CN109344567A - Block chain copyrighted digital content operating platform - Google Patents
Block chain copyrighted digital content operating platform Download PDFInfo
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- CN109344567A CN109344567A CN201810148266.9A CN201810148266A CN109344567A CN 109344567 A CN109344567 A CN 109344567A CN 201810148266 A CN201810148266 A CN 201810148266A CN 109344567 A CN109344567 A CN 109344567A
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- 238000012546 transfer Methods 0.000 description 7
- 238000004364 calculation method Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 4
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- 238000012550 audit Methods 0.000 description 1
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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
- G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
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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
- G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules
- G06F21/6218—Protecting access to data via a platform, e.g. using keys or access control rules to a system of files or objects, e.g. local or distributed file system or database
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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
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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
- H04L63/12—Applying verification of the received information
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Abstract
The invention discloses a kind of block chain copyrighted digital content operating platforms comprising: digital content receiving module, for receiving digital content summary info and encrypted digital content；Digital content release module, for issuing the digital content summary info and the encrypted digital content in block chain；Interface module, for providing platform interface corresponding with block chain node interface；And memory module, for being cached to the digital content summary info and the encrypted digital content；Wherein, the digital content summary info includes the corresponding cryptographic Hash of original digital content；The encrypted digital content refers to the content obtained after original digital content encryption；The original digital content includes one or more file contents for being able to carry out digitized processing.Operating platform user through the invention can be easily by digital content publication on block chain.
Description
Technical Field
The invention relates to a block chain digital content copyright operation platform.
Background
Generally, people support transaction flow and calculation by using a central database, the control right of the database is held in the hands of owners, and the owners manage the access and update right of the database, so that the safety, transparency and expandability of transactions are restricted. With the development of communication technology and encryption technology, distributed databases across organizations are made possible. The core potential of blockchains, relative to traditional central databases, lies in the nature of their distributed databases and their secure, transparent, and efficient nature. Block chains have the following advantages:
safety: the blockchain relies on encryption to verify the transaction, which verifies the identity of the parties involved in the transaction, ensuring that the wrong transaction cannot be added to the blockchain without the consent of the parties involved. Each time a new record is added to the blockchain, a complex mathematical computation, a hash computation, is performed that depends on the transaction data, the identities of the parties involved in the transaction, and the outcome of the previous transaction. The feature that the current blockchain relies on the previous blockchain ensures that the transaction history cannot be tampered with. This is because if the previous transaction data is changed, the existing hash value will be affected and not match other data of the ledger.
And (3) transparency: the essence of the blockchain is a distributed database, which is designed to be maintained and synchronized by multiple nodes, such as multiple parties that frequently transact with each other, and the transaction data must be consistent between the parties to make it possible to join the blockchain. This allows multiple parties to access the same data, greatly improving transaction transparency. Whereas traditional central systems rely on hidden databases behind firewalls, which are not visible from the outside.
High efficiency: in any transaction involving two or more opponents, the same transaction is usually posted separately to the respective systems of the two institutions, and at each institution, the transaction needs to be recorded and processed through a series of office systems, and if an error occurs, the data of the same transaction are contradictory, which results in a costly, tedious and manual reconciliation process and a large amount of manual intervention. The block chain distributed database used by crossing organizations can greatly reduce the manual account checking requirement and greatly save the cost.
The above-mentioned advantages of blockchains make them particularly suitable for business models based on distributed markets and technologies, such as: digital content industry, bank securities industry, internet of things, shared economy, and the like. For the digital content industry, DRM (digital rights Management) technology is mainly used to protect digital content at present. DRM technologies can be applied to electronic books, electronic files, audio video streaming, graphic images, mobile multimedia, and the like. At the heart of DRM technology are digital encryption, which prevents illegal distribution of digital content, and rights control, which limits the way digital content is used.
However, since the DRM technology employs a traditional centralized management system to store information such as digital content, copyright owner, issuer, and user in the DRM system, if the DRM system is damaged or data is lost, the copyright information is lost; and because the DRM technology has lower security, the leakage event of the digital copyright content is frequently generated, so that the digital copyright content is illegally copied and spread, the benefit of a copyright owner is damaged, and the whole digital content industry is continuously damaged.
Disclosure of Invention
In view of this, the present invention provides a block chain digital content copyright operating platform, which is based on a block chain, so that the decentralized operation of digital content becomes practical, and the operating security of digital content copyright is greatly improved.
