CN110351258A - A kind of distributed electronic mailbox system based on no coin block chain technology - Google Patents
A kind of distributed electronic mailbox system based on no coin block chain technology Download PDFInfo
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- CN110351258A CN110351258A CN201910571130.3A CN201910571130A CN110351258A CN 110351258 A CN110351258 A CN 110351258A CN 201910571130 A CN201910571130 A CN 201910571130A CN 110351258 A CN110351258 A CN 110351258A
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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
- H04L51/42—Mailbox-related aspects, e.g. synchronisation of mailboxes
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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
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
- H04L63/0823—Network architectures or network communication protocols for network security for authentication of entities using certificates
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/104—Peer-to-peer [P2P] networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
- H04L9/0643—Hash functions, e.g. MD5, SHA, HMAC or f9 MAC
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/3263—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving certificates, e.g. public key certificate [PKC] or attribute certificate [AC]; Public key infrastructure [PKI] arrangements
Abstract
The present invention relates to block chain technology and E-mail technologies, propose a kind of distributed electronic mailbox system based on no coin block chain technology, which includes: client, non-system nodes server and system node server.The present invention establishes the mapping relations of user and block chain address, by the way that user's e-mail theme and content-encrypt packing are charged to block, the address of the addressee being sent in block chain network, postman is served as by the non-system nodes server of alliance's chain, the expense of advertisement is launched as postage by advertiser, and addressee checks mail by the decryption of its private key to achieve the purpose that communication.The present invention utilizes the characteristic of block chain distribution account book; the operation of system is depended on alliance's chain; it avoids mail to lose, can not access, be deleted, by the risk of falsification, realizes protection privacy, a low cost, safe and reliable distributed electronic mailbox system.
Description
Technical field
The present invention relates to block chain technology and E-mail technology more particularly to a kind of points based on no coin block chain technology
Cloth mail box system.
Background technique
With the development of network communications technology, mail box system has become the common tool of people's communication exchange.But
In the actual use of current centralization E-mail address, there is following risk:
Risk of missing
The mailbox service platform of centralization, since its operation cost is limited, the mail data backup of user is limited, once hair
Raw disaster, the operating service that will cause loss of data or service provider are closed, and mail can not access, or even the permanent closing of service,
The loss for causing user mail that can not recover from this.
The risk that can not be accessed
The mailbox service platform of centralization, once user's central access logs in, may cause in short-term since its centralization degree is high
Between the server speed of service decline even paralyse, there is the phenomenon that user's access delay or denied access.
By risk of attacks
In centralization mailbox service system, the problem of some mail protocols do not fully consider mail security at the beginning of design, and
And different service providers payes attention to difference to the safety of mailbox system.Hacker attacks for the loophole of mailbox system, violence
The mail data for cracking simple encryption will cause the Mail Contents leakage of user, be stolen or distort.
The risk defalcated
Due to the operation way of existing mailbox service system centralization, once choose the right person for the job, interests it is relevant tissue or
Individual can defalcate, and cause to encroach on to the privacy of user, or even steal and sell the personal information of user.
Monitor risk
The mail data needs that user sends transmit between different server, once the transmission between each server does not add
It is close, just e-mail messages is easily caused to be intercepted, occurred by the risk of these server monitorings.
Annoying to the above dangerous enterprise, government and personal user, and block chain technology be then expected to eliminate it is above-mentioned
Risk.Block chain (Blockchain) is a kind of linked data structure of decentralization, using distributed node know together algorithm come
It generates, verifying and update transaction data, the safety for being guaranteed data transmission in the way of Asymmetric Cryptography and being accessed are generated not
The distributed account book that can be distorted and can not forge, establishes the data network trusted each other.Each node in publicly-owned block chain
It is equality, there is no the management organization of centralization, the characteristics of this " decentralization " makes block chain without relying on third party
Central authority, running can independently carry out self-authentication, the damage of the arbitrarily small part of nodes in network or lose all
It will not influence the running of whole system.But the stronger ideal money of Financial Attributes such as general publicly-owned chain and logical card Token combines
Together, if it is possible to a kind of incentive mechanism instead of ideal money is found, then can achieve " removing coin ", and in alliance's chain
The commercial advertisement for introducing modern society can accomplish this point.Based on the above analysis, the present invention may be implemented a protection privacy,
Inexpensive, safe and reliable distributed electronic mailbox system.
