diff --git a/cryptopp.hpp b/cryptopp.hpp
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+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2014,  Regents of the University of California
+ *
+ * This file is part of NSL (NDN Signature Logger).
+ * See AUTHORS.md for complete list of NSL authors and contributors.
+ *
+ * NSL is free software: you can redistribute it and/or modify it under the terms
+ * of the GNU General Public License as published by the Free Software Foundation,
+ * either version 3 of the License, or (at your option) any later version.
+ *
+ * NSL 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * NSL, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * See AUTHORS.md for complete list of nsl authors and contributors.
+ */
+
+#ifndef NSL_CRYPTOPP_HPP
+#define NSL_CRYPTOPP_HPP
+
+// suppress CryptoPP warnings
+#pragma GCC system_header
+#pragma clang system_header
+
+#include <cryptopp/asn.h>
+#include <cryptopp/base64.h>
+#include <cryptopp/des.h>
+#include <cryptopp/files.h>
+#include <cryptopp/filters.h>
+#include <cryptopp/hex.h>
+#include <cryptopp/modes.h>
+#include <cryptopp/osrng.h>
+#include <cryptopp/pssr.h>
+#include <cryptopp/pwdbased.h>
+#include <cryptopp/rsa.h>
+#include <cryptopp/sha.h>
+#include <cryptopp/eccrypto.h>
+#include <cryptopp/oids.h>
+#include <cryptopp/dsa.h>
+
+#endif // NSL_CRYPTOPP_HPP