The invention provides a block chain digital content copyright operation platform, which comprises: a digital content receiving module for receiving digital content summary information and encrypted digital content; a digital content publishing module for publishing the digital content summary information and the encrypted digital content on a blockchain; the interface module is used for providing a platform interface corresponding to the block chain link point interface; the storage module is used for caching the digital content summary information and the encrypted digital content; the digital content abstract information comprises a hash value corresponding to the original digital content; the encrypted digital content refers to a content obtained by encrypting an original digital content; the original digital content includes one or more file contents capable of being digitally processed.
According to the blockchain digital content copyright operating platform, preferably, the digital content publishing module publishes the digital content summary information and the encrypted digital content on the blockchain, and publishes the information of the blockchain digital content copyright operating platform on the blockchain at the same time.
The blockchain digital content copyright operating platform according to the present invention preferably further includes: and the information auditing module is used for auditing the received digital content abstract information so as to judge whether the digital content abstract information exists on the block chain.
The blockchain digital content copyright operating platform according to the present invention preferably further includes: and the contract construction module is used for constructing a copyright intelligent contract, and the copyright intelligent contract comprises digital content summary information, copyright initial release quantity and copyright initial release price.
The blockchain digital content copyright operating platform according to the present invention preferably further includes: the digital content copyright inquiry module is used for inquiring the information of the digital content copyright issued on the block chain; wherein the information of the digital content copyright includes: digital content summary information, block transaction summary information, and/or a block transaction ledger; the block transaction summary information comprises all transaction records of the current block and block transaction summary information corresponding to the previous block; the block transaction account book comprises a plurality of account book blocks arranged according to a generation time sequence, and each account book block comprises block transaction summary information corresponding to the account book block.
According to the blockchain digital content copyright operating platform of the invention, preferably, the transaction record includes copyright issuer information, copyright purchaser information and copyright transaction amount.
The blockchain digital content copyright operating platform according to the present invention preferably further includes: and the digital content copyright trading module is used for trading the digital content copyright between two or more target users according to a preset rule.
The blockchain digital content copyright operating platform according to the present invention preferably further includes: the digital content copyright transferring module is used for transferring the digital content copyright between two or more target users according to a preset rule.
The blockchain digital content copyright operating platform according to the present invention preferably further includes: and the digital content copyright recovery module is used for providing recovery of the digital content for the target user who already possesses the digital content copyright according to a preset rule.
According to the blockchain digital content copyright operating platform provided by the invention, preferably, the blockchain digital content copyright operating platform supports the EtherFang ERC20Token standard.
Through the block chain digital content copyright operation platform provided by the invention, a user can conveniently release the digital content on the node of the block chain, the release of the digital content can be completed when the preset condition is met, and the digital content copyright operation platform has higher transparency and safety compared with the traditional DRM system. In a preferred embodiment, through the platform, users can conveniently browse the information of the inquired digital content, and further operations such as purchasing, using, transferring, requesting recovery and the like can be realized for the interested digital content. The blockchain digital content copyright operation platform provides convenience for digital content users to safely and efficiently manage own digital content copyright assets.
Drawings
Fig. 1 is a block chain digital content copyright operating platform architecture diagram according to the present invention.
Detailed Description
The present invention will be further described with reference to the following specific examples, but the scope of the present invention is not limited thereto.
The block chain digital content copyright operating platform can receive the digital content uploaded by a user and distribute the digital content on the block chain. Further, the block chain digital content copyright operating platform can also realize the transaction, transfer, recovery and other processing of the digital content copyright. The detailed description is as follows.
Referring to fig. 1, there is shown a block diagram of a block chain digital content copyright operating platform according to the present invention, which includes:
a digital content receiving module for receiving digital content summary information and encrypted digital content;
a digital content publishing module for publishing the digital content summary information and the encrypted digital content on a blockchain;
the interface module is used for providing a platform interface corresponding to the block chain link point interface; and
and the storage module is used for caching the digital content summary information and the encrypted digital content.
The block chain digital content copyright operating platform has certain data processing capacity and data storage capacity, can be regarded as a user terminal, can be realized by adopting a computer, and can also be realized by other terminals (such as intelligent terminal equipment, a smart phone, a tablet personal computer and the like) provided with a cache and a computing chip.
