diff --git a/tests/unit-tests/consumer-db.t.cpp b/tests/unit-tests/consumer-db.t.cpp
new file mode 100644
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+++ b/tests/unit-tests/consumer-db.t.cpp
@@ -0,0 +1,131 @@
+/* -*- 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 ndn-group-encrypt (Group-based Encryption Protocol for NDN).
+ * See AUTHORS.md for complete list of ndn-group-encrypt authors and contributors.
+ *
+ * ndn-group-encrypt 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.
+ *
+ * ndn-group-encrypt 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
+ * ndn-group-encrypt, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * @author Zhiyi Zhang <dreamerbarrychang@gmail.com>
+ */
+
+#include "consumer-db.hpp"
+#include "algo/rsa.hpp"
+#include "algo/aes.hpp"
+#include "boost-test.hpp"
+
+#include <boost/filesystem.hpp>
+
+namespace ndn {
+namespace gep {
+namespace tests {
+
+class ConsumerDBFixture
+{
+public:
+  ConsumerDBFixture()
+    : tmpPath(boost::filesystem::path(TMP_TESTS_PATH))
+  {
+    boost::filesystem::create_directories(tmpPath);
+  }
+
+  ~ConsumerDBFixture()
+  {
+    boost::filesystem::remove_all(tmpPath);
+  }
+
+  void
+  generateRsaKey(Buffer& encryptionKeyBuf, Buffer& decryptionKeyBuf)
+  {
+    RandomNumberGenerator rng;
+    RsaKeyParams params;
+    DecryptKey<algo::Rsa> dKey = algo::Rsa::generateKey(rng, params);
+    decryptionKeyBuf = dKey.getKeyBits();
+    EncryptKey<algo::Rsa> eKey = algo::Rsa::deriveEncryptKey(decryptionKeyBuf);
+    encryptionKeyBuf = eKey.getKeyBits();
+  }
+
+  void
+  generateAesKey(Buffer& encryptionKeyBuf, Buffer& decryptionKeyBuf)
+  {
+    RandomNumberGenerator rng;
+    AesKeyParams params;
+    DecryptKey<algo::Aes> memberDecryptKey = algo::Aes::generateKey(rng, params);
+    decryptionKeyBuf = memberDecryptKey.getKeyBits();
+    EncryptKey<algo::Aes> memberEncryptKey = algo::Aes::deriveEncryptKey(decryptionKeyBuf);
+    encryptionKeyBuf = memberEncryptKey.getKeyBits();
+  }
+
+public:
+  boost::filesystem::path tmpPath;
+};
+
+BOOST_FIXTURE_TEST_SUITE(TestConsumerDB, ConsumerDBFixture)
+
+BOOST_AUTO_TEST_CASE(OperateAesDecryptionKey)
+{
+  // construction
+  std::string dbDir = tmpPath.c_str();
+  dbDir += "/test.db";
+  ConsumerDB db(dbDir);
+
+  // generate key buffer
+  Buffer eKeyBuf;
+  Buffer dKeyBuf;
+  generateAesKey(eKeyBuf, dKeyBuf);
+
+  Name keyName("/alice/health/samples/activity/steps/C-KEY/20150928080000/20150928090000!");
+  keyName.append("FOR/alice/health/read/activity!");
+  db.addKey(keyName, dKeyBuf);
+  Buffer resultBuf = db.getKey(keyName);
+
+  BOOST_CHECK_EQUAL_COLLECTIONS(dKeyBuf.begin(), dKeyBuf.end(),
+                                resultBuf.begin(), resultBuf.end());
+
+  db.deleteKey(keyName);
+  resultBuf = db.getKey(keyName);
+
+  BOOST_CHECK_EQUAL(resultBuf.size(), 0);
+}
+
+BOOST_AUTO_TEST_CASE(OperateRsaDecryptionKey)
+{
+  // construction
+  std::string dbDir = tmpPath.c_str();
+  dbDir += "/test.db";
+  ConsumerDB db(dbDir);
+
+  // generate key buffer
+  Buffer eKeyBuf;
+  Buffer dKeyBuf;
+  generateRsaKey(eKeyBuf, dKeyBuf);
+
+  Name keyName("/alice/health/samples/activity/steps/D-KEY/20150928080000/20150928090000!");
+  keyName.append("FOR/test/member/KEY/123!");
+  db.addKey(keyName, dKeyBuf);
+  Buffer resultBuf = db.getKey(keyName);
+
+  BOOST_CHECK_EQUAL_COLLECTIONS(dKeyBuf.begin(), dKeyBuf.end(),
+                                resultBuf.begin(), resultBuf.end());
+
+  db.deleteKey(keyName);
+  resultBuf = db.getKey(keyName);
+
+  BOOST_CHECK_EQUAL(resultBuf.size(), 0);
+}
+
+BOOST_AUTO_TEST_SUITE_END()
+
+} // namespace tests
+} // namespace gep
+} // namespace ndn