CN109903450A - Electronic voting method and system - Google Patents
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- CN109903450A CN109903450A CN201910241739.4A CN201910241739A CN109903450A CN 109903450 A CN109903450 A CN 109903450A CN 201910241739 A CN201910241739 A CN 201910241739A CN 109903450 A CN109903450 A CN 109903450A
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Abstract
The embodiment of the present invention discloses a kind of electronic voting method and a kind of electronic voting system.Wherein, electronic voting method for example, initiate ballot step, ballot signature step, ballot verification step and ballot and save step.A kind of electronic voting method provided in an embodiment of the present invention realized based on block chain ballot anonymity, can not tamper and non-repudiation.
Description
Technical field
The present invention relates to ballot technical field more particularly to a kind of electronic voting methods and a kind of electronic voting system.
Background technique
Electronic voting system, which refers to, electronically votes, and a kind of mode by electronically counting poll.
Unlike other types ballot mode: electronic voting is built upon on network voting system, and voting results are completely by journey
Sequence output is participated in without artificial.However participated in without artificial, voting results are likely to be utilized by hacker.And electronic voting system
Unite itself technology content it is not high, lack in ability for the verifying of successive ballots, as long as hacker has grasped principle, so that it may light
Loose ground realizes continuous brush ticket, practises fraud to voting results.Existing electronic voting system frequently involves fraud, deception ballot paper etc.
Problem, these safety problems seriously hinder electronic voting system extensive use.
Summary of the invention
The present invention provides a kind of electronic voting method and a kind of electronic voting system to solve above-mentioned the deficiencies in the prior art
System.
To achieve the goals above, the embodiment of the present invention provides one kind and is suitable for application in comprising vote module, ballot management
In the electronic voting system of module, password preserving module and block generation module, comprising: initiate ballot step: the ballot mould
Block obtains the identification code sent by the ballot management module and ballot list；The vote module generates decrypted private key, and root
Corresponding encrypted public key is calculated according to the decrypted private key；The vote module retains the decrypted private key, and described will add
Migong key is sent to the ballot management module, is stored the encrypted public key to password by the ballot management module and saves mould
Block；The vote module is voted to obtain vote information and polling hours according to the ballot list；Ballot signature step: institute
It states vote module and the first cryptographic Hash is calculated according to the identification code, the polling hours and the vote information；The throwing
Ticket module is signed to obtain signing messages using the decrypted private key to first cryptographic Hash；The vote module will be described
Identification code, the vote information, the polling hours and the signing messages are sent to the ballot management module；Ballot verifying
Step: the ballot management module obtains the encrypted public key from the password preserving module, and public according to the encryption
Key verifies the signing messages and is verified rear signing messages；The ballot management module is according to the identification code, the ballot
The second cryptographic Hash is calculated in information and the polling hours；The ballot management module compare after the verifying signing messages and
Second cryptographic Hash；After signing messages is identical with second cryptographic Hash after comparing the verifying, by the identification code, institute
It states vote information, the polling hours and the signing messages and is sent to the block generation module；Ballot saves step: described
Block generation module generates new block according to the identification code, the vote information, the polling hours and the signing messages
It is added in block chain.
In one embodiment of the invention, the identification code is the unique identification for being associated with the vote module.
In one embodiment of the invention, the decrypted private key is the character string generated at random in non-zero natural number.
In one embodiment of the invention, described that first cryptographic Hash sign using the decrypted private key
It include: to be signed to obtain to first cryptographic Hash using the decrypted private key based on Elliptic Curve Cryptography to signing messages
The signing messages.
In one embodiment of the invention, the new block includes: the identification code, the vote information, the label
Upper block cryptographic Hash in name information, the polling hours and the block chain.
