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LeonNeol, posted Wed Aug 21, 2019 1:56 pm (50391)

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I need some help in decompressing/decrypting .bin files I got from an RPG game made by Bandai Namco Ent so it has readable strings.
In the given dropbox link you can find a folder containing character.bin and character_old.bin file.

The character.bin is a new file which has some sort of compression applied to it, but last year the game does not compress these files, so character_old.bin file is the old file from last year that is not compressed and I think this may help us know more about the .bin files' structure.

I also included the lib folder I extracted from the game's apk files that I think may help?
Dropbox link: https://www.dropbox.com/sh/ugcw9ixlmcoq ... 4pvYa?dl=0


Can someone help me with this problem?
Note: The game originally has a CCZ encryption (by cocos2D IIRC) ( zlib) which a guy called uFalox helped the community decrypting it, so the .bin file's compression is actually the second layer of compression.


Thank you.

aluigi, posted Sun Sep 29, 2019 7:35 am (51088)

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You can dump the data from the bin with this script:

Code:

# SAOMD game bin
goto 0x14
get FILES long
math FILES - 1
for i = 0 < FILES
    get OFFSET long
    putarray 0 i OFFSET
next i
    get OFFSET asize
    putarray 0 i OFFSET
sortarray 0
for i = 0 < FILES
    getarray OFFSET 0 i
    math i   1
    getarray SIZE   0 i
    math SIZE - OFFSET
    log "" OFFSET SIZE
next