CN110162996A - Ballot system, method and voting terminal based on block chain - Google Patents
Ballot system, method and voting terminal based on block chain Download PDFInfo
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- CN110162996A CN110162996A CN201910329554.9A CN201910329554A CN110162996A CN 110162996 A CN110162996 A CN 110162996A CN 201910329554 A CN201910329554 A CN 201910329554A CN 110162996 A CN110162996 A CN 110162996A
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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
- G06F21/60—Protecting data
- G06F21/602—Providing cryptographic facilities or services
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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
- G06F21/60—Protecting data
- G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules
- G06F21/6218—Protecting access to data via a platform, e.g. using keys or access control rules to a system of files or objects, e.g. local or distributed file system or database
- G06F21/6272—Protecting access to data via a platform, e.g. using keys or access control rules to a system of files or objects, e.g. local or distributed file system or database by registering files or documents with a third party
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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
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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
- H04L63/0861—Network architectures or network communication protocols for network security for authentication of entities using biometrical features, e.g. fingerprint, retina-scan
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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
- H04L63/12—Applying verification of the received information
- H04L63/123—Applying verification of the received information received data contents, e.g. message integrity
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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
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0861—Generation of secret information including derivation or calculation of cryptographic keys or passwords
- H04L9/0863—Generation of secret information including derivation or calculation of cryptographic keys or passwords involving passwords or one-time passwords
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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
- H04L9/0861—Generation of secret information including derivation or calculation of cryptographic keys or passwords
- H04L9/0869—Generation of secret information including derivation or calculation of cryptographic keys or passwords involving random numbers or seeds
Abstract
The present invention provides a kind of ballot system based on block chain, method and voting terminal, voting terminal receives and shows ballot topic, proof of identity is carried out to voter, after the ballot typing for receiving voter, polled data is subjected to data encryption, polled data after obtained encryption is uploaded；The ballot of block chain receives ballot demand, according to the intelligent contract of ballot demand compiling ballot, ballot topic and encrypted public key are sent to voting terminal, receive polled data after encrypting, and polled data after encryption is counted, voting results are formed, intelligent contract carries out cochain storage to voting results according to voting.The authentication that voter is solved by fingerprint recognition, guarantees the real effectiveness of voter；Using block chain technology, carry out result displaying with block chain browser, compile intelligent contract and handle polled data so that voting process and statistical result is transparent looks into, voter can verify that the ballot content of oneself, ensure that voting results it is credible effectively.
Description
Technical field
The present invention relates to block chain technical fields, and in particular, to a kind of ballot system based on block chain, method and throwing
Ticket terminal.
Background technique
Key technology in ballot system is voter's identification, and data are extracted, encrypted, storing and safety.Tradition
Electronic voting system realizes the demand using centralized server, this is low etc. there is more security risks and degree of belief
Problem.In terms of safety, for conditional electronic ballot system, hacker can concentrate and attack for central server, do evil
Success rate is high, and cost of doing evil is small, and system crash and data is easily caused to be tampered.Meanwhile even if using a series of high-cost
Safety measure safeguards system is not encroached on safely by hacker, and centralized system itself breaks down, then will lead to system error of omission, misses
Note polled data or even system itself and administrative staff can not differentiate the authenticity of data.In terms of trust, conditional electronic is thrown
Bill system is managed by central authority, and the staff of central authority has the ability of altered data, easily causes black-box operation.Ballot note
Record and statistical result are handled by central server, and the voting results of publicity need to guarantee by the endorsement of central authority true
Property, it is difficult to allow the public to convince.
The prior art related to the present invention is patent document CN108597090A, provides a kind of throwing based on block chain
Ticket method, apparatus and system, the block catenary system including block chain are determining a voter using a digital certificate as ballot
Unique identification and when entering block catenary system, the voting results submitted through block chain of voter are obtained based on block chain；When reaching
When to preset ballot statistical condition, each voting results got are counted, based on block chain to generate in block chain
And store ballot statistical result.Data block is combined into a kind of chained record knot in such a way that time sequencing is connected by block chain
Structure, to guarantee that it can not distort and can not forge.Voting behavior is completed in block chain, therefore be can be avoided and result occurred and usurped
The case where changing.