In addition, the embodiment of the invention provides a kind of electronic voting systems, comprising: ballot and is separately connected management module
Vote module, password preserving module and the block generation module of the ballot management module；Wherein, the vote module is used for:
Obtain the identification code sent by the ballot management module and ballot list；Decrypted private key is generated, and according to the decrypted private key
Corresponding encrypted public key is calculated；Retain the decrypted private key, and the encrypted public key is sent to the ballot and is managed
Module is stored the encrypted public key to password preserving module by the ballot management module；It is carried out according to the ballot list
Ballot obtains vote information and polling hours；It is calculated according to the identification code, the polling hours and the vote information
First cryptographic Hash；First cryptographic Hash is signed to obtain signing messages using the decrypted private key；By the identification code,
The vote information, the polling hours and the signing messages are sent to the ballot management module；The ballot manages mould
Block is used for: receiving the identification code, the vote information, the polling hours and the signature sent by the vote module
Information；The encrypted public key is obtained from the password preserving module, and the signing messages is verified according to the encrypted public key
It is verified rear signing messages；The second Hash is calculated according to the identification code, the vote information and the polling hours
Value；Compare signing messages and second cryptographic Hash after the verifying；The signing messages and described second after comparing the verifying
After cryptographic Hash is identical, the identification code, the vote information, the polling hours and the signing messages are sent to the area
Block generation module；The block generation module was used for according to the identification code, the vote information, polling hours and described
Signing messages generates new block and is added in block chain.
In one embodiment of the invention, aforementioned electronic ballot system further include: data memory module is connected to described
Ballot management module；Wherein, the ballot management module is also used to periodically access and count all areas in the block chain
The vote information of block is stored the polled data into the data memory module with obtaining polled data.
In one embodiment of the invention, the new block includes: the identification code, the vote information, the label
Upper block cryptographic Hash in name information, the polling hours and the block chain.
In one embodiment of the invention, the vote module is also used to recall the ballot within ballot deadline
Information.
In one embodiment of the invention, the identification code is the unique identification for being associated with the vote module；The solution
Close private key is the character string generated at random in non-zero natural number；The password preserving module is the first distributed data base；Institute
Stating data memory module is the second distributed data base.
Above-mentioned technical proposal can have following advantage or the utility model has the advantages that a kind of electronic voting provided in an embodiment of the present invention
System is the electronic voting system realized based on block chain, is able to carry out open electronic voting, realizes ballot based on block chain
Anonymity, can not tamper and non-repudiation, can support large-scale electronic voting, and security level is higher.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, required use in being described below to embodiment
Attached drawing be briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this
For the those of ordinary skill of field, without creative efforts, it can also be obtained according to these attached drawings others
Attached drawing.
Fig. 1 is the structural schematic diagram of electronic voting system in first embodiment of the invention；
Fig. 2 is the another structural schematic diagram of electronic voting system in first embodiment of the invention；
Fig. 3 is the structural schematic diagram of new block 161 in electronic voting system in first embodiment of the invention；
Fig. 4 a- Fig. 4 c is the schematic diagram of the specific embodiment of electronic voting system in first embodiment of the invention；
Fig. 5 is the flow diagram of electronic voting method in second embodiment of the invention；
Fig. 6 is the flow chart of electronic voting method step S31 in second embodiment of the invention；
Fig. 7 is the flow chart of electronic voting method step S32 in second embodiment of the invention；
Fig. 8 is the flow chart of electronic voting method step S33 in second embodiment of the invention；
Fig. 9 is the flow chart of electronic voting method step S34 in second embodiment of the 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.
It should be noted that description and claims of this specification and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Term be interchangeable under appropriate circumstances, so that the embodiment of the present invention described herein can be in addition to illustrating herein or retouching
Sequence other than those of stating is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that covering
Non-exclusive includes, for example, the process, method, system, product or equipment for containing a series of steps or units are not necessarily limited to clearly
Those of list to Chu step or unit, but may include be not clearly listed or for these process, methods, product or
Other intrinsic step or units of equipment.
[first embodiment]
Referring to Fig. 1, first embodiment of the invention proposes a kind of electronic voting system.As shown in Figure 1, electronic voting system 10
For example, vote module 11, ballot management module 12, password preserving module 13 and block generation module 14.Wherein, ballot pipe
Reason module 12 is separately connected vote module 11, password preserving module 12 and block generation module 14.
Specifically, vote module 11 is used for:
Obtain the identification code sent by ballot management module 12 and list of voting；
Decrypted private key is generated, and corresponding encrypted public key is calculated according to the decrypted private key；
Retain the decrypted private key, and the encrypted public key is sent to ballot management module 12, by ballot management module
12 store the encrypted public key to password preserving module 13；
It is voted to obtain vote information and polling hours according to the ballot list；
The first cryptographic Hash is calculated according to the identification code, the polling hours and the vote information；
First cryptographic Hash is signed to obtain signing messages using the decrypted private key；
The identification code, the vote information, the polling hours and the signing messages are sent to ballot management mould
Block 12.
