I need a help for following tasks :
1) i want to design secure and up-gradable field firmware for MKE18F512.
2) secure BIN file of my application code that i am going to flash in RAM.
3) How to use ECC, FAC, CRC and 128 bit ID for protection ans decurity.
4) I need sample code that can decrypted by my secure bootloader or my secure firmware inside MCU.