CN112789823A

CN112789823A - Block chain-based election network system and election method

Info

Publication number: CN112789823A
Application number: CN201980041782.4A
Authority: CN
Inventors: 李敏宰
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-11
Filing date: 2019-10-11
Publication date: 2021-05-11
Anticipated expiration: 2039-10-11
Also published as: CN112789823B; WO2021049702A1; KR102120882B1

Abstract

The invention discloses an election method of an election network system based on a block chain. The election method of the election network system based on the block chain comprises the following steps: step (A), the superior node of the superior party host who wants to host the party forms an alliance by requesting the generation of the party to a platform manager; step (B), the superior node or the subordinate node of the subordinate party host generates the private key and public key pair of the candidate participating in the party and registers the candidate; step (C), the manager node is limited to the authenticated user to generate a private key and public key pair, and an account is added to the network to register the voter participating in the conference; step (D), the voter node registered as the voter generates a voting transaction through the public key of the candidate; and (E) the verifier node generates a query transaction, confirms the detailed information of the transaction generated from the voter account to the candidate account through the generated query transaction and calculates the voting result.

Description

Block chain-based election network system and election method

Technical Field

The present invention relates to a block chain-based election network system and an election method, and more particularly, to an election network system and a voting result calculation method in which an election sponsor can register candidates, and only network members can inquire voting particulars recorded in a block chain, thereby enabling a plurality of votes to be cast on a single platform.

Background

Unless otherwise indicated in the specification, it is to be understood that all matters herein set forth are not to be interpreted as prior art, but rather as being indicative of the scope of the claims.

The block chain is a scattered account book technology, a central centralized mechanism is not needed, and system participants can record, verify and store transaction information together to ensure the reliability of the transaction information. The blockchain is governed by a protocol for peer-to-peer networks between participants to collectively validate new blocks, so if someone wants to manipulate a transaction record, all blocks connected between the participants need to be manipulated before the new block is generated.

That is, many blocks in the blockchain need to be manipulated within a specified time, which is not actually possible, and therefore, the blockchain technique has high transaction security.

In addition, the blockchain can solve the double payment problem of fraud and the like only by realizing the transaction of the new unit value once, and the transaction cost can be greatly reduced because the mediation can be realized without a mediation mechanism. The blockchain may not only be the basis for manipulating virtual currencies, e-mail, etc., but also has unlimited creative potential in a number of fields, such as user authentication, smart contracts, security issues and transactions, overseas remittance and funds transfer, trade financing, real estate registration, authenticity verification of luxury goods, digital identification number management, electronic voting, personal health record management, etc.

With the development of wireless communication technologies such as networks, electronic voting has been studied to replace the conventional paper voting method. Electronic voting has an effect that voting is performed by using a node capable of communicating as electronic voting using a network, and therefore is not limited in terms of time and space. Despite this advantage, a number of problems have been identified in the existing electronic voting schemes. As a specific example, if a node is maliciously occupied by a hacker or the like, a packet containing voting content may be manipulated or damaged, and information about who cast a vote to which candidates can be revealed by reversely tracing a target node that exercises electronic voting.

Electronic voting cannot guarantee the four major principles of election due to the problems, and the current technology has limitations in the aspect of importing the electronic voting technology. Therefore, although it is necessary to develop a technology capable of securing the reliability of the voting process and the result in the electronic voting process, the patent technology related to the conventional electronic voting focuses on protecting the personal information of the voter and preventing fraud in the voting process, and there is no host-side correlation technology for registering candidates and managing voting.

Disclosure of Invention

Technical problem

The invention provides a block chain-based election network system and an election method through embodiments, namely, an authenticated party sponsor of a conference can register candidates, only network members can inquire the voting details recorded in a block chain, a plurality of participants can perform related voting in a single platform, and the voting results of legal participants can be automatically calculated. Moreover, the general ledger data can be generated to prove the voting detail under the condition that the cheating dispute is generated on the voting, thereby improving the notarization and the reliability of the voting.