Ballot management module 12 is used for:
Receive the identification code, the vote information, the polling hours and the signature sent by vote module 11
Information obtains the encrypted public key from password preserving module 13, and verifies the signing messages according to the encrypted public key
It is verified rear signing messages；
The second cryptographic Hash is calculated according to the identification code, the vote information and the polling hours；
Compare signing messages and second cryptographic Hash after the verifying；
After signing messages is identical with second cryptographic Hash after comparing the verifying, by the identification code, the ballot
Information, the polling hours and the signing messages are sent to block generation module 14.
Block generation module 14 is used for according to the identification code, the vote information, the polling hours and the signature
Information generates new block and is added in block chain.
Further, as shown in Fig. 2, electronic voting system for example further includes data memory module 15, it is connected to ballot pipe
Manage module 12.Wherein, ballot management module 12 is also used to periodically access and count the ballot of all blocks in block chain 16
Information is stored the polled data into data memory module 15 with obtaining polled data.Wherein, ballot management module 12
Polled data can be stored for the first time in data memory module 15, or update the votes stored in data memory module 15
According to.
Further, vote module 11 can also recall the vote information within ballot deadline.
Specifically, the identification code mentioned is the unique identification for being associated with vote module 11, is transmitted by network security channel.
The ballot list mentioned is the list comprising multiple the person to be electeds.The decrypted private key mentioned is to generate at random in non-zero natural number
Character string, what the encrypted public key mentioned for example was calculated based on message authentication mode according to decrypted private key.Password saves mould
Block 13 is, for example, a kind of database, for example, is PKI (Public Key Infrastructure, underlying public key facility),
PKI is the distributed data base for managing and maintaining the encrypted public key of voter.Data memory module 15 is, for example, a kind of distribution
Database.The first cryptographic Hash and the second cryptographic Hash mentioned are, for example, to be calculated using SHA-256 algorithm.
Further, as shown in figure 3, new block 161 for example, identification code 1611, vote information 1612, signing messages
1613, upper block cryptographic Hash 1615 in polling hours 1614 and block chain 16.Wherein, the upper block cryptographic Hash 1615 mentioned
Such as it and is calculated using SHA-256 algorithm.
The present embodiment in order to facilitate understanding carries out detailed below with reference to specific embodiment of Fig. 4 a to Fig. 4 b to the present embodiment
It describes in detail bright.
As shown in fig. 4 a, a kind of electronic voting system that the present embodiment specific embodiment provides is for example including voter
(vote module), ballot office (ballot management module), PKI (password preserving module), (block generates mould to block generator
Block), polled data library (data memory module) and ballot block chain (block chain).
Specifically, voter can vote or recall ballot.Ballot office can inquire ballot quantity, verifying is thrown
Ticket authenticity, the encrypted public key for inquiring voter and update polled data.Polled data library is, for example, store votes evidence
Distributed data base, by voting, office is responsible for periodically updating.PKI is the distribution for managing and maintaining the encrypted public key of voter
Formula database, by voting, office is responsible for initialization data.Block generator is responsible for generating new block.
As shown in Figure 4 b, ballot block chain is by several ballot blocks (block) for being stored with vote information sequentially connected
Composition.In general, first ballot block is known as creating generation block, before being voted, from first block generator creation.
Ballot block chain is a kind of ballot structure for having robustness, high security and protection privacy based on distributed account book.
Wherein, vote block chain ballot block include voter ID namely identification code, vote information, ballot signature namely
Signing messages, polling hours are also known as timestamp and a upper block cryptographic Hash.Wherein, voter ID is a string assigned at random
Meaningless character string, by network security channel be transmitted or line under get.Vote information is the electronics for marking the person to be elected
Information.Ballot signature is the label for generate after signature operation to the cryptographic Hash of vote information using the decrypted private key of voter
Name, for guaranteeing the non repudiation of ballot.Polling hours are the character strings for recording the polling hours.A upper block Hash
Value is that the cryptographic Hash of a upper block is calculated using SHA-256 algorithm.It assures that the integrality of a upper block.Once block
It generates, the cryptographic Hash of block is calculated, it will not be able to be modified again.