When the digital content publishing platform is used, a user can upload digital content summary information corresponding to original digital content to be published and encrypted digital content to the platform through the digital content receiving module, the platform calls the block chain link point interface through the interface module, the content to be published is published on the block chain through the digital content publishing module, and data related to the period can be cached in the storage module.
In the present invention, the original digital content includes one or more file contents capable of being digitally processed, such as: audio file content, video file content, electronic book file content, and the like. The digital content digest information includes a hash value corresponding to the original digital content, and in a preferred embodiment, the hash value corresponding to the original digital content may be calculated by using a SHA256 function. The encrypted digital content refers to a content obtained by encrypting an original digital content, and in a preferred embodiment, the original digital content may be encrypted by using a DH (Diffie-Hellman) key exchange algorithm. The existing DH key exchange algorithm is used for encryption processing, and the processing procedure is not described herein again.
The platform of the invention is used for issuing digital content on the block chain, and based on the block chain principle, after the block confirmation of the safety confirmation block quantity (for example, 6 blocks) on the block chain is obtained, the digital content can be considered to be successfully issued, and the issuer owns the copyright of the digital content. Because the content issued by the platform of the invention comprises the hash value corresponding to the original digital content (the hash value can uniquely identify the copyright of the digital content) and the encrypted digital content, the content can not only be guaranteed to be incapable of being forged by a copyright issuer, but also the actual digital content of the copyright does not need to be revealed under the condition of no copyright operation.
In an embodiment of the present invention, while the digital content publishing module publishes the digital content digest information and the encrypted digital content on the blockchain, information of the blockchain digital content copyright operating platform is also published on the blockchain together. The advantage of this processing is that the published platform can be recorded on the blockchain for other users to view, so that the recorded information is more complete.
In an embodiment of the present invention, the platform further includes an information auditing module, configured to audit the received digital content summary information to determine whether the digital content summary information already exists on the block chain. If it already exists, the publication fails. The information auditing module is arranged, so that the same content can be prevented from being repeatedly issued, and redundant information on a block chain is prevented.
In an embodiment of the invention, the platform further comprises a contract construction module for constructing a copyright intelligent contract, the copyright intelligent contract comprising a name, a release amount and a release price of the digital content. The information of the intelligent contract is available for all users of the blockchain to query.
In an embodiment of the present invention, the platform further includes a digital content copyright query module, configured to query information of digital content copyright issued on the blockchain; wherein the information of the digital content copyright includes: digital content summary information, block transaction summary information, and/or a block transaction ledger. The block transaction summary information comprises all transaction records of the current block; the block transaction account book comprises a plurality of account book blocks arranged according to a generation time sequence, and each account book block comprises block transaction summary information corresponding to the account book block.
Through the digital content copyright query module, a user can conveniently query copyright information (such as account copyright balance information) and transaction record information (such as copyright issuer address information, copyright purchaser address information and copyright transaction amount) of all issued digital contents on the block chain.
In a preferred embodiment, the blockchain digital content copyright operating platform of the present invention may further optionally include the following modules:
and the digital content copyright trading module is used for trading the digital content copyright between two or more target users according to a preset rule.
The digital content copyright transferring module is used for transferring the digital content copyright between two or more target users according to a preset rule.
And the digital content copyright recovery module is used for providing recovery of the digital content for the target user who already possesses the digital content copyright according to a preset rule.
In addition, in some embodiments of the invention, the blockchain and operating platform support the EtherFarC 20Token standard. The blockchain node provides an RPC (Remote Procedure call) interface, and the digital content summary information, the encrypted digital content, the block transaction summary information and the block transaction book are stored on the blockchain node; the operation platform can realize all operations on the blockchain nodes, such as inquiring account copyright balance from the blockchain nodes, initiating copyright transaction operations, executing distribution contracts, acquiring digital content encryption data and the like.
The digital content summary information, the encrypted digital content, the block transaction summary information, and the block transaction ledger stored on a blockchain node are described in detail below.
< digital contents digest information >
The digital content digest information refers to a hash value of the original digital content that is not encrypted, the original digital content including one or more file contents that can be digitally processed, such as: audio file content, video file content, electronic book file content, and the like.
