CN110300108A - A kind of power distribution automation message encryption transmission method, system, terminal and storage medium - Google Patents
A kind of power distribution automation message encryption transmission method, system, terminal and storage medium Download PDFInfo
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- CN110300108A CN110300108A CN201910562413.1A CN201910562413A CN110300108A CN 110300108 A CN110300108 A CN 110300108A CN 201910562413 A CN201910562413 A CN 201910562413A CN 110300108 A CN110300108 A CN 110300108A
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- 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
- H04L63/045—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 wherein the sending and receiving network entities apply hybrid encryption, i.e. combination of symmetric and asymmetric encryption
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- 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
- H04L63/0876—Network architectures or network communication protocols for network security for authentication of entities based on the identity of the terminal or configuration, e.g. MAC address, hardware or software configuration or device fingerprint
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- Computer Security & Cryptography (AREA)
- Computer Hardware Design (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
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- Storage Device Security (AREA)
Abstract
The present invention provides a kind of power distribution automation message encryption transmission method, system, terminal and storage medium, comprising: the authentication to distribution main website to distribution terminal is completed by verifying distribution terminal EIC equipment identification code；Message is carried out symmetric cryptography and carries out asymmetric encryption to the key of symmetric cryptography to obtain encryption message and encryption key；By after the equipment mark code of the encryption message and encryption key flag transmitting terminal, it is sent to target side.Symmetric cryptography in conjunction with asymmetric encryption, not only ensure that the transmission security of message but also encryption efficiency with higher by the present invention.
Description
Technical field
The invention belongs to Distribution Automation Technology fields, and in particular to a kind of power distribution automation message encryption transmission method,
System, terminal and storage medium.
Background technique
Distribution Automation Technology is the important technology for serving the construction of town and country distribution network transform, and power distribution automation includes feeder line
Automation and Distribution Management System, the communication technology are the key that power distribution automations.Currently, China's power distribution automation carried out it is more
Pilot has been gained universal acceptance by the three-decker that distribution main website, substation and line feed terminals are constituted, and fiber optic communication is as backbone network
Communication mode also known together.The realization of feeder automation is also fully able to establish on the basis of fiber optic communication, this makes
Line feed terminals can rapidly communicate with one another, common to realize the feeder automation with higher performance.Power distribution automation system
System (DAS) is that one kind can make distribution enterprise monitor, coordinate in real time fashion in the distance and the Department of Automation of operation controller switching equipment
System；Its content includes electric distribution network data collection and monitoring (SCADA system), distribution GIS-Geographic Information System (GIS) and demand side pipe
Manage the several parts (DSM).
Electrical power distribution automatization system includes distribution main website and distribution terminal, is reported between distribution main website and distribution terminal
Text transmission.In order to guarantee the safety of message transmissions, need that message is encrypted.There are two types of at main encryption at present
Reason method, i.e. symmetric encryption method and asymmet-ric encryption method.The very fast still safety of symmetric encryption method encryption/decryption speed is not
And asymmet-ric encryption method.
Therefore, it is badly in need of a kind of safety and all good message encryption transmission method of encryption/decryption speed.
Summary of the invention
For the above-mentioned deficiency of the prior art, the present invention provide a kind of power distribution automation message encryption transmission method, system,
Terminal and storage medium, to solve the above technical problems.
In a first aspect, the present invention provides a kind of power distribution automation message encryption transmission method, comprising:
The authentication to distribution main website to distribution terminal is completed by verifying distribution terminal EIC equipment identification code；
Message is carried out symmetric cryptography and carries out asymmetric encryption to the key of symmetric cryptography to obtain encryption message and encryption
Key；
By after the equipment mark code of the encryption message and encryption key flag transmitting terminal, it is sent to target side.
Further, described to be completed to distribution main website by verifying distribution terminal EIC equipment identification code to the identity of distribution terminal
Certification, comprising:
The authentication information of distribution terminal is received, the authentication information includes the distribution terminal equipment identification through asymmetric encryption
Code；
The authentication information is decrypted and obtains distribution terminal EIC equipment identification code；
Judge locally whether be stored with the distribution terminal EIC equipment identification code:
It is that then authentication passes through；
It is no, then the distribution terminal EIC equipment identification code is audited and stores the distribution terminal identification code by audit.
