically adjust the load according to the real-time power utilization data of users. Because the real-time electricity consumption data can reflect the personal behaviors of the power consumer, such as whether the power consumer takes a bath or watches a television, and even what appliances are used in the home, the potential privacy disclosure risk is brought.
Therefore, how to enable the data of the single intelligent electric meter to be transmitted to the power system, which intelligent electric meter power consumption data cannot be obtained by the power system, becomes a key for protecting the real-time power consumption data of the power users from being leaked.
Disclosure of Invention
Technical problem to be solved
The invention provides a method and a system for transmitting data of an intelligent electric meter, aiming at overcoming the defects of the prior art, and solving the technical problem that the power consumption data of the intelligent electric meter cannot be obtained by a power system when the data of a single intelligent electric meter can be transmitted to the power system.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme:
a smart meter data transmission system comprising: and the intelligent ammeter SMi performs data interaction with the server software of the data safety transmission system running on the power server ESemdets through the client software of the data safety transmission system.
Further, the data security transmission system comprises: the intelligent electric meter management system comprises a data acquisition module for acquiring user electric power use data on the intelligent electric meter SMi in real time, a key management module for the intelligent electric meter SMi to acquire a communication key, a communication encryption module for protecting the user electric power use data on the intelligent electric meter SMi, and a safety management module for verifying the ESemdes communication interaction authority of the electric power server.
A data transmission method for an intelligent electric meter comprises the following steps:
step one, registering information on a key management module by an intelligent electric meter SMi and an electric power server ESemdets, and acquiring a communication key;
step two, the data acquisition module acquires the electricity utilization data of the users on the SMi of the intelligent electric meter in real time and transmits the electricity utilization data to the communication encryption module for encryption processing;
step three, when the power server ESemdes requests the smart meter SMi to acquire the power consumption data of the user on the smart meter SMi, the safety management module respectively verifies the communication interaction authority of the smart meter SMi and the power server ESemdes, and the smart meter SMi transmits the encrypted power consumption data of the user to the power server ESemdes only when the communication interaction verification of the smart meter SMi and the communication interaction verification of the power server ESemdes are both successful;
and fourthly, the power server ESemdes decrypts the ciphertext of the power utilization data of the user in the communication encryption module.
Further, the specific steps of encrypting the electricity data of the user on the smart meter SMi collected by the data collection module by the communication encryption module include:
step S1, the communication encryption module encodes the electricity consumption data Ecdate of the user on the SMi of the intelligent electric meter to EpA point M on (a, b);
in step S2, the communication encryption module generates a message in binary field F2 mR, and let M ═ r (Z)es) Is established and M is in an elliptic curve Ep(a, b);
in step S3, the communication encryption module calculates a ciphertext C of the electricity consumption data ecadate as M + r (T)es)。
(III) advantageous technical effects
Compared with the prior art, the invention has the following beneficial technical effects:
based on the discrete logarithm difficult-to-solve technology on the elliptic curve, after the security management module successfully verifies the communication interaction authority of the intelligent electric meter, the intelligent electric meter is only known to have legal communication interaction authority, and the intelligent electric meter adopts virtual identity information registration, so that other information cannot be known;
after the communication encryption module decrypts the ciphertext of the electricity consumption data of the user on the intelligent electric meter, the secret key of the power server is used for decryption, so that the electricity consumption data of the user on the intelligent electric meter is only obtained, and the electricity consumption data of the user on which intelligent electric meter can not be obtained;
therefore, the technical effect that the data of the single intelligent electric meter can be transmitted to the power system, but the power system cannot obtain the power utilization data of the intelligent electric meter is achieved.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A smart meter data transmission system comprising: the server software of the data security transmission system is installed and operated on an operating system of the power server ESemdets, the client software of the data security transmission system is installed and operated on an operating system of a smart meter SMi (i is 1,2, …, n), and the smart meter SMi performs data interaction with the server software of the data security transmission system operated on the power server ESemdets through the client software of the data security transmission system;
