CN114124529B - Method and device for encrypting/decrypting grid-connected test data, and data processing method and device - Google Patents
Method and device for encrypting/decrypting grid-connected test data, and data processing method and device Download PDFInfo
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Classifications
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/04—Processing captured monitoring data, e.g. for logfile generation
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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
- H04L63/0272—Virtual private networks
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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
- H04L63/20—Network architectures or network communication protocols for network security for managing network security; network security policies in general
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/20—Information technology specific aspects, e.g. CAD, simulation, modelling, system security
Abstract
The application provides a method for encrypting grid-connected test data, which belongs to the technical field of data encryption; the specific scheme is as follows: acquiring test data of remote grid connection of new energy; compressing the test data; encrypting the compressed test data; and transmitting the encrypted test data by utilizing a safety authentication algorithm of the VPN special channel. The method and the device can solve the security, namely privacy protection problem of various data in the new energy remote grid-connected test process, high-efficiency transmission is completed by compressing, encoding and decoding the data, and the method and the device have good confidentiality and accuracy and can meet the encryption and decryption requirements of the new energy remote grid-connected test big data. The application also discloses a device for encrypting the grid-connected test data, a method and a device for decrypting the grid-connected test data, and a data processing method and a device.
Description
Technical Field
The present invention relates to the field of data encryption technologies, and in particular, to a method and an apparatus for encrypting grid-connected test data, a method and an apparatus for decrypting grid-connected test data, and a data processing method and an apparatus.
Background
The statements in this section merely provide background information related to the present application and may not necessarily constitute prior art.
In recent years, with the rapid development of world economy, especially national economy in developing countries, the electricity consumption required for social production and life has been continuously increasing. However, the consumption of a large amount of fossil energy sources such as traditional coal, petroleum and the like can not only solve the problem of resource exhaustion, but also seriously damage the ecological environment. Under the severe conditions of rapid increase of energy consumption and continuous deterioration of the climate environment, the sustainable development of the economy and society is promoted, and renewable energy sources such as solar energy, wind energy and the like must be greatly developed. Under the double pressures of atmospheric pollution control and climate change negotiation, clean energy can replace traditional coal and electricity to continuously accelerate.
With the continuous development of new energy stations, the remote grid-connected test of the new energy stations faces the problems of large data volume and safety of a data transmission network, and in order to solve the problems, corresponding module research on the problems of mass data processing and safety of the transmission network existing in the remote grid-connected test of the new energy is urgently needed to ensure the safe and stable transmission of mass test data.
Based on the method, how to apply a mass data compression encryption method and improve a network transmission security authentication algorithm, improves compression efficiency, saves transmission time, ensures unified security and stable transmission of mass test data, and becomes a technical problem to be solved urgently by those skilled in the art.
Disclosure of Invention
In order to solve the defects of the prior art, the application provides a method and a device for encrypting grid-connected test data, a method and a device for decrypting grid-connected test data, and a data processing method and a device, aiming at the security, namely privacy protection, problem of various data in the new energy remote grid-connected test process, high-efficiency transmission is completed through compressing, encoding and decoding of the data, and the method and the device have better confidentiality and accuracy and can meet the encryption and decryption requirements of the new energy remote grid-connected test big data.
In order to achieve the above purpose, the present application adopts the following technical scheme:
the first aspect of the application provides a method for encrypting grid-connected test data, which comprises the following steps:
acquiring test data of remote grid connection of new energy;
compressing the test data;
encrypting the compressed test data;
the encrypted test data is transmitted using a secure authentication algorithm of a VPN (Virtual Private Network ) dedicated channel.
Optionally, encrypting the compressed test data includes:
and (3) adopting segmented encryption to the compressed test data, wherein the segmented encryption is to select key frame data from the compressed test data and encrypt the key frame data.
Optionally, encrypting the compressed test data includes:
encrypting the compressed test data by adopting a packet hybrid encryption algorithm, wherein the packet hybrid encryption algorithm comprises:
generating a random number in 0-15 and storing the random number in a key element, wherein the key element is 4-bit binary data;
generating 16 random numbers between 0 and 15 by a system, and taking the current time as a seed to generate 16 non-repeated random numbers between 0 and 15 as a placement index number corresponding to the key element;
and placing and combining the 16 key elements according to the positions where the index numbers are arranged to obtain the 64-bit original key.
