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Toaru Majutsu no Index: Imaginary Fest mesh files and Textures

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Rinaldi104
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Toaru Majutsu no Index: Imaginary Fest mesh files and Textures

Post by Rinaldi104 » Sun Feb 14, 2021 8:50 am

Happy Valentine Days to all of you
I hope everyone here get a chocolates

Recently i've been working to look any toaru index imaginary fest files with my phone unfortunately i've got a solution with using Bluestacks and rooted with bluestack tweakers.
Based the other post i've got game files inside data/data/com.square_enix.android_googleplay.index_if
I manage to get those files and try to opened with Asset Studio but it failed
Someone said that it is encrypted with simple 1-byte xor key
So the question is
Is there anyone know how to solve this encryption and also get a texture files from this games
https://drive.google.com/file/d/1-0oYZw ... p=drivesdk

andree
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Re: Toaru Majutsu no Index: Imaginary Fest mesh files and Textures

Post by andree » Sun Feb 14, 2021 3:49 pm

Rinaldi104 wrote:
Sun Feb 14, 2021 8:50 am
Happy Valentine Days to all of you
I hope everyone here get a chocolates

Recently i've been working to look any toaru index imaginary fest files with my phone unfortunately i've got a solution with using Bluestacks and rooted with bluestack tweakers.
Based the other post i've got game files inside data/data/com.square_enix.android_googleplay.index_if
I manage to get those files and try to opened with Asset Studio but it failed
Someone said that it is encrypted with simple 1-byte xor key
So the question is
Is there anyone know how to solve this encryption and also get a texture files from this games
https://drive.google.com/file/d/1-0oYZw ... p=drivesdk
viewtopic.php?f=16&t=21917&p=171399#p171411

There is a script made for this.

Rinaldi104
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Re: Toaru Majutsu no Index: Imaginary Fest mesh files and Textures

Post by Rinaldi104 » Mon Feb 15, 2021 12:35 pm

Thank you andree
You're life saver 😊

zerotaku5123
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Re: Toaru Majutsu no Index: Imaginary Fest mesh files and Textures

Post by zerotaku5123 » Fri Feb 19, 2021 8:11 am

Rinaldi104 wrote:
Mon Feb 15, 2021 12:35 pm
Thank you andree
You're life saver 😊
did you manage to encrypt them?

Rinaldi104
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Re: Toaru Majutsu no Index: Imaginary Fest mesh files and Textures

Post by Rinaldi104 » Sun Feb 21, 2021 7:35 pm

Actually i got them already 😊

DarkSonic1
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Re: Toaru Majutsu no Index: Imaginary Fest mesh files and Textures

Post by DarkSonic1 » Sat Feb 27, 2021 8:24 pm

Rinaldi104 wrote:
Sun Feb 21, 2021 7:35 pm
Actually i got them already 😊
all files? Most of my files have not been decrypted

libaibaba
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Re: Toaru Majutsu no Index: Imaginary Fest mesh files and Textures

Post by libaibaba » Fri Mar 05, 2021 6:13 am

After a night of brain burning, I found that most of the files XOR to 0x100, and then loop. After further analysis, I guess that there are 1024 decryption schemes for the files, two of which are not encrypted or spam themselves (but you can delete them manually). They all have plaintext: unityfs, and one of the remaining 1022 is viewtopic.php?f=16&t=21917&p=171560&hil ... st#p171560 Use only one byte encryption,I only manually decrypted a few keys, which are only useful for a few files. I also decrypted the "b20e38b5" in the root directory, and found the details that seem to be the decryption scheme? I don't know the code. So I'm not sure.Looking at the installation package, I found that the company has another game I am playing:Nier Re[in]carnation,I have reason to believe that Nier uses the same encryption method。(Please forgive my grammar, it comes from the translation engine)
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libaibaba
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Re: Toaru Majutsu no Index: Imaginary Fest mesh files and Textures

Post by libaibaba » Fri Mar 05, 2021 6:14 am

And this
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libaibaba
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Re: Toaru Majutsu no Index: Imaginary Fest mesh files and Textures

Post by libaibaba » Fri Mar 05, 2021 11:42 am

Hello, it's me. Again, I think I've found a certain rule. Look at this:
无标题.png
I listed the bytes of some files from 0x7 to 0xa. Guess what? xor.key Changed with it! And it's cyclical! Sorry about my explanatory power.. For example: file a, byte 0x7-0xa is 00537b43, its first XOR key is 47, and file B, byte 0x7-0xa is 537b4385 (do you see it? The XOR key 47 is the last! File C, byte of 0x7-0xa is 7b43859a > >....... Cycle!
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