CN109886027A - A kind of medical data secure sharing method based on block chain - Google Patents
A kind of medical data secure sharing method based on block chain Download PDFInfo
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- CN109886027A CN109886027A CN201910031575.2A CN201910031575A CN109886027A CN 109886027 A CN109886027 A CN 109886027A CN 201910031575 A CN201910031575 A CN 201910031575A CN 109886027 A CN109886027 A CN 109886027A
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Abstract
The present invention proposes a kind of medical data secure sharing method based on block chain.Firstly, user and node are registered in systems, while constructing data block structural model, medical data is stored with electronic health record list；Secondly, generating medical data according to registration information and data block structure model shares network, a node is selected according to country's grading in each region, by the joint structure block and saves in a network；Finally, system shares network by medical data and finds and pass back the electronic health record list that doctor needs to transfer when physician visits, doctor is examined using proxy re-encryption technology and is transmitted back to come the confidence level of electronic health record list.The present invention combines block chain technology and medical data, improves confidence level when medical data is shared between hospital.
Description
Technical field
The present invention relates to medical data technology of sharing fields, and in particular to shared safely to the medical data based on block chain
Method.
Background technique
With the development of medical information, each hospital all establishes respective information management system.However, between each hospital
Data sharing be always a problem, main cause is that data sharing needs the management organization of centralization to be authorized and managed
Reason, hospital is difficult to ensure the safety of data during using data information, once management organization is attacked, the confidence level of data
Also it will be unable to guarantee.
Block chain technology is that the computer technologies such as Distributed Storage, point-to-point transmission, common recognition mechanism, Encryption Algorithm exist
The innovation and application mode of Internet era, by transparent and credible rule, constructs retrospective piece of chain under peer to peer environment
Formula data structure, is realized and management transaction schema, has decentralization, transparent credible, anti-tamper and anti-counterfeiting, highly reliable
Feature.
Block chain technology and medical data are combined, can guarantee the safety and confidence level of medical data, to beat
The information island of broken medical data realizes that safety of the medical data between Different hospital is shared.
Summary of the invention
In view of the above-mentioned problems, the invention proposes a kind of medical data secure sharing method based on block chain, step are as follows:
(1) node and user share in network system in medical data registers, wherein each hospital represents in network
A node, be referred to as user using the patient and hospital staff of this system, hospital's node where when patient sees a doctor
Referred to as medical treatment node.The registration information that Node registry generates is stored in the database of node itself, and user registers on node,
The registration information of generation is stored in the database of register node；
Wherein registration process are as follows: node and user upload documentation of identity, and whether these files of systems inspection are effective, have
Effect then succeeds in registration.System carries out key agreement in client and node and user and generates public key and private key.System verification is in plain text
Part carries out encryption using SHA256 algorithm and generates public key index, and a public key indexes a corresponding public key.
(2) medical data block structure model, medical data block structure are constructed are as follows:
It 1, is minimum data unit by electronic health record nonoculture, each electronic health record list includes four information: Huan Zhegong
Key, metadata, data summarization, digital signature.Wherein, data summarization be doctor by client SHA256 algorithm to patient just
The hash value that the initial data that doctor generates encrypts；Metadata is that doctor adds the initial data generated of seeing a doctor with patient's public key
The ciphertext obtained after close；Digital signature is the cryptographic digest obtained after patient encrypts data summarization with the private key of itself；
2, by electronic health record single group at block, block is divided into block head and block body, and block head includes structural information, block
Body includes all electronic health record forms datas.Wherein block header structure is as follows:
HashPrevBlock: 256 hash values of previous block；
MerkleRoot: based on electronic health record simple form all in block at 256 hash values；
Time: since 1970-01-0100:00UTC till now, current time stamp in seconds；
BlockNo: block number, the hash value of the current block of compressed format are the unique identifications of block.
