CN109245993A - Instant communication method and device based on block chain - Google Patents
Instant communication method and device based on block chain Download PDFInfo
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- CN109245993A CN109245993A CN201811043374.6A CN201811043374A CN109245993A CN 109245993 A CN109245993 A CN 109245993A CN 201811043374 A CN201811043374 A CN 201811043374A CN 109245993 A CN109245993 A CN 109245993A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L51/00—User-to-user messaging in packet-switching networks, transmitted according to store-and-forward or real-time protocols, e.g. e-mail
- H04L51/04—Real-time or near real-time messaging, e.g. instant messaging [IM]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
- H04L63/0442—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload wherein the sending and receiving network entities apply asymmetric encryption, i.e. different keys for encryption and decryption
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1097—Protocols in which an application is distributed across nodes in the network for distributed storage of data in networks, e.g. transport arrangements for network file system [NFS], storage area networks [SAN] or network attached storage [NAS]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- 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
- H04L9/3236—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 using cryptographic hash functions
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Computer Hardware Design (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Storage Device Security (AREA)
Abstract
The invention discloses a kind of instant communication method based on block chain, device, calculate equipment and computer storage medium, wherein, this method comprises: the instant communication information ciphertext that the first user sends is received, wherein the second user is the recipient of instant communication information specified by the first user；The instant communication information ciphertext is sent to second user, obtains the instant communication information after the instant communication information ciphertext is decrypted for the second user；And the instant communication information ciphertext is written in block chain.The technical solution realizes the distributed preservation of the decentralization to instant communication information with block chain, and instant communication information is stored with encrypted test mode, it can effectively avoid communication information from being stolen, be tampered, being deleted and the case where malicious attack, to better ensure that the safety of user communication privacy.
Description
Technical field
The present invention relates to Internet technical fields, and in particular to it is a kind of by the instant communication method of block chain, device, based on
Calculate equipment and computer storage medium.
Background technique
Instant messaging is the business for referring to send and receive internet message immediately, is a kind of terminal service, allows two
People or more people transmit text, document, voice using network immediately and exchange with video, and immediate communication tool possesses huge use
A possibility that family group, information technology and communication media are more flourishing, and individual privacy is draped over one's shoulders leakage is bigger, people to information security and
Individual privacy demand is also more urgent.However, traditional immediate communication platform is centralization platform, there are information to be usurped for platform
Change, be deleted, by malicious attack the case where.Therefore, there is user communication privacy is unsafe for existing instant communication method
Problem.
Summary of the invention
In view of the above problems, it proposes on the present invention overcomes the above problem or at least be partially solved in order to provide one kind
It states the instant communication method based on block chain of problem, device, calculate equipment and computer storage medium.
According to an aspect of the invention, there is provided a kind of instant communication method based on block chain, which comprises
The instant communication information ciphertext for receiving the first user transmission, wherein the second user is instant messaging specified by the first user
The recipient of message；The instant communication information ciphertext is sent to second user, so that the second user is to described instant
Communication message ciphertext obtains the instant communication information after being decrypted；And by instant communication information ciphertext write area
In block chain.
Optionally, the instant communication information ciphertext for receiving the first user and sending specifically: receive the first user and send
The instant communication information ciphertext encrypted using the public key of second user；The second user is to the instant communication information
Ciphertext obtains the instant communication information after being decrypted specifically: the second user is according to the private key of second user to described
Instant communication information ciphertext obtains the instant communication information after being decrypted.
Optionally, the public key and private key of the second user are generated in second user registration process；
The method also includes: after second user is added to good friend by the first user, the public key of second user is sent
To the first user.
Optionally, before the instant communication information ciphertext that the first user of the reception sends, the method also includes: it connects
Receive the logging request for the carrying user login information that the first user/second user is sent；It is used according to user login information first
Family/second user identity information is verified；After being proved to be successful, the first user/second user client address is recorded
Information, and block chain is written into the first user/second user login time stamp and client address information；To the first user/
Second user return logins successfully response.
Optionally, before the logging request for receiving the carrying user login information that the first user/second user is sent,
The method also includes: receive the registration request for the carrying identity information that the first user/second user is sent；Identity information is write
Enter block chain, and generates corresponding block chain address；It is that the first user/second user generates a pair of of public affairs using key generation facility
Key and private key；The response of succeeding in registration for carrying private key is returned to the first user/second user, and records the first user/the second
The corresponding block chain address of user and public key.
Optionally, it is described will instant communication information ciphertext be written block chain in specifically: by instant communication information ciphertext into
It is written in block chain after the processing of row Hash.
Optionally, the method also includes: according to the information recorded in block chain, generate the first user/second user
Integration information, will be in the first user of the first user/second user integration information typing/second user wallet account.
