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A challenge for the expert hackers.

Discussion in 'Engineering & Reverse Engineering' started by Guess Who, Dec 30, 2003.

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  1. LOst

    LOst

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    WinHex
     
  2. Guess Who

    Guess Who

    It's a miracle! Oldbie
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    DOH. In my WinHEX, it requires a encryption key.
     
  3. Guess Who

    Guess Who

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    It still won't work, I can't play games with 3d models on this piece of...
     
  4. fuzzbuzz

    fuzzbuzz

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    Ah. I see, too bad. You should buy a 3d card. It's a really fun game, course, I've never played it before, this was my first time. It may be boring to other people that have played other 3d Sonic Games..

    Fuzzbuzz
     
  5. Guess Who

    Guess Who

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    I'm content with playing it on my Gamecube. But I still wanna know the encryption key!
     
  6. Guess Who

    Guess Who

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    I want my friggin' encryption key!
     
  7. Hivebrain

    Hivebrain

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    LOst, that ROM you posted is only half there. What happened to the data after 0x80000 ?
     
  8. Quickman

    Quickman

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    I got a file which went right up to $1FFFFFF, so you must have a duff download.

    Anyway, analysis of it in a hex editor (since after the checksum is fixed it just gives me a black screen) seems to indicate it's exactly the same as the final.
     
  9. fuzzbuzz

    fuzzbuzz

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    I compared it to the final, and found spread data, either exclusive to LOst's or exclusive to the Final. I have a picture, but it's on my other computer...


    Fuzzbuzz
     
  10. LOst

    LOst

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    The emulator must have deleted it after the decryption :)
     
  11. Hivebrain

    Hivebrain

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    The file I downloaded is also 2Mb. Everything after 0x80000 is zeros, which is why the ROM doesn't work.
     
  12. Guess Who

    Guess Who

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    But still, WHAT'S THE ENCRYPTION KEY?!
     
  13. fuzzbuzz

    fuzzbuzz

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    Encryption key. I'm gonna go and try and figure that out. Hooray.
     
  14. Skaarg

    Skaarg

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    that don't work it asks for a login stuff
     
  15. SupperTails66

    SupperTails66

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    It works for me, but it's slow as... something really slow... since it's 2 600 MB files. I'm on the 3rd file, luckily, which is 54% done as of 8:00 PM.
     
  16. fuzzbuzz

    fuzzbuzz

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    ftp://scarz:[email protected]/
    scarz is the user
    sadxpc is the pass.


    Anywayz, I'm posting a *working* version of the Sega Smash Pack 2 Sonic 2 rom and my "findings", which aren't really findings at all. Here goes:

    The *working* SSmash2 Sonic2 Rom!!


    Here's the interesting parts:

    [​IMG]

    The one on the left is my version, and the right, is the original from the cart. The clear parts, with the lines that connect to eachother, is data that is exactly the same. The yellow data is for the original rom ONLY, and the red data is for the Smash 2 rom ONLY. Data that is black with a line to the other rom, is relocated data.

    The most interesting part of this, is that the rom I dumped, the smaller one, works flawlessly, even though there is 1 MB of data (seen in the yellow at the end of the original) missing! (Not sure, but maybe I added that excess data. I don't remember! :))

    EDIT: Okay, I *think* that that "extra" data you see on the end of my rom, is the HPZ excess data IPS thingy that so you can play HPZ in the final Sonic 2 rom. Interestingly enough, you notice that some of the added HPZ data from my original (modified :P) rom is present in the upper portion of the Sega Smash Pack 2 Sonic 2 Rom. (Don't quote me on any of this, unless, of course, I'm right :P)

    Other than that, as you can see, it's EXACTLY like the final, just with a few pieces added or moved.

    And sorry, no encryption key yet. :) Oh, and unless the Smash Pack 2 rom is compressed, the rom will never have that excess data at the end like the original rom.


    Fuzzbuzz
     
  17. SupperTails66

    SupperTails66

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    Ummm... about that SADX: PC download... the files are in .mdf format. I've read that I have to use this thing called ISO buster to convert them to .bin format or something, but then how do I play the game?
     
  18. fuzzbuzz

    fuzzbuzz

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    Use Alcohol 120%
     
  19. SupperTails66

    SupperTails66

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    Never mind, I think I've almost got it working anyways using ISO Buster, but I'll have to burn a couple of CDs...
     
  20. SupperTails66

    SupperTails66

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    (Sorry about the double post) All right, I've installed the files and all that after burning the files to two CDs, but when I try to start it up, I get a message (in Japanese, although my computer tries to show it in English) and the only readable thing is "CD 2". I tried it with both CDs, too! :angry: :angry: :angry: :angry:
     
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