class Gform_Pgp_Encrypt extends GFCommon{

            private $path;

            public function __construct(){
                $this->path = '';
                add_filter( 'gform_disable_admin_notification', array( &$this, 'overwrite_admin_notification' ), 10, 3 );
            }

            public function overwrite_admin_notification($is_disabled, $form, $entry){

                self::send_crypt_admin_notification( $form, $entry );
                return true;
            }

            public static function send_crypt_admin_notification($form, $lead){
                $form_id = $form["id"];

                //handling admin notification email
                $subject = GFCommon::replace_variables(rgget("subject", $form["notification"]), $form, $lead, false, false);
                $message = GFCommon::replace_variables(rgget("message", $form["notification"]), $form, $lead, false, false, !rgget("disableAutoformat", $form["notification"]));
                $message = do_shortcode($message);
                $message = self::encrypt_message($message);
                $from = rgempty("fromField", $form["notification"]) ? rgget("from", $form["notification"]) : rgget($form["notification"]["fromField"], $lead);

                if(rgempty("fromNameField", $form["notification"])){
                    $from_name = rgget("fromName", $form["notification"]);
                }
                else{
                    $field = RGFormsModel::get_field($form, rgget("fromNameField", $form["notification"]));
                    $value = RGFormsModel::get_lead_field_value($lead, $field);
                    $from_name = GFCommon::get_lead_field_display($field, $value);
                }

                $replyTo = rgempty("replyToField", $form["notification"]) ? rgget("replyTo", $form["notification"]): rgget($form["notification"]["replyToField"], $lead);

                if(rgempty("routing", $form["notification"])){
                    $email_to = rgget("to", $form["notification"]);
                }
                else{
                    $email_to = array();

                    foreach($form["notification"]["routing"] as $routing){

                        $source_field = RGFormsModel::get_field($form, $routing["fieldId"]);
                        $field_value = RGFormsModel::get_field_value($source_field, array());
                        $is_value_match = is_array($field_value) ? in_array($routing["value"], $field_value) : $field_value == $routing["value"];

                        if( ($routing["operator"] == "is" && $is_value_match ) || ($routing["operator"] == "isnot" && !$is_value_match) )
                            $email_to[] = $routing["email"];
                    }

                    $email_to = join(",", $email_to);
                }

                //Running through variable replacement
                $email_to = GFCommon::replace_variables($email_to, $form, $lead, false, false);
                $from = GFCommon::replace_variables($from, $form, $lead, false, false);
                $bcc = GFCommon::replace_variables(rgget("bcc", $form["notification"]), $form, $lead, false, false);
                $reply_to = GFCommon::replace_variables($replyTo, $form, $lead, false, false);
                $from_name = GFCommon::replace_variables($from_name, $form, $lead, false, false);

                //Filters the admin notification email to address. Allows users to change email address before notification is sent
                $to = apply_filters("gform_notification_email_{$form_id}" , apply_filters("gform_notification_email", $email_to, $lead), $lead);

                self::send_email($from, $to, $bcc, $replyTo, $subject, $message, $from_name);
            }

            private static function send_email($from, $to, $bcc, $reply_to, $subject, $message, $from_name=""){

                //invalid to email address or no content. can't send email
                if(!GFCommon::is_valid_email($to) || (empty($subject) && empty($message)))
                    return;

                if(!GFCommon::is_valid_email($from))
                    $from = get_bloginfo("admin_email");

                //invalid from address. can't send email
                if(!GFCommon::is_valid_email($from))
                    return;

                $name = empty($from_name) ? $from : $from_name;
                $headers = "From: \"$name\" <$from> \r\n";
                $headers .= GFCommon::is_valid_email($reply_to) ? "Reply-To: $reply_to\r\n" :"";
                $headers .= GFCommon::is_valid_email($bcc) ? "Bcc: $bcc\r\n" :"";
                $headers .= 'Content-type: text/html; charset=' . get_option('blog_charset') . "\r\n";

                $result = wp_mail($to, $subject, $message, $headers);
            }

            private function encrypt_message($message){
                // will encrypt message here.
                return $message;
            }
        }