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Following the initial PS4 Keystone File Details, PS4 Keystone Archives and Keystone File Testing updates PlayStation 4 Scene developer RoosterTeethForLife has made available an Add Keystone GUI v0.11 with some updates below for those experimenting with them.

Download: Add Keystone GUI v0.2.zip (2.36 MB) / Add Keystone GUI v0.2.zip (Mirror) / Orbis.Loader.AND.GenGP4.Keystone.Patched-LMAN.rar (677 KB with gengp4-patched.exe and orbis-loader.exe) / Add Keystone GUI v0.2.1.zip (2.4 MB)

Spoiler: Depreciated

To quote from RoosterTeethForLife via Reddit: Add Keystone GUI

Add Keystone GUI is a simple tool to add a keystone file to an existing fake PKG.

Your FPKG must be modifiable


Please note that this tool has just recently been released and may contain bugs. If you encounter an error, send a PM to RoosterTeethForLife.

Known Bugs:

• Using a keystone or PKG file with spaces in the path will cause the tool to not work. Ensure that the path to your keystone and/or PKG does not contain spaces. (This will be fixed in an update very soon)

Screenshots:


[ATTACH type="full" alt="Add Keystone GUI...

Yesterday PlayStation 4 developers did some patch testing following a recent tutorial from magicbluemonkeydog on using original / legit PS4 game saves with FPKG's (Fake PKG games) with details below.

To quote from magicbluemonkeydog via Reddit: You CAN Use Legit Saves with FPKG Fames Tutorial

1. Dump your original game and package normally BUT make sure to select the option to allow the pkg to be modifiable.

2. Write the original keystone from your dump into the pkg like so:


3. Load up your game and rejoice as your saves work with the newly installed fpkg.

You'll want to write the keystone from your disc dump into the Complete Edition fpkg then. If the CE version you have isn't modifiable, just extract it and rebuild it with the modify option. Depending on the CUSA version, you might need to edit your save database as well, there's a post in this subreddit detailing how to do that.

I'd use the PS4 Package Viewer by LMAN to extract the complete edition. From there, it's just like building an fpkg from a regular dump, but with the mod_pkg flag set (it's an option when pressing build).

Ask someone nicely who has the original keystone file to upload it for you. Or borrow/rent the disc. The legit, non fake PKG file will still be on your PS4 if you haven't deleted the game install but without the passcode you won't be able to extract the keystone file from it.

Updates don't have keystones, at least not the ones I've looked at. Makes sense, you wouldn't want to change the keystone and invalidate legitimate saves when updating. You can use pkg viewer to check though.

Every PS4 game has a keystone file which is generated based off of the passcode used when creating the game package. This keystone file is used to identify a save as belonging to that game. As fpkgs use all 0's for the passcode, the keystone file...

Following the previous updates, PlayStation 4 developer VV1LD (aka VVildCard777) recently made available a Flexible Kernel Dumper Payload for PS4 supporting firmware versions 4.05, 4.55 and 5.05.

Download: PS4-KernelDumper-master.zip / GIT

To quote from the README.md: Kernel Dumper for PS4

Supported Firmwares

• 4.05
  
• 4.55
  
• 5.05

Network Mode

Just change this in /include/defines.h to make compatible with your version

i.e
Compile with your PC's IP listening on port 9023

On PC you can do to listen: socat - tcp-listen:9023 > kernelDump.bin

and to send: socat -u FILE:payload.bin TCP:"PS4 IP":9020

you can then trim out the socket prints or you can adapt it with 2 sockets, one for dumping, another for logging.

To compile you need to use an *** with changes for latest fw support support, i have used https://github.com/xvortex/ps4-payload-***

USB/Filesystem Mode

To dump the kernel image to the filesystem or USB stick either change/keep
..to where ever you choose

and to use the USB method simply comment out this line in /include/defines.h
to send it is still: socat -u FILE:payload.bin TCP:"PS4 IP":9020

Have Fun!

Update: Also from David_TRC comes a PS4 5.50 dumper TRC with details from the README.md below, as follows: PS4 5.50 WebKit Exploit PoC

Download: PS4-5.50-dumper-TRC-master.zip / GIT

Based on:

• 5.50 exploit by...

If you haven't checked out his awesome PS2 for PS4 PKGs Guide or JKPatch PS4 Memory Tool by all means do, as recently Xemio (aka @g991 or jogolden / goldfitzgerald on Twitter) made available a PlayStation 4 Debugger with 5.05 OFW support called PS4Debug for developers to modify memory with.

Download: ps4debug-master.zip / GIT

To quote from the README.md on the tool: PS4Debug

A debugger with support for the PlayStation 4! Have a look at blank for a little example! I hope someone will come along and make a full featured debugger with this framework.

Currently supports firmware 5.05 only!

PS4 Source Discord ... https://discord.gg/WXgmWFh

golden

Twitter @cloverleafswag3
psxhax g991

Debug Watch PlayStation 4 Debugger

Since his PS4 PKGDec Tool PlayStation 4 developer @RedEyeX32 has been busy working on OrbisPKG with help from the OpenOrbis Team!

Download: OrbisPkg-master.zip / GIT

Below are some details about it from the README.md file, as follows: OrbisPKG

OrbisPkg is a tool that will enable you to view/edit contents of a retail and/or fake package. This is part of the open source effort for the PlayStation 4 platform.

Thanks to the OpenOrbis team