Secure healthcare data transaction using hybrid attribute-based encryption with access control policy on cloud
by S. Vinothkumar; J. Amutharaj
International Journal of System of Systems Engineering (IJSSE), Vol. 14, No. 2, 2024

Abstract: Cloud computing environments are rapidly growing in healthcare, and security and confidentiality of medical records are a major concern. Increasingly, researchers and academics are paying attention to cloud-based medical data exchange. Even if medical data is not misused, it can be compromised or manipulated through the use of untrusted networks. So, in this paper, a hybrid cryptosystem is introduced to protect medical data that overcomes the limitations of existing cryptosystems. The proposed hybrid cryptosystem is called HABE which is a combination of cipher policy attribute-based encryption (CP-ABE) and elliptical curve cryptography (ECC). This method ensures the overall security of the sensor data, which guarantees confidentiality and integrity. Besides, the proposed system gives effective privacy with access control for user access according to trust-based data level access control (TDLA). Based on the TDLA, user access to the cloud environment is restricted. The effectiveness of the presented technique is evaluated based on Encryption time, decryption time, security level, throughput, and Time complexity.

Online publication date: Fri, 01-Mar-2024

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