Posted Jan 8, 2010 15:08 UTC (Fri) by anselm
In reply to: UMTS
Parent article: GSM encryption crack made public
This is well and good from an end-user's point of view, but of course the
last thing that mobile communications systems are supposed to do is
provide arbitrary thugs with communication methods that law enforcement
cannot intercept and decrypt (and free with the basic service at that).
The nice thing
about the present system, from the point of view of law enforcement, is
that communications are only encrypted on the air, but available for
interception in the clear from where they enter the backbone network.
So if the thugs want to communicate securely, they will need to provide
their own end-to-end encryption, without help from the network operators.
As far as the operators are concerned,
this isn't a problem as long as their protocols are secure enough
to prevent things that eat into their revenue, such as large-scale fraud
by users impersonating others for billing purposes.
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