Main technical schemes disclosed in above patent document are that system verifies ballot by the digital certificate of voter
Personal part, and ballot statistic processes is realized based on block chain.The patent does not illustrate the logic and data of its data encryption
Store logic.Its voter's identity identifying method used and ballot duplicate removal scheme, are based on some centralization certificate granting machine
Structure is realized.Voter needs to apply for number to designated centers certification authority agent by the equipment for surfing the net of itself before ballot
Word certificate, and the digital certificate is informed and gives block catenary system, and the digital certificate need to be then forwarded to certificate by block catenary system
Mechanism judges whether to have thrown ticket before the voter.There are problems, the first body of voter for this technical solution
Part authenticity, which needs to do by specified certification authority agent to trust, endorses, and ballot system itself does not solve authentication
Problem is limited by centralization endorsement mechanism.Secondly, voter whether repeated vote the problem of still certificate of necessity authorized organization come
Cooperation processing, ballot system can not cover ballot process in internal system, must be limited by centralization mechanism.This makes the technology solution
Certainly scheme is not carried out complete decentralization, needs centralization mechanism to do and trust endorsement, and to participate in completing ballot process.
Third, when voter votes, using the ballot equipment of itself, this can not determine what equipment was submitted there is security risk
Whether polled data will cause the safety issues such as system crash.Thus program higher cost, outside endorsement mechanism dependence
By force, and there are security risks.
Summary of the invention
For the defects in the prior art, the object of the present invention is to provide a kind of ballot systems based on block chain, method
And voting terminal.
A kind of ballot system based on block chain provided according to the present invention, comprising:
Voting terminal module: receiving and shows ballot topic, carries out proof of identity to voter, receives the ballot of voter
After typing, polled data is subjected to data encryption, polled data after obtained encryption is uploaded；
Block chain vote module: receiving ballot demand, votes intelligent contract according to ballot demand compiling, will ballot topic and
Encrypted public key is sent to voting terminal, receives polled data after encryption, and count to polled data after encryption, forms ballot
As a result, carrying out cochain storage to voting results according to intelligent contract of voting.
Preferably, the ballot system based on block chain, further includes:
Node Server Modules: pass through wireless network and voting terminal interaction data, the transmission of cooperation ballot topic；
Ballot display module: voting results are shown by block chain ballot browser.
Preferably, the voting terminal module includes:
Display module: being shown ballot topic, is shown to ballot typing；
Vote module: ballot typing is received, the modification of ballot typing is received；
Identification module: identification is carried out to voter by fingerprint recognition mode, finger print data is obtained, to finger print data
Proof of identity is carried out, if verification passes through, ballot is opened, otherwise, is then not turned on ballot；The finger print data that verification passes through is carried out
Encryption, using cryptographic fingerprint as the digital finger-print of voter；
Encrypting module: data fingerprint, polled data, ballot submission time are encrypted according to encrypted public key, obtain the
One polled data is generated the private key of voting terminal to random number series, is carried out to random number series to the first polled data using private key
Encryption, obtains the second polled data, is packaged and generates votes the first polled data, the second polled data, voting terminal number
According to packet, uploaded polled data packet as polled data after encryption.
Preferably, the block chain vote module includes:
Deciphering module: after reception encryption after polled data, being decrypted and verify to polled data after encryption, if verification is not
Pass through, then prompt error message, and abandon encryption after polled data otherwise then continue；
As a result statistical module: the polled data after encryption in polled data is extracted, according to intelligent contract of voting to votes
According to being counted, voting results are formed, after voting results are added unique identification, carry out cochain storage, it, will in poll closing
Each voting results generates ballot statistical result in block chain, and stores.
