CN111581666B - Ultrasonic data management system and method based on blockchain - Google Patents
Ultrasonic data management system and method based on blockchain Download PDFInfo
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- 238000013523 data management Methods 0.000 title claims abstract description 59
- 238000000034 method Methods 0.000 title claims abstract description 28
- 230000004048 modification Effects 0.000 claims abstract description 110
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- 238000013500 data storage Methods 0.000 claims abstract description 15
- 230000008569 process Effects 0.000 claims abstract description 14
- 238000002604 ultrasonography Methods 0.000 claims description 62
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules
- G06F21/6218—Protecting access to data via a platform, e.g. using keys or access control rules to a system of files or objects, e.g. local or distributed file system or database
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
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Abstract
The invention provides an ultrasonic data management system based on a block chain, which relates to the technical field of data management and comprises the following components: each user terminal comprises a data storage module, and the data storage modules of all the user terminals are connected with each other to form a blockchain network; the user side processes the ultrasonic data file to obtain an associated ultrasonic identity code and an encryption check code; uploading an ultrasonic data file and an ultrasonic identity code to a cloud storage server for storage, and sending the ultrasonic identity code and an encryption check code to a blockchain network for distributed storage; and carrying out data management on the ultrasonic data file stored in the cloud storage server according to the ultrasonic identity code and the encryption check code stored in the blockchain network. The method has the advantages that illegal modification of the ultrasonic data file stored in the cloud server is effectively prevented, and accuracy and authority of the ultrasonic data file are guaranteed.
Description
Technical Field
The invention relates to the technical field of data management, in particular to an ultrasonic data management system and method based on a blockchain.
Background
Ultrasound data includes ultrasound images, typically with corresponding ultrasound annotations, and structured reports, typically containing diagnostic information of a physician and ultrasound findings. In the process of ultrasonic data management in hospitals, in order to realize sharing and modern management of ultrasonic data and meet the needs of various medical staff, the ultrasonic data is usually stored in a cloud server. However, the doctor who gives the above ultrasound annotation, diagnosis information and ultrasound can modify the ultrasound data in the cloud server, and other people except the doctor may have corresponding modification rights, so that the accuracy and authority of the ultrasound data cannot be ensured.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides an ultrasonic data management system based on a block chain, which specifically comprises the following steps:
each user terminal comprises a data storage module, and the data storage modules of all the user terminals are connected with each other to form a blockchain network;
each of the clients further includes:
the data processing module is used for uploading an ultrasonic data file obtained by ultrasonic scanning by a user, and processing the ultrasonic data file to obtain an ultrasonic identity code and an encryption check code associated with the ultrasonic data file;
the data transmission module is respectively connected with the data storage module and the data processing module and is used for uploading the ultrasonic data file and the ultrasonic identity code associated with the ultrasonic data file to the cloud storage server for storage, and sending the ultrasonic identity code and the encryption check code associated with the ultrasonic data file to the blockchain network for distributed storage;
the data management module is connected with the data storage module and is used for accessing the blockchain network according to an external data management request and carrying out data management on the ultrasonic data file stored in the cloud storage server according to the ultrasonic identity code and the encryption check code stored in the blockchain network.
Preferably, the data processing module includes:
the user operation unit is used for uploading the obtained ultrasonic data file of ultrasonic scanning by the user;
the code generating unit is connected with the user operation unit and is used for carrying out unique identity coding on the ultrasonic data file to obtain the corresponding ultrasonic identity code;
and the data encryption unit is connected with the user operation unit and is used for carrying out encryption processing on the ultrasonic data file to obtain the encryption check code corresponding to the ultrasonic data file.
Preferably, the data management request is a data search request including the ultrasonic identity code, and the data management module includes a data search unit, where the data search unit includes:
the first searching subunit is used for accessing the blockchain network according to the data searching request and extracting the encryption check code associated with the ultrasonic identity code from the blockchain network;
the second searching subunit is used for extracting the ultrasonic data file associated with the ultrasonic identity code from the cloud storage server according to the ultrasonic identity code, and encrypting the ultrasonic data file to obtain a real-time check code corresponding to the ultrasonic data file;
the result output subunit is respectively connected with the first searching subunit and the second searching subunit and is used for matching the real-time check code with the encrypted check code, giving a data invalidation prompt when the real-time check code is not matched with the check code, and outputting the ultrasonic data file for a user to check when the real-time check code is matched with the check code.
