private void buttonGenratePublicKey_Click(object sender, EventArgs e)
        {
            try
            {
                EncryptionRSA rsa = new EncryptionRSA();

                string   CompositeKey = rsa.KeyGenrator();
                string[] stArray      = CompositeKey.Split('.');
                textBoxPublicKey.Text   = stArray[0];
                textBoxPrivateKeyE.Text = stArray[1];
                textBoxPrivateKey.Text  = stArray[1];
            }
            catch (Exception ex)
            {
                MessageBox.Show("System Can not genrate Public and Private Keys \n\nException:\n" + ex.Message + "\n\nPress OK to Proceede");
            }
        }