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XiaoYe, posted Mon Dec 20, 2021 5:44 am (68383)

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I've been trying to extract the game assets with Asset Studio, however, it can't be loaded with Asset Studio.

aluigi, posted Thu Jan 06, 2022 6:18 pm (68769)

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The first byte of every 7 bytes is XORed with 0xee.
Script for decrypting the files, it works with any xor key:

Code:

encryption xor "UnityFS"
log MEMORY_FILE 0 7
getdstring KEY 7 MEMORY_FILE
encryption xor KEY "" 0 7
get SIZE asize
get NAME filename
string NAME   ".decrypt"
log NAME 0 SIZE

Feel free to set a better extension, I choose .decrypt but you can use whatever you prefer.

LuigiwithTHEDoNg, posted Sat Jan 08, 2022 2:13 pm (68826)

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Uh, some failed to decrypt properly......

https://drive.google.com/drive/folders/ ... 0PYg4k75VA

Is there anything to decrypt them well cause....they have different keys...

aluigi, posted Sat Jan 08, 2022 3:20 pm (68831)

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Because the length of the non-xored bytes changes for whatever reason and probably also other things change.
It's just a waste of time without the correct algorithm.

LuigiwithTHEDoNg, posted Sun Jan 09, 2022 12:52 pm (68902)

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is there anything i can do cause....i really want to rip the assets privately....

aluigi, posted Sun Jan 09, 2022 6:00 pm (68917)

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Maybe someone will find a rule for automatically calculating the xor key working with all the files, I have no other ideas at the moment because a file I checked didn't differ only in the length of the key.

LuigiwithTHEDoNg, posted Fri Jan 14, 2022 4:02 am (69069)

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Okay, i think this guy can figure out why they are xored repeteadly https://github.com/MalitsPlus/HoshimiTo ... ster/lapis

https://malitsplus.blogspot.com/2022/01 ... ights.html