Summary of the invention
The present invention overcomes the shortcomings of the prior art, technical problem to be solved are as follows: provides one kind based on no coin area
The distributed electronic mailbox system of block chain technology solves the privacy leakage and information security of centralized server mail box system
Problem.
A kind of distributed electronic mailbox system based on no coin block chain technology, including client, non-system nodes service
Device, system node server；Three is communicated to connect by block chain network；
Wherein, client includes client core model and client platform interface；Client core model includes user's registration
Module, address list management module, writes letter and sends e-mail module, sending module, addressee tank module, account at user log-in block
Family management module, advertisement module and exit module；User registration module is used for the creation of user information；User log-in block is used for
The verifying of user information；Address list management module changes for the additions and deletions of contact name, public key, email address to be looked into；It writes letter and sends out
Send e-mail module for text editing function, mail encryption, the transmission and broadcast of mail；Sending module check for user and
Retrieve the mail sent；The mail decryption and email search that addressee tank module is used to receive；Account management module is used
In user information modification, key management；Advertisement module is used for the push and update of advertisement；Module is exited to exit for realizing user
The function of client；
Client platform interface includes user's registration login window, address list management window, writes letter and send Netscape Mail, sent out
Send window, inbox window, personal account management window；User registers in user's registration login window, establishes personal use
Name in an account book, login password generate or import address on the private key, public key, mail address/chain of user；Registration user successfully logs in visitor
After the end of family, individual address is created by address list management window, adds title, public key, the mail address/chain of remaining user
Among upper address to email address list；By writing letter and sending Netscape Mail editor e-mail theme and content, addressee is added
Address, and communications content is encrypted to the address of the addressee being sent in block chain network；It checks and examines by having sent window
Mail after rope transmission；It checked by inbox window decryption, retrieve the e-mail messages sent other addresses；Pass through account pipe
Manage modification, key management that window carries out username and password；
Non-system nodes server includes several endorsement nodes, ordering joint and confirmation node；The mail that client is sent is sent
Request carries out legitimacy inspection, and using endorsement, sequence after confirmation, is written in block account book；
System node server includes CA node, and CA node realizes rights management for providing the identity information of network node.
Wherein, block chain is distributed frame, the alliance's chain with member identities and rights management function of P2P network,
It is not related to any coin and logical card.
Wherein, mailbox system is decentralization system, the damage of the arbitrarily small part of nodes in network or loses not shadow
The running of acoustic system.
Wherein, the e-mail messages data whole cochain in mailbox system.
Wherein, it by charging to e-mail theme and content-encrypt on block chain in mailbox system, and utilizes asymmetric close
The safety of mode certified mail information data transmission and access that code is learned.
Wherein, the operation of mailbox system depends on block chain, carries out postal by the non-system nodes server of alliance's chain
Part postal delivery, advertiser launch the expense of advertisement as mailing cost, when user uses the client with advertisement, send mail and exempt from
Take.
Wherein, the e-mail messages for being sent to oneself address can be extracted and be decrypted by the user in mailbox system, reached and checked and accepted
The purpose of mail.
Wherein, in mailbox system user any sensitive information, be stored in client.
Wherein, client includes desktop application end or mobile phone mobile terminal, and client is responsible for the transmission of e-mail messages, block counts
According to retrieval and reception.
Wherein, the client in mailbox system by all passwords, key stored in clear in memory field, user exits client
After end, all memory field data are removed automatically, and the remainder data of client is stored in client local data base memory block.
Compared with the prior art, the invention has the following beneficial effects:
1, the present invention is based on block chain technology, decentralization will not influence whole system having node damage even if in network
Running, mail are never lost.
2, the present invention is based on block chain technology, all non-management nodes have mail data on chain, as long as network communication
It is unimpeded, the phenomenon that user's access delay or denied access would not occur.
