Design of a Secure Dynamic Identity Authentication Scheme for Health Internet of Things

To satisfy the security requirements of patients’ privacy and data’s security for health Internet of Things (IoT), various authentication schemes are proposed as guaranteed countermeasures. In particular, Wang et al. built an identity-based authentication scheme with extended Chebyshev chaotic maps. Nevertheless, considering service misuse attack and Denial-of-Service attack, Wang et al.’s method works inadequately. Also it is insufficient to provide efficient password change phase, fast error detection and session key agreement. As a remedy, we propose a novel dynamic identity authenticated key agreement scheme. Our scheme achieves resistance to the known attacks in order to meet the desirable security requirements. Furthermore, the presented scheme practically enables both user revocation/re-registration and biometric information protection, which are significant features ignored by most previous schemes. We confirm the effectiveness of our scheme via comprehensive comparisons in terms of resistance, functionality and performance.