(3) it according to registration information and data block structure model, generates medical data and shares network, step has:
1, the privately owned chain of structure realm:
1) selection of leader node: according to the division in China administrative area, each administrative area is as a region, to area
Hospital in domain grades according to national rating scale, and a node is randomly selected in highest hospital, assigns it and constructs
The right of block, referred to as leader node, remaining node are known as member node；
2) leader node collects electronic health record list and whether detect it legal: patient generates electronic health record list after seeing a doctor,
It is stored in medical treatment node database, leader node constantly collects the electronic health record list of region, detects each electronics disease
Whether single legal: being decrypted with patient's public key to cryptographic digest (i.e. digital signature), the plaintext and data summarization obtained after decryption if going through
Equally, then electronic health record list is legal, and then legal electronic health record list is stored temporarily in own database；
3) leader joint structure block: leader node checks continually on the quantity of legal electronic health record list, inspection cycle
It is privately owned just to be finally constituted into region at a block for this K electronic health record single group when electronic health record odd number amount reaches K for T
Chain；
2, alliance's chain is constructed to store index information, and process is as follows:
1) the leader node in each region collects the registration information of hospital's node and user in the region, including public key rope
Draw and public key；
2) these registration informations are packaged into block by leader node, while creating an index for each registration user
Table；Concordance list is used to store the data summarization and the affiliated block number of electronic health record list of user's electronic health record list, and concordance list is only
One mark is the public key of user；
3) to the packed block of other leader node broadcasts and the concordance list of all users, each leader section
Point backs up all information.
4) after forming a legal block in privately owned chain, leader node issues the member node that order allows in region
Backup, while electronic health record list all in newly-generated legal block is traversed, according to patient included in electronic health record list
Public key find the concordance list of the patient, by the data summarization of the block number of the block and electronic health record list there are in concordance list,
Then the concordance list of update is broadcast to other leader nodes and is updated by leader node.
(4) doctor sees patients when wanting to transfer the pervious electronic health record list of patient, and system passes through verifying node identities, safety
It finds and passes required electronic health record list, specific steps back in ground are as follows:
1, patient provides documentation of identity first, and system generates public key according to documentation of identity and indexes, medical treatment node
It issues and requests to current chain leader node, indexed in request comprising public key；Leader node receives verifying medical treatment section after request
Point identity, identity is indexed with public key after passing through and finds patient's public key in alliance's chain, and the concordance list of patient is found according to public key
Send medical treatment node to, doctor transfers the index data for the electronic health record list for wanting to check, i.e. block sum number according to concordance list
Leader node is returned to according to abstract, and by index data；
2, after leader node receives index data, the leader node of object chain is forwarded a request to；
3, object chain leader node verifies current chain leader node identities after receiving request；After identity passes through, according to
Block number and data summarization find electronic health record list needed for doctor, and electronic health record is passed on a skill from a master to a single disciple to current chain leader node.
The method for verifying node identities are as follows: it is first random to generate a segment information after requested node receives request, it returns to and asks
Seek node；After requesting node receives the information, information is encrypted with own private key, ciphertext and documentation of identity are transmitted
To requested node；After requested node receives the documentation of identity of ciphertext and requesting node, according to the identity of requesting node
Documentary evidence generate public key index, find corresponding public key in alliance's chain, ciphertext be decrypted, if decryption after plaintext and should
Information is consistent, then authentication passes through, and receives request.
(5) digital signature and proxy re-encryption technology are utilized, under the premise of not revealing private key for user, to the electricity passed back
Sub- case history list is verified, specific steps are as follows:
1, it after the leader node of patient region receives electronic health record list, is transmitted to patient and currently sees a doctor node, be
System automaticly inspects the public key of electronic health record list, data summarization whether as data summarization in patient's concordance list that doctor chooses,
If different, data are insincere；Otherwise 2 are entered step；
2, system is from digital signature decryption of patient's public key to electronic health record list is employed, by obtained plaintext and data summarization
Compare, if different, data are insincere；Otherwise 3 are entered step；
3, system uses proxy re-encryption technology, and it is close to generate proxy re-encryption using the private key of patient and the public key of doctor
Key carries out re-encryption to electronic health record list with re-encrypted private key, allows doctor's private key decrypted metadata of oneself；
4, it after doctor's decrypted metadata obtains data clear text, with patient's public key to plaintext re-encrypted, will be obtained after encryption
Data summarization and former data summarization compare, if equally, the data in electronic health record list be it is believable, doctor can basis
The data are further seen patients.
