The wolfMQTT client library has a Microsoft Azure IoT Hub example that demonstrates securely connecting over TLS provided by the wolfSSL embedded SSL/TLS library.

We setup a wolfMQTT IoT Hub on the Azure server for testing. We added a device called demoDevice, which you can connect and publish to. The example demonstrates the creation of a SasToken, which is used as the password for the MQTT connect packet. It also shows the topic names for publishing events and listening to devicebound messages.

Everyone deserves to have their IoT data secure, and wolfSSL provides the best libraries to accomplish that! Secure-IoT-Love from the wolfSSL team!

You can download the latest release here: https://www.wolfssl.com/download/

Or clone directly from our GitHub repository: https://github.com/wolfSSL/wolfMQTT

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If you have any questions or run into any issues, contact us at facts@wolfssl.com, or call us at +1 425 245 8247.