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Guide to decrypt EDAT files
#1
Hi, could someone post a guide on how to decrypt EDAT files?
[Image: tumblr_nq0lhp2BoL1r61mabo4_500.gif] [Image: Cloud___Tifa_kids_by_ferus.jpg]
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#2
The simplest one would be using npdtool

For example key.edat

npdtool dr key.edat output.edat <rap key>.rap
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#3
(06-24-2014, 05:46 PM)jacky400 Wrote: The simplest one would be using npdtool

For example key.edat

npdtool dr key.edat output.edat <rap key>.rap

oh thnx, i know how to use npdtool, but i didnt know you use the rap file to decode all those files as well. Cool
[Image: tumblr_nq0lhp2BoL1r61mabo4_500.gif] [Image: Cloud___Tifa_kids_by_ferus.jpg]
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#4
I built it for anyone who needs it: https://mega.co.nz/#!Bg9DwAqZ!uqWBaSjXHF...w8Z1xzuPyw

(Hint: On Windows 7, shift+right click in the folder where the .exe is, and open a terminal/command window. Then type make_npdata.exe (type just that) and you will see the program usage, without a terminal window that exits when the program is done, so you don't see anything...)

Or look at this I guess

   
Asus N55SF, i7-2670QM (~2,8 ghz under typical load), GeForce GT 555M (only OpenGL)
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#5
i just tried it to decrypt a EDAT file from Jetpack Joyride , seems to be not working . Probably flag 0x3C and 0x3D are unsupported yet.

E:\rpcs3-master\npdtool>make_npdata -d jet.pak.edat output.edat UP4249-NPUB31097_00-JETPACKJOYRIDE00.rap
NPD HEADER
NPD version: 4
NPD license: 2
NPD type: 0

EDAT HEADER
EDAT flags: 0x0000003C
EDAT block size: 0x00004000
EDAT file size: 0x00BAB567

ERROR: A valid RAP file is needed for this EDAT file!
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#6
[quote='jacky400' pid='211988' dateline='1403709440']
i just tried it to decrypt a EDAT file from Jetpack Joyride , seems to be not working .(npdtool is fine)

E:\rpcs3-master\npdtool>make_npdata -d jet.pak.edat output.edat UP4249-NPUB31097_00-JETPACKJOYRIDE00.rap
NPD HEADER
NPD version: 4
NPD license: 2
NPD type: 0

EDAT HEADER
EDAT flags: 0x0000003C
EDAT block size: 0x00004000
EDAT file size: 0x00BAB567

ERROR: A valid RAP file is needed for this EDAT file!

Try using TrueAncestor edat rebuilder
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#7
(06-25-2014, 03:17 PM)jacky400 Wrote: i just tried it to decrypt a EDAT file from Jetpack Joyride , seems to be not working .(npdtool is fine)

E:\rpcs3-master\npdtool>make_npdata -d jet.pak.edat output.edat UP4249-NPUB31097_00-JETPACKJOYRIDE00.rap
NPD HEADER
NPD version: 4
NPD license: 2
NPD type: 0

EDAT HEADER
EDAT flags: 0x0000003C
EDAT block size: 0x00004000
EDAT file size: 0x00BAB567

ERROR: A valid RAP file is needed for this EDAT file!

You have to specify klick also.

make_npdata -d input output klick rap
Asus N55SF, i7-2670QM (~2,8 ghz under typical load), GeForce GT 555M (only OpenGL)
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#8
(06-25-2014, 03:58 PM)ssshadow Wrote:
(06-25-2014, 03:17 PM)jacky400 Wrote: i just tried it to decrypt a EDAT file from Jetpack Joyride , seems to be not working .(npdtool is fine)

E:\rpcs3-master\npdtool>make_npdata -d jet.pak.edat output.edat UP4249-NPUB31097_00-JETPACKJOYRIDE00.rap
NPD HEADER
NPD version: 4
NPD license: 2
NPD type: 0

EDAT HEADER
EDAT flags: 0x0000003C
EDAT block size: 0x00004000
EDAT file size: 0x00BAB567

ERROR: A valid RAP file is needed for this EDAT file!

You have to specify klick also.

make_npdata -d input output klick rap

Thanks it is okay now . The source code of make_npdata seems to be supported 0x3C flag though not yet on RPCS3 .
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#9
Just reminder for anyone if you are going to use npdtool , make sure you are using npdtool fix 2 , otherwise the EDAT decrypted will not be able to use with RPCS3

The best would be using make_npdata that should work straightly.
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#10
To decrypt EDAT file you need .rap file.
You can get ".rar" file by use "psnstuff" program
Then you should to put files ".edat , "npdtool.exe" and ".rap" into same folder for example I had put it into C:\edate
After it you should to run command promt there need to execute a command "C:\edate\npdtool.exe dr C:\edate\key.edat C:\edate\output.edat C:\edate\<here name of rap file>.rap"
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