Preferably, the data management request is a data modification request including an ultrasound data modification file and the ultrasound identity code associated with the ultrasound data modification file, and the data management module further includes a data modification unit, where the data modification unit includes:
the encryption subunit is used for carrying out encryption processing on the ultrasonic data modification file according to the data modification request to obtain a modification check code corresponding to the ultrasonic data modification file;
the verification subunit is connected with the encryption subunit and used for accessing the blockchain network according to the data modification request so as to acquire the encryption check code associated with the ultrasonic identity code, match the encryption check code with the modification check code, output a first verification result when the check code is matched with the modification check code, and output a second verification result when the check code is not matched with the modification check code;
the first modification subunit is connected with the verification subunit and used for accessing the blockchain network according to the first verification result and adding the ultrasonic identity code and the modification check code into the blockchain network for storage;
and the second modification subunit is connected with the data verification unit and is used for accessing the blockchain platform according to the second verification result, adding the ultrasonic identity code and the modification check code into the blockchain network for storage, and covering the ultrasonic data file associated with the ultrasonic identity code stored in the cloud storage server by adopting the ultrasonic data modification file.
Preferably, the blockchain network includes: a data layer, a network layer, a consensus layer, and a contract layer.
Preferably, the encryption processing is performed by adopting an MD5 irreversible encryption algorithm, and the verification code obtained by encryption is an MD5 value.
A blockchain-based ultrasound data management method, to which the blockchain-based ultrasound data management system of any one of the above is applied, the ultrasound data management method specifically comprising:
step S1, the client acquires an ultrasonic data file obtained by ultrasonic scanning, and processes the ultrasonic data file to obtain an ultrasonic identity code and an encryption check code associated with the ultrasonic data file;
step S2, the client transmits the ultrasonic data file and the ultrasonic identity code associated with the ultrasonic data file to the cloud storage server for storage, and transmits the ultrasonic identity code and the encryption check code associated with the ultrasonic data file to the blockchain network for distributed storage;
and S3, the client accesses the blockchain network according to an external data management request, and performs data management on the ultrasonic data file stored in the cloud storage server according to the ultrasonic identity code and the encryption check code stored in the blockchain network.
Preferably, the step S1 includes:
step S11, the client acquires the obtained ultrasonic data file of ultrasonic scanning;
step S12, the client acquires the unique identity code of the ultrasonic data file to obtain the corresponding ultrasonic identity code;
and S13, the client acquires the encryption check code corresponding to the ultrasonic data file by carrying out encryption processing on the ultrasonic data file.
Preferably, the data management request is a data search request including the ultrasonic identity code, and further includes a process of searching for data according to an external data search request, specifically including:
a1, the client accesses the blockchain network according to the data search request, and extracts the encryption check code associated with the ultrasonic identity code from the blockchain network;
step A2, the client extracts ultrasonic data files associated with the ultrasonic identity codes from the cloud storage server according to the ultrasonic identity codes, and encrypts the ultrasonic data files to obtain real-time check codes corresponding to the ultrasonic data files;
and A3, the client matches the real-time check code with the check code, gives a data invalidation prompt when the real-time check code is not matched with the check code, and outputs the ultrasonic data file for a user to check when the real-time check code is matched with the check code.
Preferably, the data management request is a data modification request including an ultrasound data modification file and the ultrasound identity code associated with the ultrasound data modification file, and further includes a process of performing data modification according to an external data modification request, specifically including:
step B1, the client encrypts the ultrasonic data modification file according to the data modification request to obtain a modification check code corresponding to the ultrasonic data modification file;
step B2, the client accesses the blockchain network according to the ultrasonic identity code to acquire the encrypted check code associated with the ultrasonic identity code, and matches the encrypted check code with the modified check code:
if the encryption check code is matched with the modification check code, turning to a step B3;
if the encryption check code is not matched with the modification check code, turning to a step B4;
step B3, the client accesses the blockchain network, adds the ultrasonic identity code and the modification check code to the blockchain network for storage, and then exits;
and B4, the client accesses the blockchain network, adds the ultrasonic identity code and the modification check code into the blockchain network for storage, and covers the ultrasonic data file associated with the ultrasonic identity code stored in the cloud storage server by adopting the ultrasonic data modification file.
