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Line 12: − | 0x200 − | RSA-2048 signature, followed a RSA-2048 modulus for [[NCA]] header (like 3DS) − |- − | 0x280 Line 24:
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Line 61: − + − + − + − + − + − + − + − + − + − + − + − + − + − + − + − + − + − |} − − Switch version of AccessDesc? − − =ACI0= − {| class="wikitable" border="1" − ! Offset+ − ! Size+ − ! Description+ − + − + + + + − + + − + − + − + − + − + − + − + − + − + + + − Switch version of 3DS ACI(Access Control Info)?+ − − Line 138:
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no edit summary
|-
|-
| 0x80
| 0x80
| <Varies>
| <Varies>
| ACID
| ACID
|}
|}
=META=
= META =
{| class="wikitable" border="1"
{| class="wikitable" border="1"
|-
|-
| 0x0
| 0x0
| 0x4
| 0x4
| Magicnum "META".
| Magic "META".
|-
|-
| 0x20
| 0x20
| ?
| ?
| Name string
| Title name
|-
|-
| 0x70
| 0x70
Switch version of 3DS "System Control Info"?
Switch version of 3DS "System Control Info"?
=ACID=
= ACID =
{| class="wikitable" border="1"
{| class="wikitable" border="1"
|-
|-
! Description
! Description
|-
|-
| 0x0
| 0
| 0x4
| 0x100
| Magicnum "ACID".
| RSA-2048 signature
|-
|-
| 0x4
| 0x100
| 0x28
| 0x100
| ?
| RSA-2048 public key
|-
|-
| 0x2C
| 0x200
| 0x4
| 0x4
| Size of the Service Access Control.
| Magic "ACID".
|-
|-
| 0x30
| 0x204
| 0x14
| 0x8
| ?
| Zeroes
|-
|-
| 0x44
| 0x20C
| ?
| 0x4
| FS Permissions
| Format version? (1)
|-
|-
| 0xF0
| 0x210
| <See above>
| 0x8
| Service Access Control
| Title id
|-
|-
| 0x218
| 0x8
| Title id again
|-
|-
| 0x0
| 0x220
| 0x4
| 0x4
| Magicnum "ACI0".
| FS Access Control offset
|-
|-
| 0x24
| 0x4
| 0x4
| FS Access Control size
|-
| 0x28
| 0x28
| ?
| 0x4
| Service Access Control offset
|-
|-
| 0x2C
| 0x2C
| 0x4
| 0x4
| Size of the Service Access Control.
| Service Access Control size
|-
|-
| 0x30
| 0x30
| 0x14
| 4
| ?
| Kernel Access Control offset
|-
|-
| 0x44
| 0x34
| ?
| 4
| FS Permissions
| Kernel Access Control size
|-
|-
| 0x60
| 0x38
| <See above>
| 0x8
| Service Access Control
| Padding
|}
|}
= ACI0 =
Looks like an old crappy version of ACID. It has the guessed version field 0 instead of 1.
= Service Access Control =
=Service Access Control=
This is a list of [[Services_API|service]]-name strings which the title has access to, with the following structure:
This is a list of [[Services_API|service]]-name strings which the title has access to, with the following structure:
+0: control_byte
+0: control_byte
The service string can contain a wildcard <code>*</code> character.
The service string can contain a wildcard <code>*</code> character.
=Access Descriptors=
= Access Descriptors =
Like the 3DS, the switch has a number of kernel capability descriptors. Unlike 3ds, where descriptors were identified by pattern 11..10 in high bits, on switch descriptors are identified by pattern 01..11 in low bits.
Like the 3DS, the switch has a number of kernel capability descriptors. Unlike 3ds, where descriptors were identified by pattern 11..10 in high bits, on switch descriptors are identified by pattern 01..11 in low bits.