In a preferred embodiment of the present invention, the digital content digest information includes a hash value of the original digital content calculated using the SHA256 function, which is also referred to as "SHA 256 digest", having the SHA256 digest of the original digital content as digital content digest information thereof. The calculation process is described in the following sub-steps:
s101, dividing an entity file of original digital content into N sections of files;
s102, calculating the SHA256 abstract of each file in the N files by adopting an SHA256 function to obtain N SHA256 abstracts;
s103, combining the N SHA256 abstracts to obtain a string of combined data;
and S104, calculating the SHA256 abstract of the combined data by adopting an SHA256 function, and taking the calculation result as the digital content abstract information of the original digital content.
When the entity file is divided in S101, the first N-1 files in the N segments of files may have the same size, for example, for the first N-1 files, the length of each segment is 1MB, and if the nth segment, i.e., the last segment, is also 1MB, the N segments of files having the same size are obtained; and if the Nth section, namely the last section is less than 1MB, the actual length of the Nth section is taken, and N sections of files can be obtained, wherein the capacity of the last section of files is less than that of the (N-1) th section of files.
Since SHA256 digest has uniqueness, it can be used to uniquely identify the copyright of digital content. In subsequent copyright transactions, after the copyright receiver obtains the actual digital content, it can verify whether the digital content is the correct copyright content by its SHA256 digest.
< encrypted digital content >
The encrypted digital content refers to content obtained after encrypting the original digital content which is not encrypted. The copyright issuer issues the encrypted digital content on the blockchain, and when the copyright receiver obtains the encrypted digital content, it needs to decrypt it to obtain the actual digital content.
In a preferred embodiment of the present invention, the encryption process for the original digital content is as follows: generating a pair of asymmetric keys for original digital content by adopting a DH key exchange algorithm, wherein the asymmetric keys comprise public keys and private keys; and encrypting the original digital content by adopting the generated private key to obtain the encrypted digital content for being issued to the block chain.
For the encrypted digital content distributed to the blockchain, a copyright owner can decrypt the encrypted digital content by using a private key owned by the copyright owner, and besides, any other person on the blockchain cannot decrypt the encrypted digital content, so that the digital content distributed on the blockchain is protected.
< Block transaction summary information >
The block transaction summary information refers to the transaction summary information of the current block, which contains all transaction records of the current block and the transaction summary information of the previous block. In a preferred embodiment of the present invention, the block transaction summary information can be obtained by using SHA256 function calculation, and the calculation process is described as follows:
suppose that there are 3 transaction records in the current block, t1, t2 and t3 respectively; the transaction summary information of the previous block is h1, and the random number is r;
the transaction summary information h of the current block is:
h＝SHA256(t1，t2，t3，h1，r)；
wherein each of the transaction records (e.g. t1, t2 or t3) includes copyright transferor address information, copyright purchaser address information and copyright transaction amount; preferably, signature information of the copyright issuer may also be included.
The random number r needs to be selected, so that the first 20bits (i.e., the first 20 bits) of the transaction summary information h of the current block obtained by calculation are all 0. Here, the random number r needs to be selected through a large number of attempts to be determined, so that the random number r can be selected by a plurality of nodes at the same time, each node is guaranteed to have the same right of packaging the block account book, and the probability that the block account book information which is packaged is subsequently tampered is reduced to be extremely low.
< Block transaction Account book >
The block transaction account book comprises a plurality of account book blocks, each account book block corresponds to one block on the block chain, each account book block comprises block transaction summary information of the block, and the account book blocks are arranged according to the generation time sequence of the account book blocks. Since the block transaction summary information includes transaction records of all copyright transactions of the block, the block transaction book includes transaction records of all copyright transactions on the block chain, and is a collection of all copyright transaction records on the block chain.
Example 1
The copyright release can be carried out by utilizing the block chain digital content copyright operating platform of the invention, and the specific process is described by taking the release of an audio file as an example.
① calculating the digital content abstract information of the audio file by SHA256 function, and recording as H;
② inquiring whether the digital content abstract information H exists on the block chain through the RPC interface of the block chain node, if so, giving up the release, if not, entering the next step;
③, constructing copyright intelligent contract, wherein the contract information includes the digital content abstract information H, initial release amount, initial release price;
④, the issuer signs the contract information with private key to get the broadcast affair with signature;
⑤ broadcasting the signed broadcast transaction to the blockchain, if any node fails to confirm, then the copyright issue fails;
⑥ when the 6 blocks confirm the broadcast affair, the intelligent contract is valid and the copyright of the audio file is valid.