Optionally, the specific following information of the instant communication information is one or more: text information, audio-frequency information and
Video information.
Optionally, first user/second user client address information specifically: webpage client or mobile visitor
The IP address at family end and port.
According to another aspect of the invention, a kind of instant communication device based on block chain is provided, described device includes:
Receiving module, for receiving the instant communication information ciphertext of the first user transmission, wherein the second user is the first user institute
The recipient of specified instant communication information；Sending module, for the instant communication information ciphertext to be sent to second user,
The instant communication information is obtained after the instant communication information ciphertext is decrypted for the second user；Store mould
Block, in instant communication information ciphertext write-in block chain.
In accordance with a further aspect of the present invention, provide a kind of calculating equipment, comprising: processor, memory, communication interface and
Communication bus, the processor, the memory and the communication interface complete mutual communication by the communication bus；
For the memory for storing an at least executable instruction, it is as above that the executable instruction executes the processor
The corresponding operation of the instant communication method based on block chain stated.
According to another aspect of the invention, provide a kind of computer storage medium, be stored in the storage medium to
A few executable instruction, the instant communication method that the executable instruction executes processor as above-mentioned based on block chain are corresponding
Operation.
The technical solution provided according to the present invention receives the instant communication information ciphertext that the first user sends, wherein described
Second user is the recipient of instant communication information specified by the first user；The instant communication information ciphertext is sent to
Two users obtain the instant communication information after the instant communication information ciphertext is decrypted for the second user；
And the instant communication information ciphertext is written in block chain.The present invention is realized with block chain to instant communication information
The distributed of decentralization saves, and stores instant communication information with ciphertext, can effectively avoid communication information from being stolen, be usurped
Change, be deleted and the case where malicious attack, to better ensure that user communication personal secrets.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And it can be implemented in accordance with the contents of the specification, and in order to allow above and other objects of the present invention, feature and advantage can
It is clearer and more comprehensible, the followings are specific embodiments of the present invention.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field
Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as to the present invention
Limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings:
Fig. 1 a shows the system architecture schematic diagram for the immediate communication platform that the present invention is applicable in；
Fig. 1 b shows the flow diagram of according to embodiments of the present invention one instant communication method based on block chain；
Fig. 2 shows the flow diagrams of according to embodiments of the present invention two instant communication method based on block chain；
Fig. 3 shows the flow diagram of according to embodiments of the present invention three instant communication method based on block chain；
Fig. 4 shows the flow diagram of according to embodiments of the present invention four instant communication method based on block chain；
Fig. 5 shows the structural block diagram of according to embodiments of the present invention five instant communication device based on block chain；
Fig. 6 shows a kind of structural schematic diagram of according to embodiments of the present invention seven calculating equipment.
Specific embodiment
Exemplary embodiments of the present disclosure are described in more detail below with reference to accompanying drawings.Although showing the disclosure in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
It is fully disclosed to those skilled in the art.
In order to which technical solution of the present invention is more clearly illustrated, the applicable Instant Messenger of the present invention program institute is simply introduced first
Interrogate the overall system architecture of platform.Immediate communication platform of the invention is the platform based on block chain, and block chain is integrally using connection
In the region involved in user or client, several nodes are arranged in alliance's chain form, the deployment way of node can flexible setting,
Such as: by area deployment or by operator deployment etc..Maintain an alliance Lian Nei each side between each node of block chain network
Synchronizing information.Fig. 1 a shows the system architecture schematic diagram for the immediate communication platform that the present invention is applicable in.As shown in Figure 1a, this is
System framework include:
Application layer, the client end interface including immediate communication platform；Wherein, the service object of client end interface includes webpage
Hold real-time communication user and mobile terminal real-time communication user.Application layer, which is also safeguarded, user's wallet, communication of this platform to user
The information such as compliance, the login time of behavior are recorded, and carry out certain reward on total mark according to the communication behavior of user, flat
Issue user integral on platform, integral can be used for buying service on platform, give to good friend, convert to cash, purchase commodity etc..
Integral correspondence is stored in user's wallet.