The technical scheme has the following advantages or beneficial effects: the method effectively prevents illegal modification of the ultrasonic data file stored in the cloud server, and ensures the accuracy and authority of the ultrasonic data file.
Drawings
FIG. 1 is a schematic diagram of a block chain based ultrasound data management system in accordance with a preferred embodiment of the present invention;
FIG. 2 is a schematic diagram of a block chain network according to a preferred embodiment of the present invention;
FIG. 3 is a block chain network architecture diagram of a preferred embodiment of the present invention;
FIG. 4 is a flow chart of a method for managing ultrasound data based on a blockchain in accordance with the preferred embodiment of the present invention;
FIG. 5 is a flow chart illustrating the processing of an ultrasound data file according to a preferred embodiment of the present invention;
FIG. 6 is a flow chart illustrating a process of searching data according to the preferred embodiment of the present invention;
FIG. 7 is a flow chart illustrating a data modification process according to a preferred embodiment of the present invention.
Detailed Description
The invention will now be described in detail with reference to the drawings and specific examples. The present invention is not limited to the embodiment, and other embodiments may fall within the scope of the present invention as long as they conform to the gist of the present invention.
In accordance with the foregoing problems with the prior art, the present invention provides, in a preferred embodiment, a blockchain-based ultrasound data management system, as shown in fig. 1 and 2, comprising:
the system comprises a plurality of user terminals 1 and a cloud storage server 2 connected with each user terminal 1, wherein each user terminal 1 comprises a data storage module 11, and the data storage modules 11 of all the user terminals 1 are connected with each other to form a blockchain network 3;
each client 1 further comprises:
the data processing module 12 is used for uploading the ultrasonic data file obtained by ultrasonic scanning by a user and processing the ultrasonic data file to obtain an ultrasonic identity code and an encryption check code associated with the ultrasonic data file;
the data transmission module 13 is respectively connected with the data storage module 11 and the data processing module 12, and is used for uploading the ultrasonic data file and the ultrasonic identity code associated with the ultrasonic data file to the cloud storage server 2 for storage, and sending the ultrasonic identity code and the encryption check code associated with the ultrasonic data file to the blockchain network 3 for distributed storage;
the data management module 14 is connected to the data storage module 11, and is configured to access the blockchain network 3 according to an external data management request, and perform data management on the ultrasonic data file stored in the cloud storage server 2 according to the ultrasonic identity code and the encryption check code stored in the blockchain network.
Specifically, in this embodiment, the user side 1 of the present invention is preferably an SDK user layer, which is used for managing an ultrasound data file, is responsible for service logic interaction, provides a function of uploading the ultrasound data file and related information, and provides a query function for a user. The SDK user layer preferably has two application modes, the first is deployed directly to a PC or a mobile terminal as an application program mode, and the second is used for being provided for a third party application in an SDK packaging mode and used in combination with the ultrasonic data management system of the invention. The format of the ultrasound data file is preferably DICOM format. The blockchain network 3 uses a blockchain protocol, the blockchain network 3 does not store ultrasonic data files, and only stores unique ultrasonic identity codes of the ultrasonic data files in the cloud storage server 2 and encrypts the ultrasonic data files to obtain encrypted check codes. The cloud storage server 2 is used for storing the ultrasonic data file and the unique ultrasonic identity code associated with the ultrasonic data file.
As a preferred embodiment, before the data management of the ultrasound data file, the user terminal 1 preferably inputs the corresponding user name and login password through the login interface for the doctor to log in, and more preferably generates a user public key for accessing the blockchain network 3 by using the hardware information according to the user name, the login password and other associated login information. The blockchain network 3 includes a plurality of blockchain nodes, each of which corresponds to a data storage module 11 of each client 1. When receiving the ultrasonic data files to be stored, the user side 1 firstly carries out identity coding on the ultrasonic data files to obtain unique ultrasonic identity codes corresponding to each ultrasonic data file, simultaneously carries out encryption processing on the ultrasonic data files to obtain encryption check codes corresponding to encryption algorithms, then stores the ultrasonic identity codes and the encryption check codes into the blockchain network 3, and simultaneously stores the ultrasonic identity codes and the ultrasonic data files into the cloud storage server 2 in a centralized mode. Each ultrasound data file has a unique ultrasound identity code that remains unchanged even if the ultrasound data file is modified.
