diff --git a/daemon/mgmt/app-face.cpp b/daemon/mgmt/app-face.cpp
new file mode 100644
index 0000000..79bf39f
--- /dev/null
+++ b/daemon/mgmt/app-face.cpp
@@ -0,0 +1,17 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (C) 2014 Named Data Networking Project
+ * See COPYING for copyright and distribution information.
+ */
+
+#include "app-face.hpp"
+
+namespace nfd {
+
+void
+AppFace::sign(Data& data)
+{
+  m_keyChain.sign(data);
+}
+
+} // namespace nfd