[A51] Security of 3G and LTE

Rusty Dekema rdekema at gmail.com
Tue Aug 20 03:57:58 CEST 2013


>Always remember that the encryption is done
>from PHONE TO ANTENNA (and viceversa) only.
>Inside the carriers ALL voice, sms, and internet
>is fully UNENCRYPTED  :) and ALL your
>privacy could be vulnerable.

Yes, I should hope we all know this. "Lawful [or otherwise] Intercept" and
all...

Cheers,
Rusty


On Mon, Aug 19, 2013 at 9:29 PM, javier falbo <javier_falbo at hotmail.com>wrote:

> Hi,
>
> Seems there are few new updates of upcoming technology on the list.
>
> Nowadays, following 3G (kasumi encryption), in this time i will like you
> to present the latest LTE security algorythm which is called SNOW.
>
> SNOW 3G is a word-oriented stream cipher that generates a sequence of
> 32-bit words under the control of a 128-bit key and a 128-bit
> initialisation variable. These words can be used to mask the plaintext.
> First a key initialisation is performed, i.e. the cipher is clocked without
> producing output, see 4.1. Then with every clock tick it produces a 32-bit
> word of output.
>
> I will recommend security researchers to read this excellent explanation
> of the security of the future.
> As next year ALL new smartphones will be running LTE or LTE-Advance
> worldwide.
>
> PAPER URL: http://www.academia.edu/3224328/Security_of_3G_and_LTE
>
> Always remember that the encryption is done from PHONE TO ANTENNA (and
> viceversa) only. Inside the carriers ALL voice, sms, and internet is fully
> UNENCRYPTED  :) and ALL your privacy could be vulnerable.
>
> Regards,
> Javier
>
>
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