Instant messaging layer, the modules including carrying out information processing according to the operation information of client end interface；Wherein, i.e.,
When communication platform client end interface operation information include, but is not limited to it is following first, user's registration, login, audio-video
Or text communication information or transactions demand information.Wherein, the instant messaging layer progress information processing modules at least
It is including but not limited to following first, audio/video coding module, audio/video decoding module, audio and video playing module, at teletext
It is (general to insert to manage module, Encryption Decryption module, udp protocol (User Datagram Protocol) module, P2P protocol module, UPnP protocol
Use agreement) module, network path switching at runtime module, Firewall Traversing module.Wherein, audio/video coding module, for pair
Audio-video is encoded to be transmitted.Audio/video decoding module, for being decoded audio-video to carry out to audio-video
Display.Word processing module is packaged encapsulation or conversion processing etc. for carrying out to text information；Encryption Decryption module, being used for will
The user information of need for confidentiality is encrypted, and guarantees that information is only propagated or shared between specific user, other party
Raw information can not be decrypted intercepting, has ensured the information security of platform.Udp protocol module is with then by network data
Flow constriction is transmitted at the form of data packet with facilitating.P2P protocol module, for utilizing P2P protocol processes data.UPnP association
Module is discussed, is connected for peer-to-peer network.UPNP based on Internet standard and technology (such as TCP/IP, HTTP and XML),
Make such equipment that can connect and cooperate automatically each other, so that network (especially home network) be made to become more people
It may.Network path switching at runtime module, for toggle path to obtain the information of respective path, Firewall Traversing module is used for
The data information of the header packet information and packet load of analyzing data packet is passed through with deciding whether to it, to ensure safety property.
Network protocol layer, for realizing the processing of agreement used when being transmitted to information；
Block chain bottom, instant messaging layer for will be transmitted to block chain bottom treated information random dispersion plus
On each block of the close distributed data base for being stored in block chain；And for will according to instant messaging layer treated information
Feedback information is sent to instant messaging layer and further feeds back to application layer by it.
Based on above system framework, the server of immediate communication platform is constituted specifically:
Application server is set to application layer, the operation information of the client end interface for obtaining immediate communication platform；
Data server is set to instant messaging layer, for carrying out information processing according to the operation information；
Block chain server is set to block chain bottom, for by data server, treated that information is stored simultaneously
Feedback information is sent to data server accordingly and application server is further fed back to by it, so that application server will
Feedback information is sent to the client end interface of immediate communication platform.
Embodiment one
Fig. 1 b shows the flow diagram of according to embodiments of the present invention one instant communication method based on block chain, such as
Shown in Fig. 1 b, this method comprises the following steps:
Step S101 receives the instant communication information ciphertext that the first user sends, and wherein second user is the first user institute
The recipient of specified instant communication information.
The present invention is applied to immediate communication platform, which is the platform based on block chain (referring to above
Description), in the present invention, user can realize the transmitting-receiving of instant communication information by client, and client specifically can be movement
Client or webpage version client.The specific following information of instant communication information it is one or more: text information, audio-frequency information
And video information.
The instant communication information of immediate communication platform transmission is the message of ciphertext form, referred to as instant communication information ciphertext.
After first user specifies recipient of the second user as instant communication information, the first user to input instant communication information plaintext,
Instant communication information is encrypted in plain text using encryption technology, which can take any encryption skill in the prior art
Art, the present invention are not construed as limiting the encryption technology of instant communication information.
Instant communication information ciphertext is sent to second user, so that second user is to instant communication information by step S102
Ciphertext obtains instant communication information after being decrypted.
Instant communication information ciphertext is sent to second user, instant communication information ciphertext is solved using decryption technology
It is close to obtain instant communication information in plain text, instant communication information is presented to second user in plain text.The decryption technology and above-mentioned encryption
Technology is corresponding.
Instant communication information ciphertext is written in block chain step S103.
The present invention realizes the distributed preservation of the decentralization to instant communication information ciphertext with block chain.Block chain by
Multiple block compositions, each block are stored with different information, and each that user sends in instant communication process is instant
Communication message enters chain and deposits card.
Specifically, it is written in block chain after instant communication information ciphertext being carried out Hash processing.Due to being handled by Hash
Data afterwards are smaller, even if storing the cryptographic Hash of message data on chain compared to communication message ciphertext is directly stored, reducing
To the occupancy of memory space on chain, it is too fat to move to avoid data on chain, improves treatment effeciency；The node in block chain can be with simultaneously
It verifies whether cryptographic Hash changes according to hash algorithm, to verify whether message data is tampered, improves verification efficiency.
The present embodiment realizes the distributed preservation of the decentralization to instant communication information with block chain, and is deposited with ciphertext
Instant communication information is stored up, can effectively avoid communication information from being stolen, be tampered, being deleted and the case where malicious attack, with
Better ensure that user communication personal secrets.It overcomes existing traditional immediate communication platform and changes platform, platform due to centered on
There are information to be tampered, be deleted, by the unsafe problem of user communication privacy caused by the case where malicious attack.
Embodiment two
Fig. 2 shows the flow diagrams of according to embodiments of the present invention two instant communication method based on block chain, such as
Shown in Fig. 2, this method comprises the following steps:
Step S201 receives the logging request for the carrying user login information that the first user/second user is sent.
The present invention is applied to immediate communication platform, and user inputs in log-on message to the immediate communication platform.The Instant Messenger
Interrogate the log-on message that platform receives user's input.Wherein, the user login information includes but is not limited to: user login name claims,
User login code and identifying code etc..
