Salloom, Ghassan, Karam Mohammed, Shroog Hameed, and Khanssaa Abdul Majed. “A Feistel-Based Modification of the PRESENT Lightweight Block Cipher”. Future Technology 5, no. 2 (January 14, 2026): 60–68. Accessed May 12, 2026. https://fupubco.com/futech/article/view/684.