CN108471510A - A kind of vision operation record protection method and system based on block chain - Google Patents
A kind of vision operation record protection method and system based on block chain Download PDFInfo
- Publication number
- CN108471510A CN108471510A CN201810085754.XA CN201810085754A CN108471510A CN 108471510 A CN108471510 A CN 108471510A CN 201810085754 A CN201810085754 A CN 201810085754A CN 108471510 A CN108471510 A CN 108471510A
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- China
- Prior art keywords
- video
- block
- server
- record
- block chain
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1097—Protocols in which an application is distributed across nodes in the network for distributed storage of data in networks, e.g. transport arrangements for network file system [NFS], storage area networks [SAN] or network attached storage [NAS]
Abstract
The vision operation record protection method based on block chain that the present invention relates to a kind of, includes the following steps：1）Video terminal uploaded videos are to video server；2）Video server calculate the video cryptographic Hash as video verification and；3）Video identifier+timestamp+video cryptographic Hash is combined into video modification record and is sent to block chain server by video server；4）The video modification received is recorded deposit block by block chain server.It has the advantages that：1. storing the authenticity and completeness of video modification record within a block based on the characteristic guarantee that block chain can not be distorted；2. video is stored separately with modification record, server where effectivelying prevent video the case where video and modification record are all tampered caused by malicious modification.
Description
Technical field
The present invention relates to video protection technical fields, are recorded more particularly, to a kind of vision operation based on block chain
Guard method and system.
Background technology
Current social, video monitoring are widely used in the multiple fields such as production, retail, public security.Had using video monitoring
Following advantage：It improves management supervision effect, reduce management cost, convenient monitoring management work, convenient for investigation and clearly defining responsibilities etc..
Video is passed through solves a case and solves all kinds of disputes frequently as vaild evidence auxiliary public security organ.However, how to ensure the authenticity of video
It is a serious problems with integrality.Video is mainly stored on server, is ensured by the security mechanism of server itself
The authenticity and integrity of video.However, this method can only resist the attack from external network, and insider can not be prevented
Member distorts the video on server.Video tampering detection is mainly carried out by technological means at present, includes based on motion vector
Detection method, the detection method based on textural characteristics combine matched detection method etc. based on Space-time domain.Confirming that video is usurped
After changing, it usually needs call to account.At this point, the evidence that System Operation Log is distorted history as essential record video.
Modification of the internal staff to video can not be prevented by relying solely on operation log.Skilled engineer can repair
The operation log that system records is changed again after changing video, covers video modification behavior completely.
Invention content
Behavior of the characteristic record user that method provided by the invention can not be distorted using block chain to video modification, effectively
Prevent video by malicious modification and fraud, ensures the authenticity and completeness of video modification record, carried for investigation and clearly defining responsibilities
For positive evidence.
To realize the above goal of the invention, the technical solution adopted is that：
A kind of vision operation record protection method based on block chain, includes following steps：
（One）Video modification record enters block for the first time：
1）Video is sent to video server by video terminal；
2）Video server gives one identifier of the video distribution；
3）Video server calculates the cryptographic Hash of the video；
4）Video identifier, timestamp and video cryptographic Hash are combined into video modification record and are sent to block chain by video server
Server；
5）Block chain server creates new block and stores video modification record；
（Two）Video enters block flow by modification rear video modification record：
6）User changes the video on video server；
7）Video server calculates the cryptographic Hash of modified video；
8）The cryptographic Hash of video identifier, timestamp and modification rear video is combined into newest video modification and remembered by video server
Record is sent to block chain server；
9）Block chain server according to the identifier of video traverses block and finds a nearest video of timestamp from back to front to be repaiied
Change record；
10）The cryptographic Hash of the nearest video modification record of block chain server computation times stamp is as last video modification
The cryptographic Hash of record；
11）Block where cryptographic Hash that block chain server records last video modification, last video modification record
Cryptographic Hash and the record combination of newest video modification form video modification record deposit block.
Preferably, described 11）The detailed process of middle deposit block is as follows：
a）Block chain server summarizes all video modifications record interior on the same day；
b）The quantity of block chain server statistics video modification record；
c）Block chain server calculates the Merkle roots of video modification record by Merkle tree algorithms；
d）Block chain server calculates the data cryptographic Hash being made of upper block cryptographic Hash, timestamp and Merkle roots as new
Generate the block head cryptographic Hash of block；
e）Block chain creation block, new block are made of two parts：Block head and block body；
f）Block body preserves video modification record；
g）Block head preserves the quantity that video modification records in block chain version number, block body, the cryptographic Hash of previous block head and
Local area build cryptographic Hash；
h）New block is connected to behind a block, forms block chain.
