CN110035002A - Method for implementing instant messaging, terminal equipment and storage medium - Google Patents

Method for implementing instant messaging, terminal equipment and storage medium Download PDF

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Publication number
CN110035002A
CN110035002A CN201910258788.9A CN201910258788A CN110035002A CN 110035002 A CN110035002 A CN 110035002A CN 201910258788 A CN201910258788 A CN 201910258788A CN 110035002 A CN110035002 A CN 110035002A
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China
Prior art keywords
terminal device
message
target user
information
intelligent contract
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CN201910258788.9A
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Chinese (zh)
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CN110035002B (en
Inventor
罗进
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Cloudminds Shanghai Robotics Co Ltd
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Cloudminds Shenzhen Robotics Systems Co Ltd
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Priority to CN201910258788.9A priority Critical patent/CN110035002B/en
Publication of CN110035002A publication Critical patent/CN110035002A/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L51/00User-to-user messaging in packet-switching networks, transmitted according to store-and-forward or real-time protocols, e.g. e-mail
    • H04L51/04Real-time or near real-time messaging, e.g. instant messaging [IM]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00Network architectures or network communication protocols for network security
    • H04L63/08Network architectures or network communication protocols for network security for authentication of entities
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/10Protocols in which an application is distributed across nodes in the network
    • H04L67/1097Protocols 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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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Hardware Design (AREA)
  • Computer Security & Cryptography (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Information Transfer Between Computers (AREA)

Abstract

The disclosure relates to an instant messaging implementation method, terminal equipment and a storage medium, which are used for solving the problem that personal information of a user is tampered and leaked in the existing instant messaging mode. The method is applied to the terminal equipment and comprises the following steps: sending the identity information of the target user to an administrator node in the block chain network, wherein the identity information is used for the administrator node to write a registration request into the intelligent contract after confirming that the target user is legal, and the registration request is used for triggering the intelligent contract to send a verification success message carrying a registration code to the terminal equipment; after receiving the verification success message, encrypting the personal information of the target user and then distributing the encrypted personal information to the distributed storage nodes and receiving the returned storage index information; writing a registration request comprising a registration code and storage index information into the intelligent contract, wherein the registration request is used for triggering the intelligent contract to execute the following operations: and after the target user passes the verification according to the registration code, writing the storage index information into the block chain and returning a registration success message.

Description

The implementation method of instant messaging, terminal device and storage medium
Technical field
This disclosure relates to field of communication technology, and in particular, to a kind of implementation method of instant messaging and is deposited terminal device Storage media.
Background technique
Instant messaging tools is almost never left each other with daily life, and people can establish society by instant messaging tools The services for life such as friendship relationship and completion shopping online, payment bill.
Existing instant communication mode needs centralized server to participate in, and the personal information etc. of communication parties is stored in this In heart server, managed by the provider of the centralized server.However, this instant communication mode may cause user's Personal information is tampered or reveals, and there are great security risks.
Summary of the invention
It is a general object of the present disclosure to provide a kind of implementation method of instant messaging, terminal device and storage medium, to Solve the problems, such as that existing instant communication mode is tampered and reveals there are userspersonal information.
To achieve the goals above, according to the first aspect of the embodiments of the present disclosure, a kind of realization side of instant messaging is provided Method, is applied to terminal device, and the terminal device is the node in block chain network, which comprises
The identity information of target user to be registered is sent to the manager node in the block chain network, the body Part information carries out legitimate verification to the target user for the manager node and is confirming that the target user is legal The intelligent contract write-in registration request disposed in backward block chain, the registration request is for triggering the intelligent contract to described Terminal device send carry registration code be proved to be successful message;
Receive it is described be proved to be successful message after, will the target user personal information encrypt after be distributed to distribution Memory node is stored, and receives the storage index information that the distributed storage node returns;
It include the registration request of the registration code and the storage index information, the registration to the intelligent contract write-in Request executes following operation for triggering the intelligent contract:
The target user is verified according to the registration code;
It, will be in the storage index information write-in block chain and to institute after determining the target user by verifying It states terminal device and returns to the message that succeeds in registration.
Optionally, the registration request further includes the link address information of the terminal device, it is described operation further include by The link address information of the terminal device is written in the block chain;
The method also includes:
The information acquisition request of the identity information of the target user good friend is carried to the intelligent contract write-in, it is described Information acquisition request is for triggering described in the intelligent contract reads from the block chain according to the identity information of the good friend The link address information of good friend;
It is established and is communicated to connect based on DHT agreement or PubSub agreement and good friend's terminal device, the communication connection is used Instant messaging is carried out in the target user and the good friend.
Optionally, the method also includes:
If there are not sent message and the terminal is set in the historical session message queue that the terminal device is locally stored It is standby not set up the communication connection between the receiving end of the not sent message, then it is carried to the intelligent contract write-in State the message upload request of not sent message, the message upload request not sent disappears for triggering the intelligent contract by described Breath is routed to the historical session message queue of the receiving end.
