From 876b279b914db4fbb8ae35c4736bea0b025b43e7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christian=20H=C3=BCbner?= <christian.huebner@ifak.eu>
Date: Mon, 24 Apr 2023 23:22:25 +0200
Subject: [PATCH] Prevent exception with missing RemoteCertificate

---
 UaClient/ServiceModel/Ua/Channels/ClientSessionChannel.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/UaClient/ServiceModel/Ua/Channels/ClientSessionChannel.cs b/UaClient/ServiceModel/Ua/Channels/ClientSessionChannel.cs
index ccc54ce..397b56c 100644
--- a/UaClient/ServiceModel/Ua/Channels/ClientSessionChannel.cs
+++ b/UaClient/ServiceModel/Ua/Channels/ClientSessionChannel.cs
@@ -343,7 +343,7 @@ protected override async Task OnOpenAsync(CancellationToken token = default)
                     LocalPrivateKey = tuple.Key;
                 }
             
-                var cert = _certificateParser.ReadCertificate(RemoteCertificate);
+                var cert = RemoteCertificate != null ? _certificateParser.ReadCertificate(RemoteCertificate) : null;
                 RemotePublicKey = cert?.GetPublicKey() as RsaKeyParameters;
 
                 var createSessionRequest = new CreateSessionRequest