CN113268712A - Public culture resource right confirming system and method based on block chain - Google Patents
Public culture resource right confirming system and method based on block chain Download PDFInfo
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- G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
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Abstract
A public culture resource right confirming system and method based on a block chain relate to the technical field of the block chain, solve the problems of low right confirming efficiency and insufficient right maintaining evidence of the current public culture resource, greatly simplify the flow of copyright transaction, improve the safety of the copyright transaction and reduce copyright disputes. The key points of the technical scheme are that the resource content hash of the public cultural resource is calculated, the block chain is uploaded through an intelligent contract, and the problem of copyright verification failure caused by the modification of the resource content is effectively solved by verifying the resource content hash value by depending on the non-tamper property of the block chain and the uniqueness of the asymmetric encryption technology. The public culture resource right confirmation is realized by adopting expert voting based on an intelligent contract, after the voting is passed, the resource content hash is signed by adopting a private key to generate a copyright DNA uploading block chain, meanwhile, the user identity information and the public and private key pair are uniquely bound, and the copyright verification of the public culture resource can be realized by verifying the copyright DNA, so that the copyright verification of the public culture resource is more convenient and efficient, and the requirements of the copyright protection and the copyright transaction of the public culture resource are effectively met.
Description
Technical Field
The invention belongs to the technical field of block chains, and particularly relates to a public culture resource right confirming system and method based on a block chain.
Background
With the development of the times and the continuous improvement of the living standard of the materials, the demand of people on cultural products and cultural services is rapidly increased, which puts higher requirements on the public cultural services. At present, the construction of Chinese public culture service system facilities has achieved great achievement, and a public culture service network covering the urban and rural areas is formed preliminarily. However, compared with the progress and level of economic and social development of the Chinese public culture service system, compared with the increasing mental and cultural demands of urban and rural people, the construction of the public culture service system is relatively lagged, and a plurality of outstanding contradictions and problems which restrict the scientific development of the public culture service system exist.
The most critical problem lies in that with the rapid development of the internet, various culture resources are spread and inundated, the quantity is increased explosively, the traditional copyright management control mechanism which only depends on a third-party mechanism is complicated in flow, high in cost, low in efficiency, insufficient in right-maintaining evidence, and the requirements of the culture resource copyright protection and copyright transaction cannot be met.
The blockchain is a novel application mode of computer technologies such as distributed data storage, point-to-point transmission, a consensus mechanism and an encryption algorithm, and has the characteristics of decentralization, no tampering, trace remaining in the whole process, traceability, collective maintenance, openness and transparency and the like. The characteristics of the block chain enable the culture resource right determination to be possible in the block chain, the culture resource right determination also has an anti-counterfeiting traceability function due to the collective storage and the non-tampering characteristic of the block chain technology, and the right determination through the block chain has legal evidence significance due to the fact that data cannot be tampered and the technologies such as time stamps and digital signatures are added. The method and the system realize the right confirmation of the culture resources based on the block chain, can effectively solve the problems of low efficiency and high difficulty in the right confirmation of the traditional culture resources by a third-party organization, and are favorable for promoting the creation and the propagation of the culture resources, thereby improving the quality of public culture services. Therefore, the invention provides a public culture resource right confirming method and system based on a block chain.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a public culture resource right confirming system and method based on a block chain, which realize safe and traceable resource right confirming, copyright protection and copyright transaction on culture resources based on the block chain technology.
