--- libtorrent-0.12.9/src/protocol/handshake.h  2010-03-12 09:35:53.131686000 +0300
+++ libtorrent-0.12.9.new/src/protocol/handshake.h      2014-08-20 11:24:38.371862225 +0400
@@ -66,7 +66,7 @@
   static const uint32_t enc_pad_size         = 512;
   static const uint32_t enc_pad_read_size    = 96 + enc_pad_size + 20;

-  static const uint32_t buffer_size = enc_pad_read_size + 20 + enc_negotiation_size + enc_pad_size + 2 + handshake_size + 5;
+  static const uint32_t buffer_size = (enc_pad_read_size + 20 + enc_negotiation_size + enc_pad_size + 2 + handshake_size + 5)*2;

   typedef ProtocolBuffer<buffer_size> Buffer;