@book{115012,
	author = {Leya Elizabeth Sunny and Guided by Varghese Paul},
	title = {Security enhancement of digital data using various versions of S-box in DES method},
	publisher = {Division of Information Technology, School of Engineering, CUSAT},
	year = {2024},
	address = {Kochi},
	url = {https://shodhganga.inflibnet.ac.in/handle/10603/661773}
}