Compared with prior art, advantage of the process is that
1) block chain technology is combined with medical data, gives full play to the decentralization of block chain, multi-party trustization
Advantage shares patient medical data, and it is inconvenient to solve the problems, such as that patient sees a doctor in Different hospital；
2) digital signature technology and proxy re-encryption mechanism combine, and improve the confidence level of data.
Detailed description of the invention
Fig. 1 is flow chart of the invention；
Fig. 2 is privately owned chain construction flow chart in region of the invention；
Fig. 3 is that medical data of the invention shares network.
Specific embodiment
As shown in Figure 1, a kind of medical data sharing method based on block chain of the present invention, step are as follows:
(1) node and user share in network system in medical data registers, wherein each hospital represents in network
A node, be referred to as user using the patient and hospital staff of this system, hospital's node where when patient sees a doctor
Referred to as medical treatment node.The registration information that Node registry generates is stored in the database of node itself, and user registers on node,
The registration information of generation is stored in the database of register node；
Wherein registration process are as follows: node and user upload documentation of identity, and whether these files of systems inspection are effective, have
Effect then succeeds in registration.System carries out key agreement in client and node and user and generates public key and private key.System verification is in plain text
Part carries out encryption using SHA256 algorithm and generates public key index, and a public key indexes a corresponding public key.
(2) medical data block structure model, medical data block structure are constructed are as follows:
It 1, is minimum data unit by electronic health record nonoculture, each electronic health record list includes four information: Huan Zhegong
Key, metadata, data summarization, digital signature.Wherein, data summarization be doctor by client SHA256 algorithm to patient just
The hash value that the initial data that doctor generates encrypts；Metadata is that doctor adds the initial data generated of seeing a doctor with patient's public key
The ciphertext obtained after close；Digital signature is the cryptographic digest obtained after patient encrypts data summarization with the private key of itself；
2, by electronic health record single group at block, block is divided into block head and block body, and block head includes structural information, block
Body includes all electronic health record forms datas.Wherein block header structure is as follows:
HashPrevBlock: 256 hash values of previous block；
MerkleRoot: based on electronic health record simple form all in block at 256 hash values；
Time: since 1970-01-0100:00UTC till now, current time stamp in seconds；
BlockNo: block number, the hash value of the current block of compressed format are the unique identifications of block.
(3) it as shown in figure 3, according to registration information and data block structure model, generates medical data and shares network,
Step has:
1, as shown in Fig. 2, the privately owned chain of structure realm:
1) selection of leader node: according to the division in China administrative area, each administrative area is as a region, to area
Hospital in domain grades according to national rating scale, and a node is randomly selected in highest hospital, assigns it and constructs
The right of block, referred to as leader node, remaining node are known as member node；
2) leader node collects electronic health record list and whether detect it legal: patient generates electronic health record list after seeing a doctor,
It is stored in medical treatment node database, leader node constantly collects the electronic health record list of region, detects each electronics disease
Whether single legal: being decrypted with patient's public key to cryptographic digest (i.e. digital signature), the plaintext and data summarization obtained after decryption if going through
Equally, then electronic health record list is legal, and then legal electronic health record list is stored temporarily in own database；
3) leader joint structure block: leader node checks continually on the quantity of legal electronic health record list, inspection cycle
It is 1 minute, when electronic health record odd number amount reaches 20, this 20 electronic health record single groups is just finally constituted into area at a block
The privately owned chain in domain；
2, alliance's chain is constructed to store index information, and process is as follows:
1) the leader node in each region collects the registration information of hospital's node and user in the region, including public key rope
Draw and public key；
2) these registration informations are packaged into block by leader node, while creating an index for each registration user
Table；Concordance list is used to store the data summarization and the affiliated block number of electronic health record list of user's electronic health record list, and concordance list is only
One mark is the public key of user；
3) to the packed block of other leader node broadcasts and the concordance list of all users, each leader section
Point backs up all information.
