CN109981305B - Group communication method, apparatus and computer-readable storage medium - Google Patents
Group communication method, apparatus and computer-readable storage medium Download PDFInfo
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- CN109981305B CN109981305B CN201910210201.7A CN201910210201A CN109981305B CN 109981305 B CN109981305 B CN 109981305B CN 201910210201 A CN201910210201 A CN 201910210201A CN 109981305 B CN109981305 B CN 109981305B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/16—Arrangements for providing special services to substations
- H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/16—Arrangements for providing special services to substations
- H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
- H04L12/185—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast with management of multicast group membership
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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
- H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
- H04L9/0643—Hash functions, e.g. MD5, SHA, HMAC or f9 MAC
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/3247—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving digital signatures
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Abstract
The embodiment of the invention provides a group communication method, group communication equipment and a computer readable storage medium. The group registration message is sent in the blockchain network by the group initiating node, so that the group participating node invited by the group initiating node can join the group established by the group initiating node, the group initiating node can forward the information of any participating node in the group to other participating nodes, meanwhile, the nodes outside the group can also obtain the group registration message of the group through a blockchain account book in the blockchain network, join the group and receive the group information sent by the group initiating node, and the purpose of carrying out group communication according to the blockchain is achieved.
Description
Technical Field
Embodiments of the present invention relate to the field of communications technologies, and in particular, to a group communication method, a device, and a computer-readable storage medium.
Background
The domain name system of the blockchain is generally corresponding to a public chain, for example, the domain name system NNS of the NEO is a domain name service system corresponding to the NEO platform called by the domestic etherhouse, and the de-centralized, open-source and extensible domain name service system is terminated by the NEO suffix. It is said that decentralization is a big feature of block chains, and traditional domain names are centralized, that is, there is a center that has authority to shut down you at any time. The blockchain domain name is recorded on the chain, and simply, the domain name system NNS of NEO is registered, and various processes such as auction, pricing, obtaining, expiration and continuation are automatically executed by the intelligent contract, so that the blockchain domain name is more public and transparent.
The current domain name block chain can only inquire an IP address corresponding to a certain domain name, and construct point-to-point communication or multi-point-to-point communication. But in practical application, group communication is often required to be constructed, and broadcasting is carried out in a group. Therefore, how to implement group communication according to the domain name block chain is a problem that needs to be solved.
Disclosure of Invention
The embodiment of the invention provides a group communication method, equipment and a computer readable storage medium, which aim to realize the purpose of group communication according to a block chain.
In a first aspect, an embodiment of the present invention provides a group communication method, including:
a group initiating node sends a group registration message in a blockchain network, wherein the group registration message comprises a blockchain identifier of a group participating node, an identifier of group communication, a client downloading address or a client file and a hash value corresponding to the client downloading address or the client file;
the group initiating node receives group joining confirmation information sent by a first participating node in the group;
the group initiating node receives group information from other participating nodes in the group and forwards the group information to the first participating node;
the group initiating node receives group joining request information sent by a second participating node outside the group;
when the group initiating node confirms that the second participating node joins the group, the group initiating node sends a broadcast message in a blockchain network, wherein the broadcast message comprises a blockchain identifier of the second participating node, an identifier of group communication, a client download address or a client file, and a hash value corresponding to the client download address or the client file.
In a second aspect, an embodiment of the present invention provides a group originating node, including:
a memory;
a processor;
a communication interface; and
a computer program;
wherein the computer program is stored in the memory and configured to be executed by the processor to:
sending a group registration message in the blockchain network through the communication interface, wherein the group registration message comprises a blockchain identifier of a group participation node, an identifier of group communication, a client download address or a client file and a hash value corresponding to the client download address or the client file;
receiving group joining confirmation information sent by a first participating node in the group through the communication interface;
receiving group information from other participating nodes in the group through the communication interface, and forwarding the group information to the first participating node;
receiving group joining request information sent by a second participating node outside the group through the communication interface;
and when the second participating node is confirmed to join the group, sending a broadcast message in the blockchain network through the communication interface, wherein the broadcast message comprises a blockchain identifier of the second participating node, an identifier of group communication, a client downloading address or a client file, and a hash value corresponding to the client downloading address or the client file.
In a third aspect, an embodiment of the present invention provides a computer-readable storage medium, on which a computer program is stored, where the computer program is executed by a processor to implement the method in the first aspect.
The group communication method, the device and the computer readable storage medium provided by the embodiment of the invention have the advantages that the group registration message is sent in the blockchain network by the group initiating node, so that the group participating node invited by the group initiating node can join the group established by the group initiating node, the group initiating node can forward the information of any participating node in the group to other participating nodes, meanwhile, the nodes outside the group can also obtain the group registration message of the group through a blockchain account book in the blockchain network, join the group and receive the group information sent by the group initiating node, and the purpose of carrying out group communication according to the blockchain is realized.
