From a8a20462b516b0cc39e9b1fb1a8dd514eb1aed29 Mon Sep 17 00:00:00 2001
From: Mark Andrews <marka@isc.org>
Date: Fri, 1 Sep 2017 11:17:59 +1000
Subject: [PATCH] 4697.   [bug]           Restore workaround for Microsoft
 Windows TSIG hash                         computation bug. [RT #45854]

---
 lib/dns/rdataset.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/dns/rdataset.c b/lib/dns/rdataset.c
index 1386840..e563963 100644
--- a/lib/dns/rdataset.c
+++ b/lib/dns/rdataset.c
@@ -466,6 +466,9 @@ towiresorted(dns_rdataset_t *rdataset, const dns_name_t *owner_name,
 	dns_name_copy(owner_name, name, NULL);
 	dns_rdataset_getownercase(rdataset, name);
 
+	if ((owner_name->attributes & DNS_NAMEATTR_NOCOMPRESS) != 0)
+		name->attributes |= DNS_NAMEATTR_NOCOMPRESS;
+
 	do {
 		/*
 		 * Copy out the name, type, class, ttl.
-- 
2.9.5