diff --git a/src/security/v1/secured-bag.hpp b/src/security/v1/secured-bag.hpp
new file mode 100644
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--- /dev/null
+++ b/src/security/v1/secured-bag.hpp
@@ -0,0 +1,85 @@
+/* -*- 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.
+ */
+
+#ifndef NDN_SECURITY_V1_SECURED_BAG_HPP
+#define NDN_SECURITY_V1_SECURED_BAG_HPP
+
+#include "../../common.hpp"
+#include "identity-certificate.hpp"
+
+namespace ndn {
+namespace security {
+namespace v1 {
+
+class SecuredBag
+{
+public:
+  class Error : public tlv::Error
+  {
+  public:
+    explicit
+    Error(const std::string& what)
+      : tlv::Error(what)
+    {
+    }
+  };
+
+  SecuredBag();
+
+  explicit
+  SecuredBag(const Block& wire);
+
+  SecuredBag(const IdentityCertificate& cert,
+             ConstBufferPtr key);
+
+  virtual
+  ~SecuredBag();
+
+  void
+  wireDecode(const Block& wire);
+
+  const Block&
+  wireEncode() const;
+
+  const IdentityCertificate&
+  getCertificate() const
+  {
+    return m_cert;
+  }
+
+  ConstBufferPtr
+  getKey() const
+  {
+    return m_key;
+  }
+
+private:
+  IdentityCertificate m_cert;
+  ConstBufferPtr m_key;
+
+  mutable Block m_wire;
+};
+
+} // namespace v1
+} // namespace security
+} // namespace ndn
+
+#endif // NDN_SECURITY_V1_SECURED_BAG_HPP