Further, described that message is carried out symmetric cryptography and carries out asymmetric encryption to the key of symmetric cryptography to be added
Secret report text and encryption key, comprising:
Update symmetric cryptographic key；
Message is encrypted using updated symmetric cryptographic key, obtains encryption message；
Asymmetric encryption is carried out to the symmetric cryptographic key using public key corresponding with target terminal, obtains encryption report
Text.
Further, the method also includes:
Obtain the distribution terminal EIC equipment identification code for currently passing through authentication；
Generate the public key and private key with the one-to-one asymmetric encryption of distribution terminal EIC equipment identification code；
The public key is sent to corresponding distribution terminal according to corresponding EIC equipment identification code.
Second aspect, the present invention provide a kind of power distribution automation message encryption Transmission system, comprising:
Identification authenticating unit is configured to verifying distribution terminal EIC equipment identification code and completes to distribution main website to distribution end
The authentication at end；
Message encryption unit is configured to carry out message symmetric cryptography and carries out asymmetric add to the key of symmetric cryptography
It is close to obtain encryption message and encryption key；
Message transmissions unit is configured to the equipment mark code of the encryption message and encryption key flag transmitting terminal
Afterwards, it is sent to target side.
Further, the identification authenticating unit includes:
Receiving module is authenticated, is configured to receive the authentication information of distribution terminal, the authentication information includes through asymmetric
The distribution terminal EIC equipment identification code of encryption；
Deciphering module is authenticated, is configured to the authentication information be decrypted acquisition distribution terminal EIC equipment identification code；
Authentication determination module is configured to judge locally whether be stored with the distribution terminal EIC equipment identification code:
Certification is configured to authentication and is passed through by module；
Auditing module is authenticated, is configured to audit the distribution terminal EIC equipment identification code and store through audit
Distribution terminal identification code.
Further, the message encryption unit includes:
Key updating calling module is configured to update symmetric cryptographic key；
Message encryption module is configured to encrypt message using updated symmetric cryptographic key, be encrypted
Message；
Cipher key encryption block is configured to carry out the symmetric cryptographic key using public key corresponding with target terminal non-
Symmetric cryptography obtains encryption message.
Further, the system also includes:
Identification obtains module, is configured to obtain the distribution terminal EIC equipment identification code for currently passing through authentication；
Preparation module is encrypted, is configured to generate and the one-to-one asymmetric encryption of distribution terminal EIC equipment identification code
Public key and private key；
Public key distribution module is configured to the public key being sent to corresponding distribution terminal according to corresponding EIC equipment identification code.
The third aspect provides a kind of terminal, comprising:
Processor, memory, wherein
The memory is used to store computer program,
The processor from memory for calling and running the computer program, so that terminal executes above-mentioned terminal
Method.
Fourth aspect provides a kind of computer storage medium, instruction is stored in the computer readable storage medium,
When run on a computer, so that computer executes method described in above-mentioned various aspects.
The beneficial effects of the present invention are,
Power distribution automation message encryption transmission method, system, terminal and storage medium provided by the invention, by knowing to new
Other distribution terminal carries out authentication, carries out message transmissions after completing authentication, authentication is the basis of transmission.It carries out
When message transmissions, symmetric cryptography carried out to message first, the message and symmetric cryptographic key encrypted, to obtain symmetrical plus
Key carries out asymmetric encryption, further obtains encryption key, the equipment by message and encryption key flag transmitting terminal is encrypted
After identification code, being sent to target side can be realized the encrypted transmission of message.The safety of symmetric cryptography is low to be primarily due to pair
Claiming key is the key that not only can have been encrypted but also can decrypt, and symmetric key file very little, and carrying out asymmetric encryption to it will not
It takes considerable time.Symmetric cryptography in conjunction with asymmetric encryption, not only ensure that the transmission security of message but also has by the present invention
Higher encryption efficiency.
In addition, design principle of the present invention is reliable, structure is simple, has very extensive application prospect.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, for those of ordinary skill in the art
Speech, without creative efforts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the schematic flow chart of the method for one embodiment of the invention.
Fig. 2 is the schematic block diagram of the system of one embodiment of the invention.
Fig. 3 is a kind of structural schematic diagram of terminal provided in an embodiment of the present invention.
Specific embodiment
Technical solution in order to enable those skilled in the art to better understand the present invention, below in conjunction with of the invention real
The attached drawing in example is applied, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without making creative work, all should belong to protection of the present invention
Range.
The Key Term occurred in the present invention is explained below.
