Syntax
[keysrc_encryption] <options> <partition>
Description
This specifies the Key source for encryption.
Arguments
-
bbram_red_key
: RED key stored in BBRAM -
efuse_red_key
: RED key stored in efuse -
efuse_gry_key
: Grey (Obfuscated) Key stored in eFUSE. -
bh_gry_key
: Grey (Obfuscated) Key stored in boot header. -
bh_blk_key
: Black Key stored in boot header. -
efuse_blk_key
: Black Key stored in eFUSE. -
kup_key
: User Key.
Example
all:
{
[keysrc_encryption]efuse_gry_key
[bootloader,encryption=aes, aeskeyfile=encr.nky, destination_cpu=a53-0]fsbl.elf
}
FSBL is encrypted using the key encr.nky, which is stored in the efuse for decryption purpose.