ESP32 security features
Espressif Systems has shown constant progress in security features with every new family of ESP32. To be honest, the initial versions of ESP32 had some hardware design flaws that could enable an attacker to access the system. Espressif not only corrected these flaws but also added many other important security features in the new designs. The Espressif team definitely knows the needs of IoT product developers and reflects them on their product roadmaps. ESP-IDF has also been regularly updated to support all the ESP32 chips, enabling IoT developers to provide their customers with devices and products that fulfill modern security requirements. Let’s look at an overview of those features.
Secure Boot v1
Secure Boot creates a chain of trust, from boot to the application firmware, by authenticating the running software at each step. The whole process may sound a bit confusing, but in simple terms, it works as follows:
- Authenticate the bootloader...