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- W4387079215 abstract "The integration of fog computing and blockchain in the Internet of Medical Things (IoMT) domain has wholly transformed the healthcare industry and e-health services. In IoMT, the patient’s personal health data is shared on an open channel that makes the IoMT system an easy target for attackers. Therefore, confidentiality and authentication are the key security requirements for an IoMT system. Although few works have been proposed to provide secure communication in conventional healthcare infrastructures, limited work has been done to achieve data confidentiality and authentication in blockchain-based IoMT under fog environment. Therefore, this work proposes a blockchain-assisted certificateless aggregate signcryption called BCSoM scheme that achieves data confidentiality and device/patient authentication. In the proposed work, first, IoMT devices generate a signcrypted text and transmit it to an aggregator that generates an aggregated signcrypted text and sends it to a receiver fog server. The receiver fog server verifies the signcrypted text through the blockchain and also performs unsigncryption to retrieve the original message. The proposed scheme is proven secure under the Discrete Logarithm (DL) and Computational Diffe-Hellman (CDH) assumptions. Finally, a thorough performance analysis using the Hyperledger Fabric platform and cryptographic libraries shows that the proposed scheme is computationally more efficient when compared to existing works." @default.
- W4387079215 created "2023-09-28" @default.
- W4387079215 creator A5007265946 @default.
- W4387079215 creator A5089777702 @default.
- W4387079215 date "2023-12-01" @default.
- W4387079215 modified "2023-10-06" @default.
- W4387079215 title "BCSoM: Blockchain-based certificateless aggregate signcryption scheme for Internet of Medical Things" @default.
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- W4387079215 doi "https://doi.org/10.1016/j.comcom.2023.09.027" @default.
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