CN111159651A - Block chain online evidence storage method and system - Google Patents
Block chain online evidence storage method and system Download PDFInfo
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- 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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- H—ELECTRICITY
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- H—ELECTRICITY
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Abstract
The invention provides a block chain certificate storing method and a block chain certificate storing system, wherein a certificate storing request sent by a terminal is received, and a chain is linked after a hash value is generated; receiving and storing an authority confirming file list, initiating an image obtaining request according to an address in the authority confirming file, downloading an image piece through a first platform by the image obtaining request, and obtaining an image identifier after uploading the image piece to an image server by the first platform; the first platform initiates a hash check request to the terminal server, the hash check request accesses the image server according to the image identifier to obtain first image data, hash comparison is carried out by the phoenix tree chain, a comparison result is obtained, and the comparison result is stored in the database. By adopting the block chain chaining technology, the data positioning and the uniqueness verification of the chaining of the original delivery certificate and the multi-party deposit certificate in the core transaction link are realized, and the fraud risk is reduced. By adopting the plane tree connection management, the block related information is graphically displayed in the node state through the block chain storage and verification platform.
Description
Technical Field
The invention relates to the technical field of information processing, in particular to a block chain online evidence storing method and system.
Background
With the application and popularization of mobile phone terminals and video technologies, the application requirements of authenticating people to write signature videos and authenticating people to photos for evidence storage and evidence collection are further urgent, and most of the current methods are to add and install APP by a general mobile phone and collect evidence by a digital watermark method.
Patent document CN109151157A discloses a multimedia digital watermark evidence obtaining mobile phone, which is an intelligent evidence obtaining mobile phone developed based on image, audio and video fragile digital watermark embedding and extracting technology, and by using the unique stability, privacy, security and vulnerability of fragile digital watermark, the integrity, reality, stability, reliability and authority of the multimedia data recorded by video recording are ensured. The user uses the mobile phone to embed imperceptible and unalterable fragile digital watermark information containing unique identity confirmation into the shot images, audios and videos in real time. The image, audio and video with the fragile watermark can be normally used and distributed, but can not be modified by any person. And identifying the authenticity of the file according to whether the shot digital file contains the digital watermark information. The problem with this approach is that the system design is complex and requires the delivery of encryption and decryption keys.
Patent document CN102118249A discloses a method for taking a picture and evidence based on a digital digest and a digital signature, which sends the digital digest of the photo information to a third-party evidence registration and preservation server when the photo information data is not stored, forms a digital signature by the third-party evidence registration and preservation server through private key encryption to ensure photo authenticity, sends time reference information by the third-party evidence registration and preservation server before shooting, generates a digital digest by calculating data obtained by superimposing the time reference information on the photo information data, and registers a receiving time when the third-party evidence registration and preservation server receives the digital digest to ensure photo shooting time authenticity. The problem of this method is that it is difficult to popularize on a large scale, and the transmission of the digital abstract is also required.
Disclosure of Invention
In view of the defects in the prior art, the present invention provides a block chain online evidence storing method and system.
The invention provides a block chain evidence storing method, which comprises the following steps:
image uplink step: receiving an authentication storage request sent by a terminal, calling a package SDK (software development kit) to enable the authentication storage request to generate a hash value, and then performing uplink transmission, wherein the uplink transmission is realized through a phoenix tree chain after the block chain receives the authentication storage request, and the uplink transmission result and the hash value are sent to a first platform, and the authentication storage request comprises image data and metadata;
a step of determining the right to store: receiving and storing an authority confirming file list, initiating an image obtaining request according to an address in the authority confirming file, downloading an image piece through a first platform by the image obtaining request, and obtaining an image identifier after uploading the image piece to an image server by the first platform;
and (3) Hash checking: the first platform initiates a hash check request to the terminal server, the hash check request accesses the image server according to the image identifier to obtain first image data, hash comparison is carried out by the phoenix tree chain, a comparison result is obtained, and the comparison result is stored in the database.
