CN111404962B - Federation link point data transmission method, equipment and storage medium - Google Patents
Federation link point data transmission method, equipment and storage medium Download PDFInfo
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- CN111404962B CN111404962B CN202010225727.5A CN202010225727A CN111404962B CN 111404962 B CN111404962 B CN 111404962B CN 202010225727 A CN202010225727 A CN 202010225727A CN 111404962 B CN111404962 B CN 111404962B
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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
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/46—Interconnection of 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
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
- H04L63/0435—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload wherein the sending and receiving network entities apply symmetric encryption, i.e. same key used for encryption and decryption
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
- H04L63/0442—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload wherein the sending and receiving network entities apply asymmetric encryption, i.e. different keys for encryption and decryption
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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
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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
- H04L67/104—Peer-to-peer [P2P] networks
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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
Abstract
The invention provides an allied link point data transmission method, equipment and a storage medium, wherein the method comprises the following steps: in response to sending first data to a second federation chain node of the current federation chain located in a second local area network, generating first encryption information from the first data; the method comprises the steps of generating a first parallel chain transaction of a first parallel chain comprising first encryption information, sending the first parallel chain transaction to a first parallel chain node or a first main chain node of the first parallel chain, so that the first parallel chain transaction is recorded on the main chain, so that a second parallel chain node of the first parallel chain synchronizes the first parallel chain transaction from a second main chain node, and the first parallel chain transaction is recorded on the first parallel chain, so that a second interlink node requests the first parallel chain transaction from the second parallel chain node, and after receiving the returned first parallel chain transaction, decrypting the first encryption information to obtain first data. The method and the device enable data transmission between different alliance chain nodes of the same alliance chain in different local area networks to be reliable and efficient.
Description
Technical Field
The application relates to the technical field of block chains and the like, in particular to an allied link point data transmission method, equipment and a storage medium.
Background
Deployment nodes of the same federation chain require interworking between networks. If enterprise A deploys a alliance chain node A, enterprise B deploys an alliance chain node B, and for safety and other factors, enterprise A and enterprise B deploy node A and node B in respective local area networks. In order for node a and node B to communicate data with each other, the first method is to perform NAT traversal by means of a centralized server, and the second method is to use relay interconnection technology of intermediate node forwarding.
The first method cannot guarantee the reliability of the data of the centralized server; the second method takes a long time and is inefficient in data transmission.
Disclosure of Invention
In view of the above-mentioned drawbacks and deficiencies in the prior art, it is desirable to provide a federation link point data transmission method, apparatus, and storage medium with reliable data and efficient data transmission.
In a first aspect, the present invention provides a federation link node data transmission method suitable for a federation link node located in a first local area network, where a parallel link node and a main link node are both public network nodes, where the method includes:
in response to sending first data to a second federation chain node of the current federation chain located in a second local area network, generating first encryption information from the first data;
the method comprises the steps of generating a first parallel chain transaction of a first parallel chain comprising first encryption information, sending the first parallel chain transaction to a first parallel chain node or a first main chain node of the first parallel chain, so that the first parallel chain transaction is recorded on the main chain, so that a second parallel chain node of the first parallel chain synchronizes the first parallel chain transaction from a second main chain node, and the first parallel chain transaction is recorded on the first parallel chain, so that a second interlink node requests the first parallel chain transaction from the second parallel chain node, and after receiving the returned first parallel chain transaction, decrypting the first encryption information to obtain first data.
In a second aspect, the present invention provides a federation link point data transmission method suitable for federation link nodes located in a first local area network, where block link points are all public network nodes, where the method includes:
in response to sending first data to a second federation chain node of the current federation chain located in a second local area network, generating first encryption information from the first data;
and generating a first transaction comprising first encryption information and sending the first transaction to a first block chain node of a first block chain, so that the first transaction is recorded on the first block chain, a second union chain node requests the first transaction from a second block chain node of the first block chain, and the first encryption information is decrypted after the returned first transaction is received to obtain first data.
In a third aspect, the present disclosure also provides an apparatus comprising one or more processors and memory, wherein the memory contains instructions executable by the one or more processors to cause the one or more processors to perform a federation link point data transmission method provided according to embodiments of the present disclosure.
In a fourth aspect, the present invention also provides a storage medium storing a computer program that causes a computer to execute a federation link point data transmission method provided according to embodiments of the present invention.
In the federation link point data transmission method, equipment and storage medium provided by the embodiments of the present invention, first data is sent to a second federation chain node located in a second local area network of a current federation chain in response to a response, and first encryption information is generated according to the first data; the method comprises the steps of generating a first parallel chain transaction of a first parallel chain comprising first encryption information, sending the first parallel chain transaction to a first parallel chain node or a first main chain node of the first parallel chain, recording the first parallel chain transaction on a main chain, enabling a second parallel chain node of the first parallel chain to synchronize the first parallel chain transaction from a second main chain node and record the first parallel chain transaction on the first parallel chain, enabling a second alliance chain node to request the first parallel chain transaction from the second parallel chain node, and decrypting the first encryption information after receiving the returned first parallel chain transaction to obtain first data, so that data transmission between different alliance chain nodes of the same alliance chain in different local area networks is reliable and efficient.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
fig. 1 is a schematic diagram of a federation link point data transmission scenario according to an embodiment of the present invention.
