Issue #12551: Provide a get_channel_binding() method on SSL sockets so as
to get channel binding data for the current SSL session (only the
"tls-unique" channel binding is implemented).  This allows the
implementation of certain authentication mechanisms such as SCRAM-SHA-1-PLUS.

Patch by Jacek Konieczny.
diff --git a/Misc/ACKS b/Misc/ACKS
index 1e9a721..8a63f50 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -516,6 +516,7 @@
 Pat Knight
 Greg Kochanski
 Damon Kohler
+Jacek Konieczny
 Марк Коренберг
 Vlad Korolev
 Joseph Koshy