Difference between revisions of "PSPXI:EncryptDecryptAes"
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+ | =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. |
Revision as of 22:56, 30 May 2013
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 | ? |
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.