Fig. 2 is a flowchart of an allied link point data transmission method according to an embodiment of the present invention.
FIG. 3 is a diagram illustrating another scenario of data transmission of federation link nodes according to an embodiment of the present invention.
Fig. 4 is a flowchart of another federation link point data transmission method according to an embodiment of the present invention.
Fig. 5 is a schematic structural diagram of an apparatus according to an embodiment of the present invention.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Fig. 1 is a schematic diagram of a federation link point data transmission scenario according to an embodiment of the present invention. As shown in fig. 1, in the present embodiment, a user M deploys a federation chain node _ M in a first local area network, and a user N deploys a federation chain node _ N in a second local area network; the parallel chain nodes and the main chain nodes are public network nodes. The federation link point data transmission method provided by the invention is specifically explained in the following with reference to fig. 2.
Fig. 2 is a flowchart of an allied link point data transmission method according to an embodiment of the present invention. As shown in fig. 2, in this embodiment, the present invention provides a federation link node data transmission method suitable for being located in a first local area network, where a parallel link node and a main link node are both public network nodes, where the method includes:
s12: in response to sending first data to a second federation chain node of the current federation chain located in a second local area network, generating first encryption information from the first data;
s14: the method comprises the steps of generating a first parallel chain transaction of a first parallel chain comprising first encryption information, sending the first parallel chain transaction to a first parallel chain node or a first main chain node of the first parallel chain, so that the first parallel chain transaction is recorded on the main chain, so that a second parallel chain node of the first parallel chain synchronizes the first parallel chain transaction from a second main chain node, and the first parallel chain transaction is recorded on the first parallel chain, so that a second interlink node requests the first parallel chain transaction from the second parallel chain node, and after receiving the returned first parallel chain transaction, decrypting the first encryption information to obtain first data.
Specifically, taking the application scenario shown in fig. 1 as an example, it is assumed that the first encryption information is generated by encrypting the public key of the second federation link node;
the user M sends the first data to the user N, the ConNode _ M executes the step S12, encrypts the first data according to Pub (ConNode _ N) to generate first encryption information;
the Node _ m executes step S14 to generate a first parallel-link transaction tx1 including the first encrypted information, and sends it directly to Node _ a (tx1 may also send it to P1_ Node _ a first, and then to Node _ a from P1_ Node _ a);
node _ a broadcasts tx1 to other backbone nodes of the backbone over a P2P network, each backbone Node recording tx1 to the backbone when tx1 is executed;
p1_ Node _ B synchronizes tx1 from Node _ B and records tx1 onto the first parallel chain;
the Node _ N requests the P1_ Node _ b for tx1 (specifically, the Node _ N requests the P1_ Node _ b for the block information of the parallel link block to be requested of the first parallel link, and finds tx1 from the requested block information), and after the Node _ N acquires tx1 from the P1_ Node _ b, decrypts the first encrypted information with the private key Pri (Node _ N), and acquires the first data.
ConNode _ N stores the block height of the parallel chain block with the highest middle block height of the requested block information.
The above embodiment describes the federation link point data transmission method provided by the present invention in detail by taking as an example that the first encryption information is generated by encrypting according to the public key of the second federation link node; in more embodiments, the first encryption information may also be encrypted by using a symmetric key agreed with the user N according to actual requirements, so that the same technical effect may be achieved.
The above-described embodiments enable reliable and efficient data transmission between different federation chain nodes of the same federation chain in different local area networks.
Preferably, the first encryption information is generated based on public key encryption of the second federation chain node.
The principle of the federation link point data transmission of the above embodiment may refer to the method shown in fig. 2, and is not described herein again.
FIG. 3 is a diagram illustrating another scenario of data transmission of federation link nodes according to an embodiment of the present invention. As shown in fig. 3, in the present embodiment, a user X deploys a federation link point ConNode _ X in the first local area network, and a user Y deploys a federation link point ConNode _ Y in the second local area network; the block link points are all public network nodes. The federation link point data transmission method provided by the invention is specifically explained in the following with reference to fig. 4.
Fig. 4 is a flowchart of another federation link point data transmission method according to an embodiment of the present invention. As shown in fig. 4, in this embodiment, the present invention provides a federation link point data transmission method suitable for federation link nodes located in a first local area network, where block link points are all public network nodes, where the method includes:
s22: in response to sending first data to a second federation chain node of the current federation chain located in a second local area network, generating first encryption information from the first data;
s24: and generating a first transaction comprising first encryption information and sending the first transaction to a first block chain node of a first block chain, so that the first transaction is recorded on the first block chain, a second union chain node requests the first transaction from a second block chain node of the first block chain, and the first encryption information is decrypted after the returned first transaction is received to obtain first data.
