CN111008396A - Patient privacy data protection method, device and medium based on block chain - Google Patents
Patient privacy data protection method, device and medium based on block chain Download PDFInfo
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- CN111008396A CN111008396A CN201911171747.2A CN201911171747A CN111008396A CN 111008396 A CN111008396 A CN 111008396A CN 201911171747 A CN201911171747 A CN 201911171747A CN 111008396 A CN111008396 A CN 111008396A
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- 238000000034 method Methods 0.000 title claims abstract description 37
- 238000012545 processing Methods 0.000 claims abstract description 20
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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
- G06F21/60—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
- G06F21/6245—Protecting personal data, e.g. for financial or medical purposes
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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
- G06F21/60—Protecting data
- G06F21/602—Providing cryptographic facilities or services
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- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
- G16H10/00—ICT specially adapted for the handling or processing of patient-related medical or healthcare data
- G16H10/60—ICT specially adapted for the handling or processing of patient-related medical or healthcare data for patient-specific data, e.g. for electronic patient records
Abstract
The application discloses a patient privacy data protection method, device and medium based on a block chain. The method comprises the steps of receiving encrypted patient privacy data of a patient, and writing the patient privacy data into a block chain; according to a viewing request of a user for the patient privacy data, notifying a patient corresponding to the patient privacy data under the condition that the viewing request is determined to accord with a preset intelligent contract; and processing the viewing request according to the reply of the patient. By the method, the condition for checking the patient privacy data is limited, only a small number of users meeting the condition can check the patient privacy data, the privacy of the patient privacy data is ensured, the protection of the patient privacy data is facilitated, and the experience of the patient is promoted.
Description
Technical Field
The present application relates to the field of data protection technologies, and in particular, to a method, device, and medium for protecting privacy data of a patient based on a blockchain.
Background
With the development of socio-economy, the internet medical service market is developing more and more rapidly.
Internet medical treatment can electronize medical data of patients, and electronic health records of the patients are established, so that the medical data of the patients are more and more concentrated. The data concentration is beneficial to the patient to rapidly call the relevant medical data without delaying treatment under the conditions of cross-location medical treatment, replacement of an attending physician and the like, thereby bringing convenience to the patient.
However, part of the medical data of the patient, such as hepatitis b, venereal disease, etc., belongs to private data that the patient does not want to disclose, and the medical data is centralized, so that the private data can be more easily seen by more people, which is not beneficial to protecting the private data of the patient.
Disclosure of Invention
The embodiment of the application provides a patient privacy data protection method, equipment and medium based on a block chain, which are used for solving the following technical problems in the prior art: the concentration of the medical data enables the private data of the patient to be seen by more people more easily, which is not beneficial to the protection of the private data of the patient.
The embodiment of the application adopts the following technical scheme:
a patient privacy data protection method based on blockchains, comprising:
receiving patient privacy data encrypted by a patient, and writing the patient privacy data into a block chain;
according to a viewing request of a user for the patient privacy data, notifying a patient corresponding to the patient privacy data under the condition that the viewing request is determined to accord with a preset intelligent contract;
and processing the viewing request according to the reply of the patient.
Optionally, the receiving of the patient privacy data after the patient encryption specifically includes: and receiving the patient privacy data encrypted by the patient by adopting an asymmetric encryption algorithm.
Optionally, determining that the viewing request conforms to a preset intelligent contract specifically includes: determining that the identity of the user accords with a preset list; and determining that the time corresponding to the viewing request is within a preset time period.
Optionally, the preset list includes preset doctors and preset relatives.
Optionally, the reply is a rejection; processing the viewing request according to the reply of the patient, which specifically comprises: rejecting the viewing request; updating the intelligent contract according to the patient's reason for rejection.
Optionally, the reply is an agreement; processing the viewing request according to the reply of the patient, which specifically comprises: sending the address of the user to the patient, causing the patient to send encrypted patient privacy data to the user.
Optionally, processing the viewing request specifically includes: and acquiring the public key of the user, and sending the public key to the patient to ensure that the patient adopts the public key of the user to re-encrypt the private data of the patient.
Optionally, the method further comprises: and if the reply of the patient is not obtained after the preset period, notifying the user who recently checks the patient privacy data according to the checking record of the patient privacy data.
An apparatus for blockchain-based patient privacy data protection, comprising:
at least one processor; and the number of the first and second groups,
a memory communicatively coupled to the at least one processor; wherein the content of the first and second substances,
the memory stores instructions executable by the at least one processor to enable the at least one processor to:
receiving patient privacy data encrypted by a patient, and writing the patient privacy data into a block chain;
according to a viewing request of a user for the patient privacy data, notifying a patient corresponding to the patient privacy data under the condition that the viewing request is determined to accord with a preset intelligent contract;
and processing the viewing request according to the reply of the patient.
