CN109982318A - A kind of electric power wireless private network data encryption and transmission method - Google Patents
A kind of electric power wireless private network data encryption and transmission method Download PDFInfo
- Publication number
- CN109982318A CN109982318A CN201910264029.3A CN201910264029A CN109982318A CN 109982318 A CN109982318 A CN 109982318A CN 201910264029 A CN201910264029 A CN 201910264029A CN 109982318 A CN109982318 A CN 109982318A
- Authority
- CN
- China
- Prior art keywords
- data
- private
- encryption
- continuous data
- concentrator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
- H04L9/0819—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s)
- H04L9/0825—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) using asymmetric-key encryption or public key infrastructure [PKI], e.g. key signature or public key certificates
-
- 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
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/02—Protecting privacy or anonymity, e.g. protecting personally identifiable information [PII]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/04—Key management, e.g. using generic bootstrapping architecture [GBA]
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Algebra (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Mathematical Physics (AREA)
- Pure & Applied Mathematics (AREA)
- Physics & Mathematics (AREA)
- Computing Systems (AREA)
- Mobile Radio Communication Systems (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention discloses a kind of electric power wireless private network data encryption and transmission methods comprising: S1: original continuous data is sent data concentrator by all intelligent electric meters of current area；S2: data concentrator is encrypted to obtain private data using the first public key to the original continuous data of predetermined quantity；S3: the original continuous data of private data and remaining unencryption is sent processing terminal by data concentrator；S4: processing terminal uses the first private key matched with first public key that private data is decrypted to obtain original continuous data.The present invention can reduce decryption complexity, while guarantee the safety of data.
Description
Technical field
The present invention relates to wireless communication technology fields, more particularly to a kind of electric power wireless private network Data Encryption Transmission side
Method.
Background technique
Smart grid improves energy efficiency for country, to renewable energy transition, reduces greenhouse gas emission and builds
It is most important to stand the sustainable economic effort to ensure the present age and offspring's prosperity.Electric system is one
System, in order to keep the safety and stability of system, communication and information technology are used widely in the power system.Communication and
Information technology is combined with traditional energy delivery system, and higher quality and more can be provided from the infrastructure of aging
Reliable electric power safeguard, while keeping low interest rate.
The typical case of smart grid first is that the advanced measurement basis facility of electric power, wherein intelligent electric meter is periodically by stoichiometric number
According to being sent to power operation quotient.Using this information, power operation quotient can predict, monitor and control the electricity consumption of user, and mention
The total power consumption of peak period is reduced for dynamic electricity price.Continuous data is extremely important for country and individual, because it is anti-
The fluctuation of load of power grid has been reflected, and has also related to the interests of each family.If continuous data is trapped in transmission process
Or distort, then the safety of power grid will be by great threat, therefore, from a security point of view, and continuous data is to need height
Encryption.
Due to the 230MHz frequency range for smart grid, the coverage area of a cell is much larger than common bee in smart grid
A cell in nest network.In general, deploying tens of thousands of a intelligent electric meters in one cell, each cell needs about 10,
000 channel, is specifically dependent upon cell size and geographic area.Therefore, if all continuous datas of intelligent electric meter are all added
Close, then the decryption complexity of power operation quotient will be very high.For example, for elliptic curve cryptography, it is assumed that in a cell
In have 10,000 intelligent electric meter, the size of the continuous data of each intelligent electric meter is 160 bits, for a cell, is used for
The computation complexity of the power operation quotient of decryption is 10,000*1603=4.096*1010.Therefore, power operation quotient will spend greatly
It measures the time and calculates to decrypt all encryption message.
Summary of the invention
The invention mainly solves the technical problem of providing a kind of electric power wireless private network data encryption and transmission methods, can drop
Low decryption complexity, while guaranteeing the safety of data.
