title: MQTT packet Encryption/Decryption API in Paho C library
body: <p><img src="https://i.stack.imgur.com/LdhKu.png" alt="enter image description here"></p>
  
  <p>I am using Paho MQTT C code, In MQTTClient_publish.c I enabled the all TLS/SSL related thing in code level and communication done working fine. But am not able to find the which API is encrypting packet.</p>
  
  <p><img src="https://i.stack.imgur.com/9bOTM.png" alt="enter image description here"></p>