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WLFIRM is the firmware that runs on the WiFi chip. It is stored as title HNCA.


Signed header

Start Length Description
0x00 0x80 RSA signature over the rest of the signed header
0x80 20 SHA-1 over the entry header + entries
0x94 4 Length of the entry header + entries
0x98 8 Padding to 0xa0

Entry header

Start Length Description
0xa0 2 Unknown
0xa2 1 Number of entries
0xa3 1 Unknown


Start Length Description
0x00 4 Offset in file
0x04 4 Length
0x08 4 ID
0x0c 20 SHA-1 hash