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  1. #1
    Homebrew Developer zecoxao's Avatar
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    [RELEASE] psxtract, a tool to convert psx eboots to iso


    Hykem the Demon, known for his amazing work on Reverse Engineering on file formats, such as PGD, SDAT, EDAT, RIF, RAP, ACT.DAT and others (you can see some of his work on the emunewz network forums) has decided to release the last piece of the puzzle for psx decryption, a tool called psxtract, which converts psx eboots to iso format.

    You can read all about it on his github:
    psxtract
    Tool to decrypt and convert PSOne Classics from PSP/PS3. Written by Hykem.

    This tool allows you to decrypt a PSOne Classics EBOOT.PBP on your PC, using the emulated PSP method. It features a modified version of libkirk's source code to support DES encryption/decryption and the AMCTRL functions.

    Notes

    You may supply a KEYS.BIN file to the tool, but this is not necessary. Using the internal files' hashes, psxtract can calculate the key by itself.

    Game file manual decryption is also supported (DOCUMENT.DAT).

    For more details about the algorithms involved in the extraction process please check the following sources:

    PBP unpacking: https://github.com/pspdev/pspsdk/blo...s/unpack-pbp.c

    PGD decryption: http://www.emunewz.net/forum/showthread.php?tid=3834 (initial research) https://code.google.com/p/jpcsp/sour...rypto/PGD.java (JPCSP) https://github.com/tpunix/kirk_engin...r/npdrm/dnas.c (tpunix)

    AMCTRL functions: https://code.google.com/p/jpcsp/sour...to/AMCTRL.java (JPCSP) https://github.com/tpunix/kirk_engin.../kirk/amctrl.c (tpunix)

    Credits

    Draan, Proxima and everyone involved in kirk-engine (libkirk source code)

    tpunix (C port and research of the PGD and AMCTRL algorithms)

    PSPSDK (PBP unpacking sample code)
    Note for the people using this: Multi Disc ISO support isn't available. you may also expect some bugs with some of the isos.

    source and download
    Last edited by hellsing9; 02-24-2014 at 10:21 PM.
    A great man once typed:
    Code:
        /* Let's be as stupid as sony here... */
        fwrite(hash + 0xC, 8, 1, fp);


  2. #2
    Homebrew Developer zecoxao's Avatar
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    @Ada Love Lace http://www.psxpspmanuals.com/
    A great man once typed:
    Code:
        /* Let's be as stupid as sony here... */
        fwrite(hash + 0xC, 8, 1, fp);

  3. #3
    hellsing9's Avatar
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    Frontpaged, thanks @zecoxao awesome tool.
    Check Blacklist of FAKE devs
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  4. #4
    Your soul is mine!
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    Brb, off to fap.

  5. #5
    Member arachetous's Avatar
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    good background

    thx for the news.
    CFW CEX ARCH 4.55 build RC2

  6. #6
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    So I got the ISO.BIN file out of the pkg but how exactly do turn it into a real ISO file? Nothing I have seems to unpack the file or allow me to mount it.

  7. #7
    Homebrew Developer zecoxao's Avatar
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    Quote Originally Posted by Elegant View Post
    So I got the ISO.BIN file out of the pkg but how exactly do turn it into a real ISO file? Nothing I have seems to unpack the file or allow me to mount it.
    just test with an emulator such as epsxe. the game will work just like that. i have done this with crash bandicoot 1 and 2 and it works.
    A great man once typed:
    Code:
        /* Let's be as stupid as sony here... */
        fwrite(hash + 0xC, 8, 1, fp);

  8. #8
    PS3 *h*** No**is H3avyRa1n's Avatar
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    Cobra CFW needed?

  9. #9
    Senior Member tjhooker73's Avatar
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    Quote Originally Posted by H3avyRa1n View Post
    Cobra CFW needed?
    Why would it be? MM can play PS1 ISO's on any Cfirmware last I checked.

    Sent from my One Xl using Tapatalk
    Helpful Links: |MinVerCk |SKU_Models |How to downgrade |
    More: |PS3DEVWIKI |Kiosk Reverters |Jig |Progskeet |E3Flasher |Useful Tools |


  10. #10
    Homebrew Developer zecoxao's Avatar
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    i left a note there that multi disc iso support is currently unavailable. i told Hykem of this, hopefully he fixes that specific part
    he told me he only tested with some games.
    A great man once typed:
    Code:
        /* Let's be as stupid as sony here... */
        fwrite(hash + 0xC, 8, 1, fp);

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