CN110245183A - A kind of encrypted electronic voting system and method based on alliance's block chain technology - Google Patents
A kind of encrypted electronic voting system and method based on alliance's block chain technology Download PDFInfo
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- CN110245183A CN110245183A CN201910366365.9A CN201910366365A CN110245183A CN 110245183 A CN110245183 A CN 110245183A CN 201910366365 A CN201910366365 A CN 201910366365A CN 110245183 A CN110245183 A CN 110245183A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/27—Replication, distribution or synchronisation of data between databases or within a distributed database system; Distributed database system architectures therefor
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C13/00—Voting apparatus
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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
- H04L9/008—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols involving homomorphic encryption
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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
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
- H04L9/0819—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s)
- H04L9/0825—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) using asymmetric-key encryption or public key infrastructure [PKI], e.g. key signature or public key certificates
Abstract
The present invention relates to electronic voting technical fields, and disclose a kind of encrypted electronic voting system and its method based on alliance's block chain technology, including member's permission control management module, intelligent contract module of voting and distributed account book memory module.Voter and ballot initiator control management module by member's permission and register its entity identities come the chain network that coalizes.Intelligent contract module of voting is realized for realizing specific encrypted vote process automation, and intelligent contract module of voting includes ballot side's contract, ballot publisher's contract, voting results statistics and announces contract.Distributed account book memory module is kept accounts by the node maintenance in block chain network using Raft common recognition algorithm, and open and clear to ballot side and ballot initiator, can carry out retrospect verifying to voting results.The present invention solves the problems, such as that existing electronic voting system is queried in the secret of ballot paper, the correctness of the anonymity of ballot and voting results and fairness by the public, is used for various elections and ballot activity.
Description
Technical field
The present invention relates to electronic voting technical field, specially a kind of encrypted electronic ballot based on alliance's block chain technology
Election system and method.
Background technique
Voting system refers to the method according to the selection of voter to select result.The most common ballot is no more than selecting public affairs
The election of duty.Other purposes of voting include the solution party for awarding a prize, selecting action plan or determining challenge by computer program
Case.Opposite with ballot is common recognition Decision Method.
Most of voting system is based on the theory that the minority is subordinate to the majority, if usually some scheme obtains and exceedes half voter
Support can then pass through.However, working as alternative plan more than two, none possible option obtains more than half supports, uses
Different voting systems will generate it is different as a result, so, election results are had a major impact using any voting system.
With the rise of block chain technology, the core concept of decentralization gradually causes the concern of people, and in electronics
Change ballot field.But existing electronic voting system is in the secret of ballot paper, the in terms of Shortcomings of ballot
System depends on the correctness that third party vote-counting center leads to voting results with authoritative publishing center and fairness unduly by public's matter
It doubts.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of encrypted electronic votes based on alliance's block chain technology
Lift system and method, solve existing electronic voting system the secret of ballot paper, ballot in terms of exist not
Foot, and depend on third party vote-counting center unduly and correctness and fairness that authoritative publishing center leads to voting results are by public affairs
The problem of crowd queries.
To achieve the above object, the invention provides the following technical scheme:
A kind of encrypted electronic voting system based on alliance's block chain technology, including member's permission control management module, throwing
Ticket intelligence contract module and distributed account book memory module.
The voter and ballot initiator register its entity identities by member's permission control management module to coalize
Chain network, the intelligent contract module of the ballot is realized for realizing specific encrypted vote process automation, and intelligence of voting is closed
About module includes that ballot side's contract, ballot publisher's contract, voting results statistics are utilized with contract, the ballot initiator is announced
Ballot publisher's contract is issued ballot content and is digitally signed on alliance's chain, the number that the voter passes through endorsement entity
Certificate to ballot content legitimacy verify, by ballot paper information, signing messages and ciphertext be sent to voting results statistics and
Contract is announced, ballot side's contract obtains the ballot content specified on chain, and the voting results statistics is obtained with contract is announced
The ballot paper information of voter, the voting results statistics are filtered and are verified with voter specified by contract acquisition ballot content is announced
Ballot paper result is sent to all ballot initiators and voter by ballot paper.
The distribution account book is by the node maintenance in block chain network, using Raft common recognition algorithm book keeping operation, and to ballot
Side and ballot initiator are open and clear, can carry out retrospect verifying to voting results.
Preferably, the ballot paper information of oneself is carried out Paillier homomorphic cryptography fortune by ballot side's contract by the voter
It calculates, the voter needs to generate a signing messages to the encrypted result of homomorphism operation using the private key of oneself.
Preferably, member's permission control and management module be voted by Raft common recognition algorithm come control node or
The addition of account prevents malicious node from participating in altogether.
