// Sample use of Java classes MessageDigest and SecureRandom.  See the Java
// API for more information.  Recall, MessageDigest supplies hash objects and
// SecureRandom supplies a crytographically strong random number (a large
// number with a high probability of being prime).
import java.io.*;
import java.net.*;            // For Socket, etc.
import java.math.*;           // For BigInteger

public class DH_Client {
   public static void main (String arg[]) {
      InputStreamReader isr;
      BufferedReader in;
      PrintWriter out;

      try {
	 DiffieHellmanExchange dh = new DiffieHellmanExchange("DHKey");

	 // Connect to the server
	 Socket connect = new Socket("localhost", 8284);
	 isr = new InputStreamReader(connect.getInputStream());
	 in = new BufferedReader(isr);
	 out = new PrintWriter(connect.getOutputStream(), true);

	 dh.computeSecret(in,out);

	 System.out.println("Client: secret = "+dh.s_secret);
      } catch (Exception e) {
	 System.out.println("Yikes!");
      }
   }
}