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 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 16-byte binary input "passphrase", used for the local-WLAN CCMP key generation for StreetPass communications.
|
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.