4) after forming a legal block in privately owned chain, leader node issues the member node that order allows in region
Backup, while electronic health record list all in newly-generated legal block is traversed, according to patient included in electronic health record list
Public key find the concordance list of the patient, by the data summarization of the block number of the block and electronic health record list there are in concordance list,
Then the concordance list of update is broadcast to other leader nodes and is updated by leader node.
(4) doctor sees patients when wanting to transfer the pervious electronic health record list of patient, and system passes through verifying node identities, safety
It finds and passes required electronic health record list, specific steps back in ground are as follows:
1, patient provides documentation of identity first, and system generates public key according to documentation of identity and indexes, medical treatment node
It issues and requests to current chain leader node, indexed in request comprising public key；Leader node receives verifying medical treatment section after request
Point identity, identity is indexed with public key after passing through and finds patient's public key in alliance's chain, and the concordance list of patient is found according to public key
Send medical treatment node to, doctor transfers the index data for the electronic health record list for wanting to check, i.e. block sum number according to concordance list
Leader node is returned to according to abstract, and by index data；
2, after leader node receives index data, the leader node of object chain is forwarded a request to；
3, object chain leader node verifies current chain leader node identities after receiving request；After identity passes through, according to
Block number and data summarization find electronic health record list needed for doctor, and electronic health record is passed on a skill from a master to a single disciple to current chain leader node.
The method for verifying node identities are as follows: it is first random to generate a segment information after requested node receives request, it returns to and asks
Seek node；After requesting node receives the information, information is encrypted with own private key, ciphertext and documentation of identity are transmitted
To requested node；After requested node receives the documentation of identity of ciphertext and requesting node, according to the identity of requesting node
Documentary evidence generate public key index, find corresponding public key in alliance's chain, ciphertext be decrypted, if decryption after plaintext and should
Information is consistent, then authentication passes through, and receives request.
(5) digital signature and proxy re-encryption technology are utilized, under the premise of not revealing private key for user, to the electricity passed back
Sub- case history list is verified, specific steps are as follows:
1, it after the leader node of patient region receives electronic health record list, is transmitted to patient and currently sees a doctor node, be
System automaticly inspects the public key of electronic health record list, data summarization whether as data summarization in patient's concordance list that doctor chooses,
If different, data are insincere；Otherwise 2 are entered step；
2, system is from digital signature decryption of patient's public key to electronic health record list is employed, by obtained plaintext and data summarization
Compare, if different, data are insincere；Otherwise 3 are entered step；
3, system uses proxy re-encryption technology, and it is close to generate proxy re-encryption using the private key of patient and the public key of doctor
Key carries out re-encryption to electronic health record list with re-encrypted private key, allows doctor's private key decrypted metadata of oneself；
4, it after doctor's decrypted metadata obtains data clear text, with patient's public key to plaintext re-encrypted, will be obtained after encryption
Data summarization and former data summarization compare, if equally, the data in electronic health record list be it is believable, doctor can basis
The data are further seen patients.
The above is only the preferable specific embodiments of the present invention, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope within, technical solution, that is, invention structure according to the present invention
Think of is subject to replace or change on an equal basis, should all cover within protection scope of the present invention.
Claims (5)
1. a kind of medical data secure sharing method based on block chain, it is characterised in that the method includes at least following
Step:
1) node and user share in network system in medical data registers；
2) medical data block structure model is constructed；
3) it according to registration information and data block models, generates medical data and shares network；
4) doctor sees patients when wanting to transfer the pervious electronic health record list of patient, and doctor, which sees patients, wants to transfer the pervious electronics disease of patient
When going through single, system safely finds by verifying node identities and passes required electronic health record list back；
5) digital signature and proxy re-encryption technology are utilized, under the premise of not revealing private key for user, to the electronic health record passed back
Singly verified.
2. a kind of medical data secure sharing method based on block chain according to claim 1, it is characterised in that described
Building medical data block structure in, digital signature is obtained after patient encrypts data summarization with the private key of itself
Cryptographic digest.