Technical scheme

The election method of the election network system based on the block chain comprises the following steps: step (A), the superior node of the superior party host who wants to host the party forms an alliance by requesting the generation of the party to a platform manager; step (B), the superior node or the inferior node as the inferior party host generates the private key and public key pair of the candidate participating in the conference and registers the candidate; step (C), the manager node is limited to the authenticated user to generate a private key and public key pair, and an account is added to the network to register the voter participating in the conference; step (D), the voter node registered as the voter generates a voting transaction through the public key of the candidate; and (E) the verifier node generates a query transaction, confirms the detailed information of the transaction generated from the voter account to the candidate account through the generated query transaction and calculates the voting result.

The block chain-based election network system according to another embodiment includes: the superior node forms a union by requesting a large conference generation from a system manager; the conference host node is used for generating a private key and public key pair of the candidate participating in the conference and registering the candidate of the conference; the manager node is limited to the authenticated user to generate a private key and public key pair, and registers the voter participating in the conference by adding an account number to the network; the voter node generates a voting transaction through the public key of the candidate; and the verifier node generates a query transaction, confirms the detailed information of the transaction generated from the voter account to the candidate account through the generated query transaction and calculates a voting result.

ADVANTAGEOUS EFFECTS OF INVENTION

The above-described election network system and election method based on the blockchain have the effects that the reliability of electronic voting is improved by recording the voting details in the blockchain, and only the participators allowed by the representative node (manager node) can generate transactions in the network, thereby ensuring privacy and improving the security of the voting process and the result.

In addition, because a plurality of parties are organized on a single platform, users who want to participate in voting can be gathered easily on the premise of the party sponsor of the parties, and thus the advertising and popularization of the parties are facilitated.

In addition, when a winner of a local area congress enters a selected congress or a winner of a domestic congress enters an international congress, a superior congress host needs to select and manage a subordinate congress host, in the embodiment, a private key of a subordinate right is generated by adding a private key of a superior right and a serial number (alliance identity number) of the subordinate right through a hash function, and a public key is generated by the private key through an Elliptic Curve Digital Signature Algorithm (ECDSA), so that the superior congress host can manage a plurality of subordinate congress.

In addition, since the vote details of the participants are stored in the blockchain, manipulation or hacking can be prevented, and thus reliability and security of a conference can be improved.

The effects of the present invention are not limited to the above-described effects, and it should be understood that the present invention includes all the effects derived from the configuration of the invention described in the detailed description of the present invention or the claims of the present invention.

Drawings

Fig. 1a is a diagram illustrating a node structure of a blockchain-based election network system of an embodiment.

FIG. 1b is a diagram illustrating a conventions platform generated by the system of an embodiment.

Fig. 2 is a diagram showing data processing blocks of the manager node and the upper node of the embodiment.

Fig. 3 is a diagram showing a data processing structure of a verifier node of the embodiment.

FIG. 4 is a diagram showing a large conference generation flow for illustrating an embodiment.

Fig. 5 is a diagram showing the structure of a blockchain-based election network system of the embodiment.

Fig. 6 is a signal flow diagram illustrating a blockchain-based election network system of an embodiment.

Fig. 7 is a diagram illustrating a general ledger data structure generated by a blockchain-based election network system of an embodiment.

Detailed Description

The advantages, features and methods of accomplishing the same may be understood by reference to the drawings and the detailed description that follow. However, the present invention is not limited to the embodiments disclosed below, and the present invention can be implemented by various embodiments, and the embodiments are only used to make the disclosure of the present invention complete, so that those skilled in the art to which the present invention pertains can fully understand the scope of the present invention, and the present invention is only defined by the scope of the claims. Throughout this specification, like reference numerals denote like structural elements.

In describing the embodiments of the present invention, when it is judged that a detailed description about a known function or structure may unnecessarily obscure the gist of the present invention, a detailed description thereof will be omitted. Also, terms in the following description are terms defined in consideration of functions of embodiments of the present invention, and may be different according to intentions or conventions of a user, an operator, and the like. Therefore, it should be defined based on the contents throughout the present specification.

Referring to fig. 1a, a blockchain-based election network system of an embodiment may include a manager node 100, a verifier node 101, an upper node 200,

lower nodes

301 and 302, and a voter node 401.

