CN111681723A - Health information management method, equipment and medium based on block chain - Google Patents
Health information management method, equipment and medium based on block chain Download PDFInfo
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Abstract
The application discloses a health information management method, equipment and medium based on a block chain. The method comprises the steps that a medical institution node obtains user side authorization, obtains a user private key according to the user side authorization, obtains a user health information ciphertext from a health information management block chain, and decrypts the user health information ciphertext by using the user private key; the medical institution node acquires the user diagnosis and treatment records, encrypts the user diagnosis and treatment records by using a user private key according to user side authorization to form a continuous user health information ciphertext, and respectively uploads the continuous user health information ciphertext to a user cipher library and a health information management block chain of the health management node for sequentially connecting the user health information ciphertext according to time. A user health information time chain system is established by setting a health management node, a medical institution node and the like, authenticity and traceability of user health information are ensured, information barriers among medical institutions are broken, and the user health information is acquired completely, quickly and accurately.
Description
Technical Field
The present application relates to the field of blockchain application technologies, and in particular, to a method, a device, and a medium for managing health information based on blockchains.
Background
In recent years, with the rapid development of technologies such as internet +', big data and the like, the efficiency of a patient in hospitalizing in medical institutions is greatly improved, and each medical institution also establishes an internal data system to store information such as health information, diagnosis and treatment records and the like of the patient so as to conveniently provide follow-up services for the patient.
However, information barriers exist among the medical institutions, data systems among the medical institutions are closed, the medical institutions are still in an information isolated island, and electronic medical records, health files, diagnosis and treatment records and the like of patients cannot be interconnected and communicated. This seriously hinders the patient from seeking medical advice, transferring a doctor, etc. between different medical institutions, and when the patient transfers from one medical institution to another medical institution, the patient often needs to rebuild the health record and repeat some examinations. In addition, in an emergency, such as a patient coma or shock, it is difficult for a doctor in a new medical institution to quickly and comprehensively acquire important information such as a patient's past physical condition, medical history, and medical allergy history, and to quickly and accurately rescue the patient.
Meanwhile, health information, diagnosis and treatment records and the like of patients stored in each medical institution belong to part of individual privacy of the patients, and if the health information, the diagnosis and treatment records and the like are carelessly revealed or illegally traded, certain influence and trouble are caused on the patients. In addition, in order to store the data and prevent the data from being damaged or lost, one or more information storage systems, backup systems or disaster recovery systems need to be provided for each medical institution, which undoubtedly increases the operation cost of each medical institution.
Therefore, there is a need to develop a new health information management method based on the block chain technology, which breaks the information barrier between medical institutions and solves the above problems. The above description is included in the technical recognition scope of the inventors, and does not necessarily constitute the prior art.
Disclosure of Invention
An embodiment of the present specification provides a health information management method, device, and medium based on a block chain, which are used to solve the following technical problems in the prior art: information barriers exist among the medical institutions, information of patients cannot be interconnected and communicated, activities such as hospitalization and referral of the patients are inconvenient, and safety of the patient information stored in the medical institutions is poor.
The embodiment of the specification adopts the following technical scheme:
a health information management method based on a block chain is disclosed, wherein a plurality of health management nodes and a plurality of medical institution nodes form the health information management block chain, the medical institution nodes are authorized by the health management nodes to enter the health information management block chain, and user health information ciphertexts on the health information management block chain are stored according to the time sequence, the method comprises the following steps:
the medical institution node acquires user side authorization, acquires a user private key according to the user side authorization, acquires a user health information ciphertext from the health information management block chain, and decrypts the user health information ciphertext by using the user private key;
the medical institution node acquires the user diagnosis and treatment records, encrypts the user diagnosis and treatment records by using a user private key according to user side authorization to form a continuous user health information ciphertext, and respectively uploads the continuous user health information ciphertext to a user cipher library and a health information management block chain of the health management node for sequentially connecting the user health information ciphertext according to time.