the data secure transmission system includes: the system comprises a data acquisition module, a key management module, a communication encryption module and a safety management module, wherein the data acquisition module is used for acquiring user electric power use data on an intelligent electric meter SMi in real time;
the key management module performs data interaction with the communication encryption module and the security management module respectively; the data acquisition module and the communication encryption module perform data interaction with each other;
a data transmission method for an intelligent electric meter comprises the following steps:
step one, registering information on a key management module by an intelligent electric meter SMi and an electric power server ESemdets, and acquiring a communication key;
step two, the data acquisition module acquires the electricity utilization data of the users on the SMi of the intelligent electric meter in real time and transmits the electricity utilization data to the communication encryption module for encryption processing;
step three, when the power server ESemdes requests the smart meter SMi to acquire the power consumption data of the user on the smart meter SMi, the safety management module respectively verifies the communication interaction authority of the smart meter SMi and the power server ESemdes, and the smart meter SMi transmits the encrypted power consumption data of the user to the power server ESemdes only when the communication interaction verification of the smart meter SMi and the communication interaction verification of the power server ESemdes are both successful;
step four, after the communication encryption module decrypts the ciphertext of the electricity consumption data of the user, the power server ESemdes only obtains the electricity consumption data of the user on one intelligent electric meter SMi, but cannot obtain the electricity consumption data of the user on which intelligent electric meter SMi;
further, the method for registering information on the key management module by the smart meter SMi to obtain the communication key includes the following specific steps:
step S1, the intelligent electric meter SMi inputs the virtual identity information IDsmi of the intelligent electric meter into the key management module for information registration;
step S2, the key management module is in binary field F2 mUpper selection of an elliptic curve Ep(a, b) on the elliptic curve Ep(a, b) randomly selecting a point Z as a base point, and then taking the elliptic curve Ep(a, b) disclosing a base point Z to the smart electric meter SMi;
step S3, the intelligent electric meter SMi selects one in the binary field F2 mIs generated in the binary field F2 mThe public key T is obtained, and T is enabled to be satisfied, and then the public key T is transmitted to the key management module;
further, the power server ESemdets performs information registration on the key management module, and the specific step of acquiring the communication key includes:
step S1, the power server ESemdes inputs the real identity information IDs of the power server ESemdes to the key management module for information registration;
step S2, the key management module is in binary field F2 mUpper selection of an elliptic curve Ep(a,b)，At the elliptic curve Ep(a, b) randomly selecting a point ZesAs a base point, an elliptic curve E is then drawnp(a, b) base point ZesThe information is disclosed to a power server ESemdets;
step S3, selecting one of the ESemdes in binary field F by the power server2 mKey t ofesGenerated in the binary field F2 mPublic key of (3) TesAnd let T bees＝(tes)(Zes) After that, the public key T is usedesTransmitting to a key management module;
further, the specific steps of the communication encryption module encrypting the electricity data of the user on the smart electric meter SMi collected by the data collection module include:
step S1, the communication encryption module encodes the electricity consumption data Ecdate of the user on the SMi of the intelligent electric meter to EpA point M on (a, b);
in step S2, the communication encryption module generates a message in binary field F2 mR, and let M ═ r (Z)es) Is established and M is in an elliptic curve Ep(a, b);
in step S3, the communication encryption module calculates a ciphertext C of the electricity consumption data ecadate as M + r (T)es)；
Further, the specific steps of the security management module for carrying out communication interaction authority verification on the smart meter SMi include:
step S1, the smart meter SMi randomly selects one in the binary field F2 mThe value z above, calculating U as zZ, and fitting U on the elliptic curve Ep(a, b), and then transmitting the U to a security management module;
step S2, the security management module automatically generates in binary field F2 mThe random number u is transmitted to the smart meter SMi;
step S3, the intelligent electric meter SMi calculates theta as z + ut and transmits the theta to the safety management module;
step S4, the security management module verifies whether the equation θ Z is true, and if yes, it indicates that the communication interaction authority verification of the smart meter SMi is successful;
further, the specific steps of the security management module for carrying out communication interaction authority verification on the power server ESemdets include:
step S1, the power server ESemdes randomly selects one in the binary field F2 mValue z ofesCalculate Ues＝(zes)(Zes) And make UesOn an elliptic curve Ep(a, b) after which U isesTransmitting to a safety management module;
step S2, the security management module automatically generates in binary field F2 mRandom number u ofesThen the random number u is addedesTransmitting to a power server ESemdets;
in step S3, the power server ESemdets calculates θes＝zes+(ues)(tes) And will be thetaesTransmitting to a safety management module;
step S4, the Security management Module verifies the equation (θ)es)(Zes)＝Ues+(ues)(Tes) Whether the communication interaction authority of the power server ESemdes is established or not is judged, if yes, the communication interaction authority of the power server ESemdes is verified successfully;
further, the specific steps of the power server ESemdets decrypting the ciphertext of the power consumption data of the user at the communication encryption module include:
step S1, according to the secret key t of the ESemdes of the power serveresSolving the equation C ═ 1+ tes)r(Zes) To obtain r;
step S2, according to r, by solving the equation C ═ M + r (T)es) Obtaining M;
step S3, obtaining electricity consumption data Ecdate according to M and the coding relation between the electricity consumption data Ecdate and M;
although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. A smart meter data transmission system, comprising: and the intelligent ammeter SMi performs data interaction with the server software of the data safety transmission system running on the power server ESemdets through the client software of the data safety transmission system.
2. The smart meter data transmission system of claim 2, wherein the data security transmission system comprises: the intelligent electric meter management system comprises a data acquisition module for acquiring user electric power use data on the intelligent electric meter SMi in real time, a key management module for the intelligent electric meter SMi to acquire a communication key, a communication encryption module for protecting the user electric power use data on the intelligent electric meter SMi, and a safety management module for verifying the ESemdes communication interaction authority of the electric power server.
3. A data transmission method for an intelligent electric meter is characterized by comprising the following steps:
step one, registering information on a key management module by an intelligent electric meter SMi and an electric power server ESemdets, and acquiring a communication key;
step two, the data acquisition module acquires the electricity utilization data of the users on the SMi of the intelligent electric meter in real time and transmits the electricity utilization data to the communication encryption module for encryption processing;
step three, when the power server ESemdes requests the smart meter SMi to acquire the power consumption data of the user on the smart meter SMi, the safety management module respectively verifies the communication interaction authority of the smart meter SMi and the power server ESemdes, and the smart meter SMi transmits the encrypted power consumption data of the user to the power server ESemdes only when the communication interaction verification of the smart meter SMi and the communication interaction verification of the power server ESemdes are both successful;
and fourthly, the power server ESemdes decrypts the ciphertext of the power utilization data of the user in the communication encryption module.
4. The method for transmitting the data of the intelligent electric meters according to claim 3, wherein the step of encrypting the electricity consumption data of the users on the intelligent electric meters SMi collected by the data collecting module by the communication encrypting module comprises the following steps:
step S1, the communication encryption module encodes the electricity consumption data Ecdate of the user on the SMi of the intelligent electric meter to EpA point M on (a, b);
in step S2, the communication encryption module generates a message in binary field F2 mR, and let M ═ r (Z)es) Is established and M is in an elliptic curve Ep(a, b);
in step S3, the communication encryption module calculates a ciphertext C of the electricity consumption data ecadate as M + r (T)es)。
CN202110570597.3A 2021-05-25 2021-05-25 Intelligent electric meter data transmission method and system Withdrawn CN113438562A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110570597.3A CN113438562A (en) 2021-05-25 2021-05-25 Intelligent electric meter data transmission method and system

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Application Number Priority Date Filing Date Title
CN202110570597.3A CN113438562A (en) 2021-05-25 2021-05-25 Intelligent electric meter data transmission method and system

Publications (1)

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CN113438562A true CN113438562A (en) 2021-09-24

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116033295A (en) * 2022-11-11 2023-04-28 国家电网有限公司 Communication processing system based on electric power mobile operation terminal

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116033295A (en) * 2022-11-11 2023-04-28 国家电网有限公司 Communication processing system based on electric power mobile operation terminal
CN116033295B (en) * 2022-11-11 2023-12-29 国家电网有限公司 Communication processing system based on electric power mobile operation terminal

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