The manager node 100, which is a terminal or a server of a platform (system) manager constituting a federation, constitutes a federation of a requested conference by receiving a conference generation request from a superordinate node 200 that is to hold the conference. After the federation is formed, the upper node 200, which is the host of each conference, registers a conference candidate. In an embodiment, superior node 200 may register a candidate by generating a private-public key pair (pair) of the candidate participating in the conference. In an embodiment, the congruence candidate may be registered by an upper node or a lower node as a congruence host node.

The upper node 200, which is an upper conference host, generates a conference hosting request message, transmits the message to the manager node 100, and combines the private key of the conference with the serial number (e.g., a federation id number) of the subordinate node, and then generates the private key of the subordinate node using a hash function. In an embodiment, the public key is generated by implementing an Elliptic Curve Digital Signature Algorithm (ECDSA) on the private key. Elliptic Curve Digital Signature Algorithm (ECDSA) is a digital signature algorithm using an elliptic curve Encryption (ECC) scheme in Digital Signature Algorithm (DSA). As an encryption scheme having a 160-bit key, it is suitable for a mobile terminal because it has security equivalent to a 1024-bit asymmetric key (RSA) scheme and can reduce processing speed.

In an embodiment, an upper node, which is an upper conference host, may manage a plurality of lower nodes by combining a private key of an upper authority and a serial number (e.g., a federation id number) of a lower authority and generating the private key of the lower authority through a process of hash function encryption.

Also, since the vote details are stored in the blockchain, manipulation or hacking can be prevented, and thus reliability of a meeting can be improved.

In order to add candidates participating in a conference, the

lower nodes

301 and 302 calculate a private key using a hash function by adding a key of a corresponding conference host as a non-public key and a candidate number, and calculate a candidate voting address as a candidate public key in an output value by inputting the calculated private key to an elliptic curve digital signature algorithm.

When a participant who is an voter who wants to participate in voting normally completes a Customer survey (KYC) procedure such as mobile phone authentication and account real name authentication, the manager node 100 generates a private key by a hash function by adding a password directly registered by the participant and the voter number, and then issues a public key by inputting the private key to an elliptic curve digital signature algorithm.

The voting participant, i.e., the voter node 401, receiving the private key and the public key that encrypted the private key may participate in the vote by generating a transaction encrypted with its own private key as the public key address of the congress candidate.

The verifier node 101 confirms whether the generated transaction belongs to the normal participant who has undergone the authentication step by decoding the transaction generated from the voting voter node through the public key of the voting participant. Also, in an embodiment, verifier node 101 verifies whether each voter node exceeds the voteable number of times.

In an embodiment, the voting details verified by the verifier node 101 are again encrypted by the public keys of the voting participants and recorded in blocks. The voting detail recorded in the block can be decoded only by the private key of the voting participant, so that only the person who votes can inquire the voting detail.

Also, in the embodiment, the verifier node 101 records to the block details encrypted by the public key of the candidate and details encrypted by the public key of the subordinate congressor, respectively. In this case, the candidate may decode the recorded details encrypted by the candidate's public key with the principal's private key. Further, since the upper party host can know the private key of the lower party host, both the lower party host and the upper party host can decode the detail encrypted by the public key of the lower party host.

As described in the embodiment, since the transactions respectively generated from the voter nodes are encrypted and recorded in the blockchain, the upper node as the upper conference host may inquire all the transactions of the plurality of lower nodes as the lower conference hosts, and conversely, the lower conference host may make it impossible to inquire the transactions related to the upper conference and other lower conferences. In an embodiment, when the next-level congress voting is finished, the node also adds the private key of the node and the serial number of the candidate to calculate the private key and generates the public key of the candidate through an elliptic curve digital signature algorithm.

Thereafter, the manner of voting and recording in blocks is the same as the procedure described above.

Although fig. 1 illustrates an embodiment by taking a node structure in a vertical structure (vertical) as an example, the block chain-based election network system according to the embodiment may form not only a node system in a vertical structure, but also a node system in a plurality of structures such as a Bus (Bus), a Ring (Ring), a star (star), an Extended star (Extended star), and a Mesh (Mesh) form.