In order to solve the above technical problems, one technical scheme adopted by the invention is that: a kind of electric power wireless private network number is provided
According to encrypted transmission method, comprising: S1: original continuous data is sent data concentrator by all intelligent electric meters of current area；
S2: the data concentrator is encrypted to obtain private data using the first public key to the original continuous data of predetermined quantity；S3:
The original continuous data of private data and remaining unencryption is sent processing terminal by the data concentrator；S4: the processing
Terminal uses the first private key matched with first public key that the private data is decrypted to obtain original continuous data.
Preferably, the step S2 specifically: the data concentrator is using pre-arranged code algorithm to all original meterings
Data are encoded to obtain coding continuous data, and encrypt to the coding continuous data of predetermined quantity using the first public key
To private data；The step S3 specifically: the data concentrator is by private data, the coding continuous data of remaining unencryption
And the code coefficient of pre-arranged code algorithm is sent to processing terminal；The step S4 specifically: the processing terminal use with
First private key of the first public key pairing is decrypted the private data to obtain coding continuous data, and utilizes the volume
Code coefficient is decoded to obtain original continuous data to all coding continuous datas.
Preferably, the step S1 specifically: the intelligent electric meter of current area is using the second public key to original continuous data
It is encrypted to obtain encryption continuous data, and sends data concentrator for the encryption continuous data；The step S2 it
Before, the electric power wireless private network data encryption and transmission method further include: the data concentrator is used matches with second public key
Pair the second private key the encryption continuous data of all intelligent electric meters in current area is decrypted to obtain original continuous data.
Preferably, in the step S2, the pre-arranged code algorithm is stochastic linear coding, and the code coefficient is random
Code coefficient.
Preferably, the step S3 specifically: the data concentrator measures the coding of private data, remaining unencryption
The code coefficient of data and pre-arranged code algorithm is divided into several data groupings, and by several described data groupings by not
With channel or by different paths or be in different times sent to processing terminal.
It is in contrast to the prior art, the beneficial effects of the present invention are: data concentrator is not to all intelligence of same cell
The original continuous data of energy ammeter is encrypted, and is only encrypted to the original continuous data in part, remaining original continuous data is then
Not encrypted transmission, the processing terminal of power operation quotient is without taking a significant amount of time and calculating to complete to decrypt, so as to drop
Low decryption complexity, while guaranteeing the safety of data.
Detailed description of the invention
Fig. 1 is the flow diagram of the electric power wireless private network data encryption and transmission method of the embodiment of the present invention.
Fig. 2 is the flow diagram of the electric power wireless private network data encryption and transmission method of another embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that the described embodiments are merely a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Refering to fig. 1, the electric power wireless private network data encryption and transmission method of the embodiment of the present invention includes:
S1: original continuous data is sent data concentrator by all intelligent electric meters of current area.
Wherein, it can be wired connection between intelligent electric meter and data concentrator, be also possible to be wirelessly connected.
S2: data concentrator is encrypted to obtain secret number using the first public key to the original continuous data of predetermined quantity
According to.
Wherein, the first public key is stored on data concentrator, and by power operation, quotient is provided.Predetermined quantity can be according to reality
Border needs to set, it is generally the case that predetermined quantity should be much smaller than the sum of original continuous data, to reduce decryption complexity.
S3: the original continuous data of private data and remaining unencryption is sent processing terminal by data concentrator.
S4: processing terminal uses the first private key matched with the first public key that private data is decrypted to obtain original metering
Data.
Wherein, due to there was only the private data of few quantity, processing terminal can be decrypted to obtain original metering very fast
Data, thus decryption complexity is reduced, and private data have passed through encryption, it is difficult to it is cracked by attacker, therefore also guarantees
Guarantee the safety of data.
Specifically, if decipherment algorithm is elliptic curve cryptography, then in order to decrypt n-bit data, using oval bent
Computation complexity O (the n of line cryptographic algorithm3), if data be it is N number of, computation complexity is O (N2.3737), if all N number of
Data are all encrypted, and referred to as full encryption, then computation complexity is N*O (n3).And in the present embodiment, if the data of encryption are M
A, then computation complexity is M*O (n3)+O(N2.3737), due to M < < N, then (N-M) * O (n3)>O(N2.3737), so the present embodiment
With lower decoding complex degree.
