CN112383587A - Data transmission method and data transmission system between networks - Google Patents
Data transmission method and data transmission system between networks Download PDFInfo
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- CN112383587A CN112383587A CN202011126093.4A CN202011126093A CN112383587A CN 112383587 A CN112383587 A CN 112383587A CN 202011126093 A CN202011126093 A CN 202011126093A CN 112383587 A CN112383587 A CN 112383587A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1097—Protocols in which an application is distributed across nodes in the network for distributed storage of data in networks, e.g. transport arrangements for network file system [NFS], storage area networks [SAN] or network attached storage [NAS]
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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
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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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Abstract
The invention relates to the technical field of information transmission, and discloses a data transmission method and a data transmission system between networks, wherein the method comprises the following steps: receiving data information displayed by a first network in a first specific pattern generated by a first rule; analyzing the first specific pattern according to a second rule to form original service data, and displaying the original service data through display equipment after reading the original service data; transmitting the original service data to a second network data transmission service; processing the original service data through a first rule to form a second specific pattern, and transmitting the second specific pattern to a third network; the first network, the second network and the third network are physically isolated, the first network and the second network are in bidirectional communication, and the second network and the third network are in unidirectional communication. The invention has at least the following beneficial effects: the method ensures the security of data transmission between networks and has the characteristics of low cost and high security.
Description
Technical Field
The present invention relates to the field of information transmission technologies, and in particular, to a method and a system for data transmission between networks.
Background
With the development of information technology and the wide application of the internet and the mobile internet, networked office has become a commonly-used office mode for people, so that data transmission among networks is more and more emphasized, and in some practical applications, higher requirements are placed on the security of data transmission among networks, such as banks, government departments, tax departments and the like. The traditional network data transmission security is mainly realized by methods of setting up firewalls, gatekeepers and the like, the method is high in investment and needs special maintenance, although the security of the network can be guaranteed to a certain extent, the risk that an internal network is attacked still exists, once the internal network is attacked by hackers, the loss suffered by units such as banks, government departments, tax authorities and the like can not be measured.
In the prior art, information transmission is also performed by using a two-dimensional code, but the information is generally transmitted in a single direction, one party generates data into the two-dimensional code, the other party reads the data of the two-dimensional code to perform corresponding operation, and no interaction process or feedback exists between data transmission.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a method for transmitting data between networks, which can ensure the safety of data transmission between networks and has the characteristics of low cost and high safety.
The invention also provides a data transmission system with the inter-network data transmission method.
According to the first aspect of the invention, the data transmission method between networks includes the following steps: receiving data information displayed by a first network in a first specific pattern generated by a first rule; analyzing the first specific pattern according to a second rule to form original service data, and displaying the original service data through display equipment after reading the original service data; transmitting the original service data to a second network data transmission service; processing the original service data through the first rule to form a second specific pattern, and transmitting the second specific pattern to a third network; the first network, the second network and the third network are physically isolated, the first network and the second network are in bidirectional communication, and the second network and the third network are in unidirectional communication.
According to some embodiments of the invention, the first rule comprises: and compressing and encrypting the original service data, grouping the original service data into a plurality of data packets, embedding the serial number, the key and the effective identifier of the data packet into each data packet, coding the data packets, and displaying the data packets in a specific pattern according to a screen display rule.
According to some embodiments of the invention, the second rule comprises: identifying and decoding a specific pattern according to a screen display rule to form a first data stream, wherein the first data stream comprises a ciphertext, a secret key, a data packet number and a data packet effective identifier; decrypting the first data stream to generate a second data stream, and packaging and decompressing the second data stream to generate the original service data; wherein the specific patterns comprise a first specific pattern and a second specific pattern.
According to some embodiments of the present invention, the screen display rule is that the size of a display pattern is determined according to the resolution of a display screen and the size of each set of data, the display pattern includes a functional pattern area and a data pattern area, the functional pattern area includes a positioning pattern, a correction pattern, and a position detection pattern, the position detection pattern is respectively located at the upper left corner, the upper right corner, and the lower left corner of the specific pattern, and the data pattern area records specific data information.
According to some embodiments of the present invention, the data pattern area and the setting pattern are hidden according to a security level of the data information.
According to some embodiments of the invention, further comprising the steps of: receiving feedback information displayed in a third specific pattern by the second network, wherein the feedback information is displayed through a display device; analyzing the third specific pattern according to the second rule to obtain feedback data, and transmitting the feedback data to the first network for processing; and the first network compares the feedback data with the original service data, and if the comparison result is inconsistent, the first network retransmits the data information.
