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So I've checked DAT archives from "DATA" folder in "Treasure Island" game. screenshot000309.png It seems like it is a custom archive format with encrypted index. The data itself is not encrypted, that's why you can rip for example some WAV files from "Sound.dat" using D...

It's script written by aluigi memberlist.php?mode=viewprofile&u=889

This may help you http://wiki.xentax.com/index.php/List_of_Unity_Tools

I'm not an expert on Koei Tecmo formats, but I think that if encryption method is known and Cethleann source code is public, it should be possible to rewrite it's code as quickbms script (at least small part of it) and then use the same script for reimport. But first, someone needs to write such scr...

Quickbms has reimport mode (I've already mentioned it earlier).
You can import files back with the same script that was used for export.

GIMP has native support for DDS files. Use it to edit your textures.

More info here http://wiki.xentax.com/index.php/DDS_Image

My research on DXA archives --> http://wiki.xentax.com/index.php/DX_Archive
There are some newer tools for this format listed on the wiki.

But the whole wiki looks very defunct at that point, and I'm not sure how to contribute. Would the registration page work? No idea. Wiki is functional (well, everything except CSS themes works :D ) Public registration is closed (due to spam bots attacks from the past). You can PM me and I will regi...

UtkuGARIP wrote: ↑Tue Jan 03, 2023 7:38 pm Can you help me with this? Is there a compilation made?

Check this out https://www.google.com/search?client=fi ... ual+studio

So I was able to do some research on Namco All-Stars Dig Dug , which has very similar encryption to this Pac-Man game. File format looks like this http://wiki.xentax.com/index.php/Namco_All-Stars_PAK This archive type uses some kind of subtract encryption. Here is my Python tool for data extraction:...

UtkuGARIP wrote: ↑Fri Dec 30, 2022 1:55 pm I would love to have it for windows, I don't know python. Thanks for your hard work mate.

It's not Python, it's C#. And it can be compiled for Windows in Visual Studio.

By the way, Python tools can be executed on Windows as well.

Hm, I've checked your samples and index seems to be encrypted in all files except "launcher_pm.pak":
I think I would be able to figure out encryption method and file format, but I need some time.

screenshot000272(1).png

btw, should i use openssl or quickbms to execute Blowfish ECB encryption?

You can use quickbms (+ reimport mode)
More info here http://aluigi.altervista.org/papers/quickbms.txt

This should be something like this in the script:

Code: Select all

encryption bf_ecb "\x77\x45\xD6\xE5\x64\x13\xED"

Ok, thanks for explanation. Can you send a link to this archived github repositroy?
I can't find it anywhere.

EDIT: Btw, according to the logic described by you in the first post, key length is 7 and key is "77 45 D6 E5 64 13 ED" (as hex).

i couldn't attach a sample because that SRST file is over 500MBs..

You can upload it to some hosting site like mega.nz, google drive etc. and then share a public link here.

i just need to know what is the encryption key based on my screenshot above.

That's NOT how reverse engineering works

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