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The Internet of Things (loT) is advantageous in many areas such as people, society, and industries as it interconnects a different kind of devices and information entities hence it originates a huge number of value-added services. Typically, IoT environments are comprised of many diversified devices but with limited resource. To establish an end-to-end authentication between the applications and monitoring devices in a smart environment is a tough task. Because of multifariousness in respect of topology, devices, different security and communication used in IoT, the authentication mechanisms which are existing in the current period are ill-protected to security threats and can be a disruption in the progress of IoT in realizing Smart Environment. Hence, the symmetric and asymmetric cryptosystems have to be convergent and to guarantee the complete security of IoT environment a lightweight cryptographic protocol is …