Step S202 verifies the first user/second user identity information according to user login information.
Specifically, immediate communication platform matches it with the user information prestored according to user login information, with right
The identity of user is verified.
Step S203 records the first user/second user client address information, and by first after being proved to be successful
Block chain is written in user/second user login time stamp and client address information.
Immediate communication platform of the invention is the platform based on block chain, and block chain is made of multiple blocks, each block
Be stored with different information, each information including userspersonal information, log-on message and communication information store to
In block chain, the safety of information is advantageously ensured that.Wherein, the also recordable client release number of immediate communication platform, and will be objective
Block chain is written in Hu Duan version number and other information together.
Step S204 logins successfully response to the first user/second user return.
Step S205 sends the presence information of other side to listed first user and second user respectively.This step
It suddenly is optional step.
In the present invention, client can be mobile client or webpage version client.Presence information can include:
Online, it does not disturb, is busy, is stealthy or leave.Presence information may also include other information, herein without limitation.First uses
Family and second user can decide whether and other side's communication contact according to the presence information of other side.Another optional real
Apply in mode, without sending the presence information of other side to listed first user and second user, when the first user to
Second user sends message, it may not be necessary to know whether second user is online, after second user logs in, platform again should be from
Line message issues second user.
It is close to receive the instant communication information encrypted using the public key of second user that the first user sends by step S206
Text.
Specifically, in the registration process of second user, calling key generation facility is that second user automatically generates uniquely
The public and private key of a pair, public key recorded as a part of user's registration information, and by platform uniform management, private key is then sent to
Second user is managed oneself.Similarly, when the first user's registration, platform can also generate unique a pair of public and private for the first user
Key, for public key by platform management, private key issues the first user oneself management.
After second user is added to good friend by the first user, the public key of second user is sent to the first user by platform.
First user record has the public key of each good friend user, when needing to send instant communication information to good friend user, utilizes good friend
The public key of user encrypts message.
Instant communication information ciphertext is sent to second user, so that second user is according to second user by step S207
Private key obtains instant communication information after instant communication information ciphertext is decrypted.
The present embodiment is transmitted in message transmitting procedure with ciphertext form, and instant communication information ciphertext is sent to
After second user, second user is decrypted ciphertext according to the private key that oneself is recorded, public and private key when due to second user registration
Successful decryption can be carried out to ciphertext to generating together, therefore using private key, obtain instant communication information in plain text.
The above process for encrypting and decrypting all is the program by writing in advance to control, and realizes automatic encryption and decryption, and certainly
The case where process of dynamic encryption and decryption is unaware to chat both sides, not will cause messaging delay.
Instant communication information ciphertext is written in block chain step S208.
The present embodiment realizes the distributed preservation of the decentralization to instant communication information ciphertext with block chain.Block chain
It is made of multiple blocks, each block is stored with different information, and each that user sends in instant communication process is i.e.
When communication message enter chain and deposit card.
Specifically, it is written in block chain after instant communication information ciphertext being carried out Hash processing.Due to being handled by Hash
Data afterwards are smaller, even if storing the cryptographic Hash of message data on chain compared to communication message ciphertext is directly stored, reducing
To the occupancy of memory space on chain, it is too fat to move to avoid data on chain, improves treatment effeciency；The node in block chain can be with simultaneously
It verifies whether cryptographic Hash changes according to hash algorithm, to verify whether message data is tampered, improves verification efficiency.
According to the instant communication method provided in this embodiment based on block chain, identity is carried out to user according to logging request
Verifying, and after being proved to be successful, the first user/second user client address information is recorded, and the first user/second is used
Block chain is written in the login time stamp and client address information at family.In the present embodiment, relevant information and use that user logs in
Each instant communication information that family is sent in instant communication process enters chain and deposits card, and is disappeared with ciphertext storage instant messaging
Breath, can effectively avoid communication information from being stolen, be tampered, being deleted and the case where malicious attack, to better ensure that use
Family communicates personal secrets.It overcomes existing traditional immediate communication platform and changes platform due to centered on, there are information to be usurped for platform
Change, be deleted, by the unsafe problem of user communication privacy caused by the case where malicious attack.
Embodiment three
Fig. 3 shows the flow diagram of according to embodiments of the present invention three instant communication method based on block chain, such as
Shown in Fig. 3, this method comprises the following steps:
Step S301 receives the registration request for the carrying identity information that the first user/second user is sent.
The present invention is applied to immediate communication platform, and user asks to the registration that the immediate communication platform inputs carrying identity information
It asks.For example, user can use real name logon mode, synchronized upload ID card information to the immediate communication platform.
Identity information is written block chain, and generates corresponding block chain address by step S302.