Optionally, the method also includes:
The offline message acquisition request of the identity information of the target user is carried to the intelligent contract write-in, it is described Offline message acquisition request executes following operation for triggering the intelligent contract: inquiring the block according to the identity information Chain obtains target user offline message to be received and the offline message is sent to the terminal device;
The offline message is added to the corresponding historical session message queue of the target user.
Optionally, the method also includes:
It file destination to be uploaded is distributed to the distributed storage node is stored and receives the distribution and deposited Store up the storage index information for the file destination that node returns;
The storage index letter for carrying the file destination is sent to good friend's terminal device by described communicate to connect The file message of breath, the file message for good friend's terminal device according to the storage index information of the file destination from The distributed storage node obtains the file destination.
Optionally, if the target user is the administrator of target group, the method also includes:
The modification of the target group is operated in response to the target user, the modification generated according to the modification operation Message;
For each group members in the target group, if the terminal device of the group members is with the target user's Terminal device establishes the communication connection, then the modification message is sent to the terminal of the group members by the communication connection Equipment;
If the terminal device of the member does not establish the communication connection, Xiang Suoshu with the terminal device of the target user Intelligent contract write-in carries group's message upload request of the modification message, and group's message upload request is described for triggering The modification message is routed to the historical session message queue of the member terminal equipment by intelligent contract.
According to the second aspect of an embodiment of the present disclosure, a kind of terminal device is provided, the terminal device is block chain network In node, the terminal device includes:
First sending module, for the identity information of target user to be registered to be sent in the block chain network Manager node, the identity information carry out legitimate verification to the target user for the manager node and are confirming The intelligent contract write-in registration request disposed in the legal backward block chain of target user, the registration request is for triggering institute State intelligent contract sent to the terminal device carry registration code be proved to be successful message;
Second sending module, for receive it is described be proved to be successful message after, by the personal information of the target user It is distributed to distributed storage node after encryption to be stored, and receives the storage index letter that the distributed storage node returns Breath;
First writing module, for including the registration code and the storage index information to the intelligent contract write-in Registration request, the registration request execute following operation for triggering the intelligent contract:
The target user is verified according to the registration code;
It, will be in the storage index information write-in block chain and to institute after determining the target user by verifying It states terminal device and returns to the message that succeeds in registration.
Optionally, the registration request further includes the link address information of the terminal device, it is described operation further include by The link address information of the terminal device is written in the block chain;
The terminal device further include:
Second writing module, for carrying to the intelligent contract write-in identity information of the target user good friend Information acquisition request, the information acquisition request are used to trigger the intelligent contract according to the identity information of the good friend from described The link address information of the good friend is read in block chain;
Module is obtained, is retouched for indexing cryptographic Hash according to the storage from the account that the DHT node obtains the good friend Information is stated, the account description information includes the link address information of the good friend;
Connection establishment module, for establishing communication link based on DHT agreement or PubSub agreement and good friend's terminal device It connects, the communication connection carries out instant messaging for the target user and the good friend.
Optionally, the terminal device further include:
Third sending module, if there are not sent in the historical session message queue being locally stored for the terminal device The communication connection is not set up between message and the terminal device and the receiving end of the not sent message, then to the intelligence The message upload request for carrying the not sent message is written in contract, and the message upload request is closed for triggering the intelligence The not sent message is about routed to the historical session message queue of the receiving end.
Optionally, the terminal device further include:
4th writing module, for carried to the intelligent contract write-in target user identity information it is offline Message acquisition request, the offline message acquisition request execute following operation for triggering the intelligent contract: according to the body Part information inquires the block chain, obtains target user offline message to be received and the offline message is sent to institute State terminal device;
Adding module, for the offline message to be added to the corresponding historical session message queue of the target user.
Optionally, the terminal device further include:
5th sending module is stored simultaneously for file destination to be uploaded to be distributed to the distributed storage node Receive the storage index information for the file destination that the distributed storage node returns;
6th sending module, for carrying the target by described communicate to connect to good friend's terminal device transmission The file message of the storage index information of file, the file message is for good friend's terminal device according to the file destination Storage index information obtain the file destination from the distributed storage node.
Optionally, if the target user is the administrator of target group, the terminal device further include:
Generation module, for being operated in response to the target user to the modification of the target group, according to the modification Operate the modification message generated;
7th sending module, for for each group members in the target group, if the terminal device of the group members The communication connection is established with the terminal device of the target user, then is sent out the modification message by the communication connection Give the terminal device of the group members, and if the terminal device of the member do not establish institute with the terminal device of the target user Communication connection is stated, then carries group's message upload request of the modification message, group's message to the intelligent contract write-in Upload request is used to trigger the historical session message that the modification message is routed to the member terminal equipment by the intelligent contract Queue.
According to the third aspect that the disclosure is implemented, a kind of terminal device is provided, the terminal device is the area in block chain Block chain node, the terminal device include:
Memory is stored thereon with computer program;
Processor, for executing the computer program in the memory, to realize the first of the embodiment of the present disclosure The step of aspect the method.
