CN107798650A - A kind of digital asset infringement decision method and device based on block chain - Google Patents
A kind of digital asset infringement decision method and device based on block chain Download PDFInfo
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- CN107798650A CN107798650A CN201710843238.4A CN201710843238A CN107798650A CN 107798650 A CN107798650 A CN 107798650A CN 201710843238 A CN201710843238 A CN 201710843238A CN 107798650 A CN107798650 A CN 107798650A
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- digital
- purchaser
- digital asset
- block chain
- digital watermarking
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- 238000013075 data extraction Methods 0.000 description 2
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T1/00—General purpose image data processing
- G06T1/0021—Image watermarking
-
- 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]
Abstract
The invention discloses a kind of digital asset infringement decision method and device based on block chain, belong to block chain field.Method includes the identity of the digital asset and purchaser successfully bought according to purchaser, generates digital watermarking corresponding with digital asset, and the information of digital watermarking is write into block chain；The digital asset to be measured uploaded according to user, obtains digital watermarking to be matched, user is different from purchaser；The information of digital watermarking to be matched is matched with the information of the digital watermarking in block chain, to judge that purchaser corresponding to digital watermarking whether there is abuse.The embodiment of the present invention can be realized finds that the digital asset of copyright side is encroached right in time, and when finding to encroach right, is accurately determined as the purchaser of infringer, thus achieves and the copyright of digital asset is protected and digital asset infringement is hit.
Description
Technical field
The present invention relates to belong to block chain field, more particularly to a kind of digital asset infringement decision method based on block chain
And device.
Background technology
The development and application of internet, facility is brought for the transaction of digital asset (such as music, video), but simultaneously
Digital asset is set to face the risk encroached right.Such as some music, the copyright side of film, if put down by data trade
Platform, their music or film are sold to purchaser, the music that the purchasers of these digital assets will be able to may buy
Either movie file travels in network and freely shares or be sold to other people, so as to cause huge economic damage to copyright side
Lose.
Because digital asset is easy to replicate in itself, and it is very easy to propagate on the internet, therefore in the magnanimity of internet
It is difficult to find that the digital asset of copyright side is encroached right in time in data, even if moreover, finding the digital asset quilt of copyright side in time
Infringement, but because internet has certain anonymity, cause to be difficult to determine the identity of infringer and investigate and affix legal liability.
The content of the invention
In view of this, the embodiments of the invention provide a kind of digital asset infringement decision method and dress based on block chain
Put, to judge that the purchaser for buying digital asset whether there is abuse, so as to find the digital asset quilt of copyright side in time
Infringement, and when finding to encroach right, the accurate identity for determining infringer.The technical scheme of the embodiment of the present invention is as follows：
First aspect, there is provided a kind of digital asset infringement decision method based on block chain, methods described include：
The digital asset successfully bought according to purchaser and the identity of the purchaser, generation and the digital asset
Corresponding digital watermarking, and the information of the digital watermarking is write into block chain；
The digital asset to be measured uploaded according to user, obtains digital watermarking to be matched, and the user is different from described
Purchaser；
The information of the digital watermarking to be matched is matched with the information of the digital watermarking in the block chain,
To judge that the purchaser corresponding to the digital watermarking whether there is abuse.
With reference in a first aspect, in the first possible implementation, the numeral successfully bought according to purchaser provides
Production and the identity of the purchaser, before generating digital watermarking step corresponding with the digital asset, methods described is also
Including：
According to the default intelligent contract of the block chain, verify whether the purchaser meets the copyright of the digital asset
The default terms of trade in side；
If being verified, the token that the purchaser is used to buy to the digital asset pays the copyright side；
If checking is not by output refusal transaction instruction.
With reference in a first aspect, in second of possible implementation, the identity is the new account of the purchaser
Family, the identity of the digital asset successfully bought according to purchaser and the purchaser, generation and the digital asset
Corresponding digital watermarking includes：
Extract the characteristic information of the digital asset；And
Create the New Account associated with the purchaser；
According to the characteristic information and the New Account, the digital watermarking is generated.
With reference in a first aspect, in the third possible implementation, the information write area by the digital watermarking
Block chain includes：
Hash operation is carried out to the digital watermarking, obtains the cryptographic Hash of the digital watermarking；
The block chain is write using the cryptographic Hash as the information of the digital watermarking.
It is described by institute in the 4th kind of possible implementation with reference to the third possible implementation of first aspect
The information for stating digital watermarking to be matched is matched with the information of the digital watermarking in the block chain, to judge the number
The purchaser includes with the presence or absence of abuse corresponding to word watermark：
Hash operation is carried out to the digital watermarking to be matched, obtains the cryptographic Hash of the digital watermarking to be matched；
The cryptographic Hash of the digital watermarking in the cryptographic Hash of the digital watermarking to be matched and the block chain is carried out
Matching；
If the match is successful, the digital asset to be detected is judged for digital asset of encroaching right, and judge the digital watermarking
Abuse be present in the corresponding purchaser；
If it fails to match, it is non-infringement digital asset to judge the digital asset to be detected.
With reference to second of possible implementation of first aspect, in the 5th kind of possible implementation, the establishment
After the New Account step associated with the purchaser, methods described also includes：
The anti-infringement expense that the copyright side of the digital asset is provided previously by is transferred to the New Account, and by the new account
The public key at family writes the block chain, while the private key of the New Account is encrypted using key to generate private key ciphertext,
And the private key ciphertext is stored in the block chain, and the key is preserved offline.