Drawings
Fig. 1 is a schematic diagram of a communication system according to an embodiment of the present invention;
fig. 2 is a flowchart of a group communication method according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a group initiating node according to an embodiment of the present invention.
With the foregoing drawings in mind, certain embodiments of the disclosure have been shown and described in more detail below. These drawings and written description are not intended to limit the scope of the disclosed concepts in any way, but rather to illustrate the concepts of the disclosure to those skilled in the art by reference to specific embodiments.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.
The group communication method provided by the embodiment of the invention can be applied to the communication system shown in fig. 1. As shown in fig. 1, the communication system includes: initiating node a, participating node B, participating node C, participating node D, participating node E and accounting node. Originating node a, participating node B, participating node C, participating node D, participating node E and accounting nodes may be nodes in a blockchain network. It is understood that the communication system shown in fig. 1 is only an illustrative example, and the present embodiment is not limited to a specific communication system. Optionally, the blockchain network may be a domain name blockchain network.
The group communication method provided by the embodiment of the invention aims to solve the technical problems in the prior art.
The following describes the technical solutions of the present invention and how to solve the above technical problems with specific embodiments. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments. Embodiments of the present invention will be described below with reference to the accompanying drawings.
Fig. 2 is a flowchart of a group communication method according to an embodiment of the present invention. The embodiment of the invention provides a group communication method aiming at the technical problems in the prior art, which comprises the following specific steps:
In this embodiment, the group initiating node may specifically be the initiating node a shown in fig. 1, and the group participating node may specifically be at least one of the participating nodes B, C, D and E shown in fig. 1. The initiating node a may establish a group, and the initiating node a may obtain, through the blockchain, blockchain identifiers of all participating nodes participating in the group.
When an initiating node a needs to create a group, the initiating node a sends a group registration message in the blockchain network, specifically, the initiating node a may send the group registration message in a broadcast manner. The group registration message includes the blockchain identifiers of all participating nodes, the identifier of group communication, the client download address or the client file, and the hash value corresponding to the client download address or the client file (the hash value of the client download address or the client file is calculated in a client download address mode or a direct client file mode). Specifically, the originating node a may sign the group registration message through its own private key, and send the signed group registration message to the blockchain network.
When the accounting node in the block chain network receives the signed group registration message, the accounting node may decrypt the signed group registration message by using the public key of the originating node a to obtain the group registration message. Further, the originating node a may send the original group registration message to the accounting node, which compares the decrypted group registration message with the original group registration message, and if the two are consistent, it indicates that the signed group registration message is really sent by the originating node a, and the signed group registration message is authentic. When the accounting node determines to sign the group registration message, the adopted private key is indeed the private key of the originating node a. Further, the accounting node records the group registration message in a blockchain ledger.
Assume that the participating nodes B, D, E shown in fig. 1 are the participating nodes that the initiating node a invites to participate in the group when the initiating node a establishes the group. The participating node C is not a participating node that the initiating node a invites to participate in the group when the initiating node a establishes the group.
When any one of the participating node B, the participating node D, and the participating node E finds the group registration message sent by the initiating node a in a certain block in the blockchain ledger, if it is determined to join the group, the client may be downloaded according to the client download address in the group registration message, and the client is operated. For example, when the participating node B agrees to join the group, the client is downloaded according to the client download address in the group registration message and operates the client. Alternatively, if the participating node B has installed the client, the client may be run directly. Here, the participating node B may be denoted as the first participating node.
When the participating node B operates the client, the participating node B may set whether to receive the group message through the client, and the client may be provided with a user interface on which a user of the participating node B may set whether to receive the group message. When the user sets to receive the group message at the user interface, the participating node B may send the group join acknowledgement information to the originating node a, so that the originating node a may send the group message to the participating node B. When the user sets not to receive the group message at the user interface, the participating node bs automatically ignore the group message.
Optionally, the group initiating node and the group participating node form a star connection, and a central node of the star connection is the group initiating node. As shown in fig. 1, a participating node B, a participating node D, a participating node E, and an initiating node a form a star connection, and a central node of the star connection is the initiating node a. The initiating node a may receive information sent by any one of the participating nodes and forward the information sent by the participating node to other participating nodes, that is, any one of the participating nodes may communicate with other participating nodes in the group through the initiating node a. The initiating node a is responsible for forwarding information of any one participating node to other participating nodes in the group.
In some embodiments, the method further comprises: and the group initiating node sends the online state information of other participating nodes in the group to the first participating node.
For example, initiating node a may send presence information of participating nodes D, E to participating node B.
