IBLOSH: IOT-Enabled Blockchain-Based Data Security Framework for Healthcare System
Keywords:
Internet of Things, Healthcare, Security, BlockchainAbstract
As Usage of Internet of Things (IoT) sensors and wearable devices has augmented in recent years in the healthcare domain to accumulate real-time data from patients and pass it over to the medical staff for further analysis, processing, and storage. Centralized computation, processing, and storage are subject to many concerns, including single points of failure, distrust among communicating stakeholders, and data security. Blockchain could be a preeminent alternative to address these issues with its inherent qualities such as decentralization, distributed, immutability, unanimity, security, and transparency. Hence, researchers have started integrating IoT and Blockchain for the medical industry to offer a secure e-healthcare mechanism. In this research, we introduce IBLOSH, an IoT-enabled Blockchain-based data security framework for healthcare systems. Our contributions through this research are (a) Depicting a layered architecture for healthcare systems that makes use of IoT and Blockchain (b) Complete methodological proposal of IBLOSH, including its schematic, detailed flow of communication, and its Blockchain perspective (c) Security verification of the said proposal (d) experimentation setup and (e) Results generated through execution of smart contracts. We employ the latest cryptographical options, such as AES for symmetric key encryption, RSA for public key infrastructure, SHA for integrity verification, and the ECDSA digital signature for authenticity. A broad empirical analysis is conducted to assess the IBLOSH's performance, and the outcomes state that the low latency results in improved efficacy.
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