Optionally, transmitting the encrypted test data using a secure authentication algorithm of the VPN dedicated channel includes:
the address of the security policy server is sent to the user terminal through a Portal server (Portal server), and the security policy server carries out security authentication on the user terminal.
A second aspect of the present application provides a method for decrypting grid-tie test data, comprising:
receiving encrypted test data;
the encrypted test data is decrypted by a segmented decryption or packet hybrid decryption algorithm.
Optionally, the step of decrypting includes:
determining the lowest percentage of the data volume of the encryption information in the target key data to the data volume of the target information according to the relation between the error rate and the peak signal-to-noise ratio;
determining a key space according to the byte number of the target key data and the data quantity of the encryption information;
the encrypted content is determined based on the number of different pseudo-random sequences (the number of pseudo-random sequences is obtained based on the encrypted content, and is in correspondence with the encrypted content), the number of bytes of the target key data, and the data amount of the encrypted information.
Alternatively, the packet hybrid decryption algorithm employs the same key as the packet hybrid encryption algorithm.
A third aspect of the present application provides a data processing method, including: the method for encrypting the grid-connected test data according to the embodiment includes the step of encrypting the data by adopting the method for encrypting the grid-connected test data according to the embodiment, and the step of decrypting the data by adopting the method for decrypting the grid-connected test data according to the embodiment.
A fourth aspect of the present application provides an apparatus for encrypting grid-tie test data, comprising:
and a data acquisition module: the method comprises the steps of obtaining test data of remote grid connection of new energy;
and a data compression module: the test data compression device is used for compressing the test data;
and a data encryption module: the method comprises the steps of encrypting compressed test data;
and a data transmission module: the method is used for transmitting the encrypted test data by utilizing a safety authentication algorithm of the VPN special channel.
A fifth aspect of the present application provides an apparatus for decrypting grid-tie test data, comprising:
the data receiving module is used for receiving the encrypted test data;
and the data decryption module is used for decrypting the encrypted test data through a segmented decryption or packet hybrid decryption algorithm.
A sixth aspect of the present application provides a data processing apparatus, including the apparatus for encrypting the grid-tie test data of the above embodiment and the apparatus for decrypting the grid-tie test data of the above embodiment.
A seventh aspect of the present application provides a medium having stored thereon a program which when executed by a processor performs steps in a method for encryption of grid tie test data as in the first aspect of the present application, or steps in a method for decryption of grid tie test data as in the second aspect of the present application, or steps in a data processing method of the third aspect of the present application.
An eighth aspect of the present application provides an electronic device, including a memory, a processor, and a program stored on the memory and executable on the processor, the processor implementing steps in a method for encrypting grid-tie test data as in the first aspect of the present application, or steps in a method for decrypting grid-tie test data as in the second aspect of the present application, or steps in a data processing method of the third aspect of the present application, when the processor executes the program.
Compared with the prior art, the beneficial effects of this application are:
(1) Aiming at the safety, namely privacy protection, problem of various data in the new energy remote grid-connected test process, high-efficiency transmission is completed by compressing, encoding and decoding the data, and the method has good confidentiality and accuracy and can meet the encryption and decryption requirements of the new energy remote grid-connected test big data;
(2) When the access device receives an access request sent by an unauthenticated user terminal, the access device cooperates with a Portal server, an authentication server and a security policy server corresponding to the VPN to which the user terminal belongs, so that security authentication based on the Portal server can be performed on the user terminal in an MPLS (Multi-Protocol Label Switching )/VPN environment.
Drawings
FIG. 1 is a flow chart of a method for encryption of grid-tie test data provided in embodiment 1 of the present disclosure;
fig. 2 is a schematic diagram of a packet hybrid decryption algorithm process provided in embodiment 1 of the present disclosure;
FIG. 3 is a flow chart of a method for decrypting grid-tie test data provided in embodiment 2 of the present disclosure;
fig. 4 is a schematic diagram of an apparatus for encrypting grid-connected test data provided in embodiment 4 of the present disclosure;
fig. 5 is a schematic diagram of an apparatus for decrypting grid-tied test data according to embodiment 5 of the present disclosure.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
Embodiments and features of embodiments in this application may be combined with each other without conflict.
