Design and Analysis of a Robust S-Box for Lightweight Cryptography in IoT Applications Using the PRESENT Algorithm

Information sharing groups prioritize security. IoT gadgets enable smooth data interchange and communications across smart gadgets, ushering in a new age of connectivity. Since the majority of Internet of Things devices are restricted in assets, implementing good safety precautions is challenging. Lighter Cryptography (LWC) approaches to IoT applications are essential, as the research shows. This project aims to create and test inexpensive encryption techniques and methods for IoT gadgets' limited memory, computing capacity, and electrical power. The paper starts with a detailed investigation of cryptography protocols and potential relevance to IoT contexts, stressing privacy and cost-effectiveness trade-offs. Next, the study designs and optimizes lightweight cryptographic basics for optimal both efficiency and safety. The technique of PRESENT is examined extensively. The groundbreaking 2007 extremely portable PRESENT block cipher should use a new substitution box (S-box). Two steps make up the recommended S-box design: static generation and adaptive optimisation. Stochastic randomized and pseudo-number sequence build the static S-box. The fixed S-box is subsequently optimized into an evolving S-box using gradient-based algorithms to improve data. protection. The results of the study in MATLAB 2021 indicate increased performance over the PRESENT cipher across numerous criteria. Competitive assessments employing renowned ciphers have shown the efficacy of the suggested cryptographic approach. Among multiple the suggested method surpasses current algorithms by 98% in latency, energy consumption, power, software efficiency and execution time, indicating its potential as a cryptographic design breakthrough.