With reference to the 5th kind of possible implementation of first aspect, in the 6th kind of possible implementation, methods described
Also include：
When judging that the purchaser corresponding to the digital watermarking has abuse, according to the institute in the block chain
The key stated private key ciphertext and preserved offline, the anti-private key for solving the New Account, and according to the private key, will be described new
Anti- infringement expense in account is given to the user.
With reference in a first aspect, in the 7th kind of possible implementation, methods described also includes：
When judging that the purchaser corresponding to the digital watermarking has abuse, the infringement of the purchaser is believed
Breath is recorded in the block chain, and the infringing information is sent to the copyright side.
Second aspect, there is provided a kind of digital asset infringement decision maker based on block chain, described device include：
Generation module, for the digital asset successfully bought according to purchaser and the identity of the purchaser, generation
Digital watermarking corresponding with the digital asset；
Writing module, for the information of the digital watermarking to be write into block chain；
Acquisition module, for the digital asset to be measured uploaded according to user, obtain digital watermarking to be matched, the use
Side is different from the purchaser；
Determination module is matched, for by the digital water in the information of the digital watermarking to be matched and the block chain
The information of print is matched, to judge that the purchaser corresponding to the digital watermarking whether there is abuse.
With reference to second aspect, in the first possible implementation, described device also includes：
Authentication module, for according to the default intelligent contract of the block chain, it is described to verify whether the purchaser meets
The default terms of trade of copyright side of digital asset；
Payment module, if being verified for the authentication module, the purchaser is used to buy the numeral money
The token of production pays the copyright side；
Output module is indicated, if for authentication module checking not by output refusal transaction instruction.
With reference to second aspect, in second of possible implementation, the identity is the new account of the purchaser
Family, the generation module include：
Extracting sub-module, for extracting the characteristic information of the digital asset；
Submodule is created, for creating the New Account associated with the purchaser；
Submodule is generated, for according to the characteristic information and the New Account, generating the digital watermarking.
With reference to second aspect, in the third possible implementation, said write module includes：
First computing acquisition submodule, for carrying out Hash operation to the digital watermarking, obtain the digital watermarking
Cryptographic Hash；
Submodule is write, for writing the block chain using the cryptographic Hash as the information of the digital watermarking.
With reference to the third possible implementation of second aspect, in the 4th kind of possible implementation, the matching
Sentencing determination module includes：
Second computing acquisition submodule, for carrying out Hash operation to the digital watermarking to be matched, treated described in acquisition
Cryptographic Hash with digital watermarking；
Matched sub-block, for by the digital water in the cryptographic Hash of the digital watermarking to be matched and the block chain
The cryptographic Hash of print is matched；
Decision sub-module, if the match is successful for the matched sub-block, the digital asset to be detected is judged to invade
Digital asset is weighed, and judges that the purchaser has abuse corresponding to the digital watermarking, if the matched sub-block
With failure, then it is non-infringement digital asset to judge the digital asset to be detected.
With reference to second of possible implementation of second aspect, in the 5th kind of possible implementation, described device
Module also is transferred to including first,
Described first is transferred to module, and the anti-infringement expense for the copyright side of the digital asset to be provided previously by is transferred to institute
State New Account；
Said write module, it is additionally operable to the public key of the New Account writing the block chain, while using key to institute
The private key for stating New Account is encrypted to generate private key ciphertext, and the private key ciphertext is stored in the block chain, and
The key is preserved offline.
With reference to the 5th kind of possible implementation of second aspect, in the 6th kind of possible implementation, described device
Also include：
Anti- solution module, for being invaded when the purchaser corresponding to the matching determination module judgement digital watermarking is present
During power behavior, the private key ciphertext in the block chain and the key preserved offline are counter to solve the New Account
Private key；
Second is transferred to module, for according to the private key, the anti-infringement expense in the New Account to be given into the use
Side.
With reference to second aspect, in the 7th kind of possible implementation, described device also includes：
Logging modle, for being invaded when the purchaser corresponding to the matching determination module judgement digital watermarking is present
During power behavior, the infringing information of the purchaser is recorded in the block chain；
Sending module, for the infringing information to be sent to the copyright side.
The embodiments of the invention provide a kind of digital asset infringement decision method and device based on block chain, including：Root
The digital asset successfully bought according to purchaser and the identity of purchaser, digital watermarking corresponding with digital asset is generated, and
The information of digital watermarking is write into block chain, the digital asset to be measured uploaded according to user, digital watermarking to be matched is obtained, makes
It is different from purchaser with side；The information of digital watermarking to be matched is matched with the information of the digital watermarking in block chain, with
Judge that purchaser corresponding to digital watermarking whether there is abuse.Because digital watermarking is according to digital asset and purchaser
Identity generation, digital watermarking is corresponding with digital asset, by by the information of digital watermarking write with can not distort, can
In the block chain of retrospective nature, and the information of the digital watermarking for the digital asset to be measured that user is uploaded and the number in block chain
The information of word watermark is matched, and can reliably judge whether digital asset corresponding to digital watermarking is infringement digital asset,
And judge that the purchaser of digital asset whether there is abuse, so as to find the digital asset infringement of copyright side in time, and
When finding to encroach right, be accurately determined as the purchaser of infringer, thus achieve the copyright of digital asset is protected and
Digital asset infringement is hit.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, make required in being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is the flow chart of one embodiment of the infringement decision method of the digital asset based on block chain of the present invention；
Fig. 2 is the flow chart of another embodiment of the infringement decision method of the digital asset based on block chain of the present invention；
Fig. 3 is the structural representation of one embodiment of the infringement decision maker of the digital asset based on block chain of the present invention
Figure.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached in the embodiment of the present invention
Figure, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only this
Invention part of the embodiment, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art exist
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
Digital asset infringement decision method provided in an embodiment of the present invention based on block chain, can not be usurped based on block chain
Change, can trace, intelligent contract, the characteristic of built-in token, using the intelligent contract and digital token of block chain, realizing and numeral is provided
The copyright protection of production, copyright side is set to find that digital asset is encroached right in time, and when finding to encroach right, it is accurate to determine infringer's
Identity, digital asset abuse is hit.
