import javax.crypto.*;
import java.security.*;
import java.io.*;
public class KeyHandler{
	public static void main(String args[]){
		try{
			KeyGenerator kgen = KeyGenerator.getInstance("Blowfish");
			kgen.init(120, new SecureRandom());
			SecretKey sk = kgen.generateKey();
			FileOutputStream fos = new FileOutputStream(args[0]); 
			ObjectOutputStream oos = new ObjectOutputStream(fos);
			oos.writeObject(sk);
			fos.close();
			oos.close();
		}catch(Exception e){
			e.printStackTrace();
		}
	}
}