WLFIRM
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WLFIRM is the firmware that runs on the WiFi chip. It is stored as title HNCA.
Format
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 |
Entry
| Start | Length | Description |
|---|---|---|
| 0x00 | 4 | Offset in file |
| 0x04 | 4 | Length |
| 0x08 | 4 | ID |
| 0x0c | 20 | SHA-1 hash |