Preferably, the image uplink step includes:
a reading step: receiving uploaded image and metadata information transmitted by a sending terminal APP to form image metadata, and calling a first platform package SDK to generate a hash value;
and (3) certificate storage: the method comprises the steps that a first platform obtains a hash value and image metadata, calls a cochain interface to carry out cochain request, a block chain APP Server calls a certificate storage platform API after receiving the cochain request, cochain is realized through a phoenix chain SDK, and cochain results are returned to the first platform and stored in a public network certificate storage platform;
and (3) certificate transmission: and after receiving the uplink result, the first platform sends the hash value to the supply chain and notifies the hash value and the uplink result to the sending end APP.
Preferably, the right-confirming storing step includes:
a uploading step: the first platform receives the authority-confirming file list sent by the third-party platform, the authority-confirming file list is pushed to a server path set by a supply chain, the supply chain sets a timing scanning task, and the acquired authority-confirming file list is stored in a database;
a downloading step: initiating an image acquisition request according to an address in the right-confirming file list, wherein the image acquisition request downloads an image to be confirmed from a platform server through a first platform gateway;
identification: and uploading the downloaded image to be authenticated by the supply chain, uploading the image to be authenticated to a server through the load balance of the image platform, and returning an image identifier, wherein the image identifier is the unique identifier ID value of the image to be authenticated.
Preferably, the hash check step includes:
a request step: the method comprises the steps that a first platform receives a Hash check request sent by a supply chain, wherein the Hash check request is obtained through an APPServer;
a checking step: accessing an image server according to the image identifier to obtain first image data, calling a certificate storage API to obtain a chained hash value in a block chain, and performing hash comparison on the first image data by using a karaya chain SDK to obtain a comparison result;
and returning to the step: and storing the comparison result into a private chain, calling a timing service to store the comparison result into a local database, and sending the comparison result to a message management platform through the local database.
Preferably, the image data is an image to be authenticated, the metadata is attribute information of the image data, and the authentication file list includes a plurality of images to be authenticated.
The invention provides a block chain credit system, which comprises the following modules:
an image uplink module: receiving an authentication storage request sent by a terminal, calling a package SDK (software development kit) to enable the authentication storage request to generate a hash value, and then performing uplink transmission, wherein the uplink transmission is realized through a phoenix tree chain after the block chain receives the authentication storage request, and the uplink transmission result and the hash value are sent to a first platform, and the authentication storage request comprises image data and metadata;
the right confirming storage module: receiving and storing an authority confirming file list, initiating an image obtaining request according to an address in the authority confirming file, downloading an image piece through a first platform by the image obtaining request, and obtaining an image identifier after uploading the image piece to an image server by the first platform;
a hash check module: the first platform initiates a hash check request to the terminal server, the hash check request accesses the image server according to the image identifier to obtain first image data, hash comparison is carried out by the phoenix tree chain, a comparison result is obtained, and the comparison result is stored in the database.
Preferably, the image uplink module includes:
a reading module: receiving uploaded image and metadata information transmitted by a sending terminal APP to form image metadata, and calling a first platform package SDK to generate a hash value;
a certificate storage module: the method comprises the steps that a first platform obtains a hash value and image metadata, calls a cochain interface to carry out cochain request, a block chain APP Server calls a certificate storage platform API after receiving the cochain request, cochain is realized through a phoenix chain SDK, and cochain results are returned to the first platform and stored in a public network certificate storage platform;
and (3) a certificate passing module: and after receiving the uplink result, the first platform sends the hash value to the supply chain and notifies the hash value and the uplink result to the sending end APP.
Preferably, the right confirming storage module comprises:
an upper sending module: the first platform receives the authority-confirming file list sent by the third-party platform, the authority-confirming file list is pushed to a server path set by a supply chain, the supply chain sets a timing scanning task, and the acquired authority-confirming file list is stored in a database;
a downloading module: initiating an image acquisition request according to an address in the right-confirming file list, wherein the image acquisition request downloads an image to be confirmed from a platform server through a first platform gateway;
an identification module: and uploading the downloaded image to be authenticated by the supply chain, uploading the image to be authenticated to a server through the load balance of the image platform, and returning an image identifier, wherein the image identifier is the unique identifier ID value of the image to be authenticated.
Preferably, the hash check module includes:
a request module: the method comprises the steps that a first platform receives a Hash check request sent by a supply chain, wherein the Hash check request is obtained through an APPServer;
a checking module: accessing an image server according to the image identifier to obtain first image data, calling a certificate storage API to obtain a chained hash value in a block chain, and performing hash comparison on the first image data by using a karaya chain SDK to obtain a comparison result;
a return module: and storing the comparison result into a private chain, calling a timing service to store the comparison result into a local database, and sending the comparison result to a message management platform through the local database.