Further, ballot office can be accessed and be owned on ballot block chain by the wound generation block for block chain of voting
Ballot block in the vote information that stores, count the data of ballot.Ballot office can also be set by inquiring public base
Apply PKI obtain voter encrypted public key, and verifying ballot authenticity and voter whether have permission ballot.Ballot office
Room can also update the polled data in polled data library by the vote information of periodic queries block chain.Polled data library
Store all polled datas.PKI stores the encrypted public key of all voters.
As illustrated in fig. 4 c, the course of work of the progress electronic voting of electronic voting system is as follows:
(1) each voter gets ID from ballot office by network security channel and the person to be elected's list (is thrown
Ticket list).
(2) each voter generates a pair of of decrypted private key and encrypted public key, then voluntarily takes care of decrypted private key, submits and adds
Migong key to ballot office.
(3) ballot office stores encrypted public key to PKI.
(4) block generator elects at random in ballot office.
(5) the first block generator elected creates wound generation block, i.e. first ballot block in ballot block chain.
(6) voter generates corresponding cryptographic Hash H=according to vote information, identification code and polling hours using SHA-256
ID+Vote+TimeStamp。
Wherein, the specific mistake of corresponding cryptographic Hash is generated according to vote information, identification code and polling hours using SHA-256
Journey is as follows:
(a) m is the binary representation of vote information.
(b) length of the m indicated using 100...000 and 64 bits fills m, i.e. m '=pad (m).
(c) m is divided into the block of 512 bits, i.e. M(1),M(2),...,M(N)。
(d) 64 constants are used, and are identified as W0,W1,...,W63。
(e) 8 variables are used, i.e. A=0x6A09E667, B=0xBB67AE85, C=0x3C6EF372, D=
0xA54FF53A, E=0x510E527F, F=0x9B05688C, G=0x1F83D9AB, H=0x5BE0CD19.
(f) calculated result in each block based on a upper block calculates 64 wheel interative computations.
(g) last blocks of calculated result is cryptographic Hash.
(7) voter carries out signature operation to the cryptographic Hash that previous step obtains using decrypted private key and generates signature S.
Wherein, signature is realized based on elliptic curve cipher (ECC), for guaranteeing the authenticity of ballot.Decrypted private key
It is the character string d that voter generates at random in [1, n-1]A, encrypted public key is the character that voter generates according to decrypted private key
String QA=dA×G.× it is elliptic curve point multiplication.G indicates elliptic curve basic point,nIndicate Prime Orders, LnIndicate n-bit length.
Voter carries out the specific mistake that signature operation generates signature S to the cryptographic Hash that previous step obtains using decrypted private key
Journey is as follows:
(a) v '=HASH (v) is calculated, HASH is the hash function using SHA-256.
(b) enabling z is LnMost left bit series v '.
(c) a random integers k is selected from [1, n-1].
(d) elliptic curve point (x is calculated1,y1)=k × G.
(e) r=x is calculated1Mod n is returned (c) if r==0.
(f) s=k is calculated-1(v′+rdA) mod n, if s==0, return (c).
(g) signature for the cryptographic Hash voted is (r, s).
(8) signature that voter obtains identification code, vote information, polling hours and previous step, i.e. ID, Vote,
TimeStamp, S are sent to ballot office.
(9) ballot office obtains the encrypted public key of voter.
(10) ballot office generates corresponding Hash according to identification code, vote information and polling hours using SHA-256
Value H, wherein H=ID+Vote+TimeStamp.
(11) ballot office uses the signature of encrypted public key verification step (8), and obtains H '.
(12) ballot office compares H and H ', and whether inquiry and verifying voter have permission ballot.
(13) after being proved to be successful, block generator generates one according to identification code, vote information, polling hours and signing messages
A new block, and it is embedded in a upper block cryptographic Hash in new block tail portion, block chain then is added in new block.
Wherein, ballot is the process that voter carries out selection according to the person to be elected's list, usually disclose with it is non-encrypted
Form.
