Sami Hasan, Samer, and Zaid Hashim Jaber. “FPKIN: Firewall Public Key Infrastructure for NEMO”. International Journal of Engineering and Technology 7, no. 3.30 (August 24, 2018): 198–203. Accessed February 9, 2026. https://www.sciencepubco.com/index.php/IJET/article/view/19089.