Referring to fig. 2, be another embodiment of the present invention electric power wireless private network data encryption and transmission method flow diagram.
On the basis of previous embodiment, the present embodiment can be further improved safety, electric power wireless private network Data Encryption Transmission side
Method includes:
S1: original continuous data is sent data concentrator by all intelligent electric meters of current area.
Wherein, it can be wired connection between intelligent electric meter and data concentrator, be also possible to be wirelessly connected.
S2: data concentrator encodes all original continuous datas using pre-arranged code algorithm to obtain coding stoichiometric number
According to, and the coding continuous data of predetermined quantity is encrypted to obtain private data using the first public key.
Wherein, the first public key is stored on data concentrator, and by power operation, quotient is provided.Predetermined quantity can be according to reality
Border needs to set, it is generally the case that predetermined quantity should be much smaller than the sum of original continuous data, to reduce decryption complexity.?
In the present embodiment, pre-arranged code algorithm can encode for stochastic linear, and code coefficient is random coded coefficient.Certainly, at other
In some embodiments, pre-arranged code algorithm can be other encryption algorithms.
S3: data concentrator is by private data, the coding continuous data of remaining unencryption and the volume of pre-arranged code algorithm
Code coefficient is sent to processing terminal.
S4: processing terminal uses the first private key matched with the first public key that private data is decrypted to obtain coding metering
Data, and all coding continuous datas are decoded to obtain original continuous data using code coefficient.
Wherein, due to there was only the private data of few quantity, processing terminal can be decrypted to obtain original metering very fast
Data, thus decryption complexity is reduced, and private data have passed through encryption, it is difficult to it is cracked by attacker, therefore also guarantees
Guarantee the safety of data.
In order to reinforce data transmission security, in the present embodiment, step S1 between data concentrator and intelligent electric meter
Specifically: the intelligent electric meter of current area encrypts original continuous data using the second public key to obtain encryption continuous data,
And data concentrator is sent by encryption continuous data.
Before step S2, electric power wireless private network data encryption and transmission method further include:
Data concentrator uses the second private key matched with the second public key adding to all intelligent electric meters in current area
Close continuous data is decrypted to obtain original continuous data.
Wherein, the second private key is stored on data concentrator, and by power operation, quotient is provided.
Further, step S3 specifically: data concentrator by the coding continuous data of private data, remaining unencryption with
And the code coefficient of pre-arranged code algorithm is divided into several data groupings, and by several data groupings by different channel or
It is sent to processing terminal by different paths or in different times.
In this way, attacker is difficult to collect all data that data concentrator issues.If attacker does not block
All data are cut, then can not obtain original continuous data.
By the above-mentioned means, the relay transmission method of the electric power wireless private network data encryption and transmission method of the embodiment of the present invention
In, intelligent electric meter needs to encrypt original continuous data, after data concentrator receives encrypted original continuous data
It needs to decrypt, needs to encode after decryption, while secondary encryption is carried out to the data of code segment, processing terminal needs to decrypt secondary
After the data of encryption, it could decode and obtain original continuous data, due to there was only the secondary encryption of partial data, the place of power operation quotient
Reason terminal so as to reduce decryption complexity, while guaranteeing data without taking a significant amount of time and calculating to complete to decrypt
Safety.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (5)
1. a kind of electric power wireless private network data encryption and transmission method characterized by comprising
S1: original continuous data is sent data concentrator by all intelligent electric meters of current area；
S2: the data concentrator is encrypted to obtain secret number using the first public key to the original continuous data of predetermined quantity
According to；
S3: the original continuous data of private data and remaining unencryption is sent processing terminal by the data concentrator；
S4: the processing terminal uses the first private key matched with first public key to be decrypted to obtain to the private data
Original continuous data.