A kind of voting method based on block chain provided according to the present invention, comprising:
Voting terminal step: receiving and shows ballot topic, carries out proof of identity to voter, receives the ballot of voter
After typing, polled data is subjected to data encryption, polled data after obtained encryption is uploaded；
Block chain is voted step: receive ballot demand, vote intelligent contract according to ballot demand compiling, will ballot topic and
Encrypted public key is sent to voting terminal, receives polled data after encryption, and count to polled data after encryption, forms ballot
As a result, carrying out cochain storage to voting results according to intelligent contract of voting.
Preferably, the voting method based on block chain, further includes:
Node server step: pass through wireless network and voting terminal interaction data, the transmission of cooperation ballot topic；
Ballot shows step: being shown by block chain ballot browser to voting results.
Preferably, the voting terminal step includes:
Display step: being shown ballot topic, is shown to ballot typing；
Ballot step: ballot typing is received, the modification of ballot typing is received；
Identification step: identification is carried out to voter by fingerprint recognition mode, finger print data is obtained, to finger print data
Proof of identity is carried out, if verification passes through, ballot is opened, otherwise, is then not turned on ballot；The finger print data that verification passes through is carried out
Encryption, using cryptographic fingerprint as the digital finger-print of voter；
Encrypting step: data fingerprint, polled data, ballot submission time are encrypted according to encrypted public key, obtain the
One polled data is generated the private key of voting terminal to random number series, is carried out to random number series to the first polled data using private key
Encryption, obtains the second polled data, is packaged and generates votes the first polled data, the second polled data, voting terminal number
According to packet, uploaded polled data packet as polled data after encryption.
Preferably, the block chain ballot step includes:
Decryption step: after reception encryption after polled data, being decrypted and verify to polled data after encryption, if verification is not
Pass through, then prompt error message, and abandon encryption after polled data otherwise then continue；
As a result statistic procedure: the polled data after encryption in polled data is extracted, according to intelligent contract of voting to votes
According to being counted, voting results are formed, after voting results are added unique identification, carry out cochain storage, it, will in poll closing
Each voting results generates ballot statistical result in block chain, and stores.
A kind of voting terminal based on block chain provided according to the present invention, receives and shows ballot topic, to voter
Proof of identity is carried out, after the ballot typing for receiving voter, polled data is subjected to data encryption, will be voted after obtained encryption
Data upload.
Preferably, including display screen, ballot unit, fingerprint identification unit, encryption chip, battery；Display screen inscribes ballot
Mesh is shown that fingerprint identification unit, which identifies, opens ballot after the finger print data of voter, the proof of identity of voter pass through, and is thrown
It is provided with ballot key in ticket member, finger print data is carried out Hash operation by encryption chip, using obtained cryptographic Hash as ballot
The digital finger-print of people.
Compared with prior art, the present invention have it is following the utility model has the advantages that
1, by using the mode of fingerprint recognition, solve the problems, such as that the identity of voter is difficult to authenticate, to guarantee to vote
Real effectiveness, what is transmitted in a network is the digital fingerprint data of voter, the individual privacy information not comprising voter
And fingerprint source data, ensure that voter's private data is not encroached on.
2, by using asymmetric encryption techniques and timestamp, solve the problems, such as that system is mixed into false polled data,
And polled data the problem of being stolen, it ensure that the uniqueness of ballot equipment and the safety and effectiveness of polled data.
3, by using block chain technology, intelligent contract is compiled to handle the mode of polled data, solves data processing
The problem of being tampered with statistics stage polled data, decentralization system, justification identification code executes automatically at bill, avoids manually touching
Data are touched, the data transparency in guarantee system is effective, avoids the possibility of black-box operation.
4, by distributed storage technology, solve the problems, such as security of system, multi-tiling chain node allow the attack of hacker at
Originally it sharply increases, even if successfully capturing one of block chain ballot system or a small amount of several nodes, remaining node can still protect
The normal operation of barrier system, prevents data to be tampered；Also solving the system failure simultaneously leads to the risk of data omission or misdescription,
Even if one or a small amount of several nodes break down, remaining node can still ensure the accuracy of data storage and processing.