According to some embodiments of the invention, the third network parses the second specific pattern according to a second rule to form original service data, and then performs distributed storage.
An inter-network data transmission system according to an embodiment of a second aspect of the present invention includes: the first subsystem comprises a first network, a first display device and a first reading device, wherein the first network is used for processing original service data according to a first rule, generating a first specific pattern and displaying the first specific pattern on the first display device; the second subsystem comprises a second network, a second display device and a second reading device, wherein the second network is used for receiving the first specific pattern read by the second reading device, analyzing the first specific pattern according to a second rule to form original service data, displaying the original service data through the second display device and/or processing the original service data according to the first rule to form a second specific pattern, and transmitting the second specific pattern to a third network; the third subsystem comprises the third network and a third reading device, wherein the third network is used for receiving the second specific pattern read by the third reading device, analyzing the second specific pattern according to the second rule to form original service data and then performing distributed storage; the first network, the second network and the third network are physically isolated, the first network and the second network are in bidirectional communication, and the second network and the third network are in unidirectional communication.
According to some embodiments of the invention, the first sensing device receives feedback information displayed by the second display device in a third specific pattern; and the first network analyzes the third specific pattern according to the second rule to obtain feedback data, and compares the feedback data with the original service data, and if the comparison result is inconsistent, the first network retransmits the original service data.
According to some embodiments of the invention, the first recognition device, the second recognition device, the third recognition device comprise fixed-focus high-definition cameras; the display data of the second display device includes at least one of the original service data, the second specific pattern, or the third specific pattern.
The data transmission method between networks according to the embodiment of the invention at least has the following beneficial effects: the method for the safe inter-network communication is provided, the networks are physically isolated, the risk that the internal network is attacked is thoroughly eradicated, meanwhile, the partial networks can mutually communicate, and the correct transmission of data is ensured; in order to ensure the data security of the internal network, the invention also can safely store the sensitive data in another network by the communication method.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic flow chart of a method according to an embodiment of the present invention;
FIG. 2 is a flowchart illustrating a first rule method according to an embodiment of the invention;
FIG. 3 is a flowchart illustrating a second rule method according to an embodiment of the invention;
FIG. 4 is a second flowchart of a method according to an embodiment of the present invention;
FIG. 5 is a block diagram of the modules of the system of an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and more than, less than, more than, etc. are understood as excluding the present number, and more than, less than, etc. are understood as including the present number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
Referring to fig. 1, fig. 1 shows one of the flow diagrams of the method of an embodiment of the present invention, which includes the steps of: receiving data information displayed by a first network in a first specific pattern generated by a first rule; analyzing the first specific pattern according to a second rule to form original service data, and displaying the original service data through display equipment after reading the original service data; transmitting the original service data to a second network data transmission service; processing the original service data through a first rule to form a second specific pattern, and transmitting the second specific pattern to a third network; wherein, the first network, the second network and the third network are physically isolated, the first network and the second network are in two-way communication, the second network and the third network are in one-way communication, it should be noted that, in some embodiments of the present invention, the first network may be a mobile internet, an internet, the second network may be an internal network, such as a government affairs network, a tax internal network, a bank internal network, and the third network is a third party network, data information is transmitted between the networks by means of a specific pattern, which ensures the high efficiency and the security of data information transmission, the physical isolation between the networks eliminates the risk of the internal network being attacked, the third network ensures the security and the restorability of sensitive data, it can be understood that, in order to ensure the security of the data itself, in some embodiments, data is encrypted in the process, in the forming process of the specific pattern, the specific pattern is subjected to information hiding according to a certain rule, so that the safety of data transmission between networks is realized to the maximum extent.
Referring to fig. 2, fig. 2 is a schematic flowchart illustrating a first rule method according to an embodiment of the present invention, where as shown in the figure, the first rule method according to the embodiment of the present invention includes: the original service data are compressed and encrypted and then grouped into a plurality of data packets, the serial number, the key and the effective identification of the data packets of each data packet are embedded, the data packets are coded and displayed in a specific pattern according to a screen display rule, and it can be understood that in order to achieve high efficiency of data transmission, compression operation on the data is necessary in the data transmission process, the adopted compression algorithm is reasonably selected according to the sensitivity of the transmitted data and the size of the data quantity, different encryption modes can be selected according to actual conditions for the encryption algorithm of the data, and in some embodiments of the invention, interleaving processing is also performed on the data.
