disp('************************************************************')disp('*                                                          *')disp('*            The ElGamal Public key Cryptosystem           *')disp('*                  ECE 575 Final Project                   *')disp('*                                                          *')disp('*          By Nirut Chalainanont and Mohammed Sinky        *')disp('*                                                          *')disp('************************************************************')disp(' ')disp(' ')disp('Hi, welcome to the ElGamal PKC.  This program is an implementation')disp('of the algorithm used in the ElGamal cryptographic system.  One or ')disp('two users can try this program out as sender and receiver. running')disp('the program consists of several steps involving calls to different')disp('functions.')   disp(' ')disp(' ')disp('To obtain more information answer "no" below and type "help elgamal" ')disp('at the MATLAB command prompt.')