The executive agent of digital asset infringement decision method provided in an embodiment of the present invention based on block chain can be clothes
Business device, the server can be individual server, server cluster or computer cluster etc., and the server is handed over provided with digital asset
Easy system and corresponding digital asset transaction platform, the digital transaction system be block chain, B/S frameworks Web system and in
The system that heart database is combined, the digital transaction system dispose digital asset transaction on the block chain for supporting intelligent contract
Intelligent contract.
Block chain described in the embodiment of the present invention is a kind of sequentially in time by data block with sequentially connected side
A kind of linked data structure that formula is combined into, and the distributed account that can not be distorted He can not forge ensured in a manner of cryptography
This.Broadly, block chain technology is to be known together using block linked data structure to verify with data storage, using distributed node
Algorithm ensures the safety of data transfer and access to generate and update the data, using the mode of cryptography, using by automation pin
This code composition intelligent contract come program and a kind of brand-new distributed basis framework of operation data with calculate normal form.
Intelligent contract described in the embodiment of the present invention is stored in block chain and (or intelligent contract program is deployed to area
Each node of block chain) in one section of code, define the execution condition of intelligent contract in this section of code and business processing patrolled
Volume, when the execution condition of intelligent contract is triggered, intelligent contract performs corresponding business processing logic.
Digital asset described in the embodiment of the present invention includes but is not limited to image, data, audio-visual, animation, e-book etc.,
The value of digital asset can be defined by being built in the digital encryption token of block chain, and the digital encryption token can be
Other digital encryption tokens on bit coin, ether coin or block chain.
Embodiment one
, should shown in reference picture 1 the embodiments of the invention provide a kind of digital asset infringement decision method based on block chain
Method includes：
101st, the digital asset successfully bought according to purchaser and the identity of purchaser, generation are corresponding with digital asset
Digital watermarking, and the information of digital watermarking is write into block chain.
Specifically, identity is the New Account of purchaser, the digital asset successfully bought according to purchaser and purchaser
Identity, generating the process of corresponding with digital asset digital watermarking can include：
Extract the characteristic information of digital asset；And
Create the New Account associated with purchaser；
According to characteristic information and New Account, digital watermarking is generated.
The information of digital watermarking is write to the process of block chain to be included：
Hash operation is carried out to digital watermarking, obtains the cryptographic Hash of digital watermarking；
Block chain is write using cryptographic Hash as the information of digital watermarking.
In addition, except can using the cryptographic Hash of digital watermarking as the information write-in block chain of digital watermarking in addition to, can be with
The data that other are capable of to unique identification number watermark write block chain as the information of digital watermarking, and the data can be from number
The mark data extracted in word watermark or other, the embodiment of the present invention is not limited specifically the information of digital watermarking
It is fixed.
102nd, the digital asset to be measured uploaded according to user, obtains digital watermarking to be matched, and user is different from purchase
Side.
103rd, the information of digital watermarking to be matched is matched with the information of the digital watermarking in block chain, with resulting number
Purchaser corresponding to word watermark whether there is abuse.
Treat matching digital watermarking and carry out Hash operation, obtain the cryptographic Hash of digital watermarking to be matched；
The cryptographic Hash of digital watermarking to be matched is matched with the cryptographic Hash of the digital watermarking in block chain；
If the match is successful, digital asset to be detected is judged for digital asset of encroaching right, and judges to purchase corresponding to digital watermarking
Abuse be present in buyer；
If it fails to match, it is non-infringement digital asset to judge digital asset to be detected.
Further, before step 101, method also includes：
According to the default intelligent contract of block chain, verify whether purchaser meets the default transaction of the copyright side of digital asset
Condition；
If being verified, the token that purchaser is used to buy to digital asset pays copyright side；
If checking is not by output refusal transaction instruction.
Further, after the New Account step associated with purchaser is created, method also includes：
The anti-infringement expense that the copyright side of digital asset is provided previously by is transferred to New Account, and the public key of New Account is write
Block chain, while the private key of New Account is encrypted using key to generate private key ciphertext, and private key ciphertext is stored in area
In block chain, and key is preserved offline.
Further, method also includes：
When judging that purchaser corresponding to digital watermarking has abuse, private key ciphertext in block chain and offline
The key of preservation, the anti-private key for solving New Account, and according to private key, the anti-infringement expense in New Account is given to user.
Further, method also includes：
When judging that purchaser corresponding to digital watermarking has abuse, the infringing information of purchaser is recorded in block
In chain, and infringing information is sent to copyright side.
