CN111159651B - Block chain online evidence-storing method and system - Google Patents
Block chain online evidence-storing method and system Download PDFInfo
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- CN111159651B CN111159651B CN201911158352.9A CN201911158352A CN111159651B CN 111159651 B CN111159651 B CN 111159651B CN 201911158352 A CN201911158352 A CN 201911158352A CN 111159651 B CN111159651 B CN 111159651B
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- 230000000977 initiatory effect Effects 0.000 claims abstract description 11
- 238000012795 verification Methods 0.000 claims abstract description 9
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
- G06Q50/10—Services
- G06Q50/18—Legal services; Handling legal documents
- G06Q50/184—Intellectual property management
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
- H04L9/0643—Hash functions, e.g. MD5, SHA, HMAC or f9 MAC
Abstract
The invention provides a block chain certification method and a system, which are used for receiving certification request sent by a terminal and generating a hash value for uplink; receiving and storing an acknowledgement file list, and initiating an image acquisition request according to an address in the acknowledgement file, wherein the image acquisition request downloads an image piece through a first platform, and the first platform uploads the image piece to an image server to acquire an image identifier; the first platform initiates a hash check request to a terminal server, the hash check request accesses an image server according to the image identifier to obtain first image data, hash comparison is carried out by a phoenix tree chain, and a comparison result is obtained and stored in a database. By adopting the blockchain uplink technology, the data positioning and the uniqueness verification of the uplink of the original delivery certificate and the multiparty certificate in the core transaction link are realized, and the fraud risk is reduced. Through adopting phoenix tree link management, the related information of the block is graphically displayed on the node state through a block chain certification platform.
Description
Technical Field
The invention relates to the technical field of information processing, in particular to a block chain online evidence storage method and system.
Background
Along with the application and popularization of mobile phone terminals and video technologies, the application demands of performing authentication and handwriting signature video and authentication and photo evidence collection on project sites are further urgent, but most of the current methods are to add an APP through a universal mobile phone and then use a digital watermark method to collect evidence.
Patent document CN109151157a discloses a multimedia digital watermark evidence obtaining mobile phone, which is an intelligent evidence obtaining mobile phone developed based on the technology of embedding and extracting fragile digital watermarks of images, audios and videos, and by utilizing the unique stability, privacy, safety and vulnerability of the fragile digital watermarks, the integrity, reality, stability, reliability and authority of the recorded multimedia data are ensured. The user uses the mobile phone to embed the fragile digital watermark information which is imperceptible and unmodified and contains unique identity confirmation in the photographed images, audio and video 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 photographed digital file contains the digital watermark information. The method has the problems that the system design is complex, and encryption and decryption keys need to be transmitted.
Patent document CN102118249a discloses a photographing evidence obtaining method based on a digital digest and a digital signature, wherein the digital digest of photo information is sent to a third party evidence registration and preservation server when photo information data is not stored yet, the third party evidence registration and preservation server encrypts with a private key to form a digital signature so as to ensure photo authenticity, the third party evidence registration and preservation server sends time reference information before photographing, data after the photo information data is overlapped with the time reference information is calculated to generate the digital digest, and when the third party evidence registration and preservation server receives the digital digest, the receiving time is registered so as to ensure photo photographing time authenticity. The method has the problems that the method is difficult to popularize on a large scale and the transmission of the digital abstract is also required.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a block chain online evidence-storing method and system.
The invention provides a blockchain certification method, which comprises the following steps:
and (3) image linking: receiving a certificate storage request sent by a terminal, calling a package SDK to enable the certificate storage request to generate a hash value, and then carrying out uplink, wherein the uplink is realized through a karaya chain after the certificate storage request is received by a block link, and a uplink result and the hash value are sent to a first platform, and the certificate storage request comprises image data and metadata;
and a right-confirming storage step: receiving and storing an acknowledgement file list, and initiating an image acquisition request according to an address in the acknowledgement file, wherein the image acquisition request downloads an image piece through a first platform, and the first platform uploads the image piece to an image server to acquire an image identifier;
hash checking: the first platform initiates a hash check request to a terminal server, the hash check request accesses an image server according to the image identifier to obtain first image data, hash comparison is carried out by a phoenix tree chain, and a comparison result is obtained and stored in a database.
Preferably, the image linking step includes:
a reading step: receiving uploaded image and metadata information sent by a sending end APP, forming image metadata, and calling a first platform package SDK to generate a hash value;
and (3) evidence storage: the first platform acquires the hash value and the image metadata, calls a uplink interface to carry out a uplink request, and after receiving the uplink request, the blockchain APP Server calls a certificate storing platform API, realizes uplink through a phoenix tree chain SDK, returns the uplink result to the first platform and stores the uplink result in a public network certificate storing platform;
a step of passing: after receiving the uplink result, the first platform sends the hash value to a supply chain, and notifies the hash value and the uplink result to a sender APP.