Immediate communication platform of the invention is the platform based on block chain, and block chain is made of multiple blocks, each block
It is stored with different information, identity information is written in block chain and is generated corresponding block chain address, when user logs in
The information can be called to carry out the matching verifying of user identity.Identity information is entered chain and deposits card by the present embodiment, can effectively be avoided
Identity information is stolen, is tampered, being deleted and the case where malicious attack, to better ensure that privacy of user safety.
Step S303 is that the first user/second user generates a pair of of public key and private key using key generation facility.
Key generation facility outside platform calling automatically generates unique a pair of public and private for the first user/second user
Key, public key are recorded as a part of user's registration information, by platform uniform management, private key be then sent to the first user/
Second user is managed oneself.
Step S304 returns to response of succeeding in registration to the first user/second user, and records the first user/second user
Corresponding block chain address and public key.
Step S305 receives the logging request for the carrying user login information that the first user/second user is sent.
The present embodiment step is referring to the step S201 in embodiment two, and details are not described herein.
Step S306 verifies the first user/second user identity information according to user login information.
The present embodiment step is referring to the step S202 in embodiment two, and details are not described herein.
Step S307 records the first user/second user client address information, and by first after being proved to be successful
Block chain is written in user/second user login time stamp and client address information.
The present embodiment step is referring to the step S203 in embodiment two, and details are not described herein.
Step S308 logins successfully response to the first user/second user return.
It is close to receive the instant communication information encrypted using the public key of second user that the first user sends by step S309
Text.
The present embodiment step is referring to the step S206 in embodiment two, and details are not described herein.
Instant communication information ciphertext is sent to second user, so that second user is according to second user by step S310
Private key obtains instant communication information after instant communication information ciphertext is decrypted.
The present embodiment step is referring to the step S207 in embodiment two, and details are not described herein.
Instant communication information ciphertext is written in block chain step S311.
The present embodiment step is referring to the step S208 in embodiment two, and details are not described herein.
According to the instant communication method provided in this embodiment based on block chain, receives the first user/second user and send
Carrying identity information registration request.Block chain is written into identity information, and generates corresponding block chain address.It is used to first
Family/second user returns to response of succeeding in registration, and records the corresponding block chain address of the first user/second user.With block chain
Realize that the distributed of the decentralization to data saves, can effectively avoid communication information from being stolen, be tampered, be deleted with
And the case where malicious attack, to better ensure that user communication personal secrets.Overcome existing traditional immediate communication platform by
Change platform centered on, there are information to be tampered for platform, be deleted, by user communication privacy caused by the case where malicious attack
Unsafe problem.
Example IV
Fig. 4 shows the flow diagram of according to embodiments of the present invention four instant communication method based on block chain, such as
Shown in Fig. 4, this method includes above-mentioned steps S301 to step S311, further, this method further includes:
Step S312 generates the first user/second user integration information according to the information recorded in block chain, by the
In the first user of one user/second user integration information typing/second user wallet account.
The integral of the invention can be carried out according to the communication behavior of user, such as can be according to the communication credit of user
With log in market carry out certain reward on total mark, the integral can be used on the immediate communication platform buy service, give to
Good friend converts to cash, purchase commodity etc., and integral correspondence is stored in user's wallet account.
Embodiment five
Fig. 5 shows the structural block diagram of according to embodiments of the present invention five instant communication device based on block chain, such as Fig. 5
Shown, being somebody's turn to do the instant communication device 500 based on block chain includes:
Receiving module 510, for receiving the instant communication information ciphertext of the first user transmission, wherein the second user is
The recipient of instant communication information specified by first user；
Sending module 520, for the instant communication information ciphertext to be sent to second user, for the second user
The instant communication information is obtained after the instant communication information ciphertext is decrypted；
Memory module 530, in instant communication information ciphertext write-in block chain.
Optionally, receiving module 510 is specifically used for: receiving adding using the public key of second user for the first user transmission
Close instant communication information ciphertext.Sending module 520 is specifically used for: the instant communication information ciphertext is transmitted to the second use
Family obtains described after the instant communication information ciphertext is decrypted according to the private key of second user for the second user
Instant communication information.
Optionally, the public key and private key of the second user are generated in second user registration process；Described device is also
It include: notification module 540, for after second user is added to good friend by the first user, the public key of second user to be sent to
First user.
Optionally, described device 500 further includes login module 550, is used for: receiving what the first user/second user was sent
Carry the logging request of user login information；The first user/second user identity information is carried out according to user login information
Verifying；After being proved to be successful, the first user/second user client address information is recorded, and by the first user/second user
Login time stamp and client address information be written block chain；Response is logined successfully to the first user/second user return.