Further specifically, when the search operation of the ultrasonic data file is required, the blockchain network 3 is accessed according to the public key of the user to confirm that the operator has corresponding operation authority, meanwhile, the encrypted check code associated with the ultrasonic identity code is obtained from the blockchain network 3 through the ultrasonic identity code of the ultrasonic data file to be searched, then the ultrasonic data file corresponding to the ultrasonic identity code is obtained from the cloud storage server 2 according to the ultrasonic identity code, then the ultrasonic data file is encrypted to obtain the real-time check code of the ultrasonic data file, and the information whether the ultrasonic data file is modified can be obtained by matching the originally stored encrypted check code with the real-time check code. That is, when the originally stored encrypted check code is matched with the real-time check code, it is indicated that the ultrasonic data file is not modified and is valid data, and the ultrasonic data file is output to the user terminal 1 at this time, so that the user of the user terminal 1 can check the ultrasonic data file. If the original stored encryption check code is not matched with the real-time check code, the ultrasonic data file is modified to be invalid data, and a data invalidation prompt is given at the moment so as to be checked by a user of the user terminal 1.
Further, when the modification operation of the ultrasound data file is required, the ultrasound identity code of the ultrasound data modification file to be modified is known, and the ultrasound data modification file is preferably encrypted again to obtain a modification check code corresponding to the ultrasound data modification file, and unlike the newly added data, the ultrasound data modification file is preferably subjected to data verification first to determine whether to update the data of the cloud storage server 2. The verification preferably matches the modification check code with the encryption check code stored in the blockchain network 3, and if the modification check code matches the encryption check code, the cloud storage server 2 does not need to be updated with data, and only the modification record of the time, namely, the modification check code and the corresponding ultrasonic identity code are stored as a piece of newly added information to the blockchain network 3. If the modified check code is not matched with the check code, the modified check code and the corresponding ultrasonic identity code are required to be stored as a piece of newly added information to the blockchain network 3, and meanwhile, the ultrasonic data modification file is used for covering the ultrasonic data file which is stored in the cloud storage server 2 in advance so as to update the cloud storage server 2.
In summary, the ultrasonic data management system of the invention needs to carry out encryption processing and verification code verification when carrying out modification and search of ultrasonic data files, thereby effectively preventing illegal modification and ensuring the accuracy and authority of the ultrasonic data files.
In the preferred embodiment of the present invention, the data processing module 12 includes:
a user operation unit 121, configured to upload an obtained ultrasound data file for ultrasound scanning by a user;
the code generating unit 122 is connected with the user operation unit 121 and is used for performing unique identity coding on the ultrasonic data file to obtain a corresponding ultrasonic identity code;
the data encryption unit 123 is connected to the user operation unit 122, and is configured to encrypt the ultrasonic data file to obtain an encrypted check code corresponding to the ultrasonic data file.
In the preferred embodiment of the present invention, the data management request is a data search request including an ultrasonic identity code, and the data management module 14 includes a data search unit 141, where the data search unit 141 includes:
a first searching subunit 1411, configured to access the blockchain network according to the data searching request, and extract, from the blockchain network, an encrypted check code associated with the ultrasonic identity code;
the second searching subunit 1412 is configured to extract, from the cloud storage server, an ultrasonic data file associated with the ultrasonic identity code according to the ultrasonic identity code, and encrypt the ultrasonic data file to obtain a real-time check code corresponding to the ultrasonic data file;
the result output subunit 1413 is respectively connected to the first search subunit 1411 and the second search subunit 1412, and is configured to match the real-time check code with the encrypted check code, give a data invalidation prompt when the real-time check code is not matched with the check code, and output an ultrasonic data file for viewing by a user when the real-time check code is matched with the check code.