In order to achieve the purpose, the invention adopts the technical scheme that:
a public culture resource right confirming system based on a block chain comprises a user registration/login module, a resource uploading module, an auditing right confirming module, a value evaluation module, a copyright transaction module, a resource inquiry module, an infringement feedback module, an intelligent contract module, a multi-node block chain and a distributed database; the user registration/login module is sequentially connected with the resource uploading module and the verification and authority confirming module; the auditing and right confirming module is respectively connected with the value evaluation module, the copyright transaction module, the resource inquiry module and the infringement feedback module; the multi-node block chain and the distributed database are connected with the intelligent contract module; the intelligent contract module is sequentially connected with the resource uploading module, the auditing and right confirming module value evaluation module, the copyright transaction module, the resource inquiry module and the infringement feedback module;
the user login/registration module is used for providing user registration and user login functions for a user;
the resource uploading module is used for providing a culture resource file uploading function for a user;
the auditing and right confirming module is used for confirming right of the resource, when a user uploading the resource initiates a resource right confirming application through the system, an expert audits the resource and then votes the resource through a voting contract, when the number of the votes reaches a right confirming threshold value, the voting contract automatically confirms right of the resource, and simultaneously the system generates copyright DNA for the right confirmed resource and uploads a block chain and synchronizes to all nodes, and the value evaluating module is used for evaluating the value of the right confirmed resource;
the copyright transaction module is used for performing copyright transaction on the authorized resources, the system verifies the resource ownership through a transaction contract to confirm that the transaction is legal, the transaction contract automatically modifies the resource copyright ownership after the confirmation is successful, and meanwhile, the transaction record is uploaded to a block chain and is synchronized to all nodes;
the resource inquiry module is used for checking and downloading resource content and a right confirmation state, and if the resource is confirmed to be right, the copyright certificate of the resource can be checked and downloaded;
the infringement feedback module is used for receiving and storing infringement feedback information and infringement evidence files of users and submitting arbitration application to a judicial authority with legal effectiveness;
the multi-node block chain comprises a user node, an audit node and a judicial node; the intelligent contract module comprises an uploading contract, a voting contract, a valuation contract, a trading contract, a query contract and a feedback contract; the distributed database is used for storing user information, culture resource files and copyright information;
the intelligent contract module comprises an uploading contract, a voting contract, a valuation contract, a trading contract, a query contract and a feedback contract and is used for providing intelligent contracts with corresponding functions for each module;
the system comprises a resource determining module, a value evaluating module, a block chain and a synchronization module, wherein the resource determining module is used for determining the value of the authorized resource, the expert evaluates the value of the resource and submits the evaluation result to the system, and the system uploads the value evaluation result of the resource and related information to the block chain through a valuation contract and synchronizes the value evaluation result and the related information to all nodes;
the distributed database is used for storing user information, culture resource files and copyright information.
The user registration is that a public key, a private key and a user account are generated for a user through an elliptic curve encryption algorithm, user identity information and a public and private key pair are uniquely bound, and the public and private key pair and the user account are uniquely bound; the user login means that a user performs user identity authentication by submitting an account and a password; the user registration information comprises a user name, a user password and an identity card number; the public key is used for verifying the private key; the private key is kept secret and is used for signing and identifying ownership of the user; the user account is obtained by performing hash operation on the public key by adopting a hash algorithm.
The resource uploading refers to uploading cultural resource files by a user, the system stores the resource files uploaded by the user to a distributed database, simultaneously, SHA-256 algorithm is adopted to generate resource content hash value for the resource files, block chains are uploaded by a contract and are synchronized to all nodes, and the resource hash value refers to 32-byte hash value generated by performing hash operation on the resource content by SHA-256 algorithm.
The copyright DNA refers to a unique resource copyright digital signature corresponding to the user, which is generated by adopting a digital signature algorithm to sign the resource content hash value by using a user private key.
The copyright certificate is a digital copyright certificate with legal effectiveness, and the certificate content comprises a resource name, a resource description, a resource content hash and copyright DNA.
A public culture resource right confirming method based on a block chain comprises the following steps:
step 1, user registration/login: the method comprises the steps that user registration information is submitted during user registration, a public key, a private key and a user account are generated for a user by adopting an elliptic curve encryption algorithm after system authentication is successful, user identity information and a public and private key pair are uniquely bound, the public and private key pair and the user account are uniquely bound, and user login is authenticated through the user account and a user password;
step 2, uploading resources: after the user is registered and successfully logs in, the cultural resource file can be uploaded to a distributed database through a resource uploading module, resource content Hash is calculated by using an SHA-256 algorithm, and the resource file and related information such as resource description, resource Hash, timestamp and other uploading block chains are synchronized to all nodes through an uploading contract;
and step 3, auditing and confirming authority: after uploading resources through the resource uploading module, a user submits a resource right-confirming application to the system, the right-confirming auditing module distributes a plurality of experts with auditing qualifications for resources to audit, the experts vote the resources through a voting contract after auditing the resources, the right-confirming contract feeds a voting result back to the user when the number of votes reaches a threshold value, if the right-confirming is successful, the right-confirming state of the resources is automatically updated to be the confirmed right by the voting contract, and meanwhile, the system generates a copyright DNA uploading block chain for the resources and synchronizes the copyright DNA uploading block chain to all nodes; if the right confirmation fails, the user is doubtful about the verification result, and the user can apply for a law-walking program;
step 4, resource query: the user can inquire the resource related information and the right confirming state of the user uploading resource and download the resource file in the system, and for the resource with the right confirming success, the user can check and download the copyright certificate of the resource;
step 5, infringement feedback: the user can submit the infringement evidence to the infringement feedback module, the system adopts the distributed database and the intelligent contract to store the infringement evidence information, and provides an arbitration application to the judicial authority with legal effectiveness, and provides evidence support for arbitration.
