diff -ru libtorrent-0.12.2/src/protocol/handshake.cc libtorrent-0.12.2-noshare/src/protocol/handshake.cc
--- libtorrent-0.12.2/src/protocol/handshake.cc	2008-05-07 14:19:12.000000000 +0200
+++ libtorrent-0.12.2-noshare/src/protocol/handshake.cc	2008-07-25 14:57:51.000000000 +0200
@@ -1114,7 +1114,7 @@
       uint32_t length = std::min<uint32_t>(bitfield->size_bytes() - m_writePos, m_writeBuffer.reserved()) - m_writeBuffer.size_end();
 
       if (length > 0) {
-        std::memcpy(m_writeBuffer.end(), bitfield->begin() + m_writePos + m_writeBuffer.size_end(), length);
+        std::memset(m_writeBuffer.end(), 0, length);
         m_encryption.info()->encrypt(m_writeBuffer.end(), length);
         m_writeBuffer.move_end(length);
       }
@@ -1128,7 +1128,9 @@
       m_writeBuffer.move_end(-length);
 
     } else {
-      m_writePos += write_unthrottled(bitfield->begin() + m_writePos,
+      char dummy[bitfield->size_bytes() - m_writePos];
+      std::memset(dummy, 0, bitfield->size_bytes() - m_writePos);
+      m_writePos += write_unthrottled(dummy,
                                       bitfield->size_bytes() - m_writePos);
     }
   }
diff -ru libtorrent-0.12.2/src/protocol/peer_connection_leech.cc libtorrent-0.12.2-noshare/src/protocol/peer_connection_leech.cc
--- libtorrent-0.12.2/src/protocol/peer_connection_leech.cc	2008-05-07 14:19:12.000000000 +0200
+++ libtorrent-0.12.2-noshare/src/protocol/peer_connection_leech.cc	2008-07-25 14:57:51.000000000 +0200
@@ -527,7 +527,7 @@
                                                                 rak::greater(m_peerChunks.have_timer(), rak::mem_ref(&DownloadMain::have_queue_type::value_type::first)));
 
     do {
-      m_up->write_have((--last)->second);
+      --last;
     } while (last != haveQueue->begin() && m_up->can_write_have());
 
     m_peerChunks.set_have_timer(last->first + 1);