How to decompress .fa archive?

Discussion in '3DS - ROM Hacking, Translations and Utilities' started by †Nømura, Jan 10, 2017.

  1. †Nømura
    OP

    †Nømura Member

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    Jun 21, 2013
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    Hiya, gbatempers.
    I'm trying to extract the contents of the Rom File System from the 3DS version of Inazuma Eleven 3 - Team Ogre Attacks. I have managed to unpack the rom, and these are the files I got:

    [​IMG]
    It seems that everything aside from the audio files is inside archive_op.fa
    Unfortunately, this archive is encrypted, and its internal structure appears troublesome. Does anyone here know how I can decrypt this file? I have tried using 3ds-xfsatool, which seems to work for other Level-5 games, but it hasn't worked. The program just crashes.

    These are the first few lines of the file viewed in a hex editor:

    [​IMG]

    Thank you in advance! [​IMG]
     
  2. pikatsu

    pikatsu GBAtemp Advanced Fan

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    Apr 16, 2014
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  3. †Nømura
    OP

    †Nømura Member

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    Jun 21, 2013
    Italy