Editing PKG files
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See also {{talk}} page | See also {{talk}} page | ||
= Firmware Packages = | |||
== File Header == | |||
All values are in big endian format. | |||
typedef struct { | |||
u32 0x00, 0x53434500// magic | |||
u32 0x04, 2 // version | |||
u16 0x08, 0 // sdk type? | |||
u16 0x0a, 3 // SCE header type; pkg | |||
u32 0x0c, 0 // meta offset | |||
u64 0x10, // size of sce_hdr + sizeof meta_hdr | |||
u64 0x18, 0x80 // + content_size_real | |||
} | |||
typedef struct | |||
// | |||
} | |||
= Game Packages = | |||
All game packages are signed with the ECDSA signature. The public key for it can be found in '''download_plugin.prx''' or in '''nas_plugin.prx''' (this also applies to NPDRM SELFs). Usually game packages are signed with two signatures - one for the header and the other for the entry table. | |||
== | == File Header == | ||
=== Retail PS3 .pkg === | |||
*Example: Scott Pilgrim VS. The World Unlock .pkg [http://zeus.dl.playstation.net/cdn/UP0001/NPUB30162_00/bG751I62Aych0U2E7hsxD5vKS28NurYg8CmJln6oQV4LUDAfXGSOyQHE45reFxIuwD5Qjo1xnQleHqulmmx9HmjNnXX8P5O5jcXlD.pkg file]: | *Example: Scott Pilgrim VS. The World Unlock .pkg [http://zeus.dl.playstation.net/cdn/UP0001/NPUB30162_00/bG751I62Aych0U2E7hsxD5vKS28NurYg8CmJln6oQV4LUDAfXGSOyQHE45reFxIuwD5Qjo1xnQleHqulmmx9HmjNnXX8P5O5jcXlD.pkg file]: | ||
'''Offset(h) 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F''' | '''Offset(h) 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F''' | ||
Line 179: | Line 35: | ||
'''00000090''' <span style="background-color:#3f48cc; color:#FFFFFF">0C 85 45 95 A8 D4 A3 9B 62 44 68 C1 38 CE D7 63</span> .…E•ЁФЈ›bDhБ8ОЧc | '''00000090''' <span style="background-color:#3f48cc; color:#FFFFFF">0C 85 45 95 A8 D4 A3 9B 62 44 68 C1 38 CE D7 63</span> .…E•ЁФЈ›bDhБ8ОЧc | ||
'''000000A0''' <span style="background-color:#3f48cc; color:#FFFFFF">0D FF 0C C5 3A 77 C6 E6 E4 62 AD 05 F3 93 D0 7A</span> .я.Е:wЖждb..у“Рz | '''000000A0''' <span style="background-color:#3f48cc; color:#FFFFFF">0D FF 0C C5 3A 77 C6 E6 E4 62 AD 05 F3 93 D0 7A</span> .я.Е:wЖждb..у“Рz | ||
'''000000B0''' <span style="background-color:#3f48cc; color:#FFFFFF">CC 02 B4 35 2B 70 47 D6</span> <span style="background-color:#a349a4 | '''000000B0''' <span style="background-color:#3f48cc; color:#FFFFFF">CC 02 B4 35 2B 70 47 D6</span> <span style="background-color:#a349a4;">EC 61 40 39 A6 5B DC BD</span> М.ґ5+pGЦмa@9¦[ЬЅ | ||
{| class="wikitable sortable" | |||
{| class="wikitable" | |||
|- | |- | ||
| style="background-color:#515243; color:#FFFFFF;" |'''Name''' | |||
| style="background-color:#515243; color:#FFFFFF;" |'''Offset''' | |||
| style="background-color:#515243; color:#FFFFFF;" |'''Size''' | |||
| style="background-color:#515243; color:#FFFFFF;" |'''Example''' | |||
| style="background-color:#515243; color:#FFFFFF;" |'''Remark''' | |||
|- | |- | ||
| <span style="background:#ff0000;">magic || 0x00 || 0x04 || 7F 50 4B 47 || | | <span style="background:#ff0000;">magic || 0x00 || 0x04 || 7F 50 4B 47 || '.PKG' | ||
