A Privacy-Preserving Symptoms Retrieval System with the Aid of Homomorphic Encryption and Private Set Intersection Schemes.
Algorithms(2023)
摘要
This work presents an efficient and effective system allowing hospitals to share patients' private information while ensuring that each hospital database's medical records will not be leaked; moreover, the privacy of patients who access the data will also be protected. We assume that the thread model of the hospital's security is semi-honest (i.e., curious but honest), and each hospital hired a trusted medical records department administrator to manage patients' private information from other hospitals. With the help of Homomorphic Encryption- and Private Set Intersection -related algorithms, our proposed system protects patient privacy, allows physicians to obtain patient information across hospitals, and prevents threats such as troublesome insider attacks and man-in-the-middle attacks.
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关键词
private set intersection, medical records, homomorphic encryption, digital signature, system security analysis
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