Preferably, the step of storing the right includes:
and (3) uploading: the first platform receives the validation file list sent by the third party platform, pushes the validation file list to a server path set by a supply chain, sets a timing scanning task by the supply chain, and stores the acquired validation file list to a database;
and (3) downloading: 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;
the identification step: the method comprises the steps that a supply chain uploads downloaded images to be confirmed, the images to be confirmed are uploaded to a server through image platform load balancing, and image identifiers are returned, wherein the image identifiers are unique identifier ID values of the images to be confirmed.
Preferably, the hash checking step includes:
the request steps are as follows: the method comprises the steps that a first platform receives a hash check request sent by a supply chain, and the hash check request is obtained through an APP Server;
and (3) checking: accessing an image server according to the image identifier to obtain first image data, calling a certificate storage API to obtain a hash value of the uplink in a blockchain, and carrying out hash comparison on the first image data by a karaya chain SDK to obtain a comparison result;
returning to the steps: 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 blockchain certification system, which comprises the following modules:
and the image uplink module is used for: receiving a certificate storage request sent by a terminal, calling a package SDK to enable the certificate storage request to generate a hash value, and then carrying out uplink, wherein the uplink is realized through a karaya chain after the certificate storage request is received by a block link, and a uplink result and the hash value are sent to a first platform, and the certificate storage request comprises image data and metadata;
and the right-confirming storage module is used for: receiving and storing an acknowledgement file list, and initiating an image acquisition request according to an address in the acknowledgement file, wherein the image acquisition request downloads an image piece through a first platform, and the first platform uploads the image piece to an image server to acquire an image identifier;
and a hash checking module: the first platform initiates a hash check request to a terminal server, the hash check request accesses an image server according to the image identifier to obtain first image data, hash comparison is carried out by a phoenix tree chain, and a comparison result is obtained and stored in a database.
Preferably, the image uplink module includes:
and a reading module: receiving uploaded image and metadata information sent by a sending end APP, forming image metadata, and calling a first platform package SDK to generate a hash value;
and a certificate storage module: the first platform acquires the hash value and the image metadata, calls a uplink interface to carry out a uplink request, and after receiving the uplink request, the blockchain APP Server calls a certificate storing platform API, realizes uplink through a phoenix tree chain SDK, returns the uplink result to the first platform and stores the uplink result in a public network certificate storing platform;
and a pass module: after receiving the uplink result, the first platform sends the hash value to a supply chain, and notifies the hash value and the uplink result to a sender APP.
Preferably, the right-determining storage module includes:
and (5) an upward feeding module: the first platform receives the validation file list sent by the third party platform, pushes the validation file list to a server path set by a supply chain, sets a timing scanning task by the supply chain, and stores the acquired validation file list to a database;
and (3) 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;
the identification module: the method comprises the steps that a supply chain uploads downloaded images to be confirmed, the images to be confirmed are uploaded to a server through image platform load balancing, and image identifiers are returned, wherein the image identifiers are unique identifier ID values of the images to be confirmed.
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, and the hash check request is obtained through an APP Server;
and a verification module: accessing an image server according to the image identifier to obtain first image data, calling a certificate storage API to obtain a hash value of the uplink in a blockchain, and carrying out hash comparison on the first image data by a karaya chain SDK to obtain a comparison result;
and (3) 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 blockchain uplink technology, the original delivery certificate, namely the right-confirming file, in the core transaction link, the uplink of image attribute information such as size, resolution and the like and multiparty certificate including a partner, a notarization department and the like are subjected to data positioning and uniqueness verification, so that the fraud risk is reduced;
2. through adopting the certification platform, the display, the application management and the data authorization management of the uplink data are realized, users with different authority levels are set to check block information, and in addition, the function of notarization is also provided, and the block chain anchors the hash information to the public network and then is in butt joint with the notarization.
3. By adopting the phoenix tree link management, the management and the monitoring of a phoenix tree chain are achieved, meanwhile, the management of a node certificate and the monitoring of a node state can be carried out, and the related information of the block is graphically displayed in the node state through the block chain certification platform.
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Other features, objects and advantages of the present invention will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
FIG. 1 is a schematic diagram of a data flow according to 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 present invention, but are not intended to limit the invention in any way. It should be noted that variations and modifications could be made by those skilled in the art without departing from the inventive concept. These are all within the scope of the present invention.