Further, in step 3, after the user receives the feedback information of the failed right confirmation, if the user is suspicious of the audit result, a law walking procedure can be applied, and the system can provide evidence support for legal decision, wherein the evidence includes resource files, resource hashes, expert audit results, voting records and the like.
Further, the resource-related information in step 4 includes a resource name, a resource description, a resource content hash, and an upload timestamp; the copyright certificate is a digital copyright certificate with legal effectiveness, and the certificate content comprises a resource name, a resource description, a resource content hash and copyright DNA.
The invention has the beneficial effects that:
compared with the prior art, the method and the system can better realize the copyright protection of the cultural resources, audit the resource files submitted by the user through the audit right confirming module, automatically confirm the right of the resources by the intelligent contract after the audit is passed, synchronize the right confirming information to a plurality of block chain nodes, ensure the integrity of the resource content and the anti-counterfeiting traceability of the copyright information through the distributed database and the plurality of block chain nodes, and have the advantages of transparency and no tampering of the data on the chain. The copyright transaction is automatically processed through the intelligent contract, and the transaction information is synchronized to all nodes, so that the flow of the copyright transaction is greatly simplified, the safety of the copyright transaction is improved, and the copyright dispute is reduced. The copyright verification of the resource depends on the non-tamper property of the block chain and the uniqueness of the asymmetric encryption technology, and the copyright verification is carried out by verifying the resource content and the hash value of the resource, so that the problem of copyright verification failure caused by the modification of the resource content is avoided.
Drawings
Fig. 1 is a schematic diagram of a logic structure of a block chain-based public cultural resource right-determining system according to the present invention.
Fig. 2 is a scene applicable diagram of a public culture resource right-determining system based on a block chain according to the present invention.
Fig. 3 is a flowchart of a method for determining the right of a public cultural resource based on a block chain according to the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1, a block chain-based public culture resource right confirming system includes a user registration/login module, a resource uploading module, an audit right confirming module, a value evaluation module, a copyright transaction module, a resource query module, an infringement feedback module, an intelligent contract module, a multi-node block chain, and a distributed database.
The multi-node block chain comprises user nodes, auditing nodes and judicial nodes and is used for operating related intelligent contracts and storing hash of resource files and related copyright information, and data on the chain is stored by all nodes together. The intelligent contracts include upload contracts, voting contracts, valuation contracts, trading contracts, query contracts, and feedback contracts.
The distributed database is used for storing user information, culture resource files and resource related copyright information, and all the resource information and the user information are synchronously stored by using the distributed database.
The user registration/login module is used for providing user registration and user login functions for the user. The user registration refers to that when a new user registers, user registration information is submitted first, the system verifies and authenticates the registration information submitted by the new user, a public key and a private key are generated for the user by adopting an elliptic curve encryption algorithm after the authentication is successful, a user account is generated by the public key, and the user account, a password and a public and private key pair are uniquely bound; the user login means that the user performs login verification by submitting a user account and a user password.
The user registration information comprises a user name, a user password and an identity card number, the elliptic curve encryption algorithm refers to an ECDSA-secp256k1 algorithm, the private key is a 256-bit random number, the public key is 512 bits generated by computing the private key through the ECDSA-secp256k1 algorithm, and the user account is the last 40 letters of a 16-system character string generated by the public key through the Keccak256 algorithm.
