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28 March 2023 Medical data sharing scheme based on hybrid encryption with revocable attribute
Guo-Shuai Liu, Feng Guo, Chuan-Kun Wu
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Proceedings Volume 12566, Fifth International Conference on Computer Information Science and Artificial Intelligence (CISAI 2022); 1256618 (2023) https://doi.org/10.1117/12.2667309
Event: Fifth International Conference on Computer Information Science and Artificial Intelligence (CISAI 2022), 2022, Chongqing, China
Abstract
With the popularization of electronic medical record, internet medical care, AI medical image and other applications, the wave of medical digitization is coming. The electronization of medical data has brought convenience to the sharing of medical data, but it also makes the protection of personal sensitive data in medical data face unprecedented challenges. How to effectively protect personal sensitive information while sharing medical data. In this paper, a hybrid encryption algorithm based on SM4 encryption algorithm and Ciphertext-Policy Attribute-Based Encryption (CP-ABE) with revocable attributes is proposed. The algorithm first uses the SM4 encryption algorithm to encrypt the medical data, and then the SM4 encryption key is used as the encrypted data for encryption by CP-ABE. At the same time, aiming at the requirement of CP-ABE algorithm to revoke attributes, this paper proposes to embed a revocation table in the ciphertext to realize the direct revocation and restore of specific attributes of specific users. Through theoretical analysis and experimental verification, the revocable attribute hybrid encryption algorithm proposed has great advantages for the security and efficiency of personal sensitive information in cloud medical data.
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Guo-Shuai Liu, Feng Guo, and Chuan-Kun Wu "Medical data sharing scheme based on hybrid encryption with revocable attribute", Proc. SPIE 12566, Fifth International Conference on Computer Information Science and Artificial Intelligence (CISAI 2022), 1256618 (28 March 2023); https://doi.org/10.1117/12.2667309
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KEYWORDS
Clouds
Data processing
Evolutionary algorithms
Binary data
Data modeling
Internet of things
Medical devices
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