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Delacroix, posted Tue Feb 09, 2016 8:54 am (11314)

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https://dl.dropboxusercontent.com/u/735 ... sddata.dat

Can I ask for help in extracting this? (it's possible that the potential script will work not only for MoG but also for the prequel as the engine is the same - if not, I'll upload a sample from World Party too) Thanks in advance.

aluigi, posted Tue Feb 09, 2016 3:52 pm (11319)

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DXArchive with key "dezabema":
http://homepage2.nifty.com/natupaji/DxLib/dxdload.html

Usage example:
DxaDecode.exe -K:dezabema sddata.dat

Those types of archives can be recognized because they have no headers or readable data.
Then if you analyze the executable check the availability of the following constants: 0x8a, 0xac, 0x7f, 0xd6 and 0xcc, plus 0xaa used if no key is provided. That one is the DXArchive::KeyCreate function with the Key string

Delacroix, posted Tue Feb 09, 2016 6:18 pm (11322)

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aluigi wrote:

Then if you analyze the executable check the availability of the following constants: 0x8a, 0xac, 0x7f, 0xd6 and 0xcc, plus 0xaa used if no key is provided. That one is the DXArchive::KeyCreate function with the Key string

... I honestly have no idea if this is even English

Anyhow, needless to say, this does NOT work for the prequel. Uploading the prequel's archive now.

Delacroix, posted Tue Feb 09, 2016 10:40 pm (11325)

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Link in the OP has been updated. May I ask for help with this one as well?

aluigi, posted Wed Feb 10, 2016 8:06 am (11329)

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If it's a different game (a prequel is a different game moreover if the key changes) I need the executable and the name of the game.

Delacroix, posted Wed Feb 10, 2016 9:15 am (11333)

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Touhou Yuuen Sekai (translates as World Party, lol)...

https://dl.dropboxusercontent.com/u/735 ... hworld.exe

aluigi, posted Wed Feb 10, 2016 10:04 am (11335)

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The key is: denn2

Delacroix, posted Wed Feb 10, 2016 10:11 am (11336)

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Thanks, Luigi! I take it, to recreate the archives, I have to use the same keys with DXAEncode, yes?

aluigi, posted Wed Feb 10, 2016 10:25 am (11337)

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It should work, try:
DXAEncode.exe -K:denn2 FOLDER