diff --git a/ndn-cpp/security/security-exception.cpp b/ndn-cpp/security/security-exception.cpp
new file mode 100644
index 0000000..b4bbd22
--- /dev/null
+++ b/ndn-cpp/security/security-exception.cpp
@@ -0,0 +1,23 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil -*- */
+/**
+ * Copyright (C) 2013 Regents of the University of California.
+ * @author: Yingdi Yu <yingdi@cs.ucla.edu>
+ * @author: Jeff Thompson <jefft0@remap.ucla.edu>
+ * See COPYING for copyright and distribution information.
+ */
+
+#include "security-exception.hpp"
+using namespace std;
+
+namespace ndn {
+
+SecurityException::SecurityException(const string& errorMessage) throw()
+: errorMessage_(errorMessage)
+{
+}
+
+SecurityException::~SecurityException() throw()
+{
+}
+
+}