diff --git a/src/security/v1/sec-tpm-osx.hpp b/src/security/v1/sec-tpm-osx.hpp
new file mode 100644
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+++ b/src/security/v1/sec-tpm-osx.hpp
@@ -0,0 +1,169 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2013-2017 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/>
+ */
+
+#ifndef NDN_SECURITY_V1_SEC_TPM_OSX_HPP
+#define NDN_SECURITY_V1_SEC_TPM_OSX_HPP
+
+#include "../../common.hpp"
+
+#ifndef NDN_CXX_HAVE_OSX_SECURITY
+#error "This files should not be compiled ..."
+#endif
+
+#include "sec-tpm.hpp"
+
+namespace ndn {
+namespace security {
+namespace v1 {
+
+class SecTpmOsx : public SecTpm
+{
+public:
+  class Error : public SecTpm::Error
+  {
+  public:
+    explicit
+    Error(const std::string& what)
+      : SecTpm::Error(what)
+    {
+    }
+  };
+
+  explicit
+  SecTpmOsx(const std::string& location = "");
+
+  virtual
+  ~SecTpmOsx();
+
+  // Following methods are inherited from SecTpm
+  virtual void
+  setTpmPassword(const uint8_t* password, size_t passwordLength);
+
+  virtual void
+  resetTpmPassword();
+
+  virtual void
+  setInTerminal(bool inTerminal);
+
+  virtual bool
+  getInTerminal() const;
+
+  virtual bool
+  isLocked();
+
+  virtual bool
+  unlockTpm(const char* password, size_t passwordLength, bool usePassword);
+
+  virtual void
+  generateKeyPairInTpm(const Name& keyName, const KeyParams& params)
+  {
+    generateKeyPairInTpmInternal(keyName, params, false);
+  }
+
+  virtual void
+  deleteKeyPairInTpm(const Name& keyName)
+  {
+    deleteKeyPairInTpmInternal(keyName, false);
+  }
+
+  virtual shared_ptr<v1::PublicKey>
+  getPublicKeyFromTpm(const Name& keyName);
+
+  virtual Block
+  signInTpm(const uint8_t* data, size_t dataLength,
+            const Name& keyName, DigestAlgorithm digestAlgorithm)
+  {
+    return signInTpmInternal(data, dataLength, keyName, digestAlgorithm, false);
+  }
+
+  virtual ConstBufferPtr
+  decryptInTpm(const uint8_t* data, size_t dataLength, const Name& keyName, bool isSymmetric);
+
+  virtual ConstBufferPtr
+  encryptInTpm(const uint8_t* data, size_t dataLength, const Name& keyName, bool isSymmetric);
+
+  virtual void
+  generateSymmetricKeyInTpm(const Name& keyName, const KeyParams& params);
+
+  virtual bool
+  doesKeyExistInTpm(const Name& keyName, KeyClass keyClass);
+
+  virtual bool
+  generateRandomBlock(uint8_t* res, size_t size);
+
+  virtual void
+  addAppToAcl(const Name& keyName, KeyClass keyClass, const std::string& appPath, AclType acl);
+
+protected:
+  // Following methods are inherited from SecTpm
+  virtual std::string
+  getScheme();
+
+  virtual ConstBufferPtr
+  exportPrivateKeyPkcs8FromTpm(const Name& keyName)
+  {
+    return exportPrivateKeyPkcs8FromTpmInternal(keyName, false);
+  }
+
+  virtual bool
+  importPrivateKeyPkcs8IntoTpm(const Name& keyName, const uint8_t* buf, size_t size)
+  {
+    return importPrivateKeyPkcs8IntoTpmInternal(keyName, buf, size, false);
+  }
+
+  virtual bool
+  importPublicKeyPkcs1IntoTpm(const Name& keyName, const uint8_t* buf, size_t size);
+
+  // Following methods are OSX-specific
+  void
+  generateKeyPairInTpmInternal(const Name& keyName, const KeyParams& params, bool needRetry);
+
+  void
+  deleteKeyPairInTpmInternal(const Name& keyName, bool needRetry);
+
+  ConstBufferPtr
+  exportPrivateKeyPkcs8FromTpmInternal(const Name& keyName, bool needRetry);
+
+  bool
+  importPrivateKeyPkcs8IntoTpmInternal(const Name& keyName,
+                                       const uint8_t* buf, size_t size,
+                                       bool needRetry);
+
+  Block
+  signInTpmInternal(const uint8_t* data, size_t dataLength,
+                    const Name& keyName, DigestAlgorithm digestAlgorithm,
+                    bool needRetry);
+
+public:
+  static const std::string SCHEME;
+
+private:
+  class Impl;
+  shared_ptr<Impl> m_impl;
+};
+
+} // namespace v1
+} // namespace security
+} // namespace ndn
+
+#endif // NDN_SECURITY_V1_SEC_TPM_OSX_HPP