/dev/aes
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/dev/aes is an IPC interface for the AES engine that accepts IOS_Open, IOS_Close & IOCTLV commands.
Internally in IOS, it usually has an internal FD of 0x10000. despite this, it is better to do an IOS_Open when using this resource.
/dev/aes IOS_Ioctlv
| number | Description | in count | out count | vector | vector length |
|---|---|---|---|---|---|
| 0x00 | Copy | 1 | 1 | input data (16-byte aligned) | - |
| output data (16-byte aligned) | - | ||||
| 0x02 | Encrypt | 2 | 2 | input data (16-byte aligned) | - |
| key | 16 bytes | ||||
| output data (16-byte aligned) | same as input | ||||
| initialization vector | 16 bytes | ||||
| 0x03 | Decrypt | 2 | 2 | input data (16-byte aligned) | - |
| key | 16 bytes | ||||
| output data (16-byte aligned) | same as input | ||||
| initialization vector | 16 bytes |