Abstract
Internet of Things (IoT) has been developed increasingly and is a next wave in the era of computing. IoT is the concept in which many of the objects are getting networked and connected anytime and anyplace. It uses any network and any service in a heterogeneous circumstance. According to recent research, it is estimated nearly 30 billion devices on IoT; therefore, the security issues on IoT turn into a vital fundamental in present tendency. Although IoT brought convenience life, most existing IoT devices were controlled by multiple units (or parties), including owners, employees, and maintenance vendors. Distinct units may join different Certificate Authorities (CAs) for the public key management. How to share a common session key between IoT devices certified by distinct CAs is a practical issue worth to be studied. Therefore, we propose an authentication key agreement protocol using elliptic curve algorithm with extended Canetti-Krawczyk (eCK) security that can solve heterogeneous IoT session key problem for distinct CAs and satisfies all security requirements of AKA protocols.
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