CN106546942A - A kind of conforming encryption detection method of electric energy measuring equipment and electric energy measuring equipment uniformity comparison system - Google Patents
A kind of conforming encryption detection method of electric energy measuring equipment and electric energy measuring equipment uniformity comparison system Download PDFInfo
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- CN106546942A CN106546942A CN201510594190.9A CN201510594190A CN106546942A CN 106546942 A CN106546942 A CN 106546942A CN 201510594190 A CN201510594190 A CN 201510594190A CN 106546942 A CN106546942 A CN 106546942A
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- electric energy
- measuring equipment
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- encrypted master
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- Y—GENERAL 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS 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
- Y04S40/00—Systems 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
- Y04S40/20—Information technology specific aspects, e.g. CAD, simulation, modelling, system security
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Abstract
The invention discloses a kind of conforming encryption detection method of electric energy measuring equipment, including start work station, authentication is carried out with the first safe encrypted master；Work station is to consistency detection device transmitting control commands, enabling signal source, according to consistency detection logic control voltage, electric current, power factor；Work station reads consistency detection logic, connects first, second safe encrypted master, logical to carry out bidirectional identity authentication；Work station connects first, second safe encrypted master, tested electric energy measuring equipment, benchmark electric energy measuring equipment, and road carries out bidirectional identity authentication；Work station reads benchmark electric energy measuring equipment object code ciphertext, is sent to the first safe encrypted master, reads tested electric energy measuring equipment object code text again, is sent to the second safe encrypted master；Work station verifies the ciphertext data check of each frame, is stored in the object code ciphertext storehouse of tested electric energy measuring equipment.The invention also discloses electric energy measuring equipment uniformity comparison system.
Description
Technical field
The present invention is a kind of encryption detection method of the software conformance contrast with regard to smart metering device and its is
Bulk cargo is put.
Background technology
Current electric energy measuring equipment complexity of software more and more higher, be verify its software conformance with it is credible
Property, grid company has formulated the alignment schemes for meeting associated specifications requirement.It is primarily present following defect：
In software comparison process, need equipment manufacturer to provide code, be easily caused code leakage；Data are in comparison process
In with clear data transmit, it is easy to be ravesdropping intercepting and capturing；Only simple password is verified, it is impossible to guaranteed
Software compares the reliability of personnel.
The content of the invention
The present invention solves above-mentioned technological deficiency, designs the contrast that a kind of software conformance of smart metering device is compared
Improve, for example, be designed to safe encrypted master, by providing embedded-type security scheme, using communication mode
The software version number of encryption authentication intelligent measuring equipment, is protected with advanced physical and hardware-based cryptographic, is read
The object code of electric energy measuring equipment, carries out software conformance detection, compares for measuring equipment software and provides peace
Full measure.
Preferably, system is mainly by safe encrypted master, work station, sample of putting on record, tested equipment, intelligence
Can measuring equipment software conformance detection means composition.Smart metering device software conformance detecting system software
On a workstation, safe encrypted master is mutually authenticated, and is mutually authenticated with tested equipment for deployment.Certification is led to
Later, work station is communicated with detection means by RS485 bus modes, carries out the control operation of signal source；
Behind detection means liter source, equipment sample is carried out with tested equipment according to the software conformance alignment schemes of configuration
Traffic operation；The tested metering of software automatic detection and the object code concordance of tested equipment, carry out detection knot
Fruit judges.