In an embodiment of the method for health information management based on blockchain, the method further comprises:
and the medical institution node acquires the user private key to decrypt the user health information ciphertext and then automatically deletes the user private key.
In an embodiment of the method for health information management based on blockchain, the method further comprises:
acquiring user registration information, creating a user public key, a user private key and a user secret library by the health management node according to the user registration information, and sending the user public key and the user private key to a user side;
the user health examination information is acquired, the health management node encrypts the user health examination information by using a user private key to form an initial user health information ciphertext, and the initial user health information ciphertext is stored in a user cipher library and uploaded to a health information management block chain to start the user health information ciphertext according to a time sequence.
In an embodiment of the method for health information management based on blockchain, the method further comprises:
the medical institution node discloses the continuous user health information ciphertext on the health information management block chain;
at least a part of the health management node records the continuous user health information cryptograph,
if the number of the health management nodes recording the user health information ciphertext is larger than a preset threshold, the user health information ciphertext is valid;
at least one part of the health management nodes respectively store the continuous user health information ciphertext into the user ciphertext library.
In an embodiment of the method for health information management based on blockchain, the method further comprises:
the medical institution node splits the continuous user health information ciphertext and respectively discloses each split part on a health information management block chain;
at least one part of the health management node records one part and/or a plurality of parts of the subsequent user health information ciphertext;
if the number of the health management nodes recording one part and/or a plurality of parts of the continuous user health information ciphertext is larger than a preset threshold value, one part and/or a plurality of parts of the continuous user health information ciphertext are/is effective information;
at least one part of the health management nodes respectively store one part and/or a plurality of parts which are/is subsequent to the user health information ciphertext into the user ciphertext library.
In an embodiment of the method for health information management based on blockchain, the method further comprises:
and the medical institution node collects one part and/or a plurality of parts of the continuous user health information ciphertext stored in the health management node user password library according to the user side authorization to recover the continuous user health information ciphertext.
In an embodiment of the method for health information management based on blockchain, the method further comprises:
the medical institution node stores the user diagnosis and treatment records generated by the node;
the medical institution node acquires user side authorization, and encrypts and exports the user diagnosis and treatment record by using a user private key according to the user side authorization;
and uploading the derived records with additional timestamps and digital signatures of the medical institution nodes to the health information management block chain.
In an embodiment of the method for health information management based on blockchain, the method further comprises:
the health management node monitors whether the medical institution node has violation behaviors, wherein the violation behaviors at least comprise one of the following behaviors: the method comprises the steps that a user private key is stored without obtaining user authorization, a user health information ciphertext is obtained from a health information management block chain without obtaining user authorization, and user diagnosis and treatment records locally stored in a medical institution node are derived without obtaining user authorization;
and if so, canceling the authorization of the medical institution node.
An apparatus for health information management based on blockchains, 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 memory stores instructions executable by the at least one processor to enable the at least one processor to:
obtaining user side authorization, obtaining a user private key according to the user side authorization, obtaining a user health information ciphertext from a health information management block chain, and decrypting the user health information ciphertext by using the user private key;
acquiring a user diagnosis and treatment record, encrypting the user diagnosis and treatment record according to the user side authorization to form a continuous user health information ciphertext, and respectively uploading the continuous user health information ciphertext to a user cipher library of a health management node and the health information management block chain for continuously connecting the user health information ciphertext according to a time sequence.
A non-transitory computer storage medium for blockchain based health information management, storing computer-executable instructions, wherein the computer-executable instructions are configured to:
obtaining user side authorization, obtaining a user private key according to the user side authorization, obtaining a user health information ciphertext from a health information management block chain, and decrypting the user health information ciphertext by using the user private key;
acquiring a user diagnosis and treatment record, encrypting the user diagnosis and treatment record according to the user side authorization to form a continuous user health information ciphertext, and respectively uploading the continuous user health information ciphertext to a user cipher library of a health management node and the health information management block chain for continuously connecting the user health information ciphertext according to a time sequence.