|- | |- | ||
| <span style="background-color:#008000; color:#FFFFFF;">pkg_revision || 0x04 || 0x02 || 80 00 || 80 00 for finalized | | <span style="background-color:#008000; color:#FFFFFF;">pkg_revision || 0x04 || 0x02 || 80 00 || 80 00 for retail (finalized), 00 00 for debug (non finalized) | ||
|- | |- | ||
| <span style="background-color:#3F48CC; color:#FFFFFF;">pkg_type | | <span style="background-color:#3F48CC; color:#FFFFFF;">pkg_type || 0x06 || 0x02 || 00 01 || 00 01 for ps3, 00 02 for psp | ||
|- | |- | ||
| <span style="background-color:#B5E61D;"> | | <span style="background-color:#B5E61D;">pkg_info_offset || 0x08 || 0x04 || 00 00 00 C0 || 0xC0 | ||
|- | |- | ||
| <span style="background-color:#B97A57;"> | | <span style="background-color:#B97A57;">pkg_info_size || 0x0C || 0x04 || 00 00 00 08 || pkg_info_size=0x00000008*8=0x40 | ||
|- | |- | ||
| <span style="background-color:#ff7f27;"> | | <span style="background-color:#ff7f27;">header_size || 0x10 || 0x04 || 00 00 00 C0 || 0xC0 | ||
|- | |- | ||
| <span style="background-color:#fff200;">item_count | | <span style="background-color:#fff200;">item_count || 0x14 || 0x04 || 00 00 00 02 || files and folders into the encrypted data | ||
|- | |- | ||
| <span style="background-color:#7f7f7f;">total_size | | <span style="background-color:#7f7f7f;">total_size || 0x18 || 0x08 || 00 00 00 00 00 00 17 C0 || 0x17C0 - total pkg file size | ||
|- | |- | ||
| <span style="background-color:#00a2e8;">data_offset || 0x20 || 0x08 || 00 00 00 00 00 00 01 80 || 0x0180 - encrypted data offset | | <span style="background-color:#00a2e8;">data_offset || 0x20 || 0x08 || 00 00 00 00 00 00 01 80 || 0x0180 - encrypted data offset | ||
Line 209: | Line 65: | ||
| <span style="background-color:#00ff00;">data_size || 0x28 || 0x08 || 00 00 00 00 00 00 15 E0 || 0x15E0 - encrypted data size | | <span style="background-color:#00ff00;">data_size || 0x28 || 0x08 || 00 00 00 00 00 00 15 E0 || 0x15E0 - encrypted data size | ||
|- | |- | ||
| <span style="background-color:#d52bd0;">contentid || 0x30 || 0x24 || | | <span style="background-color:#d52bd0;">contentid || 0x30 || 0x24 || || 'UP0001-NPUB30162_00-SCOTTPILGRIM0002' pkg content id | ||
|- | |- | ||
| padding | | padding || 0x54 || 0x0C || 00 00 00 00 00 00 00 00 00 00 00 00 || 0x0C bytes padding | ||
|- | |- | ||
| <span style="background-color:#000000; color:#ffffff;">digest || 0x60 || 0x10 || 09 8B A2 CA 2D 30 30 1F 8B 5B 82 79 C6 70 35 F3 || sha1 from debug files and attributes together merged in one block | | <span style="background-color:#000000; color:#ffffff;">digest || 0x60 || 0x10 || 09 8B A2 CA 2D 30 30 1F 8B 5B 82 79 C6 70 35 F3 || sha1 from debug files and attributes together merged in one block | ||
|- | |- | ||
| <span style="background-color:#ed1c24;">pkg_data_riv | | <span style="background-color:#ed1c24;">pkg_data_riv || 0x70 || 0x10 || D5 FA 15 9E 7F AC 82 70 BB 3E 0C EB 97 3D 30 11 || aes-128-ctr iv. uses with gpkg_key for decrypt data | ||
|- | |||