To achieve these goals, a kind of conforming encryption detection method of electric energy measuring equipment of the invention includes step
Suddenly：1) start work station, input detection password carries out authentication with the first safe encrypted master, tests
Card detection legitimacy；2) work station is to consistency detection device transmitting control commands, enabling signal source, according to
Consistency detection logic control voltage, electric current, power factor；3) work station reads described consistency detection
Logic, the first safe encrypted master of connection, the second safe encrypted master, by first via encrypted tunnel
Carry out bidirectional identity authentication；4) the first described safe encrypted master of work station connection, tested electric energy metrical
Equipment, obtains software version number encryption authentication data, carries out bidirectional identity authentication by the second road encrypted tunnel,
Judge whether certification success, it is successful then continue executing with next step, it is unsuccessful then to terminate performing this step；5) work
Make the second described safe encrypted master of station connection, benchmark electric energy measuring equipment, obtain software version number and add
Close authentication data, carries out bidirectional identity authentication by the second road encrypted tunnel, judges whether certification success, into
Work(then continues executing with next step, unsuccessful then to terminate performing this step；6) work station reads the benchmark electric energy
128 byte data ciphertext of measuring equipment object code, sends ciphertext to the first safe encrypted master, passes through
Secondary encryption obtains ciphertext data；7) work station verifies whether the ciphertext data check of each frame is correct, correctly
The object code ciphertext storehouse of benchmark electric energy measuring equipment is stored in then；8) work station reads tested electric energy measuring equipment
128 byte data ciphertext of object code, sends ciphertext to the second safe encrypted master, by secondary encryption
Obtain ciphertext data；9) work station verifies whether the ciphertext data check of each frame correct, be correctly then stored in by
The object code ciphertext storehouse of inspection electric energy measuring equipment.
Accordingly, a kind of electric energy measuring equipment uniformity comparison system of the invention, including being arranged on RS485 controls
The first safe encrypted master, the second safe encrypted master in bus, consistency detection device, benchmark
Electric energy measuring equipment, tested electric energy measuring equipment and work station, the work station communication attachment security encryption control
Device processed, safe encrypted master, consistency detection device, benchmark electric energy measuring equipment, tested electric energy metrical
Equipment, the equipment benchmark electric energy measuring equipment are voltage parallel, current-series in tested electric energy measuring equipment.
Optimal technical scheme of the present invention solves the source code of smart metering device software conformance comparison and encrypts safely
Problem, by adopt be mutually authenticated in many ways, dual-encryption channel, protect source code compare in storage, be transmitted across
Journey, realizes anti-copy, anti-eavesdrop, anti-tamper advanced security management.
Description of the drawings
Fig. 1 is the functional block diagram of electric energy measuring equipment uniformity comparison system of the present invention.
Specific embodiment
With reference to Fig. 1, in a preferred embodiment of the invention, a kind of electric energy measuring equipment of the invention is conforming
Encryption detection method, including step：
1) start work station 6, for example, password is detected by user input, handed over the first safe encrypted master 1
Mutually communication carries out authenticating user identification, checking detection password legitimacy；
2) work station 6 is to 3 transmitting control commands of consistency detection device, enabling signal source, according to concordance
Detection logic control voltage, electric current, power factor, for example, control 3 pairs, consistency detection device and mount simultaneously
Electric energy measuring equipment multiple to be checked and reference device in (such as RS485) bus carries out power on operation, so
Booster tension/electric current is to rated value afterwards；
3) work station 6 reads described consistency detection logic, connects the first safe encrypted master 1, second
Safe encrypted master 2, carries out bidirectional identity authentication by first via encrypted tunnel；
4) work station 6 connects the first described safe encrypted master 1, tested electric energy measuring equipment 5, obtains
Software version number encrypts authentication data, carries out bidirectional identity authentication by the second road encrypted tunnel, judges whether
Certification success, it is successful then continue executing with next step, it is unsuccessful then to terminate performing this step；
5) work station 6 connects the second described safe encrypted master 2, benchmark electric energy measuring equipment 4, obtains
Software version number encrypts authentication data, carries out bidirectional identity authentication by the second road encrypted tunnel, judges whether
Certification success, it is successful then continue executing with next step, it is unsuccessful then to terminate performing this step；
6) work station 6 reads 4 object code of benchmark electric energy measuring equipment, the 128 byte data ciphertext, sends out
Send ciphertext to the first safe encrypted master 1, ciphertext data are obtained by way of above-mentioned this secondary encryption；
7) work station 6 verifies whether the ciphertext data check of each frame is correct, is correctly then stored in benchmark electric energy meter
The object code ciphertext storehouse of amount equipment 4；
8) work station 6 reads 5 object code of tested electric energy measuring equipment, 128 byte data ciphertext, sends close
Text obtains ciphertext data by secondary encryption to the second safe encrypted master 2；
9) work station 6 verifies whether the ciphertext data check of each frame is correct, is correctly then stored in tested electric energy meter
The object code ciphertext storehouse of amount equipment 5.