3, the present invention is based on block chain technologies, have used hash function and rivest, shamir, adelman, and hacker, which can not crack, to be added
Close mail data, therefore not will cause the Mail Contents leakage of user, and the chain structure of block chain can guarantee number on chain
According to can not be tampered.
4, the present invention is based on block chain technologies, and any sensitive information of user is only stored in the client of user, even if being
System node server does not have permission to access the private data of these users yet, therefore avoids the relevant tissue of interests or personal prison
It keeps from the possibility stolen, protects the privacy of user.
5, the present invention is based on block chain technology, mail data is deposited always with ciphertext form from the transmission of origin-to-destination
, it is ensured that safety of the mail data in entire transmission process.
6, the present invention is based on block chain technology, non-system nodes server can by the mechanism that largely disperses and it is personal into
Row O&M also provides a large amount of business revenue opportunities while safeguards system runs well.
Detailed description of the invention
Fig. 1 is the distributed electronic mailbox system schematic diagram provided in an embodiment of the present invention based on no coin block chain technology；
Fig. 2 is the distributed electronic mailbox system architecture diagram provided in an embodiment of the present invention based on no coin block chain technology；
Fig. 3 is the client data of the distributed electronic mailbox system provided in an embodiment of the present invention based on no coin block chain technology
Storage organization figure；
Fig. 4 is the registration module stream of the distributed electronic mailbox system provided in an embodiment of the present invention based on no coin block chain technology
Cheng Tu；
Fig. 5 is that the private key encryption of the distributed electronic mailbox system provided in an embodiment of the present invention based on no coin block chain technology is former
Reason figure；
Fig. 6 is the login module stream of the distributed electronic mailbox system provided in an embodiment of the present invention based on no coin block chain technology
Cheng Tu；
Fig. 7 is that the login authentication of the distributed electronic mailbox system provided in an embodiment of the present invention based on no coin block chain technology is former
Reason figure；
Fig. 8 is the address list management of the distributed electronic mailbox system provided in an embodiment of the present invention based on no coin block chain technology
Functions of modules figure；
Fig. 9 is the account management mould of the distributed electronic mailbox system provided in an embodiment of the present invention based on no coin block chain technology
Block functional diagram；
Figure 10 is writing letter and sending out for the distributed electronic mailbox system provided in an embodiment of the present invention based on no coin block chain technology
Send e-mail module flow chart；
Figure 11 is the transmission mail of the distributed electronic mailbox system provided in an embodiment of the present invention based on no coin block chain technology
Module principle figure；
Figure 12 is the transmission mould of the distributed electronic mailbox system provided in an embodiment of the present invention based on no coin block chain technology
Block schematic diagram；
Figure 13 is the inbox mould of the distributed electronic mailbox system provided in an embodiment of the present invention based on no coin block chain technology
Block schematic diagram；
Figure 14 is the endorsement node of the distributed electronic mailbox system provided in an embodiment of the present invention based on no coin block chain technology
Flow chart；
Figure 15 is the ordering joint of the distributed electronic mailbox system provided in an embodiment of the present invention based on no coin block chain technology
Flow chart；
Figure 16 is the confirmation node of the distributed electronic mailbox system provided in an embodiment of the present invention based on no coin block chain technology
Flow chart.
Specific embodiment
It in order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below will be in the embodiment of the present invention
Technical solution be clearly and completely described, it is clear that described embodiment is a part of the embodiments of the present invention, without
It is whole embodiments；Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
Every other embodiment obtained is put, shall fall within the protection scope of the present invention.
Since block chain technology type is more, implementation method of the invention is understood for convenience, to some of important thin
Section is illustrated.