5, the mode that voting results are shown by using block chain browser, solving voting results is in be usurped at this stage
The problem of changing data, block chain browser directly carry out data with block chain ballot system and dock, voting process and statistical result
Transparent to look into, voter can verify that the ballot content of oneself, ensure that the credible, effective of voting results.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon:
Fig. 1 is implementation method flow figure of the invention；
Fig. 2 is ballot device hardware schematic of the invention.
It is shown in figure:
Specific embodiment
The present invention is described in detail combined with specific embodiments below.Following embodiment will be helpful to the technology of this field
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill of this field
For personnel, without departing from the inventive concept of the premise, several changes and improvements can also be made.These belong to the present invention
Protection scope.
A kind of voting terminal based on block chain provided according to the present invention, receives and shows ballot topic, to voter
Proof of identity is carried out, after the ballot typing for receiving voter, polled data is subjected to data encryption, will be voted after obtained encryption
Data upload.
Specifically, including display screen, ballot unit, fingerprint identification unit, encryption chip, battery；Display screen inscribes ballot
Mesh is shown that fingerprint identification unit, which identifies, opens ballot after the finger print data of voter, the proof of identity of voter pass through, and is thrown
It is provided with ballot key in ticket member, finger print data is carried out Hash operation by encryption chip, using obtained cryptographic Hash as ballot
The digital finger-print of people.
A kind of ballot system based on block chain provided according to the present invention, comprising:
Voting terminal module: receiving and shows ballot topic, carries out proof of identity to voter, receives the ballot of voter
After typing, polled data is subjected to data encryption, polled data after obtained encryption is uploaded；
Block chain vote module: receiving ballot demand, votes intelligent contract according to ballot demand compiling, will ballot topic and
Encrypted public key is sent to voting terminal, receives polled data after encryption, and count to polled data after encryption, forms ballot
As a result, carrying out cochain storage to voting results according to intelligent contract of voting.
Specifically, the ballot system based on block chain, further includes:
Node Server Modules: pass through wireless network and voting terminal interaction data, the transmission of cooperation ballot topic；
Ballot display module: voting results are shown by block chain ballot browser.
Specifically, the voting terminal module includes:
Display module: being shown ballot topic, is shown to ballot typing；
Vote module: ballot typing is received, the modification of ballot typing is received；
Identification module: identification is carried out to voter by fingerprint recognition mode, finger print data is obtained, to finger print data
Proof of identity is carried out, if verification passes through, ballot is opened, otherwise, is then not turned on ballot；The finger print data that verification passes through is carried out
Encryption, using cryptographic fingerprint as the digital finger-print of voter；
Encrypting module: data fingerprint, polled data, ballot submission time are encrypted according to encrypted public key, obtain the
One polled data is generated the private key of voting terminal to random number series, is carried out to random number series to the first polled data using private key
Encryption, obtains the second polled data, is packaged and generates votes the first polled data, the second polled data, voting terminal number
According to packet, uploaded polled data packet as polled data after encryption.
Specifically, the block chain vote module includes:
Deciphering module: after reception encryption after polled data, being decrypted and verify to polled data after encryption, if verification is not
Pass through, then prompt error message, and abandon encryption after polled data otherwise then continue；
As a result statistical module: the polled data after encryption in polled data is extracted, according to intelligent contract of voting to votes
According to being counted, voting results are formed, after voting results are added unique identification, carry out cochain storage, it, will in poll closing
Each voting results generates ballot statistical result in block chain, and stores.
A kind of voting method based on block chain provided according to the present invention, comprising:
Voting terminal step: receiving and shows ballot topic, carries out proof of identity to voter, receives the ballot of voter
After typing, polled data is subjected to data encryption, polled data after obtained encryption is uploaded；
Block chain is voted step: receive ballot demand, vote intelligent contract according to ballot demand compiling, will ballot topic and
Encrypted public key is sent to voting terminal, receives polled data after encryption, and count to polled data after encryption, forms ballot
As a result, carrying out cochain storage to voting results according to intelligent contract of voting.