It is as another embodiment, corresponding with above-described embodiment, electric energy measuring equipment uniformity comparison system bag
Include the safe encrypted master 1 of first be arranged in RS485 controlling bus, the second safe encrypted master 2,
Cause property detection means 3, benchmark electric energy measuring equipment 4, tested electric energy measuring equipment 5 and work station 6, the work
Make station 6 and communicate attachment security encrypted master 1, safe encrypted master 2, consistency detection device 3, benchmark
Electric energy measuring equipment 4, tested electric energy measuring equipment 5, the equipment benchmark electric energy measuring equipment 2 be voltage parallel,
Current-series are in tested electric energy measuring equipment 3.
Wherein, above-mentioned consistency detection logic is referred to send to consistency detection device 3 in response to work station 6 and is controlled
After order, the built-in control logic of device 3 brings into operation, and control logic causes uniformity comparison system of the present invention
Realize above-mentioned steps 3) to operation 9).
Improved, the work station 6 is to control consistency detection device 3, benchmark by RS485 bus modes
Electric energy measuring equipment 4, tested electric energy measuring equipment 5, and the first described peace of connection is communicated by USB modes
Full encrypted master 1, the second safe encrypted master 2.
It is another improved, repeat step 6) to 7), until having read 4 all targets of benchmark electric energy measuring equipment
Code, and it is stored in 4 object code ciphertext storehouse of benchmark electric energy measuring equipment.
Improved, methods described embodiment further includes step：Repeat the above steps 8) to 9), until reading
All object codes of tested electric energy measuring equipment 5 are taken, and is stored in 5 target generation of tested electric energy measuring equipment
Code ciphertext storehouse, 4 object code ciphertext storehouse of benchmark electric energy measuring equipment and 5 target generation of tested electric energy measuring equipment
Detected, determined whether unanimously that judgement is unanimously rear to return success flag in code ciphertext storehouse.
Claims (5)
1. a kind of conforming encryption detection method of electric energy measuring equipment, it is characterised in that including step：
1) start work station (6), input detection password carries out authentication, checking detection legitimacy with the first safe encrypted master (1)；
2) work station (6) is to consistency detection device (3) transmitting control commands, enabling signal source, according to consistency detection device (3) power supply electrifying described in consistency detection logic control, voltage, electric current, power factor are adjusted to desired value；
3) work station (6) reads described consistency detection logic, and the first safe encrypted master (1) of connection, the second safe encrypted master (2) carry out bidirectional identity authentication by first via encrypted tunnel；
4) the first described safe encrypted master (1) of work station (6) connection, tested electric energy measuring equipment (5), obtain software version number encryption authentication data, bidirectional identity authentication is carried out by the second road encrypted tunnel, judge whether certification success, it is successful then continue executing with next step, it is unsuccessful then to terminate performing this step；
5) the second described safe encrypted master (2) of work station (6) connection, benchmark electric energy measuring equipment (4), obtain software version number encryption authentication data, bidirectional identity authentication is carried out by the second road encrypted tunnel, judge whether certification success, it is successful then continue executing with next step, it is unsuccessful then to terminate performing this step；
6) work station (6) reads the 128 byte data ciphertext of benchmark electric energy measuring equipment (4) object code, sends ciphertext to the first safe encrypted master (1), obtains ciphertext data by secondary encryption；
7) work station (6) verifies whether the ciphertext data check of each frame is correct, is correctly then stored in the object code ciphertext storehouse of benchmark electric energy measuring equipment (4)；
8) work station (6) reads tested 128 byte data ciphertext of electric energy measuring equipment (5) object code, sends ciphertext to the second safe encrypted master (2), obtains ciphertext data by secondary encryption；
9) work station (6) verifies whether the ciphertext data check of each frame is correct, is correctly then stored in the object code ciphertext storehouse of tested electric energy measuring equipment (5).
