Verifiable attribute-based keyword search scheme over encrypted data for personal health records in cloud

Autor: Yuqin Sun, Lidong Han, Jingguo Bi, Xiao Tan, Qi Xie
Jazyk: angličtina
Rok vydání: 2023
Předmět:
Zdroj: Journal of Cloud Computing: Advances, Systems and Applications, Vol 12, Iss 1, Pp 1-13 (2023)
Druh dokumentu: article
ISSN: 2192-113X
DOI: 10.1186/s13677-023-00451-5
Popis: Abstract Personal health record (PHR) is a medical model in which patients can upload their medical records and define the access control by themselves. Since the limited local storage and the development of cloud computing, many PHR services have been outsourced to the cloud. In order to ensure the privacy of electronic medical records, patients intend to encrypt their health records before uploading them. However, encrypted PHR can not be accessed directly and not be retrieved by legitimate users. To solve these issues, in this article we propose a new searchable encryption scheme with ciphertext-policy attributes, which achieves fine-grained access control and exact keyword search over encrypted PHRs. Moreover, in our proposed scheme, the receiver can verify the integrity of the search result that the cloud server returns. Finally, we simulate our scheme, and the experiments show that our scheme has high practicability for cloud-based healthcare systems and has high efficiency in aspects of keyword search and results verification.
Databáze: Directory of Open Access Journals