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diff --git a/websocketpp/common/random.hpp b/websocketpp/common/random.hpp
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+/*
+ * Copyright (c) 2014, Peter Thorson. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the WebSocket++ Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL PETER THORSON BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef WEBSOCKETPP_COMMON_RANDOM_DEVICE_HPP
+#define WEBSOCKETPP_COMMON_RANDOM_DEVICE_HPP
+
+#include <websocketpp/common/cpp11.hpp>
+
+// If we've determined that we're in full C++11 mode and the user hasn't
+// explicitly disabled the use of C++11 random header, then prefer it to
+// boost.
+#if defined _WEBSOCKETPP_CPP11_INTERNAL_ && !defined _WEBSOCKETPP_NO_CPP11_RANDOM_DEVICE_
+    #ifndef _WEBSOCKETPP_CPP11_RANDOM_DEVICE_
+        #define _WEBSOCKETPP_CPP11_RANDOM_DEVICE_
+    #endif
+#endif
+
+
+// If we're on Visual Studio 2010 or higher and haven't explicitly disabled
+// the use of C++11 random header then prefer it to boost.
+#if defined(_MSC_VER) && _MSC_VER >= 1600 && !defined _WEBSOCKETPP_NO_CPP11_MEMORY_
+    #ifndef _WEBSOCKETPP_CPP11_MEMORY_
+        #define _WEBSOCKETPP_CPP11_MEMORY_
+    #endif
+#endif
+
+
+
+#ifdef _WEBSOCKETPP_CPP11_RANDOM_DEVICE_
+    #include <random>
+#else
+    #include <boost/version.hpp>
+
+    #if (BOOST_VERSION/100000) == 1 && ((BOOST_VERSION/100)%1000) > 46
+        #include <boost/random/uniform_int_distribution.hpp>
+        #include <boost/random/random_device.hpp>
+    #elif (BOOST_VERSION/100000) == 1 && ((BOOST_VERSION/100)%1000) >= 43
+        #include <boost/nondet_random.hpp>
+    #else
+        // TODO: static_assert(false, "Could not find a suitable random_device")
+    #endif
+#endif
+
+namespace websocketpp {
+namespace lib {
+
+#ifdef _WEBSOCKETPP_CPP11_RANDOM_DEVICE_
+    using std::random_device;
+    using std::uniform_int_distribution;
+#else
+    using boost::random::random_device;
+    using boost::random::uniform_int_distribution;
+#endif
+
+} // namespace lib
+} // namespace websocketpp
+
+#endif // WEBSOCKETPP_COMMON_RANDOM_DEVICE_HPP