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Thread: Possible Ways to Crack the Bootloader

  1. Beta Team
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    #11
    I am just learning to theme so im not very knowledgeable on programming at all lol. But when moto releases an ota what file or whatever do they use for the phone to accept it? Is there a way to get what you need from any of that? Probably a stupid noobie thought but I was just thinking in my little brain.

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    #12
    SHA-1 encryption has been broken by a team of researchers; Xiaoyun Wang, Yiqun Lisa Yin, and Hongbo Yu, and apparently they have been shadily distributing their paper, but its not readily publicly available. They used hash collisions to break the encryption. I personally know calculus, differential equations, greens and stokes theorem, and linear albegra, but this type of math is still way over my head. From my limited understanding on this...hash collisions would be the only real way to actually crack the encryption (vs. bypass, or the work you have been doing..), and considering that it has already been done, then I suppose that makes it a viable solution. I don't know if a team of researchers from Shandong University in China would care enough about the android hacker community to share their findings... but I suppose anything is possible. If in fact they were willing to share this information, the function could be used in a powerful computational program such as Maple, Matlab, or Mathmatica, to generate the private keys... but I think you might need the public key..? Like I said...I really only have a surface-level understanding of whats involved.

    The more practical but still highly unlikely method for getting the keys would be to get them from moto somehow... but the hacker community is too small for them to care.

    We could all stand outside of moto headquaters and wait for the ceo to walk towards his car and then.... lol.

    If you are interested in actually cracking it.. wish would be epic, and probably more likely than reverse engineering the radio baseband drivers (which seems to be the issue...right?), then hash collisions are the way to go, and those researchers are the ones with the knowledge on how to do it. I don't think they want to publicly distribute their work because SHA-1 encryption is still widely used and has been implemented as an industry standard since md5 encryption was broken.

    I hope that helps, or provides some hope... I personally have a DX and would love it to be cracked.. I wish I had a better understanding of the math involved. Regardless... I really appreciate your determination and commitment to this project, thank you for all your hard work.

    I will try and see if I can find some solid information on this... but I really think that those guys are the only ones with the info that relevant... that being, the actual solution. There are documented studies with hash collisions available.. but they don't have what you need. Those guys have the answer.

    {{ WugFresh }}
    Last edited by WugFresh; 03-23-2011 at 07:02 PM.
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    #13
    Would the Xoom hold any useful information? as i understand its bootloader is locked, but can be unlocked? also as the above poster said, the bootloader and kernel are updated somehow through ota's? how does say maderstock change the kernel? Wouldn't their have to be some kind of key to allow it to change it? just some thoughts, rather new to this =P would love to get some cyanogen lovin on my DX
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    #14
    I will for sure be following this! Im very interested in learning how. I think we all help each other out bounce ideas out and edit and change each others we should be able to crack it. Just need to know how then I say we go for it.

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  5. Junior Droid
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    #15
    I just think we need to send someone into Motorolla under cover style! Get on the team that devs the phones and BOOM! We (our community) are in!

    Short of that though, I seriously wish anyone and everyone the best of luck!

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    #16
    Quote Originally Posted by droidx8791 View Post
    I am just learning to theme so im not very knowledgeable on programming at all lol. But when moto releases an ota what file or whatever do they use for the phone to accept it? Is there a way to get what you need from any of that? Probably a stupid noobie thought but I was just thinking in my little brain.

    Sent from my DROIDX using DroidForums App
    I think that's the one most likely of doing any good however it requires waiting till gb is released which some people don't want to do.

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  7. Master Droid
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    #17
    Im on it lol jk

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    #18
    Well true 13angel but we already had froyo ota and P3droid has a developers dx with gingerbread ( i think)so there is gotta be something. When we got froyo ota our phones had to read some file to acknowledge it was legit. I might not be making any sense cause I don't know anything about the process.

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    #19
    I think it just parses your build.prop for ro.fingerprint and device and id, and then checks for all the stock apps... I could just be making that up though.. thats just what I thought...

    {{ WugFresh }}
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    #20
    Quote Originally Posted by WugFresh View Post
    I think it just parses your build.prop for ro.fingerprint and device and id, and then checks for all the stock apps... I could just be making that up though.. thats just what I thought...

    {{ WugFresh }}
    Wouldnt it have to open the bootloader and all that jazz in order to upgrade the kernel to the gingerbread one though? That would require the key to be sent along with the ota update.
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