The block chain-based election network system of the embodiments may host multiple conferences simultaneously. Referring to fig. 1b, the conference platform of the embodiment is connected to the conference host node belonging to the corresponding conference through the first conference network and the second conference network sharing all of the voters, the host-used general ledger block, the candidate-used general ledger block and the voter-used general ledger block. The first congress network is connected with a first superior mechanism node, a voter shared by the whole congress network and a general ledger block, and the first superior mechanism node is connected with a candidate pool, a first subordinate mechanism node and a second subordinate mechanism node. And the first subordinate mechanism node and the second subordinate mechanism node are respectively connected with the candidate pool. The second congress network is connected with the voter, the general ledger and the superior node (superior organization) shared by the whole network, and the superior node can be connected with the inferior node (inferior organization).

The manager node, the upper node, and the lower node of an embodiment may include a key generation module 110, an encryption module 130, and a candidate registration module 150. The term "module" as used in this specification may include software, hardware, or a combination thereof, depending on the context in which the term is used. For example, the software may be a mechanical language, firmware (firmware), embedded code (embedded code), and application software. As another example, the hardware may be circuitry, a processor, a computer, an integrated circuit chip, a sensor, a Micro-Electro-Mechanical System (MEMS), a manual device, or a combination thereof.

The key generation module 110 evaluates the suitability of the high meeting through the high meeting generation message received by the manager node, and issues a private key to the upper-level high meeting host if the host is approved according to the evaluation result. In the embodiment, the suitability of the large conference can be evaluated by the presence or absence of input information included in the large conference generation request message, the determination of the large conference generation, authentication of the administrator, and the like. In an embodiment, the generated private key may be a key generated using a grand conference generation date, time, name, details of an upper node, and the like.

The encryption module 130 generates a public key using an Elliptic Curve Digital Signature Algorithm (ECDSA) for a private key issued through a hash function. For example, after adding the private key of the upper conference and the serial number of the lower node such as the federation id number, the private key of the lower node is generated by a hash function, and the public key is generated by applying an elliptic curve digital signature algorithm to the private key.

When a candidate participating in a major conference is added to a next-stage node, the candidate registration module 150 calculates a candidate voting address as a public key of a candidate in an output value manner by adding a key of a corresponding major conference host as a non-public key and a candidate serial number, calculating a private key using a hash function, and inputting the calculated private key to an elliptic curve digital signature algorithm.

Next, the voter node performs a Customer survey (KYC) step of confirming the user identity, and when a password is registered by the voter of the Customer survey, the manager node adds the password and the voter serial number and issues a private key of the voter through a hash function, and the issued private key generates a public key through an elliptic curve digital signature algorithm. The voter node then performs a vote by generating a transaction encrypted by the issued private key via the public key address of the congress candidate.

In an embodiment, a public key generated by applying an elliptic curve digital signature algorithm to a private key may be used as an address for transceiving a transaction when the public key is externally disclosed.

Referring to fig. 3, the verifier node 101 of an embodiment may include a decoding module 1011, a transaction determination module 1013, and a recording module 1015.

The decoding module 1011 is used to decode the transaction encrypted by the public key of the voting participants.

The transaction determination module 1013 is configured to determine whether a transaction is generated from a properly authenticated elector node. And, the verifier node is used to verify whether the voteable number is exceeded. Also, in an embodiment, the transaction determination module 1013 calculates a voting result by grasping final state information of the candidate account, and generates a voting transaction only at a participant terminal that completes verification by prohibiting an access transaction when a result calculation transaction and a result inquiry transaction are generated from accounts to which no manager node is added. In an embodiment, the transaction determination module 1013 may validate a transaction by comparing detailed information of the transaction with registered information. For example, the transaction can be verified by grasping the transaction generation time point, the data transmission/reception address, the packet capacity, and the like, and grasping whether or not data is transmitted to the transmission/reception address of the registered node, whether or not the packet capacity is within a predetermined range, and the like.

