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This disruptive era has a significant impact on the developing technologies in human beings, such as Internet of Things (IoT). IoT allows people and devices to transmit their data, hence intelligent environments, such as intelligent healthcare system, smart transportation, smart city, etc, are invented. Unfortunately, the wireless-based communication used by IoT opens an adversary to eavesdrop, delete, and alter the data transmitted to each device. In additional, the adversary can perform severe attacks, such as cloning, impersonation, and others. On the other hand, IoT opens a new challenge for achieving the security properties in preserving privacy in untraceable and unclonable device movement. This paper proposed the unclonable and untraceable sensor movement in the distributed IoT environments to resolve the aforementioned problems. The informally and formally analyses were used to ensure that our proposal has achieved security features and withstood from various attacks. Later, a comparison with the related protocols in the computational complexity will make our proposed protocol suitable for the IoT environment.

This research is proposed to resolve the problems in the existing user authentication protocol. Our proposal fulfills security features and withstands well-known attacks.<div><br></div>

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This article proposed a new protocol "untraceable and unclonable sensor movement in the distributed IoT environment". The proposal has the following several advantages: (1) the new protocol using PUF achieved the main contributions of both untraceable and unclonable sensors. (2) the new protocol also achieved standard security features such as mutual authentication, perfect forward and backward secrecy. (3) The proposed authentication protocol can withstand from various kinds of attacks, such as to reply, DoS, impersonation, and cloning attack. (4) Analysis formally using BAN Logic has been conducted and denoted that the protocol achieved a secure mutual authentication. In addition, analysis formally using the RoR model and Scyther tool denoted that the proposed protocol withstands from various attacks. (5) A comparison of security features and computational complexity ensures that the proposal is secure and has low computational complexity