According to a fourth aspect of embodiments of the present disclosure, a kind of computer readable storage medium is provided, calculating is stored thereon with Machine program, when which is executed by processor the step of first aspect the method for the realization embodiment of the present disclosure.
The technical scheme provided by this disclosed embodiment can include the following benefits: be based on block chain intelligence contract skill Art realizes user's registration function, is distributed to distributed storage node after the personal information of user is encrypted and stores, and will To storage index information write-in block chain in, it makes use of the decentralization of block chain and can not tamper, can to avoid with The personal information at family is tampered.In addition, the personal information of user is dispersed on each distributed storage node, the transmission of information is straight It connects and carries out among the nodes, intervened without centralized server, it is ensured that the personal information of user will not be provided by server Quotient's tracking and leakage, and then ensure that the safety of userspersonal information.
Other feature and advantage of the disclosure will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
Attached drawing is and to constitute part of specification for providing further understanding of the disclosure, with following tool Body embodiment is used to explain the disclosure together, but does not constitute the limitation to the disclosure.In the accompanying drawings:
Fig. 1 is a kind of communication system of implementation method suitable for instant messaging shown according to an exemplary embodiment Schematic diagram;
Fig. 2 is a kind of flow diagram of the implementation method of instant messaging shown according to an exemplary embodiment;
Fig. 3 is a kind of flow diagram of new user's registration shown according to an exemplary embodiment;
Fig. 4 is the process signal that a kind of instant messaging both sides shown according to an exemplary embodiment establish communication connection Figure;
Fig. 5 is the process signal that a kind of instant messaging both sides shown according to an exemplary embodiment carry out message transmission Figure;
Fig. 6 is the process signal that a kind of instant messaging both sides shown according to another exemplary embodiment carry out message transmission Figure;
Fig. 7 is the process signal that a kind of instant messaging both sides shown according to an exemplary embodiment carry out file transmission Figure;
Fig. 8 is the process signal that one side of a kind of instant messaging shown according to an exemplary embodiment carries out management and group Figure;
Fig. 9 is a kind of block diagram of terminal device shown according to an exemplary embodiment;
Figure 10 is a kind of block diagram of the terminal device shown according to another exemplary embodiment;
Figure 11 is a kind of structural schematic diagram of terminal device shown according to an exemplary embodiment.
Specific embodiment
It is described in detail below in conjunction with specific embodiment of the attached drawing to the disclosure.It should be understood that this place is retouched The specific embodiment stated is only used for describing and explaining the disclosure, is not limited to the disclosure.
It should be noted that the specification and claims of the disclosure and term " first " in above-mentioned attached drawing, " Two " etc. be to be used to distinguish similar objects, without being interpreted as specific sequence or precedence.
In order to make those skilled in the art be easier to understand the technical solution of embodiment of the present disclosure offer, first below to this The communication system that the implementation method of the open instant messaging provided is applicable in is illustrated.As shown in Figure 1, Fig. 1 is shown according to one Example property implements a kind of communication system schematic diagram of the implementation method suitable for instant messaging exemplified, which includes: Multiple terminal devices 110 and multiple distributed storage nodes 120.
Wherein, terminal device 110 may is that mobile phone, tablet computer, computer, multimedia play equipment, intelligence are wearable Equipment etc..It is configured with instant communication client in terminal device 110, instant communication client can be passed through between terminal device 110 Carry out instant messaging, such as transmission file, messaging etc..These terminal devices 110 are the section in block chain network 200 Point, section terminating equipment 110 can also be the manager node in block chain network 200, for its in block chain network 200 His node provides corresponding function, for example, check and verify the user to be registered of other nodes transmission identity it is whether legal.Block Node in chain network 200 participates in maintenance block chain jointly.Wherein, in order to guarantee the communication security of instant messaging each side, block Chain can be privately owned chain or alliance's chain, and correspondingly, manager node can also save other non-administrators in block chain network Point setting corresponding authority, such as read the permission of block chain data, permission of data etc. is written to block chain.
Distributed storage node 120 can be the terminal device with communication and store function, can be used for storing immediately The social informations such as the userspersonal information of communication parties and file, message.These distributed storage nodes 120 constitute interspace text Part system (Inter Planetary File System, IPFS) 300.Optionally, distributed storage node 120 can use The mode of distributed hashtable (Distributed Hash Table, DHT) stores information.
Further, terminal device 120 can establish P2P communication connection with each node in IPFS system 300, by this P2P communication connection can send information to be stored to the interdependent node in IPFS system 300 and obtain letter from interdependent node Breath.In addition, distributed storage node 120 is also possible to the node in block chain network 200.
Based on communication system shown in FIG. 1, the embodiment of the present disclosure provides a kind of implementation method of instant messaging.Such as Fig. 2 institute Show, Fig. 2 is a kind of flow diagram of the implementation method of instant messaging shown according to an exemplary embodiment, this method application In terminal device, method includes the following steps:
S201, the identity information of target user to be registered is sent to the manager node in block chain network.
