D. Yaseen Khudhur, S. Saad Hameed, and S. M. Al-Barzinji, “Enhancing e-banking security: using whirlpool hash function for card number encryption”, IJET, vol. 7, no. 2.13, pp. 281–286, Apr. 2018, doi: 10.14419/ijet.v7i2.13.12682.