CN113098690A - Block chain storage method, system and storage medium for collaborative creation of digital works - Google Patents
Block chain storage method, system and storage medium for collaborative creation of digital works Download PDFInfo
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- CN113098690A CN113098690A CN202110218743.6A CN202110218743A CN113098690A CN 113098690 A CN113098690 A CN 113098690A CN 202110218743 A CN202110218743 A CN 202110218743A CN 113098690 A CN113098690 A CN 113098690A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/3236—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using cryptographic hash functions
- H04L9/3239—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using cryptographic hash functions involving non-keyed hash functions, e.g. modification detection codes [MDCs], MD5, SHA or RIPEMD
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
- H04L63/0442—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload wherein the sending and receiving network entities apply asymmetric encryption, i.e. different keys for encryption and decryption
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/06—Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1097—Protocols in which an application is distributed across nodes in the network for distributed storage of data in networks, e.g. transport arrangements for network file system [NFS], storage area networks [SAN] or network attached storage [NAS]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L2463/00—Additional details relating to network architectures or network communication protocols for network security covered by H04L63/00
- H04L2463/146—Tracing the source of attacks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/50—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using hash chains, e.g. blockchains or hash trees
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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- General Engineering & Computer Science (AREA)
- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
Abstract
The invention discloses a block chain storage method, a system and a storage medium for collaboratively creating a digital work. A blockchain storage method for collaborative creation of a digitized work includes the following steps: acquiring the submitted authoring information and generating an information chain code; writing the information chain code into a blank file in the root node, and encrypting the information chain code to generate the name of the file; receiving new authoring information and generating a new information chain code; and determining a corresponding father node in the block chain according to the new creation information, writing the name of the file in each node path from the root node to the father node in a progressive recursion way and a new information chain code into the new file, and encrypting the new information chain code to generate the name of the new file. In the collaborative creation process, the work content of each creator can be intelligently identified and traced to the identity, and the self-certification efficiency of the ownership ticket of the creator is improved.
Description
Technical Field
The invention relates to the technical field of internet information, in particular to a block chain storage method, a block chain storage system and a block chain storage medium for collaboratively creating a digital work.
Background
At present, the content information of a digitalized work not only contains the literal information content such as a name, introduction, an author and the like, but also contains files in various formats such as pictures, audio files, video files and the like, and multiple persons participate in the creation process of a complete work cooperatively, but in the traditional storage mode, a specially-assigned person is responsible for uploading all the content information of the work to a server for storage in a unified mode, so that deviation is inevitable due to manual transmission and summary, and no supervision person participates in the whole uploading process, so that the risk of private tampering exists, and the evidence storage difficulty is caused.
How to provide a collaborative creation environment and solve the problem of evidence storage of related creation content information, and avoid the problem that the ownership of the work result of each link in collaborative collaboration is complicated and is really considered by the collaborative creator.
Disclosure of Invention
In order to solve the above technical problems, the present invention provides a method, a system and a storage medium for storing a blockchain for collaborative creation of a digital work.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a blockchain storage method for collaborative creation of a digitized work includes the following steps:
acquiring the submitted authoring information and generating an information chain code;
writing the information chain code into a blank file in the root node, and encrypting the information chain code to generate the name of the file;
receiving new authoring information and generating a new information chain code;
and determining a corresponding father node in the block chain according to the new creation information, writing the name of the file in each node path from the root node to the father node in a progressive recursion way and a new information chain code into the new file, and encrypting the new information chain code to generate the name of the new file.
Preferably, the encryption processing specifically includes the following steps:
generating a unique key pair by adopting an asymmetric encryption algorithm; the key pair comprises a public key and a private key, and the private key and the public key are uniquely corresponding;
and carrying out Hash operation on the information chain code through the private key to obtain the name of the file.
Preferably, the method further comprises the following steps:
checking the correctness of the name of the new file;
and if the new file is correct, storing the new file in the multi-node server in a distributed mode.
Preferably, the multi-node servers transmit information point to point or broadcast information to the multi-node servers simultaneously by using communication satellites.
Preferably, the authoring information includes identity information and work content information.
Preferably, the format of the content information of the work is characters, pictures, audio files and video files.
Preferably, the identity information includes author information, creation time, name of the work, and introduction of the work.
A blockchain storage system for collaborative authoring of a digitized work, the blockchain storage system comprising a processor and a memory, the memory having stored therein a data processing program, the processor executing the data processing program to implement the blockchain storage method for collaborative authoring of a digitized work as set forth in any of the above.
A computer readable storage medium having stored thereon a computer program executable by one or more processors to implement the steps in a blockchain storage method of collaborative authoring of a digitized work as claimed in any one of the preceding claims.
