I have gone through below document as well the source code but still I need more information.
http://www.nxp.com/docs/en/application-note/AN5401.pdf
I want to know below details:
a. For the first time how secure keys are loaded into Flash.
b. 512KB Memory split in S32K144. Memory architecture.
c. How secure boot is implemented.
d. Any presentation or pdf on CSEc module in S32K144.
e. How CAN messages can be authenticated using CSEc module.
f. After purchase of evaluation board, Would I get help to program secure encrypted keys and secure boot.