CN113259328A - Internal and external network data interaction system of power grid - Google Patents
Internal and external network data interaction system of power grid Download PDFInfo
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- CN113259328A CN113259328A CN202110438310.1A CN202110438310A CN113259328A CN 113259328 A CN113259328 A CN 113259328A CN 202110438310 A CN202110438310 A CN 202110438310A CN 113259328 A CN113259328 A CN 113259328A
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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
- H04L63/02—Network architectures or network communication protocols for network security for separating internal from external traffic, e.g. firewalls
- H04L63/0209—Architectural arrangements, e.g. perimeter networks or demilitarized zones
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- 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
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/3236—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using cryptographic hash functions
- H04L9/3239—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using cryptographic hash functions involving non-keyed hash functions, e.g. modification detection codes [MDCs], MD5, SHA or RIPEMD
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- 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
- H04L9/50—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using hash chains, e.g. blockchains or hash trees
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Abstract
The invention provides a data interaction system for an internal network and an external network of a power grid, which is applied to the technical field of data interaction and comprises the following steps: the system comprises a first block chain module, a first chain spanning device, a second block chain module and a second chain spanning device; the first block chain module and the first chain crossing device are both arranged in an intranet of a target power grid, and an intranet alliance chain corresponding to target power grid intranet data is pre-established in the first block chain module; the second block chain module and the second chain spanning device are both arranged in an external network of a target power grid, and an external network alliance chain corresponding to external network data of the target power grid is pre-established in the second block chain module; the intranet data is transmitted to the extranet through the first chain spanning device, the forward and reverse isolation device and the second chain spanning device in sequence; and the external network data are transmitted to the external network through the second chain spanning device, the forward and reverse isolation device and the first chain spanning device in sequence. The power grid internal and external network data interaction system provided by the invention realizes the safe transmission of the power grid internal and external network data.
Description
Technical Field
The invention belongs to the technical field of data interaction, and particularly relates to a power grid internal and external network data interaction system.
Background
The block chain technology is used as a credible storage technology, can realize the non-falsification of stored data, improves the public confidence of the data, and is widely applied in various fields.
However, when the blockchain technology is applied to the power grid field, the data security requirement in the power grid field is high, and the network environment is complex, so that the blockchain technology cannot penetrate through the direct communication between the internal network and the external network of the power grid, and further the secure transmission of the power grid data between the internal network and the external network is influenced.
Disclosure of Invention
The invention aims to provide a power grid internal and external network data interaction system to solve the technical problem that a block chain technology in the prior art cannot penetrate through the direct communication of the internal and external networks of a power grid.
In order to achieve the purpose, the technical scheme adopted by the invention is to provide a power grid internal and external network data interaction system, the system is applied to a target power grid, and a forward and reverse isolation device is arranged between an internal network and an external network of the target power grid;
the system comprises:
the system comprises a first block chain module, a first chain spanning device, a second block chain module and a second chain spanning device;
the first block chain module and the first chain crossing device are both arranged in an intranet of a target power grid, and an intranet alliance chain corresponding to target power grid intranet data is pre-established in the first block chain module;
the second block chain module and the second chain spanning device are both arranged in an external network of a target power grid, and an external network alliance chain corresponding to external network data of the target power grid is pre-established in the second block chain module;
when the intranet data is transmitted from the intranet to the extranet, the first chain crossing device is used for downlink of the intranet data on the intranet alliance chain to an intranet database; the second chain crossing device acquires the intranet data from the intranet database through the forward and reverse isolation device and links the intranet data to the extranet alliance chain;
when the extranet data is transmitted to the intranet from the extranet, the second chain crossing device carries out chain descending on the extranet data on the extranet alliance chain and stores the extranet data to an intranet database through the forward and reverse isolation device; and the first chain crossing device acquires the external network data from the internal network database and links the external network data to the internal network alliance chain.
Optionally, the system for data interaction between the internal network and the external network of the power grid further includes:
a first proxy device and a second proxy device;
the first proxy device is arranged in an internal network of a target power grid, and the second proxy device is arranged in an external network of the target power grid;
when external data corresponding to a target power grid are transmitted to an internal network from an external network, the second proxy device stores request information corresponding to the external data into an internal network database through the forward and reverse isolation device; and the first proxy device reads the request information in the intranet database and realizes the uplink of the external data according to the read request information.
