CN112163243A - Block chain-based digital asset examination and storage method, and block chain-based digital asset examination and storage device, and block chain-based digital asset authorization method and device - Google Patents
Block chain-based digital asset examination and storage method, and block chain-based digital asset examination and storage device, and block chain-based digital asset authorization method and device Download PDFInfo
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- CN112163243A CN112163243A CN202011072567.1A CN202011072567A CN112163243A CN 112163243 A CN112163243 A CN 112163243A CN 202011072567 A CN202011072567 A CN 202011072567A CN 112163243 A CN112163243 A CN 112163243A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/64—Protecting data integrity, e.g. using checksums, certificates or signatures
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/22—Indexing; Data structures therefor; Storage structures
- G06F16/2228—Indexing structures
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/27—Replication, distribution or synchronisation of data between databases or within a distributed database system; Distributed database system architectures therefor
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q40/00—Finance; Insurance; Tax strategies; Processing of corporate or income taxes
- G06Q40/04—Trading; Exchange, e.g. stocks, commodities, derivatives or currency exchange
Abstract
The invention discloses a block chain-based digital asset examination and verification method, an authority confirming method and a device, comprising the following steps: SS1, obtaining digital asset feature abstract through feature calculation, comparing the digital asset feature abstract with certified feature abstract, and examining validity and originality of digital asset; the SS2 is used for determining and storing the right and the certificate of the digital assets, and storing the digital assets, the digital asset description information and the like into a data center; the method comprises the steps of performing signature protection on effective information such as digital assets without limitation to right confirming content, storing the effective information into a block chain, and the like; the invention can protect the copyright of the digital assets, can effectively prove after infringement occurs, ensures that the digital assets are not controlled by a single party and operated maliciously, protects the benefits of originators and obligees, realizes the originality of the copyright of the digital assets, ensures the safety of the digital assets and the like.
Description
Technical Field
The invention relates to the field of block chains, in particular to a digital asset examination and verification method, an authorization confirming method and an authorization confirming device based on a block chain.
Background
China has huge digital asset users, but the payment willingness of the users is not very high. In 2018, the digital music pay users in China have about 3877 thousands of people, but the pay penetration rate is only 5.3%, while the pay rate of the U.S. digital music users is ten times that of China. In order to solve the copyright problem, the original person usually searches for a third party partner and protects the original right of the original person all the time. However, due to technical limitations, copyright registration of digital works often requires preparation of materials, is tedious in process, long in time and high in energy consumption, and cannot meet the requirements of large amount of works and fast spread in the current market. And the originators are still lack of effectiveness in copyright enforcement, copyright maintenance cooperation, and payment awareness.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a digital asset examination and storage method, a right confirmation method and a device based on a block chain, which can protect the copyright of a digital asset, can effectively prove after infringement occurs, ensure that the digital asset is not controlled and maliciously operated by a single party, protect the benefits of originators and righters, and realize the originality of the copyright of the digital asset and ensure the safety of the digital asset.
The purpose of the invention is realized by the following scheme:
a digital asset examination and evidence-saving method based on a block chain comprises the following steps:
SS1, obtaining digital asset feature abstract through feature calculation, comparing the digital asset feature abstract with the certified feature abstract, and determining originality of the digital asset;
the SS2 is used for storing the digital assets, the digital asset description information and the digital asset feature abstract into a data center; and meanwhile, the effective information of the digital assets is signed and stored in the block chain.
Further, in step SS 1: and checking the validity of the uploaded digital assets to obtain the checking result of the validity of the digital assets.
Further, in step SS 1: and judging whether to store the digital assets based on the original examination result and the validity examination result of the digital assets.
Further, the certified characteristic abstract comprises a local characteristic abstract data center, and the local characteristic abstract data center comprises a certified uploaded work characteristic abstract and a non-certified copyrighted work characteristic abstract.
Further, the local feature summary data center is only used for storing the feature summary of the copyrighted work.
Further, in step SS 2: the valid information of the digital assets includes but is not limited to the authorized content, and the copyright certification content and the related information of the copyright owner.
Further, in step SS 2: the data center storage operation and the effective information evidence storage operation are mutually verified, and the two operations are executed simultaneously or not executed simultaneously, so that the consistency of the data stored in the block chain and the data stored in the data center is guaranteed.
Further, step SS2 is included: and making a copyright certificate number for the digital assets which are successfully certified as an index ID of the uplink copyright content.
