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lemurboy12, posted Fri Oct 17, 2014 6:31 pm (960)

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http://puu.sh/bVAhR.7z

All of the game's models and textures are in data.pak, and I can't find a script that opens it.

aluigi, posted Fri Oct 17, 2014 9:36 pm (964)

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Another "1KAP" archive.
I remember to have seen another one just recently but I have no script for that signature in my archive so, even if I don't remember that other game/archive, I think I had no success with it.

aluigi, posted Fri Oct 17, 2014 9:49 pm (965)

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Anyway the following script works:

Code:

idstring "1KAP"
get FILES long
get OFFSET long # for what?
for STOP = 0 == 0
    get DUMMY long
    if DUMMY != 0xffffffff
    if DUMMY u> FILES
        math STOP = 1
    endif
    endif
next

goto -4 0 SEEK_CUR
for i = 0 < FILES
    get NAME_CRC long
    get DUMMY long
    get ZSIZE long
    get SIZE long
    get OFFSET long
    if SIZE == ZSIZE
        log "" OFFSET SIZE
    else
        clog "" OFFSET ZSIZE SIZE   # unknown compression
    endif
next i

Ekey, posted Fri Oct 17, 2014 10:25 pm (971)

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lemurboy12 wrote:

http://puu.sh/bVAhR.7z

All of the game's models and textures are in data.pak, and I can't find a script that opens it.

This game for iOS/Android right? I have not found any links for download.

aluigi wrote:

Another "1KAP" archive.
I remember to have seen another one just recently but I have no script for that signature in my archive so, even if I don't remember that other game/archive, I think I had no success with it.

Game from the developers of Little Big Planet. They use encryption (At least as it was on the PS3)

Miles2345, posted Fri Oct 17, 2014 10:48 pm (972)

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The PS3 version is not encrypted, it uses ZLIB. I made a post about it.

lemurboy12, posted Tue Dec 02, 2014 5:02 pm (2078)

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I tried it on the Android version. It gets four files, then it stops.
https://www.dropbox.com/s/taqh2jrkxd5jt ... n.zip?dl=0

aluigi, posted Wed Dec 03, 2014 8:15 pm (2086)

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It's not supported.
It seems that it uses encryption or obfuscation because the non-compressed files are all scrambled.

Ekey, posted Thu Dec 04, 2014 12:11 pm (2095)

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Well, seems it's simple xor

RSBR_pak_load.rar

aluigi, posted Thu Dec 04, 2014 12:26 pm (2096)

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Have you dumped the key at object 2068 and key_size at object 2072?

Ekey, posted Thu Dec 04, 2014 12:28 pm (2097)

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Empty space or i'm blind -> https://www.sendspace.com/file/jn6pp4

About strange table: I checked 3 version PS, iOS and Android and it always with size 0x400.

Ekey, posted Thu Dec 04, 2014 2:22 pm (2098)

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Ok key is dynamic. Key generated by Mersenne Twister algorithm from seed.

dwSeed -> 0xBAFF1EDu
dwKeySize -> 773

Code:

Pak::Archive::Archive(v6, v3, 0xBAFF1EDu, 773);

Simple way :

1) Generate MT State from Seed
2) Copy random bytes from this state

Code:

 
   //Make copy state > from generated state
   _aeabi_memcpy(&MT_State, Pak::GetInitRandState(unsigned int)::state, 2504);

   //Make key
   for ( ; KeySize; --KeySize )
      *(_BYTE *)pKey   = Pak::GetRand(&MT_State);

Pak_Archive_Archive.rar

Ekey, posted Thu Dec 04, 2014 4:49 pm (2100)

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Here my code based on PseudoCode for generating key. Hope key is valid

Code for decrypt -> see below

Ekey, posted Thu Dec 04, 2014 8:58 pm (2102)

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Okay decryption finished.

PS : See below

lemurboy12, posted Thu Dec 04, 2014 11:27 pm (2105)

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so what does all this do?

Ekey, posted Thu Dec 04, 2014 11:31 pm (2106)

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I written unpacker (supported all version). Hash algorithm is CRC32 but generated hashes from my list is invalid. Any ideas?

RSBRPAKUnpacker_0.0.1_b1.rar

lemurboy12, posted Thu Dec 04, 2014 11:48 pm (2107)

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any idea where the model textures are stored in this game?

Ekey, posted Fri Dec 05, 2014 12:00 am (2108)

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Check the files manually until a hash algorithm is not clear

lemurboy12, posted Fri Dec 05, 2014 12:56 am (2109)

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I don't know what that is

lemurboy12, posted Sat Jan 03, 2015 7:28 pm (2437)

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http://puu.sh/e1xV1.zip

The game had a new update and the script doesn't work on it anymore. This is for the iOS version.

aluigi, posted Sun Jan 04, 2015 1:11 pm (2441)

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Am I wrong or is it obfuscated now?

Ekey, posted Sun Jan 04, 2015 3:14 pm (2443)

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iOS/Android versions always has been encrypted. My unpacker supported all PS/iOS/Android. Probably lemurboy12 read this topic not attentively.