The rapid development of IoT technology has led to the usage of various devices in our daily life. Along with the ever-increasing rise of the Internet of Things, the use of appropriate methods for establishing secure communications in health care systems is vital. The adoption of high-security optimal mechanisms for this purpose has been more effective regarding the efficiency of medical information systems; hence, many studies are being conducted in this field today. One of the most important components is the RFID cards that can be used for communication between entities in the environment. In healthcare systems, patient information is critical and nobody should have access to this information. Thus, providing security for these networks is essential. Recently, good researches have been done in the area of authentication for medical information systems, using RFID technology, which has a low computational cost. In this paper, we propose a novel method based on elliptic curve cryptography for vital and efficient and scalable authentication between RFID cards, card readers, and servers. This proposed method maintains security and has less computational cost and low elliptic curve point multiplication running time compared to similar recent methods.
Given the ever-increasing advances in science and technology in recent years, the security and authentication issues using elliptic curve cryptography (ECC) have gained a lot of attentions especially for smart cards in a variety of networks, such as smart homes and medical-based care systems being based on the Internet of things (IoT). In systems such as health care, patient information is always crucial and no one should have access to this information. Recently, much research has been conducted in the area of security and authentication for medical care systems being based on the IoT using RFID technology. One of these schemes is the Alamr et al.’s protocol, which bears high computational cost for authentication between card and reader. In this paper, we have proposed a scheme based on ECC in order to establish a mutual authentication within RFID technology in the IoT. In the proposed scheme, computational cost, communication cost and elliptic curve point multiplication running time and data storage cost are investigated. Moreover, security requirements and various attacks have also been considered in the proposed protocols. AVISPA software has also been used for security analysis. The analyses represent that the proposed scheme has lower computational costs, lower communication costs and less elliptic curve point multiplication time compared with those of similar protocols. It has also resolved the security shortcomings of the RFID authentication protocol.
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