I have an NXT, two RCXs, and a 3G nano I would love to build a  
nanotron. Any descriptions or guidance on what should be done?

Ari

On Jan 18, 2010, at 10:53 AM, Taylor Gordon wrote:

> Someone either needs to build a nanotron, or hope that stooo can get  
> JTAG
> working on the 3g.
>
> On Mon, Jan 18, 2010 at 6:07 AM, Philip Marquis <angelwolf71...@gmail.com 
> >wrote:
>
>> im just curios if a nanotron for the 3G nano still being used?
>> because it seems like development has more or less stoped
>>
>> On Mon, Jan 18, 2010 at 6:00 AM, <linux4nano-dev-requ...@gna.org>  
>> wrote:
>>
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>>> Today's Topics:
>>>
>>>  1. Re: Ipod Nano 3rd Generation (The Seven)
>>>
>>>
>>> ----------------------------------------------------------------------
>>>
>>> Message: 1
>>> Date: Sun, 17 Jan 2010 12:45:47 +0100
>>> From: The Seven <these...@gmx.net>
>>> Subject: Re: [Linux4nano-dev] Ipod Nano 3rd Generation
>>> To: developpement mailing list <linux4nano-dev@gna.org>
>>> Message-ID: <4b52f86b.9090...@gmx.net>
>>> Content-Type: text/plain; charset=UTF-8
>>>
>>> This is going to have a turnaround time of one or two *minutes*  
>>> per key.
>>> Trying to decrypt the data and using some heuristics to detect a  
>>> correct
>>> decryption would be *way* faster. And still, it would need  
>>> thousands of
>>> years. In the average case, we would have to do roughly 1.7e+38  
>>> tries.
>>> Even if we could try a billion keys per second (which is far more  
>>> than
>>> we could actually do) on a million machines in parallel, that  
>>> would take
>>> roughly 5.000.000.000.000.000 years. Bruteforcing AES128 just  
>>> can't work
>>> out.
>>>
>>> So we need to think about a different approach:
>>> - Either find a way to execute code on the device itself, and  
>>> analyze it
>>> from the inside, trying to find some hole in their security system.
>>> (Succeeded on 2G, and we can execute code but haven't found a flaw  
>>> yet
>>> on 4G, there's still much analysis to be done on that platform)
>>> - Find another way to steal their key. Some nice folks at 25C3  
>>> showed
>>> that it may actually be possible to do that by opening up and  
>>> analyzing
>>> the chip itself, even though they were dealing with way older,
>>> lower-density chips.
>>> - Analyze it once again from the outside and find another  
>>> vulnerability
>>> earlier in the boot process, that allows us to execute code at a  
>>> stage
>>> where the crypto unit is still accessible.
>>>
>>> Keanen Shaw schrieb:
>>>> To clarify, I was saying that you replace data in the first  
>>>> location of
>>>> writable memory, and if the code executes (is valid), success, if  
>>>> not,
>>> try
>>>> the next encryption key.
>>>>
>>>> On Sat, Jan 16, 2010 at 10:28 PM, Cory Walker <cwalke...@gmail.com>
>>> wrote:
>>>>
>>>>> Brief summary of the current situation: (as far as we know)
>>>>>
>>>>> 1. We can't replace the first code run because it is ROM (not
>> accessible
>>>>> from the outside) stored in the Samsung processor.
>>>>> 2. We can't replace code on writable memory because it has to be
>>> encrypted
>>>>> with a key we don't know.
>>>>> 3. For the same reason, we can't do anything with the code we  
>>>>> can read
>>>>> since
>>>>> it's encrypted.
>>>>>
>>>>> On Sat, Jan 16, 2010 at 9:05 PM, mat h <mat...@gmail.com> wrote:
>>>>>
>>>>>> Sorry I thought it did use a linux subsystem.
>>>>>>
>>>>>> On Sun, Jan 17, 2010 at 12:36 PM, The Seven <these...@gmx.net>
>> wrote:
>>>>>>
>>>>>>> Rockbox and uclinux don't have anything in common. Rockbox  
>>>>>>> uses some
>>>>>>> tiny bits of cherrypicked linux code here and there, but it is
>>>>> certainly
>>>>>>> not based on linux, as it has its own operating system core.
>>>>>>> And Rockbox can successfully load and play music at least on  
>>>>>>> most
>> 2Gs.
>>>>>>> We know about one flash chip type out of about 30 of them that  
>>>>>>> at
>>> least
>>>>>>> sometimes refuses to work properly in Rockbox, but for the vast
>>>>> majority
>>>>>>> of devices, Rockbox is next to fully functional, only some small