Optionally, when the intranet data is transmitted from the intranet to the external uplink device, the first proxy device downlinks the intranet data to an intranet database, and the second proxy device obtains the intranet data from the intranet database through the forward and reverse isolation device and forwards the intranet data to the external uplink device.
Optionally, after the first proxy apparatus implements uplink of the external data, the first proxy apparatus further stores an uplink result corresponding to the external data in the intranet database;
and the second proxy device also reads the uplink result in the intranet database through the forward and reverse isolation device and returns the uplink result to the external uplink device corresponding to the external data.
Optionally, the second proxy device returns the uplink result to the external uplink device corresponding to the external data by calling a callback address corresponding to the external data;
the callback address corresponding to the external data is provided by the external uplink device corresponding to the external data when the external uplink request is provided.
Optionally, the first proxy device reads the request information in the intranet database according to a first preset period, and realizes uplink of the external data according to the read request information;
and the second proxy device reads the uplink result in the intranet database according to a second preset period.
Optionally, the second preset period is greater than the first preset period.
Optionally, before the second inter-chain device links the intranet data to the extranet alliance chain corresponding to the second blockchain module, the intranet data is encrypted by the second inter-chain device;
correspondingly, the second inter-link device links the encrypted intranet data to the external alliance chain.
Optionally, before the second inter-chain device links the intranet data to the extranet alliance chain corresponding to the second blockchain module, the second inter-chain device further calculates a hash value of the intranet data;
correspondingly, the second chain crossing device links the hash value of the intranet data to the external alliance chain.
In order to achieve the purpose, the invention also provides an internal and external network data interaction system of the power grid, the system is applied to a target power grid, and a forward and reverse isolation device is arranged between an internal network and an external network of the target power grid;
the system comprises:
a first blockchain module, a first proxy device, and a second proxy device;
the first block chain module and the first proxy device are both arranged in an intranet of a target power grid, and an intranet alliance chain corresponding to target power grid intranet data is pre-established in the first block chain module;
the second proxy device is arranged on an external network of the target power grid;
when external data corresponding to a target power grid are transmitted to an internal network from an external network, the second proxy device stores request information corresponding to the external data into an internal network database through the forward and reverse isolation device; and the first proxy device reads the request information in the intranet database and realizes the uplink of the external data according to the read request information.
The internal and external network data interaction system of the power grid has the advantages that:
different from the scheme that only an intranet or an extranet is built with a alliance chain in the prior art, the method and the system are provided with the first block chain module and the second block chain module respectively in the intranet and the extranet of the target power grid, namely, two alliance chains are built in advance. On the basis, the internal and external network corresponding chain-crossing devices are arranged, data interaction between the internal network alliance chain and the external network alliance chain is achieved through the internal and external network corresponding chain-crossing devices and the original positive and negative isolation devices of the power grid, the problem that a block chain technology cannot penetrate through the internal and external network direct communication of the power grid is solved, and therefore safe transmission of the internal and external network data of the power grid is achieved.
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In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a data interaction system in a power grid internal and external networks according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a data interaction system in a power grid internal and external network according to another embodiment of the present invention;
fig. 3 is a schematic structural diagram of a data interaction system in a power grid internal and external network according to still another embodiment of the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a power grid internal and external network data interaction system according to an embodiment of the present invention, where the power grid internal and external network data interaction system is applied to a target power grid, and a forward and reverse isolation device is installed between an internal network and an external network of the target power grid.
The power grid internal and external network data interaction system comprises:
a first blockchain module 11, a first interlinking device 12, a second blockchain module 13 and a second interlinking device 14.
The first blockchain module 11 and the first chain spanning device 12 are both arranged in an intranet of a target power grid, and the intranet alliance chain corresponding to target power grid intranet data is pre-established in the first blockchain module 11.
The second blockchain module 13 and the second chain spanning device 14 are both arranged in an external network of the target power grid, and the second blockchain module 13 is pre-established with an external network alliance chain corresponding to the external network data of the target power grid.