The embodiment of the specification adopts at least one technical scheme which can achieve the following beneficial effects:
(1) in the health information management method based on the block chain in the example of the embodiment of the present specification, the health management node and the medical institution node are set, and the health information management block chain is constructed, so that the user health information ciphertext is stored in the chain according to the time sequence, and the accuracy, the integrity and the privacy of the user health information are ensured. The information barrier between medical institutions is broken through, and the user can enable the medical institutions to acquire the previous health information through authorizing the medical institutions, so that a doctor is assisted to quickly and accurately know the conditions of the user to make diagnosis and treatment.
(2) The health information management method based on the block chain in the embodiment of the present specification can also be used for tracking the health condition of the user, constructing a time chain according to the medical record and the change of the physical health condition of the user, replacing a block chain block model with a time point, replacing a block chain accumulated accounting property with a time irretrievable property, and providing effective data reference and data guarantee for medical treatment of the user.
(3) In the health information management method based on the block chain, which is exemplified in the embodiment of the description, by presetting the threshold, when enough health management nodes record the user health information ciphertext, the ciphertext is confirmed to be valid, so that the validity and tampering of the user health information ciphertext can be identified.
(4) In the health information management method based on the block chain, which is exemplified in the embodiment of the description, the medical institution node can split the user health information ciphertext and store the user health information ciphertext by different health management nodes, so that the user health information ciphertext can be further protected, and the ciphertext can be conveniently and timely retrieved when the information of individual health management node is lost or damaged.
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 schematic flowchart of a health information management method based on a blockchain according to an embodiment of the present disclosure;
fig. 2 is a schematic structural diagram of a health information management block chain provided in an embodiment of the present specification;
fig. 3 is a schematic diagram illustrating medical procedure steps of a user in a health information management method based on a block chain according to an embodiment of the present disclosure.
Detailed Description
In order to make the objects, technical solutions and advantages of the present disclosure more apparent, the technical solutions of the present disclosure will be clearly and completely described below with reference to the specific embodiments of the present disclosure 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 obtained by a person skilled in the art without making any inventive step based on the embodiments in the description belong to the protection scope of the present application.
First, the technical concept of the technical solution disclosed in the present invention will be explained. At present, information barriers exist among medical institutions, data systems in the medical institutions are closed, electronic medical records, health files, diagnosis and treatment records and the like of patients cannot be interconnected and communicated, and the activities of hospitalizing, referral and the like of the patients among different medical institutions are seriously hindered. Meanwhile, each medical institution cannot ensure that the user health information stored in the medical institution is safe and accurate and is not easy to be tampered. In addition, in order to store the data and prevent the data from being damaged or lost, the medical institution needs to be equipped with one or more information storage systems, backup systems or disaster recovery systems, which increases the operation cost of each medical institution. Therefore, there is a need to develop a new health information management method based on the block chain technology, which breaks the information barrier between medical institutions and solves the above problems.
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 illustrating a health information management method based on a blockchain according to an embodiment of the present disclosure.
As shown in fig. 1, a health information management method based on a block chain, wherein a plurality of health management nodes and a plurality of medical institution nodes form a health information management block chain, the medical institution nodes are authorized by the health management nodes to enter the health information management block chain, and user health information ciphertexts on the health information management block chain are stored in a time sequence; the medical institution node acquires the user diagnosis and treatment records, encrypts the user diagnosis and treatment records by using a user private key according to user side authorization to form a continuous user health information ciphertext, and respectively uploads the continuous user health information ciphertext to a user cipher library and a health information management block chain of the health management node for sequentially connecting the user health information ciphertext according to time. The authorization method of the user side may include, for example, a digital password, a physical magnetic card, a user biological password, and the like.
