CECDU:WriteMessageWithHMAC
Request
| Index Word | Description | 
|---|---|
| 0 | Header code [0x00070106] | 
| 1 | NCCH Program ID | 
| 2 | bool is_out_box? | 
| 3 | message ID size (unused, always 8) | 
| 4 | buffer size (unused) | 
| 5 | Descriptor for mapping a read-only buffer in the target process | 
| 6 | buffer address | 
| 7 | Descriptor for mapping a read-only buffer in the target process | 
| 8 | HMAC key address | 
| 9 | Descriptor for mapping a read/write buffer in the target process | 
| 10 | message ID address | 
Response
| Index Word | Description | 
|---|---|
| 0 | Header code [0x0007????] | 
| 1 | Result code | 
| 2 | Descriptor for mapping a read-only buffer in the target process | 
| 3 | buffer address | 
| 4 | Descriptor for mapping a read-only buffer in the target process | 
| 5 | HMAC key address | 
| 6 | Descriptor for mapping a read/write buffer in the target process | 
| 7 | message ID address |