| <span style="background-color:#808000;">header_cmac_hash || 0x80 || 0x10 || 48 0D 86 60 9F 26 8E 7F 4F B4 DA A4 33 1E 9A A1 || cmac omac hash from 0x00-0x7F, gpkg_key used as key | |||
|- | |||
| <span style="background-color:#3f48cc; color:#FFFFFF;">header_npdrm_signature || 0x90 || 0x28 || || Header NPDRM ECDSA (R_sig, S_sig) | |||
|- | |||
| <span style="background-color:#a349a4;">header_sha1_hash || 0xB8 || 0x08 || EC 61 40 39 A6 5B DC BD || last 8 bytes of sha1 hash from 0x00-0x7F | |||
|- | |- | ||
|} | |} | ||
All values are in big endian format. | |||
typedef struct { | typedef struct { | ||
u32 magic; | u32 magic; | ||
u32 pkg_type; | |||
u32 pkg_info_offset; | |||
u32 | u32 pkg_info_size; | ||
u32 | u32 header_size; | ||
u32 | |||
u32 item_count; | u32 item_count; | ||
u64 total_size; | u64 total_size; | ||
u64 data_offset; | u64 data_offset; | ||
u64 data_size; | u64 data_size; | ||
char contentid[0x30]; | |||
u8 digest[0x10]; | u8 digest[0x10]; | ||
u8 | u8 k_licensee[0x10]; | ||
} PKG_HEADER; | } PKG_HEADER; | ||
{| class="wikitable" | {| class="wikitable" | ||
|- | |- | ||
! field !! offset !! size!! type !! notes | |||
|- | |- | ||
| | ! colspan="5"| Unencrypted header | ||
|- | |- | ||
| | | magic || 0x0 || 4 || u32 || Magic value of 0x7f504b47 "\x7fPKG" | ||
|- | |- | ||
| | | pkg_type || 0x4 || 4 || u32 || The package type is 1 for PS3 pkg and 2 for PSP (minis also)/Vita packages. the flag 0x80000000 is used for retail. | ||
|- | |- | ||
| | | pkg_info_offset||0x8 || 4 || u32 || offset of the pkg_info structure | ||
|- | |- | ||
| | | pkg_info_size || 0xC || 4 ||u32 || pkg_info_size*8 = size of the pkg_info structure | ||
|- | |- | ||
| | | header_size || 0x10 || 4 || u32 || Size of the header | ||
|- | |- | ||
| | | item_count || 0x14 || 4 || u32 || Variable (0x**) | ||
|- | |- | ||
| | | total_size || 0x18 || 8 || u64 || | ||
|- | |- | ||
| | | data_offset || 0x20 || 8 || u64 || | ||
|- | |- | ||
| | | data_size || 0x28 || 8 || u64 || | ||
|- | |- | ||
| | | contentid || 0x30 || 48 ||u8[48] || See [[PARAM.SFO#CONTENT_ID]] | ||
|- | |- | ||
| | | digest || 0x60 || 16 ||u8[16] || | ||
|- | |- | ||
| | | k_licensee || 0x70 || 16 ||u8[16] || | ||
|- | |- | ||
|} | |} | ||
typedef struct { | |||
u32 unk; | |||
{ | u32 unk; | ||
u32 unk; | |||
u32 unk; | |||
u32 unk; | |||
u32 content type | |||
... | |||
} PKG_INFO; | |||
{| class="wikitable" | {| class="wikitable" | ||
|- | |- | ||
! content type !! notes !! install path (on ps3) | |||
|- | |- | ||
| | |0x04 || GameData (also Patches) || /dev_hdd0/game/ | ||
| | |||
|- | |- | ||
| | |0x05 || Game_Exec || /dev_hdd0/game/ | ||
|- | |- | ||
| | |0x06 || PS1emu || /dev_hdd0/game/ | ||
|- | |- | ||
| | |0x07 || PSP/ PCEngine || /dev_hdd0/game/ | ||
|- | |- | ||
| | |0x09 || Theme || /dev_hdd0/theme | ||
|- | |- | ||
| | |0x0A || Widget || /dev_hdd0/widget | ||
|- | |- | ||
| | |0x0B || License || /dev_hdd0/home/<current user>/exdata | ||
|- | |- | ||
| | |0x0C || VSH Module || /dev_hdd0/vsh/modules/ | ||
|- | |- | ||