The health management node and the medical institution node are set, the health information management block chain is established, and the user health information is stored on the chain according to the time sequence, so that a complete life time chain system of the user is established, and the accuracy, the integrity and the privacy of the user health information on the time chain are ensured. The information barrier between medical institutions is broken through, when a user carries out activities such as health care or hospitalization and the like in a new medical institution, the new medical institution can acquire all previous health information and decrypt the information by authorizing the medical institution, and the user can be assisted with a doctor to quickly and accurately know the condition of the user without repeatedly carrying out inspection and examination. In an emergency, the doctor can quickly acquire the physical condition, the past medical history, the allergy history and other information of the user according to the decrypted health information of the user, and the doctor is assisted to quickly and correctly cure the patient.
In one embodiment, the health information management method based on the blockchain further comprises the step that the medical institution node obtains the user private key to decrypt the user health information ciphertext and then automatically deletes the user private key. After the medical institution obtains the user authorization, the medical institution only has the use right to the user private key and does not have the recording right, thereby further ensuring the security of the user health information ciphertext.
In one embodiment, the health information management method based on the blockchain further comprises the steps of acquiring user registration information, creating a user public key, a user private key and a user secret library by the health management node according to the user registration information, and sending the user public key and the user private key to the user side; the user health examination information is acquired, the health management node encrypts the user health examination information by using a user private key to form an initial user health information ciphertext, and the initial user health information ciphertext is stored in a user cipher library and uploaded to a health information management block chain to start the user health information ciphertext according to a time sequence. The user registration information and the user physical examination information can be uploaded by a user side or collected by a medical institution. The user can register at any time point, and after the user registers and completes the physical examination process, the initial part of the user health information ciphertext can be created, so that the authenticity of the user registration information and the initial user health information ciphertext can be ensured.
In one embodiment, the health information management method based on the block chain further comprises the following steps that the medical institution node displays the continuous user health information ciphertext on the health information management block chain; recording the continuous user health information ciphertext by at least one part of health management nodes, and if the number of the health management nodes recording the continuous user health information ciphertext is greater than a preset threshold value, taking the continuous user health information ciphertext as effective information; at least one part of the health management nodes respectively store the continuous user health information ciphertext into the user ciphertext library. And sharing the encrypted information by adopting a competition record mode for each health management node of the newly added user health information ciphertext, and only after a certain number of health management node records are finished, determining that the related newly added information is successfully created and performing subsequent activities. Meanwhile, when a certain health management node is damaged, the operation of the whole information network is not influenced, and users and medical institution nodes can acquire user health information ciphertexts from other health management nodes at any time.
In one embodiment, the health information management method based on the block chain further comprises the steps that the medical institution node splits the continuous user health information ciphertext and respectively discloses each split part on the health information management block chain; at least one part of the health management node records one part and/or a plurality of parts of the subsequent user health information ciphertext; if the number of the health management nodes recording one part and/or a plurality of parts of the continuous user health information ciphertext is larger than a preset threshold value, one part and/or a plurality of parts of the continuous user health information ciphertext are/is effective information; at least one part of the health management nodes respectively store one part and/or a plurality of parts which are/is subsequent to the user health information ciphertext into the user ciphertext library. The medical institution node splits the user health information ciphertext and stores the user health information ciphertext by different health management nodes, so that the safety of the user health information ciphertext can be further protected.
In one embodiment, the health information management method based on the blockchain further comprises the step that the medical institution node collects one part and/or a plurality of parts of the continuous user health information ciphertext stored in the health management node user password library according to the user side authorization to recover the continuous user health information ciphertext. The problem of each medical institution of current need be equipped with one or more information backup system or disaster recovery system and just can restore information when the information damages or loses, and rely on backup or AB machine to restore, can influence on-line business is solved. The pressure of medical institution node information storage is reduced, and the operation cost is reduced.
In one embodiment, the health information management method based on the blockchain further comprises the steps that the medical institution node stores the user diagnosis and treatment records generated by the node; the medical institution node acquires user side authorization, and encrypts and exports the user diagnosis and treatment record by using a user private key according to the user side authorization; and uploading the derived records with additional timestamps and digital signatures of the medical institution nodes to the health information management block chain.