Wherein, identity information can be used as the identity of the target user, and illustratively, identity information may include identity card Number, user name etc..
As shown in figure 3, when registering new user, target user to be registered can be by the Instant Messenger that configures in terminal device Letter client inputs its identity information, and terminal device is operated in response to the registration of target user, by the identity information of target user The manager node being sent in block chain network carries out legitimacy to target user according to the identity information by manager node Verifying.Illustratively, manager node is stored with the identity information of legitimate user, if inquiring the identity information phase with target user Matched identity information can then determine that the target user is legal;Otherwise, then it is assumed that the target user is illegal.
If it is determined that the target user is illegal, manager node then sends target user's authentication failed message to terminal device; If it is determined that the target user is legal, registration request, the registration is written in the intelligent contract that manager node is then disposed into block chain Request generates corresponding registration code and the message that is proved to be successful for carrying the registration code is sent to this for triggering intelligent contract Terminal device, wherein registration request may include the ostensible identity information such as user name of target user.
In addition, intelligent contract can also be Target Assignment related resource (such as the target user in response to the registration request Memory space etc. of the relevant information on block chain).
S202, after receiving and being proved to be successful message, be distributed to distribution after the personal information of target user is encrypted and deposit Storage node is stored.
Wherein, personal information can include but is not limited to: the account name of target user, account password, head portrait, link address Information, contact method etc..
S203, the storage index information that distributed storage node returns is received.
Wherein, storage index information may include the distributed storage node letter for participating in storing target user's personal information Breath, download path information etc..
It is worth noting that concrete mode and distribution that terminal device encrypts the personal information of target user The concrete mode that memory node stores the personal information of target user, belong to well known to a person skilled in the art, this It is no longer elaborated in open embodiment.
S204, the intelligent contract disposed into block chain write-in include the storage index information and the registration code of target user Registration request, which executes following operation for triggering intelligent contract: being carried out according to the registration code to target user Verifying;After determining target user by verifying, it will be set in the storage index information write-in block chain of target user and to terminal It is standby to return to the message that succeeds in registration.
Further, registration request further includes the link address information of the terminal device of target user.Correspondingly, intelligence is closed About in response to operation performed by the registration request further include: the link address information is written in block chain, so that block chain Other nodes in network can get the link address information from block chain, so that other nodes in block chain network Instant messaging connection can be established according to the terminal device of the link address information and target user.
Further, intelligent contract returns to Account Registration to terminal device and loses when determining that target user is unverified Lose message.
Using the above method, user's registration function is realized based on block chain intelligence contract technology, by the personal information of user It is distributed to distributed storage node after encryption to be stored, and obtained storage index information is written in block chain, utilizes The decentralization of block chain and can not tamper, can be tampered to avoid the personal information of user.In addition, the personal letter of user Breath is dispersed on each distributed storage node, and the transmission of information directly carries out among the nodes, is situated between without centralized server Enter, it is ensured that the personal information of user will not be tracked and be revealed by provider server, and then ensure that userspersonal information Safety.
Further, after target user succeeds in registration, target user can carry out logging in behaviour by instant communication client Make, the logon operation that terminal device is inputted in response to target user, the write-in of Xiang Zhineng contract carries target user's logon information The log on request of (such as landing time stamp, user name), the log on request update working as the target user for triggering intelligent contract Preceding state, for example, being to have logged in by the status indication of the target user.
Further, after target user logs in successfully, good friend's operation can be added.Specifically, target user can be with The identity information (user name of such as good friend) of good friend to be added is inputted by instant communication client, terminal device is in response to target The addition good friend of user operates, and sends addition request message to the terminal device of good friend to be added, and receiving good friend's terminal When the addition success response message that equipment returns, which is added in the buddy list being locally stored.Wherein, add Adding request message may include the identity information of the identity information (user name of such as target user) of target user, good friend to be added The session code of (user name of good friend such as to be added), the session code of target user and good friend to be added adds success response Message may include the identity information (user name of such as target user) of target user, good friend to be added identity information (such as to Add the user name of good friend), answer code, the session code of target user etc..
Further, target user can also carry out deleting good friend's operation.Specifically, target user can pass through instant messaging Client inputs the identity information (user name of good friend such as to be deleted) of good friend to be deleted, and terminal device is in response to target user's Good friend's operation is deleted, deletion request message is sent to the terminal device of good friend to be deleted, to indicate that the terminal of good friend to be deleted is set It is standby to delete target user from the buddy list of the good friend to be deleted.Wherein, deletion request message may include that target is used The identity information (user name of such as target user) at family, good friend to be deleted identity information (user name of good friend such as to be deleted), The session code of target user and the session code of good friend to be added etc..
Further, the terminal device of target user can also be established logical with the terminal device of the good friend in its buddy list Letter connection.In one possible implementation, as shown in figure 4, carrying is written to intelligent contract in the terminal device of target user There is the information acquisition request of the identity information of target user good friend, the information acquisition request is for triggering intelligent contract according to the body Part information reads the link address information of the good friend from block chain;End based on DHT agreement or PubSub agreement and the good friend End equipment establishes communication connection, which can make target user and good friend carry out instant messaging, such as information receiving and transmitting, text Part transmission etc..
