On ma, 2008-11-10 at 11:42 +0100, Pander wrote:
> One might consider alternative (weaker) encryption of SMS which do not
> result increased number of characters compared to the original text.
Does not follow that it would be weak. You just need to do key setup
(with gpg perhaps) beforehand, as rhn
I think a client/server setup would be better than this. You could have
a generic messaging program that attempts to contact the person using
normal TCP/IP and fall back to SMS if that doesn't work.
With this you can have proper public key encryption and message signing,
and there is a guarantee o
One might consider alternative (weaker) encryption of SMS which do not
result increased number of characters compared to the original text.
Also for texting on openmoko/android/qtextended an SMS module could be
build. Huffman encoding could be used to increase the number characters
per SMS and hav
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Od: Vinzenz Hersche <[EMAIL PROTECTED]>
> http://wiki.thc.org/gsm#head-1d4386f26b54c1890bdb6b181b6293c3b9b5af62
> i read a article about this group. they could crack gsm-connection's
> in 2 hours without some cleartext. another issue in my eyes is the
> possibility o
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rhn schrieb:
> Od: Timo Juhani Lindfors <[EMAIL PROTECTED]>
>> rhn <[EMAIL PROTECTED]> writes:
>>> About calls - I remember I saw a documentary in which the calls
>>> interfered with TV sets, which allowed to hear the
>>> conversations. That would imp
Od: Timo Juhani Lindfors <[EMAIL PROTECTED]>
> rhn <[EMAIL PROTECTED]> writes:
> > About calls - I remember I saw a documentary in which the calls
> > interfered with TV sets, which allowed to hear the
> > conversations. That would imply unencrypted.
>
> That sounds quite unlikely, even if you had
rhn <[EMAIL PROTECTED]> writes:
> If they are encrypted, they probably are encrypted on the way to the
> operator only, so the operator can probably see the content.
Of course.
> About calls - I remember I saw a documentary in which the calls
> interfered with TV sets, which allowed to hear the
>
> Vinzenz Hersche <[EMAIL PROTECTED]> writes:
> > because they are uncrypt. and the gsm-connection isn't secure, some
>
> I thought they are encrypted just like calls. I asked this on
> #gnuradio too:
>
> 18:36 < lindi-> hi, i looked at the openbts SMS stack to figure out if
> SMS messages are e
Vinzenz Hersche <[EMAIL PROTECTED]> writes:
> because they are uncrypt. and the gsm-connection isn't secure, some
I thought they are encrypted just like calls. I asked this on
#gnuradio too:
18:36 < lindi-> hi, i looked at the openbts SMS stack to figure out if
SMS messages are encrypted or not b
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arne anka schrieb:
>> sms/mms are a great securityhole now. with the fr,
>
>
> how's that?
>
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> sms/mms are a great securityhole now. with the fr,
how's that?
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Vinzenz Hersche <[EMAIL PROTECTED]> writes:
> wich is in om 2008. sms/mms are a great securityhole now. with the fr,
echo a > a
gpg --encrypt a
already produces a file with 337 bytes. SMS only does 160 characters
(I have forgotten how many octets it is). So you'd probably want to
use symmetric ci
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