diff --git a/ndnx/ndnx-pco.cpp b/ndnx/ndnx-pco.cpp
new file mode 100644
index 0000000..01c78da
--- /dev/null
+++ b/ndnx/ndnx-pco.cpp
@@ -0,0 +1,149 @@
+/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil -*- */
+/*
+ * Copyright (c) 2013 University of California, Los Angeles
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation;
+ *
+ * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ * Author: Zhenkai Zhu <zhenkai@cs.ucla.edu>
+ *         Alexander Afanasyev <alexander.afanasyev@ucla.edu>
+ */
+
+#include "ndnx-pco.h"
+#include "ndnx-cert.h"
+#include "hash-helper.h"
+
+namespace Ndnx {
+
+void
+ParsedContentObject::init(const unsigned char *data, size_t len)
+{
+  readRaw(m_bytes, data, len);
+
+  m_comps = ndn_indexbuf_create();
+  int res = ndn_parse_ContentObject(head (m_bytes), len, &m_pco, m_comps);
+  if (res < 0)
+  {
+    boost::throw_exception(MisformedContentObjectException());
+  }
+
+}
+
+ParsedContentObject::ParsedContentObject(const unsigned char *data, size_t len, bool verified)
+            : m_comps(NULL)
+            , m_verified(verified)
+{
+  init(data, len);
+}
+
+ParsedContentObject::ParsedContentObject(const Bytes &bytes, bool verified)
+            : m_comps(NULL)
+            , m_verified(verified)
+{
+  init(head(bytes), bytes.size());
+}
+
+ParsedContentObject::ParsedContentObject(const ParsedContentObject &other, bool verified)
+            : m_comps(NULL)
+            , m_verified(verified)
+{
+  init(head(other.m_bytes), other.m_bytes.size());
+}
+
+ParsedContentObject::~ParsedContentObject()
+{
+  ndn_indexbuf_destroy(&m_comps);
+  m_comps = NULL;
+}
+
+Bytes
+ParsedContentObject::content() const
+{
+  const unsigned char *content;
+  size_t len;
+  int res = ndn_content_get_value(head(m_bytes), m_pco.offset[NDN_PCO_E], &m_pco, &content, &len);
+  if (res < 0)
+  {
+    boost::throw_exception(MisformedContentObjectException());
+  }
+
+  Bytes bytes;
+  readRaw(bytes, content, len);
+  return bytes;
+}
+
+BytesPtr
+ParsedContentObject::contentPtr() const
+{
+  const unsigned char *content;
+  size_t len;
+  int res = ndn_content_get_value(head(m_bytes), m_pco.offset[NDN_PCO_E], &m_pco, &content, &len);
+  if (res < 0)
+  {
+    boost::throw_exception(MisformedContentObjectException());
+  }
+
+  return readRawPtr (content, len);
+}
+
+Name
+ParsedContentObject::name() const
+{
+  return Name(head(m_bytes), m_comps);
+}
+
+Name
+ParsedContentObject::keyName() const
+{
+  if (m_pco.offset[NDN_PCO_E_KeyName_Name] > m_pco.offset[NDN_PCO_B_KeyName_Name])
+  {
+    NdnxCharbufPtr ptr = boost::make_shared<NdnxCharbuf>();
+    ndn_charbuf_append(ptr->getBuf(), head(m_bytes) + m_pco.offset[NDN_PCO_B_KeyName_Name], m_pco.offset[NDN_PCO_E_KeyName_Name] - m_pco.offset[NDN_PCO_B_KeyName_Name]);
+
+    return Name(*ptr);
+}
+  else
+  {
+    return Name();
+  }
+}
+
+HashPtr
+ParsedContentObject::publisherPublicKeyDigest() const
+{
+  const unsigned char *buf = NULL;
+  size_t size = 0;
+  ndn_ref_tagged_BLOB(NDN_DTAG_PublisherPublicKeyDigest, head(m_bytes), m_pco.offset[NDN_PCO_B_PublisherPublicKeyDigest], m_pco.offset[NDN_PCO_E_PublisherPublicKeyDigest], &buf, &size);
+
+  return boost::make_shared<Hash>(buf, size);
+}
+
+ParsedContentObject::Type
+ParsedContentObject::type() const
+{
+  switch (m_pco.type)
+  {
+  case NDN_CONTENT_DATA: return DATA;
+  case NDN_CONTENT_KEY: return KEY;
+  default: break;
+  }
+  return OTHER;
+}
+
+void
+ParsedContentObject::verifySignature(const CertPtr &cert)
+{
+  m_verified = (ndn_verify_signature(head(m_bytes), m_pco.offset[NDN_PCO_E], &m_pco, cert->pkey()) == 1);
+}
+
+}