The resource uploading module is used for uploading cultural resource files by a user, the system stores the resource files submitted by the user to the distributed database, generates resource content hash values for the resource files, and uploads information such as resource names, resource descriptions, resource content hashes and timestamps to the block chain and synchronizes to all nodes through uploading contracts. The resource content hash value is a 32-byte hash value generated by performing hash operation on resource content by using an SHA-256 algorithm.
The auditing and right confirming module is used for confirming right of the resource, when a user uploading the resource initiates a resource right confirming application through the system, the auditing and right confirming module distributes the resource to a plurality of experts with auditing qualifications through the auditing node for auditing, after the auditing of the experts is completed, the experts vote is carried out through a voting contract, when the number of the votes reaches a voting threshold value, the contract automatically modifies the right confirming state of the resource and feeds back the auditing result to the user.
If the verification result is successful, the voting dating automatically updates the right-confirming state of the resource to be the confirmed right, and simultaneously, the system generates a copyright DNA uploading block chain for the resource and synchronizes to all the nodes. The copyright DNA refers to a resource copyright digital signature which is generated by signing a resource content hash value with a user private key by using an ECDSA digital signature algorithm and uniquely corresponds to a user, and the resource content hash value refers to a 32-byte hash value generated by performing hash operation on resource content by using an SHA-256 algorithm. If the verification result is failure, the user is doubtful about the verification result, the user can apply for a law-walking program, and the system provides evidence support for legal judgment.
The resource inquiry module can inquire the uplink resources, the user can inquire the resource related information and the right confirming state uploaded by the user and download the resource file in the system, and the user can check and download the copyright certificate of the resource for the resource with the right confirming success; the resource related information comprises a resource name, a resource description, a resource content hash and an uploading timestamp; the content of the copyright certificate comprises a resource name, a resource description, resource content hash and copyright DNA.
The value evaluation module can evaluate the value of the authorized resource, when a user with the resource copyright applies for value evaluation, the expert reasonably evaluates the value of the resource and submits the value to the system, and the value evaluation result of the resource is uploaded to the block chain through the evaluation contract and synchronized to all nodes.
The copyright transaction module can perform copyright transaction on the authorized resources, the system verifies the resource ownership through the transaction contract to confirm that the transaction is legal, the transaction contract automatically modifies the copyright ownership of the resources after the confirmation is successful, and meanwhile, the transaction records of the resources are uploaded to the block chain and are synchronized to all nodes.
The infringement feedback module is used for receiving infringement feedback information of the user, the system uses the distributed database and the feedback contract to store infringement evidence submitted by the user, and provides arbitration application for judicial authorities with legal effectiveness and evidence support for arbitration.
As shown in fig. 2 and 3, a method for determining the right of a public cultural resource based on a block chain includes the following steps:
step 1, user registration/login: the method comprises the steps that user registration information is submitted during user registration, a public key, a private key and a user account are generated for a user by adopting an elliptic curve encryption algorithm after system authentication is successful, user identity information and a public and private key pair are uniquely bound, the public and private key pair and the user account are uniquely bound, and user login is authenticated through the user account and a user password;
step 2, uploading resources: after the user is registered and successfully logs in, the cultural resource file can be uploaded to a distributed database through a resource uploading module, resource content Hash is calculated by using an SHA-256 algorithm, and the resource file and related information such as resource description, resource Hash, timestamp and other uploading block chains are synchronized to all nodes through an uploading contract;
and step 3, auditing and confirming authority: after uploading resources through the resource uploading module, a user submits a resource right-confirming application to the system, the right-confirming auditing module distributes a plurality of experts with auditing qualifications for resources to audit, the experts vote the resources through a voting contract after auditing the resources, the right-confirming contract feeds a voting result back to the user when the number of votes reaches a threshold value, if the right-confirming is successful, the right-confirming state of the resources is automatically updated to be the confirmed right by the voting contract, and meanwhile, the system generates a copyright DNA uploading block chain for the resources and synchronizes the copyright DNA uploading block chain to all nodes; if the right confirmation fails, the user is doubtful about the verification result, and the user can apply for a law-walking program;
step 4, resource query: the user can inquire the resource related information and the right confirming state of the user uploading resource and download the resource file in the system, and for the resource with the right confirming success, the user can check and download the copyright certificate of the resource;
step 5, infringement feedback: the user can submit the infringement evidence to the infringement feedback module, the system adopts the distributed database and the intelligent contract to store the infringement evidence information, and provides an arbitration application to the judicial authority with legal effectiveness, and provides evidence support for arbitration.