Based on the technical scheme, the invention has the beneficial effects that: the invention carries out remote cooperation among creators through the characteristics of decentralized, distributed account book and distributed traceable storage of a block chain technology, ensures that each node stores the whole block chain, if an attacker wants to tamper the information of a certain block, the attacker needs to have the computing power of more than 50% of the whole network to tamper the block information, and the larger total number of the nodes in the actual network has the computing power of more than 50% which is basically unrealizable, thereby ensuring that the block information cannot be tampered. Due to the distributed storage, the non-falsification and the asymmetric encryption technology of the transaction information, the credibility of the nodes without an authoritative third party organization is ensured, the legal right and the traceability of the ownership of the work result are effectively guaranteed, and meanwhile, the rapid ownership verification service can be provided. In the collaborative creation process, the work content of each creator can be intelligently identified and traced to the source identity, and the self-certification efficiency of the ownership ticket of the creator is improved.
Through the clear tracking and tracing of role achievements of the creation team, the problem that disputes of unclear affiliation do not exist in transaction and transfer of digital work copyright is avoided, and meanwhile, personal reputation in the creation team is guaranteed.
Drawings
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
FIG. 1: the invention discloses a flow chart of a block chain storage method for collaboratively creating a digital work.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1, a method for storing a blockchain of a collaborative creation of a digitized work includes the following steps:
acquiring the submitted authoring information and generating an information chain code;
writing the information chain code into a blank file in the root node, and encrypting the information chain code to generate the name of the file;
receiving new authoring information and generating a new information chain code;
and determining a corresponding father node in the block chain according to the new creation information, writing the name of the file in each node path from the root node to the father node in a progressive recursion way and a new information chain code into the new file, and encrypting the new information chain code to generate the name of the new file.
Further, the encryption processing specifically includes the following steps:
generating a unique key pair by adopting an asymmetric encryption algorithm; the key pair comprises a public key and a private key, and the private key and the public key are uniquely corresponding;
and carrying out Hash operation on the information chain code through the private key to obtain the name of the file.
Further, the method also comprises the following steps:
checking the correctness of the name of the new file;
and if the new file is correct, storing the new file in the multi-node server in a distributed mode.
Further, the multi-node servers transmit information point to point or broadcast the information to each multi-node server simultaneously by using a communication satellite.
Further, the creation information comprises identity information and work content information, and the format of the work content information is characters, pictures, audio files and video files; the identity information includes creator information, creation time, name of the work, and introduction of the work.
Creating a root chain file, which specifically comprises the following steps:
s11, submitting content information of the work: the initiator submits the content information of the work;
s12, generating a product information content chain code: generating 'work content information chain code' by the work information content and the identity information submitted by the initiator;
s13, generating a root chain code: generating a root chain code according to the content information chain code of each work by asymmetric encryption;
s14, creating a root chain file: creating a blank "root chain file" with the root chain code of step S13 as the root chain file name;
s15, writing the work content information chain code into the root chain file: writing the work content information chain code data generated at step S12 into the blank root chain file created at step S14;
s16, storing the content information and the root chain file of the works in a distributed mode: files related to all related works submitted in step S11 and the 'root chain file' with data written in step S15 are stored in a multi-node server in a distributed manner.
Creating a child chain file, specifically comprising the following steps:
s21, submitting content information of the works by the collaborative creators: the collaborative creators submit the content information of the works created by the collaborative creators under the works of the creation promoters;
s22, generating a content information chain code of the work: generating a 'work content information chain code' according to the content information of part or all of works submitted by the collaborative creators and the identity information of the collaborative creators;
s23, generating a sub-chain code: generating a root chain code according to the content information chain codes of various works submitted by the collaborative creators and asymmetric encryption;
s24, creating a child chain file: creating a blank sub-chain file by taking the sub-chain code of the step S23 as a sub-chain file name;
s25, writing the root chain codes and the 'work content information chain codes' of the collaborative creators into the 'child chain files' of the collaborative creators respectively: writing the root chain code generated in the step S13 and the work content information chain code of the step S22 into the blank child chain file created by each collaborative author in the step S24;
s26, storing the work content information and the sub-chain file of each collaborative author in a distributed mode: and storing the content information of the work submitted by each collaborative author in the step S21 and the sub-chain file written with the data in the step S25 in a multi-node server in a distributed manner.
Modifying the information content of the work, specifically comprising the following steps:
s31, the collaborative creators submit the content information of the modified works: the work creators (including the work creation promoters) submit new work content information to the submitted work content information;
s32, generating a new work content information chain code: generating a new 'work content information chain code' according to the submitted new modified work content information;
s33, checking whether to initiate updating for the content of the root chain file: judging whether to initiate updating for the content corresponding to the root chain file according to the submitted modified works, and dividing the process into the following two branch business processing flows: the branch service 1, if updating the root chain file, comprises the following steps:
s311, generating a new "root chain code": generating a new 'root chain code' according to the new 'work content information chain code' submitted in the step S31 and asymmetric encryption;
s312, creating a new root chain file: creating a blank root chain file by taking the root chain code of the step S311 as a file name;
s313, writing the new 'work content information chain code' and the previous 'root chain code' into a new 'root chain file': writing the "work content chain code" generated in step S32 and the last-level (i.e., most recently) modified root chain code into the blank root chain file in step S312;
s314, storing the content information of the works of the heart and the new root chain file in a distributed mode: and storing the content information of the works submitted in the step S31 and the root chain file written with the data in the step S313 in a multi-node server in a distributed mode.
