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94w ago - Following up on his previous release, PlayStation 3 developer LMAN (aka theleecherman) has made available an update to his PSN PKG Decryptor & Extractor bringing it to version 1.74a with the changes and some more revisions below.

Download: PSN.PKG.Decryptor.&.Extractor.v1.85-LMAN.rar / PSN.PKG.Decryptor.&.Extractor.v1.84-LMAN.rar / PSN.PKG.Decryptor.&.Extractor.v1.83-LMAN.rar / PSN.PKG.Decryptor.&.Extractor.v1.82-LMAN.rar / PSN.PKG.Decryptor.&.Extractor.v1.81-LMAN.rar / PSN.PKG.Decryptor.&.Extractor.v1.80-LMAN.rar / PSN.PKG.Decryptor.&.Extractor.v1.79-LMAN.rar / PSN.PKG.Decryptor.&.Extractor.v1.78-LMAN.rar / PSN.PKG.Decryptor.&.Extractor.v1.77-LMAN.rar / PSN.PKG.Decryptor.&.Extractor.v1.76-LMAN.rar / PSN.PKG.Decryptor.&.Extractor.v1.75-LMAN.rar / PSN PKG Decryptor & Extractor v1.74a / PSN PKG Decryptor & Extractor v1.74 / PSN PKG Decryptor & Extractor v1.73 / PSN PKG Decryptor & Extractor v1.72 / .NET Framework 2 / .NET Framework 2 (x64)

PSN PKG Decryptor and Extractor Changelogs:

1.72:

Added New Config dialog. ( Show it by Pressing F1 on Single\Batch Mode form )
Added New ContextMenu Option "Copy Selected Link(s)" And "Show Details" in PSN Update dialog.
Support to Display SHA1-Hash, QA-Digest and also PKG Type in log details.
Automatically Abort the operation if the PKG file is corrupted.
Support to Verify UMDVIDEO ISO file.
Detect Unofficial PSOne EBOOT.PBP file.
!Fixed an issue while generating KEYS.BIN for some PSOne Game.
!Fixed a problem when switch back to SingleMode.

1.73:

Improved detection of pgd\edat files.
Reduced the memory usage for pgd\edat files.

1.74:

!Fixed "PKG file is Incomplete!" message when process\verify PKG file that >2GB in size.

1.74a:

!Fixed an issue while decrypting some PSP PKG Game Update.

1.75:
+Updated bad dump fixes to support ULJM05340.

1.76:
+Added a New Button to display the Configuration window.
+Improved EBOOT detection.
+Improved Performance in batch mode.
+Improved and Changed the Log window style, and added new label to Copy the selected log to Clipboard.

1.77:
+Added Configuration Button to Batch Mode.
+Added a New CheckBox Option in Configuration window to Permanently Delete PKG files after decrypting it.
+Added a New CheckBox Option for Ask to rename PKG files to It's ContentID.

1.78:
!Fixed ask to rename PKG option, doesn't work when each time launching the program.

1.79:
+Support to Drag and Drop PKG's URL into the Input field.
+Support to Display PKG's Images and Details before Decrypting. ( Retail PKG Only )
+Support to Download PKG files from PSN and Directly Decrypt it. ( Single Mode Only )

1.80:
+Auto Fetch PKG's infos from PSN URL.
+Added New Button to Add files, and Removed the Double-Click add function.
+Added New Option to Use and add a download location for PKG files.

1.81:
+Support to download PKG files from any URL.

1.82:
+Support to Display Absolute URL Path in the log.
+Support to Ignore Redirect URL links using the blacklisted file (url-blacklist.txt)

Note: to use this feature, create a text file named url-blacklist.txt on the same folder as the application, then append the site's name that using redirect links (each site's name in a new line)

Example if you have this url: anyname.com/redirect-to/?redirect=anyname.com/filename.pkg and want to ignore the redirect link do this: Append only the first site's name in url-blacklist.txt file (you don't need to type the whole redirect link) anyname.com/

1.83:
+Fixed an issue when pasting\adding file's path into the input field.

1.84:
!Updated GUI and NPDecryptor.
!Improved Redrawing Controls.

1.85:
!Fixed decrypting PSP\PSOne PKGs >2GB.


PSN PKG Decryptor and Extractor v1.74a By LMAN is Now Available

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#3 - oVERSoLDiER - 229w ago
oVERSoLDiER's Avatar
Works very nice. Thanks for that !

#2 - anulu82 - 229w ago
anulu82's Avatar
now, let's wait a packer/encrypter... i've checked the source code, but i don't speak C# .net

#1 - denazgull - 229w ago
denazgull's Avatar
Today Mathieulh has released a PSP / PS3 PKG Decrypter and Extractor v.1.0.0.0 for decrypting and extracting PlayStation 3, PlayStation Portable and mixed game package files via PC.

Download: PSP / PS3 PKG Decrypter and Extractor v.1.0.0.0 / PSP / PS3 PKG Decrypter and Extractor v.1.0.0.1 by daGraveR / PS3Tools

To quote from the ReadMe/Twitter: btw if you don't want to mess with the whole packages algo stuff, just use AES CTR with the package key iv at 0x70 in the package. Sorry I forgot to include the readme in the fixed release, this is now fixed as well. btw that hmac key was fail, don't use it, another is actually used.

It's not really signed, just encrypted with AES and HMAC. woops I forgot to enable the button when I cleaned up the app (yeah I fail, gonna do a small re-release xD) btw I forgot to mention in the readme this is not the 1:1 algorithm, it's been improved, it extracts pkgs roughly 3 times as fast as on ps3.

What does this do ?

This will decrypt and extract Playstation 3, Playstation Portable and mixed GAME PACKAGES (NOT UPDATER ONES !) onto your pc.

How do I use it ?

Just open the package you want to extract or drag and drop it and click on "Extract package"

Can I run this on Linux ?

Sorry this app is windows only, however full sources have been supplied along with it so feel free to make a Linux port out of it, you have my blessing.

Can This encrypt/sign my game packages ?

NO, when this application was written, the main concern was about packages decryption, so that part was kinda skipped, however it is trivial to do the reverse operation, remember, sources are supplied.

Here is the little story, this little app was done since litterally AGES , distributed to a very small amount of people, and was conveniently designed and used to decrypt packages and repack them on our debug consoles so we wouldn't have to QA flag them to update our games or install games we purchased from the ps store.

The algorithm was a bit of a pain to reverse but the keys could be easily grabbed with a lv2 exploit. So here we are, this app was done but the problem is it couldn't be leaked because I and a few other people who were entrusted with it, were kinda afraid that sony would change the keys and fix whatever exploits we had (turned out they didn't) but since we can now get whatever
new keys they add/change this has become a quite irrelevant concern. The next concern was piracy.

There was nothing at the time justifying a release for that application, most people would just not have a legit use for it so releasing was out of the question.

So what changed our minds ? Well, ccc happened, and Segher (props to him !) figured how to conveniently calculate private keys and suddenly a legit use appeared, as people would/might need to encrypt their packages to install their own signed apps onto their consoles. This is not a 1:1 algorithm port as it's been improved, thus the decryption happens 3 times as fast as on playstation 3.

Since people suddenly became interested in the game packages format, we just thought releasing that app would spare them the (hours of) work of reversing the encryption algorithm and that this code would not go to waste.

Special thanks to someone who helped a lot but whishes to remain anonymous.

Greetings to Segher whom, I believe people tend to forget too often.

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