Unordered: Initial stab at siphash example.

[SVN r81973]

examples/siphash/siphash_generate.cpp

@@ -0,0 +1,27 @@
+
+// Copyright 2012 Daniel James.
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+// This is also released into the public domain.
+
+#include "siphash.hpp"
+#include <boost/random/random_device.hpp>
+#include <boost/random/variate_generator.hpp>
+#include <boost/random/uniform_int.hpp>
+
+namespace hash
+{
+    sipkey generate_sipkey()
+    {
+        boost::random_device rng;
+        boost::variate_generator<boost::random_device&,
+            boost::uniform_int<boost::uint64_t> > gen(rng,
+                boost::uniform_int<boost::uint64_t>());
+
+        sipkey k;
+        k.k0 = gen();
+        k.k1 = gen();
+        return k;
+    }
+}