Communication connection is established between instant communicating pair by DHT agreement or PubSub agreement, instant messaging can be made Both sides hide the information such as oneself true identity and position, can protect individual subscriber privacy, while will not be taken by third party Business supplier control, ensures the safety of instant messaging.
Next, being illustrated by different implement scenes to the instant messaging between target user and good friend.
Implement scene one: messaging
In one possible implementation, as shown in figure 5, being set in the terminal device of target user and the terminal of its good friend After setting up above-mentioned communication connection, the terminal device of target user can be sent out by the communication connection to the terminal device of good friend Online message is sent, the online message that the terminal device of good friend is sent can also be received by the communication connection.In addition, for each The terminal device of instant messaging is participated in, which is locally stored the historical session message queue of user, the historical session Record has the message back between the user and other contact persons to record in message queue, and the terminal device is sending and receiving The historical session message queue can be updated after message.
Further, if the terminal device of target user and the terminal device of its good friend have not set up above-mentioned communication connection, The terminal device of target user then carries the message upload request of message to be sent to the write-in of intelligent contract, and message upload is asked It is real in the historical session message queue for seeking the terminal device for being routed to the good friend for triggering intelligent contract for the message to be sent The offline transmission of existing message.
Further, as shown in fig. 6, terminal device can load the historical session message queue of target user from local, And judge wherein to whether there is not sent message, if in the historical session message queue there are not sent message and terminal device Communication connection is established between the receiving end of the not sent message, then the not sent message is sent to by this by the communication connection The online transmission of message is realized in receiving end.
Further, if there are not sent message and the terminal device is not sent not with this in the historical session message queue Communication connection is established between the receiving end of message, terminal device then carries the message of the not sent message to the write-in of intelligent contract Upload request, the message upload request is for triggering the historical session that the not sent message is routed to the receiving end by intelligent contract In message queue, the offline transmission of message is realized.
Further, terminal device can also read the offline message of other terminal devices transmission from block chain.Specifically, The offline message acquisition request for carrying the identity information of target user can be written in terminal device to intelligent contract, this disappears offline Breath acquisition request executes following operation for triggering intelligent contract: inquiring block chain according to the identity information, obtains target use Family offline message to be received, and offline message is sent to terminal device.Then, offline message is added to mesh by terminal device It marks in the corresponding historical session message queue of user.
Implement scene two: file transmission
In one possible implementation, as shown in fig. 7, being set in the terminal device of target user and the terminal of its good friend After setting up communication connection, the file upload operation that terminal device can be inputted in response to target user, by mesh to be uploaded Mark file distributing to distributed storage node is stored, and receives depositing for the file destination that these distributed storage nodes return Store up index information.Then, terminal device carries storage index letter to the transmission of the terminal device of good friend by the communication connection The file message of breath obtains target text from these distributed storage nodes according to the storage index information by good friend's terminal device Part.Wherein, the storage index information of file destination may include participate in storage file destination distributed storage nodal information, under Carry routing information etc..
Further, terminal device can also be in response to the file message that receives, according to the storage rope in file message Fuse breath obtains corresponding file from relevant distributed storage node.
It is worth noting that terminal device can be by the corresponding DHT interface of IPFS system from relevant distributed storage section Point obtains corresponding file.Wherein, DHT interface can be for example including the interface Func for obtaining distributed storage node ID Self () Peer.ID, the interface Func Connect (peer for connecting the distributed storage node to peer node PeerInfo) error, for obtaining the interface Func GetKey for the value by key index being stored in distributed node Value (key string) (val [] byte, error) etc..
Further, file message further includes the type of file, and terminal device is after receiving file message, first according to text Part type determines whether that file opening is downloaded automatically, if file type is multimedia file or picture format file, opens text Part is downloaded automatically, i.e., obtains this document from corresponding distributed storage node according to the storage index information of this document;If file Type is the other types file in addition to multimedia file and picture format file, then is not turned on file and downloads automatically, but Prompting download information is exported first to prompt user, and when receiving the confirmation download instruction of user's input, according to this document It stores index information and obtains this document from corresponding distributed storage node.
Wherein, the concrete mode and terminal device that distributed storage node stores file destination are deposited from distribution The concrete mode that node obtains file destination according to storage index information is stored up, belongs to that well known to a person skilled in the art in this public affairs It opens in embodiment and no longer elaborates.
Implement scene three: management and group
If target user is the administrator of target group, target user can also carry out group by instant communication client Group modification operation, for example including but be not limited to: increase group members, delete group members, setting group administrator, shielding group members disappear Breath, removal shielding group members etc..
