diff --git a/src/discoinforesponder.h b/src/discoinforesponder.h
index 08b0656e5cc896fda3e8d704de73b34d2ae6979c..6887f6a6c5235b98acb4764e6171a4ec2a96726b 100644
--- a/src/discoinforesponder.h
+++ b/src/discoinforesponder.h
@@ -1,65 +1,75 @@
-/**
- * libtransport -- C++ library for easy XMPP Transports development
- *
- * Copyright (C) 2011, Jan Kaluza <hanzz.k@gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02111-1301  USA
- */
-
-#pragma once
-
-#include <vector>
-#include <list>
-#include <boost/signal.hpp>
-#include "Swiften/Queries/GetResponder.h"
-#include "Swiften/Elements/DiscoInfo.h"
-#include "Swiften/Elements/CapsInfo.h"
-
-namespace Transport {
-
-class Config;
-
-class DiscoInfoResponder : public Swift::GetResponder<Swift::DiscoInfo> {
-	public:
-		DiscoInfoResponder(Swift::IQRouter *router, Config *config);
-		~DiscoInfoResponder();
-
-		void setTransportFeatures(std::list<std::string> &features);
-		void setBuddyFeatures(std::list<std::string> &features);
-
-		void addRoom(const std::string &jid, const std::string &name);
-		void clearRooms();
-
-		void addAdHocCommand(const std::string &node, const std::string &name);
-
-		boost::signal<void (const Swift::CapsInfo &capsInfo)> onBuddyCapsInfoChanged;
-
-		Swift::CapsInfo &getBuddyCapsInfo() {
-				return m_capsInfo;
-		}
-
-	private:
-		virtual bool handleGetRequest(const Swift::JID& from, const Swift::JID& to, const std::string& id, boost::shared_ptr<Swift::DiscoInfo> payload);
-		void updateFeatures();
-
-		Swift::DiscoInfo m_transportInfo;
-		Swift::DiscoInfo *m_buddyInfo;
-		Config *m_config;
-		Swift::CapsInfo m_capsInfo;
-		std::map<std::string, std::string> m_rooms;
-		std::map<std::string, std::string> m_commands;
-};
-
-}
+/**
+ * libtransport -- C++ library for easy XMPP Transports development
+ *
+ * Copyright (C) 2011, Jan Kaluza <hanzz.k@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02111-1301  USA
+ */
+
+#pragma once
+
+#include <vector>
+#include <list>
+#include <boost/signal.hpp>
+#include "Swiften/Queries/GetResponder.h"
+#include "Swiften/Elements/DiscoInfo.h"
+#include "Swiften/Elements/CapsInfo.h"
+#include <Swiften/Version.h>
+#define HAVE_SWIFTEN_3  SWIFTEN_VERSION >= 0x030000
+#if HAVE_SWIFTEN_3
+#include <Swiften/Crypto/CryptoProvider.h>
+#include <Swiften/Crypto/PlatformCryptoProvider.h>
+#endif
+
+
+namespace Transport {
+
+class Config;
+
+class DiscoInfoResponder : public Swift::GetResponder<Swift::DiscoInfo> {
+	public:
+		DiscoInfoResponder(Swift::IQRouter *router, Config *config);
+		~DiscoInfoResponder();
+
+		void setTransportFeatures(std::list<std::string> &features);
+		void setBuddyFeatures(std::list<std::string> &features);
+
+		void addRoom(const std::string &jid, const std::string &name);
+		void clearRooms();
+
+		void addAdHocCommand(const std::string &node, const std::string &name);
+
+		boost::signal<void (const Swift::CapsInfo &capsInfo)> onBuddyCapsInfoChanged;
+
+		Swift::CapsInfo &getBuddyCapsInfo() {
+				return m_capsInfo;
+		}
+
+	private:
+		virtual bool handleGetRequest(const Swift::JID& from, const Swift::JID& to, const std::string& id, boost::shared_ptr<Swift::DiscoInfo> payload);
+		void updateFeatures();
+
+		Swift::DiscoInfo m_transportInfo;
+		Swift::DiscoInfo *m_buddyInfo;
+		Config *m_config;
+		Swift::CapsInfo m_capsInfo;
+		std::map<std::string, std::string> m_rooms;
+		std::map<std::string, std::string> m_commands;
+#if HAVE_SWIFTEN_3
+		boost::shared_ptr<Swift::CryptoProvider> crypto;
+#endif
+};
+
+}