From e2aa43d0a90f5b41cc14418b20ade98afd893617 Mon Sep 17 00:00:00 2001
From: Brian Warner <warner@lothar.com>
Date: Tue, 24 May 2016 00:00:21 -0700
Subject: [PATCH] transit: expose desired key length

---
 src/wormhole/twisted/transit.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/wormhole/twisted/transit.py b/src/wormhole/twisted/transit.py
index d0eef5e..cbc8724 100644
--- a/src/wormhole/twisted/transit.py
+++ b/src/wormhole/twisted/transit.py
@@ -548,6 +548,7 @@ def there_can_be_only_one(contenders):
 
 class Common:
     RELAY_DELAY = 2.0
+    TRANSIT_KEY_LENGTH = SecretBox.KEY_SIZE
 
     def __init__(self, transit_relay, no_listen=False, tor_manager=None,
                  reactor=reactor, timing=None):