In one possible implementation, as shown in figure 8, terminal device repairs target group in response to target user Change operation, corresponding modification message generated according to modification operation information, and will modification message be sent to it is each in target group Group members.For each group members, communicated to connect if terminal device is established with the terminal device of the group members, terminal device Modification message is sent to the terminal device of the group members by the communication connection;If terminal device not with the terminal of the group members Equipment establishes communication connection, and terminal device then carries group's message upload request of modification message, the group to the write-in of intelligent contract Message upload request disappears the historical session for the terminal device that the modification message is routed to the group members for triggering intelligent contract Cease queue.Wherein, modification message may include the body of the identity information (user name of such as target user) of target user, group members Part information (user names of such as group members), the session code of target user and modification operation information.
The embodiment of the present disclosure also provides a kind of terminal device, as shown in figure 9, Fig. 9 is shown according to an exemplary embodiment A kind of terminal device block diagram, which is the node in block chain network, which includes:
First sending module 901, for the identity information of target user to be registered to be sent to the block chain network In manager node, the identity information for the manager node to the target user carry out legitimate verification and Confirm the intelligent contract write-in registration request disposed in the legal backward block chain of the target user, the registration request is for touching Send out intelligent contract described and sent to the terminal device carry registration code be proved to be successful message;
Second sending module 902, for receive it is described be proved to be successful message after, the individual of the target user is believed It is distributed to distributed storage node after encryption for information to be stored, and receives the storage index letter that the distributed storage node returns Breath;
First writing module 903, for including the registration code and storage index letter to the intelligent contract write-in The registration request of breath, the registration request execute following operation for triggering the intelligent contract:
The target user is verified according to the registration code;
It, will be in the storage index information write-in block chain and to institute after determining the target user by verifying It states terminal device and returns to the message that succeeds in registration.
Optionally, as shown in Figure 10, the registration request further includes the link address information of the terminal device, the behaviour Work further includes that the link address information of the terminal device is written in the block chain;
The terminal device 900 further include:
Second writing module 904, for carrying the identity letter of the target user good friend to the intelligent contract write-in The information acquisition request of breath, the information acquisition request be used to trigger the intelligent contract according to the identity information of the good friend from The link address information of the good friend is read in the block chain;
Module 905 is obtained, for obtaining the account of the good friend from the DHT node according to the storage index cryptographic Hash Description information, the account description information include the link address information of the good friend;
Connection establishment module 906, for being communicated based on DHT agreement or PubSub agreement with good friend's terminal device foundation Connection, the communication connection carry out instant messaging for the target user and the good friend.
Optionally, as shown in Figure 10, the terminal device 900 further include:
Third sending module 907, if existing not in the historical session message queue being locally stored for the terminal device It sends message and does not set up the communication connection between the terminal device and the receiving end of the not sent message, then Xiang Suoshu Intelligent contract write-in carries the message upload request of the not sent message, and the message upload request is for triggering the intelligence The not sent message is routed to the historical session message queue of the receiving end by energy contract.
Optionally, as shown in Figure 10, the terminal device 900 further include:
4th writing module 908, for carrying to the intelligent contract write-in identity information of the target user Offline message acquisition request, the offline message acquisition request execute following operation for triggering the intelligent contract: according to institute It states identity information and inquires the block chain, obtain target user offline message to be received and send the offline message To the terminal device;
Adding module 909, for the offline message to be added to the target user corresponding historical session message team Column.
Optionally, as shown in Figure 10, the terminal device 900 further include:
5th sending module 910 is deposited for file destination to be uploaded to be distributed to the distributed storage node Store up and receive the storage index information for the file destination that the distributed storage node returns;
6th sending module 911, for by it is described communicate to connect carried to good friend's terminal device transmission it is described The file message of the storage index information of file destination, the file message is for good friend's terminal device according to the target The storage index information of file obtains the file destination from the distributed storage node.
Optionally, as shown in Figure 10, if the target user is the administrator of target group, the terminal device 900 Further include:
Generation module 912 is repaired for operating in response to the target user to the modification of the target group according to described Change the modification message that operation generates;
7th sending module 913, for for each group members in the target group, if the terminal of the group members is set It is standby to establish the communication connection with the terminal device of the target user, then it is communicated to connect by described by the modification message Be sent to the terminal device of the group members, and if the member terminal device not with the terminal device of the target user establish The communication connection, then carry group's message upload request of the modification message to the intelligent contract write-in, and the group disappears Breath upload request is used to trigger the intelligent contract and the historical session that the modification message is routed to the member terminal equipment disappears Cease queue.
Those skilled in the art can be understood that, for convenience and simplicity of description, only with above-mentioned each function mould The division progress of block can according to need and for example, in practical application by above-mentioned function distribution by different functional modules It completes, i.e., the internal structure of terminal device is divided into different functional modules, it is described above all or part of to complete Function.The specific work process of foregoing description functional module, can refer to corresponding processes in the foregoing method embodiment, herein not It repeats again.
Using above-mentioned terminal device, user's registration function is realized based on block chain intelligence contract technology, by the individual of user Distributed storage node is distributed to after information encryption to be stored, and obtained storage index information is written in block chain, Be utilized block chain decentralization and can not tamper, can be tampered to avoid the personal information of user.In addition, of user On each distributed storage node, the transmission of information directly carries out people's information dispersion among the nodes, is not necessarily to centralization service Device intervention, it is ensured that the personal information of user will not be tracked and be revealed by provider server, and then ensure that individual subscriber The safety of information.