Fig. 1 is the schematic flow chart of the method for one embodiment of the invention.Wherein, Fig. 1 executing subject can be one kind
Power distribution automation message encryption Transmission system.
As shown in Figure 1, this method 100 includes:
Step 110, the authentication to distribution main website to distribution terminal is completed by verifying distribution terminal EIC equipment identification code；
Step 120, message is carried out symmetric cryptography and carries out asymmetric encryption to the key of symmetric cryptography to obtain encryption report
Text and encryption key；
Step 130, by after the equipment mark code of the encryption message and encryption key flag transmitting terminal, it is sent to target
End.
Optionally, described to be completed by verifying distribution terminal EIC equipment identification code to distribution as one embodiment of the invention
Authentication of the main website to distribution terminal, comprising:
The authentication information of distribution terminal is received, the authentication information includes the distribution terminal equipment identification through asymmetric encryption
Code；
The authentication information is decrypted and obtains distribution terminal EIC equipment identification code；
Judge locally whether be stored with the distribution terminal EIC equipment identification code:
It is that then authentication passes through；
It is no, then the distribution terminal EIC equipment identification code is audited and stores the distribution terminal identification code by audit.
Optionally, described symmetric cryptography to be carried out to message and to the key of symmetric cryptography as one embodiment of the invention
It carries out asymmetric encryption and obtains encryption message and encryption key, comprising:
Update symmetric cryptographic key；
Message is encrypted using updated symmetric cryptographic key, obtains encryption message；
Asymmetric encryption is carried out to the symmetric cryptographic key using public key corresponding with target terminal, obtains encryption report
Text.
Optionally, as one embodiment of the invention, the method also includes:
Obtain the distribution terminal EIC equipment identification code for currently passing through authentication；
Generate the public key and private key with the one-to-one asymmetric encryption of distribution terminal EIC equipment identification code；
The public key is sent to corresponding distribution terminal according to corresponding EIC equipment identification code.
In order to facilitate the understanding of the present invention, below with the principle of power distribution automation message encryption transmission method of the present invention,
The process that message encryption transmission is carried out in conjunction with the embodiments, does power distribution automation message encryption transmission method provided by the invention
Further description.
Specifically, the power distribution automation message encryption transmission method includes:
S1, the authentication by verifying distribution terminal EIC equipment identification code completion to distribution main website to distribution terminal.
Distribution main website obtains the distribution terminal information that can be identified and (establish communication connection), and the distribution into recognized list
Terminal sends asymmetric encryption public key, and it is non-right that distribution terminal carries out distribution terminal EIC equipment identification code using asymmetric encryption public key
Claim encryption, and send distribution main website for encrypted information, distribution main website is decrypted authentication information according to private key, obtains
The distribution terminal EIC equipment identification code of plaintext.Distribution main website searches whether exist and the distribution terminal equipment in authentication information from local
The identical distribution terminal EIC equipment identification code of identification code then determines that the distribution terminal authentication passes through if it exists；If it does not exist, then
Audited that (audit can be audited by operation maintenance personnel, determine whether matching in system to the distribution terminal in authentication information
Electric terminals), if by audit, by distribution terminal EIC equipment identification code storage to distribution main website local；If not by auditing,
Do not allow to carry out message transmissions with the distribution terminal.
The public key and private key and message of the present embodiment asymmetric encryption that distribution main website generates in authentication procedures pass
The public key and private key for the asymmetric encryption that defeated process generates are different.What distribution main website generated in authentication procedures is non-right
Claim encryption public key and private key be it is common, Xiang Suoyou distribution terminal distribution public key be all identical.And the message transmissions stage,
Distribution main website is that each distribution terminal generates a pair of dedicated public key and private key, that is, the public key for being distributed to each distribution terminal are all
Different.
S2, symmetric cryptography is carried out to message and encryption message is obtained to the key of symmetric cryptography progress asymmetric encryption and is added
Then key carries out message encryption transmission.
It is illustrated for carrying out message transmissions between distribution main website A and distribution terminal B, specific transmission process is as follows:
Distribution main website A generates a pair of asymmetric encryption public key a1 and private key a2 for distribution terminal B, and public key a1 is sent
To distribution terminal B.Distribution terminal B also generates a pair of public key b1 and private key b2, and public key b1 is sent to distribution main website A.Every time
Before transmitting message, new symmetric cryptographic key d is all generated.