In the preferred embodiment of the present invention, the data management request is a data modification request including an ultrasound data modification file and an ultrasound identity code associated with the ultrasound data modification file, and the data management module 14 further includes a data modification unit 142, where the data modification unit 142 includes:
an encryption subunit 1421, configured to encrypt the ultrasound data modification file according to the data modification request, to obtain a modification check code corresponding to the ultrasound data modification file;
a verification subunit 1422 connected to the encryption subunit 1421, and configured to access the blockchain network according to the data modification request, so as to obtain an encrypted check code associated with the ultrasonic identity code, match the encrypted check code with the modified check code, output a first verification result when the check code is matched with the modified check code, and output a second verification result when the check code is not matched with the modified check code;
a first modification subunit 1423, connected to the verification subunit 1422, configured to access the blockchain network according to the first verification result, and add the ultrasonic identity code and the modification check code to the blockchain network for saving;
the second modification subunit 1424 is connected to the data verification unit 1422, and is configured to access the blockchain platform according to the second verification result, add the ultrasonic identity code and the modification verification code to the blockchain network for saving, and cover the ultrasonic data file associated with the ultrasonic identity code saved in the cloud storage server with the ultrasonic data modification file.
In a preferred embodiment of the present invention, as shown in FIG. 3, the blockchain network 3 includes: a data layer 31, a network layer 32, a consensus layer 33 and a contract layer 34.
Specifically, in this embodiment, the data layer 31 is configured to store the unique ultrasonic identity code of the ultrasonic data file and the content fingerprint, creator or modifier of the ultrasonic data MD5, where these are encrypted and stored in the distributed ledger; the network layer 32 is essentially a P2P (point-to-point) network, in which all user layer users and servers are distributed among the nodes, and the transmission of information is also between the two nodes. The consensus layer 33 uses the BFT approach to solve the consensus mechanism and asserts this record as valid once most endpoints confirm that it is valid. The contract layer 34 is used for placing intelligent contracts of applications, and the departure mechanism of the consensus layer 33.
In the preferred embodiment of the invention, the encryption processing is performed by adopting an MD5 irreversible encryption algorithm, and the verification code obtained by encryption is an MD5 value.
The blockchain-based ultrasonic data management method, as shown in fig. 4, is applied to any one of the above blockchain-based ultrasonic data management systems, and specifically includes:
step S1, a client acquires an ultrasonic data file obtained by ultrasonic scanning, and processes the ultrasonic data file to obtain an ultrasonic identity code and an encryption check code associated with the ultrasonic data file;
step S2, the client transmits the ultrasonic data file and the ultrasonic identity code associated with the ultrasonic data file to the cloud storage server for storage, and transmits the ultrasonic identity code and the encryption check code associated with the ultrasonic data file to the blockchain network for distributed storage;
and S3, the client accesses the blockchain network according to an external data management request, and performs data management on the ultrasonic data file stored in the cloud storage server according to the ultrasonic identity code and the encryption check code stored in the blockchain network.
In a preferred embodiment of the present invention, as shown in fig. 5, step S1 includes:
step S11, the client acquires an ultrasonic data file obtained by ultrasonic scanning;
step S12, the client acquires the unique identity code of the ultrasonic data file to obtain the corresponding ultrasonic identity code;
and S13, the client acquires an encryption check code corresponding to the ultrasonic data file obtained by carrying out encryption processing on the ultrasonic data file.
In a preferred embodiment of the present invention, the data management request is a data search request including an ultrasonic identity code, and further includes a process of searching for data according to an external data search request, as shown in fig. 6, specifically including:
step A1, a client accesses a blockchain network according to a data search request, and extracts an encryption check code associated with ultrasonic identity codes from the blockchain network;
step A2, the client extracts ultrasonic data files associated with the ultrasonic identity codes from the cloud storage server according to the ultrasonic identity codes, and encrypts the ultrasonic data files to obtain real-time check codes corresponding to the ultrasonic data files;
and step A3, the client matches the real-time check code with the check code, gives a data invalidation prompt when the real-time check code is not matched with the check code, and outputs an ultrasonic data file for a user to check when the real-time check code is matched with the check code.