The user registration information in the step 1 comprises a user name, a user password and an identity card number, and the elliptic curve encryption algorithm ECDSA-secp256k1 algorithm; the private key is a 256-bit random number, and the public key is 512 bits generated by the private key through ECDSA-secp256k1 algorithm; the public key is used for verifying the private key, and the private key is used for signing and identifying the ownership of the user; the user account is the last 40 letters of a 16-system character string generated by a public key by adopting a Keccak256 algorithm.
The resource content hash value in the step 2 is a 32-byte hash value generated by performing hash operation on the resource content by using an SHA-256 algorithm.
The copyright DNA in the step 3 refers to a resource copyright digital signature which is generated by adopting an ECDSA digital signature algorithm to sign the resource content hash value by a user private key and is only corresponding to the user. After the user receives the feedback information of the failed right confirmation, if the user doubts the checking result, the system can apply for a law-walking program, and the system can provide evidence support for legal judgment. The evidence comprises resource files, resource hash, expert audit results, voting records and the like.
The resource related information in the step 4 comprises a resource name, a resource description, a resource content hash and an uploading timestamp; the copyright certificate is a digital copyright certificate with legal effectiveness, and the certificate content comprises a resource name, a resource description, a resource content hash and copyright DNA.
Claims (8)
1. A public culture resource right confirming system based on a block chain comprises a user registration/login module, a resource uploading module, a verification right confirming module, a value evaluation module, a copyright transaction module, a resource inquiry module, an infringement feedback module, an intelligent contract module, a multi-node block chain and a distributed database, and is characterized in that the user registration/login module is sequentially connected with the resource uploading module and the verification right confirming module; the auditing and right confirming module is respectively connected with the value evaluation module, the copyright transaction module, the resource inquiry module and the infringement feedback module; the multi-node block chain and the distributed database are connected with the intelligent contract module; the intelligent contract module is sequentially connected with the resource uploading module, the auditing and right confirming module value evaluation module, the copyright transaction module, the resource inquiry module and the infringement feedback module;
the user login/registration module is used for providing user registration and user login functions for a user;
the resource uploading module is used for providing a culture resource file uploading function for a user;
the auditing and right confirming module is used for confirming right of the resource, when a user uploading the resource initiates a resource right confirming application through the system, an expert audits the resource and then votes the resource through a voting contract, when the number of the votes reaches a right confirming threshold value, the voting contract automatically confirms right of the resource, and simultaneously the system generates copyright DNA for the right confirmed resource and uploads a block chain and synchronizes to all nodes, and the value evaluating module is used for evaluating the value of the right confirmed resource;
the copyright transaction module is used for performing copyright transaction on the authorized resources, the system verifies the resource ownership through a transaction contract to confirm that the transaction is legal, the transaction contract automatically modifies the resource copyright ownership after the confirmation is successful, and meanwhile, the transaction record is uploaded to a block chain and is synchronized to all nodes;
the resource inquiry module is used for checking and downloading resource content and a right confirmation state, and if the resource is confirmed to be right, the copyright certificate of the resource can be checked and downloaded;
the infringement feedback module is used for receiving and storing infringement feedback information and infringement evidence files of users and submitting arbitration application to a judicial authority with legal effectiveness;
the multi-node block chain comprises a user node, an audit node and a judicial node; the intelligent contract module comprises an uploading contract, a voting contract, a valuation contract, a trading contract, a query contract and a feedback contract; the distributed database is used for storing user information, culture resource files and copyright information;
the intelligent contract module comprises an uploading contract, a voting contract, a valuation contract, a trading contract, a query contract and a feedback contract and is used for providing intelligent contracts with corresponding functions for each module;
the system comprises a resource determining module, a value evaluating module, a block chain and a synchronization module, wherein the resource determining module is used for determining the value of the authorized resource, the expert evaluates the value of the resource and submits the evaluation result to the system, and the system uploads the value evaluation result of the resource and related information to the block chain through a valuation contract and synchronizes the value evaluation result and the related information to all nodes;
the distributed database is used for storing user information, culture resource files and copyright information.