2. electric power wireless private network data encryption and transmission method according to claim 1, which is characterized in that the step S2 tool
Body are as follows:
The data concentrator encodes all original continuous datas using pre-arranged code algorithm to obtain coding continuous data,
And the coding continuous data of predetermined quantity is encrypted to obtain private data using the first public key；
The step S3 specifically:
The data concentrator is by private data, the coding continuous data of remaining unencryption and the coding system of pre-arranged code algorithm
Number is sent to processing terminal；
The step S4 specifically:
The processing terminal uses the first private key matched with first public key that the private data is decrypted and is compiled
Code continuous data, and all coding continuous datas are decoded to obtain original continuous data using the code coefficient.
3. electric power wireless private network data encryption and transmission method according to claim 2, which is characterized in that the step S1 tool
Body are as follows:
The intelligent electric meter of current area encrypts original continuous data using the second public key to obtain encryption continuous data, and will
The encryption continuous data is sent to data concentrator；
Before the step S2, the electric power wireless private network data encryption and transmission method further include:
The data concentrator uses the second private key matched with second public key to all intelligent electric meters in current area
Encryption continuous data be decrypted to obtain original continuous data.
4. electric power wireless private network data encryption and transmission method according to claim 2 or 3, which is characterized in that the step
In S2, the pre-arranged code algorithm is stochastic linear coding, and the code coefficient is random coded coefficient.
5. electric power wireless private network data encryption and transmission method according to claim 4, which is characterized in that the step S3 tool
Body are as follows:
The data concentrator is by private data, the coding continuous data of remaining unencryption and the coding system of pre-arranged code algorithm
Number is divided into several data groupings, and by several described data groupings by different channel by different path or
The different times are sent to processing terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910264029.3A CN109982318A (en) | 2019-04-03 | 2019-04-03 | A kind of electric power wireless private network data encryption and transmission method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910264029.3A CN109982318A (en) | 2019-04-03 | 2019-04-03 | A kind of electric power wireless private network data encryption and transmission method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109982318A true CN109982318A (en) | 2019-07-05 |
Family
ID=67082559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910264029.3A Pending CN109982318A (en) | 2019-04-03 | 2019-04-03 | A kind of electric power wireless private network data encryption and transmission method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109982318A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111683099A (en) * | 2020-06-11 | 2020-09-18 | 杭州海兴电力科技股份有限公司 | Data communication method, device and equipment |
| CN112333213A (en) * | 2021-01-06 | 2021-02-05 | 广州技象科技有限公司 | Privacy protection method and device for business data of power Internet of things |
| CN112379870A (en) * | 2020-11-16 | 2021-02-19 | 广东电网有限责任公司电力调度控制中心 | Intelligent terminal software architecture and control method thereof |
| CN112560098A (en) * | 2020-12-22 | 2021-03-26 | 广州技象科技有限公司 | Business data management method and device of power Internet of things |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104219056A (en) * | 2014-09-16 | 2014-12-17 | 西安电子科技大学 | Privacy protection type real-time electric charge collecting method for intelligent power grid |
| US9166792B2 (en) * | 2013-04-16 | 2015-10-20 | Kabushiki Kaisha Toshiba | Data management device, power usage calculation system, data management method, and computer program product |
| US20150372808A1 (en) * | 2014-06-18 | 2015-12-24 | Palo Alto Research Center Incorporated | Private and distributed computation of probability density functions |
| CN108234148A (en) * | 2016-12-14 | 2018-06-29 | 中科院-南京宽带无线移动通信研发中心 | Efficiently simultaneous safety type electricity meter data gathering system |
| CN108683493A (en) * | 2018-05-04 | 2018-10-19 | 西安电子科技大学 | The data aggregation method of secret protection is provided in a kind of intelligent grid |
