diff --git a/tests/unit/util/random.t.cpp b/tests/unit/util/random.t.cpp
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+++ b/tests/unit/util/random.t.cpp
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+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * Copyright (c) 2013-2018 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 "util/random.hpp"
+#include "security/detail/openssl.hpp"
+
+#include "boost-test.hpp"
+
+#include <boost/mpl/vector.hpp>
+#include <cmath>
+
+namespace ndn {
+namespace tests {
+
+BOOST_AUTO_TEST_SUITE(Util)
+BOOST_AUTO_TEST_SUITE(TestRandom)
+
+class PseudoRandomWord32
+{
+public:
+  static uint32_t
+  generate()
+  {
+    return random::generateWord32();
+  }
+};
+
+class PseudoRandomWord64
+{
+public:
+  static uint64_t
+  generate()
+  {
+    return random::generateWord64();
+  }
+};
+
+class SecureRandomWord32
+{
+public:
+  static uint32_t
+  generate()
+  {
+    return random::generateSecureWord32();
+  }
+};
+
+class SecureRandomWord64
+{
+public:
+  static uint64_t
+  generate()
+  {
+    return random::generateSecureWord64();
+  }
+};
+
+typedef boost::mpl::vector<PseudoRandomWord32,
+                           PseudoRandomWord64,
+                           SecureRandomWord32,
+                           SecureRandomWord64> RandomGenerators;
+
+
+static double
+getDeviation(const std::vector<uint32_t>& counts, size_t size)
+{
+  // Kolmogorov-Smirnov Goodness-of-Fit Test
+  // http://www.itl.nist.gov/div898/handbook/eda/section3/eda35g.htm
+
+  std::vector<double> edf(counts.size(), 0.0);
+  double probability = 0.0;
+  for (size_t i = 0; i < counts.size(); i++) {
+    probability += 1.0 * counts[i] / size;
+    edf[i] = probability;
+  }
+
+  double t = 0.0;
+  for (size_t i = 0; i < counts.size(); i++) {
+    t = std::max(t, std::abs(edf[i] - (i * 1.0 / counts.size())));
+  }
+
+  return t;
+}
+
+
+BOOST_AUTO_TEST_CASE_TEMPLATE(GoodnessOfFit, RandomGenerator, RandomGenerators)
+{
+  const size_t MAX_BINS = 32;
+  const uint32_t MAX_ITERATIONS = 35;
+
+  std::vector<uint32_t> counts(MAX_BINS, 0);
+
+  for (uint32_t i = 0; i < MAX_ITERATIONS; i++) {
+    counts[RandomGenerator::generate() % MAX_BINS]++;
+  }
+
+  // Check if it is uniform distribution with confidence 0.95
+  // http://dlc.erieri.com/onlinetextbook/index.cfm?fuseaction=textbook.appendix&FileName=Table7
+  BOOST_WARN_LE(getDeviation(counts, MAX_ITERATIONS), 0.230);
+}
+
+BOOST_AUTO_TEST_CASE(GenerateRandomBytes)
+{
+  // Kolmogorov-Smirnov Goodness-of-Fit Test
+  // http://www.itl.nist.gov/div898/handbook/eda/section3/eda35g.htm
+
+  uint8_t buf[1024] = {0};
+  random::generateSecureBytes(buf, sizeof(buf));
+
+  std::vector<uint32_t> counts(256, 0);
+
+  for (size_t i = 0; i < sizeof(buf); i++) {
+    counts[buf[i]]++;
+  }
+
+  // Check if it is uniform distribution with confidence 0.95
+  // http://dlc.erieri.com/onlinetextbook/index.cfm?fuseaction=textbook.appendix&FileName=Table7
+  BOOST_WARN_LE(getDeviation(counts, sizeof(buf)), 0.230);
+}
+
+// This fixture uses OpenSSL routines to set a dummy random generator that always fails
+class FailRandMethodFixture
+{
+public:
+  FailRandMethodFixture()
+    : m_dummyRandMethod{&FailRandMethodFixture::seed,
+                        &FailRandMethodFixture::bytes,
+                        &FailRandMethodFixture::cleanup,
+                        &FailRandMethodFixture::add,
+                        &FailRandMethodFixture::pseudorand,
+                        &FailRandMethodFixture::status}
+  {
+    m_origRandMethod = RAND_get_rand_method();
+    RAND_set_rand_method(&m_dummyRandMethod);
+  }
+
+  ~FailRandMethodFixture()
+  {
+    RAND_set_rand_method(m_origRandMethod);
+  }
+
+private: // RAND_METHOD callbacks
+#if OPENSSL_VERSION_NUMBER < 0x1010000fL
+  static void
+  seed(const void* buf, int num)
+  {
+  }
+#else
+  static int
+  seed(const void* buf, int num)
+  {
+    return 0;
+  }
+#endif // OPENSSL_VERSION_NUMBER < 0x1010000fL
+
+  static int
+  bytes(unsigned char* buf, int num)
+  {
+    return 0;
+  }
+
+  static void
+  cleanup()
+  {
+  }
+
+#if OPENSSL_VERSION_NUMBER < 0x1010000fL
+  static void
+  add(const void* buf, int num, double entropy)
+  {
+  }
+#else
+  static int
+  add(const void* buf, int num, double entropy)
+  {
+    return 0;
+  }
+#endif // OPENSSL_VERSION_NUMBER < 0x1010000fL
+
+  static int
+  pseudorand(unsigned char* buf, int num)
+  {
+    return 0;
+  }
+
+  static int
+  status()
+  {
+    return 0;
+  }
+
+private:
+  const RAND_METHOD* m_origRandMethod;
+  RAND_METHOD m_dummyRandMethod;
+};
+
+BOOST_FIXTURE_TEST_CASE(Error, FailRandMethodFixture)
+{
+  uint8_t buf[1024] = {0};
+  BOOST_CHECK_THROW(random::generateSecureBytes(buf, sizeof(buf)), std::runtime_error);
+}
+
+BOOST_AUTO_TEST_SUITE_END() // TestRandom
+BOOST_AUTO_TEST_SUITE_END() // Util
+
+} // namespace tests
+} // namespace ndn