Changed implementation of random identifier.

RandomHelper.cs

@@ -0,0 +1,33 @@
+using System;
+using System.Security.Cryptography;
+
+namespace SmallInjectorDemo
+{
+    public static class RandomHelper
+    {
+
+        public static int NewRandomInteger(int min, int max)
+        {
+            // The random number provider.
+            using (var rand = new RNGCryptoServiceProvider())
+            {
+
+                uint scale = uint.MaxValue;
+                while (scale == uint.MaxValue)
+                {
+                    // Get four random bytes.
+                    var four_bytes = new byte[4];
+                    rand.GetBytes(four_bytes);
+
+                    // Convert that into an uint.
+                    scale = BitConverter.ToUInt32(four_bytes, 0);
+                }
+
+                // Add min to the scaled difference between max and min.
+                return (int)(min + (max - min) *
+                    (scale / (double)uint.MaxValue));
+
+            }
+        }
+    }
+}