From 128484c55a14111ead2f3fe216d62cabc6a0cb6c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rud=C3=A1=20Cunha?= <ruda@ruda.com.br>
Date: Mon, 15 Jul 2019 10:46:45 -0300
Subject: [PATCH] X509Certificate convert to X509Certificate2 in
 ClientCertificate

---
 Source/MQTTnet/Implementations/MqttTcpServerListener.cs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Source/MQTTnet/Implementations/MqttTcpServerListener.cs b/Source/MQTTnet/Implementations/MqttTcpServerListener.cs
index 62eea005..7ce1abee 100644
--- a/Source/MQTTnet/Implementations/MqttTcpServerListener.cs
+++ b/Source/MQTTnet/Implementations/MqttTcpServerListener.cs
@@ -171,6 +171,11 @@ namespace MQTTnet.Implementations
                     stream = sslStream;
 
                     clientCertificate = sslStream.RemoteCertificate as X509Certificate2;
+
+                    if (clientCertificate == null && sslStream.RemoteCertificate != null)
+                    {
+                        clientCertificate = new X509Certificate2(sslStream.RemoteCertificate.Export(X509ContentType.Cert));
+                    }
                 }
 
                 var clientHandler = ClientHandler;