3. a kind of medical data secure sharing method based on block chain according to claim 1, it is characterised in that described
According to registration information and data block models, initialize medical data and share network, at least further include:
1) selection of leader node: according to the division in China administrative area, each administrative area, will be in region as a region
Hospital grade according to national rating scale, a node is randomly selected in highest hospital, assign it construct block
Right, referred to as leader node, remaining node be known as member node；
2) registration information is packaged into block by leader node, while creating a concordance list for each registration user；Index
Table be used to store user's electronic health record list data summarization and the affiliated block number of electronic health record list, the unique identification of concordance list be
The public key of user.
4. according to claim 1 a kind of based on block chain medical data sharing method, it is characterised in that the doctor
It sees patients when wanting to transfer the pervious electronic health record list of patient, doctor sees patients when wanting to transfer the pervious electronic health record list of patient, is
System safely finds by verifying node identities and passes required electronic health record list back, wherein the method for verifying node identities
Are as follows: it is first random to generate a segment information after requested node receives request, return to requesting node；Requesting node receives the information
Afterwards, information is encrypted with own private key, ciphertext and documentation of identity is transmitted to requested node；Requested node is received
After to the documentation of identity of ciphertext and requesting node, public key index is generated according to the documentation of identity of requesting node, is being joined
Alliance's chain finds corresponding public key, and ciphertext is decrypted, if the plaintext after decryption is consistent with the information, authentication passes through,
Receive request.
5. according to claim 1 a kind of based on block chain medical data sharing method, it is characterised in that the utilization
Proxy re-encryption technology verifies the electronic health record list passed back, at least further includes under the premise of not revealing private key for user
Following steps:
1) after the leader node of patient region receives electronic health record list, be transmitted to patient and currently see a doctor node, system from
Whether the dynamic public key for checking electronic health record list, data summarization are as data summarization in patient's concordance list that doctor chooses；
2) system carries out obtained plaintext and data summarization from digital signature decryption of patient's public key to electronic health record list is employed
Compare；
3) system uses proxy re-encryption technology, generates proxy re-encrypted private key using the private key of patient and the public key of doctor, uses
Re-encrypted private key carries out re-encryption to electronic health record list, allows doctor's private key decrypted metadata of oneself；
4) after doctor's decrypted metadata obtains data clear text, with patient's public key to plaintext re-encrypted, the number that will be obtained after encryption
Compare according to abstract and former data summarization.
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Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110414253A (en) * | 2019-08-05 | 2019-11-05 | 深圳市网心科技有限公司 | A kind of electronic health record management method, device, system and equipment based on block chain |
| CN110457928A (en) * | 2019-08-16 | 2019-11-15 | 重庆华医康道科技有限公司 | Doctor based on block chain looks forward to cooperation internet hospital data method for protecting |
| CN111312378A (en) * | 2020-02-17 | 2020-06-19 | 吉林大学 | Paid sharing method for medical information based on block chain |
| CN111415718A (en) * | 2020-02-29 | 2020-07-14 | 重庆邮电大学 | Electronic prescription sharing method based on block chain and conditional proxy re-encryption |
| CN111556140A (en) * | 2020-04-26 | 2020-08-18 | 北京师范大学珠海分校 | Multi-layer block chain network architecture and data storage and sharing method thereof |
| CN111916217A (en) * | 2020-08-07 | 2020-11-10 | 上海交通大学医学院附属第九人民医院 | Block chain-based medical data management method, system, storage medium and terminal |