Preferably, the intelligent contract module of voting is used to construct the automation realization of licence system block chain ballot system,
Reduce artificial participate in.
Preferably, the Paillier homomorphic encryption algorithm is asymmetry encryption, generates a pair of of public key and private key every time.
A kind of encrypted electronic voting system and method based on alliance's block chain technology, comprising the following steps:
S1: member identities' registration, voter, ballot initiator and the corresponding identity of other registers entities to alliance's block link network
Network becomes node or account.
S2: ballot content is launched, and ballot initiator makes ballot content and ballot dependency rule, and in block chain upslide
Put ballot content.
S3: ballot activity notice, the initiator that votes notify voter to fill in ballot paper content by channel.
S4: ballot paper content is filled in, and voter fills in the ballot paper content of oneself, by being sent to ballot knot after homomorphic cryptography operation
Fruit statistics and announcement contract.
S5: count of votes and result are announced, and when ballot activity reaches termination condition, ballot paper content is passed through homomorphic cryptography automatically
Operation counts final ballot paper content, as a result by distributed common recognition storage to block chain.
Preferably, member identities' registration step, specifically, at any time in, voter, ballot initiator or its
His entity with account, node identity registration network when, registration information is broadcast to every other node, node pair by neighbor node
Registration information carries out ballot signature, after obtaining ballots more than half, registration information is written by Raft common recognition algorithm and is distributed
Formula account book.
Preferably, the Raft common recognition algorithm supports that maximum fault-tolerant malfunctioning node is (N-1)/2, and wherein N is in cluster
Total number of nodes.
Preferably, the ballot dependency rule includes legal voter's rule, the content-terminated rule of ballot, the ballot content
Ballot initiator including the endorsement certification of this ballot activity and the node with high credit value or account, specified participation choosing
The voter of ticket, all candidate messages.
The present invention have it is following the utility model has the advantages that
The present invention controls management module, the intelligent contract module of ballot and distributed account book memory module by setting member's permission,
More fair and secret when making electronic voting, and use homomorphic encryption algorithm, key pair be every time it is random generate, public key pair
Legal voter discloses, and private key is announced contract with result by count of votes and held, and ensure that the secret of the ballot paper content of each voter,
Ballot paper result is stored in alliance's block chain network, the transparent, credible of account book is guaranteed by Raft consistency common recognition algorithm
Property and reliability, are digitally signed it by the identity private key of voter, ensure that unique nonrepeatability of voter's ballot paper,
Existing electronic voting system is solved in the secret of ballot paper, the in terms of Shortcomings of ballot, system excessively according to
The problem of relying third party vote-counting center and authoritative publishing center that the correctness of voting results and fairness is caused to be queried by the public.
Detailed description of the invention
Fig. 1 is electronic voting method schematic diagram of the present invention.
Fig. 2 is electronic voting system composed structure schematic diagram of the present invention.
Fig. 3 is electronic voting System Working Principle schematic diagram of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1, specific implementation following steps of the invention are realized:
S1: member identities' registration, voter, ballot initiator and the corresponding identity of other registers entities to alliance's block link network
Network, becomes node or account, member identities' registration step, specifically, at any time, voter, ballot initiator or
Other entities with account, node identity registration network when, registration information is broadcast to every other node, node by neighbor node
Ballot signature is carried out to registration information, after obtaining ballots more than half, is divided registration information write-in by Raft common recognition algorithm
Cloth account book, Raft common recognition algorithm support that maximum fault-tolerant malfunctioning node is (N-1)/2, and wherein N is number of nodes total in cluster
Amount, common voter is by with the identity registration of account in alliance's block chain network, and the voter with high credit value is personal, ballot is sent out
Node identities will be registered as in alliance's block chain network by playing tissue and other mechanisms, and node participates in common recognition note in a network
Account, and safeguard full account book.
S2: ballot content is launched, and ballot initiator makes ballot content and ballot dependency rule, and in block chain upslide
Ballot content is put, ballot dependency rule includes legal voter's rule, the content-terminated rule of ballot, and ballot content includes this ballot
The ballot initiator of activity endorsement certification and the node with high credit value or account, the specified voter for participating in ballot paper, institute
There is candidate message.
S3: ballot activity notice, the initiator that votes notify voter to fill in ballot paper content by channel.
S4: ballot paper content is filled in, and voter fills in the ballot paper content of oneself, by being sent to ballot knot after homomorphic cryptography operation
Fruit statistics fills in ballot paper content using Paillier homomorphic encryption algorithm, i.e. voter with contract, homomorphic encryption algorithm is announced
Afterwards, using the public key P of Paillier algorithmkfEncrypted ballot content, there are also in addition a private key S for the keykf, only obtain private
Key SkfBallot paper content can be just checked, to realize the secret protection of voter's information in voting process.