-
2019
- 2019-04-03 CN CN201910264029.3A patent/CN109982318A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9166792B2 (en) * | 2013-04-16 | 2015-10-20 | Kabushiki Kaisha Toshiba | Data management device, power usage calculation system, data management method, and computer program product |
| US20150372808A1 (en) * | 2014-06-18 | 2015-12-24 | Palo Alto Research Center Incorporated | Private and distributed computation of probability density functions |
| CN104219056A (en) * | 2014-09-16 | 2014-12-17 | 西安电子科技大学 | Privacy protection type real-time electric charge collecting method for intelligent power grid |
| CN108234148A (en) * | 2016-12-14 | 2018-06-29 | 中科院-南京宽带无线移动通信研发中心 | Efficiently simultaneous safety type electricity meter data gathering system |
| CN108683493A (en) * | 2018-05-04 | 2018-10-19 | 西安电子科技大学 | The data aggregation method of secret protection is provided in a kind of intelligent grid |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111683099A (en) * | 2020-06-11 | 2020-09-18 | 杭州海兴电力科技股份有限公司 | Data communication method, device and equipment |
| CN111683099B (en) * | 2020-06-11 | 2023-06-09 | 杭州海兴电力科技股份有限公司 | Data communication method, device and equipment |
| CN112379870A (en) * | 2020-11-16 | 2021-02-19 | 广东电网有限责任公司电力调度控制中心 | Intelligent terminal software architecture and control method thereof |
| CN112560098A (en) * | 2020-12-22 | 2021-03-26 | 广州技象科技有限公司 | Business data management method and device of power Internet of things |
| CN112560098B (en) * | 2020-12-22 | 2024-05-14 | 广州技象科技有限公司 | Service data management method and device of electric power Internet of things |
| CN112333213A (en) * | 2021-01-06 | 2021-02-05 | 广州技象科技有限公司 | Privacy protection method and device for business data of power Internet of things |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109982318A (en) | A kind of electric power wireless private network data encryption and transmission method | |
| EP2540027B1 (en) | Smart grid and method for operating a smart grid | |
| Liu et al. | A key management scheme for secure communications of advanced metering infrastructure in smart grid | |
| CN103036884B (en) | A kind of data guard method based on homomorphic cryptography and system | |
| US11733061B2 (en) | System and method to manage utility meter communications | |
| CN104767763B (en) | The zone user electricity paradigmatic system and method for secret protection in a kind of intelligent grid | |
| CN104318671A (en) | Prepayment method of medium-free high-security electricity meters | |
| CN105071927B (en) | Method is locally stored in a kind of mobile device data | |
| CN101964793A (en) | Method and system for transmitting data between terminal and server and sign-in and payment method | |
| CN100466514C (en) | Weighted secret key sharing and reconstructing method | |
| Del Pobil et al. | A new representation for collision avoidance and detection | |
| CN111082920A (en) | Non-interactive verifiable multi-type encrypted data aggregation method facing smart power grid | |
| CN102082662B (en) | Quantum safety communication method based on synchronous random number information base information retrieval | |
| CN104244235A (en) | Method and system for encryption and decryption of sensitive information of telecommunication call bill | |
| CN108834094A (en) | AMI wireless sensor network security data aggregation method, electronic equipment, medium | |
| Agarkar et al. | LRSPPP: lightweight R-LWE-based secure and privacy-preserving scheme for prosumer side network in smart grid | |
| CN110034928B (en) | Electric energy metering information transmission device and method | |
| CN103108245A (en) | Smart television payment secret key system and payment method based on smart television | |
| KR101055843B1 (en) | Method for encryption and decryption of transaction in power network and system thereof | |
| CN103118351B (en) | The generation method and apparatus of repaid card data | |
| CN102903226B (en) | Data transmission method for communication of intelligent electric meters | |
| CN106656262A (en) | Power line carrier communication system | |
| CN109831292A (en) | A kind of method for secret protection of intelligent electric meter information | |
| CN106385312A (en) | Digital chaotic encryption method based on chaotic number spectrum | |
| CN111030817A (en) | Method for safely transmitting file between transformer area terminal and electric energy meter and transformer area terminal |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190705 |