Secure OTA firmware updates via MQTT/MQTTS for ESP32 with real SHA-256, HMAC-SHA256, ECDSA-SHA256, and non-blocking restart.
Robust Over-The-Air update system supporting both MQTT and MQTTS protocols. v1.2.0 adds: ECDSA-SHA256 signature verification, incremental mbedtls hashing for chunked OTA, and full alignment with MQTTOTAv5 security features. Compatible with ESP32, ESP32-S2, ESP32-S3, ESP32-C3, ESP32-C6.
| Filename | Release Date | File Size |
|---|---|---|
| MQTTOTA-1.2.0.zip | 2026-06-06 | 29.63 KiB |
| MQTTOTA-1.1.0.zip | 22.75 KiB | |
| MQTTOTA-1.0.0.zip | 2025-12-03 | 16.71 KiB |