A digital asset right confirming method based on a block chain comprises the following steps:
step 1, digital asset authorized persons determine the right cooperation distribution proportion according to the agreed conditions, and multi-party ownership confirmation content and ownership transfer voucher related content of the digital assets are recorded;
step 2, according to the content of the right confirmation and the certificate of the time node, a multi-party signature certificate of the content of the right confirmation is made, and the certificate is stored in a block chain;
step 3, providing a right content certificate of block chain chaining for digital asset infringement complaints, and comparing the block chain chaining content with a right certificate content recorded in a collaborative data center to serve as a confirmation basis of copyright related information;
including but not limited to copyright rights.
An apparatus for acquiring, processing and storing digital assets, comprising:
the digital asset acquisition module is used for acquiring digital asset contents, personal information of digital asset content authorized persons and right confirming information contents, and integrating and associating data;
the digital asset processing module is used for checking the validity of the digital asset and the description information thereof, storing the digital asset transaction behavior information in a block chain, and issuing a digital signature which can prove the uniqueness of the asset transaction behavior to the successful storage result;
and the digital asset storage module is used for storing the digital asset content and the digital asset transaction behavior information in a data center and a block chain.
The invention has the beneficial effects that:
the invention can protect the copyright of the digital assets, can effectively prove after infringement, ensures that the digital assets are not controlled by a single party and operated maliciously, protects the benefits of originators and digital asset owners, realizes the originality of the copyright of the digital assets, ensures the safety of the digital assets and the like, and particularly comprises the following steps:
(1) in the embodiment of the invention, the right-confirming content is authenticated by the digital signature through the multi-party right confirmation of the digital assets, so that the integrity and the reliability of the right-confirming content are ensured, and the fraud behavior of one party is avoided to a greater extent.
(2) In the embodiment of the invention, the copyright storage block chain plays a role in protecting the copyright of the digital assets;
(3) in the embodiment of the invention, each link of copyright storage can be actively circulated, effective evidence can be raised after infringement occurs, and copyright information of infringed digital assets is positioned through the storage ID, so that the copyright benefits of originators are protected.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a first flowchart of a digital asset content review and verification provided by an embodiment of the present invention;
FIG. 2 is a second flowchart of the digital asset content review and verification provided by embodiments of the present invention;
FIG. 3 is a flow chart of multi-party rights confirmation and evidence storage for a digital asset according to an embodiment of the present invention;
fig. 4 is a flowchart of digital asset copyright retrieval and authentication provided by an embodiment of the present invention.
Detailed Description
All of the features disclosed in the specification for all of the embodiments (including any accompanying claims, abstract and drawings), or all of the steps of a method or process so disclosed, may be combined and/or expanded, or substituted, in any way, except for mutually exclusive features and/or steps.
As shown in fig. 1, a block chain based digital asset examination and certification method includes the steps of:
SS1, obtaining digital asset feature abstract through feature calculation, comparing the digital asset feature abstract with the certified feature abstract, and determining originality of the digital asset;
the SS2 is used for storing the digital assets, the digital asset description information and the digital asset feature abstract into a data center; and meanwhile, the effective information of the digital assets is signed and stored in the block chain.
Further, in step SS 1: and checking the validity of the uploaded digital assets to obtain the checking result of the validity of the digital assets.
Further, in step SS 1: and judging whether to store the digital assets based on the original examination result and the validity examination result of the digital assets.
Further, the certified characteristic abstract comprises a local characteristic abstract data center, and the local characteristic abstract data center comprises a certified uploaded work characteristic abstract and a non-certified copyrighted work characteristic abstract. The characteristics include, but are not limited to, hash characteristics and the like, which prove the unique abstract content of the digital assets.
Further, the local feature summary data center is only used for storing the feature summary of the copyrighted work.
Further, in step SS 2: the valid information of the digital assets includes but is not limited to the authorized content, and the copyright certification content and the related information of the copyright owner.
Further, in step SS 2: the data center storage operation and the effective information evidence storage operation are mutually verified, and the two operations are executed simultaneously or not executed simultaneously, so that the consistency of the data stored in the block chain and the data stored in the data center is guaranteed.
Further, step SS2 is included: and making a copyright certificate number for the digital assets which are successfully certified as an index ID of the uplink copyright content.