When the intranet data is transmitted from the intranet to the extranet, the first inter-link device 11 down-links the intranet data on the intranet alliance chain to the intranet database. The second chain crossing device 14 obtains the intranet data from the intranet database through the software package provided by the forward and reverse isolation device, and links the intranet data to the extranet alliance chain.
When the extranet data is transmitted from the extranet to the intranet, the second chain crossing device 14 downlinks the extranet data on the extranet alliance chain, and stores the extranet data in the intranet database through the software package provided by the forward and reverse isolation device. The first inter-link device 11 obtains the extranet data from the intranet database, and links the extranet data to the intranet alliance chain.
In this embodiment, the data source of the target power grid is the intranet of the target power grid, and the data is stored in the intranet more safely, so to implement the link chain for the certificate of the original data, a block chain alliance chain can be established in an internal network environment, and an interface is opened for internal application in the intranet to implement the link chain for the internal data. The first blockchain module 11 is a carrier of the intranet alliance chain.
In this embodiment, part of data of the power grid needs to be provided for the external network for use, and on the other hand, the power grid needs to acquire the data from the external network, so that a block chain alliance chain can be further established in an external network environment, the alliance chain can be connected with an external network organization, and the power grid can provide the data to the outside through the alliance chain and can also acquire the data provided by the external network organization through the alliance chain. The second blockchain module 13 is a carrier of the extranet alliance chain.
In order to ensure data security, a forward and reverse isolation device is installed between an internal network and an external network, so that a system of the internal network and the system of the external network cannot be directly connected by a Transmission Control Protocol (TCP), data interaction can be realized only by writing Structured Query Language (SQL) statements by using a software package provided by the forward and reverse isolation device, and the software package only supports Java Language. That is to say, the intranet block chain nodes and the extranet block chain link nodes cannot directly perform TCP communication, so the first inter-chain device 12 and the second inter-chain device 14 are provided in the embodiment of the present invention, and the communication between the intranet alliance chain and the extranet alliance chain is realized by combining with the existing forward and reverse isolation device of the target power grid.
As can be seen from the above description, unlike the scheme in the prior art in which only an intranet or only an extranet is used to build a federation chain, in the embodiment of the present invention, a first blockchain module and a second blockchain module are respectively arranged in the intranet and the extranet of a target power grid, that is, two federation chains are built in advance. On the basis, the embodiment of the invention is provided with the chain crossing devices corresponding to the internal network and the external network, realizes data interaction between the internal network alliance chain and the external network alliance chain through the chain crossing devices corresponding to the internal network and the external network and the original forward and reverse isolation devices of the power grid, also solves the problem that the block chain technology cannot penetrate through the direct communication of the internal network and the external network of the power grid, and further realizes the safe transmission of the data of the internal network and the external network of the power grid.
Optionally, referring to fig. 2, as a specific implementation of the data interaction system for the internal and external networks of the power grid provided by the present invention, the data interaction system for the internal and external networks of the power grid further includes:
a first proxy device 15 and a second proxy device 16.
The first proxy device 15 is installed in the intranet of the target grid, and the second proxy device 16 is installed in the extranet of the target grid.
When the external data corresponding to the target grid is transmitted from the external network to the internal network, the second proxy device 16 stores the request information corresponding to the external data in the internal network database through the forward and reverse isolation device. The first proxy device 15 reads the request information in the intranet database and realizes uplink of the external data according to the read request information.
When the intranet data is transmitted from the intranet to the external uplink device, the first proxy device 15 downlinks the intranet data to the intranet database, and the second proxy device 16 obtains the intranet data from the intranet database through a software package provided by the forward and reverse isolation device, and forwards the intranet data to the external uplink device.
In this embodiment, the first inter-chain device 12 and the second inter-chain device 14 are configured to implement secure data interaction between the second-level alliance chains, but external data owned by the target power grid cannot be directly stored on the intranet alliance chain, because the interface provided by the internal alliance chain cannot be directly accessed externally, the first proxy device 15 and the second proxy device 16 are configured to implement access of the external uplink device to the intranet alliance chain.
