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PostPosted: Mon Sep 04, 2017 4:44 pm 

Joined: Fri Jan 20, 2017 10:25 am
Posts: 32
Hello, I am trying to get the bin files for the game mentioned above working correctly. When exporting them from unity assets bundle the .acb comes out as a .txt file and I manually change it to the proper .acb as all of the unity extractors extract them in a .txt manner. Though I do run the file through VGM Tool the file still comes out as a garbled mess. In Unitystudio and in unity assets bundler both files are read as a text file.

Link to game:
https://play.google.com/store/apps/deta ... KGRI&hl=en

Initial game Archive reuploaded. This shows a lot more detailed files mainly .MF, .SF., .RSA Files that I haven't seen before.
https://www.mediafire.com/file/v93f0iunflg130s/%u6771%u4EAC%u55B0%u7A2E%20re%20invoke_v1.1.6_apkpure.com.zip


Main ACB (Used the ACB before it was extracted and the lines look way different)
http://www.mediafire.com/file/vruqor990 ... 3_IBF2.acb
Image


The .Bin Files that are supposed to convert to .HCA via HCA2WAV
https://www.mediafire.com/file/2b8j5wu7 ... ype-06.bin

Image

The .HCA File Extracted from via VGM Tool.
https://www.mediafire.com/file/66bgk5i3 ... 000000.hca

https://i.imgur.com/RWjBsB3.png



No Idea why when I convert it, the sound doesn't work properly. Any suggestions?

Post Edit: Updated to Add some images of the lines via HXD.

Updated : added a Link to the game


Last edited by GoodConduct on Tue Oct 03, 2017 2:44 pm, edited 8 times in total.

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PostPosted: Wed Sep 13, 2017 10:47 am 

Joined: Fri Aug 08, 2014 11:25 am
Posts: 100
You need to find the decryption key for the HCA files in order to decode them correctly.


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PostPosted: Thu Sep 14, 2017 7:21 am 

Joined: Fri Jan 20, 2017 10:25 am
Posts: 32
brendan19 wrote:
You need to find the decryption key for the HCA files in order to decode them correctly.


Dang it, Thank you for the response. So that's why I cannot hear squat.. Any idea on how I can start my search for the decryption key?


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PostPosted: Thu Sep 14, 2017 11:02 am 

Joined: Fri Aug 08, 2014 11:25 am
Posts: 100
I think there is a tool someone has made that can get a readout of the decryption key. Not entirely too sure how to go about it as it's from a japanese coder.


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PostPosted: Fri Sep 15, 2017 3:06 pm 

Joined: Fri Jan 20, 2017 10:25 am
Posts: 32
brendan19 wrote:
I think there is a tool someone has made that can get a readout of the decryption key. Not entirely too sure how to go about it as it's from a japanese coder.


Seems like one has to summon the great Key Decrypter, dang it so close to having the sound effects yet so far away.


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PostPosted: Sun Sep 24, 2017 6:23 pm 

Joined: Fri Jan 20, 2017 10:25 am
Posts: 32
brendan19 wrote:
I think there is a tool someone has made that can get a readout of the decryption key. Not entirely too sure how to go about it as it's from a japanese coder.


Do you know where yo get the key? I know only know of hcadec 1.16 is that it?


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PostPosted: Tue Sep 26, 2017 10:20 am 

Joined: Fri Aug 08, 2014 11:25 am
Posts: 100
Essentially from what I've read about it, you swap out one of the CRI unity runtime libraries in the game files with a modified version of it and then run the game as per normal. When the game runs, it brings up a command prompt display and shows the decryption key in plain-text to see.


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PostPosted: Tue Sep 26, 2017 5:26 pm 

Joined: Fri Jan 20, 2017 10:25 am
Posts: 32
brendan19 wrote:
Essentially from what I've read about it, you swap out one of the CRI unity runtime libraries in the game files with a modified version of it and then run the game as per normal. When the game runs, it brings up a command prompt display and shows the decryption key in plain-text to see.


Yea, I need to find that seems very useful. Though I will end up uploading all the files I have which can be opened in unity studio. A lot of things like the images work however sounds are just locked off. I just noticed that I had one of the wrong ACB files uploaded. The new ACB that I have had different information in the HxD. Seems the headers start with a @UTF.


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PostPosted: Wed Sep 27, 2017 1:33 am 

Joined: Fri Jan 20, 2017 10:25 am
Posts: 32
Added entire Game Archive via Mediafire


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PostPosted: Tue Oct 03, 2017 2:44 pm 

Joined: Fri Jan 20, 2017 10:25 am
Posts: 32
Uploaded a converted APK which holds new files originally not in the first upload. The key might be in one of them.


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PostPosted: Sat Oct 07, 2017 4:40 am 

Joined: Fri Jan 20, 2017 10:25 am
Posts: 32
Hey, Aluigi do you know what I am missing possibly or what I should even look for? I believe the encryption is in a file but I wouldn't know what it looks like.


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