Optionally, described device 500 further includes registration module 560, is used for: receiving what the first user/second user was sent
Carry the registration request of identity information；Block chain is written into identity information, and generates corresponding block chain address；It is raw using key
It is that the first user/second user generates a pair of of public key and private key at tool；Private key is carried to the first user/second user return
Response of succeeding in registration, and record the corresponding block chain address of the first user/second user and public key.
Optionally, described device 500 further include: Hash processing module 570, for instant communication information ciphertext to be breathed out
It is written in block chain after uncommon processing.
Optionally, described device 500 further include: Integral Processing module 580, for according to the information recorded in block chain,
The first user/second user integration information is generated, by the first user/second user integration information the first user/the of typing
In the wallet account of two users.
According to the instant communication device provided in this embodiment based on block chain, with block chain come realize to identity information,
The distributed of the decentralization of the instant communication information of interaction saves between user login information and user, and with ciphertext shape
Formula stores instant communication information, can effectively avoid communication information from being stolen, be tampered, being deleted and the feelings of malicious attack
Condition, to better ensure that user communication personal secrets.It overcomes existing traditional immediate communication platform and changes platform due to centered on,
There are information to be tampered for platform, be deleted, by the unsafe problem of user communication privacy caused by the case where malicious attack.
Embodiment six
The embodiment of the present invention six provides a kind of nonvolatile computer storage media, the computer storage medium storage
Have an at least executable instruction, the computer executable instructions can be performed in above-mentioned any means embodiment based on block chain
Instant communication method.
Embodiment seven
Fig. 6 shows a kind of structural schematic diagram of according to embodiments of the present invention seven calculating equipment, present invention specific implementation
Example does not limit the specific implementation for calculating equipment.
As shown in fig. 6, the calculating equipment may include: processor (processor) 602, communication interface
(Communications Interface) 604, memory (memory) 606 and communication bus 608.
Wherein:
Processor 602, communication interface 604 and memory 606 complete mutual communication by communication bus 608.
Communication interface 604, for being communicated with the network element of other equipment such as client or other servers etc..
It is real can specifically to execute the above-mentioned instant communication method based on block chain for executing program 610 for processor 602
Apply the correlation step in example.
Specifically, program 610 may include program code, which includes computer operation instruction.
Processor 602 may be central processor CPU or specific integrated circuit ASIC (Application
Specific Integrated Circuit), or be arranged to implement the integrated electricity of one or more of the embodiment of the present invention
Road.The one or more processors that equipment includes are calculated, can be same type of processor, such as one or more CPU；It can also
To be different types of processor, such as one or more CPU and one or more ASIC.
Memory 606, for storing program 610.Memory 606 may include high speed RAM memory, it is also possible to further include
Nonvolatile memory (non-volatile memory), for example, at least a magnetic disk storage.
Program 610 specifically can be used for so that processor 602 execute in above-mentioned any means embodiment based on block chain
Instant communication method.The specific implementation of each step may refer to the above-mentioned instant communication method based on block chain in program 610
And corresponding description in corresponding steps in Installation practice and unit, this will not be repeated here.Those skilled in the art can be with
It is well understood, for convenience and simplicity of description, the equipment of foregoing description and the specific work process of module, before can referring to
The corresponding process description in embodiment of the method is stated, details are not described herein.
Algorithm and display are not inherently related to any particular computer, virtual system, or other device provided herein.
Various general-purpose systems can also be used together with teachings based herein.As described above, it constructs required by this kind of system
Structure be obvious.In addition, the present invention is also not directed to any particular programming language.It should be understood that can use various
Programming language realizes summary of the invention described herein, and the description done above to language-specific is to disclose this hair
Bright preferred forms.
In the instructions provided here, numerous specific details are set forth.It is to be appreciated, however, that implementation of the invention
Example can be practiced without these specific details.In some instances, well known method, structure is not been shown in detail
And technology, so as not to obscure the understanding of this specification.
Similarly, it should be understood that in order to simplify the disclosure and help to understand one or more of the various inventive aspects,
Above in the description of exemplary embodiment of the present invention, each feature of the invention is grouped together into single implementation sometimes
In example, figure or descriptions thereof.However, the disclosed method should not be interpreted as reflecting the following intention: i.e. required to protect
Shield the present invention claims features more more than feature expressly recited in each claim.More precisely, as following
Claims reflect as, inventive aspect is all features less than single embodiment disclosed above.Therefore,
Thus the claims for following specific embodiment are expressly incorporated in the specific embodiment, wherein each claim itself
All as a separate embodiment of the present invention.
