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Difference between revisions of "/dev/aes"

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Line 12: Line 12:
 
! style="vertical-align: top;" |vector length
 
! style="vertical-align: top;" |vector length
 
|-
 
|-
| style="vertical-align: top;" rowspan="1" | 0x00
+
| style="vertical-align: top;" rowspan="2" | 0x00
| style="vertical-align: top;" rowspan="1" | Unknown
+
| style="vertical-align: top;" rowspan="2" | Copy
| style="vertical-align: top;" rowspan="1" | 1
+
| style="vertical-align: top;" rowspan="2" | 1
| style="vertical-align: top;" rowspan="1" | 1
+
| style="vertical-align: top;" rowspan="2" | 1
| style="vertical-align: top;" rowspan="1" | ?
+
| style="vertical-align: top;" | input data (16-byte aligned)
| style="vertical-align: top;" rowspan="1" | ?
+
| style="vertical-align: top;" | -
 +
|-
 +
| style="vertical-align: top;" | output data (16-byte aligned)
 +
| style="vertical-align: top;" | -
 
|-
 
|-
 
| style="vertical-align: top;" rowspan="4" | 0x02
 
| style="vertical-align: top;" rowspan="4" | 0x02

Revision as of 19:26, 9 December 2022

/dev/aes is an IPC interface for the AES engine. It accepts open, close, ioctlv.

/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