/dev/aes is an IPC interface for the AES engine. It can be accessed either by opening the device or by using FD 0x10000.
It accepts open, close, ioctlv.
/dev/aes IOS_Ioctlv
| number
|
Description
|
in count
|
out count
|
vector
|
vector length
|
| 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
|