Example 2
The copyright transfer can be performed by using the blockchain digital content copyright operating platform of the present invention, and in this embodiment, it is assumed that user a owns 1 part of copyright, and transfers the copyright to user B, and the following describes a specific process.
① user A submits copyright transfer request to the block chain digital content copyright operation platform, the designated transfer number is 1, and the transfer target is user B;
② platform constructs transaction information based on the request and returns the constructed transaction information to user A, user A signs the transaction information with private key to form the broadcast transaction with signature;
③ through RPC interface provided by the block chain node, the platform broadcasts the broadcast transaction signed by user A to the block chain;
④ when the block 6 confirms the broadcast transaction, the copyright transfer is successful, user A no longer owns the copyright, and the amount of the copyright owned by user B is increased by one.
The present invention is not limited to the above-described embodiments, and any variations, modifications, and substitutions which may occur to those skilled in the art may be made without departing from the spirit of the invention.
Claims (10)
1. A blockchain digital content copyright operating platform, comprising:
a digital content receiving module for receiving digital content summary information and encrypted digital content;
a digital content publishing module for publishing the digital content summary information and the encrypted digital content on a blockchain;
the interface module is used for providing a platform interface corresponding to the block chain link point interface; and
a storage module for caching the digital content summary information and the encrypted digital content; wherein,
the digital content abstract information comprises a hash value corresponding to the original digital content;
the encrypted digital content refers to a content obtained by encrypting an original digital content;
the original digital content includes one or more file contents capable of being digitally processed.
2. The blockchain digital content copyright operating platform of claim 1, wherein the digital content publishing module publishes the digital content digest information and the encrypted digital content on a blockchain at the same time, and publishes information of the blockchain digital content copyright operating platform on the blockchain together.
3. A blockchain digital content rights operating platform as recited in claim 1 further comprising: and the information auditing module is used for auditing the received digital content abstract information so as to judge whether the digital content abstract information exists on the block chain.
4. A blockchain digital content rights operating platform as recited in claim 1 further comprising: and the contract construction module is used for constructing a copyright intelligent contract, and the copyright intelligent contract comprises digital content summary information, copyright initial release quantity and copyright initial release price.
5. A blockchain digital content rights operating platform as recited in claim 1 further comprising: the digital content copyright inquiry module is used for inquiring the information of the digital content copyright issued on the block chain; wherein the information of the digital content copyright includes: digital content summary information, block transaction summary information, and/or a block transaction ledger; the block transaction summary information comprises all transaction records of the current block and block transaction summary information corresponding to the previous block; the block transaction account book comprises a plurality of account book blocks arranged according to a generation time sequence, and each account book block comprises block transaction summary information corresponding to the account book block.
6. The blockchain digital content copyright operating platform of claim 5, wherein the transaction record includes copyright issuer information, copyright purchaser information, and copyright transaction amount.
7. A blockchain digital content rights operating platform as recited in claim 1 further comprising: and the digital content copyright trading module is used for trading the digital content copyright between two or more target users according to a preset rule.
8. A blockchain digital content rights operating platform as recited in claim 1 further comprising: the digital content copyright transferring module is used for transferring the digital content copyright between two or more target users according to a preset rule.
9. A blockchain digital content rights operating platform as recited in claim 1 further comprising: and the digital content copyright recovery module is used for providing recovery of the digital content for the target user who already possesses the digital content copyright according to a preset rule.
10. The blockchain digital content copyright operating platform according to any one of claims 1 to 9, wherein the blockchain digital content copyright operating platform supports the EtherFang ERC20Token standard.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810148266.9A CN109344567A (en) | 2018-02-13 | 2018-02-13 | Block chain copyrighted digital content operating platform |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810148266.9A CN109344567A (en) | 2018-02-13 | 2018-02-13 | Block chain copyrighted digital content operating platform |
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| CN109344567A true CN109344567A (en) | 2019-02-15 |
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| CN201810148266.9A Pending CN109344567A (en) | 2018-02-13 | 2018-02-13 | Block chain copyrighted digital content operating platform |
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| KR20130031478A (en) * | 2011-09-21 | 2013-03-29 | 주식회사 이모션 | Method and system for providing a digital content |
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| CN106250721A (en) * | 2016-07-28 | 2016-12-21 | 杭州云象网络技术有限公司 | A kind of electronic copyright protection method based on block chain |
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Application publication date: 20190215 |