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edits
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Start gamecard format page
=Header=
The header is 0x200-bytes, at Gamecard+0.
{| class="wikitable" border="1"
|-
! Offset
! Size
! Description
|-
| 0x0
| 0x100
| RSA-2048 signature, presumably.
|-
| 0x100
| 0x4
| Magicnum "HEAD"
|-
| 0x104
| 0x4
| Offset of Secure partition (Size of non-secure data?), in Media Units
|-
| 0x108
| 0x4
| 0xFFFFFFFF
|-
| 0x10C
| 0x4
| ?
|-
| 0x110
| 0x8
| ?
|-
| 0x118
| 0x8
| Size of the Gamecart, in Media Units
|-
| 0x120
| 0x10
| ?
|-
| 0x130
| 0x8
| Offset of HFS0 FS partition
|-
| 0x138
| 8
| HFS0 Header size
|-
| 0x140
| 0x20
| SHA256 hash of the HFS0 Header
|-
| 0x160
| 0x20
| SHA256 hash of ?
|-
| 0x180
| 0x4
| 1?
|-
| 0x184
| 0x4
| 2?
|-
| 0x188
| 0x4
| 0?
|-
| 0x18C
| 0x4
| Offset of Secure partition (Size of non-secure data?), in Media Units, again.
|-
| 0x190
| 0x70
| Encrypted data/hashes of some kind
|}
= Cert =
This is for the CERT, located at Gamecard + 0x7000 (always?). This matches exactly the output from fsp-srv IDeviceOperator cmd 206 "GetGameCardDeviceCertificate".
{| class="wikitable" border="1"
|-
! Offset
! Size
! Description
|-
| 0x0
| 0x100
| RSA-2048 signature, presumably.
|-
| 0x100
| 0x4
| Magicnum "CERT"
|-
| 0x110
| 0x10
| ?
|-
| 0x12A
| 0xD6
| Encrypted data. Some kind of key?
|}
The data between the CERT and the start of the HFS0 is all 0xFF.
The header is 0x200-bytes, at Gamecard+0.
{| class="wikitable" border="1"
|-
! Offset
! Size
! Description
|-
| 0x0
| 0x100
| RSA-2048 signature, presumably.
|-
| 0x100
| 0x4
| Magicnum "HEAD"
|-
| 0x104
| 0x4
| Offset of Secure partition (Size of non-secure data?), in Media Units
|-
| 0x108
| 0x4
| 0xFFFFFFFF
|-
| 0x10C
| 0x4
| ?
|-
| 0x110
| 0x8
| ?
|-
| 0x118
| 0x8
| Size of the Gamecart, in Media Units
|-
| 0x120
| 0x10
| ?
|-
| 0x130
| 0x8
| Offset of HFS0 FS partition
|-
| 0x138
| 8
| HFS0 Header size
|-
| 0x140
| 0x20
| SHA256 hash of the HFS0 Header
|-
| 0x160
| 0x20
| SHA256 hash of ?
|-
| 0x180
| 0x4
| 1?
|-
| 0x184
| 0x4
| 2?
|-
| 0x188
| 0x4
| 0?
|-
| 0x18C
| 0x4
| Offset of Secure partition (Size of non-secure data?), in Media Units, again.
|-
| 0x190
| 0x70
| Encrypted data/hashes of some kind
|}
= Cert =
This is for the CERT, located at Gamecard + 0x7000 (always?). This matches exactly the output from fsp-srv IDeviceOperator cmd 206 "GetGameCardDeviceCertificate".
{| class="wikitable" border="1"
|-
! Offset
! Size
! Description
|-
| 0x0
| 0x100
| RSA-2048 signature, presumably.
|-
| 0x100
| 0x4
| Magicnum "CERT"
|-
| 0x110
| 0x10
| ?
|-
| 0x12A
| 0xD6
| Encrypted data. Some kind of key?
|}
The data between the CERT and the start of the HFS0 is all 0xFF.