How to manually decrypt romfs, exefx and exh with xorpads?

Discussion in '3DS - ROM Hacking, Translations and Utilities' started by DJPlayer, May 24, 2015.

  1. DJPlayer
    OP

    DJPlayer Banned

    Banned
    2
    May 21, 2015
    Netherlands
    Hello Community,
    right now I want to create a regionfree cia of Bravely Second.
    The Problem: None of the existing converters are able to create a regionfree cia with using the original .3ds and xorpads.
    Now I've created the xorpads and used MEX to merge exefs_norm.xorpad and exefs_7x.xorpad.

    I'm really new in doing things like this and now I want to know how I can decrypt the Encrypted Files (romfs, exefs and exh) by using the xorpads.
    I want to change the Region in the icon.bin (02 00 00 00 to 7f ff ff ff), and build a cia out of the decrypted/modified files.
    How can I do this?
    COuld someone write me a simple tutorial, please?
    I guess when I decrypt all the files manually, I would be able to create a regionfree cia.


    EDIT:
    How can I extract the files from a romfs-file?
    I want to rebuild it
     
  2. DJPlayer
    OP

    DJPlayer Banned

    Banned
    2
    May 21, 2015
    Netherlands
    EDIT: After trying many times and some days, I got this shit finally to work!
    I was able to build a Region Free Version of Bravely Second JPN as Cia! <3
     
  3. Asia81

    Asia81 In my Ecchi World <3

    Member
    12
    Nov 15, 2014
    France
    Albi
    Are you CellenseresX93 where you know ?
     
  4. DJPlayer
    OP

    DJPlayer Banned

    Banned
    2
    May 21, 2015
    Netherlands

    possibru
     
  5. night_hawk

    night_hawk GBAtemp Fan

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    Dec 3, 2014
    Italy
    I tried today to generate the xorpads by myself and it worked just fine. It was a bad xorpads issue?
     
  6. DJPlayer
    OP

    DJPlayer Banned

    Banned
    2
    May 21, 2015
    Netherlands
    not sure. but right now, I was able to create a regionfree game :)
     
  7. night_hawk

    night_hawk GBAtemp Fan

    Member
    3
    Dec 3, 2014
    Italy
    Glad you solved :)
     
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