In a preferred embodiment of the present invention, the data management request is a data modification request including an ultrasound data modification file and an ultrasound identity code associated with the ultrasound data modification file, and further includes a process of performing data modification according to an external data modification request, as shown in fig. 7, specifically including:
step B1, the client encrypts the ultrasonic data modification file according to the data modification request to obtain a modification check code corresponding to the ultrasonic data modification file;
step B2, the client accesses the blockchain network according to the ultrasonic identity codes to acquire the encrypted check codes associated with the ultrasonic identity codes, and matches the encrypted check codes with the modified check codes:
if the encryption check code is matched with the modification check code, turning to the step B3;
if the encryption check code is not matched with the modification check code, turning to the step B4;
step B3, the client accesses the blockchain network, adds the ultrasonic identity code and the modification check code into the blockchain network for storage, and then exits;
and B4, the client accesses the blockchain network, adds the ultrasonic identity code and the modification check code to the blockchain network for storage, and covers the ultrasonic data file associated with the ultrasonic identity code stored in the cloud storage server by adopting the ultrasonic data modification file.
The foregoing description is only illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, and it will be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and drawings, and are intended to be included within the scope of the present invention.
Claims (8)
1. A blockchain-based ultrasound data management system, comprising in particular:
each user terminal comprises a data storage module, and the data storage modules of all the user terminals are connected with each other to form a blockchain network;
each of the clients further includes:
the data processing module is used for uploading an ultrasonic data file obtained by ultrasonic scanning by a user, and processing the ultrasonic data file to obtain an ultrasonic identity code and an encryption check code associated with the ultrasonic data file;
the data transmission module is respectively connected with the data storage module and the data processing module and is used for uploading the ultrasonic data file and the ultrasonic identity code associated with the ultrasonic data file to the cloud storage server for storage, and sending the ultrasonic identity code and the encryption check code associated with the ultrasonic data file to the blockchain network for distributed storage;
the data management module is connected with the data storage module and is used for accessing the blockchain network according to an external data management request and carrying out data management on the ultrasonic data file stored in the cloud storage server according to the ultrasonic identity code and the encryption check code stored in the blockchain network;
the data processing module comprises:
the user operation unit is used for uploading the obtained ultrasonic data file of ultrasonic scanning by the user;
the code generating unit is connected with the user operation unit and is used for carrying out unique identity coding on the ultrasonic data file to obtain the corresponding ultrasonic identity code;
the data encryption unit is connected with the user operation unit and is used for carrying out encryption processing on the ultrasonic data file to obtain the encryption check code corresponding to the ultrasonic data file; the data management request is a data modification request including an ultrasound data modification file and the ultrasound identity code associated with the ultrasound data modification file, and the data management module further includes a data modification unit, the data modification unit includes:
the encryption subunit is used for carrying out encryption processing on the ultrasonic data modification file according to the data modification request to obtain a modification check code corresponding to the ultrasonic data modification file;
the verification subunit is connected with the encryption subunit and used for accessing the blockchain network according to the data modification request so as to acquire the encryption check code associated with the ultrasonic identity code, match the encryption check code with the modification check code, output a first verification result when the check code is matched with the modification check code, and output a second verification result when the check code is not matched with the modification check code;
the first modification subunit is connected with the verification subunit and used for accessing the blockchain network according to the first verification result and adding the ultrasonic identity code and the modification check code into the blockchain network for storage;
and the second modification subunit is connected with the data verification unit and is used for accessing the blockchain platform according to the second verification result, adding the ultrasonic identity code and the modification check code into the blockchain network for storage, and covering the ultrasonic data file associated with the ultrasonic identity code stored in the cloud storage server by adopting the ultrasonic data modification file.
2. The blockchain-based ultrasound data management system of claim 1, wherein the data management request is a data lookup request containing the ultrasound identity code, the data management module includes a data lookup unit comprising:
the first searching subunit is used for accessing the blockchain network according to the data searching request and extracting the encryption check code associated with the ultrasonic identity code from the blockchain network;
the second searching subunit is used for extracting the ultrasonic data file associated with the ultrasonic identity code from the cloud storage server according to the ultrasonic identity code, and encrypting the ultrasonic data file to obtain a real-time check code corresponding to the ultrasonic data file;
the result output subunit is respectively connected with the first searching subunit and the second searching subunit and is used for matching the real-time check code with the encrypted check code, giving a data invalidation prompt when the real-time check code is not matched with the check code, and outputting the ultrasonic data file for a user to check when the real-time check code is matched with the check code.