Certainly, in the present embodiment, voter can recall ballot, i.e. voter can recall ballot within deadline,
The process recalled is similar with the process of ballot, for sake of simplicity, no longer repeating herein.
In conclusion electronic voting system provided in this embodiment, is the electronic voting system realized based on block chain, energy
Enough carry out open electronic voting, based on block chain realize ballot anonymity, can not tamper and non-repudiation, Ke Yizhi
Large-scale electronic voting is held, and security level is high.
[second embodiment]
Referring to the flow diagram of Fig. 5, second embodiment of the invention electronic voting method provided.As shown in figure 5, electronics
Voting method is for example including step S31 to step S34.
Step S31: ballot step is initiated；
Wherein, as shown in fig. 6, step S31 is for example including step S311 to S314.
Step S311: the vote module obtains the identification code sent by the ballot management module and ballot list；
Step S312: the vote module generates decrypted private key, and corresponding add is calculated according to the decrypted private key
Migong key；
Step S313: the vote module retains the decrypted private key, and the encrypted public key is sent to the ballot
Management module is stored the encrypted public key to password preserving module by the ballot management module；
Step S314: the vote module is voted to obtain vote information and polling hours according to the ballot list；
Step S32: ballot signature step；
Wherein, as shown in fig. 7, step S32 is for example including step S321 to step S323.
Step S321: the vote module is calculated according to the identification code, the polling hours and the vote information
To the first cryptographic Hash；
Step S322: the vote module signs to first cryptographic Hash using the decrypted private key
Information；
Step S323: the vote module is by the identification code, the vote information, the polling hours and the signature
Information is sent to the ballot management module；
Step S33: ballot verification step；
Wherein, as shown in figure 8, step S33 is for example including step S331 to step S334.
Step S331: the ballot management module obtains the encrypted public key, Yi Jigen from the password preserving module
The signing messages, which is verified, according to the encrypted public key is verified rear signing messages；
Step S332: the ballot management module is counted according to the identification code, the vote information and the polling hours
Calculation obtains the second cryptographic Hash；
Step S333: the ballot management module compares signing messages and second cryptographic Hash after the verifying；
Step S334: after signing messages is identical with second cryptographic Hash after comparing the verifying, by the identification code,
The vote information, the polling hours and the signing messages are sent to the block generation module；
Step S34: ballot saves step；
Wherein, as shown in figure 9, step S34 is for example including step S341.
Step S341: the block generation module is according to the identification code, the vote information, the polling hours and institute
Signing messages generation new block is stated to be added in block chain.
Wherein, the identification code mentioned is the unique identification for being associated with vote module, is transmitted by network security channel.It mentions
Decrypted private key be the character string generated at random in non-zero natural number, the encrypted public key mentioned is for example based on message authentication mode
It is calculated according to decrypted private key.The ballot list mentioned is the list comprising multiple the person to be electeds.The password mentioned saves
Module is, for example, a kind of database, and for example, (Public Key Infrastructure, underlying public key are set for example, PKI
Apply), PKI is the distributed data base for managing and maintaining the encrypted public key of voter.The cryptographic Hash mentioned is, for example, to use SHA-
What 256 algorithms were calculated.The new block mentioned for example, the identification code, the vote information, the signing messages,
Upper block cryptographic Hash in the polling hours and the block chain.
Further, step S322 for example, based on Elliptic Curve Cryptography using the decrypted private key to described the
One cryptographic Hash is signed to obtain the signing messages.
It should be noted that electronic voting method provided in this embodiment is the electronic voting that aforementioned first embodiment provides
The electronic voting course of work that system is realized, modules being related to for the present embodiment etc., which are specifically introduced, can refer to first in fact
Example is applied, for sake of simplicity, details are not described herein.
