Why cant i load NAND backup from someone else?

Discussion in '3DS - Console, Accessories and Hardware' started by xmetalheadx, Oct 26, 2015.

  1. xmetalheadx
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    xmetalheadx Member

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    I have a n3ds with 10.2 on it and i have an gateway card, that i cant use. Why cant i take a NAND backup from someone else to downgrade my console? I mean, if its the same system and the same NAND chip it should be alright, or am i wrong?
     
  2. ringo1206

    ringo1206 Banned

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    You are wrong. I hope this is never possible.
     
  3. xmetalheadx
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    xmetalheadx Member

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    Why?
     
  4. TheKawaiiDesu

    TheKawaiiDesu Ball of Kawaiiness

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    No. Each console use a different encryption key, each being "burned" in its chip, and as a result only your console can read its NAND.
     
  5. DrCrygor07

    DrCrygor07 Italian Wario Ware bootleg©

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    (Ninja'd)The encryption keys are different from console to console
     
  6. xmetalheadx
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    xmetalheadx Member

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    Is there a way to read these encryption keys and simply replace them?(I know, it sounds too easy, bit im a noob in this category)
     
  7. TheKawaiiDesu

    TheKawaiiDesu Ball of Kawaiiness

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    Well, I don't think it is. If it would, I'm pretty sure anyone would have done this by now.
     
  8. xmetalheadx
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    xmetalheadx Member

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    I assume, you have no idea, where those keys might be located, right?
     
  9. Ericjwg

    Ericjwg Good

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    If it's possible, 3ds should stop produce now.:rolleyes:
     
  10. ringo1206

    ringo1206 Banned

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    Less Piracy
     
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  11. Ericjwg

    Ericjwg Good

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    don't assume this, assume that....
    noob shouldn't doubt anything that pro said is true....

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    load backup, go ahead.:)
    let's see what's gonna happen:lol:
     
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  12. xmetalheadx
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    xmetalheadx Member

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    There must be a way to find the encryption keys, for example searching for the differences and simmilarities between 2 10.2 NAND backups from 2 different systems(but those must be the same, for example 2 n3ds's with samsung NAND chip)
     
  13. TheKawaiiDesu

    TheKawaiiDesu Ball of Kawaiiness

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    No, I don't, but if iirc, one key is unique to the console's chip, one other is created on system creation/reset, and I don't know if there are others, and where they are :P
     
  14. xmetalheadx
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    xmetalheadx Member

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    Why do i have to stay a noob for ever? I'm currently trying to change that.
     
  15. TheKawaiiDesu

    TheKawaiiDesu Ball of Kawaiiness

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    You don't have to, but really, one part of going from noob to pro is accepting that if some people found a kernel exploit and dozens of entrypoints in a highly secure system, then they probably tried something anyone can think of. And it probably turned out to be a "bad" idea, since we have NO way to use a NAND backup on another 3DS than its creator.
     
  16. xmetalheadx
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    xmetalheadx Member

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    Alright, then i will give on that idea and stay with sysNAND 10.1... Anyway, thanks for the help ^^
     
  17. Ericjwg

    Ericjwg Good

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    Of course u can change that, but your idea is not thoughtful...

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    it's like asking the way to load different console's Nintendo3DS folder on a same nand
     
  18. xmetalheadx
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    xmetalheadx Member

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    Well, I'm still a noob and this is my lack of knowledge
     
  19. how_do_i_do_that

    how_do_i_do_that Blue Wizard is about to die.

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    AES key is encrypted on the NAND and are loaded to the ARM CPU. The key then get decrypted and moved an isolated and seperate section of memory of the CPU unaccessible to the user, it stays there until power is turned off and that point it is erased.

    The 3ds uses RSA keys in this case. If you want to understand how the boot order works etc, you can go here:

    http://3dbrew.org/wiki/Bootloader
     
    Last edited by how_do_i_do_that, Oct 26, 2015
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