The embodiments of the invention provide a kind of digital asset infringement decision method based on block chain, because digital watermarking is
Generated according to the identity of digital asset and purchaser, digital watermarking is corresponding with digital asset, by by digital watermarking
Information write-in have can not distort, can be in the block chain of retrospective nature, and the numeral for the digital asset to be measured that user is uploaded
The information of watermark is matched with the information of the digital watermarking in block chain, can reliably be judged digital corresponding to digital watermarking
Whether assets are infringement digital asset, and judge that the purchaser of digital asset whether there is abuse, so as to find in time
The digital asset infringement of copyright side, and when finding to encroach right, be accurately determined as the purchaser of infringer, thus achieve logarithm
The copyright of word assets is protected and digital asset infringement is hit.
Embodiment two
, should shown in reference picture 2 the embodiments of the invention provide a kind of digital asset infringement decision method based on block chain
Method includes：
201st, according to the default intelligent contract of block chain, verify whether purchaser meets that the copyright side of digital asset is default
Terms of trade, if being verified, step 202 is performed, if checking is not by performing step 203.
Wherein, can include in video data, voice data, view data and text data at least in digital asset
It is a kind of.
Specifically, the process can include：
A, the trading strategies of the default digital asset of digital asset and copyright side of registered copyright side's issue are received.
Wherein, digital asset can be that copyright side is published on digital asset transaction platform by terminal device, here
Terminal device can be understood as mobile terminal, PC terminals etc. have data communication function equipment.When digital asset is successfully sent out
After cloth, the purchaser for having purchase intention can view plucking for the digital asset for being available for transaction on digital asset transaction platform
Will, the information such as brief introduction and part sample.
Wherein, trading strategies can include terms of trade, and terms of trade can include price, mode of doing business and copyright notice
Information, price can be using the embedded digital token of block chain as monetary unit, and mode of doing business can include charging, pressing in due order
Size of data charge, the delivery of digital asset and chargeable time, copyright notice information include copyright requirement；Further, merchandise
Strategy can also include the anti-infringement expense that copyright side is ready to provide for the digital asset of its issue, and the anti-expense of encroaching right is by copyright
Side is paid by the embedded digital token of block chain.
B, the purchase request that purchaser is initiated for the digital asset of copyright side's issue is received, and request forwarding will be bought
To intelligent contract.
Wherein, purchase request can be that purchaser buys stream by the digital asset of terminal device turn-on data transaction platform
What journey was generated, the identity information of purchaser is carried in purchase request, the identity information can be purchaser in digital asset
Registered login account name in transaction system, can also be phone number, Bank Account Number or payment account name of purchaser etc..
As purchaser if it is desired to when buying the digital asset of copyright side's issue, it can initiate to ask for the purchase of the digital asset to be bought
Ask, digital asset transaction system will buy request transmission to the intelligence conjunction for supporting digital asset transaction after purchase request is received
About.
C, according to intelligent contract, verify whether purchaser meets the default terms of trade of the copyright side of digital asset.
Specifically, according to the identity information of purchaser, know built-in token number of the purchaser in block chain and judge
Whether the number exceedes the price of digital asset in terms of trade, if so, being then verified, otherwise, checking does not pass through.
202nd, the token that purchaser is used to buy to digital asset pays copyright side.
Specifically, according to the price of digital asset, purchaser is paid into copyright side in the embedded digital token of block chain, with
Buy digital asset.
Carried out it should be noted that the payment process of above-mentioned purchaser is chargeable time in mode of doing business, should
Chargeable time can complete reimbursement of expense before requirement purchaser successfully buys digital asset.
203rd, output refusal transaction instruction.
Specifically, the embodiment of the present invention is not limited to specific output procedure.
It should be noted that step 201 to step 203 is to realize that purchaser successfully buys the digital asset of copyright side's issue
Process, in addition to the mode of above-mentioned steps, the process can also be realized by other means, the embodiment of the present invention is to specific
Mode be not limited.
It is worth noting that, step 201 to step 203 is optional step, if purchaser has bought the number of copyright side's issue
Word assets, then step 201 need not be performed to step 203, directly performs step 204.
204th, the characteristic information for the digital asset that extraction purchaser successfully buys.
Specifically, the process can include：
Digital asset is pre-processed；
The characteristic information of digital asset is extracted from pretreated digital asset.
Wherein, the process pre-processed to digital asset can be using preconditioning technique appropriate in the prior art come real
It is existing, it can eliminate the such as unrelated information such as interference, noise in digital asset by being pre-processed to digital asset.
Wherein, when digital asset is video data, video features are extracted from pretreated video data；Digital asset
For voice data when, extract audio frequency characteristics from pretreated voice data；When digital asset is view data, from pretreatment
Image data extraction characteristics of image afterwards；It is special from pretreated text data extraction text when digital asset is text data
Sign.It is understood that those skilled in the art can be according to being actually needed, appropriate extraction means carry in the prior art for selection
Take the characteristic information of digital asset.
The embodiment of the present invention is not limited to specific extraction process.
205th, the New Account associated with purchaser is created.
Specifically, the process can include：
It is that purchaser initializes a New Account according to intelligent contract, the New Account of purchaser is closed with purchaser
Connection, the New Account are different from the login account that purchaser voluntarily registers in advance；And
The private key of New Account is created, and generates public key corresponding with private key.