In conclusion electronic voting method provided in this embodiment, is able to carry out open electronic voting, it is real based on block chain
Showed ballot anonymity, can not tamper and non-repudiation, can support large-scale electronic voting, and security level
It is high.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (10)
1. a kind of electronic voting method is suitable for application in comprising vote module, ballot management module, password preserving module and block
In the electronic voting system of generation module characterized by comprising
Initiate ballot step:
The vote module obtains the identification code sent by the ballot management module and ballot list；
The vote module generates decrypted private key, and corresponding encrypted public key is calculated according to the decrypted private key；
The vote module retains the decrypted private key, and the encrypted public key is sent to the ballot management module, by institute
Ballot management module is stated by encrypted public key storage to password preserving module；
The vote module is voted to obtain vote information and polling hours according to the ballot list；
Ballot signature step:
The first cryptographic Hash is calculated according to the identification code, the polling hours and the vote information in the vote module；
The vote module is signed to obtain signing messages using the decrypted private key to first cryptographic Hash；
The identification code, the vote information, the polling hours and the signing messages are sent to institute by the vote module
State ballot management module；
Ballot verification step:
The ballot management module obtains the encrypted public key from the password preserving module, and according to the encrypted public key
It verifies the signing messages and is verified rear signing messages；
The second Hash is calculated according to the identification code, the vote information and the polling hours in the ballot management module
Value；
The ballot management module compares signing messages and second cryptographic Hash after the verifying；
After signing messages is identical with second cryptographic Hash after comparing the verifying, by the identification code, the vote information,
The polling hours and the signing messages are sent to the block generation module；
Ballot saves step:
The block generation module is raw according to the identification code, the vote information, the polling hours and the signing messages
It is added in block chain at new block.
2. electronic voting method according to claim 1, which is characterized in that the identification code is to be associated with the vote module
Unique identification.
3. electronic voting method according to claim 1, which is characterized in that the decrypted private key is in non-zero natural number
The character string generated at random.
4. electronic voting method according to claim 1, which is characterized in that it is described using the decrypted private key to described the
One cryptographic Hash is signed to obtain signing messages to include: using the decrypted private key based on Elliptic Curve Cryptography to described first
Cryptographic Hash is signed to obtain the signing messages.
5. electronic voting method according to claim 1, which is characterized in that the new block includes: the identification code, institute
State vote information, the signing messages, upper block cryptographic Hash in the polling hours and the block chain.
6. a kind of electronic voting system characterized by comprising ballot management module and be separately connected the ballot and manage mould
Vote module, password preserving module and the block generation module of block；
Wherein, the vote module is used for: obtaining the identification code sent by the ballot management module and ballot list；Generate solution
Close private key, and corresponding encrypted public key is calculated according to the decrypted private key；Retain the decrypted private key, and described will add
Migong key is sent to the ballot management module, is stored the encrypted public key to password by the ballot management module and saves mould
Block；It is voted to obtain vote information and polling hours according to the ballot list；According to the identification code, the polling hours
The first cryptographic Hash is calculated with the vote information；First cryptographic Hash is signed to obtain using the decrypted private key
Signing messages；The identification code, the vote information, the polling hours and the signing messages are sent to the ballot pipe
Manage module；
The ballot management module is used for: receiving the identification code sent by the vote module the, vote information, described
Polling hours and the signing messages；The encrypted public key is obtained from the password preserving module, and public according to the encryption
Key verifies the signing messages and is verified rear signing messages；When according to the identification code, the vote information and the ballot
Between the second cryptographic Hash is calculated；Compare signing messages and second cryptographic Hash after the verifying；After comparing the verifying
After signing messages is identical with second cryptographic Hash, by the identification code, the vote information, the polling hours and the label
Name information is sent to the block generation module；
The block generation module is used for according to the identification code, the vote information, the polling hours and the A.L.S.
Breath generates new block and is added in block chain.
7. electronic voting system according to claim 6, which is characterized in that further include:
Data memory module is connected to the ballot management module；
Wherein, the ballot management module is also used to periodically access and count the ballot letter of all blocks in the block chain
Breath is stored the polled data into the data memory module with obtaining polled data.
8. electronic voting system according to claim 6, which is characterized in that the new block includes: the identification code, institute
State vote information, the signing messages, upper block cryptographic Hash in the polling hours and the block chain.
9. electronic voting system according to claim 6, which is characterized in that the vote module is also used to end in ballot
The vote information is recalled in time.
10. electronic voting system according to claim 7, which is characterized in that the identification code is to be associated with the ballot mould
The unique identification of block；The decrypted private key is the character string generated at random in non-zero natural number；The password preserving module is
First distributed data base；The data memory module is the second distributed data base.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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