diff --git a/src/algo/aes.hpp b/src/algo/aes.hpp
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+++ b/src/algo/aes.hpp
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+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2014-2015,  Regents of the University of California
+ *
+ * This file is part of gep (Group-based Encryption Protocol for NDN).
+ * See AUTHORS.md for complete list of gep authors and contributors.
+ *
+ * gep 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.
+ *
+ * gep 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
+ * gep, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef NDN_GEP_ALGO_AES_HPP
+#define NDN_GEP_ALGO_AES_HPP
+
+#include <ndn-cxx/security/key-params.hpp>
+#include "random-number-generator.hpp"
+#include "algo/encrypt-params.hpp"
+#include "decrypt-key.hpp"
+#include "error.hpp"
+
+namespace ndn {
+namespace gep {
+namespace algo {
+
+class Aes
+{
+public:
+  static DecryptKey<Aes>
+  generateKey(RandomNumberGenerator& rng, AesKeyParams& params);
+
+  static EncryptKey<Aes>
+  deriveEncryptKey(const Buffer& keyBits);
+
+  static Buffer
+  decrypt(const Buffer& keyBits, const Buffer& encryptedData, const EncryptParams& params);
+
+  static Buffer
+  encrypt(const Buffer& keyBits, const Buffer& plainData, const EncryptParams& params);
+};
+
+typedef DecryptKey<Aes> AesEncryptKey;
+typedef EncryptKey<Aes> AesDecryptKey;
+
+} // namespace algo
+} // namespace gep
+} // namespace ndn
+
+#endif // NDN_GEP_ALGO_AES_ECB_HPP