Ibn Sina: A patient privacy-preserving authentication protocol in medical internet of things

The prosperous advancement in Medical Internet of Things (MIoT) technologies has hastened the develop-ment of healthcare systems. MIoT improves the traditional medical facilities through periodically monitor of patient's health records. Electronic Medical Records (EMRs) are sensitive private data and needs effi-cient secure and private schemes that interchange these EMRs between healthcare providers and patients. Most of the current privacy preserving schemes do not provide the desired privacy level and suffer from computation and communication overheads.The length of an IDentity-based Strong Designated Verifier Signature (IDSDVS) is short. IDSDVS has low communication and computational costs. Moreover, it gives the signer (the patient) a control over whom can verify his signature. This feature allows patients to choose the verifier and keep the privacy of their Electronic Medical Records (EMR). This paper presents a new privacy-preserving authentication protocol in Medical Internet of Things (MIOT) that achieves patient privacy in MIoT. Precisely, we propose two new IDSDVS schemes. Utilizing the random oracle model, we show that these two schemes satisfy the secu-rity conditions. Furthermore, we evaluate the proposed IDSDVS schemes by comparing them to related schemes in the literature. The proposed schemes achieve lower costs of communication and computation than related schemes.(c) 2022 Elsevier Ltd. All rights reserved.