>>> things
>>>>>>> still lacking...
>>>>>>> My iPod Nano 2G is Rockbox-only since several months now, I
>> completely
>>>>>>> removed the Apple firmware, and it's working just fine for  
>>>>>>> everyday
>>>>> use.
>>>>>>> mat h schrieb:
>>>>>>>> Well rockbox is uclinux, it boots although it doesnt work 100%
>> (cant
>>>>>> load
>>>>>>>> music)
>>>>>>>>
>>>>>>>> On Sun, Jan 17, 2010 at 12:26 PM, The Seven <these...@gmx.net>
>>>>> wrote:
>>>>>>>>> Well, actually, I released that thing, and I don't know  
>>>>>>>>> anything
>>>>> about
>>>>>> a
>>>>>>>>> 2G linux port... That linux boot option is just "reserved for
>> future
>>>>>>>>> use" ;-)
>>>>>>>>>
>>>>>>>>> mat h schrieb:
>>>>>>>>>> Take a look in the archives, you will see the bootloader that
>> they
>>>>>>>>> released
>>>>>>>>>> for the 2G, no idea about the other generations, I went to an
>> ipod
>>>>>>> touch
>>>>>>>>>> recently :P
>>>>>>>>>>
>>>>>>>>>> On Sun, Jan 17, 2010 at 12:19 PM, The Seven  
>>>>>>>>>> <these...@gmx.net>
>>>>>> wrote:
>>>>>>>>>>> So have we got somewhere on the 2G/4G?
>>>>>>>>>>> Actually I'm very interested about your ideas, even though I
>> think
>>>>> I
>>>>>>>>>>> have got quite a comprehensive overview about those things  
>>>>>>>>>>> and
>> the
>>>>>>> only
>>>>>>>>>>> plan that I could think of that doesn't run into a dead end
>>>>>> somewhere
>>>>>>> is
>>>>>>>>>>> figuring out that return address and making our exploit  
>>>>>>>>>>> work.
>>>>>>>>>>> Nevertheless, I would be very pleased to discuss your ideas
>> here.
>>>>>>>>>>> I may have missed something, and even if I didn't, I would  
>>>>>>>>>>> at
>>>>> least
>>>>>>> like
>>>>>>>>>>> to clarify *why* a certain plan can't work in the end.
>>>>>>>>>>> So please just explain your ideas...
>>>>>>>>>>>
>>>>>>>>>>> Keanen Shaw schrieb:
>>>>>>>>>>>> I will do neither of those things. I have a few ideas of  
>>>>>>>>>>>> what
>> to
>>>>> do
>>>>>>>>>>> myself,
>>>>>>>>>>>> but I'm sure none of you would listen. The guy who  
>>>>>>>>>>>> emailed me
>>>>> about
>>>>>>> my
>>>>>>>>>>> last
>>>>>>>>>>>> message didn't even email me back after my response, so I  
>>>>>>>>>>>> have
>> no
>>>>>>>>> reason
>>>>>>>>>>> to
>>>>>>>>>>>> believe that you guys are getting anywhere.
>>>>>>>>>>>>
>>>>>>>>>>>> On Sat, Jan 16, 2010 at 3:39 PM, The Seven <these...@gmx.net 
>>>>>>>>>>>> >
>>>>>> wrote:
>>>>>>>>>>>>> Do you feel like opening it and soldering on the PCB?
>>>>>>>>>>>>> Or maybe donate it to stooo, our "hardware wizard"?
>>>>>>>>>>>>> We may indeed need another 3G for board-level testing...
>>>>>>>>>>>>>
>>>>>>>>>>>>> Keanen Shaw schrieb:
>>>>>>>>>>>>>> Hey people, since I'm on the mailing list I thought it  
>>>>>>>>>>>>>> would
>> be
>>>>>>>>>>>>> appropriate
>>>>>>>>>>>>>> for me to actually say something without you blokes  
>>>>>>>>>>>>>> ignoring
>>>>> it.
>>>>>>> So,
>>>>>>>>>>> for
>>>>>>>>>>>>> the
>>>>>>>>>>>>>> last time, I have an iPod Nano 3G that I can run any  
>>>>>>>>>>>>>> kind of
>>>>> test
>>>>>>> on
>>>>>>>>>>> you
>>>>>>>>>>>>>> want. It is pretty much disposable, as I have no way to  
>>>>>>>>>>>>>> use
>> it
>>>>>> now
>>>>>>>>> that
>>>>>>>>>>>>> I'm
>>>>>>>>>>>>>> running Puppy Linux. Anyone want to say "nice to know" or
>>>>> "we'll
>>>>>>> keep
>>>>>>>>>>> in
>>>>>>>>>>>>>> touch"? I'm not going to deal with this bullshit anymore.
>>>>>>>>>>>>>> _______________________________________________
>>>>>>>>>>>>>> Linux4nano-dev mailing list
>>>>>>>>>>>>>> Linux4nano-dev@gna.org
>>>>>>>>>>>>>> https://mail.gna.org/listinfo/linux4nano-dev
>>>>>>>>>>>>>> http://www.linux4nano.org
>>>>>>>>>>>>>>
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>>>>>>>>>> SplitIce
>>>>>>>>>> http://thewarezscene.org
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>>> End of Linux4nano-dev Digest, Vol 32, Issue 7
>>> *********************************************
>>>
>>
>>
>>
>> --
>> I enjoy the massacre of ads. This sentence will slaughter ads  
>> without a
>> messy bloodbath.
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