diff --git a/src/nrd-config.cpp b/src/nrd-config.cpp
new file mode 100644
index 0000000..c6181f9
--- /dev/null
+++ b/src/nrd-config.cpp
@@ -0,0 +1,116 @@
+#include "nrd-config.hpp"
+
+namespace ndn {
+namespace nrd {
+
+NrdConfig::NrdConfig()
+  : m_isSecuritySectionDefined(false)
+{
+}
+
+void
+NrdConfig::load(const std::string& filename)
+{
+  std::ifstream inputFile;
+  inputFile.open(filename.c_str());
+  if (!inputFile.good() || !inputFile.is_open())
+  {
+    std::string msg = "Failed to read configuration file: ";
+    msg += filename;
+    std::cerr << filename << std::endl;
+    throw Error(msg);
+  }
+  load(inputFile, filename);
+  inputFile.close();
+}
+
+void
+NrdConfig::load(const std::string& input, const std::string& filename)
+{
+  std::istringstream inputStream(input);
+  load(inputStream, filename);
+}
+
+void
+NrdConfig::load(std::istream& input, const std::string& filename)
+{
+  BOOST_ASSERT(!filename.empty());
+
+  ConfigSection ptree;
+  try
+  {
+    boost::property_tree::read_info(input, ptree);
+  }
+  catch (const boost::property_tree::info_parser_error& error)
+  {
+    std::stringstream msg;
+    msg << "Failed to parse configuration file";
+    msg << " " << filename;
+    msg << " " << error.message() << " line " << error.line();
+    throw Error(msg.str());
+  }
+  process(ptree, filename);
+}
+
+void
+NrdConfig::process(const ConfigSection& configSection,
+                   const std::string& filename)
+{
+  BOOST_ASSERT(!filename.empty());
+
+  if (configSection.begin() == configSection.end())
+    {
+      std::string msg = "Error processing configuration file";
+      msg += ": ";
+      msg += filename;
+      msg += " no data";
+      throw Error(msg);
+    }
+
+  for (ConfigSection::const_iterator i = configSection.begin();
+       i != configSection.end(); ++i)
+    {
+      const std::string& sectionName = i->first;
+      const ConfigSection& section = i->second;
+
+      if (boost::iequals(sectionName, "security"))
+        {
+          onSectionSecurity(section, filename);
+        }
+      //Add more sections here as needed
+      //else if (boost::iequals(sectionName, "another-section"))
+        //{
+          //onSectionAnotherSection(section, filename);
+        //}
+      else
+        {
+          std::string msg = "Error processing configuration file";
+          msg += " ";
+          msg += filename;
+          msg += " unrecognized section: " + sectionName;
+          throw Error(msg);
+        }
+    }
+}
+
+void
+NrdConfig::onSectionSecurity(const ConfigSection& section,
+                             const std::string& filename)
+{
+  if (!m_isSecuritySectionDefined) {
+    //setSecturitySection(section);
+    m_securitySection = section;
+    m_filename = filename;
+    m_isSecuritySectionDefined = true;
+  }
+  else {
+    std::string msg = "Error processing configuration file";
+    msg += " ";
+    msg += filename;
+    msg += " security section can appear only once";
+    throw Error(msg);
+  }
+}
+
+} //namespace nrd
+} //namespace ndn