Wherein it is possible to which the identity information of the public key of New Account and purchaser is associated, the identity information can be purchase
Login account name, the phone number of purchaser, Bank Account Number or the payment that buyer voluntarily registers in digital asset transaction system
Account name etc., as long as enabling the identity information to uniquely determine purchaser.
In the embodiment of the present invention, by the way that the public key of New Account is associated with purchaser, it is possible thereby to pass through New Account
Public key is determined the identity of purchaser.
It should be noted that the embodiment of the present invention is not especially limited to the execution sequence of step 204 and step 205,
In practical application, while step 204 and step 205 are performed, be preferred scheme, to improve the formation efficiency of digital watermarking.
206th, the anti-infringement expense for being provided previously by the copyright side of digital asset is transferred to New Account, and by the public key of New Account
Block chain is write, while the private key of New Account is encrypted using key to generate private key ciphertext, and private key ciphertext is stored
In block chain, and key is preserved offline.
Wherein, anti-infringement expense is used to be used as to hitting reward tortious, to attract the user couple of digital asset
Digital asset is detected to identify whether the digital asset that the user is held encroaches right.
Specifically, according to intelligent contract, anti-infringement expense is transferred to New Account；And according to default format transformation, to new
The public key of account carries out data conversion, and writes each node of block chain, while the private key of New Account is carried out using key
Private key ciphertext is stored in each node of block chain by encryption to generate private key ciphertext, and preserves key offline.
It is that key is stored in block chain that offline preservation key described in the embodiment of the present invention, which is not, but passes through number
Word transaction in assets platform is kept properly to key, is directly exposed close so as to prevent the transparent attribute due to block chain
Key.
The present invention is not limited to specific ablation process, ciphering process.
In the embodiment of the present invention, New Account is transferred to by the anti-infringement expense for being provided previously by the copyright side of digital asset,
And the public key of New Account is write into block chain, while the private key of storage New Account is encrypted, thus it is easy to subsequently in anti-infringement expense
Interests stimulate the lower user for attracting digital asset to be detected to digital asset to identify whether digital asset encroaches right, so as to
It is easy to quickly find whether digital asset encroaches right in time；In addition, by the way that the public key for the New Account being associated with purchaser is write
Enter block chain, simultaneously because block chain can not be distorted, can traced, so as to easily by inquiring the public key of New Account
Track purchaser.
It should be noted that step 206 is optional step.
207th, according to characteristic information and the public key of New Account, digital watermarking corresponding with digital asset is generated.
Specifically, according to characteristic information and the public key of New Account, default digital watermarking API is called by intelligent contract
(Application Programming Interface, application programming interface), generate numeral corresponding with digital asset
Watermark.
The embodiment of the present invention is not limited to specific generating process.
In the embodiment of the present invention, by generating the digital watermarking of digital asset, so as to subsequently being capable of reliably foundation
Whether digital watermark detecting digital asset is encroached right to carry out copyright protection, and then effectively the abuse to purchaser is carried out
Retrospect.
It is worth noting that, step 204 to step 207 is to realize the digital asset successfully bought according to purchaser and purchase
The identity of side, the process of corresponding with digital asset digital watermarking is generated, can be with addition to the mode of above-mentioned steps
The process is realized by other means, and the embodiment of the present invention is not limited to specific mode.
It should be noted that can be by the digital watermark embedding of generation to digital asset, and would be embedded with the number of digital watermarking
Word assets are handed down to purchaser, have the characteristics of disguised, robustness and tamper resisting by using digital watermarking so that purchase
Side is difficult to remove, change or forge the digital watermarking that digital asset is embedded with after digital asset is bought, so as to hold back from subjective
Purchaser processed carries out pirate, crime of illegal selling or presenting cultural relics of private collection or propagation to digital asset, so reduce digital asset by risk of infringement.
208th, Hash operation is carried out to digital watermarking, obtains the cryptographic Hash of digital watermarking.
Specifically, Hash operation is carried out to digital watermarking according to default hash algorithm, to obtain the Hash of digital watermarking
Value.Wherein, default hash algorithm includes any in MD5 algorithms, SHA-1 algorithms, SHA-2, SHA-3 algorithm and SHA algorithms
It is a kind of.The embodiment of the present invention is not limited to specific hash algorithm.
209th, block chain is write using cryptographic Hash as the information of digital watermarking.
Specifically, according to intelligent contract, the cryptographic Hash of digital watermarking is write into block chain.
In the embodiment of the present invention, by the way that the cryptographic Hash of digital watermarking is write into block chain so that successfully purchased from purchased side
The cryptographic Hash of the digital watermarking got in the digital asset bought can as the digital asset a Transaction Information it is permanent
Ground has been stored in block chain.And because block chain can not be distorted and retrospective characteristic in itself so that the Hash of digital watermarking
Value is by complete documentation and can not change, can subsequently to judge the purchase of the digital asset by the digital watermarking in block chain
Whether buyer encroaches right, and ensures that reliability, authenticity that digital asset infringement judges.
It is worth noting that, step 208 to step 209 is to realize the process that the information of digital watermarking is write to block chain,
In addition to the mode of above-mentioned steps, the process can also be realized by other means, the embodiment of the present invention is to specific mode
It is not limited.
