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PostPosted: Wed Aug 02, 2017 8:48 am 

Joined: Sun Dec 04, 2016 1:05 am
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There are some examples of successful Unpacking, but the information is too lacking.....:(
need help !

here is sample .ncf file

https://mega.nz/#!6INwGYKB!dC6MXBxFEpS9 ... PJypCRmwEk


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PostPosted: Fri Aug 04, 2017 5:24 pm 
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Joined: Wed Jul 30, 2014 9:32 pm
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The archive starts with the following magics:
Ngine Chunk Layer spec 1.3
Ngine Chunk File

Immediately followed by some data at offset 0x80 which is probably encrypted or compressed and it's probably one of the files, in fact there are also "plain" files like png images.

So there is no index at the beginning and no index at the end with information about the archived files, maybe there are one or more small files with a different extension in the game's folder?


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PostPosted: Sat Aug 05, 2017 4:59 am 

Joined: Sun Dec 04, 2016 1:05 am
Posts: 12
aluigi wrote:
The archive starts with the following magics:
Ngine Chunk Layer spec 1.3
Ngine Chunk File

Immediately followed by some data at offset 0x80 which is probably encrypted or compressed and it's probably one of the files, in fact there are also "plain" files like png images.

So there is no index at the beginning and no index at the end with information about the archived files, maybe there are one or more small files with a different extension in the game's folder?



https://mega.nz/#F!7c8h0bIS!n24N7KCNTkS-O4P7Cd_wFQ

this is the whole data files


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PostPosted: Sat Aug 05, 2017 7:48 am 
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The only interesting file is Data.pk that has a 32bit field at the beginning which is the size of the data followed by the random data. So I'm quite sure the game uses encryption.


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PostPosted: Sat Aug 05, 2017 11:13 am 

Joined: Sun Dec 04, 2016 1:05 am
Posts: 12
aluigi wrote:
The only interesting file is Data.pk that has a 32bit field at the beginning which is the size of the data followed by the random data. So I'm quite sure the game uses encryption.


then what should I do to unpacking them...... ? X(


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PostPosted: Sat Aug 05, 2017 11:35 am 
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Without reverse engineering the encryption adopted for the data you can do almost nothing.
Well, the only thing you can do at the moment is dumping the few non-encrypted files with a file ripper:
viewtopic.php?f=17&t=712

If someone wants to do the RE job and provide the info, I will be more than happy to write the script on the fly.


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