Firstly, receiving a certificate storage request sent by a terminal, calling a package SDK to enable the certificate storage request to generate a hash value, and then carrying out uplink, wherein the uplink is realized through a karaya chain after the certificate storage request is received by a block link, and a uplink result and the hash value are sent to a first platform, and the certificate storage request comprises image data and metadata; secondly, receiving and storing an acknowledgement file list, and initiating an image acquisition request according to an address in the acknowledgement file, wherein the image acquisition request downloads an image piece through a first platform, and the first platform uploads the image piece to an image server to acquire an image identifier; 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 obtain first image data, hash comparison is carried out by a phoenix tree chain, and a comparison result is obtained and stored in a database.
In the uplink process, receiving uploading image and metadata information sent by a sending end APP to form image metadata, and calling a first platform package SDK to generate a hash value; the first platform acquires the hash value and the image metadata, calls a uplink interface to carry out a uplink request, and after receiving the uplink request, the blockchain APP Server calls a certificate storing platform API, realizes uplink through a phoenix tree chain SDK, returns the uplink result to the first platform and stores the uplink result in a public network certificate storing platform; after receiving the uplink result, the first platform sends the hash value to a supply chain, and notifies the hash value and the uplink result to a sender APP.
When in storage, the first platform receives the validation file list sent by the third party platform, pushes the validation file list to a server path set by a supply chain, sets a timing scanning task by the supply chain, and stores the acquired validation 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; the method comprises the steps that a supply chain uploads downloaded images to be confirmed, the images to be confirmed are uploaded to a server through image platform load balancing, and image identifiers are returned, wherein the image identifiers are unique identifier ID values of the images to be confirmed. The uploaded image is consistent with the authorization file, the meta information belongs to attribute information of the image, and the image is firstly stored locally and then uploaded to the Arian cloud server.
During verification, the first platform receives a hash verification request sent by a supply chain, and the hash verification request is acquired through an APP Server; accessing an image server according to the image identifier to obtain first image data, calling a certificate storage API to obtain a hash value of the uplink in a blockchain, and carrying out hash comparison on the first image data by 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 transmitting end APP is a partner platform APP, performs image uploading and metadata information uploading, then invokes an SDK encapsulated by an open platform to generate Hash, after the open platform acquires the Hash and the image metadata information, invokes a chaining interface to perform chaining operation, and a blockchain APP Server invokes a certificate storage platform API after receiving a request, then realizes chaining through a karaya SDK, and then returns a chaining result to the open platform, and the open platform invokes an image Hash transmission interface to transmit a Hash value to a supply chain through an ESB after receiving the chaining result; finally, the open platform informs the partner platform of the Hash value and the uplink result.
The partner platform sends a right-confirming file list to an open platform through VPN, wherein the right-confirming file list comprises a plurality of images to be compared and related item information thereof, the open platform pushes the images to a specific server path of a supply chain system after receiving the files, the supply chain scans the files by adopting a timing task and stores the files in a host database, and meanwhile, an image acquisition request is initiated according to an address in the list, and the request downloads image pieces from an Arian cloud, namely a partner platform server through an open platform gateway; the supply chain uploads the downloaded confirmatory image, and the image is uploaded to the server through the image platform F5 in a load balancing mode and returns image ID information.
The supply chain invokes the service of the evidence-storing blockchain system to carry out hash check through the ESB, the system acquires a request through the APP Server, then acquires an image according to an access image platform, carries out hash comparison through the karaya link SDK in a mode of accessing F5 through an API of the evidence-storing platform, obtains comparison result data and stores the comparison result data in a MySQL database; the verification block chain system returns the comparison result to the supply chain through the enterprise service bus ESB, and the supply chain stores the result information and returns the hash verification result to the partner through the open platform.
Those skilled in the art will appreciate that the systems, apparatus, and their respective modules provided herein may be implemented entirely by logic programming of method steps such that the systems, apparatus, and their respective modules are implemented as logic gates, switches, application specific integrated circuits, programmable logic controllers, embedded microcontrollers, etc., in addition to the systems, apparatus, and their respective modules being implemented as pure computer readable program code. Therefore, the system, the apparatus, and the respective modules thereof provided by the present invention may be regarded as one hardware component, and the modules included therein for implementing various programs may also be regarded as structures within the hardware component; modules for implementing various functions may also be regarded as being either software programs for implementing the methods or structures within hardware components.
The foregoing describes specific embodiments of the present invention. It is to be understood that the invention is not limited to the particular embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without affecting the spirit of the invention. The embodiments of the present application and features in the embodiments may be combined with each other arbitrarily without conflict.
