Re: Reason for openmoko - bugsafe?

2007-07-15 Thread Jeff Rush

Edwin Lock wrote:


My main point was if the state, well, anyone who had connections to
the carriers, could turn the neo into a bug too.. And it seems that it
isn't possible cause of the software mixer being off when the device
is off :)


Actually one may want to implement this on the OpenMoko themselves, as a 
phone-theft tracking system.  Imagine being able to call your missing phone 
and enable at least GPS tracking so you can recover it.


Being able to switch on audio recording to the flash storage, with periodic 
burst transmission to an Internet location of GPS points, audio samples and 
such might be useful for some applications as well.  Leave it in a taxi in New 
York and plot the conversations and locations on a webpage, as part of a 
reality show... ;-)


BTW, anyone have good leads on small Bluetooth camera lapel pins?  It would be 
cool to have the OpenMoko able to record/recognize the faces of people I meet 
or places I visit.


-Jeff


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Re: Reason for openmoko - bugsafe?

2007-07-15 Thread Niels L. Ellegaard
"Edwin Lock" <[EMAIL PROTECTED]> writes:

> My main point was if the state, well, anyone who had connections to
> the carriers, could turn the neo into a bug too.. And it seems that it
> isn't possible cause of the software mixer being off when the device
> is off :)

For the German speakers I believe that Harald Welte discussed some of
this with Tim Pritlov during an interview with Chaos radio in March
this year, but I don't remember if that interview contains much
security related information that hasn't allready been mentioned in
this thread.

http://chaosradio.ccc.de/cre042.html

 Niels


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Re: Reason for openmoko - bugsafe?

2007-07-15 Thread Peter Trapp

Hi all,

I've read the article in German. They are written about a stuff like this:


Fabien schrieb:
Just to (hopefully) clarify: I've read, probably from some very 
unreliable internet source, about a scheme where police make the 
carrier uploads an "improved" firmware over the air, which turns the 
phone into a microphone, even when not calling; it changes the 
shutdown function into a "pretend to shutdown yet go on spying"; the 
only fix would then be to remove batteries.


As source "heise" cites an article from the very common political 
magazin "Spiegel"...


Beside of updating the phone with an "improved firmware" they talking 
about using different signals (my 2cent: not mentioned in more detail) 
to switch on the hands-free set to be able to record/listen tothe 
environment noise of the phone -- as long as the phone is switched on.


The second possibility mentioned in the news is that the phone will be 
switched to a "switched off" mode by turning off the screen and the 
speaker. In fact the mobile is still connected to the provider. 
Therefore the police has to work together with the provider (my 2cent: 
as mentioned above from Fabien via the firmware).


And last but not least, the third method to change the phone to be able 
as a bug is to hack the mobile via BT, WLAN or IR and dropping a 
trojaner into it.



my 2cents (only short):
I think these parts has to be discussed more separatly.

At least the third point (hacking the phone) can be handled and improved 
here. (using firewall, monitor, ...)


And also the 2nd one is more difficult using a freed phone (as also 
stated from Fabien see below).


For the first one. I'm not sure about the "signals" they're using. More 
technical detail are necessary (at least for me :) ).


If you're talking about this, let's say that this kind of scheme is 
much harder to implement on an open-source phone, especially if you 
can run an arbitrary set of monitoring applications on it. It's not 
theoretically impossible, but probably completely impractical, even 
for a rogue state agency.





Sorry for my bad english. Hope that helps to clarify the Topic...

cheers
-homyx





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Re: Reason for openmoko - bugsafe?