The medical institution nodes locally store the user diagnosis and treatment records generated by the nodes, and the information can be used for internal construction optimization by the medical institution nodes, such as medical institution planning, resource allocation, medical personnel assessment and the like. And all information is backed up in the health management node, and can be verified according to the ciphertext timestamp. However, the user diagnosis and treatment information stored locally in the medical institution node is not allowed to be exported without permission, and the export records all have digital signatures of the medical institution node, so that once the export records are exported, the user diagnosis and treatment information can be traced back.
In one embodiment, the health information management method based on the blockchain further includes that the health management node monitors whether the medical institution node has violation behaviors, and if so, the authorization of the medical institution node is cancelled. The violation may include, for example: the user private key is stored in the non-acquisition user side authorization, the user health information ciphertext is acquired from the health information management block chain by the non-acquisition user side authorization, and the user diagnosis and treatment records locally stored in the medical institution node are derived by the non-acquisition user side authorization.
The health management node monitors the medical institution nodes. Once the health management node monitors and finds that the medical institution node has violation behaviors, the health management node is authorized to withdraw the authority node. If the health information of the user flows out, the health management node has the right to deprive authorization and update the information to the ciphertext sharing network, and the medical institution can be forbidden to enter the link network permanently.
For the convenience of understanding, the following further describes specific contents of the above health information management method based on a block chain:
first, a health information management block chain needs to be constructed. As shown in fig. 2, the health information management blockchain at least includes a plurality of health management nodes, a plurality of medical institution nodes, and a plurality of clients. If the medical institution wishes to enter the health information management block chain as a medical institution node, the medical institution needs to register on any available health management node and can only uplink the chain under the authorization of the health management node. The medical institution node can perform encrypted information interfacing with the health management node and is allowed to upload the medical record information. And the clients can register as nodes on the blockchain respectively.
The newly-linked health management node needs to be initialized, a user account library, a private key library and a user password library are established, and the newly-linked health management node and the existing health management node integrally establish a user health information ciphertext sharing network. The user account library is used for storing user identity information and can correspond to national user information. The private key library information corresponds to the account library one by one, and each private key is independently generated and has no relation with each other. The user cipher library is used for storing a user health information cipher text, the initial part of the user health information cipher text is formed by encrypting user physical examination information which is caused by user registration, and then the user health information cipher text which is formed by carrying out diagnosis and treatment on medical institution nodes by subsequent users each time is continued according to the time sequence. And the user secret library comprises information export and information increment which are accumulated on the current latest node in time sequence.
The health management nodes in the shared information network constructed by the health management nodes are not different, the health management nodes can be directly connected with other nodes only after being created, the private key information stored in the private key library is only relevant to users, and the health management nodes are only responsible for services such as initialization, storage, sharing, verification and use of the private keys.
The user can register the individual identity account on the blockchain through the user terminal and create a private encryption key and the initial part of the life time chain of the user secret library. The user submits the personal necessary information to create an account, and the registered account is available on all medical institution nodes. After the registration is successful, the health management node makes a key as an account identity certificate according to the registration information of the user.
As shown in fig. 3, the user goes to the medical institution to seek medical advice, and the medical institution node is authorized by using the personal account to acquire the user health information ciphertext of the individual from the blockchain and decrypt the user health information ciphertext for treatment. The authorization of the user may include, for example, a digital password, a physical magnetic card, a user's biometric password, etc.
After the user finishes hospitalizing, the medical institution node encrypts and stores the diagnosis and treatment information of the user to the medical institution node, and simultaneously, a user ciphertext library uploaded to the user health node is registered as a continuous user health information ciphertext. The medical institution node is only used as a production party of diagnosis and treatment information, and the storage function is only used as internal information storage; uploading the diagnosis and treatment information also requires user authorization and encryption by using a user private key, only the use right and no record right are provided for the user private key medical institution node in the encryption process, and the health management node monitors the whole encryption and uploading process. Once the health management node monitors and discovers that the medical institution node has violation behaviors, the health management node has the right to withdraw the authorization of the medical institution node.
