By following its strict procedures, you can ensure that your QorIQ-based product is resistant to firmware replacement attacks, key extraction, and unauthorized debugging. However, the guide also serves as a warning: power comes with responsibility. A single misprogrammed fuse can permanently lock you out of your own hardware.
First, study NXP application notes:
Use the NXP Code Signing Tool (CST) to generate Command Sequence Control (CSC) structures and digital signatures for your firmware images. qoriq trust architecture 21 user guide
