Ramzi Guesmi received his MS degree in “Automatic and Signal Processing ” in 2005 from the National School of Engineering Tunis ENIT, Tunisia and Ph.D. degree in Electrical Engineering from National Engineering School of Sfax, Tunisia in 2016. He is currently an Assistant Professor at ISLAI-Beja, university of Jendouba, Tunisia. His areas of research are: Cryptography, Lightweight Cryptography, Security, Chaos theory, Machine learning and IOT. Now, he is member of LETI Laboratory (Sfax, Tunisia) and preparing his habilitation degree.