Compared with the prior art, the invention has the following beneficial effects:
1. by adopting the block chain chaining technology, the data positioning and the uniqueness verification of the original delivery certificate, namely the right confirming file, in the core transaction link, the chaining and multi-party deposit certificate of the image metadata, such as the size, the resolution and the like, including the partner and the notarization part, are realized, and the fraud risk is reduced;
2. by adopting the certificate storage platform, the display, the application management and the data authorization management of the uplink data are realized, users with different permission levels are set to check the block information, the function of a notarization is also provided, and the block chain anchors the hash information to a public network and then is in butt joint with a notarization position.
3. The plane tree chain is managed and monitored by adopting the plane tree chain, the management of the node certificate and the monitoring of the node state can be carried out, and the block state is graphically displayed by the block chain certificate storage platform.
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Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a data flow diagram of the present invention.
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that it would be obvious to those skilled in the art that various changes and modifications can be made without departing from the spirit of the invention. All falling within the scope of the present invention.
Firstly, receiving an authentication storage request sent by a terminal, calling a package SDK (software development kit) to enable the authentication storage request to generate a hash value, and then performing the uplink, wherein the uplink is realized by a phoenix chain after the block link receives the authentication storage request, and the uplink result and the hash value are sent to a first platform, and the authentication storage request comprises image data and metadata; secondly, receiving and storing an authority confirming file list, initiating an image obtaining request according to an address in the authority confirming file, downloading an image piece through a first platform by the image obtaining request, and obtaining an image identifier after the image piece is uploaded to an image server by the first platform; and finally, the first platform initiates a hash check request to the terminal server, the hash check request accesses the image server according to the image identifier to acquire first image data, and the hash comparison is performed by the phoenix tree chain to obtain a comparison result and store the comparison result in the database.
During uplink, receiving uploaded image and metadata information transmitted by a sending end APP to form image metadata, and calling a first platform package (SDK) to generate a hash value; the method comprises the steps that a first platform obtains a hash value and image metadata, calls a cochain interface to carry out cochain request, a block chain APP Server calls a certificate storage platform API after receiving the cochain request, cochain is realized through a phoenix chain SDK, and cochain results are returned to the first platform and stored in a public network certificate storage platform; and after receiving the uplink result, the first platform sends the hash value to the supply chain and notifies the hash value and the uplink result to the sending end APP.
During storage, the first platform receives the authority-confirming file list sent by the third-party platform, pushes the authority-confirming file list to a server path set by a supply chain, sets a timing scanning task by the supply chain, and stores the acquired authority-confirming file list to a database; initiating an image acquisition request according to an address in the right-confirming file list, wherein the image acquisition request downloads an image to be confirmed from a platform server through a first platform gateway; and uploading the downloaded image to be authenticated by the supply chain, uploading the image to be authenticated to a server through the load balance of the image platform, and returning an image identifier, wherein the image identifier is the unique identifier ID value of the image to be authenticated. The uploaded image is consistent with the right confirming file, the meta-information belongs to the attribute information of the image, and the image is stored in the local area and then uploaded to the Alice cloud server.
During verification, the first platform receives a hash verification request sent by a supply chain, wherein the hash verification request is acquired through an APPServer; accessing an image server according to the image identifier to obtain first image data, calling a certificate storage API to obtain a chained hash value in a block chain, and performing hash comparison on the first image data by using a karaya chain SDK to obtain a comparison result; and storing the comparison result into a private chain, calling a timing service to store the comparison result into a local database, and sending the comparison result to a message management platform through the local database.
In specific implementation, as shown in fig. 1, a sending end APP is a partner platform APP, image uploading and metadata information uploading are performed, then an SDK packaged by an open platform is called to generate a Hash, after the open platform obtains the Hash and the image metadata information, a back-end service calls an uplink interface to perform uplink operation, a block chain APP Server calls an authentication platform API after receiving a request, then uplink is realized through a phoenix chain SDK, then an uplink result is returned to the open platform, and after receiving the uplink result, the open platform calls an image Hash transmission interface through an ESB to send a Hash value to a supply chain; and finally, the open platform informs the cooperation platform of the Hash value and the uplink result.