Example 1:
as shown in fig. 1, an embodiment of the present disclosure provides a method for encrypting grid-tied test data, including the steps of:
s01, acquiring test data of remote grid connection of new energy;
s02, compressing test data;
s03, encrypting the compressed test data;
s04, the encrypted test data is transmitted by utilizing a safety authentication algorithm of the VPN special channel.
By adopting the method for encrypting the grid-connected test data, which is provided by the embodiment of the invention, the high-efficiency transmission is completed by compressing, encoding and decoding the data aiming at the safety, namely privacy protection, problem of various data in the new energy remote grid-connected test process, and the method has better confidentiality and accuracy and can meet the large data encryption requirement of the new energy remote grid-connected test.
In some embodiments, encrypting the compressed test data includes:
and (3) adopting segmented encryption to the compressed test data, wherein the segmented encryption is to select key frame data from the compressed test data and encrypt the key frame data.
Optionally, selecting the key frame data from the compressed test data includes: selecting intra-frame prediction strips in the compressed test data; selecting an intra-prediction block from within an intra-prediction stripe; and selecting sub-blocks with the number of non-zero transformation coefficients not being 0 from the intra-frame prediction blocks, wherein the selected sub-blocks with the number of non-zero transformation coefficients not being 0 are used as key frame data.
Optionally, selecting the key frame data from the compressed test data includes: selecting a forward prediction strip, a bidirectional prediction strip and an intra-frame prediction strip in the compressed test data; selecting an intra prediction block from within the selected forward prediction slice, bi-prediction slice, and intra prediction slice; and selecting sub-blocks with the number of non-zero transformation coefficients not being 0 from the intra-frame prediction blocks, wherein the selected sub-blocks with the number of non-zero transformation coefficients not being 0 are used as key frame data.
By comparing the two methods for selecting key frame data from compressed test data, the first method can not well meet the visual invisibility, because the inter-frame prediction strip still contains an intra-frame prediction block, but the first method is simple to operate and can be used in occasions with lower safety requirements; the second method is relatively complex, but visual invisibility may be better met.
As shown in fig. 2, in some embodiments, encrypting the compressed test data includes:
encrypting the compressed test data by adopting a packet hybrid encryption algorithm, wherein the packet hybrid encryption algorithm comprises:
generating a random number in 0-15 and storing the random number in a key element, wherein the key element is 4-bit binary data;
generating 16 random numbers between 0 and 15 by a system, and taking the current time as a seed to generate 16 non-repeated random numbers between 0 and 15 as a placement index number corresponding to the key element;
and placing and combining the 16 key elements according to the positions where the index numbers are arranged to obtain the 64-bit original key.
It will be appreciated that confidentiality is reflected in the plaintext sensitivity and key sensitivity of the encryption algorithm. Plaintext sensitivity and key sensitivity are important judging criteria for the encryption algorithm. The plaintext sensitivity of the block hybrid encryption algorithm depends on the position of the block where the modified plaintext is located, i.e. once the plaintext is modified, the segment containing the modified plaintext will be modified accordingly to the encrypted ciphertext.
In some embodiments, transmitting the encrypted test data using a secure authentication algorithm for the VPN dedicated channel includes:
and sending the address of the security policy server to the user terminal through the Portal server, and carrying out security authentication on the user terminal by the security policy server.
The following preconditions are needed for implementing the security authentication process in the network:
(1) The Portal client can communicate with the Portal server.
(2) The BAS (Broadband Access Server broadband remote access server) is able to communicate with a Portal server.
(3) The BAS is capable of communicating with an authentication server.
(4) The Portal client can communicate with the security policy server.
(5) The security policy server is capable of communicating with the authentication server.
(6) The user side IP addresses in the network cannot overlap.
Example 2:
as shown in fig. 3, an embodiment of the present disclosure provides a method for decrypting grid-tied test data, including the steps of:
s05, receiving encrypted test data;
s06, decrypting the encrypted test data through a sectional decryption or packet mixing decryption algorithm.
The encrypted test data received in the step S05 may be the test data encrypted by the encryption method disclosed in the above embodiment, or may be the test data encrypted by another encryption method.
The method for decoding and encrypting the grid-connected test data can solve the security, namely privacy protection problem of various data in the new energy remote grid-connected test process, has good confidentiality and accuracy, and can meet the large data decryption requirement of the new energy remote grid-connected test.