In this embodiment, when the external uplink device accesses the intranet alliance chain, the interface request for accessing the intranet alliance chain is modified to the interface request for accessing the second proxy device 16, and the second proxy device 16 stores the request information corresponding to the external data into the intranet database through the software package provided by the forward and reverse isolation device. The first proxy device 15 reads the request information in the intranet database and realizes uplink of the external data according to the read request information.
The request information includes, but is not limited to, identification information of the external uplink device, external data requested by the external uplink device for uplink, a callback address corresponding to the external data, and the like.
Optionally, as a specific implementation manner of the power grid intranet and extranet data interaction system provided by the present invention, when intranet data is transmitted from an intranet to an external uplink device, the first proxy device downlinks the intranet data to an intranet database, and the second proxy device obtains the intranet data from the intranet database through the forward and reverse isolation device and forwards the intranet data to the external uplink device.
Optionally, as a specific implementation manner of the power grid intranet and extranet data interaction system provided by the present invention, after the first proxy apparatus implements uplink of the external data, the first proxy apparatus further stores an uplink result corresponding to the external data in an intranet database.
The second proxy device also reads the uplink result in the intranet database through the software package provided by the forward and reverse isolation device, and returns the uplink result to the external uplink device corresponding to the external data.
Optionally, as a specific implementation manner of the power grid internal and external network data interaction system provided by the present invention, a specific scheme for the second proxy device to return the uplink result to the external uplink device corresponding to the external data includes:
and the second agent device returns the uplink result to the external uplink device corresponding to the external data by calling the callback address corresponding to the external data.
The callback address corresponding to the external data is provided by the external uplink device corresponding to the external data when the external data uplink request is provided.
Optionally, as a specific implementation manner of the power grid intranet and extranet data interaction system provided by the present invention, the first proxy apparatus reads the request information in the intranet database according to a first preset period, and realizes uplink of the external data according to the read request information.
And the second proxy device reads the uplink result in the intranet database according to a second preset period.
Optionally, as a specific implementation manner of the data interaction system between the internal network and the external network of the power grid provided by the invention, the second preset period is greater than the first preset period.
Optionally, as a specific implementation manner of the power grid internal and external network data interaction system provided by the present invention, the second inter-link device further encrypts the internal network data before linking the internal network data to the external network alliance chain corresponding to the second blockchain module.
Correspondingly, the second inter-link device links the encrypted intranet data to the external alliance chain.
Optionally, as a specific implementation manner of the power grid internal and external network data interaction system provided by the present invention, a specific manner of encrypting the internal network data by the second inter-link device is as follows: and calculating the hash value of the intranet data.
Correspondingly, the second cross-chain device links the hash value of the intranet data to the external alliance chain.
In summary, the internal and external network interlinkage device is arranged, on the basis, the internal data chaining of the power grid and the safe sharing of the power grid data and the external institution data are realized through the second-level alliance chain, and the value of the power grid data is improved. In addition, the invention also provides an internal and external network agent device, thereby providing the capability of using the internal block chain technology from the outside of the power grid and further improving the convenience of power grid data transmission.
Referring to fig. 3, an embodiment of the present invention further provides an internal and external grid data interaction system for a power grid, where the internal and external grid data interaction system is applied to a target power grid, and a forward and reverse isolation device is installed between an internal grid and an external grid of the target power grid.
The power grid internal and external network data interaction system comprises:
a first blockchain module 11, a first proxy device 15, and a second proxy device 16.
The first blockchain module 11 and the first proxy device 15 are both arranged in an intranet of the target power grid, and the intranet alliance chain corresponding to the intranet data of the target power grid is pre-established in the first blockchain module 11.
The second proxy device 16 is located outside the target grid.
When the external data corresponding to the target grid is transmitted from the external network to the internal network, the second proxy device 16 stores the request information corresponding to the external data in the internal network database through the forward and reverse isolation device. The first proxy device 15 reads the request information in the intranet database and realizes uplink of the external data according to the read request information.
When the intranet data is transmitted from the intranet to the external uplink device, the first proxy device 15 downlinks the intranet data to the intranet database, and the second proxy device 16 obtains the intranet data from the intranet database through the forward and reverse isolation device and forwards the intranet data to the external uplink device.