A digital asset right confirming method based on a block chain comprises the following steps:
step 1, digital asset authorized persons determine the digital asset cooperative distribution proportion according to the agreed conditions, and multi-party ownership confirmation content and ownership transfer voucher related content of the digital assets are recorded;
step 2, according to the content of the right confirmation and the certificate of the time node, a multi-party signature certificate of the content of the right confirmation is made, and the certificate is stored in a block chain;
step 3, providing digital asset content certification of block chain chaining for digital asset infringement complaints, and comparing the block chain chaining content with digital asset certificate content recorded in the collaborative data center to serve as a basis for identifying copyright related information;
including but not limited to copyright.
An apparatus for acquiring, processing and storing digital assets, comprising:
the digital asset acquisition module is used for acquiring digital asset contents, personal information of digital asset content authorized persons and right confirming information contents, and integrating and associating data;
the digital asset processing module is used for checking the validity of the digital asset and the description information thereof, storing the digital asset transaction behavior information in a block chain, and issuing a digital signature which can prove the uniqueness of the asset transaction behavior to the successful storage result;
and the digital asset storage module is used for storing the digital asset content and the digital asset transaction behavior information in a data center and a block chain.
Aiming at the defects of the prior copyright proving technology, the embodiment of the invention provides a digital asset proving and confirming system scheme based on a block chain,
the block chain based review and evidence storage method and device adopt an equipment system of the device and the like, copyright information can be stored and proved on the block chain by utilizing the non-tampering and traceable safety and reliability of the block chain, the block chain can be used as a distributed data center for registering ownership of intellectual property rights and providing a non-tampering tracking record, and an original person does not need to seek trust and help of a third-party copyright protection party.
Alternatively, one skilled in the art may implement any one of a digital asset validity and originality review scheme, a blockchain-based digital asset right confirmation and verification scheme and a blockchain-based digital asset right forensics scheme,
the original examination scheme can provide a copyright work positioning device based on comparison, for example, in the copyright examination process, the abstract of the searched digital content is extracted, the copyright content which possibly has infringement problem is positioned from the local feature abstract data center, the copyright of the digital assets can be autonomously monitored, and the copyright related record content of the evidence can be conveniently retrieved.
In the digital asset right-confirming and storing scheme of the embodiment of the invention, a copyright protection device based on a digital signature technology can be provided, for example, digital signatures are jointly completed among copyright owners, and the copyright right-confirming and storing scheme can be used for proving the legality of copyright.
The invention is applied to the digital asset copyright forensics scheme, and can also provide a digital asset copyright forensics device based on the block chain, for example, a user or a system initiates a copyright forensics request, the system locates the uplink content of the digital asset which is infringed from the block chain, and the uplink content of the block chain is compared with the copyright forensics content recorded in the collaborative data center in a characteristic way to be used as the basis for identifying the copyright attribution.
In an embodiment of the present invention, for example, fig. 1 is a flowchart of checking/certifying digital asset contents in an embodiment of the present invention, which specifically includes the following steps:
SS1, obtaining digital asset feature abstract through feature calculation, comparing the digital asset feature abstract with certified feature abstract, and examining originality of digital asset;
SS2, storing digital assets, digital asset description information and digital asset feature abstract in data center; while signatures of valid information for digital assets, including but not limited to authentic content, are stored in the blockchain.
In order to facilitate understanding of the implementation manner of the above flow, in a specific implementation process, the steps SS1 and SS2 may further include the following steps:
and S101, uploading digital assets, uploading digital asset contents such as audio contents, character contents, image products and the like from a client, and filling in necessary description information.
And S102, checking the validity of the digital assets, checking the character contents of the digital assets, including but not limited to lyric information, description information and the like, and checking whether disputed information exists.
And S103, calculating the feature abstract of the digital asset, wherein the feature abstract of the multimedia digital asset comprises audio content, video content, image content and the like, and the feature is an irreversible compression mapping algorithm.
And S104, comparing the characteristic abstracts in a local area to check whether information with copyright disputes exists or not. Matching out a possibly approximate feature abstract in the local feature abstract through an algorithm; and setting a proper threshold value, and judging whether the characteristic abstract is similar to the retrieved characteristic abstract or not so as to confirm the originality of the digital asset.
And S105, returning to the examination results of the steps S102 and S104, and judging whether to carry out copyright storage on the digital assets. Only when the digital assets simultaneously accord with the legality and validity of the content and the originality of the content does not have copyright disputes, the subsequent steps can be carried out; rejecting the problem content which is not in accordance with the specification and the information of copyright dispute and returning the result of non-passing of the examination.
And S106, the copyright content of the digital assets is proved and stored.