If distribution main website A sends message to distribution terminal B for the first time.Symmetric cryptographic key d1 is firstly generated, first with right
Claim encryption key d1 to carry out symmetric cryptography to message, obtains encryption message.Then using public key b1 to symmetric cryptographic key d1 into
Row asymmetric encryption, obtains encryption key.Encryption message and encryption key are sent to distribution terminal B.Distribution terminal B first with
Private key b2 is decrypted encryption key to obtain symmetric cryptographic key d1, then using symmetric cryptographic key d1 to encryption message into
Row decryption, obtains plaintext message.
If second of distribution terminal B sends message to distribution main website A.Symmetric cryptographic key d2 is firstly generated, using symmetrical
Encryption key d2 carries out symmetric cryptography to message, obtains encryption message.Then symmetric cryptographic key d2 is carried out using public key a1
Asymmetric encryption obtains encryption key.Encryption message and encryption key are sent to distribution main website A, distribution main website A utilizes private key
A2 is decrypted encryption key to obtain symmetric cryptographic key d2, is decrypted, is obtained to encryption message using symmetric cryptographic key d2
Plaintext message.
When distribution main website and multiple distribution terminals carry out message transmissions, distribution main website is obtained currently through authentication
Distribution terminal EIC equipment identification code generates and the public key of the one-to-one asymmetric encryption of distribution terminal EIC equipment identification code and private
The public key is sent to corresponding distribution terminal according to corresponding EIC equipment identification code by key.Therefore whole in distribution main website and some distribution
When end carries out message transmissions, file need to mark the EIC equipment identification code of corresponding distribution terminal, and distribution main website is looked into according to EIC equipment identification code
Look for corresponding public key and private key.
If Fig. 2 shows, which includes:
Identification authenticating unit 210 is configured to verifying distribution terminal EIC equipment identification code and completes to distribution main website to matching
The authentication of electric terminals；
Message encryption unit 220, it is non-right to be configured to carry out to message progress symmetric cryptography and to the key of symmetric cryptography
Encryption is claimed to obtain encryption message and encryption key；
Message transmissions unit 230 is configured to the device identification of the encryption message and encryption key flag transmitting terminal
After code, it is sent to target side.
Optionally, as one embodiment of the invention, the identification authenticating unit includes:
Receiving module is authenticated, is configured to receive the authentication information of distribution terminal, the authentication information includes through asymmetric
The distribution terminal EIC equipment identification code of encryption；
Deciphering module is authenticated, is configured to the authentication information be decrypted acquisition distribution terminal EIC equipment identification code；
Authentication determination module is configured to judge locally whether be stored with the distribution terminal EIC equipment identification code:
Certification is configured to authentication and is passed through by module；
Auditing module is authenticated, is configured to audit the distribution terminal EIC equipment identification code and store through audit
Distribution terminal identification code.
Optionally, as one embodiment of the invention, the message encryption unit includes:
Key updating calling module is configured to update symmetric cryptographic key；
Message encryption module is configured to encrypt message using updated symmetric cryptographic key, be encrypted
Message；
Cipher key encryption block is configured to carry out the symmetric cryptographic key using public key corresponding with target terminal non-
Symmetric cryptography obtains encryption message.
Optionally, as one embodiment of the invention, the system also includes:
Identification obtains module, is configured to obtain the distribution terminal EIC equipment identification code for currently passing through authentication；
Preparation module is encrypted, is configured to generate and the one-to-one asymmetric encryption of distribution terminal EIC equipment identification code
Public key and private key；
Public key distribution module is configured to the public key being sent to corresponding distribution terminal according to corresponding EIC equipment identification code.
Fig. 3 is a kind of structural schematic diagram of terminal system 300 provided in an embodiment of the present invention, which can be with
For executing power distribution automation message encryption transmission method provided in an embodiment of the present invention.
Wherein, which may include: processor 310, memory 320 and communication unit 330.These components
It is communicated by one or more bus, it will be understood by those skilled in the art that the structure of server shown in figure is not
Limitation of the invention is constituted, it is also possible to hub-and-spoke configuration either busbar network, can also include more than illustrating
Or less component, perhaps combine certain components or different component layouts.
