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-rw-r--r--src/or/circpathbias.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/src/or/circpathbias.c b/src/or/circpathbias.c
index a0115cc6ec..552947eba2 100644
--- a/src/or/circpathbias.c
+++ b/src/or/circpathbias.c
@@ -1,9 +1,18 @@
/* Copyright (c) 2001 Matej Pfajfar.
* Copyright (c) 2001-2004, Roger Dingledine.
* Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
- * Copyright (c) 2007-2015, The Tor Project, Inc. */
+ * Copyright (c) 2007-2016, The Tor Project, Inc. */
/* See LICENSE for licensing information */
+/**
+ * \file circpathbias.c
+ *
+ * \brief Code to track success/failure rates of circuits built through
+ * different tor nodes, in an attempt to detect attacks where
+ * an attacker deliberately causes circuits to fail until the client
+ * choses a path they like.
+ */
+
#include "or.h"
#include "channel.h"
#include "circpathbias.h"