The recording module 1015 encrypts the validated voting details again with the public key of the voting participant and records them in blocks. For example, the recording module 1015 generates and records a list in which the vote list is encrypted by the public key of the candidate, a list in which the vote list is encrypted by the public key of the lower party host, and a list in which the vote list is encrypted by the public key of the voter.

The block chain-based election network system of the embodiment can simultaneously conduct a plurality of conferences. For example, by adopting a sequential encryption system manner of issuing a federation identification number and a secret key, an upper grand conference host (upper node) can generate and manage a lower grand conference (lower node). In addition, since the voting details are stored in the blockchain, the damage of manipulation or hacking can be eliminated, and the general ledger for the external authentication institution can be separately generated in order to prevent disputes that may occur in the future.

The following describes an embodiment of the production flow in further detail with reference to fig. 4.

Grand meeting generation flow

In the embodiment, first, in order to generate a congruence, when an upper node as an upper congruence host requests the congruence platform to generate the congruence, the platform manager evaluates the fitness of the congruence and then assigns any one of the non-overlapping congruence numbers. The assigned grand conference serial number will be disclosed as a federation id number. Next, the platform manager adds the password input by the host of the superior conference and the conference number, calculates the private key of the superior conference by a hash function, and generates the public key by applying an elliptic curve digital signature algorithm to the private key.

The lower party sponsor requests party generation from the upper party sponsor at the platform. The upper node as the upper party host will assign a non-duplicate lower party number after evaluating the fitness of the party. The assigned sequence numbers will be disclosed in the form of a hierarchical congress identity number. In an embodiment, taking the value implementing the hash function as the private key, the public address may be generated by implementing an elliptic curve digital signature algorithm on the private key.

Fig. 5 is a diagram showing the structure of a blockchain-based election network system of the embodiment. Hereinafter, the data processing flow according to the embodiment will be described in further detail with reference to fig. 5.

Candidate registration process

First, when a party host is to register a candidate, a 64-bit value is obtained by encrypting a value obtained by adding the private key of the corresponding party and the candidate number by using the SHA256 hash function algorithm. The encrypted 64-bit value will be known only by the candidate himself as the key of the candidate. The value obtained by applying the elliptic curve digital signature algorithm to the private key of the candidate becomes the public address of the candidate of the transferable block chain token.

As shown in fig. 5, when the first upper host a registers a candidate, the first upper host a adds the private key of the person and the candidate number and encrypts the result by a hash function.

If the third subordinate host D is to register a candidate of the corresponding conference, the private key and the candidate serial number are added, then the key of the candidate is generated through a hash function, and then an elliptic curve digital signature algorithm is carried out on the generated key to become the public address of the candidate.

Voting process

When the user is authenticated (mobile phone and bank account authentication) to complete the joining, the voter (voter node) registers a password with more than any 8 digits for inquiring the voting details of the user. If the password is registered, the manager node assigns an arbitrary user number. In an embodiment, users who are candidates for voting after registering the password may obtain tokens that can participate in voting for free or at a fee according to the convention. The voting voter may then transmit the token and participate in the vote via the candidate public address assigned in the candidate registration process.

Hereinafter, a conference voting method of the block chain-based election network system will be described in turn. In essence, the role (function) of the conference voting method of the blockchain-based election network system of the embodiment is the same as that of the blockchain-based election network system, and therefore, the descriptions overlapping with those in fig. 1 to 5 will be omitted.

In step S100, the superordinate node 200, which is a superordinate conference host who wants to host a conference, composes a federation by requesting a conference generation from the platform manager node 100.

If a federation is formed in step S200, the superior node or subordinate node that is the sponsor of the conference will generate a private key and public key pair of candidates participating in the conference, and in step S300, the superior conference or subordinate sponsor of the conference will register a conference candidate. For example, if the manager node 100 evaluates the suitability of the guild through the guild generation message received by the manager node and approves the host according to the evaluation result in step S200, the superior guild host directly registers the password, and the manager node adds the password and the guild number to generate the private key and applies the elliptic curve digital signature algorithm to the private key to calculate the public key. When the upper node adds the lower node, as described above, the private key is generated by adding the upper private key and the serial number as the federation id number, and then the public key is generated.