Referring to fig. 3, fig. 3 is a flowchart illustrating a second rule method according to an embodiment of the present invention, where as shown in the figure, the second rule method according to the embodiment of the present invention includes: identifying and decoding the specific pattern according to a screen display rule to form a first data stream, wherein the first data stream comprises a ciphertext, a secret key, a data packet number and a data packet effective identifier; decrypting the first data flow to generate a second data flow, and packaging and decompressing the second data flow to generate original service data; the specific pattern includes a first specific pattern and a second specific pattern, it should be noted that the method of the second rule is an inverse process of the method of the first rule, and original service data to be actually transmitted, which is hidden in the specific pattern, can be restored by the method of the second rule.
In some embodiments of the present invention, the screen display rule is that the size of the display pattern is determined according to the resolution of the display screen, the size of each set of data, the display pattern includes a functional pattern area and a data pattern area, the functional pattern area includes a positioning pattern, a correction pattern and a position detection pattern, the position detection pattern is respectively located at the upper left corner, the upper right corner and the lower left corner of the specific pattern, the data pattern area records specific data information, it is understood that the main function of the functional pattern area is to play a positioning role, in some embodiments of the present invention, the positioning pattern is composed of two black and white lines, which are alternate with black and white, so as to determine a specific angle and correct distortion, the correction pattern can be composed of a plurality of black and white small square nests, which are alternate with black and white, so as to determine the center and correct distortion, and the position detection pattern is composed of, the pattern can be a square, a circle or a diamond, and is respectively positioned at the upper left corner, the upper right corner and the lower left corner of the specific pattern, so as to determine the size and the position of the specific pattern.
In some embodiments of the present invention, the data pattern area and the setting pattern are hidden according to the security level of the data information, it should be noted that there may be many sets of setting patterns, the setting pattern is a pattern with good robustness after digital image processing, and has stronger immunity to noise interference, and different sets of setting patterns are selected for hiding information according to the sensitivity level of the transmitted data.
Referring to fig. 4, fig. 4 shows a second schematic flow chart of the method of the embodiment of the invention, as shown, the method of the embodiment of the invention comprises the following steps: receiving feedback information displayed by the second network in a third specific pattern, wherein the feedback information is displayed through the display equipment; analyzing the third specific pattern according to a second rule to obtain feedback data, and transmitting the feedback data to the first network for processing; in some embodiments of the present invention, the second network generates a third specific pattern from the feedback information according to the first rule and displays the third specific pattern on the display device, the first network reads the third specific pattern displayed on the display device of the second network through the recognition device, restores the feedback data through the second rule for analysis, and starts to transmit the next data stream if the information contained in the feedback data is received correctly, and retransmits the corresponding data stream if the information contained in the feedback data is received incorrectly. By transmitting feedback data, quasi-certainty of data transfer can be ensured.
In some embodiments of the present invention, the third network parses the second specific pattern according to the second rule to form the original service data, and then performs distributed storage, where it is understood that the third network is a third-party network, and is set for protecting sensitive data, and in order to ensure the security of data and the security of the network, the third network can only be in one-way communication, and can only receive data and cannot send data to the outside.
Referring to fig. 5, fig. 5 shows a block schematic diagram of modules of a system of an embodiment of the invention, as shown, including: the first subsystem comprises a first network, a first display device and a first reading device, wherein the first network is used for processing original service data according to a first rule, generating a first specific pattern and displaying the first specific pattern on the first display device; the second subsystem comprises a second network, a second display device and a second reading device, wherein the second network is used for receiving the first specific pattern read by the second reading device, analyzing the first specific pattern according to a second rule to form original service data, displaying the original service data through the second display device and/or processing the original service data according to the first rule to form a second specific pattern, and transmitting the second specific pattern to a third network; the third subsystem comprises a third network and third reading equipment, wherein the third network is used for receiving a second specific pattern read by the third reading equipment, analyzing the second specific pattern according to a second rule to form original service data and then performing distributed storage; the first network, the second network and the third network are physically isolated, bidirectional communication can be carried out between the first network and the second network, and unidirectional communication can be carried out between the second network and the third network.
