LEA-SIoT: Hardware Architecture of Lightweight Encryption Algorithm for Secure IoT on FPGA Platform

Bharathi R,N Parvatham

doi:10.14569/ijacsa.2020.0110189

Abstract

The Internet of Things (IoT) is one of the emerging technology in today’s world to connect billions of electronic devices and providing the data security to these electronic devices while transmission from the attacks is a big challenging task. These electronic devices are smaller and consume less power. The conventional security algorithms are complex with its computations and not suitable for IoT environments. In this article, the hardware architecture of the new Lightweight encryption algorithm (LEA) for the secured Internet of things (SIoT) is designed, which includes Encryption, decryption along with key generation process. The New LEA-SIoT is a hybrid combination of the Feistel networks and Substitution-permutation Network (SPN). The encryption/decryption architecture is the composition of Logical operations, substitution transformations, and swapping. The encryption/decryption process is designed for 64-bit data input and 64-bit key inputs. The key generation process is designed with the help of KHAZAD block cipher algorithm. The encryption and key generation process are executing in parallel with pipelined architecture with five rounds to improve the hardware and computational complexity in IoT systems. TheLEA-SIoT is designed on the Xilinx platform and implemented on Artix-7 FPGA. The hardware constraints like area, power, and timing utilization are summarized. The Comparison of the LEA-SIoT with similar security algorithms is tabulated with improvements.

Highlights

There are billions of devices connected on the internet, and a massive amount of data being generated from these devices and collect these data in Internet of Things (IoT) with authentication, service support, and privacy is a big challenging task
The proposed Lightweight encryption algorithm for secure IoT (LEA-secured Internet of things (SIoT)) results are analyzed in the below section
This simulation result indicates that the lightweight encryption algorithm works effectively with low latency for IOT environment

Summary

Introduction

There are billions of devices connected on the internet, and a massive amount of data being generated from these devices and collect these data in IoT with authentication, service support, and privacy is a big challenging task. To secure the data in the IoT environment, the lightweight security algorithms are suitable and essential because of less computational complexity. These lightweight algorithms are analyzed with a security level, hardware technology, throughput, latency, energy and power consumption, Memory utilization, and efficiency [1,2,3]. The 4-layer architecture includes data perception, heterogeneous network access, data management, and intelligent service layer.5-layer IoT consists of Perception layer, network, processing layer, application, and business layer. The security challenges of IoT is security and data protection, authentication, privacy, access control, trust, and policy enforcement [4,5,6]

Methods

Results

Conclusion