In step S300, when the next-stage grand conference host node adds a candidate for joining a grand conference, in order to add a candidate for joining a grand conference, the key of the corresponding grand conference host, which is a non-public key, and the candidate number are added, the private key is calculated using the hash function, and the calculated private key is input to the elliptic curve digital signature algorithm, so that the candidate voting address, which is the public key of the candidate, is calculated as an output value, and the candidate can be registered. In the embodiment, the candidate registration step is a step performed by the grand conference host node, and although the step performed by the lower node is described in fig. 6, the candidate registration may be performed by an upper node as an upper grand conference host.

In an embodiment, a public key generated by applying an elliptic curve digital signature algorithm to a private key may be used as an address for transceiving transactions when the public key is disclosed to the outside.

When the authentication information is transmitted from the voter node 401 to the lower node 301 in step S400, the lower node 301 performs an authentication procedure such as real-name authentication of the user based on the received authentication information in step S500. When the authentication of the voter node is normally completed, the manager node 100 generates a private-public key pair as a voter key in step S600, and adds a network account number through step S700. Subsequently, in step S800, the manager node registers the voter node as a normal voter.

In an embodiment, if the voter node participating in the vote performs a Customer survey (KYC) step for confirming the identity of the user in step S600, the voter node issues a private key of each participant and a public key generated by applying an elliptic curve digital signature algorithm to the private key of each participant, and may perform the vote by generating a transaction encrypted with the private key issued to the public key address of the congress candidate.

In step S900, the voter node registered as the voter 'S participation in the vote generates a voting transaction by the candidate' S public key.

In step S1000, the verifier node 101 generates a query transaction, and in step S1010, the verifier node 101 confirms detailed information of a transaction generated from the voter account to the candidate account through the generated query transaction, thereby calculating a voting result. In step S1000, the verifier node may also verify whether the votes voted for have passed.

In an embodiment, if the verifier node 101 decodes the transaction encrypted by the public key of the voting participant to confirm whether the transaction is generated from the normal voter node whose identity has been confirmed in step S1010, the verifier node may encrypt the verified voting details again by the public key of the voting participant and record the encrypted voting details in the block.

Also, in an embodiment, the verifying node may encrypt the verified vote details again by the voting participant public key and record the same in the block, and may include generating, at the verifying node, a detail in which the vote details are encrypted by the candidate's public key and a detail in which the vote details are encrypted by the subordinate party's key, and recording the generated details in the blocks, respectively.

Then, in step S1010, the voting result is calculated by grasping the final status information of the candidate account, and when the result calculation transaction and the result inquiry transaction are generated from the account to which the administrator node has not been added, access to the voter node generating the transaction is prohibited or the abnormal transaction is invalidated.

When a voting transaction is generated from the voter node, the manager node confirms whether the voter node has the right to transmit a token and performs a flow of generating general ledger data for a vote having no problem. In an embodiment, the general ledger data is recorded data for increasing fairness and accuracy of voting results by recording detailed information of conferences such as conferences of sponsor and voting participants. In an embodiment, the general ledger data can be generated into 3 types, i.e., for the sponsor of the conference, for the confirmation of candidates, for the confirmation of voting participants.

Hereinafter, the general ledger data creation process for the event host, the candidate confirmation, and the voting participant confirmation will be described in further detail with reference to fig. 7.

General ledger data (a) generation flow of upper node or lower node as party host

As shown in part (a) of fig. 7, the grand conference host general ledger may be generated by recording the superior host federation id number, the inferior grand conference federation id number, and the encrypted voting details. The encrypted voting detail contained in the general ledger data can only be decoded by the lower grand conference key. The upper node, which is the upper grand conference host, can calculate the key of the lower grand conference, and therefore can decode all the voting details realized in the lower grand conference. That is, as shown in fig. 5, the first upper host node a can decode the vote details of all of the conferences a, B, C, and D. In contrast, the first subordinate sponsor B may decode only the particulars of congress B and congress D. Although the second subordinate host C can decode the detail of grand meeting C, it cannot decode the detail of grand meeting D. In the embodiment, because the alliance identification number is recorded in the general ledger data, when inquiring the general ledger through the identification number, the voting detail of the expected conference can be easily filtered and confirmed. In an embodiment, since the general ledger data is recorded in the blockchain, the detail recorded once cannot be forged or changed.