Claims (4)
1. A blockchain certification method, comprising the steps of:
and (3) image linking: receiving a certificate storage request sent by a terminal, calling a package SDK to enable the certificate storage request to generate a hash value, and then carrying out uplink, wherein the uplink is realized through a karaya chain after the certificate storage request is received by a block link, and a uplink result and the hash value are sent to a first platform, and the certificate storage request comprises image data and metadata;
and a right-confirming storage step: receiving and storing an acknowledgement file list, and initiating an image acquisition request according to an address in the acknowledgement file, wherein the image acquisition request downloads an image piece through a first platform, and the first platform uploads the image piece to an image server to acquire an image identifier;
hash checking: the method comprises the steps that a first platform initiates a hash check request to a terminal server, the hash check request accesses an image server according to an image identifier to obtain first image data, hash comparison is carried out by a phoenix tree chain, and a comparison result is obtained and stored in a database;
the image linking step comprises the following steps:
a reading step: receiving uploaded image and metadata information sent by a sending end APP, forming image metadata, and calling a first platform package SDK to generate a hash value;
and (3) evidence storage: the first platform acquires the hash value and the image metadata, calls a uplink interface to carry out a uplink request, and after receiving the uplink request, the blockchain APP Server calls a certificate storing platform API, realizes uplink through a phoenix tree chain SDK, returns the uplink result to the first platform and stores the uplink result in a public network certificate storing platform;
a step of passing: after receiving the uplink result, the first platform sends the hash value to a supply chain, and notifies the hash value and the uplink result to a sending end APP;
the step of storing the right comprises the following steps:
and (3) uploading: the first platform receives the validation file list sent by the third party platform, pushes the validation file list to a server path set by a supply chain, sets a timing scanning task by the supply chain, and stores the acquired validation file list to a database;
and (3) downloading: 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;
the identification step: uploading the downloaded right-to-be-confirmed image by a supply chain, uploading the right-to-be-confirmed image to a server through image platform load balancing, and returning an image identifier, wherein the image identifier is a unique identifier ID value of the right-to-be-confirmed image;
the hash checking step comprises the following steps:
the request steps are as follows: the method comprises the steps that a first platform receives a hash check request sent by a supply chain, and the hash check request is obtained through an APP Server;
and (3) checking: accessing an image server according to the image identifier to obtain first image data, calling a certificate storage API to obtain a hash value of the uplink in a blockchain, and carrying out hash comparison on the first image data by a karaya chain SDK to obtain a comparison result;
returning to the steps: 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.
2. The blockchain certification method of claim 1, wherein the image data is an image to be certified, the metadata is attribute information of the image data, and the certification file list includes a plurality of images to be certified.
3. A blockchain certification system, comprising the following modules:
and the image uplink module is used for: receiving a certificate storage request sent by a terminal, calling a package SDK to enable the certificate storage request to generate a hash value, and then carrying out uplink, wherein the uplink is realized through a karaya chain after the certificate storage request is received by a block link, and a uplink result and the hash value are sent to a first platform, and the certificate storage request comprises image data and metadata;
and the right-confirming storage module is used for: receiving and storing an acknowledgement file list, and initiating an image acquisition request according to an address in the acknowledgement file, wherein the image acquisition request downloads an image piece through a first platform, and the first platform uploads the image piece to an image server to acquire an image identifier;
and a hash checking module: the method comprises the steps that a first platform initiates a hash check request to a terminal server, the hash check request accesses an image server according to an image identifier to obtain first image data, hash comparison is carried out by a phoenix tree chain, and a comparison result is obtained and stored in a database;
the image uplink module comprises:
and a reading module: receiving uploaded image and metadata information sent by a sending end APP, forming image metadata, and calling a first platform package SDK to generate a hash value;
and a certificate storage module: the first platform acquires the hash value and the image metadata, calls a uplink interface to carry out a uplink request, and after receiving the uplink request, the blockchain APP Server calls a certificate storing platform API, realizes uplink through a phoenix tree chain SDK, returns the uplink result to the first platform and stores the uplink result in a public network certificate storing platform;
and a pass module: after receiving the uplink result, the first platform sends the hash value to a supply chain, and notifies the hash value and the uplink result to a sending end APP;
the right-determining storage module comprises:
and (5) an upward feeding module: the first platform receives the validation file list sent by the third party platform, pushes the validation file list to a server path set by a supply chain, sets a timing scanning task by the supply chain, and stores the acquired validation file list to a database;
and (3) 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;
the identification module: uploading the downloaded right-to-be-confirmed image by a supply chain, uploading the right-to-be-confirmed image to a server through image platform load balancing, and returning an image identifier, wherein the image identifier is a unique identifier ID value of the right-to-be-confirmed image;
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, and the hash check request is obtained through an APP Server;
and a verification module: accessing an image server according to the image identifier to obtain first image data, calling a certificate storage API to obtain a hash value of the uplink in a blockchain, and carrying out hash comparison on the first image data by a karaya chain SDK to obtain a comparison result;
and (3) 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.
4. The blockchain certification system of claim 3, wherein the image data is an image to be certified, the metadata is attribute information of the image data, and the certification file list includes a plurality of images to be certified.
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