In block chain network, data are recorded permanently in the form of a file, referred to as block, once new block cochain is true
Recognize, just again cannot change or delete.Each block has recorded the All Activity thing occurred interior for the previous period that it is created
Part, and these transaction have used rivest, shamir, adelman.Citing: when user A will send information to B, A is believed with the public key encryption of B
Breath, is signed with the private key of A again later；It after B receives this message, is verified with the public key of A, strictly A is sent out, and is used in combination
The private key of B is decrypted to obtain the message of A transmission.Block chain is divided into publicly-owned chain, alliance's chain, privately owned chain.Only alliance's chain can be accomplished
Without coin, the ability with member identities and rights management, and possess enough decentralization degree.Such as: alliance's chain
Include CA node, endorsement node, ordering joint, confirmation node in Fabric.Wherein system node server refers to CA node, remaining
Three kinds of nodes belong to non-system nodes server.CA node provides the identity information of network node, realizes rights management.Endorsement section
Point verifies transaction prediction scheme, simulates execution and endorsement.The transaction that ordering joint sends each node is ranked up.Confirmation
Node is responsible for examining the legitimacy of transaction, and updates and safeguard block chain data and account book state, protects on each confirmation node
Deposit a copy of account book.
Core of the invention is, establishes the mapping relations of user and block chain address, and client adds the mail of user
Address of the addressee that is close to be packed into block, being sent in block chain network can also extract the mail for being sent to oneself address simultaneously
Decryption, achievees the purpose that check and accept mail.The operation of this system depends on block chain, by the non-system nodes service of alliance's chain
Device serves as postman, and advertiser launches the expense of advertisement as postage.
The present invention is based on the distributed electronic mailbox system schematic diagrames of no coin block chain technology as shown in Figure 1, user A passes through
Client sends mail to user B, and user B checks and accepts mail on the client；All mails of all users are encrypted storage
In distributed network node, these nodes provide distributed cryptographic storage service for whole system, and are directed to these nodes
Excitation be expense that advertiser provides, gray advertisement can launch in the client of system user, and user passes through browsing
Advertisement achievees the purpose that freely to use mailbox system.It will be seen from figure 1 that present system constructs a complete business life
State closed loop.
The present invention is based on the distributed electronic mailbox system architecture diagram of no coin block chain technology as shown in Fig. 2, including client
End, non-system nodes server, system node server；Three is communicated to connect by block chain network；
Wherein, client includes client core model and client platform interface；Client core model includes user's registration
Module, address list management module, writes letter and sends e-mail module, sending module, addressee tank module, account at user log-in block
Family management module, advertisement module and exit module；User registration module is used for the creation of user information；User log-in block is used for
The verifying of user information；Address list management module changes for the additions and deletions of contact name, public key, email address to be looked into；It writes letter and sends out
Send e-mail module for text editing function, mail encryption, the transmission and broadcast of mail；Sending module check for user and
Retrieve the mail sent；The mail decryption and email search that addressee tank module is used to receive；Account management module is used
In user information modification, key management；Advertisement module is used for the push and update of advertisement；Module is exited to exit for realizing user
The function of client；
Client platform interface includes user's registration login window, address list management window, writes letter and send Netscape Mail, sent out
Send window, inbox window, personal account management window；User registers in user's registration login window, establishes personal use
Name in an account book, login password generate or import address on the private key, public key, mail address/chain of user；Registration user successfully logs in visitor
After the end of family, individual address is created by address list management window, adds title, public key, the mail address/chain of remaining user
Among upper address to email address list；By writing letter and sending Netscape Mail editor e-mail theme and content, addressee is added
Address, and communications content is encrypted to the address of the addressee being sent in block chain network；It checks and examines by having sent window
Mail after rope transmission；It checked by inbox window decryption, retrieve the e-mail messages sent other addresses；Pass through account pipe
Manage modification, key management that window carries out username and password；
Non-system nodes server includes several endorsement nodes, ordering joint and confirmation node；The mail that client is sent is sent
Request carries out legitimacy inspection, and using endorsement, sequence after confirmation, is written in block account book；
System node server includes CA node, and CA node realizes rights management for providing the identity information of network node.
Wherein fabric is the system node server that several CA nodes are constituted, these management nodes give block link network
Non-system nodes server in network provides, generates or cancels the identity information based on digital certificate, realizes the pipe of permission control
Reason.Middle layer non-system nodes server constitutes decentralization peer-to-peer network node, the mail number being responsible on storage and processing chain
According to, be specifically divided into endorsement node, ordering joint and confirmation node.Top layer client not only includes all cores of mail box system
Core module, operation also store the personal sensitive information of user, the especially private key of user.The core operation of client, such as private key
It generates, private key storage, private key deletion, address list management, write letter, do not need to do interaction in non-system nodes server,
Other inquiry operations for such as sending mail, mail will finally connect block chain link point.Client is divided into two layer datas and deposits
Storage structure: memory field and local data base memory block, memory field store all passwords of user, key plain, and user exits visitor
After the end of family, all memory field data are removed automatically, and the remainder data of client is stored in local data base memory block, such as schemes
Shown in 3.