| | |0x0D || PSN Avatar || /dev_hdd0/home/<current user>/psn_avatar | ||
|- | |- | ||
| | |0x0E || PSPgo || | ||
|- | |- | ||
| | |0x0F || Minis || /dev_hdd0/game/ | ||
|- | |- | ||
| | |0x10 || NEOGEO || | ||
|- | |- | ||
| | |0x11 || VMC || /dev_hdd0/tmp/vmc/ | ||
|- | |- | ||
| | |0x12 || Seen on PS2 classic || /dev_hdd0/game/ | ||
|- | |- | ||
| | |0x14 || || | ||
|- | |- | ||
| | |0x15 || PSVita (PSP2GD) || | ||
|- | |- | ||
| | |0x16 || PSVita (PSP2AC) || | ||
|- | |- | ||
| | |0x17 || PSVita (PSP2LA) || | ||
|} | |} | ||
= | === File Entry === | ||
All values are in big endian format | |||
== File | |||
= | |||
All values are in big endian format | |||
typedef struct { | typedef struct { | ||
Line 696: | Line 195: | ||
u32 flags; | u32 flags; | ||
u32 padding; | u32 padding; | ||
} | } PKG_FILE_HEADER; | ||
{| class="wikitable" | {| class="wikitable" | ||
|- | |||
! field !! offset !! type !! notes | ! field !! offset !! type !! notes | ||
|- | |- | ||
Line 709: | Line 209: | ||
| data_size || 0x10 || u64 || | | data_size || 0x10 || u64 || | ||
|- | |- | ||
| flags || 0x18 || u32 || The file type | | flags || 0x18 || u32 || The file type | ||
|- | |- | ||
| padding || 0x1C || u32 || zero | | padding || 0x1C || u32 || zero | ||
|- | |||
|} | |} | ||
== | === Misc/Note === | ||
From FW 4.00, install PKG from root device (but not as "bubble") for PS1 classic if not containing [[EDAT_files|.EDAT files]] license type Free will abort or install directly as bubble according to the cfw. | |||
The last | == Package Footer == | ||
The last 0x20 bytes of the package contains a hash (sha1sum) of the package (sha1 of the whole file minus the last 0x20 bytes). Or in other words... to verify the integrity of a package is needed to crop the 0x20 bytes at the end, then calculate the sha1 of the resulting file, then compare with the sha1 that was cropped | |||
Is also used as part of the package identification info inside the '''TITLE_ID-ver.xml''' files in PSN servers that lists the available game patches for each game. See: [[Online_Connections#Game_Updating_Procedure|Game Updating Procedure]] page and the '''sha1sum''' in the .xml examples | |||
*Notes | *Notes | ||
**This footer area is considered part of the package and is included when counting the '''total_size''' of the package (in the header at offset 0x18), and the header is hashed too by '''header_sha1_hash ''' (at offset 0xB8), this is important in the sequence of actions needed when | **This footer area is considered part of the package and is included when counting the '''total_size''' of the package (in the header at offset 0x18), and the header is hashed too by '''header_sha1_hash ''' (at offset 0xB8), this is important in the sequence of actions needed when buiding the package and updating/adding the sha1 footer at the end | ||
** | **Homebrew packages (at least some of them) doesnt includes this footer | ||
{{File Formats}}<noinclude>[[Category:Main]]</noinclude> | {{File Formats}}<noinclude>[[Category:Main]]</noinclude> |