In some embodiments, the segmented decryption includes:
determining the lowest percentage of the data volume of the encryption information in the target key data to the data volume of the target information according to the relation between the error rate and the peak signal-to-noise ratio;
determining a key space according to the byte number of the target key data and the data quantity of the encryption information;
and determining the encrypted content according to the number of different pseudo-random sequences, the byte number of the target key data and the data quantity of the encrypted information.
In some embodiments, the packet hybrid decryption algorithm employs the same key as the packet hybrid encryption algorithm.
Example 3:
the embodiment of the disclosure provides a data processing method, which comprises the following steps: the method for encrypting the grid-connected test data according to the embodiment includes the step of encrypting the data by adopting the method for encrypting the grid-connected test data according to the embodiment, and the step of decrypting the data by adopting the method for decrypting the grid-connected test data according to the embodiment.
Example 4:
as shown in fig. 4, an embodiment of the present disclosure provides an apparatus for encryption of grid-tied test data, including:
and a data acquisition module: the method comprises the steps of obtaining test data of remote grid connection of new energy;
and a data compression module: the test data compression device is used for compressing the test data;
and a data encryption module: the method comprises the steps of encrypting compressed test data;
and a data transmission module: the method is used for transmitting the encrypted test data by utilizing a safety authentication algorithm of the VPN special channel.
The working method of the device for encrypting the grid-connected test data is the same as the method for encrypting the grid-connected test data provided in each embodiment, and is not repeated here.
Example 5:
as shown in fig. 5, an embodiment of the present disclosure provides an apparatus for decrypting grid-tied test data, including:
the data receiving module is used for receiving the encrypted test data;
and the data decryption module is used for decrypting the encrypted test data through a segmented decryption or packet hybrid decryption algorithm.
The working method of the device for decrypting the grid-connected test data is the same as the method for decrypting the grid-connected test data provided in each embodiment, and is not repeated here.
Example 6:
the embodiment of the disclosure provides a data processing device, which comprises: the device for encrypting the grid-connected test data of the above embodiment and the device for decrypting the grid-connected test data of the above embodiment.
Example 7:
the embodiments of the present disclosure provide a storage medium having a program stored thereon, which when executed by a processor, implements the steps in the method for encrypting grid-tie test data provided in the embodiments above, including:
s01, acquiring test data of remote grid connection of new energy;
s02, compressing test data;
s03, encrypting the compressed test data;
s04, the encrypted test data is transmitted by utilizing a safety authentication algorithm of the VPN special channel.
Or the program when executed by a processor, implements the steps in the method for decrypting grid-connected test data provided in the above embodiments, including:
s05, receiving encrypted test data;
s06, decrypting the encrypted test data through a sectional decryption or packet mixing decryption algorithm.
Or the program when executed by a processor implements the steps in the data processing method provided in the above embodiments, including:
s01, acquiring test data of remote grid connection of new energy;
s02, compressing test data;
s03, encrypting the compressed test data;
s04, transmitting the encrypted test data by utilizing a safety authentication algorithm of a VPN special channel;
s05, receiving encrypted test data;
s06, decrypting the encrypted test data through a sectional decryption or packet mixing decryption algorithm.
The detailed steps of the method implemented by the program are the same as those of the method for encrypting the grid-connected test data provided by the above embodiments, or the detailed steps of the method implemented by the program are the same as those of the method for decrypting the grid-connected test data provided by the above embodiments, or the detailed steps of the method implemented by the program are the same as those of the data processing method provided by the above embodiments, and are not repeated here.
Example 8:
the embodiment of the disclosure provides an electronic device, including a memory, a processor, and a program stored in the memory and capable of running on the processor, where the processor implements the steps in the method for encrypting grid-connected test data provided in the above embodiments when executing the program, including:
s01, acquiring test data of remote grid connection of new energy;
s02, compressing test data;
s03, encrypting the compressed test data;
s04, the encrypted test data is transmitted by utilizing a safety authentication algorithm of the VPN special channel.
Or the steps in the method for decrypting the grid-connected test data provided by the embodiments are realized, which comprises the following steps:
s05, receiving encrypted test data;
s06, decrypting the encrypted test data through a sectional decryption or packet mixing decryption algorithm.
Or the steps in the data processing method provided by the above embodiments are implemented, including:
s01, acquiring test data of remote grid connection of new energy;
s02, compressing test data;
s03, encrypting the compressed test data;
s04, transmitting the encrypted test data by utilizing a safety authentication algorithm of a VPN special channel;
s05, receiving encrypted test data;
s06, decrypting the encrypted test data through a sectional decryption or packet mixing decryption algorithm.