The present invention additionally provides a kind of system using above method simultaneously comprising：Video terminal, video server and
Block chain server.
Compared with prior art, the beneficial effects of the invention are as follows：
1. storing the authenticity and completeness of video modification record within a block based on the characteristic guarantee that block chain can not be distorted；
2. video is stored separately with modification record, it effectively prevent server video and modification caused by malicious modification where video
The case where record is all tampered.
Description of the drawings
Fig. 1 is step（One）Implementing procedure figure.
Fig. 2 is the structure chart of block.
Fig. 3 is the form figure of block chain.
Fig. 4 is the structural schematic diagram of system.
Specific implementation mode
The attached figures are only used for illustrative purposes and cannot be understood as limitating the patent；
Below in conjunction with drawings and examples, the present invention is further elaborated.
Embodiment 1
The vision operation record protection method based on block chain that the present invention provides a kind of, specifically includes following steps：
（One）Video modification record enters block for the first time, as shown in Figure 1, including the following steps：
1）Video is sent to video server by video terminal；
2）Video server gives one identifier of the video distribution；
3）Video server calculates the cryptographic Hash of the video；
4）Video identifier, timestamp and video cryptographic Hash are combined into video modification record and are sent to block chain by video server
Server；
5）Block chain server creates new block and stores video modification record；
（Two）Video enters block flow by modification rear video modification record：
6）User changes the video on video server；
7）Video server calculates the cryptographic Hash of modified video；
8）The cryptographic Hash of video identifier, timestamp and modification rear video is combined into newest video modification and remembered by video server
Record is sent to block chain server；
9）Block chain server according to the identifier of video traverses block and finds a nearest video of timestamp from back to front to be repaiied
Change record；
10）The cryptographic Hash of the nearest video modification record of block chain server computation times stamp is as last video modification
The cryptographic Hash of record；
11）Block where cryptographic Hash that block chain server records last video modification, last video modification record
Cryptographic Hash and the record combination of newest video modification form video modification record deposit block.
Wherein, described 11）The detailed process of middle deposit block is as follows：
a）Block chain server summarizes all video modifications record interior on the same day；
b）The quantity of block chain server statistics video modification record；
c）Block chain server calculates the Merkle roots of video modification record by Merkle tree algorithms；
d）Block chain server calculates the cryptographic Hash by upper block cryptographic Hash, timestamp and Merkle root composition datas as new
Generate the block head cryptographic Hash of block, i.e. Hash (upper block cryptographic Hash+timestamp+Merkle roots)；
e）Block chain creation block, new block are made of two parts：Block head and block body；
f）Block body preserves video modification record；
g）Block head preserves the quantity that video modification records in block chain version number, block body, the cryptographic Hash of previous block head and
Local area build cryptographic Hash；As shown in Figure 2,3；
h）New block is connected to behind a block, forms block chain.
Embodiment 2
A kind of system of 1 method of Application Example is present embodiments provided, as shown in Figure 4 comprising：Video terminal, video clothes
Business device and block chain server.
Obviously, the above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be pair
The restriction of embodiments of the present invention.For those of ordinary skill in the art, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all this
All any modification, equivalent and improvement etc., should be included in the claims in the present invention made by within the spirit and principle of invention
Protection domain within.
Claims (3)
1. a kind of vision operation record protection method based on block chain, it is characterised in that：Include following steps：
（One）Video modification record enters block for the first time：
1）Video is sent to video server by video terminal；
2）Video server gives one identifier of the video distribution；
3）Video server calculates the cryptographic Hash of the video；
4）Video identifier, timestamp and video cryptographic Hash are combined into video modification record and are sent to block chain by video server
Server；
5）Block chain server creates new block and stores video modification record；
（Two）Video enters block flow by modification rear video modification record：
6）User changes the video on video server；
7）Video server calculates the cryptographic Hash of modified video；
8）The cryptographic Hash of video identifier, timestamp and modification rear video is combined into newest video modification and remembered by video server
Record is sent to block chain server；
9）Block chain server according to the identifier of video traverses block and finds a nearest video of timestamp from back to front to be repaiied
Change record；
10）The cryptographic Hash of the nearest video modification record of block chain server computation times stamp is as last video modification
The cryptographic Hash of record；
11）Block where cryptographic Hash that block chain server records last video modification, last video modification record
Cryptographic Hash and the record combination of newest video modification form video modification record deposit block.