Specifically, the voting method based on block chain, further includes:
Node server step: pass through wireless network and voting terminal interaction data, the transmission of cooperation ballot topic；
Ballot shows step: being shown by block chain ballot browser to voting results.
Specifically, the voting terminal step includes:
Display step: being shown ballot topic, is shown to ballot typing；
Ballot step: ballot typing is received, the modification of ballot typing is received；
Identification step: identification is carried out to voter by fingerprint recognition mode, finger print data is obtained, to finger print data
Proof of identity is carried out, if verification passes through, ballot is opened, otherwise, is then not turned on ballot；The finger print data that verification passes through is carried out
Encryption, using cryptographic fingerprint as the digital finger-print of voter；
Encrypting step: data fingerprint, polled data, ballot submission time are encrypted according to encrypted public key, obtain the
One polled data is generated the private key of voting terminal to random number series, is carried out to random number series to the first polled data using private key
Encryption, obtains the second polled data, is packaged and generates votes the first polled data, the second polled data, voting terminal number
According to packet, uploaded polled data packet as polled data after encryption.
Specifically, the block chain ballot step includes:
Decryption step: after reception encryption after polled data, being decrypted and verify to polled data after encryption, if verification is not
Pass through, then prompt error message, and abandon encryption after polled data otherwise then continue；
As a result statistic procedure: the polled data after encryption in polled data is extracted, according to intelligent contract of voting to votes
According to being counted, voting results are formed, after voting results are added unique identification, carry out cochain storage, it, will in poll closing
Each voting results generates ballot statistical result in block chain, and stores.
In specific implementation, the ballot system of the invention based on block chain technology includes: block chain ballot device, block chain
Node server, block chain ballot system.As shown in Figure 1, the block chain ballot device includes display screen 1, vote module 2 refers to
Line identification module 4, encryption chip 5, battery module 6, the vote module 2 include ballot key 3.
The block chain ballot system includes block chain, vote intelligent contract, block chain browser.Block chain ballot device is logical
Cross wireless network and block chain node server interaction data.Ballot problem data is sent to block chain by block chain ballot system
Ballot device, is checked for voter.Ballot device identifies voter by identification fingerprint.Voter uses ballot device typing votes
According to rear, ballot device encrypts polled data, is uploaded to block chain ballot system.Block chain ballot system storage ballot letter
Breath, statistics final vote is as a result, carry out result presentation.
Implementing procedure is as shown in Fig. 2, first confirm that ballot demand, and the on-demand intelligent contract of compiling ballot, block chain, which is voted, is
Ballot problem data is sent to block chain ballot device by block chain node server by system.Qualified voter's finger
The fingerprint identification module 4 for pressing block chain ballot device opens ballot, checks ballot topic by display screen 1.Encryption chip 5 will refer to
Line identification module 4 knows the finger print data taken and carries out Hash calculation, digital finger-print of the obtained cryptographic Hash as voter.Voter
After checking ballot topic, answer is carried out by the ballot key 3 in vote module 2, single choice or multiselect can be carried out by topic requirements
Ballot, can also abandon ticket.After voter completes all ballot answers, finger presses fingerprint identification module 4 to submit ballot.Encrypt core
The finger print data that fingerprint identification module 4 is known the submission ballot taken by piece 5 carries out Hash calculation, obtains that the number of ballot is submitted to refer to
Line, and the digital finger-print initial with voter is compared, if it fails to match for digital finger-print, returns to mistake, prompts voter
Resubmit ballot；If successful match is returned and is voted successfully, and by voter's digital finger-print, voting results and submission time
It is encrypted by block chain ballot system public key, then random number series is added by using the private key of block chain ballot device
Close, the two and ballot device number are packaged generation polled data packet will be thrown by wireless network connection block chain node server
Ticket data, which is wrapped, reaches block chain ballot system.
