text: 
  const globals = require('./globals');
  var bigInt = require('big-integer');
  const elgamal = require('./elgamal-ds');
  
  
  var priv = elgamal.generatePrivateKey(globals.q);
  var pub = elgamal.generatePublicKey(globals.a, priv, globals.q);
  elgamal.sign("hi", globals.q, globals.a, priv.toString(16),function(signature){
      console.log(signature[0].toString());
      console.log(signature[1].toString());
      elgamal.verify ("hi", globals.a, globals.q, pub.toString(16),
      signature[0], signature[1]);
  });