A non-transitory computer storage medium for blockchain based patient privacy data protection having stored thereon computer-executable instructions configured to:
receiving patient privacy data encrypted by a patient, and writing the patient privacy data into a block chain;
according to a viewing request of a user for the patient privacy data, notifying a patient corresponding to the patient privacy data under the condition that the viewing request is determined to accord with a preset intelligent contract;
and processing the viewing request according to the reply of the patient.
The embodiment of the application adopts at least one technical scheme which can achieve the following beneficial effects: the patient privacy data are encrypted and then written into the block chain, so that the safety of the patient privacy data is ensured, and the content of the patient privacy data can be seen only through decryption; through the intelligent contract of deploying on the block chain network, restrict the condition of looking over patient's private data, guarantee that only few the personnel that accord with the condition can look over patient's private data, ensured the privacy of patient's private data, be favorable to patient's private data's protection, be favorable to promoting patient's experience.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a flowchart of a block chain-based patient privacy data protection method according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of an apparatus for block chain-based patient privacy data protection according to an embodiment of the present application, where the apparatus corresponds to fig. 1.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given in the application without making any creative effort, shall fall within the protection scope of the application.
The technical solutions provided by the embodiments of the present application are described in detail below with reference to the accompanying drawings.
Fig. 1 is a flowchart of a block chain-based patient privacy data protection method according to an embodiment of the present application, and includes the specific steps of:
s101: and receiving the encrypted patient privacy data of the patient, and writing the patient privacy data into the block chain.
In the embodiment of the present application, a blockchain network may be first constructed, where the blockchain network includes a plurality of nodes, including a patient, a doctor, a patient relative, and the like. Thereafter, an intelligent contract may be generated based on the protection requirements for the patient's private data and written into each node.
When the patient writes the patient privacy data into the block chain, the patient privacy data can be encrypted and then written into the block chain. Each node may then receive the patient privacy data encrypted by the patient and write the encrypted patient privacy data into the blockchain.
Specifically, the patient can adopt asymmetric encryption algorithm to encrypt patient privacy data, and the patient specifically can adopt the public key to encrypt patient privacy data, through encrypting the back, only can decrypt the patient privacy data who encrypts of adoption patient's private key. Therefore, the private data of the patient cannot be disclosed to all users after being written into the block chain, and the private data of the patient must be decrypted by the patient to know the content of the private data of the patient, so that the safety of the private data of the patient is ensured.
S102: and according to the viewing request of the user for the patient privacy data, under the condition that the viewing request is determined to accord with a preset intelligent contract, notifying the patient corresponding to the patient privacy data.
In the embodiment of the application, each node in the blockchain may make a viewing request for the patient privacy data in order to view the content of the patient privacy data. The intelligent contract in the blockchain may then determine whether the view request complies with its specifications.
If the request for viewing meets the specification of the intelligent contract, the intelligent contract can be triggered to inform the corresponding patient, and the patient further determines whether to approve the request for viewing. If the check request does not accord with the intelligent contract, the triggering of the intelligent contract cannot be realized, and the check request cannot be responded, namely is rejected.
In particular, based on the protection requirements for patient privacy data, the provisions in the intelligent contract may include:
first, it is determined that the identity of the user conforms to a preset list. The preset list is a list of persons preset by the patient and allowing the patient to view the patient privacy data, and specifically may include preset doctors, preset relatives, and the like. The identity of the user capable of checking the patient private data is limited by setting the preset list, the checking permission of the patient private data can be opened to partial users based on the willingness of the patient, and the privacy and the safety of the patient private data are effectively protected.
And secondly, determining that the time corresponding to the viewing request is within a preset time period. The preset time period is a time period which is preset by the patient and allows the user to view the private data of the patient, and the time for sending the view request by the user is required to be within the preset time period.
Further, preset time periods with different time and different lengths can be set for different identities of users. For example, if the user is identified as the attending physician during treatment of the patient, the preset time period may be set as the time period during which the physician performs treatment on the patient; if the identity of the user is a girlfriend of the patient, the preset time period can be set according to the maintenance time of the love relationship between the patient and the user; and so on.
By setting the preset time period, the time limit can be increased on the basis of the permission of the user for checking the privacy data of the patient. According to the regulation, the permission of the user for checking the patient private data can automatically disappear after the preset time period is exceeded, so that the flexibility of limiting the user for checking the patient private data can be increased, and convenience is provided for setting the permission for the patient.
In addition, the limitation of the preset time period is added, the permission of the user can be opened in the time period when the user really needs to check the private data of the patient, and the permission of the user is closed in unnecessary time, so that the situation that the user abuses the checking permission can be avoided, the user is prevented from using the identity permission to check the private data of the patient at will, and the protection of the private data of the patient is facilitated.
S103: the request to view is processed in response to the patient's reply.
