Request
| Index Word
|
Description
|
| 0
|
Header code [0x000401C4]
|
| 1
|
Size in bytes
|
| 2-5
|
IV / CTR
|
| 6
|
u8 Algorithm Type (0..5)
|
| 7
|
u8 Key Type (0..7)
|
| 8
|
(size<<8) | 0x4
|
| 9
|
Source pointer
|
| 10
|
(size<<8) | 0x14
|
| 11
|
Destination pointer
|
Response
| Index Word
|
Description
|
| 0
|
Header code [0x00040140]
|
| 1
|
Result code
|
| 2-5
|
MAC
|
MAC
For CBC mode, the output MAC is the last 16-bytes of the ciphertext. For the other modes, this field is the same as the input IV/CTR.
Algorithm Types
| Type
|
Description
|
| 0
|
CBC Encrypt
|
| 1
|
CBC Decrypt
|
| 2
|
CTR Encrypt
|
| 3
|
CTR Decrypt
|
| 4
|
CCM Encrypt
|
| 5
|
CCM Decrypt
|
Key Types
| Type
|
AES Engine Keyslot
|
Description
|
| 0
|
0x0D
|
Used to decrypt the SSL client cert/private-key stored in ClCertA.
|
| 1
|
0x2D
|
Used to generate the UDS local-WLAN CCMP key.
|
| 2
|
0x31
|
This is used by NS for the APT AES-CCM Wrap/Unwrap commands. These two NS commands are used by the Mii Maker application for the encrypted Mii data in the Mii QR codes.
|
| 3
|
0x38
|
BOSS
|
| 4
|
0x32
|
?
|
| 5
|
0x39
|
This is used by the Download Play module.
|
| 6
|
0x2E
|
This is used by the StreetPass CECD module to generate the CCMP key passed to nwm::CEC commands, when beginning StreetPass communications.
|
| 7
|
|
Invalid
|
| 8
|
0x36
|
Unknown, support for this keytype was added in newer a NATIVE_FIRM version. When the running NATIVE_FIRM doesn't support this keytype, the result is the same as using keytype7.
|
| >=9
|
|
Invalid, same as keytype7.
|
Description
This is used to encrypt/decrypt data via the AES engine. AES-CCM is not supported by this command, PSPXI:EncryptSignDecryptVerifyAesCcm must be used for AES-CCM instead.