Specifically, taking the application scenario shown in fig. 3 as an example, it is assumed that the first encryption information is generated by encrypting the public key of the second federation link node;
user X sends first data to user Y, ConNode _ X executes step S22, encrypts the first data according to Pub (ConNode _ Y) to generate first encryption information;
ConNode _ x performs step S24, generates a first transaction tx2 including first encryption information and sends to Node _ C;
node _ C broadcasts tx2 to the block link points of the other first block chain of the main chain through the P2P network, each block chain Node recording tx2 onto the first block chain when tx2 is executed;
the Node _ y requests tx2 from Node _ D (specifically, the Node _ y requests Node _ D for the block information of the block to be requested of the first block chain, and finds tx2 from the requested block information), after the Node _ y obtains tx2, the Node _ y decrypts the first encrypted information with the private key Pri (Node _ y), and obtains the first data.
ConNode _ y stores the block height of the parallel chain block with the highest middle block height of the requested block information.
The above embodiment describes the federation link point data transmission method provided by the present invention in detail by taking as an example that the first encryption information is generated by encrypting according to the public key of the second federation link node; in more embodiments, the first encryption information may also be encrypted by using a symmetric key agreed with the user Y according to actual requirements, so that the same technical effect may be achieved.
The above-described embodiments enable reliable and efficient data transmission between different federation chain nodes of the same federation chain in different local area networks.
Preferably, the first encryption information is generated from public key encryption of the second federation link node.
The principle of the federation link point data transmission of the above embodiment may refer to the method shown in fig. 4, and is not described herein again.
Fig. 5 is a schematic structural diagram of an apparatus according to an embodiment of the present invention. As shown in fig. 5, as another aspect, the present application also provides an apparatus 500 including one or more Central Processing Units (CPUs) 501 that can perform various appropriate actions and processes according to a program stored in a Read Only Memory (ROM)502 or a program loaded from a storage section 508 into a Random Access Memory (RAM) 503. In the RAM503, various programs and data necessary for the operation of the apparatus 500 are also stored. The CPU501, ROM502, and RAM503 are connected to each other via a bus 504. An input/output (I/O) interface 505 is also connected to bus 504.
The following components are connected to the I/O interface 505: an input portion 506 including a keyboard, a mouse, and the like; an output portion 507 including a display such as a Cathode Ray Tube (CRT), a Liquid Crystal Display (LCD), and the like, and a speaker; a storage portion 508 including a hard disk and the like; and a communication section 509 including a network interface card such as a LAN card, a modem, or the like. The communication section 509 performs communication processing via a network such as the internet. The driver 510 is also connected to the I/O interface 505 as necessary. A removable medium 511 such as a magnetic disk, an optical disk, a magneto-optical disk, a semiconductor memory, or the like is mounted on the drive 510 as necessary, so that a computer program read out therefrom is mounted into the storage section 508 as necessary.
In particular, according to an embodiment of the present disclosure, the method described in any of the above embodiments may be implemented as a computer software program. For example, embodiments of the present disclosure include a computer program product comprising a computer program tangibly embodied on a machine-readable medium, the computer program comprising program code for performing any of the methods described above. In such an embodiment, the computer program may be downloaded and installed from a network through the communication section 509, and/or installed from the removable medium 511.
As yet another aspect, the present application also provides a computer-readable storage medium, which may be the computer-readable storage medium included in the apparatus of the above-described embodiment; or it may be a separate computer readable storage medium not incorporated into the device. The computer readable storage medium stores one or more programs for use by one or more processors in performing the methods described in the present application.
The flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present invention. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
The units or modules described in the embodiments of the present application may be implemented by software or hardware. The described units or modules may also be provided in a processor, for example, each of the described units may be a software program provided in a computer or a mobile intelligent device, or may be a separately configured hardware device. Wherein the designation of a unit or module does not in some way constitute a limitation of the unit or module itself.
The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by those skilled in the art that the scope of the invention herein disclosed is not limited to the particular combination of features described above, but also encompasses other arrangements formed by any combination of the above features or their equivalents without departing from the spirit of the present application. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Claims (4)
1. An alliance link point data transmission method is suitable for alliance link nodes located in a first local area network, and parallel link nodes and main chain nodes are public network nodes, and the method comprises the following steps:
in response to sending first data to a second federation chain node of a current federation chain located in a second local area network, generating first encryption information from the first data;
generating a first parallel chain transaction of a first parallel chain comprising the first encryption information, sending the first parallel chain transaction to a first parallel chain node or a first main chain node of the first parallel chain, so as to record the first parallel chain transaction on a main chain, so that a second parallel chain node of the first parallel chain synchronizes the first parallel chain transaction from a second main chain node, and records the first parallel chain transaction on the first parallel chain, so that the second interlink node requests the first parallel chain transaction from the second parallel chain node, and after receiving the returned first parallel chain transaction, decrypting the first encryption information to obtain the first data.
2. The method of claim 1, wherein the first encryption information is generated based on public key encryption of a second federation link node.
3. An apparatus, characterized in that the apparatus comprises:
one or more processors;
a memory for storing one or more programs,
the one or more programs, when executed by the one or more processors, cause the one or more processors to perform the method recited in any of claims 1-2.
4. A storage medium storing a computer program, characterized in that the program, when executed by a processor, implements the method according to any one of claims 1-2.
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