static void printPublicKey(RSA::PublicKey key)
   {
      ///////////////////////////////////////
      // Generated Parameters
      const Integer& n = key.GetModulus();
      const Integer& e = key.GetPublicExponent();

      cout << "RSA Parameters:" << endl;
      cout << " n: " << n << endl;
      cout << " e: " << e << endl;
      cout << endl;

   }
int
main(int argc, char ** argv)
{
	if (argc != 2) {
		cout << "Usage: keygen <outputname>" << endl;
		return -1;
	}
	AutoSeededRandomPool rng;
	InvertibleRSAFunction params;
	params.GenerateRandomWithKeySize(rng, 3072);
	RSA::PublicKey pubkey(params);
	RSA::PrivateKey privkey(params);

	Integer m = params.GetModulus();
	Integer p = params.GetModulus();
	Integer q = params.GetModulus();
	Integer priv = params.GetPrivateExponent();
	Integer pub = params.GetPublicExponent();

	string privname = string(argv[1]).append(".priv");
	string pubname = string(argv[1]).append(".pub");

	CryptoEngine::pubkeyToFile(pubkey, pubname);
	CryptoEngine::privkeyToFile(privkey, privname);

	cout << "Loading and verifying..." << endl;

	RSA::PrivateKey newpriv = CryptoEngine::privkeyFromFile(privname);
	RSA::PublicKey newpub = CryptoEngine::pubkeyFromFile(pubname);

	cout << (m == newpriv.GetModulus() ? "TRUE" : "FALSE") << endl;
	cout << (priv == newpriv.GetPrivateExponent() ? "TRUE" : "FALSE") << endl;
	cout << (pub == newpriv.GetPublicExponent() ? "TRUE" : "FALSE") << endl;

	cout << (m == newpub.GetModulus() ? "TRUE" : "FALSE") << endl;
	cout << (pub == newpub.GetPublicExponent() ? "TRUE" : "FALSE") << endl;

	return 0;
}
void PrintPublicKey(const RSA::PublicKey& key)
{
  cout << "n: " << key.GetModulus() << endl;
  cout << "e: " << key.GetPublicExponent() << endl;
}