In an embodiment, as shown in fig. 2, the copyrighted content certification and storage of the digital asset includes:
step 1, storing the digital asset content. And performing feature calculation on the digital assets to obtain a data abstract which is used as a unique identification ID of the digital assets, storing the data abstract in a data center and a block chain, and returning a block chain evidence storage index ID.
And 2, storing the certified contents of the digital assets. And according to the agreed copyright participation weight proportion, carrying out digital signature and certificate storage on the authority confirmation result abstract, storing the authority confirmation result abstract in a data center and a block chain, and returning a block chain certificate storage index ID.
It should be noted that, the above steps 1 and 2 need to be executed simultaneously or not, so as to ensure consistency between data stored in the blockchain and data stored in the cooperative data center. If one step is not successfully executed, then the other operation must be withdrawn, ensuring consistency and availability of the system.
And S107, issuing a copyright certificate to the successful uplink work as an index ID of the uplink copyright content of the user.
It should be noted that the calculation method of the matching algorithm in S104 is not exclusive, and the design flow is not particularly limited to this.
In step S106, the present invention is applied to the embodiment of the method for confirming the right to store the digital asset. In a block chain-based multi-rights attribute validation and evidence-saving scheme for digital assets, as shown in fig. 3, the method further includes the steps of:
unique identification IDs of copyright holders and digital assets are provided S201.
The copyright owner includes all objects participating in copyright division of the digital assets, including but not limited to a work originator, an assignor and the like.
S202, establishing the specific details of the multi-party ownership confirmation. According to the appointed copyright participation weight proportion, the copyright cooperation distribution proportion is determined; the record is not limited to the information of the copyright owner ID, the unique identification ID of the digital asset, the block chain certification index ID of the digital asset, the copyright cooperation distribution proportion, the copyright signature type, the copyright agreement rule and other copyright content, and the copyright content is combined into a data packet.
S203, the signature and the certificate of the authorized content comprise:
1) performing characteristic calculation on the right-confirming content data packet to obtain a characteristic abstract; the copyright holders use the signature key to digitally sign the authorized content abstract to form a signature digital certificate as the unique identification ID of the multi-party authorized content.
The signature type includes one of the types of copyright registration, copyright assignment, copyright purchase and sale and the like;
the digital signature is not limited to multiple signatures, blind signatures, ring signatures, etc., and is intended to obtain a unique digest value to refer to the original multiparty verification content packet. The digital digest can indicate that the data has not been tampered with and can prove that the copyright owner listed in the copyright certificate has the public key listed in the copyright certificate legally.
2) The summary information, the signature digital certificate, the certificate public verification key and the like which are not limited to the multi-party authority confirmation are issued to the block chain for consensus, and the block chain certificate storage index ID is returned;
3) the above mentioned information not limited to the multi-party ownership confirmation information, the signature digital certificate, the block chain certificate storage index ID, etc. are stored in the collaborative data center;
the unique identification ID for determining the right is associated according to time nodes, and the transaction information of each link can be conveniently tracked.
Optionally, if copyright assignment, right circulation and the like occur, the copyright owner actively initiates an application, and the system contracts the participation weight proportion again after accepting the application, performs digital signature, and issues transaction information to the block chain for consensus.
In S203, the key used for the digital signature is a key pair distributed by an authority (such as VeriSign) that is not limited to a system or a third party. The key information is a data string for proving the identity of an originator, a private key needs to be managed by a system or kept by a user, and a public key can be disclosed to the outside for proving the attribution of signature content.
It should be noted that, in the above S203, the two authentication operations need to be executed simultaneously or not executed simultaneously, so as to ensure consistency between the data stored in the block chain and the data stored in the cooperative data center. If one step is not successfully executed, then the other operation must be withdrawn, ensuring consistency and availability of the system.
The embodiment of the invention for determining rights of digital assets, namely the block chain-based digital asset rights retrieval and authentication, as shown in fig. 4, may include the following steps:
s301, acquiring copyright owner identification ID and identification ID of the digital asset, retrieving original content of the digital asset on a system through the unique identification ID, and calling copyright information contents such as detailed content confirmed by multi-rights of the digital asset, a signature digital certificate, index ID of block chain certificate and the like;
s302, the detailed contents of the multi-party attribute confirmation are subjected to feature calculation to obtain a feature abstract. The whole evidence-storing and evidence-obtaining process is obtained by using the same characteristic abstract algorithm, and the uniqueness of the identification ID is ensured.