2. the vision operation record protection method according to claim 1 based on block chain, it is characterised in that：Described 11）
The detailed process of middle deposit block is as follows：
a）Block chain server summarizes all video modifications record interior on the same day；
b）The quantity of block chain server statistics video modification record；
c）Block chain server calculates the Merkle roots of video modification record by Merkle tree algorithms；
d）Block chain server calculates the data cryptographic Hash being made of upper block cryptographic Hash, timestamp and Merkle roots as new
Generate the block head cryptographic Hash of block；
e）Block chain creation block, new block are made of two parts：Block head and block body；
f）Block body preserves video modification record；
g）Block head preserves the quantity that video modification records in block chain version number, block body, the cryptographic Hash of previous block head and
Local area build cryptographic Hash；
h）New block is connected to behind a block, forms block chain.
3. a kind of system using claims 1 or 2 the method, it is characterised in that：Including video terminal, video server and
Block chain server.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810085754.XA CN108471510A (en) | 2018-01-29 | 2018-01-29 | A kind of vision operation record protection method and system based on block chain |
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| CN201810085754.XA CN108471510A (en) | 2018-01-29 | 2018-01-29 | A kind of vision operation record protection method and system based on block chain |
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Family
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| CN109543065A (en) * | 2018-11-14 | 2019-03-29 | 成都皓图智能科技有限责任公司 | A kind of video active identification method of combination block chain |
| CN111339574A (en) * | 2020-05-19 | 2020-06-26 | 卓尔智联(武汉)研究院有限公司 | Block data processing method and device, computer equipment and storage medium |
| CN111385511A (en) * | 2018-12-28 | 2020-07-07 | 杭州海康威视数字技术股份有限公司 | Video data processing method and device and video recording equipment |
| CN111625777A (en) * | 2019-02-28 | 2020-09-04 | 阿里巴巴集团控股有限公司 | Method and device for publishing work content and verifying intellectual property right |
| CN111770360A (en) * | 2020-07-09 | 2020-10-13 | 山东舜网传媒股份有限公司 | Method and system for marking whole flow of video manuscript collection, editing and auditing |
| CN111898164A (en) * | 2020-07-02 | 2020-11-06 | 武汉纺织大学 | Data integrity auditing method supporting tag block chain storage and query |
| CN113411614A (en) * | 2021-06-21 | 2021-09-17 | 环球数科集团有限公司 | Video protection system based on block chain technology and computer storage medium |
| CN114731457A (en) * | 2019-10-09 | 2022-07-08 | 索尼互动娱乐股份有限公司 | Counterfeit video detection using blockchains |
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| CN109543065A (en) * | 2018-11-14 | 2019-03-29 | 成都皓图智能科技有限责任公司 | A kind of video active identification method of combination block chain |
| CN109543065B (en) * | 2018-11-14 | 2023-04-28 | 成都皓图智能科技有限责任公司 | Video active identification method combined with block chain |
| CN111385511A (en) * | 2018-12-28 | 2020-07-07 | 杭州海康威视数字技术股份有限公司 | Video data processing method and device and video recording equipment |
| CN111625777B (en) * | 2019-02-28 | 2024-01-09 | 阿里巴巴集团控股有限公司 | Method and device for publishing content of work and verifying intellectual property |
| CN111625777A (en) * | 2019-02-28 | 2020-09-04 | 阿里巴巴集团控股有限公司 | Method and device for publishing work content and verifying intellectual property right |
| CN114731457A (en) * | 2019-10-09 | 2022-07-08 | 索尼互动娱乐股份有限公司 | Counterfeit video detection using blockchains |
| CN111339574B (en) * | 2020-05-19 | 2021-03-16 | 卓尔智联(武汉)研究院有限公司 | Block data processing method and device, computer equipment and storage medium |
| CN111339574A (en) * | 2020-05-19 | 2020-06-26 | 卓尔智联(武汉)研究院有限公司 | Block data processing method and device, computer equipment and storage medium |
| CN111898164A (en) * | 2020-07-02 | 2020-11-06 | 武汉纺织大学 | Data integrity auditing method supporting tag block chain storage and query |
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| CN111770360A (en) * | 2020-07-09 | 2020-10-13 | 山东舜网传媒股份有限公司 | Method and system for marking whole flow of video manuscript collection, editing and auditing |
| CN113411614A (en) * | 2021-06-21 | 2021-09-17 | 环球数科集团有限公司 | Video protection system based on block chain technology and computer storage medium |
| CN113411614B (en) * | 2021-06-21 | 2022-02-18 | 环球数科集团有限公司 | Video protection system based on block chain technology and computer storage medium |
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Application publication date: 20180831 |