In addition, except can using the cryptographic Hash of digital watermarking as the information write-in block chain of digital watermarking in addition to, can be with
The data that other are capable of to unique identification number watermark write block chain as the information of digital watermarking, and the data can be from number
The mark data extracted in word watermark or other, the embodiment of the present invention is not limited specifically the information of digital watermarking
It is fixed.
210th, the digital asset to be measured uploaded according to user, obtains digital watermarking to be matched.
Wherein, user is different from purchaser, and user has the registration account in digital asset transaction platform successful registration
Family.The digital asset to be measured that user uploads can be that user is obtained by the purchaser of digital asset, such as, purchase
Side will cause user to obtain digital asset to be measured after the digital asset illegal sales bought, illegal propagation；In addition, number to be measured
Word assets can also be that user is obtained by other approach, and acquisition source of the embodiment of the present invention to digital asset to be measured is not
It is limited.
Specifically, the process can include：
Digital watermarking to be matched is extracted from the digital asset to be measured embedded with digital watermarking to be matched, wherein, this was extracted
Journey can be completed according to being actually needed from extraction algorithm appropriate in the prior art.
The embodiment of the present invention is not limited to specific acquisition process.
211st, treat matching digital watermarking and carry out Hash operation, obtain the cryptographic Hash of digital watermarking to be matched.
Specifically, the process is similar with step 208 in the present embodiment, it is not repeated here herein.
212nd, the cryptographic Hash of digital watermarking to be matched is matched with the cryptographic Hash of the digital watermarking in block chain, if
With success, then step 213 is performed, if it fails to match, perform step 214.
Specifically, according to the cryptographic Hash of digital watermarking to be matched, in block chain inquiry whether there is and the number to be matched
The cryptographic Hash of the cryptographic Hash identical digital watermarking of word watermark, if in the presence of the match is successful, and otherwise it fails to match.It is of the invention real
Example is applied not to be limited specific matching process.
In the embodiment of the present invention, because purchaser is after digital asset is bought, the copyright that may run counter to copyright side will
Ask the digital asset in online illegal sales, illegal propagate, then, can be with after user receives or downloads the digital asset
Detection is made requests in digital transaction platform using the digital asset as digital asset to be measured, whether to determine the digital asset
For encroach right digital asset, consequently facilitating in time find digital asset encroached right；Further, since digital watermarking corresponding to digital asset
With robustness and the characteristics of tamper resisting so that purchaser is difficult to be removed digital watermarking after digital asset is bought,
Modification is forged, therefore by the way that the information of digital watermarking to be matched is matched with the information of the digital watermarking in block chain,
It can reliably judge whether digital asset corresponding to digital watermarking is infringement digital asset, and judge the purchase of digital asset
Side whether there is abuse.Simultaneously as the cryptographic Hash of digital watermarking to be matched can verify that digital watermarking to be matched
Integrality, thus further increase the reliability that infringement detection is carried out to digital asset.
213rd, digital asset to be detected is judged for digital asset of encroaching right, and is judged that purchaser corresponding to digital watermarking is present and invaded
Power behavior.After step 213, step 215 and/or step 216 are performed.
Specifically, according to the digital watermarking to match with digital watermarking to be matched, purchaser corresponding to digital watermarking is determined,
And judge that the purchaser has abuse.
The present invention is not limited to specific decision process.
214th, judge that digital asset to be detected is non-infringement digital asset.
It is worth noting that, step 211 to step 214 is realized according to by the information of digital watermarking to be matched and block chain
In the information of digital watermarking matched, to judge that purchaser corresponding to digital watermarking whether there is process tortious,
In addition to the mode of above-mentioned steps, the process can also be realized by other means, the embodiment of the present invention is to specific mode
It is not limited.
215th, the private key ciphertext in block chain and the key preserved offline, the anti-private key for solving New Account, and according to
Private key, the anti-infringement expense in New Account is given to user.
Specifically, the process can include：
When judging that purchaser corresponding to digital watermarking has abuse, according to purchaser tortious be present, really
Order the New Account of buyer；
The private key ciphertext being stored in block chain is obtained, and obtains the key preserved offline；
Private key ciphertext is decrypted by key, to obtain the private key of New Account；
According to the private key of New Account, the anti-infringement expense in New Account is obtained；
According to the login account of user, anti-infringement expense is given to user.
It should be noted that the above-mentioned process that the public key of New Account and private key are issued to user can be directly by new account
The public key and private key at family are sent to user or after the anti-infringement expense granting for receiving user are asked, then will
The public key and private key of New Account are sent to user, and the embodiment of the present invention is not limited to this.
It should be noted that step 215 is optional step, if step 206 is performed in embodiments of the present invention, in step
After 213, step 215 need to be performed.
In the embodiment of the present invention, when judging that purchaser corresponding to digital watermarking has abuse, by according to block
Private key ciphertext in chain and the key preserved offline, the private key of New Account is obtained, and according to private key, by the anti-infringement in New Account
Expense is given to user, the reward encroached right as user's exposure digital asset；Meanwhile stimulated in the reward of anti-infringement expense
Under, it can also attract more users to carry out digital asset infringement detection, consequently facilitating finding that digital asset is encroached right in time.
216th, the infringing information of purchaser is recorded in block chain, and infringing information is sent to copyright side.
Specifically, the embodiment of the present invention is not limited to specific recording process.