S303, searching the certified copyright information content on the block chain through the index ID of the block chain certification provided in the step S301, wherein the certified copyright information content comprises summary information confirmed by multi-party rights, a signature digital certificate, a certificate public verification key and the like;
s304, comparing the copyright owner identification ID, the digital asset identification ID, the signature digital certificate in the step S301 and the multi-party ownership confirmation information characteristic abstract calculated in the step S302 with the copyright information content of the block chain certificate in the step S303, and proving the validity of the copyright content of the digital asset.
The copyright dispute can be initiatively applied by a copyright owner, or the server autonomously monitors the copyright problem and applies, and the client provides a copyright content certificate and a block chain deposit certificate content certificate for the copyright owner. The judicial authority can prove to have a judicial appraisal report according to the content, and the evidence is provided for the authority to decide as the evidence of the originality and the copyright ownership of the digital assets.
The functionality of the present invention, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
Other embodiments than the above examples may be devised by those skilled in the art based on the foregoing disclosure, or by adapting and using knowledge or techniques of the relevant art, and features of various embodiments may be interchanged or substituted and such modifications and variations that may be made by those skilled in the art without departing from the spirit and scope of the present invention are intended to be within the scope of the following claims.
Claims (10)
1. A block chain based digital asset examination and evidence-storing method is characterized by comprising the following steps:
SS1, obtaining digital asset feature abstract through feature calculation, comparing the digital asset feature abstract with the certified feature abstract, and determining originality of the digital asset;
the SS2 is used for storing the digital assets, the digital asset description information and the digital asset feature abstract into a data center; and meanwhile, the effective information of the digital assets is signed and stored in the block chain.
2. The blockchain-based digital asset examination and verification method according to claim 1, wherein in step SS 1: and checking the validity of the uploaded digital assets to obtain the checking result of the validity of the digital assets.
3. The blockchain-based digital asset examination and verification method according to claim 2, wherein in step SS 1: and judging whether to store the digital assets based on the original examination result and the validity examination result of the digital assets.
4. The blockchain-based digital asset examination and credentialing method according to claim 1, wherein the credentialed feature digest comprises a local feature digest data center, wherein the local feature digest data center comprises a certified uploaded work feature digest and an unverified copyrighted work feature digest.
5. The blockchain-based digital asset review and verification method according to claim 4, wherein the local feature summary data center is used only to store the feature summary of copyrighted works.
6. The blockchain-based digital asset examination and verification method according to claim 1 or 2, wherein in step SS 2: the valid information of the digital assets includes but is not limited to the authorized content, and the copyright certification content and the related information of the copyright owner.
7. The blockchain-based digital asset examination and verification method according to claim 1, wherein in step SS 2: the data center storage operation and the effective information evidence storage operation are mutually verified, and the two operations are executed simultaneously or not executed simultaneously, so that the consistency of the data stored in the block chain and the data stored in the data center is guaranteed.
8. The blockchain-based digital asset examination and verification method according to claim 1, comprising the steps of SS 2: and making a copyright certificate number for the digital assets which are successfully certified as an index ID of the uplink copyright content.
9. A block chain-based digital asset right confirming method is characterized by comprising the following steps:
step 1, digital asset authorized persons determine the right cooperation distribution proportion according to the agreed conditions, and multi-party ownership confirmation content and ownership transfer voucher related content of the digital assets are recorded;
step 2, according to the content of the right confirmation and the certificate of the time node, a multi-party signature certificate of the content of the right confirmation is made, and the certificate is stored in a block chain;
step 3, providing a right content certificate of block chain chaining for digital asset infringement complaints, and comparing the block chain chaining content with a right certificate content recorded in a collaborative data center to serve as a confirmation basis of copyright related information;
including but not limited to copyright rights.
10. An apparatus for acquiring, processing and storing digital assets, comprising:
the digital asset acquisition module is used for acquiring digital asset contents, personal information of digital asset content authorized persons and right confirming information contents, and integrating and associating data;
the digital asset processing module is used for checking the validity of the digital asset and the description information thereof, storing the digital asset transaction behavior information in a block chain, and issuing a digital signature which can prove the uniqueness of the asset transaction behavior to the successful storage result;
and the digital asset storage module is used for storing the digital asset content and the digital asset transaction behavior information in a data center and a block chain.
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| CN114362971A (en) * | 2022-03-21 | 2022-04-15 | 南京大学 | Digital asset right confirming and tracing method based on Hash algorithm |
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