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PS4 CFW and Hacks Thread starter PSXHAXStart date Jun 30, 2018 at 12:10 AM 35
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Proceeding the PS4 SaveData Decrypting Tools in development, recent PS4 Game Saves with FPKG's Guide and his LibHB PS4 Homebrewing Library PlayStation 4 developer @cfwprophet made available PSFSKKey which is a PS4 SaveGame Decryption Tool for developers that is only missing the SAMU (Secure Asset Management Unit) PFS keys. 
Download: PSFSKKey-master.zip / GIT
From the ReadMe.md, to quote: PSFSKKey
A Tool to decrypt your save games. Right now just the SAMU PFS keys are missing. Code is already added. So when either, the Keys are released or some one which have, add them, then we have a working tool already.
For encryption aka signing, reverse the steps. Get SD master keys from ps4 devwiki or use SaveDataMasterKeyDumper_v2_505.pkg (Mirror) to dump them your self from your console. Put keys into same directory then this tool run.
Usage:
Code:
PSFSKKey.exe SaveDataPFSSKKey.bin SaveDataCredits:
Anonymous Dev
-Have Fun-
PSXHAX
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Coco Jones
Developer
Member
Contributor
Verified
- Apr 23, 2020 at 7:21 PM
- #31
@Peppins yes save mounter dump the save file. when you load the game and the save data on the ps4 the files get decrypted/encrypted in the system memory.
Peppins
Senior Member
Contributor
- Apr 24, 2020 at 2:00 PM
- #32
@Coco Jones OT: Ok, but the "decrypted" save is still encrypted, it's not like a text file when you open it (my one is .sav).
Coco Jones
Developer
Member
Contributor
Verified
- Apr 24, 2020 at 3:34 PM
- #33
i dont know much about it but you need to open it with hex editor is not a text file. you can get save wizard max. 60$ i really hope it gets cheaper.
RandomGuy12
Member
Contributor
- Jun 15, 2020 at 5:30 PM
- #34
I'm quite new to this. I have followed everything but now I'm on the part where the tool gives me the PSF Key. It says "Your PSF Key is: (Key here)".
What exactly do I do with the key to now decrypt the save? If anyone else also had the answer and can help me out, that would be appreciated.
Thank you.
lotus78
Senior Member
Contributor
Verified
- Jun 17, 2020 at 12:47 PM
- #35
@RandomGuy12
"A Tool to decrypt your save games. Right now just the SAMU PFS keys are missing."
Someone have to bring up the SAMU keys.. 
Ryandeanxro
Senior Member
Contributor
Verified
- Jun 22, 2020 at 3:57 AM
- #36
Nice 
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- cfwprophetcfwprphtcfwprpht.tumblr.comfinalize_pkgs.exelibhb-master.rarmake_pkg.batps4 gamesave decryption toolps4 savegame decryption toolps4 sd master keyspsfskkeypsfskkey.exesamples_src.rarsamu pfs keyssavedatamasterkeydumper v2savedatamasterkeydumper_v2_505.pkgsavedatapfsskkey.bin
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