Use Cases of Implicit Authentication and Key Establishment with Sender and Receiver ID Binding

Common public key based authentication and key establishment (AKE) mechanisms with related Public Key Infrastructures (PKI) are relatively heavy. In this paper we explore public key and identity (ID) based AKE protocols, which do not require certificate authorities. We apply this approach to the symmetric key cryptography by creating a novel and lightweight symmetric key AKE protocol based on sender and/or receiver IDs. To show, how our protocol can be used in places, where common PKI does not perform well we present four new and interesting use cases. One of them is a simple and efficient ISP service user AKE with the help of telecom operator´s Short Message Service (SMS). Our protocol can also be used for wireless network access AKE.