In the embodiment of the present invention, by the way that the infringing information of purchaser is recorded in block chain, and infringing information is sent
To copyright side, so that copyright side can know that digital asset is encroached right in time, and the identity information of infringing party is confirmed, and then
The abuse of digital asset can effectively be contained.
If it should be noted that execution step 215, execution sequence of the embodiment of the present invention to step 215 and step 216
It is not especially limited, in actual applications, while it is preferred scheme to perform step 215 with step 216, to be further easy to copyright
The copyright of digital asset is protected in time and digital asset infringement is hit in side.
The embodiments of the invention provide a kind of digital asset infringement decision method based on block chain, because digital watermarking is
Generated according to the identity of digital asset and purchaser, digital watermarking is corresponding with digital asset, by by digital watermarking
Information write-in have can not distort, can be in the block chain of retrospective nature, and the numeral for the digital asset to be measured that user is uploaded
The information of watermark is matched with the information of the digital watermarking in block chain, can reliably be judged digital corresponding to digital watermarking
Whether assets are infringement digital asset, and judge that the purchaser of digital asset whether there is abuse, so as to find in time
The digital asset infringement of copyright side, and when finding to encroach right, be accurately determined as the purchaser of infringer, thus achieve logarithm
The copyright of word assets is protected and digital asset infringement is hit.
Embodiment three
, should shown in reference picture 3 the embodiments of the invention provide a kind of digital asset infringement decision maker based on block chain
Device 300 includes：
Generation module 301, for the digital asset successfully bought according to purchaser and the identity of purchaser, generation with
Digital watermarking corresponding to digital asset；
Writing module 302, for the information of digital watermarking to be write into block chain；
Acquisition module 303, for the digital asset to be measured uploaded according to user, digital watermarking to be matched is obtained, used
Side is different from purchaser；
Determination module 304 is matched, for by the information of the digital watermarking in the information of digital watermarking to be matched and block chain
Matched, to judge that purchaser corresponding to digital watermarking whether there is abuse.
Optionally, device 300 also includes：
Authentication module 305, for according to the default intelligent contract of block chain, verifying whether purchaser meets digital asset
The default terms of trade of copyright side；
Payment module 306, if being verified for authentication module, purchaser to be used for the token branch for buying digital asset
Pay copyright side；
Output module 307 is indicated, if for authentication module checking not by output refusal transaction instruction.
Optionally, identity is the New Account of purchaser, and generation module 301 includes：
Extracting sub-module 3011, for extracting the characteristic information of digital asset；
Submodule 3012 is created, for creating the New Account associated with purchaser；
Submodule 3013 is generated, for according to characteristic information and New Account, generating digital watermarking.
Optionally, writing module 302 includes：
First computing acquisition submodule 3021, for carrying out Hash operation to digital watermarking, obtain the Hash of digital watermarking
Value；
Submodule 3022 is write, for writing block chain using cryptographic Hash as the information of digital watermarking.
Optionally, determination module 304 is sentenced in matching includes：
Second computing acquisition submodule 3041, Hash operation is carried out for treating matching digital watermarking, obtains number to be matched
The cryptographic Hash of word watermark；
Matched sub-block 3042, for by the Hash of the digital watermarking in the cryptographic Hash of digital watermarking to be matched and block chain
Value is matched；
Decision sub-module 3043, if the match is successful for matched sub-block, judge digital asset to be detected for number of encroaching right
Word assets, and judge that purchaser has abuse corresponding to digital watermarking, if it fails to match for matched sub-block, judge to be checked
Survey digital asset is non-infringement digital asset.
Optionally, device 300 is also transferred to module 308 including first,
First is transferred to module 308, and the anti-infringement expense for the copyright side of digital asset to be provided previously by is transferred to New Account；
Writing module 302, it is additionally operable to the public key of New Account writing block chain, while the private key using key to New Account
It is encrypted to generate private key ciphertext, and private key ciphertext is stored in block chain, and preserves key offline.
Optionally, device 300 also includes：
Anti- solution module 309, for when matching determination module and judging that purchaser corresponding to digital watermarking has abuse,
Private key ciphertext in block chain and the key preserved offline, the anti-private key for solving New Account；
Second is transferred to module 310, for according to private key, the anti-infringement expense in New Account to be given into user.
Optionally, device 300 also includes：
Logging modle 311, for when match determination module judge digital watermarking corresponding to purchaser abuse be present when,
The infringing information of purchaser is recorded in block chain；
Sending module 312, for infringing information to be sent to copyright side.
Specific above-mentioned device as shown in Figure 3 can be located on server.
The embodiments of the invention provide a kind of digital asset infringement decision maker based on block chain, because digital watermarking is
Generated according to the identity of digital asset and purchaser, digital watermarking is corresponding with digital asset, by by digital watermarking
Information write-in have can not distort, can be in the block chain of retrospective nature, and the numeral for the digital asset to be measured that user is uploaded
The information of watermark is matched with the information of the digital watermarking in block chain, can reliably be judged digital corresponding to digital watermarking
Whether assets are infringement digital asset, and judge that the purchaser of digital asset whether there is abuse, so as to find in time
The digital asset infringement of copyright side, and when finding to encroach right, be accurately determined as the purchaser of infringer, thus achieve logarithm
The copyright of word assets is protected and digital asset infringement is hit.
Above-mentioned all optional technical schemes, any combination can be used to form the alternative embodiment of the present invention, herein no longer
Repeat one by one.