The partner platform uploads an authority-confirming file list to an open platform through a VPN, the authority-confirming file list comprises a plurality of images to be compared and related item information of the images, the open platform receives the files and then pushes the files to a specific server path of a supply chain system, the supply chain scans the files by adopting a timed task and stores the files into a database of the partner, meanwhile, an image acquisition request is initiated according to an address in the list, and the request downloads an image piece from an Aliyun, namely a partner platform server through an open platform gateway; the supply chain uploads the downloaded entitlements image, and the image is uploaded to the server by the image platform F5 through load balancing and image ID information is returned.
The supply chain calls a service of the evidence storing block chain system through an ESB (enterprise service bus) to perform hash check, the system acquires a request through an APPServer, acquires an image according to an access image platform, performs hash comparison through a karaya SDK (software development kit) in a mode of accessing F5 through an API (application programming interface) of the evidence storing platform to obtain comparison result data and stores the comparison result data into a MySQL database; and the certificate storing block chain system returns the comparison result to the supply chain through an Enterprise Service Bus (ESB), and the supply chain stores the result information and returns the hash check result to the partner through the open platform.
Those skilled in the art will appreciate that, in addition to implementing the systems, apparatus, and various modules thereof provided by the present invention in purely computer readable program code, the same procedures can be implemented entirely by logically programming method steps such that the systems, apparatus, and various modules thereof are provided in the form of logic gates, switches, application specific integrated circuits, programmable logic controllers, embedded microcontrollers and the like. Therefore, the system, the device and the modules thereof provided by the present invention can be considered as a hardware component, and the modules included in the system, the device and the modules thereof for implementing various programs can also be considered as structures in the hardware component; modules for performing various functions may also be considered to be both software programs for performing the methods and structures within hardware components.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (10)
1. A block chain evidence storing method is characterized by comprising the following steps:
image uplink step: receiving an authentication storage request sent by a terminal, calling a package SDK (software development kit) to enable the authentication storage request to generate a hash value, and then performing uplink transmission, wherein the uplink transmission is realized through a phoenix tree chain after the block chain receives the authentication storage request, and the uplink transmission result and the hash value are sent to a first platform, and the authentication storage request comprises image data and metadata;
a step of determining the right to store: receiving and storing an authority confirming file list, initiating an image obtaining request according to an address in the authority confirming file, downloading an image piece through a first platform by the image obtaining request, and obtaining an image identifier after uploading the image piece to an image server by the first platform;
and (3) Hash checking: the first platform initiates a hash check request to the terminal server, the hash check request accesses the image server according to the image identifier to obtain first image data, hash comparison is carried out by the phoenix tree chain, a comparison result is obtained, and the comparison result is stored in the database.
2. The blockchain credentialing method of claim 1, wherein the image uplink step comprises:
a reading step: receiving uploaded image and metadata information transmitted by a sending terminal APP to form image metadata, and calling a first platform package SDK to generate a hash value;
and (3) certificate storage: the method comprises the steps that a first platform obtains a hash value and image metadata, calls a cochain interface to carry out cochain request, a block chain APP Server calls a certificate storage platform API after receiving the cochain request, cochain is realized through a phoenix chain SDK, and cochain results are returned to the first platform and stored in a public network certificate storage platform;
and (3) certificate transmission: and after receiving the uplink result, the first platform sends the hash value to the supply chain and notifies the hash value and the uplink result to the sending end APP.
3. The blockchain attestation method of claim 1, wherein the step of storing the certain rights comprises:
a uploading step: the first platform receives the authority-confirming file list sent by the third-party platform, the authority-confirming file list is pushed to a server path set by a supply chain, the supply chain sets a timing scanning task, and the acquired authority-confirming file list is stored in a database;
a downloading step: initiating an image acquisition request according to an address in the right-confirming file list, wherein the image acquisition request downloads an image to be confirmed from a platform server through a first platform gateway;
identification: and uploading the downloaded image to be authenticated by the supply chain, uploading the image to be authenticated to a server through the load balance of the image platform, and returning an image identifier, wherein the image identifier is the unique identifier ID value of the image to be authenticated.