The executing subject of the embodiment of the present application is the client and non-system nodes server, system section of the E-mail address
Point server, each corn module in detailed description below architecture diagram.
Client
Registration module --- present system needs user's registration, to ensure to possess the behaviour for mailbox system and block chain key
Make permission.User is as shown in Figure 4 in the process of client registers module.User initially sets up personal user's name, login password, visitor
Family end automatically encrypts login password, then generates or import private key, the public key, mail address of user.Wherein mail
Location is the address of block chain, is generated by public key, and public key is generated by private key, and private key can both be automatically generated by system client,
It can also be by already existing private key outside user's import system.System will not stored in clear user private key, and automatically to it
Encryption storage is carried out, the principle and process of the logged password encryption of private key are as shown in Figure 5.Client generates a several words first
Random number, i.e. master key are saved, master key ciphertext is generated to master key encryption using login password later, then uses master key
Private key is encrypted, private key ciphertext is generated, modification logging, master key and private key is finally stored in memory field, by master key
Ciphertext, private key ciphertext, user name, client public key, user mail address are placed in the local data base memory block of client.
Login module --- for the login authentication of user, process is as shown in Figure 6.User initiates debarkation authentication in client
Request, only correct verification username and password just can enter system, once possess the control to system into system
Limit, the especially operating right to block chain wallet under the user name.When login authentication, client can be by the password of user's input
It is encrypted, obtains the ciphertext of login password, then can be compared with the login password ciphertext stored when user's registration of the same name,
If identical, login successfully, otherwise login failure, principle is as shown in Figure 7.After user logins successfully, client is used
Login password decrypts master key ciphertext, reuses master key and decrypts to private key for user, by after decryption master key and user it is private
Key and modification logging terminate-and-stay-resident.
Exit module --- it is exited for user from client, client will remove all memory field data automatically.It is different
User between switch, first exit, then logged in.
Address list management module --- the additions and deletions including contact name, public key, email address, which change, looks into, function such as Fig. 8 institute
Show.After user logs in client, the title of contact person, public key, address on email address/chain can be increased, client by its
Local data base is stored, and establishes the retrieval list of contact person and retrieves pointer and be equally stored in local data base.User deletes
Except/modification contact name, public key, email address, that is, the contact data of client is deleted/modifies, while deleting/modifying inspection
Corresponding data in Suo Liebiao.User keys in title, public key or the email address inquiry of contact person, and client is according to keyword
The traversal queries in retrieval list, and query result is returned from database.
Account management module --- the modification including user's name, login password, private key, public key, mail address export,
It deletes, generate and imports, function is as shown in Figure 9.After user logs in client, user's name and login password can be carried out
Modification, client automatically store login password re-encrypted, regenerate master key, master key ciphertext and private key ciphertext.?
Private key, public key, mail address can be exported, are then stored in outside FTP client FTP.User can also delete private key, public affairs
Key, mail address, regenerate and import later private key, public key, mail address, and client regenerates private key ciphertext automatically and deposits
Storage is in the local database.
Write letter and send e-mail module --- creation, editor and transmission, process including mail are as shown in Figure 10.User is first
First in the address of the addressee for writing letter and sending Netscape Mail input or addition mail, client can be automatically by the postal of user oneself
Part address is added after address of the addressee, i.e., client, which is defaulted, also sends an envelope mail to user oneself, is then filled out mail
Theme then fills in Mail Contents, and after editor completes, rearmost point percussion is sent.Wherein send principle such as Figure 11 of e-mail module
Shown, after user clicks transmission, mail matter topics and content are packaged by client first, then using the public key of addressee to it
It is encrypted, by information packages such as sender address, address of the addressee, encrypted mails.In order to use private key to transmission postal
Part carries out signature authorization, needs to obtain private key for user by master key decrypted private key ciphertext, then could use private key for user pair
The transmission information of packing carries out ciphering signature, and last client sends the transmission information after signature to non-in block chain network
System node server, information is broadcast to other each nodes in block chain network again by these node servers, newly-increased
Transmission information is packed into after block by network node is synchronized to other nodes again, since the newly-increased block above block chain only has
After the confirmation of the whole network node verification, bifurcated change will not just occur again for data, therefore finally sending successfully for mail has one
The process of confirmation.