After block chain ballot system receives polled data packet, the corresponding public affairs of block chain ballot device are used according to number
Key is decrypted, and the random number series after decryption are compared with the random number series that system generates, if as a result matching into
Enter in next step, if result mismatches, returns to mistake, and packet discard.
Block chain ballot system is decrypted encrypted vote data remaining in packet using its private key, obtains voter's number
Finger print data compares digital fingerprint list of having voted, if not having digital finger-print record in list, by polled data in block
It is broadcasted in chain network, triggers compiled ballot intelligence contract, and the digital finger-print is added to digital finger-print column of having voted
In table；The record, or decryption failure are found when if comparing in digital fingerprint list of having voted, then returns to mistake, notifies block
Chain ballot device.
Optionally, before ballot starting, block chain ballot system can the preset voter's digital finger-print number for meeting ballot qualification
According to library, after the polled data obtained after being decrypted using the private key of block chain ballot system, voter's digital finger-print is pre-
In the digital fingerprint database set, then enters in next step, otherwise return to mistake.If block chain ballot system does not have preset satisfaction to vote
Voter's number fingerprint database of qualification, then the process can skip.
Intelligent contract vote according to set process, block chain ballot system resource is called to be managed and unite polled data
Result is stamped timestamp and cochain stores by meter.When reaching preset poll closing condition, block chain ballot system is based on area
Block chain counts each polled data got, ballot statistical result is generated and stored in block chain, and in block chain
The statistic record of middle storage ballot statistical result.Wherein, it is up to standard to can be the poll closing time for preset poll closing condition,
It can be a variety of trigger conditions such as voter turnout is up to standard.
After the completion of ballot statistics, intelligent contract of voting presses set process, transfers designated blocks chain node server resource, will
Statistical result of voting carries out publicity by block chain ballot browser.
One skilled in the art will appreciate that in addition to realizing system provided by the invention in a manner of pure computer readable program code
It, completely can be by the way that method and step be carried out programming in logic come so that provided by the invention other than system, device and its modules
System, device and its modules are declined with logic gate, switch, specific integrated circuit, programmable logic controller (PLC) and insertion
The form of controller etc. realizes identical program.So system provided by the invention, device and its modules may be considered that
It is a kind of hardware component, and the knot that the module for realizing various programs for including in it can also be considered as in hardware component
Structure；It can also will be considered as realizing the module of various functions either the software program of implementation method can be Hardware Subdivision again
Structure in part.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited to above-mentioned
Particular implementation, those skilled in the art can make a variety of changes or modify within the scope of the claims, this not shadow
Ring substantive content of the invention.In the absence of conflict, the feature in embodiments herein and embodiment can any phase
Mutually combination.
Claims (10)
1. a kind of ballot system based on block chain characterized by comprising
Voting terminal module: receiving and shows ballot topic, carries out proof of identity to voter, receives the ballot typing of voter
Afterwards, polled data is subjected to data encryption, polled data after obtained encryption is uploaded；
Block chain vote module: receiving ballot demand, according to the intelligent contract of ballot demand compiling ballot, by ballot topic and encryption
Public key is sent to voting terminal, receives polled data after encryption, and count to polled data after encryption, forms ballot knot
Fruit, according to voting, intelligent contract carries out cochain storage to voting results.
2. the ballot system according to claim 1 based on block chain, which is characterized in that further include:
Node Server Modules: pass through wireless network and voting terminal interaction data, the transmission of cooperation ballot topic；
Ballot display module: voting results are shown by block chain ballot browser.
3. the ballot system according to claim 1 based on block chain, which is characterized in that the voting terminal module packet
It includes:
Display module: being shown ballot topic, is shown to ballot typing；
Vote module: ballot typing is received, the modification of ballot typing is received；
Identification module: identification is carried out to voter by fingerprint recognition mode, finger print data is obtained, finger print data is carried out
Proof of identity opens ballot, otherwise, is then not turned on ballot if verification passes through；The finger print data passed through to verification adds
It is close, using cryptographic fingerprint as the digital finger-print of voter；
Encrypting module: data fingerprint, polled data, ballot submission time are encrypted according to encrypted public key, obtain the first throwing
Ticket data is generated the private key of voting terminal to random number series, is encrypted to random number series to the first polled data using private key,
The second polled data is obtained, the first polled data, the second polled data, voting terminal number are packaged and generate polled data packet,
It is uploaded polled data packet as polled data after encryption.