The detailed steps of the method implemented by the program are the same as those of the method for encrypting the grid-connected test data provided by the above embodiments, or the detailed steps of the method implemented by the program are the same as those of the method for decrypting the grid-connected test data provided by the above embodiments, or the detailed steps of the method implemented by the program are the same as those of the data processing method provided by the above embodiments, and are not repeated here.
It will be appreciated by those skilled in the art that embodiments of the present disclosure may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of a hardware embodiment, a software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, magnetic disk storage, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the disclosure. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
Those skilled in the art will appreciate that implementing all or part of the above-described methods in accordance with the embodiments may be accomplished by way of a computer program stored on a computer readable storage medium, which when executed may comprise the steps of the embodiments of the methods described above. The storage medium may be a magnetic disk, an optical disk, a Read-Only Memory (ROM), a Random access Memory (Random AccessMemory, RAM), or the like.
The foregoing description is only of the preferred embodiments of the present application and is not intended to limit the same, but rather, various modifications and variations may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.
Claims (4)
1. A method of data processing, comprising:
acquiring test data of remote grid connection of new energy;
compressing the test data;
encrypting the compressed test data;
transmitting the encrypted test data by utilizing a safety authentication algorithm of a VPN dedicated channel;
receiving encrypted test data;
decrypting the encrypted test data through a packet hybrid decryption algorithm;
encrypting the compressed test data, including: encrypting the compressed test data by adopting a packet hybrid encryption algorithm, wherein the packet hybrid encryption algorithm comprises: generating a random number in 0-15 and storing the random number in a key element, wherein the key element is 4-bit binary data; generating 16 random numbers between 0 and 15 by a system, and taking the current time as a seed to generate 16 non-repeated random numbers between 0 and 15 as placement index numbers corresponding to the key primitives; placing and combining 16 key elements according to the positions where the index numbers are arranged to obtain a 64-bit original key; encrypting the compressed test data by using the 64-bit original key;
the packet hybrid decryption algorithm and the packet hybrid encryption algorithm adopt the same secret key.
2. The data processing method of claim 1, wherein transmitting the encrypted test data using a secure authentication algorithm for a VPN dedicated channel comprises:
and sending the address of the security policy server to the user terminal through the Portal server, and carrying out security authentication on the user terminal by the security policy server.
3. A data processing apparatus, comprising:
and a data acquisition module: the method comprises the steps of obtaining test data of remote grid connection of new energy;
and a data compression module: the test data compression module is used for compressing the test data;
and a data encryption module: the test data is used for encrypting the compressed test data;
and a data transmission module: the safety authentication algorithm is used for transmitting the encrypted test data by utilizing a VPN dedicated channel;
the data receiving module is used for receiving the encrypted test data;
the data decryption module is used for decrypting the encrypted test data through a packet hybrid decryption algorithm;
encrypting the compressed test data, including: encrypting the compressed test data by adopting a packet hybrid encryption algorithm, wherein the packet hybrid encryption algorithm comprises: generating a random number in 0-15 and storing the random number in a key element, wherein the key element is 4-bit binary data; generating 16 random numbers between 0 and 15 by a system, and taking the current time as a seed to generate 16 non-repeated random numbers between 0 and 15 as placement index numbers corresponding to the key primitives; placing and combining 16 key elements according to the positions where the index numbers are arranged to obtain a 64-bit original key; encrypting the compressed test data by using the 64-bit original key;
the packet hybrid decryption algorithm and the packet hybrid encryption algorithm adopt the same secret key.
4. A data processing apparatus as claimed in claim 3, wherein transmitting the encrypted test data using a secure authentication algorithm for a VPN dedicated channel comprises:
and sending the address of the security policy server to the user terminal through the Portal server, and carrying out security authentication on the user terminal by the security policy server.
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| CN202111397142.2A CN114124529B (en) | 2021-11-23 | 2021-11-23 | Method and device for encrypting/decrypting grid-connected test data, and data processing method and device |
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| CN202111397142.2A CN114124529B (en) | 2021-11-23 | 2021-11-23 | Method and device for encrypting/decrypting grid-connected test data, and data processing method and device |
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