diff --git a/src/conf.cpp b/src/conf.cpp
new file mode 100644
index 0000000..fba36b8
--- /dev/null
+++ b/src/conf.cpp
@@ -0,0 +1,123 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil -*- */
+/*
+ * Copyright (c) 2013, Regents of the University of California
+ *
+ * BSD license, See the LICENSE file for more information
+ *
+ * Author: Qiuhan Ding <qiuhanding@cs.ucla.edu>
+ */
+
+#include "conf.hpp"
+
+namespace chronochat {
+
+BOOST_CONCEPT_ASSERT((ndn::WireEncodable<Conf>));
+BOOST_CONCEPT_ASSERT((ndn::WireDecodable<Conf>));
+
+Conf::Conf()
+{
+}
+
+Conf::Conf(const Block& confWire)
+{
+  this->wireDecode(confWire);
+}
+
+template<bool T>
+size_t
+Conf::wireEncode(ndn::EncodingImpl<T>& block) const
+{
+  size_t totalLength = 0;
+
+  // Conf := CONF-TYPE TLV-LENGTH
+  //           Name
+  //           Nick
+  //
+  // Nick := NICK-TYPE TLV-LENGTH
+  //            String
+
+  // Nick
+  const uint8_t* nickWire = reinterpret_cast<const uint8_t*>(m_nick.c_str());
+  totalLength += block.prependByteArrayBlock(tlv::Nick, nickWire, m_nick.length());
+
+  // Identity
+  totalLength += m_identity.wireEncode(block);
+
+  // Conf
+  totalLength += block.prependVarNumber(totalLength);
+  totalLength += block.prependVarNumber(tlv::Conf);
+
+  return totalLength;
+}
+
+const Block&
+Conf::wireEncode() const
+{
+  ndn::EncodingEstimator estimator;
+  size_t estimatedSize = wireEncode(estimator);
+
+  ndn::EncodingBuffer buffer(estimatedSize, 0);
+  wireEncode(buffer);
+
+  m_wire = buffer.block();
+  m_wire.parse();
+
+  return m_wire;
+}
+
+void
+Conf::wireDecode(const Block& confWire)
+{
+  m_wire = confWire;
+  m_wire.parse();
+
+  // Conf := CONF-TYPE TLV-LENGTH
+  //           Name
+  //           Nick
+  //
+  // Nick := NICK-TYPE TLV-LENGTH
+  //            String
+
+  if (m_wire.type() != tlv::Conf)
+    throw Error("Unexpected TLV number when decoding conf packet");
+
+  // Identity
+  Block::element_const_iterator i = m_wire.elements_begin();
+  if (i == m_wire.elements_end())
+    throw Error("Missing Identity");
+  if (i->type() != tlv::Name)
+    throw Error("Expect Identity but get TLV Type " + std::to_string(i->type()));
+
+  m_identity.wireDecode(*i);
+  ++i;
+
+  // Nick
+  if (i == m_wire.elements_end())
+    return;
+  if (i->type() != tlv::Nick)
+    throw Error("Expect Nick but get TLV Type " + std::to_string(i->type()));
+
+  m_nick = std::string(reinterpret_cast<const char* >(i->value()),
+                       i->value_size());
+  ++i;
+
+  if (i != m_wire.elements_end()) {
+    throw Error("Unexpected element");
+  }
+}
+
+void
+Conf::setIdentity(const Name& identity)
+{
+  m_wire.reset();
+  m_identity = identity;
+}
+
+void
+Conf::setNick(const std::string& nick)
+{
+  m_wire.reset();
+  m_nick = nick;
+}
+
+} // namespace chronochat