In addition, establishing communication connection between instant communicating pair by DHT agreement or PubSub agreement, it is based on the communication Connection carries out instant messaging, and instant messaging both sides can be made to hide the information such as oneself true identity and position, can protect use Family individual privacy, while will not be controlled by third party's service supplier, ensure the safety of instant messaging.
The embodiment of the present disclosure also provides a kind of computer readable storage medium, is stored thereon with computer program, the program The step of a kind of implementation method for instant messaging that above method embodiment provides is realized when being executed by processor.
The embodiment of the present disclosure also provides a kind of terminal device, which is the node in block chain network, the terminal Equipment includes: memory, is stored thereon with computer program;Processor, for executing the computer in the memory Program, with realize above method embodiment provide a kind of instant messaging implementation method the step of.
Figure 11 is a kind of structural schematic diagram of the terminal device, and the terminal device 1100 as shown in figure 11 may include: place Manage device 1101, memory 1102.The terminal device 1100 can also include multimedia component 1103, input/output (I/O) interface One or more of 1104 and communication component 1105.
Wherein, processor 1101 is used to control the integrated operation of the terminal device 1100, to complete above-mentioned instant messaging Implementation method in all or part of the steps.Memory 1102 is for storing various types of data to support to set in the terminal Standby 1100 operation, these data for example may include any application program or side for operating on the terminal device 1100 The instruction of method and the relevant data of application program, such as contact data, the message of transmitting-receiving, picture, audio, video etc.. The memory 1102 can realize by any kind of volatibility or non-volatile memory device or their combination, such as quiet State random access memory (Static Random Access Memory, abbreviation SRAM), the read-only storage of electrically erasable Device (Electrically Erasable Programmable Read-Only Memory, abbreviation EEPROM), it is erasable to compile Journey read-only memory (Erasable Programmable Read-Only Memory, abbreviation EPROM), may be programmed read-only storage Device (Programmable Read-Only Memory, abbreviation PROM), and read-only memory (Read-Only Memory, referred to as ROM), magnetic memory, flash memory, disk or CD.Multimedia component 1103 may include screen and audio component.Wherein Screen for example can be touch screen, and audio component is used for output and/or input audio signal.For example, audio component may include One microphone, microphone is for receiving external audio signal.The received audio signal can be further stored in storage Device 1102 is sent by communication component 1105.Audio component further includes at least one loudspeaker, is used for output audio signal.I/ O Interface 1104 provides interface between processor 1101 and other interface modules, other above-mentioned interface modules can be keyboard, mouse Mark, button etc..These buttons can be virtual push button or entity button.Communication component 1105 for the terminal device 1100 with Wired or wireless communication is carried out between other equipment.Wireless communication, such as Wi-Fi, bluetooth, near-field communication (Near Field Communication, abbreviation NFC), 2G, 3G or 4G or they one or more of combination, therefore corresponding communication Component 1105 may include: Wi-Fi module, bluetooth module, NFC module.
In one exemplary embodiment, terminal device 1100 can be by one or more application specific integrated circuit (Application Specific Integrated Circuit, abbreviation ASIC), digital signal processor (Digital Signal Processor, abbreviation DSP), digital signal processing appts (Digital Signal Processing Device, Abbreviation DSPD), programmable logic device (Programmable Logic Device, abbreviation PLD), field programmable gate array (Field Programmable Gate Array, abbreviation FPGA), controller, microcontroller, microprocessor or other electronics member Part is realized, for executing the implementation method of above-mentioned instant messaging.
In a further exemplary embodiment, a kind of computer readable storage medium including program instruction is additionally provided, it should The step of implementation method of above-mentioned instant messaging is realized when program instruction is executed by processor.For example, this computer-readable is deposited Storage media can be the above-mentioned memory 1102 including program instruction, and above procedure instruction can be by the processor of terminal device 1100 1101 execute to complete the implementation method of above-mentioned instant messaging.
The preferred embodiment of the disclosure is described in detail in conjunction with attached drawing above, still, the disclosure is not limited to above-mentioned reality The detail in mode is applied, in the range of the technology design of the disclosure, a variety of letters can be carried out to the technical solution of the disclosure Monotropic type, these simple variants belong to the protection scope of the disclosure.
It is further to note that specific technical features described in the above specific embodiments, in not lance In the case where shield, it can be combined in any appropriate way.In order to avoid unnecessary repetition, the disclosure to it is various can No further explanation will be given for the combination of energy.
In addition, any combination can also be carried out between a variety of different embodiments of the disclosure, as long as it is without prejudice to originally Disclosed thought equally should be considered as disclosure disclosure of that.