4. The blockchain credentialing method of claim 1, wherein said hash checking step comprises:
a request step: the method comprises the steps that a first platform receives a Hash check request sent by a supply chain, wherein the Hash check request is obtained through an APPServer;
a checking step: accessing an image server according to the image identifier to obtain first image data, calling a certificate storage API to obtain a chained hash value in a block chain, and performing hash comparison on the first image data by using a karaya chain SDK to obtain a comparison result;
and returning to the step: and storing the comparison result into a private chain, calling a timing service to store the comparison result into a local database, and sending the comparison result to a message management platform through the local database.
5. The method of claim 1, wherein the image data is a pending image, the metadata is attribute information of the image data, and the pending image list comprises a plurality of pending images.
6. A blockchain credit system, comprising the following modules:
an image uplink module: receiving an authentication storage request sent by a terminal, calling a package SDK (software development kit) to enable the authentication storage request to generate a hash value, and then performing uplink transmission, wherein the uplink transmission is realized through a phoenix tree chain after the block chain receives the authentication storage request, and the uplink transmission result and the hash value are sent to a first platform, and the authentication storage request comprises image data and metadata;
the right confirming storage module: receiving and storing an authority confirming file list, initiating an image obtaining request according to an address in the authority confirming file, downloading an image piece through a first platform by the image obtaining request, and obtaining an image identifier after uploading the image piece to an image server by the first platform;
a hash check module: the first platform initiates a hash check request to the terminal server, the hash check request accesses the image server according to the image identifier to obtain first image data, hash comparison is carried out by the phoenix tree chain, a comparison result is obtained, and the comparison result is stored in the database.
7. The blockchain credit system of claim 6, wherein the image uplink module comprises:
a reading module: receiving uploaded image and metadata information transmitted by a sending terminal APP to form image metadata, and calling a first platform package SDK to generate a hash value;
a certificate storage module: the method comprises the steps that a first platform obtains a hash value and image metadata, calls a cochain interface to carry out cochain request, a block chain APP Server calls a certificate storage platform API after receiving the cochain request, cochain is realized through a phoenix chain SDK, and cochain results are returned to the first platform and stored in a public network certificate storage platform;
and (3) a certificate passing module: and after receiving the uplink result, the first platform sends the hash value to the supply chain and notifies the hash value and the uplink result to the sending end APP.
8. The blockchain credit system of claim 6, wherein the right-confirming storage module comprises:
an upper sending module: the first platform receives the authority-confirming file list sent by the third-party platform, the authority-confirming file list is pushed to a server path set by a supply chain, the supply chain sets a timing scanning task, and the acquired authority-confirming file list is stored in a database;
a downloading module: initiating an image acquisition request according to an address in the right-confirming file list, wherein the image acquisition request downloads an image to be confirmed from a platform server through a first platform gateway;
an identification module: and uploading the downloaded image to be authenticated by the supply chain, uploading the image to be authenticated to a server through the load balance of the image platform, and returning an image identifier, wherein the image identifier is the unique identifier ID value of the image to be authenticated.
9. The blockchain credit system of claim 6, wherein the hash check module comprises:
a request module: the method comprises the steps that a first platform receives a Hash check request sent by a supply chain, wherein the Hash check request is obtained through an APPServer;
a checking module: accessing an image server according to the image identifier to obtain first image data, calling a certificate storage API to obtain a chained hash value in a block chain, and performing hash comparison on the first image data by using a karaya chain SDK to obtain a comparison result;
a return module: and storing the comparison result into a private chain, calling a timing service to store the comparison result into a local database, and sending the comparison result to a message management platform through the local database.
10. The system as claimed in claim 6, wherein the image data is a pending image, the metadata is attribute information of the image data, and the pending image list comprises a plurality of pending images.
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| CN112671745A (en) * | 2020-12-17 | 2021-04-16 | 思创数码科技股份有限公司 | Data transmitting and receiving method, transmitting end and receiving end |
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| CN113378239A (en) * | 2021-06-16 | 2021-09-10 | 浪潮卓数大数据产业发展有限公司 | Data content right confirming method and system |
| CN113449268A (en) * | 2021-03-20 | 2021-09-28 | 图易(绍兴)信息技术有限公司 | Method for generating digital picture |
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