4. the ballot system according to claim 3 based on block chain, which is characterized in that the block chain vote module packet
It includes:
Deciphering module: after reception encryption after polled data, being decrypted and verify to polled data after encryption, if verification is obstructed
Cross, then prompt error message, and abandon encryption after polled data otherwise then continue；
As a result statistical module: extracting the polled data after encryption in polled data, according to vote intelligent contract to polled data into
Row statistics, forms voting results, and after voting results are added unique identification, carrying out cochain storage will be each in poll closing
A voting results generate ballot statistical result in block chain, and store.
5. a kind of voting method based on block chain characterized by comprising
Voting terminal step: receiving and shows ballot topic, carries out proof of identity to voter, receives the ballot typing of voter
Afterwards, polled data is subjected to data encryption, polled data after obtained encryption is uploaded；
Block chain ballot step: receiving ballot demand, according to ballot demand compiling ballot intelligence contract, by ballot topic and encryption
Public key is sent to voting terminal, receives polled data after encryption, and count to polled data after encryption, forms ballot knot
Fruit, according to voting, intelligent contract carries out cochain storage to voting results.
6. the voting method according to claim 5 based on block chain, which is characterized in that further include:
Node server step: pass through wireless network and voting terminal interaction data, the transmission of cooperation ballot topic；
Ballot shows step: being shown by block chain ballot browser to voting results.
7. the voting method according to claim 5 based on block chain, which is characterized in that the voting terminal step packet
It includes:
Display step: being shown ballot topic, is shown to ballot typing；
Ballot step: ballot typing is received, the modification of ballot typing is received；
Identification step: identification is carried out to voter by fingerprint recognition mode, finger print data is obtained, finger print data is carried out
Proof of identity opens ballot, otherwise, is then not turned on ballot if verification passes through；The finger print data passed through to verification adds
It is close, using cryptographic fingerprint as the digital finger-print of voter；
Encrypting step: data fingerprint, polled data, ballot submission time are encrypted according to encrypted public key, obtain the first throwing
Ticket data is generated the private key of voting terminal to random number series, is encrypted to random number series to the first polled data using private key,
The second polled data is obtained, the first polled data, the second polled data, voting terminal number are packaged and generate polled data packet,
It is uploaded polled data packet as polled data after encryption.
8. the voting method according to claim 7 based on block chain, which is characterized in that the block chain ballot step packet
It includes:
Decryption step: after reception encryption after polled data, being decrypted and verify to polled data after encryption, if verification is obstructed
Cross, then prompt error message, and abandon encryption after polled data otherwise then continue；
As a result statistic procedure: extracting the polled data after encryption in polled data, according to vote intelligent contract to polled data into
Row statistics, forms voting results, and after voting results are added unique identification, carrying out cochain storage will be each in poll closing
A voting results generate ballot statistical result in block chain, and store.
9. a kind of voting terminal based on block chain, which is characterized in that receive and show ballot topic, carry out identity to voter
Verification, after the ballot typing for receiving voter, carries out data encryption for polled data, will be in polled data after obtained encryption
It passes.
10. the voting terminal according to claim 9 based on block chain, which is characterized in that single including display screen, ballot
Member, fingerprint identification unit, encryption chip, battery；
Display screen shows that fingerprint identification unit identifies the finger print data of voter, the identity school of voter to ballot topic
It tests and is voted by rear unlatching, ballot key is provided in unit of voting, finger print data is carried out Hash operation by encryption chip, will
Digital finger-print of the cryptographic Hash arrived as voter.
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