A Secure Data Sharing Framework with Blockchain in IoMT using Bald Eagle Search Optimization

In health information systems, present interoperability problems are solved by blockchain technology (BT). Moreover, blockchain technology offers the high-tech standard that assures a secure sharing of computerized healthcare information among healthcare providers, medical care organizations, individuals, and medical experts. In healthcare management, Internet of medical things (IoMT) devices can share sensory information from patients to be investigated and prepared. However, in IoMT devices the secrecy of patients’ health information transmission is still a major problem within a range of material regions. In order to overcome such challenges, an effective BES_SecDataSharing method is proposed for securely sharing the data with blockchain in IoMT. The entities involved in the proposed BES_SecDataSharing method are data owner, data user, cloud user, attribute authority, and blockchain. Six stages are involved in this proposed method are initialization phase, registration phase, key issuance phase, data preservation phase, authentication phase, and data sharing phase. The proposed BES_SecDataSharing methods has attained a minimum memory usage of 85 MB, validation time of 28.767 Sec, and normalized variance of 1.594. In addition, the method has obtained a maximum conditional privacy of 0.787.