Fix default value in tun_key which should be ascii (encode in base-64 to fix)

diff --git a/src/nepi/testbeds/ns3/connection_metadata.py b/src/nepi/testbeds/ns3/connection_metadata.py
index d1392c4..b4b35c1 100644 (file)
--- a/src/nepi/testbeds/ns3/connection_metadata.py
+++ b/src/nepi/testbeds/ns3/connection_metadata.py
@@ -128,7 +128,7 @@ def connect_fd(testbed_instance, fdnd_guid, cross_data):
     testbed_instance.set(fdnd_guid, "tun_addr", address )
     testbed_instance.set(fdnd_guid, "tun_proto", "fd")
     testbed_instance.set(fdnd_guid, "tun_port", 0)
-    testbed_instance.set(fdnd_guid, "tun_key", "\xfa"*32) # unimportant, fds aren't encrypted
+    testbed_instance.set(fdnd_guid, "tun_key", ("\xfa"*32).encode("base64")) # unimportant, fds aren't encrypted
 
 def connect_tunchannel_fd(testbed_instance, tun_guid, fdnd_guid):
     fdnd = testbed_instance._elements[fdnd_guid]