diff --git a/src/security/v1/public-key.hpp b/src/security/v1/public-key.hpp
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+++ b/src/security/v1/public-key.hpp
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+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2013-2016 Regents of the University of California.
+ *
+ * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
+ *
+ * ndn-cxx library is free software: you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * ndn-cxx library 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 Lesser General Public License for more details.
+ *
+ * You should have received copies of the GNU General Public License and GNU Lesser
+ * General Public License along with ndn-cxx, e.g., in COPYING.md file.  If not, see
+ * <http://www.gnu.org/licenses/>.
+ *
+ * See AUTHORS.md for complete list of ndn-cxx authors and contributors.
+ *
+ * @author Yingdi Yu <http://irl.cs.ucla.edu/~yingdi/>
+ * @author Alexander Afanasyev <http://lasr.cs.ucla.edu/afanasyev/index.html>
+ * @author Jeff Thompson <jefft0@remap.ucla.edu>
+ */
+
+#ifndef NDN_SECURITY_V1_PUBLIC_KEY_HPP
+#define NDN_SECURITY_V1_PUBLIC_KEY_HPP
+
+#include "../../common.hpp"
+
+#include "../../encoding/buffer.hpp"
+#include "../../encoding/block.hpp"
+#include "../security-common.hpp"
+
+namespace CryptoPP {
+class BufferedTransformation;
+} // namespace CryptoPP
+
+namespace ndn {
+namespace security {
+namespace v1 {
+
+class PublicKey
+{
+public:
+  class Error : public std::runtime_error
+  {
+  public:
+    explicit
+    Error(const std::string& what)
+      : std::runtime_error(what)
+    {
+    }
+  };
+
+  /**
+   * The default constructor.
+   */
+  PublicKey();
+
+  /**
+   * @brief Create a new PublicKey from @p keyDerBuf in DER buffer
+   *
+   * @param keyDerBuf The pointer to the first byte of buffer containing DER of public key
+   * @param keyDerSize Size of the buffer
+   *
+   * @throws PublicKey::Error If DER in buffer cannot be decoded
+   */
+  PublicKey(const uint8_t* keyDerBuf, size_t keyDerSize);
+
+  const Buffer&
+  get() const
+  {
+    return m_key;
+  }
+
+  void
+  set(const uint8_t* keyDerBuf, size_t keyDerSize)
+  {
+    Buffer buf(keyDerBuf, keyDerSize);
+    m_key.swap(buf);
+  }
+
+  KeyType
+  getKeyType() const
+  {
+    return m_type;
+  }
+
+  /**
+   * @return a KeyDigest block that matches this public key
+   */
+  const Block&
+  computeDigest() const;
+
+  void
+  encode(CryptoPP::BufferedTransformation& out) const;
+
+  void
+  decode(CryptoPP::BufferedTransformation& in);
+
+  bool
+  operator==(const PublicKey& key) const
+  {
+    return m_key == key.m_key;
+  }
+
+  bool
+  operator!=(const PublicKey& key) const
+  {
+    return m_key != key.m_key;
+  }
+
+private:
+  KeyType m_type;
+  Buffer m_key;
+  mutable Block m_digest;
+};
+
+std::ostream&
+operator<<(std::ostream& os, const PublicKey& key);
+
+} // namespace v1
+} // namespace security
+
+#ifdef NDN_CXX_KEEP_SECURITY_V1_ALIASES
+/// @deprecated When needed, use explicit namespace
+using security::v1::PublicKey;
+#endif // NDN_CXX_KEEP_SECURITY_V1_ALIASES
+
+} // namespace ndn
+
+#endif // NDN_SECURITY_V1_PUBLIC_KEY_HPP