Those skilled in the art will understand that can be carried out adaptively to the module in the equipment in embodiment
Change and they are arranged in one or more devices different from this embodiment.It can be the module or list in embodiment
Member or component are combined into a module or unit or component, and furthermore they can be divided into multiple submodule or subelement or
Sub-component.Other than such feature and/or at least some of process or unit exclude each other, it can use any
Combination is to all features disclosed in this specification (including adjoint claim, abstract and attached drawing) and so disclosed
All process or units of what method or apparatus are combined.Unless expressly stated otherwise, this specification is (including adjoint power
Benefit require, abstract and attached drawing) disclosed in each feature can carry out generation with an alternative feature that provides the same, equivalent, or similar purpose
It replaces.
In addition, it will be appreciated by those of skill in the art that although some embodiments described herein include other embodiments
In included certain features rather than other feature, but the combination of the feature of different embodiments mean it is of the invention
Within the scope of and form different embodiments.For example, in the following claims, embodiment claimed is appointed
Meaning one of can in any combination mode come using.
Various component embodiments of the invention can be implemented in hardware, or to run on one or more processors
Software module realize, or be implemented in a combination thereof.It will be understood by those of skill in the art that can be used in practice
Microprocessor or digital signal processor (DSP) realize one of some or all components according to embodiments of the present invention
A little or repertoire.The present invention is also implemented as setting for executing some or all of method as described herein
Standby or program of device (for example, computer program and computer program product).It is such to realize that program of the invention deposit
Storage on a computer-readable medium, or may be in the form of one or more signals.Such signal can be from because of spy
It downloads and obtains on net website, be perhaps provided on the carrier signal or be provided in any other form.
It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and ability
Field technique personnel can be designed alternative embodiment without departing from the scope of the appended claims.In the claims,
Any reference symbol between parentheses should not be configured to limitations on claims.Word "comprising" does not exclude the presence of not
Element or step listed in the claims.Word "a" or "an" located in front of the element does not exclude the presence of multiple such
Element.The present invention can be by means of including the hardware of several different elements and being come by means of properly programmed computer real
It is existing.In the unit claims listing several devices, several in these devices can be through the same hardware branch
To embody.The use of word first, second, and third does not indicate any sequence.These words can be explained and be run after fame
Claim.
Claims (12)
1. a kind of instant communication method based on block chain, which is characterized in that the described method includes:
The instant communication information ciphertext for receiving the first user transmission, wherein the second user is instant specified by the first user
The recipient of communication message；
The instant communication information ciphertext is sent to second user, so that the second user is close to the instant communication information
Text obtains the instant communication information after being decrypted；
And the instant communication information ciphertext is written in block chain.
2. the method according to claim 1, wherein the instant communication information for receiving the first user transmission is close
Text specifically: receive the instant communication information ciphertext encrypted using the public key of second user that the first user sends；
The second user obtains the instant communication information after the instant communication information ciphertext is decrypted specifically: institute
It states after second user is decrypted the instant communication information ciphertext according to the private key of second user and obtains the instant messaging
Message.
3. according to the method described in claim 2, it is characterized in that, the public key and private key of the second user are in second user
It is generated in registration process；
The method also includes: after second user is added to good friend by the first user, the public key of second user is sent to
One user.
4. the method according to claim 1, wherein the instant communication information sent in the first user of the reception
Before ciphertext, the method also includes:
Receive the logging request for the carrying user login information that the first user/second user is sent；
The first user/second user identity information is verified according to user login information；
After being proved to be successful, the first user/second user client address information is recorded, and by the first user/second user
Login time stamp and client address information be written block chain；
Response is logined successfully to the first user/second user return.
5. according to the method described in claim 4, it is characterized in that, the carrying for receiving the first user/second user and sending
Before the logging request of user login information, the method also includes:
Receive the registration request for the carrying identity information that the first user/second user is sent；
Block chain is written into identity information, and generates corresponding block chain address；
It is that the first user/second user generates a pair of of public key and private key using key generation facility；
The response of succeeding in registration for carrying private key is returned to the first user/second user, and records the first user/second user pair
The block chain address and public key answered.
6. the method according to claim 1, wherein described instant communication information ciphertext is written in block chain has
Body are as follows: be written in block chain after instant communication information ciphertext is carried out Hash processing.
7. method according to claim 1 to 6, which is characterized in that the method also includes:
According to the information recorded in block chain, the first user/second user integration information is generated, the first user/second is used
In the first user of integration information typing/second user wallet account at family.
8. the method according to claim 1, wherein the instant communication information specifically one kind of following information or
It is a variety of: text information, audio-frequency information and video information.
9. according to the method described in claim 4, it is characterized in that, first user/second user client address is believed
Breath specifically: the IP address and port of webpage client or mobile client.
10. a kind of instant communication device based on block chain, which is characterized in that described device includes:
Receiving module, for receiving the instant communication information ciphertext of the first user transmission, wherein the second user is the first use
The recipient of instant communication information specified by family；
Sending module, for the instant communication information ciphertext to be sent to second user, so that the second user is to described
Instant communication information ciphertext obtains the instant communication information after being decrypted；
Memory module, in instant communication information ciphertext write-in block chain.