While the invention has been described with reference to specific embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A data interaction system for an internal network and an external network of a power grid is characterized in that the system is applied to a target power grid, and a forward and reverse isolation device is installed between the internal network and the external network of the target power grid;
the system comprises:
the system comprises a first block chain module, a first chain spanning device, a second block chain module and a second chain spanning device;
the first block chain module and the first chain crossing device are both arranged in an intranet of a target power grid, and an intranet alliance chain corresponding to target power grid intranet data is pre-established in the first block chain module;
the second block chain module and the second chain spanning device are both arranged in an external network of a target power grid, and an external network alliance chain corresponding to external network data of the target power grid is pre-established in the second block chain module;
when the intranet data is transmitted from the intranet to the extranet, the first chain crossing device is used for downlink of the intranet data on the intranet alliance chain to an intranet database; the second chain crossing device acquires the intranet data from the intranet database through the forward and reverse isolation device and links the intranet data to the extranet alliance chain;
when the extranet data is transmitted to the intranet from the extranet, the second chain crossing device carries out chain descending on the extranet data on the extranet alliance chain and stores the extranet data to an intranet database through the forward and reverse isolation device; and the first chain crossing device acquires the external network data from the internal network database and links the external network data to the internal network alliance chain.
2. The intra-net and extra-net data interaction system of claim 1, further comprising a first proxy device and a second proxy device;
the first proxy device is arranged in an internal network of a target power grid, and the second proxy device is arranged in an external network of the target power grid;
when external data corresponding to a target power grid are transmitted to an internal network from an external network, the second proxy device stores request information corresponding to the external data into an internal network database through the forward and reverse isolation device; and the first proxy device reads the request information in the intranet database and realizes the uplink of the external data according to the read request information.
3. The system according to claim 2, wherein when intranet data is transmitted from an intranet to an external uplink device, the first proxy device downlinks the intranet data to an intranet database, and the second proxy device obtains the intranet data from the intranet database through the forward and reverse isolation device and forwards the intranet data to the external uplink device.
4. The system according to claim 2, wherein the first proxy device further stores a uplink result corresponding to the external data in the intranet database after uplink of the external data is implemented;
and the second proxy device also reads the uplink result in the intranet database through the forward and reverse isolation device and returns the uplink result to the external uplink device corresponding to the external data.
5. The system according to claim 4, wherein the second proxy device returns the uplink result to the external uplink device corresponding to the external data by calling a callback address corresponding to the external data;
the callback address corresponding to the external data is provided by the external uplink device corresponding to the external data when the external uplink request is provided.
6. The system according to claim 4, wherein the first proxy device reads the request information in the intranet database according to a first preset period, and realizes uplink of the external data according to the read request information;
and the second proxy device reads the uplink result in the intranet database according to a second preset period.
7. The system for data interaction between an internal network and an external network of a power grid as claimed in claim 6, wherein said second predetermined period is greater than said first predetermined period.
8. The system according to claim 1, wherein the second inter-network and inter-network data inter-chain device further encrypts the intranet data before chaining the intranet data to the extranet alliance chain corresponding to the second blockchain module;
correspondingly, the second inter-link device links the encrypted intranet data to the external alliance chain.
9. The system according to claim 8, wherein the second inter-grid data communication device further calculates a hash value of the intranet data before chaining the intranet data to the corresponding extranet alliance chain of the second blockchain module;
correspondingly, the second chain crossing device links the hash value of the intranet data to the external alliance chain.
10. A data interaction system for an internal network and an external network of a power grid is characterized in that the system is applied to a target power grid, and a forward and reverse isolation device is installed between the internal network and the external network of the target power grid;
the system comprises:
the system comprises a first block chain module, a first proxy device and a second proxy device;
the first block chain module and the first proxy device are both arranged in an intranet of a target power grid, and an intranet alliance chain corresponding to target power grid intranet data is pre-established in the first block chain module;
the second proxy device is arranged on an external network of the target power grid;
when external data corresponding to a target power grid are transmitted to an internal network from an external network, the second proxy device stores request information corresponding to the external data into an internal network database through the forward and reverse isolation device; and the first proxy device reads the request information in the intranet database and realizes the uplink of the external data according to the read request information.
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