14.4.2.1.2 Write Customer Key (WCKY)
Sending the customer key to the chip involves sending a binary payload (the ciphered and signed message containing the customer key and all secure boot settings). This payload is to be sent by the tool after receiving the acknowledge from the Secure SAM-BA Monitor, telling how many bytes it expects.
(PC to Device) >> WCKY,,c0,,#
(Device to PC) << CACK,00000000,000000C0#
(PC to Device) >> <customer_key_file.cip>
(Device to PC) << CACK,00000000,00000000#
