security: Move KeyChain to security::v1 namespace and deprecated it

Change-Id: Ic4b6915ca15998a83b410f3f8fac027f797ee7ca
Refs: #3098
diff --git a/src/security/v1/secured-bag.cpp b/src/security/v1/secured-bag.cpp
new file mode 100644
index 0000000..8fccbc6
--- /dev/null
+++ b/src/security/v1/secured-bag.cpp
@@ -0,0 +1,83 @@
+/* -*- 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.
+ */
+
+#include "secured-bag.hpp"
+#include "../../encoding/tlv-security.hpp"
+#include "../../util/concepts.hpp"
+
+namespace ndn {
+namespace security {
+namespace v1 {
+
+//BOOST_CONCEPT_ASSERT((boost::EqualityComparable<SecuredBag>));
+BOOST_CONCEPT_ASSERT((WireEncodable<SecuredBag>));
+BOOST_CONCEPT_ASSERT((WireDecodable<SecuredBag>));
+static_assert(std::is_base_of<tlv::Error, SecuredBag::Error>::value,
+              "SecuredBag::Error must inherit from tlv::Error");
+
+SecuredBag::SecuredBag()
+  : m_wire(tlv::security::IdentityPackage)
+{
+}
+
+SecuredBag::SecuredBag(const Block& wire)
+{
+  this->wireDecode(wire);
+}
+
+SecuredBag::SecuredBag(const IdentityCertificate& cert, ConstBufferPtr key)
+  : m_cert(cert)
+  , m_key(key)
+  , m_wire(tlv::security::IdentityPackage)
+{
+  Block wireKey(tlv::security::KeyPackage, m_key);
+  Block wireCert(tlv::security::CertificatePackage, cert.wireEncode());
+  m_wire.push_back(wireCert);
+  m_wire.push_back(wireKey);
+}
+
+SecuredBag::~SecuredBag()
+{
+}
+
+void
+SecuredBag::wireDecode(const Block& wire)
+{
+  m_wire = wire;
+  m_wire.parse();
+
+  m_cert.wireDecode(m_wire.get(tlv::security::CertificatePackage).blockFromValue());
+
+  Block wireKey = m_wire.get(tlv::security::KeyPackage);
+  shared_ptr<Buffer> key = make_shared<Buffer>(wireKey.value(), wireKey.value_size());
+  m_key = key;
+}
+
+const Block&
+SecuredBag::wireEncode() const
+{
+  m_wire.encode();
+  return m_wire;
+}
+
+} // namespace v1
+} // namespace security
+} // namespace ndn