Cloud Storage Data Sharing Based on Attribute Encryption in Smart Healthcare

NIU Shufen; SONG Mi; FANG Lizhi; WANG Caifen

doi:10.11999/JEIT210858

Volume 44 Issue 1

Jan. 2022

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Article Navigation > Journal of Electronics & Information Technology > 2022 > 44(1): 107-117

NIU Shufen, SONG Mi, FANG Lizhi, WANG Caifen. Cloud Storage Data Sharing Based on Attribute Encryption in Smart Healthcare[J]. Journal of Electronics & Information Technology, 2022, 44(1): 107-117. doi: 10.11999/JEIT210858

Citation:

NIU Shufen, SONG Mi, FANG Lizhi, WANG Caifen. Cloud Storage Data Sharing Based on Attribute Encryption in Smart Healthcare[J]. Journal of Electronics & Information Technology, 2022, 44(1): 107-117. doi: 10.11999/JEIT210858

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Cloud Storage Data Sharing Based on Attribute Encryption in Smart Healthcare

doi: 10.11999/JEIT210858

NIU Shufen¹,
SONG Mi^{1
,
,},
FANG Lizhi¹,
WANG Caifen^{1, 2}

1.
College of Computer Science and Engineering, Northwest Normal University, Lanzhou 730070, China
2.
College of Big Data and Internet, Shenzhen University of Technology, Shenzhen 518118, China

Funds: The National Natural Science Foundation of China (61562077, 61662069, 61662071, 61772022)

Received Date: 2021-08-19
Accepted Date: 2021-12-27
Rev Recd Date: 2021-12-27

Available Online: 2022-01-05

Publish Date: 2022-01-10

Abstract

Abstract

In order to achieve multi-user data search in electronic medical record system, an attribute based searchable encryption scheme is proposed. In this scheme, ciphertext and secure indexes are stored in the medical cloud. When the users want to access the medical data, the attribute-base searchable encryption algorithm is used for data search, and the fine-grained access control is realized. At the same time, ciphertext verification algorithm is introduced into the scheme, it solves the problem of incorrect search results under the semi-honest and curious cloud server models. The scheme uses data deduplication technology to eliminate duplicate data and reduce the storage space of the medical cloud. The scheme also realizes the hiding of access policy, and the privacy security of data users is guaranteed. The security analysis shows that the proposed scheme can well protect the confidentiality of medical data and the anonymity of users. The performance analysis demonstrate that the proposed scheme has better performance; Hence, it is more suitable for many-to-many application scenarios such as smart healthcare. It effectively realizes the sharing of patient electronic medical records between doctors and third-party users without infringing on patient privacy.
- Smart healthcare,
- Privacy protection,
- Attribute-based encryption,
- Ciphertext verifiable,
- Policy hiding

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References(22)

References

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