[2495] in cryptography@c2.net mail archive
Re: TIME Magazine on GSM cell phone crack
daemon@ATHENA.MIT.EDU (Marc Briceno)
Mon Apr 13 21:19:43 1998
Date: Tue, 14 Apr 1998 11:03:47 +1000 (EST)
From: Marc Briceno <marc@cryptsoft.com>
Reply-To: marc@cryptsoft.com
To: Steve Bellovin <smb@research.att.com>
cc: Marc Horowitz <marc@cygnus.com>, Declan McCullagh <declan@well.com>,
cryptography@c2.net
In-Reply-To: <199804140053.UAA24126@postal.research.att.com>
On Mon, 13 Apr 1998, Steve Bellovin wrote:
> The attack as carried out requires physical access to the SIM. It's
> an open question if an active attack -- that is, with a radio transmitter
> impersonating a base station -- would succeed. A critical question is
> the rate at which challenges can be sent -- given the timing, it's
> probably not practical except by concerted attack.
Since I am not a radio engineer, I would love to hear the opinion of
someone who is. How fast could a rogue base station collect challenge
resonse pairs?
Thanks,
--Marc