In the embodiment of the application, the viewing request is determined to be in accordance with the specification of the intelligent contract, and after the patient is informed, the reply of the patient to the viewing request can be received. And performing subsequent processing on the viewing request according to the received reply of the patient.
In particular, when the patient's reply is consent, the patient is indicated to be allowed to view the patient privacy data. Based on the patient's agreed information, an intelligent contract may be triggered, the blockchain address of the user who sent the viewing request determined, and the blockchain address of the user sent to the patient. The patient can obtain the encrypted patient privacy data which the user requests to view from the blockchain network according to the blockchain address of the user, and the patient privacy data is sent to the user.
Further, in the process of sending the patient privacy data to the user, the patient can first obtain the patient privacy data encrypted by the public key from the blockchain network, and decrypt the patient privacy data by using the private key of the patient. Then, in order to ensure the safety of the patient privacy data in the transmission process, the patient can obtain the public key of the user, the patient privacy data is re-encrypted by adopting the public key of the user and then sent to the user, and the user is enabled to decrypt by adopting the private key of the user so as to obtain the patient privacy data. The public key of the user can be carried in the viewing request in advance and is sent to the patient together with the block chain address of the user; or, when the intelligent contract is triggered to obtain the block chain address of the user, the intelligent contract also obtains the public key of the user and sends the public key to the patient; or other realizable manners may also be adopted, which are not limited in this application.
After the private data of the patient are encrypted by the public key of the patient, the private data are written into the block chain, so that the private data can be decrypted by the private key of the patient, and the safety and confidentiality of the private data of the patient are guaranteed.
Moreover, the private data of the patient is encrypted by the public key of the user, so that the private data of the patient can be obtained only by the private key of the user, the safety of the private data of the patient in the transmission process can be ensured, and the content of the private data of the patient can be obtained only by an authorized user.
In addition, when the reply of the patient is determined to be the consent, the consent reply of the patient, the user identification, the time when the user views the privacy data of the patient and other data can be written into the block chain to be used as the viewing record of the privacy data of the patient for subsequent inquiry.
In particular, when the patient's reply is a decline, the patient is indicated to not allow the user to view the patient privacy data. According to the refusal information sent by the patient, the intelligent contract can be triggered to refuse the viewing request of the user.
Further, the intelligent contract can be triggered to notify the patient because the viewing request sent by the user conforms to the specification of the intelligent contract. However, the patient does not agree with the user to view the patient privacy data. In this case, it is possible that the smart contract is not updated in time and thus deviates from the patient's wishes.
Accordingly, upon receiving notification of the patient's rejection, the patient's rejection reason may be determined and the smart contract updated based on the patient's rejection reason. For example, for the rejection of the patient to the user identity, the preset list specified by the intelligent contract may be modified, and the user may be deleted from the preset list; aiming at the rejection of the patient to the user viewing time, the preset time period corresponding to the user specified by the intelligent contract can be modified; and so on.
Further, in some emergency situations, if the user sends a request for viewing and triggers the smart contract to notify the patient, the patient cannot respond later, which is not favorable for the treatment of the patient.
In these cases, it may be further specified in the intelligent contract that, when the viewing request of the user conforms to the specification of the intelligent contract and a notification is sent to the patient accordingly, if no response is received from the patient after a preset period of time has passed, the user who has viewed the patient privacy data last time may be determined and notified according to the viewing record of the patient privacy data, and the user may forward information related to the patient privacy data to the user who sent the viewing request.
In the embodiment of the application, the patient privacy data are encrypted and then written into the block chain, so that the safety of the patient privacy data is ensured, and the content of the patient privacy data can be seen only through decryption; through the intelligent contract of deploying on the block chain network, restrict the condition of looking over patient's private data, guarantee that only few the personnel that accord with the condition can look over patient's private data, ensured the privacy of patient's private data, be favorable to patient's private data's protection, be favorable to promoting patient's experience.
Based on the same idea, some embodiments of the present application further provide a device and a non-volatile computer storage medium corresponding to the above method.
Fig. 2 is a schematic structural diagram of an apparatus for block-chain-based patient privacy data protection according to an embodiment of the present application, where the apparatus includes:
at least one processor; and the number of the first and second groups,
a memory communicatively coupled to the at least one processor; wherein the content of the first and second substances,
the memory stores instructions executable by the at least one processor to enable the at least one processor to:
receiving patient privacy data encrypted by a patient, and writing the patient privacy data into a block chain;
according to a viewing request of a user for the patient privacy data, notifying a patient corresponding to the patient privacy data under the condition that the viewing request is determined to accord with a preset intelligent contract;
and processing the viewing request according to the reply of the patient.
