Hi! I’m trying to implement a secure MQTT Client connection with an ESP32 microcontroller. There is an HiveMQ example for the ESP8266 using the library “CertStoreBearSSL”, but unfortunately, this library seems the be not available for ESP32. Aer there any alternatives or other solutions?

Hi Ireshet, For Cloud, Clients(devices) will only need to trust the server root CA certificate. If it’s set up correctly then clients should always leverage the certificate chain and validate only against the root certificate. You can generate server root CA for your cloud instance and add it to tr…

HiveMQ Certificate Store with ESP32

HiveMQ Client Library

indima December 8, 2021, 1:09pm 4

Sorry, the setCACert member function is part of the “WiFiClientSecure” class.

ESP32 not able to connect to HimeMQ cloud

Topic		Replies	Views
Esp32 SSL certificate	3	2773	December 8, 2023
Arduino UNO R4 Wifi with HiveMQ	1	172	August 6, 2024
initCertStore() fail due to there's no CA certs file read	1	16	April 15, 2025
Arduino example with server signed certificate	8	14338	August 16, 2021
Configuring TLS encryption	3	81	November 7, 2024

HiveMQ Certificate Store with ESP32

Related topics