2007-07-15 Thread Edwin Lock

Thanks a lot for all the answers!
My main point was if the state, well, anyone who had connections to
the carriers, could turn the neo into a bug too.. And it seems that it
isn't possible cause of the software mixer being off when the device
is off :)
And david? I use gmail, yes ;) Luckily I can still control and decide
what I write in gmail;)
My concern was that the state, or carrier, could arbitrarily record
everything in the surrounding. I reckoned they could record my
conversations, sadly ;)
Just to clarify, I wouldn't use gmail if it grabbed all my TCP/IP
output of my pc and searched every file on my pc. As long as I know
what google does and gets I am satisfied.
I hope you understand.
Lastly, why do you get the idea that I choose that phone cause it is
more safe? I just got to read about it that way, I plan to buy it
because of it's fantastic possibilities, both software and
hardwarewise, touchscreen, linux, a lot of apps(ported and native)
etc. But I am sure you know exactly why the neo is so great :)
Thanks again!

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Re: Reason for openmoko - bugsafe?

2007-07-15 Thread Chris Kuethe

On 7/15/07, David Lefty Schlesinger <[EMAIL PROTECTED]> wrote:

I'm personally quite confident that if some government or other decides
that they need to listen in on my conversations, my having a cellphone
which won't cooperate with them isn't going to slow them down
particularly. I'm also quite confident that I'm not interesting enough
to any government for them to go to the trouble.

On my list of "things to worry about", this possibility ranks a good bit
below things like "being struck by lightning" and "being eaten by a
Great White Shark".


It shouldn't be something you ever have to worry about... much like I
don't worry that my next breath will contain enough oxygen to sustain
life. I have a deep, irrational, unshakable belief that there will be,
just as much as I have a belief that I should be able to have a quiet,
private conversation with whomever I chose. If I decide to let some
datum be widely disseminated, I'll send it to a mailing list, or tell
my friends to tell all their friends.

Classic text - "why do you need pgp?" http://www.pgpi.org/doc/whypgp/en/
PGPfone manual: http://www.pgpi.org/cgi/download.cgi?filename=pgpfone10b7.pdf

WRT the use of gmail by those who claim to be privacy nuts, a) it's
trivial to create more gmail accounts with plausible names when you
need them, and b) posting to a publicly archived mailing list from
gmail isn't worse than not using gmail. Just be aware that whatever
you say will be scanned and decide if you need to take technical
measures to defeat that, based on the content of your message ... not
unlike the telephone problem.

Enjoy being a nobody. Enjoy being uninteresting to "them". Let's just
hope you never accidentally emit the wrong phrase at the wrong time.
http://www.theregister.co.uk/2005/07/29/bofh_2005_episode_22/

CK

--
GDB has a 'break' feature; why doesn't it have 'fix' too?

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Re: Reason for openmoko - bugsafe?

2007-07-15 Thread David \"Lefty\" Schlesinger
Lars Hallberg wrote:
> I think the issue is if the phone can bug *any* conversation You have
> when the phone is around, not only phone conversations. That is a
> valid concern. And I believe Neo can be safe if we make sure to use
> the mixer to turn of the mic/speaker connection to the gsm chip while
> there is no active phonecall... That is... unless ti have a mic on the
> gsm chip :-)
I'm personally quite confident that if some government or other decides
that they need to listen in on my conversations, my having a cellphone
which won't cooperate with them isn't going to slow them down
particularly. I'm also quite confident that I'm not interesting enough
to any government for them to go to the trouble.

On my list of "things to worry about", this possibility ranks a good bit
below things like "being struck by lightning" and "being eaten by a
Great White Shark".



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Re: Reason for openmoko - bugsafe?

2007-07-15 Thread Ian Darwin

David "Lefty" Schlesinger wrote:


(And you're using _gmail_? Wow.)


Good one!

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Re: Reason for openmoko - bugsafe?

2007-07-15 Thread Fabien

On 7/15/07, Rodolphe Ortalo <[EMAIL PROTECTED]> wrote:


Technically yes.
However, legally, they cannot do this *arbitrarily*.



technically / legally / arbitrarily: technically it's doable, we agree;
arbitrariness can be debatted in courts indeed, if you ever get to a court.
But the main concern of many people, nowadays, is the definition and
reliability of legality, especially in the US. There are more and more
loopholes allowing agencies to get away with illegal actions. Besides, if
there are legal protections for US citizens, at least in theory, in case of
economic intelligence, they can spy all they want on foreign companies and
their employees. So if you value your privacy, you'd better bet on
technology than on laws and respect thereof. That's an important part of
openmoko's "take your freedom back" stand.