S5: count of votes and result are announced, and when ballot activity reaches termination condition, ballot paper content is passed through homomorphic cryptography automatically
Operation counts final ballot paper content, as a result by distributed common recognition storage to block chain.
In conclusion voter, ballot initiator and the corresponding identity of other registers entities are to alliance's block link network first
Network becomes node or account, secondly, ballot initiator designs as needed and make ballot content and the related rule of ballot
Then, and on block chain ballot content is launched, then, the initiator that votes notifies voter to fill in ballot paper content by channel, is connected to
After notice, voter fills in the ballot paper content of oneself, by homomorphic cryptography operation encrypted ballot content, sends it to voting results
Statistics and announcement contract, finally, when ballot activity reaches termination condition according to preset ballot termination rules, count of votes and result
It announces module and ballot paper content is counted into final ballot paper content by homomorphic cryptography operation automatically, voting results pass through distributed common recognition
It stores on block chain.
The present invention provides a kind of encrypted electronic vote by ballot methods based on alliance's block chain technology, correspond
, the invention also provides a kind of encrypted electronic voting systems based on alliance's block chain technology.The embodiment of this system
Similar to embodiment of the method.System embodiment disclosed below is merely to illustrate the operation logic of system.
As Figure 2-3, the present invention includes member's permission control management module, intelligent contract module of voting and distributed account
This memory module.Voter and ballot initiator control management module by member's permission and register its entity identities come the chain that coalizes
Network, intelligent contract module of voting are realized for realizing specific encrypted vote process automation, and intelligent contract module of voting
Including ballot side's contract, ballot publisher's contract, voting results statistics and contract is announced, intelligent contract module of voting is for constructing
The automation of licence system block chain ballot system is realized, artificial participation is reduced, and ballot initiator is existed using ballot publisher's contract
Ballot content is issued on alliance's chain and is digitally signed, and voter is by the digital certificate of endorsement entity to the legal of ballot content
Property verified, by ballot paper information, signing messages and ciphertext be sent to voting results statistics and announce contract, voter by oneself
Ballot paper information carries out the operation of Paillier homomorphic cryptography by ballot side's contract, and voter needs to transport homomorphism using the private key of oneself
The encrypted result of calculation generates a signing messages, and Paillier homomorphic encryption algorithm is asymmetry encryption, generates every time a pair of
Public key and private key, Paillier homomorphic cryptography key production module are used to generate encryption key one for each ballot activity
To (Pkf,Skf), PkfIssue legal voter, SkfHeld by count of votes and result statistics contract, it is externally invisible.
Homomorphic cryptography and decryption are to create a Paillier class according to Target-oriented thought, include in such
Four GenerateKey (), Encrypt (), Decrypt (), Add () main methods, GenerateKey () function are used
It include Private key and Public a key in Key in generating a pair of secret keys Key;Encrypt () is for encrypting choosing
Ticket content m obtains ciphertext c;Decrypt () is for decrypting ciphertext c, and Add () is for counting encrypted result.
Homomorphic cryptography is that count of votes and result announce contract and create a Paillier object with decrypting process, is called
GenerateKey () method produce a pair of Private key and Public key, Private key therein by contract oneself
Body saves, and does not announce externally.
After any voter receives ballot notice, corresponding ballot paper content module and Public key are downloaded, it is same to create
It builds a Paillier object and calls the incoming Public key of Encrypt () method to encrypt the ballot paper content of oneself, it will be close
Text issues count of votes and statistics contract, and triggering contract uses Add () letter of Paillier algorithm automatically after ballot termination rules meet
It is several that count of votes is carried out to all ballot paper contents, it finally calls Decrypt () to be passed to Private key and calculated result is solved
It is close, count of votes result is sent to legal voter later.
The control of member's permission is that common recognition algorithm is voted by Raft come the addition of control node or account with management module,
Prevent malicious node from participating in altogether, ballot side's contract obtains the ballot content specified on chain, and voting results statistics is obtained with contract is announced
The ballot paper information of voter is taken, voting results statistics filters and verify choosing with voter specified by contract acquisition ballot content is announced
Ballot paper result is sent to all ballot initiators and voter by ticket, and distributed account book is adopted by the node maintenance in block chain network
It is kept accounts with Raft common recognition algorithm, and open and clear to ballot side and ballot initiator, retrospect verifying can be carried out to voting results.
