Lightweight Privacy-Preserving Identity-Based Verifiable IoT-Based Health Storage System

Abstract

The Internet of Things (IoT)-based health system provides patients and doctors a lot of conveniences, doctors can diagnose patients in time through monitored health data. However, doctors may make a wrong diagnosis of the patient's illness, if the health data stored on the cloud is tampered or lost due to an external attack or power failure. Therefore, it is of great importance to verify the integrity of the patient's health data stored on the cloud. Existing data integrity verification technologies usually need data owner to compute data authenticators for verification, but sensors on a patient in IoT-based health system have limited computation ability, thus existing data integrity verification technologies are not very suitable in IoT-based health system. This paper proposes a lightweight secure IoT-based health storage system to solve this problem. The proposed system employs edge server to compute data authenticators and verify data integrity, greatly reduces the system's computation cost and management burden of third party verifier. Security analysis and performance evaluation show the proposed system is feasible.