[privacy] RFID keyless ignition is now standard in the 2007 NissanAltima

[rms at computerbytesman.com]

I'm not sure about any of the technology in the key fob except that it is
some sort battery-powered RFID device.  A challenge/response system would
be a good idea to prevent the copying of keys.

However, my concern is a bad different.  Can people be tracked by a unique
number in their car key fobs?  Key fobs are interesting because they can
be read at a distance.

BTW, a 14443 device has a unique ID number that can be read by any reader
even though data in a device is pretty well protected.  14443 technology
is used in credit cards, passports, and transit cards.

Richard

>>>My question:  Can a unique ID number be read on the sly from a Nissan
> key fob by someone who has the right kind of reader unit?
>
> Are you sure it's a simple unique code and not some sort of challenge
> response?
>
> Larry Seltzer
> eWEEK.com Security Center Editor
> http://security.eweek.com/
> http://blog.eweek.com/blogs/larry%5Fseltzer/
> Contributing Editor, PC Magazine
> larryseltzer at ziffdavis.com
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