Sending module --- including having sent mail and email search, wherein having sent principle such as Figure 12 of mail function
Shown, client can scan the block data in block chain, and retrieve the mail address of user, extract all of the address and connect
The e-mail messages received will receive the information that user is addressee in e-mail messages and extract, use the public key of user later
Decryption verification obtains private key by master key decrypted private key ciphertext, the private key that e-mail messages reuse user is decrypted, by mail
It is added to and has sent in mailing list, display user has sent the theme and content of mail.Client can send postal for all
The data storage of part is to local data base and establishes retrieval list and retrieval pointer, is equally stored in local data base, later etc.
To new mail more new database again.User keys in text key word and carries out information inquiry, and client is being retrieved according to keyword
Traversal queries in list, and query result is returned from database.
Addressee tank module --- including the mail decryption received and email search, wherein receiving principle such as Figure 13 institute of mail
Show, client can scan the block data in block chain, and retrieve the mail address of user, extract all receptions of the address
The e-mail messages arrived fall the transmission information filtering of the artificial user of outbox oneself, in order to verify the information that receives be strictly by
Sender is sent out, and the e-mail messages received are verified using the public key decryptions of sender, pass through master key decrypted private key ciphertext
Private key is obtained, the private key that e-mail messages reuse user is decrypted, can show the theme and content that user receives, and added
It is added in addressee mailing list.The mail data of all these addressees can be stored to local data base and establish inspection by client
Suo Liebiao and retrieval pointer, are equally stored in local data base, wait new mail more new database again later.User keys in text
This keyword carries out information inquiry, client traversal queries in retrieval list according to keyword, and returns and look into from database
Ask result.
Non-system nodes server
Endorsing, node --- in the endorsement stage, endorsement node carries out legitimacy inspection to the request for sending E-mail that client is sent,
Then simulation executes intelligent contract and obtains sending request results, finally whether supports the mail according to the endorsement logic judgment of setting
Send request.If endorsement logic determines to support request for sending E-mail, it will be sending back to client after asking for an autograph.If back
The judgement of book node is not supported to request, then returns to error message to client.Its process is as shown in figure 14.
Ordering joint --- in phase sorting, ordering joint sends event to mail according to sequence service and is ranked up, really
Determine the sequential relationship between mail transmission event.The mail received in a period of time is sent event and is ranked up by sequence service,
Then the mail after sequence is sent event and is packaged into block, then block is broadcast to remaining node, to guarantee all nodes
What is received is that the identical mail of one group of order of occurrence sends event.Its process is as shown in figure 15.
Confirm node --- in confirmation stage, confirm that node sends event to the mail after sequence and carries out a series of inspection
It tests, sends the integrity checking of data, whether repeatedly whether transmission, endorsement signature meet the tactful requirement of endorsement including mail
Deng.After having passed through all verifications, it is identified by being legal and be written in account book.Its process is as shown in figure 16.
