From f93aeb3f8fa67ccdaac0f4a455ea3b393af65f5a Mon Sep 17 00:00:00 2001
From: Jennifer Sutton <jennifersutton@catalyst.net.nz>
Date: Tue, 24 Mar 2026 14:42:07 +1300
Subject: [PATCH] krb5: Correctly check if RC4 enctype is valid

krb5_enctype_valid() returns zero on success.
---
 lib/krb5/context.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/krb5/context.c b/lib/krb5/context.c
index a77e9974d..f4119a7d1 100644
--- a/lib/krb5/context.c
+++ b/lib/krb5/context.c
@@ -1116,7 +1116,7 @@ krb5_kerberos_enctypes(krb5_context context)
 	ETYPE_NULL
     };
 
-    if (krb5_enctype_valid(context, ETYPE_ARCFOUR_HMAC_MD5))
+    if (krb5_enctype_valid(context, ETYPE_ARCFOUR_HMAC_MD5) == 0)
         return weak;
 
     return strong;