Wherein, which can be used for executing instruction for storage processor 310, and memory 320 can be by any class
The volatibility or non-volatile memories terminal or their combination of type are realized, such as static random access memory (SRAM), electricity
Erasable Programmable Read Only Memory EPROM (EEPROM), Erasable Programmable Read Only Memory EPROM (EPROM), programmable read only memory
(PROM), read-only memory (ROM), magnetic memory, flash memory, disk or CD.When executing instruction in memory 320
When being executed by processor 310, so that terminal 300 some or all of is able to carry out in following above method embodiment step.
Processor 310 is the control centre for storing terminal, utilizes each of various interfaces and the entire electric terminal of connection
A part by running or execute the software program and/or module that are stored in memory 320, and calls and is stored in storage
Data in device, to execute the various functions and/or processing data of electric terminal.The processor can be by integrated circuit
(Integrated Circuit, abbreviation IC) composition, such as the IC that can be encapsulated by single are formed, can also be by more of connection
The encapsulation IC of identical function or different function and form.For example, processor 310 can only include central processing unit
(Central Processing Unit, abbreviation CPU).In embodiments of the present invention, CPU can be single operation core, can also
To include multioperation core.
Communication unit 330, for establishing communication channel, so that the storage terminal be allow to be led to other terminals
Letter.It receives the user data of other terminals transmission or sends user data to other terminals.
The present invention also provides a kind of computer storage mediums, wherein the computer storage medium can be stored with program, the journey
Sequence may include step some or all of in each embodiment provided by the invention when executing.The storage medium can for magnetic disk,
CD, read-only memory (English: read-only memory, referred to as: ROM) or random access memory (English:
Random access memory, referred to as: RAM) etc..
Therefore, the present invention carries out message after completing authentication by carrying out authentication to newly identified distribution terminal
Transmission, authentication are the bases of transmission.When carrying out message transmissions, symmetric cryptography, the report encrypted are carried out to message first
Text and symmetric cryptographic key carry out asymmetric encryption to obtained symmetric cryptographic key, further obtain encryption key, will encrypt
After the equipment mark code of message and encryption key flag transmitting terminal, being sent to target side can be realized the encrypted transmission of message.It is right
The low symmetric key that is primarily due to of safety for claiming encryption is the key that not only can have been encrypted but also can decrypt, and symmetric key is literary
Part very little, carrying out asymmetric encryption to it will not take considerable time.The present invention by symmetric cryptography in conjunction with asymmetric encryption, both
It ensure that the transmission security of message and encryption efficiency with higher, the attainable technical effect of the present embodiment institute may refer to
Described above, details are not described herein again.
It is required that those skilled in the art can be understood that the technology in the embodiment of the present invention can add by software
The mode of general hardware platform realize.Based on this understanding, the technical solution in the embodiment of the present invention substantially or
Say that the part that contributes to existing technology can be embodied in the form of software products, which is stored in
Such as USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory in one storage medium
The various media that can store program code such as (RAM, Random Access Memory), magnetic or disk, including it is several
Instruction is used so that a terminal (can be personal computer, server or second terminal, the network terminal etc.) is held
Row all or part of the steps of the method according to each embodiment of the present invention.
Same and similar part may refer to each other between each embodiment in this specification.Implement especially for terminal
For example, since it is substantially similar to the method embodiment, so being described relatively simple, related place is referring in embodiment of the method
Explanation.
In several embodiments provided by the present invention, it should be understood that disclosed system, system and method, it can be with
It realizes by another way.For example, system embodiment described above is only schematical, for example, the unit
It divides, only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or components
It can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, it is shown or
The mutual coupling, direct-coupling or communication connection discussed can be through some interfaces, the indirect coupling of system or unit
It closes or communicates to connect, can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.
Although by reference to attached drawing and combining the mode of preferred embodiment to the present invention have been described in detail, the present invention
It is not limited to this.Without departing from the spirit and substance of the premise in the present invention, those of ordinary skill in the art can be to the present invention
Embodiment carry out various equivalent modifications or substitutions, and these modifications or substitutions all should in covering scope of the invention/appoint
What those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, answer
It is included within the scope of the present invention.Therefore, protection scope of the present invention is answered described is with scope of protection of the claims
It is quasi-.
Claims (10)
1. a kind of power distribution automation message encryption transmission method characterized by comprising
The authentication to distribution main website to distribution terminal is completed by verifying distribution terminal EIC equipment identification code；
Message is carried out symmetric cryptography and carries out asymmetric encryption to the key of symmetric cryptography to obtain encryption message and encryption key；
By after the equipment mark code of the encryption message and encryption key flag transmitting terminal, it is sent to target side.
