7.1.1 at91bootstrap .yaml File Format
The cust_CMAC.yaml file must contain a customer key in hexadecimal format as
follows:
chip_type: sam9x70
image_type: secure
security:
signature:
type: CMAC_AES
key_data: data:0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef
cipher:
type: AES
key_data: data:0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef
iv_data: data:0123456789abcdef0123456789abcdef