In some embodiments of the invention, the first sensing device receives feedback information displayed by the second display device in a third specific pattern; the first network analyzes the third specific pattern according to the second rule to obtain feedback data, and compares the feedback data with the original service data, if the comparison result is inconsistent, the first network retransmits the data information.
In some embodiments of the invention, the first recognition device, the second recognition device, and the third recognition device comprise fixed-focus high-definition cameras; the display data of the second display device includes at least one of the original service data, the second specific pattern or the third specific pattern, and it should be noted that the fixed-focus high-definition camera can capture the specific pattern displayed on the display device at a speed of 20-30 frames per second for analysis, so as to implement high-speed transmission of data.
In some embodiments of the present invention, the first network and the second network may be in an interactive manner in the same space, specifically, for example, a field office manner of a government affair system, or in an interactive manner not in the same space, in which the first network and the second network may transmit the generated specific pattern through a wireless network, and the wireless network may be a mobile internet, and may be a 4G network or a 5G network, and the wireless network may transmit only the specific pattern, and in some embodiments, data in the specific pattern is encrypted, and the specific pattern is hidden, so that security of transmission of the specific pattern between the wireless networks can be ensured.
A specific embodiment, such as a short message sending platform of the military frontier defense internal system. The short message platform intranet program extracts the ID number of the unit to be sent from the intranet, generates and displays a specific pattern, and generates a plurality of groups of specific patterns if short messages need to be sent to a plurality of units in a group. The short message sending platform external network imports the content of the specific pattern into the external network through the recognition equipment and sends the notification information to the confidential personnel of each unit by using the short message pool. When the specific pattern is generated, the information is encrypted according to the requirement, so that the safety is enhanced. By the mode, hundreds of notification short messages can be sent out within 5 minutes, and the working efficiency is greatly improved.
Although specific embodiments have been described herein, those of ordinary skill in the art will recognize that many other modifications or alternative embodiments are equally within the scope of this disclosure. For example, any of the functions and/or processing capabilities described in connection with a particular device or component may be performed by any other device or component. In addition, while various illustrative implementations and architectures have been described in accordance with embodiments of the present disclosure, those of ordinary skill in the art will recognize that many other modifications of the illustrative implementations and architectures described herein are also within the scope of the present disclosure.
Certain aspects of the present disclosure are described above with reference to block diagrams and flowchart illustrations of systems, methods, systems, and/or computer program products according to example embodiments. It will be understood that one or more blocks of the block diagrams and flowchart illustrations, and combinations of blocks in the block diagrams and flowchart illustrations, respectively, can be implemented by executing computer-executable program instructions. Also, according to some embodiments, some blocks of the block diagrams and flow diagrams may not necessarily be performed in the order shown, or may not necessarily be performed in their entirety. In addition, additional components and/or operations beyond those shown in the block diagrams and flow diagrams may be present in certain embodiments.
Accordingly, blocks of the block diagrams and flowchart illustrations support combinations of means for performing the specified functions, combinations of elements or steps for performing the specified functions and program instruction means for performing the specified functions. It will also be understood that each block of the block diagrams and flowchart illustrations, and combinations of blocks in the block diagrams and flowchart illustrations, can be implemented by special purpose hardware-based computer systems that perform the specified functions, elements or steps, or combinations of special purpose hardware and computer instructions.
Program modules, applications, etc. described herein may include one or more software components, including, for example, software objects, methods, data structures, etc. Each such software component may include computer-executable instructions that, in response to execution, cause at least a portion of the functionality described herein (e.g., one or more operations of the illustrative methods described herein) to be performed.
The software components may be encoded in any of a variety of programming languages. An illustrative programming language may be a low-level programming language, such as assembly language associated with a particular hardware architecture and/or operating system platform. Software components that include assembly language instructions may need to be converted by an assembler program into executable machine code prior to execution by a hardware architecture and/or platform. Another exemplary programming language may be a higher level programming language, which may be portable across a variety of architectures. Software components that include higher level programming languages may need to be converted to an intermediate representation by an interpreter or compiler before execution. Other examples of programming languages include, but are not limited to, a macro language, a shell or command language, a job control language, a scripting language, a database query or search language, or a report writing language. In one or more exemplary embodiments, a software component containing instructions of one of the above programming language examples may be executed directly by an operating system or other software component without first being converted to another form.
The software components may be stored as files or other data storage constructs. Software components of similar types or related functionality may be stored together, such as in a particular directory, folder, or library. Software components may be static (e.g., preset or fixed) or dynamic (e.g., created or modified at execution time).