2. the method according to claim 1, wherein described pass through verifying distribution terminal EIC equipment identification code completion pair
Authentication of the distribution main website to distribution terminal, comprising:
The authentication information of distribution terminal is received, the authentication information includes the distribution terminal EIC equipment identification code through asymmetric encryption；
The authentication information is decrypted and obtains distribution terminal EIC equipment identification code；
Judge locally whether be stored with the distribution terminal EIC equipment identification code:
It is that then authentication passes through；
It is no, then the distribution terminal EIC equipment identification code is audited and stores the distribution terminal identification code by audit.
3. the method according to claim 1, wherein described carry out symmetric cryptography to message and to symmetric cryptography
Key carries out asymmetric encryption and obtains encryption message and encryption key, comprising:
Update symmetric cryptographic key；
Message is encrypted using updated symmetric cryptographic key, obtains encryption message；
Asymmetric encryption is carried out to the symmetric cryptographic key using public key corresponding with target terminal, obtains encryption message.
4. the method according to claim 1, wherein the method also includes:
Obtain the distribution terminal EIC equipment identification code for currently passing through authentication；
Generate the public key and private key with the one-to-one asymmetric encryption of distribution terminal EIC equipment identification code；
The public key is sent to corresponding distribution terminal according to corresponding EIC equipment identification code.
5. a kind of power distribution automation message encryption Transmission system characterized by comprising
Identification authenticating unit is configured to verifying distribution terminal EIC equipment identification code and completes to distribution main website to distribution terminal
Authentication；
Message encryption unit is configured to carry out symmetric cryptography to message and carry out asymmetric encryption to the key of symmetric cryptography to obtain
To encryption message and encryption key；
Message transmissions unit is configured to send out after the equipment mark code of the encryption message and encryption key flag transmitting terminal
It send to target side.
6. system according to claim 5, which is characterized in that the identification authenticating unit includes:
Receiving module is authenticated, is configured to receive the authentication information of distribution terminal, the authentication information includes through asymmetric encryption
Distribution terminal EIC equipment identification code；
Deciphering module is authenticated, is configured to the authentication information be decrypted acquisition distribution terminal EIC equipment identification code；
Authentication determination module is configured to judge locally whether be stored with the distribution terminal EIC equipment identification code:
Certification is configured to authentication and is passed through by module；
Auditing module is authenticated, is configured to audit the distribution terminal EIC equipment identification code and stores the distribution by audit
Terminal recognition code.
7. system according to claim 5, which is characterized in that the message encryption unit includes:
Key updating calling module is configured to update symmetric cryptographic key；
Message encryption module is configured to encrypt message using updated symmetric cryptographic key, obtains encryption message；
Cipher key encryption block is configured to carry out the symmetric cryptographic key using public key corresponding with target terminal asymmetric
Encryption obtains encryption message.
8. system according to claim 5, which is characterized in that the system also includes:
Identification obtains module, is configured to obtain the distribution terminal EIC equipment identification code for currently passing through authentication；
Preparation module is encrypted, is configured to generate the public affairs with the one-to-one asymmetric encryption of distribution terminal EIC equipment identification code
Key and private key；
Public key distribution module is configured to the public key being sent to corresponding distribution terminal according to corresponding EIC equipment identification code.
9. a kind of terminal characterized by comprising
Processor；
The memory executed instruction for storage processor；
Wherein, the processor is configured to perform claim requires the described in any item methods of 1-4.
10. a kind of computer readable storage medium for being stored with computer program, which is characterized in that the program is executed by processor
Shi Shixian method for example of any of claims 1-4.
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| CN112468493A (en) * | 2020-11-25 | 2021-03-09 | 上海电气风电集团股份有限公司 | Data transmission method, identity recognition method and system based on field bus |
| CN112953889A (en) * | 2020-12-31 | 2021-06-11 | 上海移为通信技术股份有限公司 | Message encryption and decryption method, system, server and readable storage medium |
| CN113452690A (en) * | 2021-06-24 | 2021-09-28 | 广东电网有限责任公司计量中心 | Power grid data transmission method, device, system and medium |
| CN113556355A (en) * | 2021-07-30 | 2021-10-26 | 广东电网有限责任公司 | Key processing system and method for intelligent equipment of power distribution network |
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