Editing PUP
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PUP (Playstation Update Package) is the file format of the PSP, PS3, PSVita | PUP (Playstation Update Package) is the file format of the PSP, PS3, PSVita and PS4 system software update packages. | ||
PUP embed updates for devices such as the GameOS, Syscon, Wi-Fi, Bluetooth, Communication Processor, Southbridge, BD drive. | |||
= Structure = | |||
PS4 PUP is special because it embeds single other PUPs. | |||
== Header == | |||
Have a feeling the header for the new PS4 PUPs ends with a LZMA dictionary and file size… (ie a normal lzma header without the properties byte) anyone else done research into that? As in: | |||
<source lang="c"> | <source lang="c"> | ||
struct | struct PUPPS4Header { | ||
uint32_t | uint32_t magic; // PS4PUPMAGIC "\x4F\x15\x3D\x1D" | ||
uint16_t version; // Big Endian (??) | |||
uint16_t unknownOne; | |||
uint16_t unknownTwo; | |||
uint16_t unknownThree; | |||
uint32_t | uint32_t dictSize; // LE afaics | ||
uint32_t uncompressedSize; // LE afaics | |||
} | } | ||
</source> | </source> | ||
= Tools = | |||
=== Decrypter (first step) === | === Decrypter (first step) === | ||
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* [https://github.com/idc/ps4-pup_unpack ps4-pup-unpack by idc] | * [https://github.com/idc/ps4-pup_unpack ps4-pup-unpack by idc] | ||
* [https://github.com/Zer0xFF/ps4-pup-unpacker ps4-pup-unpacker by Zer0xFF] (based on ps4-pup-unpack by idc) | * [https://github.com/Zer0xFF/ps4-pup-unpacker ps4-pup-unpacker by Zer0xFF] (based on ps4-pup-unpack by idc) | ||
{{Software}} | {{Software}} | ||
<noinclude>[[Category:Main]]</noinclude> | <noinclude>[[Category:Main]]</noinclude> |