When the user authorization permission does not exist, the medical institution node cannot freely derive the user diagnosis and treatment record information stored in the medical institution node, all derivation behaviors are derived in a ciphertext mode, and the derivation records are uploaded to the health management node.
If a certain health management node on the block chain is damaged, the user or the medical institution node can be switched to other health management nodes immediately to acquire the user health information ciphertext. The functions of all the health management nodes in the block chain are completely consistent, and all the information exists in a plurality of nodes and cannot be influenced by the damage of a single node.
The health information management method ensures the traceability and authenticity of the medical record of the user. User health information is encrypted and stored in a designated medical institution and a health management node respectively; the medical institution node information only allows the user to decrypt and view the health information of the user after the user authorizes and is used for a medical approach; the information stored by the health management node is only open to the user for information inquiry and medical institution information check. Meanwhile, an information sharing network is formed among all the health management information nodes, the newly added information ciphertext is subjected to a competition recording mode to share encrypted information, one health management node is damaged, the operation of the whole information network is not influenced, and users and medical institution nodes can acquire user health information from other health management nodes at any time. The problem that the information storage center bears excessive information processing services in the traditional mode, and the on-line service is influenced because the information storage center can only rely on backup or AB machine for recovery after the crash service occurs is solved. The newly-built citizen health node can be directly added into the existing information network and put into use, and is not different from the information center node which operates for a long time.
The present embodiment further provides a device for health information management based on a block chain, where the device 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 memory stores instructions executable by the at least one processor to enable the at least one processor to:
obtaining user side authorization, obtaining a user private key according to the user side authorization, obtaining a user health information ciphertext from a health information management block chain, and decrypting the user health information ciphertext by using the user private key;
acquiring a user diagnosis and treatment record, encrypting the user diagnosis and treatment record according to the user side authorization to form a continuous user health information ciphertext, and respectively uploading the continuous user health information ciphertext to a user cipher library of a health management node and the health information management block chain for continuously connecting the user health information ciphertext according to a time sequence.
The present embodiments also provide a non-volatile computer storage medium for health information management based on blockchains, storing computer-executable instructions, wherein the computer-executable instructions are configured to:
obtaining user side authorization, obtaining a user private key according to the user side authorization, obtaining a user health information ciphertext from a health information management block chain, and decrypting the user health information ciphertext by using the user private key;
acquiring a user diagnosis and treatment record, encrypting the user diagnosis and treatment record according to the user side authorization to form a continuous user health information ciphertext, and respectively uploading the continuous user health information ciphertext to a user cipher library of a health management node and the health information management block chain for continuously connecting the user health information ciphertext according to a time sequence.
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 invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention 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 invention is directed to methods, apparatus (systems), and computer program products according to embodiments of the present invention
A flowchart and/or block diagram of an article. 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 health information management method based on a block chain is characterized in that a plurality of health management nodes and a plurality of medical institution nodes form a health information management block chain, the medical institution nodes are authorized by the health management nodes to enter the health information management block chain, and user health information ciphertexts on the health information management block chain are stored according to a time sequence, and the method comprises the following steps:
the medical institution node acquires user side authorization, acquires a user private key according to the user side authorization, acquires the user health information ciphertext from the health information management block chain, and decrypts the user health information ciphertext by using the user private key;
the medical institution node acquires a user diagnosis and treatment record, encrypts the user diagnosis and treatment record by using the user private key according to the user side authorization to form a continuous user health information ciphertext, and respectively uploads the continuous user health information ciphertext to a user cipher library of the health management node and the health information management block chain so as to be used for continuously connecting the user health information ciphertext according to a time sequence.
2. The blockchain-based health information management method according to claim 1, wherein the method further comprises:
and the medical institution node acquires the user private key to decrypt the user health information ciphertext and then automatically deletes the user private key.
