WASET
    Konstantinos Chalkias and  George Filiadis and  George Stephanides,  Implementing Authentication Protocol for Exchanging Encrypted Messages via an Authentication Server Based on Elliptic Curve Cryptography with the ElGamal-s Algorithm.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    July 2007, vol. 7(7). 2231 - 2236
    [viewed 19 April 2024]. Available from: https://publications.waset.org/pdf/9354.