2. The system of claim 1, wherein the user registration is to generate a public key, a private key and a user account for a user by an elliptic curve cryptography algorithm, the user identity information and the public and private key pair are uniquely bound, and the public and private key pair and the user account are uniquely bound; the user login means that a user performs user identity authentication by submitting an account and a password; the user registration information comprises a user name, a user password and an identity card number; the public key is used for verifying the private key; the private key is kept secret and is used for signing and identifying ownership of the user; the user account is obtained by performing hash operation on the public key by adopting a hash algorithm.
3. The system for determining the right of a block chain-based public cultural resource as claimed in claim 1, wherein the resource uploading means uploading a cultural resource file by a user, the system stores the resource file uploaded by the user in a distributed database, and simultaneously generates a hash value of resource content for the resource file by using an SHA-256 algorithm, uploads the block chain by a contract and synchronizes to all nodes, and the hash value of the resource is a 32-byte hash value generated by performing a hash operation on the resource content by using the SHA-256 algorithm.
4. The system for determining the rights of the public cultural resources based on the block chain as claimed in claim 1, wherein the copyright DNA is a resource copyright digital signature of a unique corresponding user generated by signing a resource content hash value with a user private key by using a digital signature algorithm.
5. The system of claim 1, wherein the copyright certificate is a legally-validated digital copyright certificate, and the certificate content includes a resource name, a resource description, a resource content hash, and copyright DNA.
6. A public culture resource right confirming method based on a block chain is characterized by comprising the following steps:
step 1, user registration/login: the method comprises the steps that user registration information is submitted during user registration, a public key, a private key and a user account are generated for a user by adopting an elliptic curve encryption algorithm after system authentication is successful, user identity information and a public and private key pair are uniquely bound, the public and private key pair and the user account are uniquely bound, and user login is authenticated through the user account and a user password;
step 2, uploading resources: after the user is registered and successfully logs in, the cultural resource file can be uploaded to a distributed database through a resource uploading module, resource content Hash is calculated by using an SHA-256 algorithm, and the resource file and related information such as resource description, resource Hash, timestamp and other uploading block chains are synchronized to all nodes through an uploading contract;
and step 3, auditing and confirming authority: after uploading resources through the resource uploading module, a user submits a resource right-confirming application to the system, the right-confirming auditing module distributes a plurality of experts with auditing qualifications for resources to audit, the experts vote the resources through a voting contract after auditing the resources, the right-confirming contract feeds a voting result back to the user when the number of votes reaches a threshold value, if the right-confirming is successful, the right-confirming state of the resources is automatically updated to be the confirmed right by the voting contract, and meanwhile, the system generates a copyright DNA uploading block chain for the resources and synchronizes the copyright DNA uploading block chain to all nodes; if the right confirmation fails, the user is doubtful about the verification result, and the user can apply for a law-walking program;
step 4, resource query: the user can inquire the resource related information and the right confirming state of the user uploading resource and download the resource file in the system, and for the resource with the right confirming success, the user can check and download the copyright certificate of the resource;
step 5, infringement feedback: the user can submit the infringement evidence to the infringement feedback module, the system adopts the distributed database and the intelligent contract to store the infringement evidence information, and provides an arbitration application to the judicial authority with legal effectiveness, and provides evidence support for arbitration.
7. The method for determining the rights of the public cultural resources based on the block chain as claimed in claim 6, wherein in step 3, after the user receives the feedback information of the failed rights determination, if the user is doubtful about the result of the audit, the user can apply for a legal program, and the system provides evidence support for legal decision, wherein the evidence includes resource files, resource hashes, expert audit results, voting records, and the like.
8. The method for determining the right of a block chain-based public cultural resource as claimed in claim 6, wherein the resource-related information in step 4 includes a resource name, a resource description, a resource content hash and an upload time stamp; the copyright certificate is a digital copyright certificate with legal effectiveness, and the certificate content comprises a resource name, a resource description, a resource content hash and copyright DNA.
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