Claims (10)

1. a kind of implementation method of instant messaging, which is characterized in that be applied to terminal device, the terminal device is block link network Node in network, which comprises
The identity information of target user to be registered is sent to the manager node in the block chain network, the identity letter Breath for the manager node to the target user carry out legitimate verification and after confirming that the target user is legal to The intelligent contract write-in registration request disposed in block chain, the registration request is for triggering the intelligent contract to the terminal Equipment send carry registration code be proved to be successful message;
Receive it is described be proved to be successful message after, will the target user personal information encrypt after be distributed to distributed storage Node is stored, and receives the storage index information that the distributed storage node returns;
It include the registration request of the registration code and the storage index information, the registration request to the intelligent contract write-in Following operation is executed for triggering the intelligent contract:
The target user is verified according to the registration code;
It, will be in the storage index information write-in block chain and to the end after determining the target user by verifying End equipment returns to the message that succeeds in registration.
2. the method according to claim 1, wherein the registration request further includes the connection of the terminal device Address information, the operation further include that the link address information of the terminal device is written in the block chain;
The method also includes:
The information acquisition request of the identity information of the target user good friend, the information are carried to the intelligent contract write-in Acquisition request reads the good friend from the block chain according to the identity information of the good friend for triggering the intelligent contract Link address information;
It is established and is communicated to connect based on DHT agreement or PubSub agreement and good friend's terminal device, the communication connection is used for institute It states target user and the good friend carries out instant messaging.
3. according to the method described in claim 2, it is characterized in that, the method also includes:
If in the historical session message queue that the terminal device is locally stored there are not sent message and the terminal device with The communication connection is not set up between the receiving end of the not sent message, then is written to the intelligent contract described in carrying not The message upload request of message is sent, the message upload request is for triggering the intelligent contract for the not sent message road By the historical session message queue to the receiving end.
4. the method according to claim 1, wherein the method also includes:
The offline message acquisition request of the identity information of the target user is carried to the intelligent contract write-in, it is described offline Message acquisition request executes following operation for triggering the intelligent contract: the block chain is inquired according to the identity information, It obtains target user offline message to be received and the offline message is sent to the terminal device;
The offline message is added to the corresponding historical session message queue of the target user.
5. according to the method described in claim 2, it is characterized in that, the method also includes:
File destination to be uploaded is distributed to the distributed storage node to be stored and receive the distributed storage section The storage index information for the file destination that point returns;
The storage index information for carrying the file destination is sent to good friend's terminal device by described communicate to connect File message, the file message is for good friend's terminal device according to the storage index information of the file destination from described Distributed storage node obtains the file destination.
6. according to the method described in claim 2, it is characterized in that, if the target user be target group administrator, The method also includes:
The modification of the target group is operated in response to the target user, is disappeared according to the modification that the modification operation generates Breath;
For each group members in the target group, if the terminal device of the group members terminal with the target user Equipment establishes the communication connection, then is set the terminal that the modification message is sent to the group members by the communication connection It is standby;
If the terminal device of the member does not establish the communication connection with the terminal device of the target user, to the intelligence Contract write-in carries group's message upload request of the modification message, and group's message upload request is for triggering the intelligence The modification message is routed to the historical session message queue of the member terminal equipment by contract.
7. a kind of terminal device, which is characterized in that the terminal device is the node in block chain network, the terminal device packet It includes:
First sending module, the management for being sent to the identity information of target user to be registered in the block chain network Member's node, the identity information for the manager node carry out legitimate verification to the target user and described in the confirmations The intelligent contract write-in registration request disposed in the legal backward block chain of target user, the registration request is for triggering the intelligence Can contract sent to the terminal device carry registration code be proved to be successful message;
Second sending module, for receive it is described be proved to be successful message after, the personal information of the target user is encrypted After be distributed to distributed storage node and stored, and receive the storage index information that the distributed storage node returns;
First writing module, for including the registration of the registration code and the storage index information to the intelligent contract write-in Request, the registration request execute following operation for triggering the intelligent contract:
The target user is verified according to the registration code;
It, will be in the storage index information write-in block chain and to the end after determining the target user by verifying End equipment returns to the message that succeeds in registration.
8. terminal device according to claim 7, which is characterized in that the registration request further includes the terminal device Link address information, the operation further include that the link address information of the terminal device is written in the block chain;
The terminal device further include:
Second writing module, the information of the identity information for carrying the target user good friend to the intelligent contract write-in Acquisition request, the information acquisition request are used to trigger the intelligent contract according to the identity information of the good friend from the block The link address information of the good friend is read in chain;
Module is obtained, for obtaining the account description letter of the good friend from the DHT node according to the storage index cryptographic Hash Breath, the account description information includes the link address information of the good friend;
Connection establishment module is communicated to connect, institute for being established based on DHT agreement or PubSub agreement and good friend's terminal device It states communication connection and carries out instant messaging for the target user and the good friend.
9. a kind of terminal device, which is characterized in that the terminal device is the block chain node in block chain, the terminal device Include:
Memory is stored thereon with computer program;
Processor, for executing the computer program in the memory, to realize any one of claims 1 to 6 institute The step of stating method.
10. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the program is by processor The step of any one of claims 1 to 6 the method is realized when execution.
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