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PostPosted: Sun Jan 21, 2018 6:20 am 

Joined: Thu Sep 03, 2015 5:15 pm
Posts: 3
hello
i can't extract dragon nest .pak files
i'm using the quickbms 0.6.6a and dragonnest.bms

Image

code
Code:
IDString "EyedentityGames Packing File 0.1" 
goto 0x104
get Files long
get noffset long
goto noffset
for i = 0 < FILES
getdstring NAME 0x100
get ZSIZE long
get SIZE long
get ZSIZE1 long
get OFFSET long
get UNK3 long
getdstring NULL1 0x28
if SIZE == 0
print "skip %NAME%"
else
clog NAME OFFSET ZSIZE SIZE
endif
next i 


can you help me?
thanks


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PostPosted: Sun Jan 21, 2018 10:42 am 
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Joined: Wed Jul 30, 2014 9:32 pm
Posts: 9227
Upload one of these archives


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PostPosted: Sat Feb 03, 2018 1:58 pm 
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Joined: Wed Jul 30, 2014 9:32 pm
Posts: 9227
Since the OP apparently no longer cares about this, I leave a link to a resource and a keyword for the search engines:
https://github.com/alin1337/DNSkyProject (DNPakCrypto/DNPakCrypto/Main.cpp)
Ralukat Labs Packing System 1.1

Basically it's just a set of different XOR obfuscations based on the section of the archive to decrypt, I mean like:
Code:
buffer[i] ^= buffer[i - 1] ^ cheimagice[i % 512];
buffer[i] ^= rlkt[i%(sizeof(rlkt)-1)];
buffer[i] ^= cheimagice[(j+0x69) % 512];
buffer[i] ^= buffer[i - 1] ^ cheimagice[j % 512];


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