11. a kind of calculating equipment, comprising: processor, memory, communication interface and communication bus, the processor, the storage
Device and the communication interface complete mutual communication by the communication bus；
The memory executes the processor as right is wanted for storing an at least executable instruction, the executable instruction
Ask the corresponding operation of the instant communication method based on block chain described in any one of 1-9.
12. a kind of computer storage medium, an at least executable instruction, the executable instruction are stored in the storage medium
Processor is set to execute the corresponding operation of instant communication method as claimed in any one of claims 1-9 wherein based on block chain.
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|---|---|---|---|
| CN201811043374.6A CN109245993A (en) | 2018-09-07 | 2018-09-07 | Instant communication method and device based on block chain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811043374.6A CN109245993A (en) | 2018-09-07 | 2018-09-07 | Instant communication method and device based on block chain |
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| Publication Number | Publication Date |
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| CN109245993A true CN109245993A (en) | 2019-01-18 |
Family
ID=65060235
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811043374.6A Withdrawn CN109245993A (en) | 2018-09-07 | 2018-09-07 | Instant communication method and device based on block chain |
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| CN110035002A (en) * | 2019-04-01 | 2019-07-19 | 深圳前海达闼云端智能科技有限公司 | Method for implementing instant messaging, terminal equipment and storage medium |
| CN110650083A (en) * | 2019-10-15 | 2020-01-03 | 腾讯科技（深圳）有限公司 | Message filtering method and device |
| CN111245799A (en) * | 2020-01-02 | 2020-06-05 | 腾讯科技（深圳）有限公司 | Information monitoring method and device and readable storage medium |
| CN112560057A (en) * | 2020-12-16 | 2021-03-26 | 深圳市大中华区块链科技有限公司 | Business social system based on block chain and IPFS technology |
| CN112751841A (en) * | 2020-12-25 | 2021-05-04 | 江苏通付盾科技有限公司 | Encryption communication method and system based on block chain technology |
| CN112769963A (en) * | 2021-04-07 | 2021-05-07 | 暗链科技(深圳)有限公司 | Node communication method based on block distributed block chain and electronic equipment |
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| CN112995298A (en) * | 2021-02-06 | 2021-06-18 | 福建博泉哈希科技有限公司 | Block chain-based communication method and storage medium |
| CN113194069A (en) * | 2021-03-30 | 2021-07-30 | 深圳博瑞天下科技有限公司 | Communication tracing method, communication tracing device and medium based on block chain |
| CN113364666A (en) * | 2021-05-25 | 2021-09-07 | 杭州复杂美科技有限公司 | Instant messaging method, computer equipment and storage medium |
| CN113691437A (en) * | 2020-05-18 | 2021-11-23 | 山东浪潮质量链科技有限公司 | Instant messaging method, equipment and medium based on block chain |
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| CN113691437B (en) * | 2020-05-18 | 2023-04-18 | 山东浪潮质量链科技有限公司 | Instant messaging method, equipment and medium based on block chain |
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| CN112560057B (en) * | 2020-12-16 | 2022-11-18 | 深圳市大中华区块链科技有限公司 | Business social system based on block chain and IPFS technology |
| CN112560057A (en) * | 2020-12-16 | 2021-03-26 | 深圳市大中华区块链科技有限公司 | Business social system based on block chain and IPFS technology |
| CN112751841A (en) * | 2020-12-25 | 2021-05-04 | 江苏通付盾科技有限公司 | Encryption communication method and system based on block chain technology |
| CN112866090A (en) * | 2021-01-20 | 2021-05-28 | 临沂呆马区块链网络科技有限公司 | Instant communication system and method fusing block chain and point-to-point communication |
| CN112995298A (en) * | 2021-02-06 | 2021-06-18 | 福建博泉哈希科技有限公司 | Block chain-based communication method and storage medium |
| CN113194069A (en) * | 2021-03-30 | 2021-07-30 | 深圳博瑞天下科技有限公司 | Communication tracing method, communication tracing device and medium based on block chain |
| CN112769963A (en) * | 2021-04-07 | 2021-05-07 | 暗链科技(深圳)有限公司 | Node communication method based on block distributed block chain and electronic equipment |
| CN113364666A (en) * | 2021-05-25 | 2021-09-07 | 杭州复杂美科技有限公司 | Instant messaging method, computer equipment and storage medium |
| CN113364666B (en) * | 2021-05-25 | 2022-06-28 | 杭州复杂美科技有限公司 | Instant messaging method, computer equipment and storage medium |
| CN116112458A (en) * | 2023-02-09 | 2023-05-12 | 网易（杭州）网络有限公司 | Communication method, device, equipment and storage medium |
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