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  1. #1
    Registered User sinkillerj's Avatar
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    Extracting .pkg (Theory)

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    When you download a file from the pc playstation store it saves a .XPD file to your computer. This file is used by the playstation network downloader to download your content (game, demo, etc). I was messing around and noticed that if you open the xpd with a text editor it reveals that it downloads a pkg and extracts it. My theory is by changing the pkg url in the xpd and also some other info that we could use this tool to extract ps3 pkgs.

    Example XPD:



    [Info]
    EID=pngc
    Desc=『まいにちいっしょ』PSP®用カス テーマ
    Size=247824

    [File]
    C=http://zeus.dl.playstation.net/cdn/JP9002/NPJA90054_00/awNJC8v74OLOMoR3FpL4YO3cq7MY1YXVfY1OyXM6e6Dp91UjH5 uAhPKyfsFFMla9T9WWhGJe6xfWfQTnDnIHkWxL7bXdwc1rt9yF G.pkg

    [DrmPNPD]
    AID=d6ff6e5107839a30
    CID=JP9002-NPJA90054_00-MAINICHICT000001
    LID=asksin@gmail.com
    EPW=B196215E8EFE978DC16F51E0A5EB5A0D23515D705070C3 AE7A2750BDA5D7AE9BBE8CD1D753D60A27C8958D43E35AB5DA
    KD=https://store.playstation.com/kdp.m
    CA=https://store.playstation.com/cap.m

    [DrmMGN]
    T2=http://sclock.ww.np.community.playstation.net/mgntt/get

  2. #2
    Forum Moderator PS3 News's Avatar
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    I'm sure you've probably already seen it, but in case you missed it check here for some PKG info:

    http://www.ps3news.com/forums/playst...ure-57073.html

  3. #3
    Registered User Maverik's Avatar
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    Quote Originally Posted by sinkillerj View Post
    When you download a file from the pc playstation store it saves a .XPD file to your computer. This file is used by the playstation network downloader to download your content (game, demo, etc). I was messing around and noticed that if you open the xpd with a text editor it reveals that it downloads a pkg and extracts it. My theory is by changing the pkg url in the xpd and also some other info that we could use this tool to extract ps3 pkgs.

    Example XPD:
    After finally being able to sign up i can share with you all my ideas ...
    Looking at this post (the pic and info may have something to do with the digital rights) and information i have seen throught the boards including the PSN Store links thread.

    Here are my Findings/Idea after d-loading the .pkgg files from the psn store links thread i can install every file i have d-loaded from there without any problems all the demos work but obviously none of the games (due to the digital rights) my theory ....if you look at the information on a file/game you own and have downloaded you will see your owne info etc now look at a full game / app you have d-loaded from the psn links thread no owner info in it at all , so if we could find the place this info is added to in the file and edit it the technnically you could put it on the ps3 and as you would be the owner you could play it. Maybe the info above has something to do with this

    I have only seen one program that will allow you to edit the .pkg owner info and not even sure it would work on ps3 files plus you have to be registered with the company to use it

    Sorry for babbling on and if this has already been suggested ignore me just thought i'd share. Feel free to move this post if needed.

  4. #4
    Registered User photoleecher's Avatar
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    Jan 2008
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    It's going to be difficult to extract PKG files if we don't know the algorithms used for encryption/signature.
    Maybe this can be figured out with the Test/Debug unit recently acquired?

  5. #5
    Registered User Sarge187's Avatar
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    Quote Originally Posted by sinkillerj View Post
    When you download a file from the pc playstation store it saves a .XPD file to your computer. This file is used by the playstation network downloader to download your content (game, demo, etc). I was messing around and noticed that if you open the xpd with a text editor it reveals that it downloads a pkg and extracts it. My theory is by changing the pkg url in the xpd and also some other info that we could use this tool to extract ps3 pkgs.

    Example XPD:
    You might want to remove your password(EPW), yes encrypted but everything can be decrypted

  6. #6
    Registered User wicked insanity's Avatar
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    It sounds simple but in the infomation on the downloaded game file it says, owner: and in my case "karl". If I copied the same .pkg file to another ps3 with a user account called Karl, might it still work.

 

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