| CN111933292A (en) * | 2020-09-27 | 2020-11-13 | 浙江杜比医疗科技有限公司 | Block chain-based hospital body and medical data interaction method and storage medium |
| CN112134710A (en) * | 2020-09-21 | 2020-12-25 | 南京工程学院 | Blacklist recording method and system based on block chain |
| CN112260996A (en) * | 2020-09-22 | 2021-01-22 | 广州思达信息科技有限公司 | Medicine management method based on block chain |
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| CN112613061A (en) * | 2021-01-06 | 2021-04-06 | 上海泰砥科技有限公司 | Electronic prescription sharing method and device based on proxy re-encryption |
| CN112733164A (en) * | 2021-01-07 | 2021-04-30 | 中南大学 | Case sharing method and system based on block chain and private key storage medium |
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| CN112836240A (en) * | 2021-02-26 | 2021-05-25 | 广东工业大学 | Block chain-based electronic medical data security sharing method, system and medium |
| CN112836225A (en) * | 2021-02-08 | 2021-05-25 | 西安邮电大学 | Electronic medical record sharing method based on block chain |
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| CN113488128A (en) * | 2021-07-28 | 2021-10-08 | 平安国际智慧城市科技股份有限公司 | Block chain-based electronic medical record retrieval method and device and related equipment |
| CN115794958A (en) * | 2023-01-28 | 2023-03-14 | 广东南方电信规划咨询设计院有限公司 | Medical data sharing method, device and system based on block chain |
| CN116665913A (en) * | 2023-07-13 | 2023-08-29 | 之江实验室 | Cross-institution patient matching system and method |
| CN116743513A (en) * | 2023-08-16 | 2023-09-12 | 成都中医药大学附属医院(四川省中医医院) | Safe operation method and system for remotely retrieving electronic medical records |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011181025A (en) * | 2010-03-04 | 2011-09-15 | Konica Minolta Medical & Graphic Inc | Medical cooperation system |
| CN106131225A (en) * | 2016-08-30 | 2016-11-16 | 孟玲 | The security system accessed for medical treatment case information |
| CN106682530A (en) * | 2017-01-10 | 2017-05-17 | 杭州电子科技大学 | Method and device for medical information sharing privacy protection based on blockchain technology |
| CN107391944A (en) * | 2017-07-27 | 2017-11-24 | 北京太云科技有限公司 | A kind of electronic health record shared system based on block chain |
| CN107819770A (en) * | 2017-11-15 | 2018-03-20 | 中国联合网络通信集团有限公司 | Medical data sharing method for secret protection and device based on block chain |
| CN108063752A (en) * | 2017-11-02 | 2018-05-22 | 暨南大学 | A kind of credible genetic test and data sharing method based on block chain and proxy re-encryption technology |
| CN108449359A (en) * | 2018-04-16 | 2018-08-24 | 济南浪潮高新科技投资发展有限公司 | A kind of electronic health record sharing method and system based on block chain |
| CN108600227A (en) * | 2018-04-26 | 2018-09-28 | 众安信息技术服务有限公司 | A kind of medical data sharing method and device based on block chain |
-
2019
- 2019-01-14 CN CN201910031575.2A patent/CN109886027A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011181025A (en) * | 2010-03-04 | 2011-09-15 | Konica Minolta Medical & Graphic Inc | Medical cooperation system |
| CN106131225A (en) * | 2016-08-30 | 2016-11-16 | 孟玲 | The security system accessed for medical treatment case information |
| CN106682530A (en) * | 2017-01-10 | 2017-05-17 | 杭州电子科技大学 | Method and device for medical information sharing privacy protection based on blockchain technology |
| CN107391944A (en) * | 2017-07-27 | 2017-11-24 | 北京太云科技有限公司 | A kind of electronic health record shared system based on block chain |
| CN108063752A (en) * | 2017-11-02 | 2018-05-22 | 暨南大学 | A kind of credible genetic test and data sharing method based on block chain and proxy re-encryption technology |
| CN107819770A (en) * | 2017-11-15 | 2018-03-20 | 中国联合网络通信集团有限公司 | Medical data sharing method for secret protection and device based on block chain |
| CN108449359A (en) * | 2018-04-16 | 2018-08-24 | 济南浪潮高新科技投资发展有限公司 | A kind of electronic health record sharing method and system based on block chain |
| CN108600227A (en) * | 2018-04-26 | 2018-09-28 | 众安信息技术服务有限公司 | A kind of medical data sharing method and device based on block chain |
Non-Patent Citations (2)
| Title |
|---|
| 徐文玉等: "基于区块链和同态加密的电子健康记录隐私保护方案", 《计算机研究与发展》, no. 10, 15 October 2018 (2018-10-15) * |
| 陈隆轩等: "区块链技术在电子病历上的应用研究", 《大数据时代》, no. 05, 28 May 2018 (2018-05-28) * |
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