Switch to new KeyChain where possible

signed_interest::POS_RANDOM_VAL and signed_interest::POS_TIMESTAMP
constants are deprecated. Use command_interest:: equivalents instead.

This commit also includes fix for the backward compatibility regression
due to move of deprecated TPM/PublicInfo header files.

Change-Id: Ic3b008fc6758f3ac83f191158b6ac0789483f90d
Refs: #3098
diff --git a/src/security/sec-public-info.hpp b/src/security/sec-public-info.hpp
new file mode 100644
index 0000000..5101df5
--- /dev/null
+++ b/src/security/sec-public-info.hpp
@@ -0,0 +1,33 @@
+/* -*- 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.
+ */
+
+/**
+ * @file security/sec-public-info.hpp
+ * @deprecated Use new PIB backed routines
+ */
+
+#include "security-common.hpp"
+
+#ifdef NDN_CXX_KEEP_SECURITY_V1_ALIASES
+#include "v1/sec-public-info.hpp"
+#else
+#error "Deprecated. Use the new PIB backed routines"
+#endif // NDN_CXX_KEEP_SECURITY_V1_ALIASES