Electronic medical record data sharing scheme based on searchable encryption via consortium blockchain

Considering that it was difficult to share medical record data among different medical institutions in cloud storage,an electronic medical record data sharing scheme based on searchable encryption on blockchain was proposed.In order to realize the secure storage and sharing of electronic medical rec...

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Main Authors: Shufen NIU, Wenke LIU, Lixia CHEN, Caifen WANG, Xiaoni DU
Format: Article
Language:zho
Published: Editorial Department of Journal on Communications 2020-08-01
Series:Tongxin xuebao
Subjects:
Online Access:http://www.joconline.com.cn/zh/article/doi/10.11959/j.issn.1000-436x.2020116/
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author Shufen NIU
Wenke LIU
Lixia CHEN
Caifen WANG
Xiaoni DU
author_facet Shufen NIU
Wenke LIU
Lixia CHEN
Caifen WANG
Xiaoni DU
author_sort Shufen NIU
collection DOAJ
description Considering that it was difficult to share medical record data among different medical institutions in cloud storage,an electronic medical record data sharing scheme based on searchable encryption on blockchain was proposed.In order to realize the secure storage and sharing of electronic medical records in the scheme,the patient’s electronic medical record ciphertext was stored in the hospital server,the ciphertext hash value was stored in the private blockchain,and the keyword index was stored in the consortium blockchain.Searchable encryption was used to implement secure search of keywords in the consortium blockchain,and proxy re-encryption technology was used to realize the sharing of electronic medical records of patients by other data users.Security analysis shows that the proposed scheme can achieve ciphertext security and keyword security.Moreover,the performance of the scheme was analyzed by function analysis,computational efficiency analysis and numerical simulation.The performance analysis shows that the scheme can achieve high computational efficiency.
format Article
id doaj-art-5b2f080ea7ed46ffb9e63979d18af579
institution Kabale University
issn 1000-436X
language zho
publishDate 2020-08-01
publisher Editorial Department of Journal on Communications
record_format Article
series Tongxin xuebao
spelling doaj-art-5b2f080ea7ed46ffb9e63979d18af5792025-01-14T07:19:34ZzhoEditorial Department of Journal on CommunicationsTongxin xuebao1000-436X2020-08-014120421459736311Electronic medical record data sharing scheme based on searchable encryption via consortium blockchainShufen NIUWenke LIULixia CHENCaifen WANGXiaoni DUConsidering that it was difficult to share medical record data among different medical institutions in cloud storage,an electronic medical record data sharing scheme based on searchable encryption on blockchain was proposed.In order to realize the secure storage and sharing of electronic medical records in the scheme,the patient’s electronic medical record ciphertext was stored in the hospital server,the ciphertext hash value was stored in the private blockchain,and the keyword index was stored in the consortium blockchain.Searchable encryption was used to implement secure search of keywords in the consortium blockchain,and proxy re-encryption technology was used to realize the sharing of electronic medical records of patients by other data users.Security analysis shows that the proposed scheme can achieve ciphertext security and keyword security.Moreover,the performance of the scheme was analyzed by function analysis,computational efficiency analysis and numerical simulation.The performance analysis shows that the scheme can achieve high computational efficiency.http://www.joconline.com.cn/zh/article/doi/10.11959/j.issn.1000-436x.2020116/blockchainelectronic medical recordsearchable encryptionproxy re-encryptiondata sharing
spellingShingle Shufen NIU
Wenke LIU
Lixia CHEN
Caifen WANG
Xiaoni DU
Electronic medical record data sharing scheme based on searchable encryption via consortium blockchain
Tongxin xuebao
blockchain
electronic medical record
searchable encryption
proxy re-encryption
data sharing
title Electronic medical record data sharing scheme based on searchable encryption via consortium blockchain
title_full Electronic medical record data sharing scheme based on searchable encryption via consortium blockchain
title_fullStr Electronic medical record data sharing scheme based on searchable encryption via consortium blockchain
title_full_unstemmed Electronic medical record data sharing scheme based on searchable encryption via consortium blockchain
title_short Electronic medical record data sharing scheme based on searchable encryption via consortium blockchain
title_sort electronic medical record data sharing scheme based on searchable encryption via consortium blockchain
topic blockchain
electronic medical record
searchable encryption
proxy re-encryption
data sharing
url http://www.joconline.com.cn/zh/article/doi/10.11959/j.issn.1000-436x.2020116/
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AT wenkeliu electronicmedicalrecorddatasharingschemebasedonsearchableencryptionviaconsortiumblockchain
AT lixiachen electronicmedicalrecorddatasharingschemebasedonsearchableencryptionviaconsortiumblockchain
AT caifenwang electronicmedicalrecorddatasharingschemebasedonsearchableencryptionviaconsortiumblockchain
AT xiaonidu electronicmedicalrecorddatasharingschemebasedonsearchableencryptionviaconsortiumblockchain