From a7de6c7bd614cea06d44497f33b6a2f51ef3e579 Mon Sep 17 00:00:00 2001
From: schedpas <pascal.schedel@dr-schneider.com>
Date: Tue, 30 Nov 2021 11:14:49 +0100
Subject: [PATCH] prevent ReferenceNullException for equalizing UniquieID

---
 Pilz.Cryptography/UniquieID.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Pilz.Cryptography/UniquieID.cs b/Pilz.Cryptography/UniquieID.cs
index 5437b1f..bf09edd 100644
--- a/Pilz.Cryptography/UniquieID.cs
+++ b/Pilz.Cryptography/UniquieID.cs
@@ -91,7 +91,7 @@ namespace Pilz.Cryptography
         public override bool Equals(object obj)
         {
             var iD = obj as UniquieID<TargetType>;
-            var leftHasID = (iD?.HasID ?? false);
+            var leftHasID = iD != null && iD.HasID;
             var rightHasID = HasID;
 
             if (leftHasID && rightHasID)