In this embodiment, the participating node C may be marked as a second participating node, and since the participating node C is not a participating node that the initiating node a is establishing a group, the initiating node a invites the participating node that participates in the group, and therefore, after the initiating node a establishes the group, there is no participating node C in the group. However, if the participating node C also wants to join the group, the participating node C may query the blockchain ledger to obtain the group registration message sent by the originating node a, and determine that the group registration message is sent by the originating node a, and further, the participating node C may send the group join request message to the originating node a in the blockchain network.
If the initiating node A agrees to join the participating node C into the group, the initiating node A sends a broadcast message signed by a private key of the initiating node A to the blockchain network, wherein the broadcast message comprises a blockchain identifier of the participating node C, an identifier of group communication, a client download address or a client file and a hash value corresponding to the client download address or the client file.
The group registration message is sent in the blockchain network by the group initiating node, so that the group participating node invited by the group initiating node can join the group established by the group initiating node, the group initiating node can forward the information of any participating node in the group to other participating nodes, meanwhile, the nodes outside the group can also obtain the group registration message of the group through a blockchain account book in the blockchain network, join the group and receive the group information sent by the group initiating node, and the purpose of carrying out group communication according to the blockchain is achieved.
On the basis of the foregoing embodiment, the group communication method provided in this embodiment further includes: the group originating node establishes a group member list including identification information of nodes participating in the group.
For example, the initiating node a may establish a group member list according to a group registration message sent by the initiating node a and group join confirmation information sent by participating nodes in the group (e.g., group join confirmation information sent by participating nodes B, D, and E, respectively), where the group member list may include identification information of participating nodes B, D, and E participating in the group.
After the group initiating node confirms that the second participating node joins the group, the method further comprises: the group originating node updates the group member list.
For example, after the initiating node a confirms that the participating node C joins the group, the initiating node a may further update the group member list, for example, add the identification information of the participating node C in the group member list, so that the initiating node a may forward the information received by the initiating node a to all the participating nodes in the group in real time.
The embodiment of the invention establishes the group member list through the group initiating node, and updates the group member list according to the confirmation of the participating nodes joining the group, so that the group initiating node can forward the received information to all the participating nodes in the group in real time, thereby improving the communication efficiency.
Fig. 3 is a schematic structural diagram of a group initiating node according to an embodiment of the present invention. As shown in fig. 3, the group originating node 30 may execute the processing procedure provided in the group communication method embodiment, where the processing procedure is as follows: memory 31, processor 32, communication interface 33, and computer programs; wherein the computer program is stored in the memory 31 and configured to be executed by the processor 32 to: sending a group registration message in the blockchain network through the communication interface 33, where the group registration message includes a blockchain identifier of a group participating node, an identifier of group communication, a client download address or a client file, and a hash value corresponding to the client download address or the client file; receiving group join confirmation information sent by a first participating node in the group through the communication interface 33; receiving group information from other participating nodes in the group through the communication interface 33, and forwarding the group information to the first participating node; receiving group joining request information sent by a second participating node outside the group through the communication interface 33; when the second participating node is confirmed to join the group, a broadcast message is sent in the blockchain network through the communication interface 33, where the broadcast message includes a blockchain identifier of the second participating node, an identifier of group communication, a client download address or a client file, and a hash value corresponding to the client download address or the client file.
Optionally, the group initiating node and the group participating node form a star connection, and a central node of the star connection is the group initiating node.
Optionally, the processor 32 is further configured to: and sending the online status information of other participating nodes in the group to the first participating node through the communication interface 33.
Optionally, the processor 32 is further configured to: establishing a group member list, the group member list including identification information of nodes participating in the group.
Optionally, the processor 32 is further configured to: updating the group member list after confirming that the second participating node joined the group.
The group originating node in the embodiment shown in fig. 3 may be configured to execute the technical solution of the above method embodiment, and the implementation principle and the technical effect are similar, which are not described herein again.
In addition, an embodiment of the present invention further provides a computer-readable storage medium, on which a computer program is stored, where the computer program is executed by a processor to implement the group communication method described in the above embodiment.
In the embodiments provided in the present invention, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, or in a form of hardware plus a software functional unit.