3. The blockchain-based ultrasound data management system of claim 1, wherein the blockchain network includes: a data layer, a network layer, a consensus layer, and a contract layer.
4. The blockchain-based ultrasound data management system of claim 1 or 2, wherein the encryption process is performed using an MD5 irreversible encryption algorithm, and the encrypted check code is an MD5 value.
5. A method for managing ultrasound data based on a blockchain, characterized in that the system for managing ultrasound data based on a blockchain according to any of claims 1 to 4 is applied, and the method for managing ultrasound data specifically comprises:
step S1, a client acquires an ultrasonic data file obtained by ultrasonic scanning, and processes the ultrasonic data file to obtain an ultrasonic identity code and an encryption check code associated with the ultrasonic data file;
step S2, the client transmits the ultrasonic data file and the ultrasonic identity code associated with the ultrasonic data file to the cloud storage server for storage, and transmits the ultrasonic identity code and the encryption check code associated with the ultrasonic data file to the blockchain network for distributed storage;
and S3, the client accesses the blockchain network according to an external data management request, and performs data management on the ultrasonic data file stored in the cloud storage server according to the ultrasonic identity code and the encryption check code stored in the blockchain network.
6. The blockchain-based ultrasound data management method of claim 5, wherein the step S1 includes:
step S11, the client acquires the obtained ultrasonic data file of ultrasonic scanning;
step S12, the client acquires the unique identity code of the ultrasonic data file to obtain the corresponding ultrasonic identity code;
and S13, the client acquires the encryption check code corresponding to the ultrasonic data file by carrying out encryption processing on the ultrasonic data file.
7. The blockchain-based ultrasound data management method of claim 6, wherein the data management request is a data search request including the ultrasound identity code, and further comprising a process of performing data search according to an external data search request, specifically comprising:
a1, the client accesses the blockchain network according to the data search request, and extracts the encryption check code associated with the ultrasonic identity code from the blockchain network;
step A2, the client extracts ultrasonic data files associated with the ultrasonic identity codes from the cloud storage server according to the ultrasonic identity codes, and encrypts the ultrasonic data files to obtain real-time check codes corresponding to the ultrasonic data files;
and A3, the client matches the real-time check code with the check code, gives a data invalidation prompt when the real-time check code is not matched with the check code, and outputs the ultrasonic data file for a user to check when the real-time check code is matched with the check code.
8. The blockchain-based ultrasound data management method of claim 7, wherein the data management request is a data modification request including an ultrasound data modification file and the ultrasound identity code associated with the ultrasound data modification file, and further comprising a process of performing data modification according to an external data modification request, specifically comprising:
step B1, the client encrypts the ultrasonic data modification file according to the data modification request to obtain a modification check code corresponding to the ultrasonic data modification file;
step B2, the client accesses the blockchain network according to the ultrasonic identity code to acquire the encrypted check code associated with the ultrasonic identity code, and matches the encrypted check code with the modified check code:
if the encryption check code is matched with the modification check code, turning to a step B3;
if the encryption check code is not matched with the modification check code, turning to a step B4;
step B3, the client accesses the blockchain network, adds the ultrasonic identity code and the modification check code to the blockchain network for storage, and then exits;
and B4, the client accesses the blockchain network, adds the ultrasonic identity code and the modification check code into the blockchain network for storage, and covers the ultrasonic data file associated with the ultrasonic identity code stored in the cloud storage server by adopting the ultrasonic data modification file.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010409333.5A CN111581666B (en) | 2020-05-14 | 2020-05-14 | Ultrasonic data management system and method based on blockchain |
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| WO2002038030A2 (en) * | 2000-11-08 | 2002-05-16 | Sonotron Ltd. | Method and apparatus for ultrasonic data acquisition and transfer in real-time |
| CN106295938A (en) * | 2015-06-08 | 2017-01-04 | 宁波网信息技术有限公司 | The storage of medical document based on cloud service and utilize system and using method thereof |
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