It should be noted that in the description of the invention, term " first ", " second " etc. are only used for describing purpose, without
It is understood that to indicate or implying relative importance.In addition, in the description of the invention, unless otherwise indicated, the implication of " multiple "
It is two or more.
It should be noted that the infringement decision maker of the digital asset based on block chain that above-described embodiment provides is performing base
When the digital asset of block chain encroaches right decision method, only carried out with the division of above-mentioned each functional module for example, actual should
In, it can be completed, i.e., divided the internal structure of device by different functional modules as needed and by above-mentioned function distribution
Into different functional modules, to complete all or part of function described above.In addition, above-described embodiment provide based on area
The digital asset infringement decision maker of block chain belongs to same structure with the digital asset infringement decision method embodiment based on block chain
Think, its specific implementation process refers to embodiment of the method, repeated no more here.
One of ordinary skill in the art will appreciate that hardware can be passed through by realizing all or part of step of above-described embodiment
To complete, associated hardware can also be instructed to complete by program, described program can be stored in a kind of computer can
Read in storage medium, storage medium mentioned above can be read-only storage, disk or CD etc..
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.
Claims (10)
1. a kind of digital asset infringement decision method based on block chain, it is characterised in that methods described includes：
The digital asset successfully bought according to purchaser and the identity of the purchaser, generation are corresponding with the digital asset
Digital watermarking, and the information of the digital watermarking is write into block chain；
The digital asset to be measured uploaded according to user, obtains digital watermarking to be matched, the user is different from the purchase
Side；
The information of the digital watermarking to be matched is matched with the information of the digital watermarking in the block chain, to sentence
The purchaser corresponding to the fixed digital watermarking whether there is abuse.
2. according to the method for claim 1, it is characterised in that the digital asset successfully bought according to purchaser and institute
The identity of purchaser is stated, before generating digital watermarking step, methods described also includes：
According to the default intelligent contract of the block chain, verify whether the purchaser meets that the copyright side of the digital asset is pre-
If terms of trade；
If being verified, the token that the purchaser is used to buy to the digital asset pays the copyright side；
If checking is not by output refusal transaction instruction.
3. according to the method for claim 1, it is characterised in that the identity be the purchaser New Account, institute
The digital asset successfully bought according to purchaser and the identity of the purchaser are stated, generation is corresponding with the digital asset
Digital watermarking includes：
Extract the characteristic information of the digital asset；And
Create the New Account associated with the purchaser；
According to the characteristic information and the New Account, the digital watermarking is generated.
4. according to the method for claim 1, it is characterised in that the information by the digital watermarking writes block chain bag
Include：
Hash operation is carried out to the digital watermarking, obtains the cryptographic Hash of the digital watermarking；
The block chain is write using the cryptographic Hash as the information of the digital watermarking.
5. according to the method for claim 4, it is characterised in that the information by the digital watermarking to be matched with it is described
The information of the digital watermarking in block chain is matched, to judge whether the purchaser deposits corresponding to the digital watermarking
Include in abuse：
Hash operation is carried out to the digital watermarking to be matched, obtains the cryptographic Hash of the digital watermarking to be matched；
The cryptographic Hash of the digital watermarking to be matched is matched with the cryptographic Hash of the digital watermarking in the block chain；
If the match is successful, the digital asset to be detected is judged for digital asset of encroaching right, and judge that the digital watermarking is corresponding
The purchaser abuse be present；
If it fails to match, it is non-infringement digital asset to judge the digital asset to be detected.
6. according to the method for claim 3, it is characterised in that described to create the new account associated with the purchaser
After the step of family, methods described also includes：
The anti-infringement expense that the copyright side of the digital asset is provided previously by is transferred to the New Account, and by the New Account
Public key writes the block chain, while the private key of the New Account is encrypted using key to generate private key ciphertext, and will
The private key ciphertext is stored in the block chain, and preserves the key offline.
7. according to the method for claim 6, it is characterised in that methods described also includes：
When judging that the purchaser corresponding to the digital watermarking has abuse, according to the private in the block chain
Key ciphertext and the key preserved offline, the anti-private key for solving the New Account, and according to the private key, by the New Account
In anti-infringement expense be given to the user.
8. according to the method for claim 1, it is characterised in that methods described also includes：
When judging that the purchaser corresponding to the digital watermarking has abuse, the infringing information of the purchaser is remembered
Record is sent to the copyright side in the block chain, and by the infringing information.
9. a kind of digital asset infringement decision maker based on block chain, it is characterised in that described device includes：
Generation module, for the digital asset successfully bought according to purchaser and the identity of the purchaser, generation and institute
State digital watermarking corresponding to digital asset；
Writing module, for the information of the digital watermarking to be write into block chain；
Acquisition module, for the digital asset to be measured uploaded according to user, digital watermarking to be matched is obtained, the user is not
It is same as the purchaser；
Determination module is matched, for by the digital watermarking in the information of the digital watermarking to be matched and the block chain
Information is matched, to judge that the purchaser corresponding to the digital watermarking whether there is abuse.
10. device according to claim 9, it is characterised in that described device also includes：
Authentication module, for according to the default intelligent contract of the block chain, verifying whether the purchaser meets the numeral
The default terms of trade of copyright side of assets；
Payment module, if being verified for the authentication module, the purchaser is used to buy the digital asset
Token pays the copyright side；
Output module is indicated, if for authentication module checking not by output refusal transaction instruction.
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