3. The blockchain-based health information management method according to claim 1, wherein the method further comprises:
acquiring user registration information, creating a user public key, a user private key and a user secret library by the health management node according to the user registration information, and sending the user public key and the user private key to the user side;
acquiring user physical examination information, encrypting the user physical examination information by the health management node by using the user private key to form an initial user health information ciphertext, storing the initial user health information ciphertext into the user password library and uploading the initial user health information ciphertext to the health information management block chain so as to start the user health information ciphertext according to a time sequence.
4. The blockchain-based health information management method according to claim 1, wherein the method further comprises:
the medical institution node discloses the continuous user health information ciphertext on the health information management block chain;
at least a part of the health management node records the subsequent user health information cryptograph,
if the number of the health management nodes recording the health information ciphertext of the continuing user is larger than a preset threshold value, the health information ciphertext of the continuing user is effective information;
and the at least part of health management nodes respectively store the continuous user health information ciphertext into a user ciphertext library of the at least part of health management nodes.
5. The blockchain-based health information management method according to claim 1, wherein the method further comprises:
the medical institution node splits the continuous user health information ciphertext and respectively discloses each split part on the health information management block chain;
at least one part of the health management node records one part and/or a plurality of parts of the continuing user health information ciphertext;
if the number of the health management nodes recording one part and/or a plurality of parts of the subsequent user health information ciphertext is larger than a preset threshold value, one part and/or a plurality of parts of the subsequent user health information ciphertext are/is effective information;
and the at least part of health management nodes respectively store one part and/or a plurality of parts of the subsequent user health information ciphertext into a user ciphertext library of the at least part of health management nodes.
6. The blockchain-based health information management method according to claim 5, wherein the method further comprises:
and the medical institution node collects one part and/or a plurality of parts of the health information ciphertext of the continuing user stored in the health management node user secret library according to the user side authorization to recover the health information ciphertext of the continuing user.
7. The blockchain-based health information management method according to claim 1, wherein the method further comprises:
the medical institution node stores the user diagnosis and treatment records generated by the node;
the medical institution node acquires the user side authorization, and encrypts and exports the user diagnosis and treatment record by using the user private key according to the user side authorization;
uploading a derived record additional timestamp and a digital signature of the healthcare facility node to the health information management blockchain.
8. The blockchain-based health information management method according to claim 1, wherein the method further comprises:
the health management node monitors whether the medical institution node has an illegal behavior, wherein the illegal behavior at least comprises one of the following behaviors: the user private key is stored without obtaining the user authorization, the user health information ciphertext is obtained from the health information management block chain without obtaining the user authorization, and the user diagnosis and treatment record locally stored in the medical institution node is exported without obtaining the user authorization;
and if so, canceling the authorization of the medical institution node.
9. An apparatus for blockchain-based health information management, 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 memory stores instructions executable by the at least one processor to enable the at least one processor to:
obtaining user side authorization, obtaining a user private key according to the user side authorization, obtaining a user health information ciphertext from a health information management block chain, and decrypting the user health information ciphertext by using the user private key;
acquiring a user diagnosis and treatment record, encrypting the user diagnosis and treatment record according to the user side authorization to form a continuous user health information ciphertext, and respectively uploading the continuous user health information ciphertext to a user cipher library of a health management node and the health information management block chain for continuously connecting the user health information ciphertext according to a time sequence.
10. A non-transitory computer storage medium for blockchain based health information management, storing computer-executable instructions configured to:
obtaining user side authorization, obtaining a user private key according to the user side authorization, obtaining a user health information ciphertext from a health information management block chain, and decrypting the user health information ciphertext by using the user private key;
acquiring a user diagnosis and treatment record, encrypting the user diagnosis and treatment record according to the user side authorization to form a continuous user health information ciphertext, and respectively uploading the continuous user health information ciphertext to a user cipher library of a health management node and the health information management block chain for continuously connecting the user health information ciphertext according to a time sequence.
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Application publication date: 20200918 |