c# pow implementation work

pow-csharp/onionrpow-cli/Program.cs

@@ -1,5 +1,7 @@
 using System;
 using System.Text;
+using System.IO;
+using System.Collections.Generic;
 
 using onionrpow;
 
@@ -9,8 +11,18 @@ namespace onionrpow_cli
     {
         static void Main(string[] args)
         {
-            Console.WriteLine("Hello World!");
-            onionrpow.OnionrPow.compute(Encoding.UTF8.GetBytes("test"), 4);
+
+            using (Stream stdin = Console.OpenStandardInput())
+            {
+                var data = new List<byte>();
+                byte[] buffer = new byte[60000];
+                int bytes;
+                while ((bytes = stdin.Read(buffer, 0, buffer.Length)) > 0) {
+                    //stdout.Write(buffer, 0, bytes);
+                    data.AddRange(buffer);
+                }
+                onionrpow.OnionrPow.compute(data.ToArray(), 3);
+            }
         }
     }
 }