System node server
CA node --- alliance's chain requires participant elder generation enrollment status, which is mark of the participant in block networking network
Know.CA node mainly gives the member in network to provide the identity information based on digital certificate, can be generated or cancel the body of member
Part certificate.Member in network is divided into rank and file and administrator, and administrator possesses the permission modified to organization configurations.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of distributed electronic mailbox system based on no coin block chain technology, which is characterized in that including client, nonsystematic
Node server, system node server；Three is communicated to connect by block chain network；
Wherein, client includes client core model and client platform interface；Client core model includes user's registration
Module, address list management module, writes letter and sends e-mail module, sending module, addressee tank module, account at user log-in block
Family management module, advertisement module and exit module；User registration module is used for the creation of user information；User log-in block is used for
The verifying of user information；Address list management module changes for the additions and deletions of contact name, public key, email address to be looked into；It writes letter and sends out
Send e-mail module for text editing function, mail encryption, the transmission and broadcast of mail；Sending module check for user and
Retrieve the mail sent；The mail decryption and email search that addressee tank module is used to receive；Account management module is used
In user information modification, key management；Advertisement module is used for the push and update of advertisement；Module is exited to exit for realizing user
The function of client；
Client platform interface includes user's registration login window, address list management window, writes letter and send Netscape Mail, sent out
Send window, inbox window, personal account management window；User registers in user's registration login window, establishes personal use
Name in an account book, login password generate or import address on the private key, public key, mail address/chain of user；Registration user successfully logs in visitor
After the end of family, individual address is created by address list management window, adds title, public key, the mail address/chain of remaining user
Among upper address to email address list；By writing letter and sending Netscape Mail editor e-mail theme and content, addressee is added
Address, and communications content is encrypted to the address of the addressee being sent in block chain network；It checks and examines by having sent window
Mail after rope transmission；It checked by inbox window decryption, retrieve the e-mail messages sent other addresses；Pass through account pipe
Manage modification, key management that window carries out username and password；
Non-system nodes server includes several endorsement nodes, ordering joint and confirmation node；The mail that client is sent is sent
Request carries out legitimacy inspection, and using endorsement, sequence after confirmation, is written in block account book；
System node server includes CA node, and CA node realizes rights management for providing the identity information of network node.
2. a kind of distributed electronic mailbox system based on no coin block chain technology according to claim 1, feature exist
In the block chain is distributed frame, the alliance's chain with member identities and rights management function of P2P network, is not related to
Any coin and logical card.
3. a kind of distributed electronic mailbox system based on no coin block chain technology according to claim 1, feature exist
It is decentralization system in, mailbox system, the damage of the arbitrarily small part of nodes in network or loses the fortune for not influencing system
Make.
4. a kind of distributed electronic mailbox system based on no coin block chain technology according to claim 1, feature exist
In e-mail messages data whole cochain in the mailbox system.
5. a kind of distributed electronic mailbox system based on no coin block chain technology according to claim 1, feature exist
In, by charging to e-mail theme and content-encrypt on block chain in the mailbox system, and utilization Asymmetric Cryptography
The safety of mode certified mail information data transmission and access.
6. a kind of distributed electronic mailbox system based on no coin block chain technology according to claim 1, feature exist
In, the operation of the mailbox system depends on block chain, mail postal delivery is carried out by the non-system nodes server of alliance's chain,
The expense of advertisement is launched as mailing cost by advertiser, and when user uses the client with advertisement, it is free to send mail.
7. a kind of distributed electronic mailbox system based on no coin block chain technology according to claim 1, feature exist
In the e-mail messages for being sent to oneself address can be extracted and be decrypted by the user in the mailbox system, reached and checked and accepted mail
Purpose.
8. a kind of distributed electronic mailbox system based on no coin block chain technology according to claim 1, feature exist
In any sensitive information of user, is stored in client in the mailbox system, will not be uploaded in any server.
9. a kind of distributed electronic mailbox system based on no coin block chain technology according to claim 1, feature exist
In the client includes desktop application end or mobile phone mobile terminal, and client is responsible for the inspection of the transmission of e-mail messages, block data
Rope and reception.
10. a kind of distributed electronic mailbox system based on no coin block chain technology according to claim 1, feature exist
In, client in the mailbox system by all passwords, key stored in clear in memory field, user exit client it
Afterwards, all memory field data are removed automatically, and the remainder data of client is stored in client local data base memory block.
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| CN201910571130.3A CN110351258A (en) | 2019-06-28 | 2019-06-28 | A kind of distributed electronic mailbox system based on no coin block chain technology |
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| CN201910571130.3A CN110351258A (en) | 2019-06-28 | 2019-06-28 | A kind of distributed electronic mailbox system based on no coin block chain technology |
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Application publication date: 20191018 |