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (10)
1. A method for data transmission between networks is characterized by comprising the following steps:
receiving data information displayed by a first network in a first specific pattern generated by a first rule;
analyzing the first specific pattern according to a second rule to form original service data, and displaying the original service data through display equipment after reading the original service data;
transmitting the original service data to a second network data transmission service;
processing the original service data through the first rule to form a second specific pattern, and transmitting the second specific pattern to a third network;
the first network, the second network and the third network are physically isolated, the first network and the second network are in bidirectional communication, and the second network and the third network are in unidirectional communication.
2. The method according to claim 1, wherein the first rule comprises: and compressing and encrypting the original service data, grouping the original service data into a plurality of data packets, embedding the serial number, the key and the effective identifier of the data packet into each data packet, coding the data packets, and displaying the data packets in a specific pattern according to a screen display rule.
3. The method according to claim 1, wherein the second rule comprises:
identifying and decoding a specific pattern according to a screen display rule to form a first data stream, wherein the first data stream comprises a ciphertext, a secret key, a data packet number and a data packet effective identifier;
decrypting the first data stream to generate a second data stream;
packing and decompressing the second data stream to generate the original service data;
wherein the specific patterns comprise the first specific pattern, the second specific pattern and a third specific pattern.
4. The method according to any one of claims 2 or 3, wherein the screen display rule is that the size of a display pattern is determined according to the resolution size of a display screen and the size of each set of data, the display pattern includes a functional pattern area and a data pattern area, the functional pattern area includes a positioning pattern, a correction pattern, and a position detection pattern, the position detection pattern is respectively located at an upper left corner, an upper right corner, and a lower left corner of the specific pattern, and the data pattern area records specific data information.
5. The method according to claim 4, wherein the data pattern area and the predetermined pattern are hidden according to a security level of the data information.
6. The inter-network data transmission method according to claim 1, further comprising the steps of:
receiving feedback information displayed in a third specific pattern by the second network, wherein the feedback information is displayed through a display device;
analyzing the third specific pattern according to the second rule to obtain feedback data, and transmitting the feedback data to the first network for processing;
and the first network compares the feedback data with the original service data, and if the comparison result is inconsistent, the first network retransmits the data information.
7. The method according to claim 1, wherein the third network parses the second specific pattern according to a second rule to form original service data, and then performs distributed storage.
8. An inter-network data transmission system, comprising:
the first subsystem comprises a first network, a first display device and a first reading device, wherein the first network is used for processing original service data according to a first rule, generating a first specific pattern and displaying the first specific pattern on the first display device;
the second subsystem comprises a second network, a second display device and a second reading device, wherein the second network is used for receiving the first specific pattern read by the second reading device, analyzing the first specific pattern according to a second rule to form the original service data, displaying the original service data through the second display device and/or processing the original service data according to the first rule to form a second specific pattern, and transmitting the second specific pattern to a third network;
the third subsystem comprises the third network and a third reading device, wherein the third network is used for receiving the second specific pattern read by the third reading device, analyzing the second specific pattern according to the second rule to form the original service data and then performing distributed storage;
the first network, the second network and the third network are physically isolated, the first network and the second network are in bidirectional communication, and the second network and the third network are in unidirectional communication.
9. The inter-network data transmission system according to claim 8,
the first reading device receives feedback information displayed by the second display device and represented by a third specific pattern;
and the first network analyzes the third specific pattern according to the second rule to obtain feedback data, and compares the feedback data with the original service data, and if the comparison result is inconsistent, the first network retransmits the original service data.
10. The inter-network data transmission system according to claim 9, characterized in that:
the first reading device, the second reading device and the third reading device comprise fixed-focus high-definition cameras;
the display data of the second display device includes at least one of the original service data, the second specific pattern, or the third specific pattern.
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| CN202011126093.4A CN112383587A (en) | 2020-10-20 | 2020-10-20 | Data transmission method and data transmission system between networks |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113194081A (en) * | 2021-04-25 | 2021-07-30 | 武汉烽火信息集成技术有限公司 | One-way message transmission system and method suitable for physical isolation environment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113194081A (en) * | 2021-04-25 | 2021-07-30 | 武汉烽火信息集成技术有限公司 | One-way message transmission system and method suitable for physical isolation environment |
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Application publication date: 20210219 |