On Tue, 2009-12-29 at 04:07 -0500, Gregory Maxwell wrote: > Has anyone written much on intercepting text messages? I would expect > them to be a more interesting demonstration target due to the smaller > amount of data that needs to be captured and stored…
The other interesting question in relation to SMS, is whether they are encrypted at all. It is possible that GSMAs dirty little secret is that SMS are / (have been) unencrypted (for a long time), and possibly still are so in some networks. http://media.wiley.com/product_data/excerpt/38/04700653/0470065338.pdf Middle of page 44. "Contrary to the voice data, controlling information is never ciphered in GSM. In addition, the ciphering is limited to the air interface. It is needless to say that short messages are transferred over the signaling network and therefore are never ciphered." Frank. _______________________________________________ A51 mailing list [email protected] http://lists.lists.reflextor.com/cgi-bin/mailman/listinfo/a51
