| MQTT using SSL [message #1779879] |
Mon, 15 January 2018 09:36 |
 Marcel Ball
Messages: 1
Registered: January 2018 |
Junior Member |
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Hi,
I'm am trying to connect to an embedded mosquitto broker using a C# application using the Paho M2MQTT library. I have no problem connecting if I don't use SSL but when I set SSL to true I throw an invalid certificate exception.
I can connect using MQTTFx and the same certificate I am using with my application so I know there is nothing wrong with the certificate or the setup of the broker.
M2MQTT version: 4.3.0
DotNet version: 4.5
Mosquitto version: 1.4.14
MQTTFx versdion: 1.0.0
Below is a snippet of the code I am using:
public const String MQTT_BRIDGE_USER = "EWS_FM80_Bridge";
public const Int16 MQTT_BRIDGE_PORT_SSL_INT = 8883;
public const String MQTT_BRIDGE_USER = "ABC";
public const String MQTT_BRIDGE_PASSWORD = "123";
static MqttSslProtocols SSLProtocol = MqttSslProtocols.TLSv1_0;
//Setup MQTT credentials and create client
string clientId = MQTT_BRIDGE_USER + Guid.NewGuid().ToString();
MQTTClient = new MqttClient(tbIPAddress.Text, MQTT_BRIDGE_PORT_SSL_INT, true, new X509Certificate(Properties.Resources.ews_ca), null, SSLProtocol);
MQTTClient.MqttMsgPublishReceived += MQTTClient_MqttMsgPublishReceived;
MQTTClient.Connect(clientId, MQTT_BRIDGE_USER, MQTT_BRIDGE_PASSWORD);
//Subscribe to all messages
string[] topic = { "#" };
byte[] qosLevels = { MqttMsgBase.QOS_LEVEL_AT_LEAST_ONCE };
MQTTClient.Subscribe(topic, qosLevels);
The exception I see is: {"The remote certificate is invalid according to the validation procedure."}
It would be much appreciated if somebody could help me out here.
Cheers,
Marcel
[Updated on: Mon, 15 January 2018 21:45] Report message to a moderator |
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