Indian Journal of Science and Technology

Abstract

Internet of Things (IoT) enables physical things to communicate, compute and take decisions based on any network activity. This calls for a secure solution for communication among heterogeneous devices. With the development in Information and Communication Technology (ICT), a unique impact of smart things is observed in our everyday life. IoT can consider users that interact in heterogeneous environment. In heterogeneous environment motive of each user in IoT can be different in form of communication and computation and is difficult to be judged. A malicious user can destroy the security and privacy of the network. This study gives a detailed analysis of existing security solutions for IoT. Firstly, a comparison of lightweight cryptography algorithms is made on basis of block size, key size, number of rounds, and probable attacks. Later, the various security issues in IoT are discussed along with possible solution. Security solutions in IoT will improve the trust over IoT. A secure solution that will require less computational power and is less vulnerable to existing attacks is desired. 
Keywords: Internet of Things (IoT), Lightweight Algorithms, Radio Frequency Identification (RFID), Wireless Sensor Networks (WSN)