Some embodiments of the present application provide a non-transitory computer storage medium corresponding to a blockchain based patient privacy data protection of fig. 1, storing computer executable instructions configured to:
receiving patient privacy data encrypted by a patient, and writing the patient privacy data into a block chain;
according to a viewing request of a user for the patient privacy data, notifying a patient corresponding to the patient privacy data under the condition that the viewing request is determined to accord with a preset intelligent contract;
and processing the viewing request according to the reply of the patient.
The embodiments in the present application are described in a progressive manner, and the same and similar parts among the embodiments can be referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the device and media embodiments, the description is relatively simple as it is substantially similar to the method embodiments, and reference may be made to some descriptions of the method embodiments for relevant points.
The device and the medium provided by the embodiment of the application correspond to the method one to one, so the device and the medium also have the similar beneficial technical effects as the corresponding method, and the beneficial technical effects of the method are explained in detail above, so the beneficial technical effects of the device and the medium are not repeated herein.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
In a typical configuration, a computing device includes one or more processors (CPUs), input/output interfaces, network interfaces, and memory.
The memory may include forms of volatile memory in a computer readable medium, Random Access Memory (RAM) and/or non-volatile memory, such as Read Only Memory (ROM) or flash memory (flash RAM). Memory is an example of a computer-readable medium.
Computer-readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), Static Random Access Memory (SRAM), Dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), Read Only Memory (ROM), Electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), Digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium that can be used to store information that can be accessed by a computing device. As defined herein, a computer readable medium does not include a transitory computer readable medium such as a modulated data signal and a carrier wave.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (10)
1. A patient privacy data protection method based on a block chain is characterized by comprising the following steps:
receiving patient privacy data encrypted by a patient, and writing the patient privacy data into a block chain;
according to a viewing request of a user for the patient privacy data, notifying a patient corresponding to the patient privacy data under the condition that the viewing request is determined to accord with a preset intelligent contract;
and processing the viewing request according to the reply of the patient.
2. The method of claim 1, wherein receiving patient privacy data encrypted by the patient comprises:
and receiving the patient privacy data encrypted by the patient by adopting an asymmetric encryption algorithm.
3. The method of claim 1, wherein determining that the viewing request conforms to a preset intelligent contract comprises:
determining that the identity of the user accords with a preset list;
and determining that the time corresponding to the viewing request is within a preset time period.
4. The method of claim 3, wherein the predetermined list includes predetermined doctors, predetermined relatives.
5. The method of claim 1, wherein the reply is a rejection;
processing the viewing request according to the reply of the patient, which specifically comprises:
rejecting the viewing request;
updating the intelligent contract according to the patient's reason for rejection.
6. The method of claim 1, wherein the reply is an agreement;
processing the viewing request according to the reply of the patient, which specifically comprises:
sending the address of the user to the patient, causing the patient to send encrypted patient privacy data to the user.
7. The method of claim 6, wherein processing the view request further comprises:
and acquiring the public key of the user, and sending the public key to the patient to ensure that the patient adopts the public key of the user to re-encrypt the private data of the patient.
8. The method of claim 1, wherein the method further comprises:
and if the reply of the patient is not obtained after the preset period, notifying the user who recently checks the patient privacy data according to the checking record of the patient privacy data.
9. A blockchain-based patient privacy data protection apparatus, comprising:
at least one processor; and the number of the first and second groups,
a memory communicatively coupled to the at least one processor; wherein the content of the first and second substances,
the memory stores instructions executable by the at least one processor to enable the at least one processor to:
receiving patient privacy data encrypted by a patient, and writing the patient privacy data into a block chain;
according to a viewing request of a user for the patient privacy data, notifying a patient corresponding to the patient privacy data under the condition that the viewing request is determined to accord with a preset intelligent contract;
and processing the viewing request according to the reply of the patient.
10. A non-transitory computer storage medium for blockchain based patient privacy data protection having stored thereon computer-executable instructions configured to:
receiving patient privacy data encrypted by a patient, and writing the patient privacy data into a block chain;
according to a viewing request of a user for the patient privacy data, notifying a patient corresponding to the patient privacy data under the condition that the viewing request is determined to accord with a preset intelligent contract;
and processing the viewing request according to the reply of the patient.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201911171747.2A CN111008396A (en) | 2019-11-26 | 2019-11-26 | Patient privacy data protection method, device and medium based on block chain |
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| CN201911171747.2A CN111008396A (en) | 2019-11-26 | 2019-11-26 | Patient privacy data protection method, device and medium based on block chain |
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| CN111008396A true CN111008396A (en) | 2020-04-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112735566A (en) * | 2020-12-28 | 2021-04-30 | 武汉联影医疗科技有限公司 | Medical image management method and device, computer equipment and storage medium |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112735566A (en) * | 2020-12-28 | 2021-04-30 | 武汉联影医疗科技有限公司 | Medical image management method and device, computer equipment and storage medium |
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