The integrated unit implemented in the form of a software functional unit may be stored in a computer readable storage medium. The software functional unit is stored in a storage medium and includes several instructions to enable a computer device (which may be a personal computer, a server, or a network device) or a processor (processor) to execute some steps of the methods according to the embodiments of the present invention. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
It is obvious to those skilled in the art that, for convenience and simplicity of description, the foregoing division of the functional modules is merely used as an example, and in practical applications, the above function distribution may be performed by different functional modules according to needs, that is, the internal structure of the device is divided into different functional modules to perform all or part of the above described functions. For the specific working process of the device described above, reference may be made to the corresponding process in the foregoing method embodiment, which is not described herein again.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (11)
1. A group communication method, comprising:
a group initiating node sends a group registration message in a blockchain network, wherein the group registration message comprises a blockchain identifier of a group participating node, an identifier of group communication, a client downloading address or a client file and a hash value corresponding to the client downloading address or the client file;
the group initiating node receives group joining confirmation information sent by a first participating node in the group;
the group initiating node receives group information from other participating nodes in the group and forwards the group information to the first participating node;
when the second participating node outside the group inquires the group registration message through a blockchain account book in the blockchain network and determines that the group registration message is sent by the group initiating node, the group initiating node receives group joining request information sent by the second participating node outside the group to the group initiating node in the blockchain network;
when the group initiating node confirms that the second participating node joins the group, the group initiating node sends a broadcast message in a blockchain network, wherein the broadcast message comprises a blockchain identifier of the second participating node, an identifier of group communication, a client download address or a client file, and a hash value corresponding to the client download address or the client file.
2. The method of claim 1, wherein the group initiating node and the group participating nodes form a star connection, and wherein a central node of the star connection is the group initiating node.
3. The method according to claim 1 or 2, characterized in that the method further comprises:
and the group initiating node sends the online state information of other participating nodes in the group to the first participating node.
4. The method according to claim 1 or 2, characterized in that the method further comprises:
the group originating node establishes a group member list including identification information of nodes participating in the group.
5. The method of claim 4, wherein after the group initiating node confirms that the second participating node joined the group, the method further comprises:
the group originating node updates the group member list.
6. A group originating node, comprising:
a memory;
a processor;
a communication interface; and
a computer program;
wherein the computer program is stored in the memory and configured to be executed by the processor to:
sending a group registration message in the blockchain network through the communication interface, wherein the group registration message comprises a blockchain identifier of a group participation node, an identifier of group communication, a client download address or a client file and a hash value corresponding to the client download address or the client file;
receiving group joining confirmation information sent by a first participating node in the group through the communication interface;
receiving group information from other participating nodes in the group through the communication interface, and forwarding the group information to the first participating node;
when the second participating node outside the group inquires the group registration message through a blockchain account book in the blockchain network and determines that the group registration message is sent by the group initiating node, receiving group joining request information sent by the second participating node outside the group to the group initiating node in the blockchain network through the communication interface;
and when the second participating node is confirmed to join the group, sending a broadcast message in the blockchain network through the communication interface, wherein the broadcast message comprises a blockchain identifier of the second participating node, an identifier of group communication, a client downloading address or a client file, and a hash value corresponding to the client downloading address or the client file.
7. The group initiating node of claim 6, wherein the group initiating node and the group participating nodes form a star connection, and wherein a central node of the star connection is the group initiating node.
8. The group originating node of claim 6 or 7, wherein the processor is further configured to:
and sending the online state information of other participating nodes in the group to the first participating node through the communication interface.
9. The group originating node of claim 6 or 7, wherein the processor is further configured to:
establishing a group member list, the group member list including identification information of nodes participating in the group.
10. The group originating node of claim 9, wherein the processor is further configured to:
updating the group member list after confirming that the second participating node joined the group.
11. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the method according to any one of claims 1-5.
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| CN111131399B (en) * | 2019-12-03 | 2021-11-26 | 北京海益同展信息科技有限公司 | Method and device for dynamically increasing consensus nodes in block chain |
| CN111431728B (en) * | 2020-03-30 | 2024-02-09 | 腾讯科技（深圳）有限公司 | User group management method of distributed application program |
| CN112202581A (en) * | 2020-09-24 | 2021-01-08 | 成都质数斯达克科技有限公司 | Group joining method and device and electronic equipment |
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| CN107077557B (en) * | 2016-12-29 | 2020-07-31 | 深圳前海达闼云端智能科技有限公司 | Method and device for releasing and verifying software application program |
| CN108573381B (en) * | 2017-03-09 | 2020-06-05 | 北京京东尚科信息技术有限公司 | Data processing method and device |
| CN107911216B (en) * | 2017-10-26 | 2020-07-14 | 矩阵元技术（深圳）有限公司 | Block chain transaction privacy protection method and system |
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| WO2019104690A1 (en) * | 2017-11-30 | 2019-06-06 | 深圳前海达闼云端智能科技有限公司 | Mobile network access authentication method, device, storage medium and block chain node |
| CN108805702B (en) * | 2018-04-19 | 2022-04-01 | 深圳市迅雷网络技术有限公司 | Transaction buffering/accelerating method based on block chain and block chain transaction processing system |
| CN109413228B (en) * | 2018-12-20 | 2021-06-01 | 全链通有限公司 | IPv6 generation method and system based on block chain domain name system |
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