Secure boot main purpose is to validate the integrity and authenticity of the runtime binary during boot to verify that the downloaded RAM bootloader and firmware is signed by TI and has not been tampered with. Authorized firmware is firmware that came from the right entity, has the right attributes (for example, the right version), or is intended for the specific device. The secure boot is always the first code that runs on the device no matter what is the life cycle state. Implementing a secure boot process is critical to device integrity throughout the life cycle. A compromised boot process allows an attacker to inject malware, access assets or entirely replace the firmware running on the device. A secure boot process is essential to make other security features possible by providing the necessary degree of trust.