Fig. 3 is present system working principle diagram, specifically: voter and ballot initiator pass through the control management of member's permission
Its entity identities of Module registers are come the chain network that coalizes, and with the identity registration of account, needing will be a by voter or other people
People's digital certificate and public key are sent to arbitrary node, and the registration information for broadcasting New Account is voted to all nodes by the node
Verifying, the signature for only obtaining nodes more than half can be successfully joined network, and registration information is written by the node and is distributed
Formula account book.
Initiator, other organizations vote with the identity registration network of node, takes office registration information transmission when same
Meaning node is known together by Raft by the node broadcasts registration information to every other node the registration information distributed account is written
This.
The ballot content that ballot initiator will be issued using oneself private key signature, using ballot publisher's contract by its
It is broadcast to all nodes to endorse, is collected into the endorsement of node more than half and then will vote content and endorsement information
It is sent to ballot statistics and announces module.
Ballot content therein specifically includes the ballot initiator for the endorsement certification of this ballot activity and has high letter
With the node or account of value, the specified voter for participating in ballot paper, all candidate messages, ballot activity term of validity.
After voting results statistics receives ballot content and endorsement information with announcement module, first verify that ballot initiator's
Signing messages and endorsement signing messages.After verifying all information, voting results statistics and announcement module utilize Paillier homomorphism
The key-function GenerateKey () of Encryption Algorithm generates a pair of of public key P for this ballotkWith private key Sk, private key
It is all invisible to anyone, then by public key PkCryptographic Hash is taken with all message received, is index with cryptographic Hash, passes through node
Common recognition is stored in distributed account book, and the cryptographic Hash is returned to ballot initiator.
The cryptographic Hash of this ballot activity is notified to voter that the ballot that voter receives ballot initiator is living by ballot initiator
After dynamic notice, the ballot content specified on chain is obtained according to cryptographic Hash using ballot side's contract, according to the number of endorsement entity
Certificate verifies the legitimacy of ballot content, the public key P that voter utilizes laterkThe ballot paper information of oneself is passed through
Enc () function of Paillier Encryption Algorithm is encrypted, meanwhile, voter needs using the private key of oneself to homomorphism operation
Encrypted result generates a signing messages, and signing messages and encrypted ciphertext are finally sent to voting results statistics and announced
Contract.
Voting results statistics obtains the ballot content on chain with announcement contract, according to the digital certificate of endorsement entity to ballot
The legitimacy of content is verified, and is filtered and is verified ballot paper according to the specified voter of ballot content later, utilize Paillier
Add () function of homomorphic encryption algorithm counts ballot paper, finally utilizes corresponding private key SkBallot paper result is decrypted, is distributed
To all ballot initiators and voter.
Distributed account book is for storing ballot content, ballot paper ciphertext, and multi-party maintenance is to guarantee to alter.
The system includes ballot side's contract, ballot publisher's contract, voting results statistics and announces contract, is permitted for constructing
Can the automation of block chain ballot system processed realize, reduce artificial participate in.
DBMS member's permission control and management module are voted by node to be authenticated come the addition of control node or account,
The addition of each new node or New Account requires all nodes and participates in ballot, obtains after the vote of assent of nodes more than half
It can be successfully joined network, prevent malicious node from participating in common recognition.
The control of member's permission and management module, only node identities could participate in the common recognition of alliance's block chain, account identity
It can not participate in knowing together.
Distributed account book memory module is safeguarded by the multinode registered in system, and to ballot initiator and throwing
Ticket side is open and clear, can carry out retrospect verifying to voting results.
Paillier homomorphic encryption algorithm is asymmetry encryption, realizes popular ballot anonymization.
Voting results statistics and announcement contract automatically generate a pair (P to each ballot contentk,Sk), and by PkIt is open to arrive connection
On alliance's block chain, the voter of this ballot obtains P on chainkBallot paper result is encrypted;SkAny entity is not disclosed, is used for
Decryption to this ballot statistics result.
Voter is digitally signed the encrypted result of privately owned ballot paper content, guarantees each ballot paper from legal effective choosing
The people, and the ballot paper of voter is uniquely not reproducible.