2. the conforming encryption detection method of electric energy measuring equipment according to claim 1, it is characterized in that, repeat step is 6) to 7), until having read all object codes of benchmark electric energy measuring equipment (4), and it is stored in benchmark electric energy measuring equipment (4) object code ciphertext storehouse.
3. the conforming encryption detection method of electric energy measuring equipment according to claim 2, it is characterised in that further include：Repeat the above steps are 8) to 9), all object codes until having read tested electric energy measuring equipment (5), and it is stored in tested electric energy measuring equipment (5) object code ciphertext storehouse, detected with tested electric energy measuring equipment (5) object code ciphertext storehouse in benchmark electric energy measuring equipment (4) object code ciphertext storehouse, determine whether consistent, return success flag after judging unanimously.
4. a kind of electric energy measuring equipment uniformity comparison system, it is characterized in that, including the first safe encrypted master (1) being arranged in RS485 controlling bus, second safe encrypted master (2), consistency detection device (3), benchmark electric energy measuring equipment (4), tested electric energy measuring equipment (5) and work station (6), work station (6) the communication attachment security encrypted master 1, safe encrypted master 2, consistency detection device (3), benchmark electric energy measuring equipment (4), tested electric energy measuring equipment (5), the equipment benchmark electric energy measuring equipment 2 is voltage parallel, current-series are in tested electric energy measuring equipment 3.
5. electric energy measuring equipment uniformity comparison system according to claim 4, it is characterized in that, the work station (6) is to control consistency detection device (3), benchmark electric energy measuring equipment (4), tested electric energy measuring equipment (5) by RS485 bus modes, and communicates the first described safe encrypted master (1) of connection, the second safe encrypted master (2) by USB modes.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510594190.9A CN106546942B (en) | 2015-09-17 | 2015-09-17 | Encryption detection method for consistency of electric energy metering equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510594190.9A CN106546942B (en) | 2015-09-17 | 2015-09-17 | Encryption detection method for consistency of electric energy metering equipment |
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| CN106546942A true CN106546942A (en) | 2017-03-29 |
| CN106546942B CN106546942B (en) | 2023-03-21 |
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| CN103744050A (en) * | 2014-01-23 | 2014-04-23 | 国家电网公司 | Field detection device of intelligent electric energy meter |
| CN104216830A (en) * | 2014-09-01 | 2014-12-17 | 广州供电局有限公司 | Method and system for detecting consistency of equipment software |
| CN104821901A (en) * | 2015-04-15 | 2015-08-05 | 广东电网有限责任公司电力科学研究院 | Test device for electric energy metering communication protocol of intelligent transformer station |
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2015
- 2015-09-17 CN CN201510594190.9A patent/CN106546942B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100722668B1 (en) * | 2006-01-03 | 2007-05-28 | 에스케이 텔레콤주식회사 | Measurment machine with ciphering technology, automatic measurment system and method thereof |
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| CN102915409A (en) * | 2012-09-11 | 2013-02-06 | 中国电力科学研究院 | Software filing and comparing instrument applied to electric energy meter and implementing method of software filing and comparing instrument |
| CN103001771A (en) * | 2012-11-14 | 2013-03-27 | 广东电网公司电力科学研究院 | Data transmission security encryption method for metering automation system |
| CN103679062A (en) * | 2013-12-23 | 2014-03-26 | 上海贝岭股份有限公司 | Intelligent electric meter main control chip and security encryption method |
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| CN106546942B (en) | 2023-03-21 |
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