Candidate ledger data (b) generation flow

In an embodiment, the candidate ledger data may be generated, whereby the candidates participating in the conference can confirm the details of voting to oneself. In an embodiment, the candidate ledger data records the public address of the candidate and encrypted voting details. The encrypted voting detail recorded in the ledger data for the candidate can only be released by the key of the candidate. Different from other general ledger data, the general ledger records for the candidate are recorded in a server inside a system (platform), but not in a block chain, and after a meeting is completely finished, the whole detail is completely uploaded to the block chain at one time. After the meeting is over, the candidate can decode the details of the vote of the candidate by using the key of the candidate. Since the candidate public address is recorded in the candidate ledger data, the candidate can easily filter the voting details of the person.

Generation flow of general ledger data (c) for voting participants

In an embodiment, the voting participant ledger data may be generated whereby the voting participant can confirm the particulars of the principal's vote. The voting participant ledger data records a user serial number and encrypted voting detail. The encrypted voting detail can be decoded by the private key of the voter, and the private key can be matched in the platform as long as the password input by the system user is known, so that the voting detail can be confirmed by the matched private key.

Since the user serial number is recorded in the general ledger, the voting detail of the user can be easily filtered.

The above-described election network system and election method based on the blockchain have the effects that the reliability of electronic voting is improved by recording the voting details in the blockchain, and only the participators allowed by the representative node (manager node) can generate transactions in the network, thereby ensuring privacy and improving the security of the voting process and the result. In addition, because a plurality of parties are organized on a single platform, users who want to participate in voting can be gathered easily on the premise of the party sponsor of the parties, and thus the advertising and popularization of the parties are facilitated. In addition, when a winner of a local area congress enters a positive chosen congress or a winner of a domestic congress enters an international congress, a superior congress host needs to select and manage a subordinate congress host, and in the embodiment, a private key of a subordinate authority can be generated by combining a private key of a superior authority and a public key of a subordinate authority and performing encryption by using a hash function, so that a superior node serving as the congress host can manage a plurality of subordinate nodes.

The disclosure is merely exemplary, and various modifications may be made by those skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.

Industrial applicability

The election network system and the election method based on the block chain improve the reliability of electronic voting by recording voting details in the block chain, and only participants allowed by a representative node (manager node) can generate transactions in the network, so that the privacy can be guaranteed and the safety of the voting process and results can be improved.

Claims

1. An election method of an election network system based on a block chain is used for calculating an election voting result of the election network system based on the block chain, and is characterized by comprising the following steps:

step (A), the superior node of the superior party host who wants to host the party forms an alliance by requesting the generation of the party to a platform manager;

step (B), the superior node or the inferior node as the inferior party host generates the private key and public key pair of the candidate participating in the conference and registers the candidate;

step (C), the manager node is limited to the authenticated user to generate a private key and public key pair, and an account is added to the network to register the voter participating in the conference;

step (D), the voter node registered as the voter generates a voting transaction through the public key of the candidate; and

and (E) the verifier node generates a query transaction, confirms the detailed information of the transaction generated from the voter account to the candidate account through the generated query transaction and calculates the voting result.

2. An election method in an election network system based on block chains according to claim 1, wherein said step (a) includes:

step (A-1), evaluating the fitness of a conference through a conference generation message received by a manager node, issuing a private key to the superior node when the management is approved according to an evaluation result, and generating a public key according to the private key and an elliptic curve digital signature algorithm; and

and (A-2) after the superior node adds the private key and the serial number of the superior node, calculating the private key of the subordinate node by using a hash function and generating the public key of the subordinate node by using an elliptic curve digital signature algorithm.

3. An election method in an election network system based on block chains according to claim 1, wherein said step (B) includes:

when a candidate participating in a conference is added, the lower node adds the private key of the lower node and the serial number of the candidate, calculates the private key of the candidate by using a hash function, and generates a public key serving as the voting address of the candidate by using an elliptic curve digital signature algorithm.

