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  1. #9
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    Buddah is offline
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    Re: Gears of War 3 XP and Trophys Checksum?

    all games implement a sha1, since thats what the hashes on the whole container are. maybe thats what you are looking at. i always felt it was a sha1 with a salt of some sort.

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  2. #10
    I Am super Cool
    Philymaster


    Philymaster is offline
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    Re: Gears of War 3 XP and Trophys Checksum?

    I think the checksum is based on a few things from the gamer profile.
    But i don't know.

    If you mod the game with horizon, it requires the profile.

    More i can't say.

    Good luck

  3. #11
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    absurdlyobfuscated is offline
    Join Date : Aug 2011
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    Re: Gears of War 3 XP and Trophys Checksum?

    Yeah, after tracing through a bit more it does look like at least a few places that call the SHA-1 functions are related to scripting or engine related stuff. So I probably got my hopes up for nothing -_-

    And I haven't had any luck disassembling Horizon as an alternate way of finding how it's done, either. Short of getting a Horizon dev to divulge their secrets, I don't see an easy way of figuring this out D:

    Edit: Another way might be to trace through the sub that saves PlayerStorage.dat - sub_82989AF8.
    Last edited by absurdlyobfuscated; 04-23-2012 at 12:56 AM.

  4. #12
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    Buddah is offline
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    Re: Gears of War 3 XP and Trophys Checksum?

    Quote Originally Posted by Philymaster View Post
    I think the checksum is based on a few things from the gamer profile.
    But i don't know.

    If you mod the game with horizon, it requires the profile.

    More i can't say.

    Good luck
    thats because the stats are stored in the gamesave file as well as the gpd.
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  5. #13
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    Buddah is offline
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    Re: Gears of War 3 XP and Trophys Checksum?

    Quote Originally Posted by absurdlyobfuscated View Post
    Yeah, after tracing through a bit more it does look like at least a few places that call the SHA-1 functions are related to scripting or engine related stuff. So I probably got my hopes up for nothing -_-

    And I haven't had any luck disassembling Horizon as an alternate way of finding how it's done, either. Short of getting a Horizon dev to divulge their secrets, I don't see an easy way of figuring this out D:

    Edit: Another way might be to trace through the sub that saves PlayerStorage.dat - sub_82989AF8.
    follow the error message back. i dont know if there is a corrupt message but its worth a try.
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