And if the branch service 2 is used for updating the child chain file, the method comprises the following steps:
s321, generating a new sub-chain code: generating a new 'child chain code' according to the new 'work content information chain code' submitted in the step S31 and asymmetric encryption;
s322, creating a new child chain file: creating a blank child chain file by taking the child chain code of the step S321 as a file name;
s323, writing the root chain code, the previous sub-chain code and the new work content information chain code into a new sub-chain file: writing the root link code generated in step S13, the "work content information link code" generated in step S32 in this embodiment, and the child link code modified at the previous stage (i.e., the latest time) into the blank child link file in step S322;
s324, storing new work content information and new sub-chain files in a distributed mode: and storing the content information of the works submitted in the step S11 and the sub-chain files with the written data in the step S323 in a multi-node server in a distributed mode.
A blockchain storage system for collaborative authoring of a digitized work, the blockchain storage system comprising a processor and a memory, the memory having stored therein a data processing program, the processor executing the data processing program to implement the blockchain storage method for collaborative authoring of a digitized work as set forth in any of the above.
A computer readable storage medium having stored thereon a computer program executable by one or more processors to implement the steps in a blockchain storage method of collaborative authoring of a digitized work as claimed in any one of the preceding claims.
The above description is only the preferred embodiment of the blockchain storage method, system and storage medium for collaborative creation of digital works disclosed in the present invention, and is not intended to limit the scope of the embodiments of the present disclosure. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the embodiments of the present disclosure should be included in the protection scope of the embodiments of the present disclosure.
The systems, devices, modules or units illustrated in the above embodiments may be implemented by a computer chip or an entity, or by a product with certain functions. One typical implementation device is a computer. In particular, the computer may be, for example, a personal computer, a laptop computer, a cellular telephone, a camera phone, a smartphone, a personal digital assistant, a media player, a navigation device, an email device, a game console, a tablet computer, a wearable device, or a combination of any of these devices.
Computer-readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), Static Random Access Memory (SRAM), Dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), Read Only Memory (ROM), Electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), Digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium that can be used to store information that can be accessed by a computing device. As defined herein, a computer readable medium does not include a transitory computer readable medium such as a modulated data signal and a carrier wave.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The embodiments in the present specification are all described in a progressive manner, and the same and similar parts among the embodiments can be referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.
Claims (9)
1. A blockchain storage method for collaborative creation of a digitized work is characterized by comprising the following steps:
acquiring the submitted authoring information and generating an information chain code;
writing the information chain code into a blank file in the root node, and encrypting the information chain code to generate the name of the file;
receiving new authoring information and generating a new information chain code;
and determining a corresponding father node in the block chain according to the new creation information, writing the name of the file in each node path from the root node to the father node in a progressive recursion way and a new information chain code into the new file, and encrypting the new information chain code to generate the name of the new file.
2. The blockchain storage method of collaborative authoring of digitized works as claimed in claim 1, wherein said encryption process specifically comprises the steps of:
generating a unique key pair by adopting an asymmetric encryption algorithm; the key pair comprises a public key and a private key, and the private key and the public key are uniquely corresponding;
and carrying out Hash operation on the information chain code through the private key to obtain the name of the file.
3. The blockchain storage method of collaborative authoring of digitized works according to claim 1 further comprising the steps of:
checking the correctness of the name of the new file;
and if the new file is correct, storing the new file in the multi-node server in a distributed mode.
4. The blockchain storage method of collaborative authoring of digitized works according to claim 3, wherein said multi-node servers transmit information point-to-point or broadcast information to each multi-node server simultaneously using communication satellites.
5. The blockchain storage method of collaborative authoring of digitized works as claimed in claim 1, wherein said authoring information includes identity information and work content information.
6. The blockchain storage method of a collaborative creation of a digitized work according to claim 5, wherein the content information of the work is in the form of text, pictures, audio files and video files.
7. The blockchain storage method of collaborative authoring of digitized works of claim 5, wherein said identity information includes author information, time of authoring, name of the work and brief description of the work.
8. A blockchain storage system for collaborative authoring of a digitized work, wherein the blockchain storage system comprises a processor and a memory, the memory storing therein a data processing program, the processor executing the data processing program to implement the blockchain storage method for collaborative authoring of a digitized work according to any one of claims 1 to 7.
9. A computer-readable storage medium having stored thereon a computer program executable by one or more processors to perform the steps in the blockchain storage method of collaborative authoring of a digitized work according to any one of claims 1 to 7.
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| CN107622385A (en) * | 2017-08-28 | 2018-01-23 | 南京邮电大学 | A kind of copyright distributing method based on block chain intelligence contract |
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| TW202036430A (en) * | 2019-03-29 | 2020-10-01 | 香港商阿里巴巴集團服務有限公司 | Work copyright distribution method and device based on block chain |
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