4. The block chain based election network system election method according to claim 1,

the above step (C) includes the step (C-1) of the voter node taking part in the voting performing a customer survey step of confirming the user's identity and receiving a public key by applying an elliptic curve digital signature algorithm to a private key of each participant,

said step (D) comprises the step (D-1) of the voter node generating a transaction encrypted by said issued private key to the public key address of the congruence candidate to perform a vote.

5. The election method in an election network system based on blockchain according to claim 1, wherein said step (E) further includes:

step (E-1), the verifier node confirms whether the transaction is generated from the normal voter node with confirmed identity by decoding the transaction encrypted by the public key of the voting participant; and

and (E-2) the verifier node encrypts the verified voting details again through the public key of the voting participant and records the encrypted public key of the voting participant in a block.

6. An election method in a block chain based election network system according to claim 5, wherein in said step (E-2), said verifier node generates a detail of voting detail encrypted by public key of candidate and a detail encrypted by public key of subordinate party sponsor, respectively, and records the generated details in blocks, respectively.

7. An election method in a block chain based election network system according to claim 5, wherein said step (E-1) includes a step of verifying whether a number of votes voted for by said verifier node is exceeded.

8. An election method in an election network system based on a block chain according to claim 2 or 3, wherein when a public key generated by encrypting said private key by an elliptic curve digital signature algorithm is disclosed to the outside, it is used as an address for a transceiving transaction.

9. The election method in a block chain based election network system according to claim 1, wherein in said step (E), a voting result is calculated by grasping final state information of candidate accounts, and when a result calculation transaction and a result inquiry transaction are generated from an account to which a manager node is not added, access to said transaction is prohibited or voting based on said transaction is invalidated.

10. An election network system based on a block chain is characterized by comprising:

the superior node forms a union by requesting a large conference generation from a system manager;

the conference host node is used for generating a private key and public key pair of the candidate participating in the conference and registering the candidate of the conference;

the manager node is limited to the authenticated user to generate a private key and public key pair, and registers the voter participating in the conference by adding an account number to the network;

the voter node generates a voting transaction through the public key of the candidate; and

and the verifier node generates a query transaction, confirms the detailed information of the transaction generated from the voter account to the candidate account through the generated query transaction and calculates a voting result.

11. The blockchain-based election network system according to claim 10, wherein the suitability of the grand conference is evaluated by a grand conference generation message received by the manager node, and when the hosting is approved according to the evaluation result, a private key is issued to the upper node, and a public key is generated according to the private key and an elliptic curve digital signature algorithm, and after the private key and the serial number of the upper node are added, the upper node calculates a private key of the lower node by using a hash function, and generates a public key of the lower node by an elliptic curve digital signature algorithm.

12. The blockchain-based election network system according to claim 10, wherein when the candidate participating in the conference is added, the lower node calculates a private key of the candidate using a hash function after adding the private key of the lower node and the candidate number, and generates a public key as a voting address of the candidate by an elliptic curve digital signature algorithm.

13. The blockchain-based election network system according to claim 10, wherein the voter node performs a customer survey step of confirming an identity of a user and receives a private key of each participant and a public key generated by applying an elliptic curve digital signature algorithm to the private key from a manager node, and the voter node generates a transaction encrypted by the private key issued to a public key address of a congruence candidate to perform voting.

14. The blockchain-based election network system according to claim 10, wherein the verifier node confirms whether the transaction is generated from a normal voter node whose identity is confirmed by decoding the transaction encrypted with the public key of the voting participant, encrypts the verified voting particulars again through the public key of the voting participant, and records the encrypted public key of the voting participant in a block.

15. The blockchain-based election network system according to claim 14, wherein the verifier node generates a list of the vote details encrypted by a public key of the candidate and a list of the vote details encrypted by a public key of the subordinate sponsor, and records the generated lists in blocks, respectively.

16. The system of claim 1, wherein the voting result is calculated by grasping the final status information of the candidate account, and when the result calculation transaction and the result inquiry transaction are generated from the account to which the administrator node is not added, access to the transaction is prohibited or the voting based on the transaction is invalidated.