Now, time to pack my tinfoil hat before this goes completely OT :)
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Re: Reason for openmoko - bugsafe?

2007-07-15 Thread Rodolphe Ortalo
Le dimanche 15 juillet 2007 à 18:46 +0200, Fabien a écrit :
[...]
> Finally, you can't do anything against geolocation either: your
> carrier needs to know where you are in order to route calls to you, so
> state agencies can retrieve that information directly from the
> carrier, whatever your phone is, as soon as it's on. 

Technically yes.
However, legally, they cannot do this *arbitrarily*.
(Please note that going further into a definition of what is or is not
arbitrary will probably lead us off-topic... :-)

Rodolphe



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Re: Reason for openmoko - bugsafe?

2007-07-15 Thread Rodolphe Ortalo
Le dimanche 15 juillet 2007 à 11:35 -0500, Simon a écrit :
> > and the phone being able to be remotely turned on without
> > the users knowledge, to act as a bug.
> 
> Would that be some sort of "manipulation of private property" ?

This notion of property of the phone could be manipulated too via
properly arranged operators contracts that's not the main point.

IMHO, the issue here is that it constitutes an invasion of your personal
privacy which, if I am not mistaken, is related to a basic human right.
Ref: (sorry, using a French source, but I guess you will recognize
easily its origin)
Art. XII de la Déclaration Universelle des Droits de l'Homme: "Nul ne
sera l'objet d'immixtions arbitraires dans sa vie privée, son domicile
ou sa correspondance..." (UNO, december 1948).

IANAL etc. of course. And of course, I guess this basic right receive
variable treatment in various countries.

Rodolphe



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Re: Reason for openmoko - bugsafe?

2007-07-15 Thread Fabien

Just to (hopefully) clarify: I've read, probably from some very unreliable
internet source, about a scheme where police make the carrier uploads an
"improved" firmware over the air, which turns the phone into a microphone,
even when not calling; it changes the shutdown function into a "pretend to
shutdown yet go on spying"; the only fix would then be to remove batteries.

If you're talking about this, let's say that this kind of scheme is much
harder to implement on an open-source phone, especially if you can run an
arbitrary set of monitoring applications on it. It's not theoretically
impossible, but probably completely impractical, even for a rogue state
agency.

If you're simply talking about eavesdropping phone communications, it's done
in the carrier's network, so your phone's brand is irrelevant. You can still
use an open-source encrypted VOIP system over GPRS, if your contacts are
willing to use a special program as well. Don't trust closed-source systems
such as skype: the chances that they've caved in and offered states a
possibility to eavesdrop are very close to 1.00.


Finally, you can't do anything against geolocation either: your carrier
needs to know where you are in order to route calls to you, so state
agencies can retrieve that information directly from the carrier, whatever
your phone is, as soon as it's on.
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Re: Reason for openmoko - bugsafe?

2007-07-15 Thread Lars Hallberg

David "Lefty" Schlesinger skrev:

Okay, not to put too fine a point on it, but this is possibly the
silliest reason ever for choosing one phone over another. Cell phone
communications are transmitted via radio, and are trivial to eavesdrop
on with the right equipment.


I think the issue is if the phone can bug *any* conversation You have 
when the phone is around, not only phone conversations. That is a valid 
concern. And I believe Neo can be safe if we make sure to use the mixer 
to turn of the mic/speaker connection to the gsm chip while there is no 
active phonecall... That is... unless ti have a mic on the gsm chip :-)


/LaH


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Re: Reason for openmoko - bugsafe?

2007-07-15 Thread Simon

and the phone being able to be remotely turned on without
the users knowledge, to act as a bug.


Would that be some sort of "manipulation of private property" ?

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Re: Reason for openmoko - bugsafe?

