Prajwalasimha S. N., Vaani K., Sahana G. C. “Handwritten Signature Image Fortification: An Implementation Based on Modified Blowfish Algorithm With Duffing Chaotic Substitution”. International Journal of Advanced Science and Technology 29, no. 04 (June 6, 2020): 8626 -. Accessed May 7, 2024. http://sersc.org/journals/index.php/IJAST/article/view/30600.