In conclusion controlling management module by setting member's permission, intelligent contract module of voting and distributed account book are deposited
Module is stored up, more fair and secret when making electronic voting, and homomorphic encryption algorithm is used, key pair is every time random raw
At public key discloses legal voter, and private key is announced contract with result by count of votes and held, and ensure that the ballot paper content of each voter
Secret, ballot paper result is stored in alliance's block chain network, pass through Raft consistency know together algorithm guarantee account book it is saturating
Bright property, credibility and reliability, are digitally signed it by the identity private key of voter, ensure that voter's ballot paper it is unique not
Repeatability solves existing electronic voting system in the secret of ballot paper, the in terms of Shortcomings of ballot, is
System depends on the correctness that third party vote-counting center leads to voting results with authoritative publishing center and fairness unduly by public's matter
Doubtful problem
It should be noted that, in this document, relational terms such as first and second and the like be used merely to an entity or
Person's operation is distinguished with another entity or operation, is appointed without necessarily requiring or implying existing between these entities or operation
What this actual relationship or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or equipment for including a series of elements not only includes those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or equipment institute it is intrinsic
Element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (9)
1. a kind of encrypted electronic voting system based on alliance's block chain technology, including member's permission control management module,
Intelligent contract module of voting and distributed account book memory module, it is characterised in that: voter and ballot initiator pass through member's permission
Control management module registers its entity identities come the chain network that coalizes;
The intelligent contract module of the ballot is realized for realizing specific encrypted vote process automation, and intelligent contract mould of voting
Block includes ballot side's contract, ballot publisher's contract, voting results statistics and announces contract;The ballot initiator utilizes ballot
Publisher's contract is issued ballot content and is digitally signed on alliance's chain, the digital certificate that the voter passes through endorsement entity
The legitimacy of ballot content is verified, ballot paper information, signing messages and ciphertext are sent to voting results statistics and is announced
Contract, ballot side's contract obtain the ballot content specified on chain, and the voting results statistics obtains voter with contract is announced
Ballot paper information, voting results statistics filters and verifies choosing with announcing contract and obtain voter specified by ballot content
Ballot paper result is sent to all ballot initiators and voter by ticket;
The distribution account book memory module is kept accounts by the node maintenance in block chain network using Raft common recognition algorithm, and right
Ballot side and ballot initiator are open and clear, can carry out retrospect verifying to voting results.
2. a kind of encrypted electronic voting system based on alliance's block chain technology according to claim 1, feature
Be: the ballot paper information of oneself is carried out the operation of Paillier homomorphic cryptography, the voter by ballot side's contract by the voter
It needs to generate a signing messages to the encrypted result of homomorphism operation using the private key of oneself.
3. a kind of encrypted electronic voting system based on alliance's block chain technology according to claim 1, feature
Be: member's permission control management module votes common recognition algorithm by Raft come the addition of control node or account, prevents
Only malicious node participates in common recognition.
4. a kind of encrypted electronic voting system based on alliance's block chain technology according to claim 1, feature
Be: the automation that the intelligent contract module of voting is used to construct licence system block chain ballot system is realized, artificial ginseng is reduced
With.
5. a kind of encrypted electronic voting system based on alliance's block chain technology according to claim 2, feature
Be: the Paillier homomorphic encryption algorithm is asymmetry encryption, generates a pair of of public key and private key every time.
6. a kind of encrypted electronic vote by ballot method based on alliance's block chain technology, which comprises the following steps:
S1: member identities' registration, voter, ballot initiator and the corresponding identity of other registers entities to alliance's block link network
Network becomes node or account;
S2: ballot content is launched, and ballot initiator makes ballot content and ballot dependency rule, and launches and throw on block chain
Ticket content;
S3: ballot activity notice, the initiator that votes notify voter to fill in ballot paper content by channel;
S4: ballot paper content is filled in, and voter fills in the ballot paper content of oneself, by being sent to voting results system after homomorphic cryptography operation
Meter and announcement contract;
S5: count of votes and result are announced, and when ballot activity reaches termination condition, ballot paper content is passed through homomorphic cryptography operation automatically
Final ballot paper content is counted, as a result by distributed common recognition storage to block chain.
7. a kind of encrypted electronic vote by ballot method based on alliance's block chain technology according to claim 6, feature
Be: member identities' registration step S1 specifically, at any time in, voter, ballot initiator or other entities with
Account, node identity registration network when, registration information is broadcast to every other node by neighbor node, and node is to registration information
Ballot signature is carried out, after obtaining ballots more than half, registration information is written by distributed account book by Raft common recognition algorithm.
8. a kind of encrypted electronic voting system and method based on alliance's block chain technology according to claim 7,
It is characterized by: the Raft common recognition algorithm supports that maximum fault-tolerant malfunctioning node is (N-1)/2, wherein N is total in cluster
Number of nodes.
9. a kind of encrypted electronic voting system and method based on alliance's block chain technology according to claim 6,
It is characterized by: the ballot dependency rule includes legal voter's rule, the content-terminated rule of ballot;The ballot content includes
The ballot initiator of this ballot activity endorsement certification and the node with high credit value or account specify participation ballot paper
Voter, all candidate messages.
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