2007-07-15 Thread Ian Stirling

David "Lefty" Schlesinger wrote:

Okay, not to put too fine a point on it, but this is possibly the
silliest reason ever for choosing one phone over another. Cell phone
communications are transmitted via radio, and are trivial to eavesdrop
on with the right equipment. If you're actually worried about this
possibility (and I can't really imagine why anyone would be), then you
need not to use cell phones. In fact, you probably need to use nothing
but randomly-selected _pay_ phones.


There is a rather large difference between over-the-air security, which 
is debatable, and the phone being able to be remotely turned on without 
the users knowledge, to act as a bug.



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Re: Reason for openmoko - bugsafe?

2007-07-15 Thread David \"Lefty\" Schlesinger
Okay, not to put too fine a point on it, but this is possibly the
silliest reason ever for choosing one phone over another. Cell phone
communications are transmitted via radio, and are trivial to eavesdrop
on with the right equipment. If you're actually worried about this
possibility (and I can't really imagine why anyone would be), then you
need not to use cell phones. In fact, you probably need to use nothing
but randomly-selected _pay_ phones.

(And you're using _gmail_? Wow.)

Edwin Lock wrote:
> http://www.heise.de/newsticker/meldung/92713
>
> Hello Openmokoers!
> This is actually the reason that I got to read about the openmoko, I
> read an article about mobile phones being bug-able some time ago and
> googled for an open linux phone. And I found the openmoko ;)
> Just a quick question, what the police are doing, described in the
> article, is this only software or can that be done with only the gsm
> chip or so? My question is actually: Is the neo protected against this
> kind of bugging or not? It's not that I'm a terrorist or so but I just
> don't feel very safe otherwise ;)
> Greetings,
> Edwin Lock
>
> PS: Sorry, the article is in german..
>
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Re: Reason for openmoko - bugsafe?

2007-07-15 Thread Simon

http://www.heise.de/newsticker/meldung/92713


Sorry cant read deutsch (yet)...  =)

You realize the communication is going from your phone to a network to
another phone, right?
Usually the Mafia will put a bug locally in your house, your phone, etc...
The police will bug the network through which your conversation pass through.

The only way to prevent this (other than by law*) is to encrypt the
conversation, but then you need the transmitting phone and receiving
pone to be "encryption" capable.  Nothing the Neo can do... (but Neo
to Neo could do it!)  Also, if playing with encryption, i'd really do
it over TCP/IP rather than VOICE to avoid the interference.

*In my country (Canada), no one is allowed to bug me in any way unless
they have a warrant, and usually such a warrant is given for big time
criminals only.  If i would know i was bugged by the police for no
reason, i would sue, win, and retire!

Simon


This is actually the reason that I got to read about the openmoko, I
read an article about mobile phones being bug-able some time ago and
googled for an open linux phone. And I found the openmoko ;)
Just a quick question, what the police are doing, described in the
article, is this only software or can that be done with only the gsm
chip or so? My question is actually: Is the neo protected against this
kind of bugging or not? It's not that I'm a terrorist or so but I just
don't feel very safe otherwise ;)


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Re: Reason for openmoko - bugsafe?

2007-07-15 Thread Ian Stirling

Edwin Lock wrote:

http://www.heise.de/newsticker/meldung/92713

Hello Openmokoers!
This is actually the reason that I got to read about the openmoko, I
read an article about mobile phones being bug-able some time ago and
googled for an open linux phone. And I found the openmoko ;)
Just a quick question, what the police are doing, described in the
article, is this only software or can that be done with only the gsm
chip or so? My question is actually: Is the neo protected against this
kind of bugging or not? It's not that I'm a terrorist or so but I just
don't feel very safe otherwise ;)


I haven't read the above article.
I assume it's commenting on the possibility of vendor specific commands 
to turn the phone on as a bug remotely.
In principle it's possible that TI has hidden this functionality in the 
GSM modem.
However, the modem only has its only mic and speaker connections brought 
out to a software controllable mixer, so even if they were able to turn 
it on, nothing would happen - other than more power being used.


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