Contactless bank cards

Roland Perry lists at
Mon Nov 15 17:49:53 GMT 2010

In article <m1q2e69m38nap333s3rmf9db9lbon25ors at>, Marcus 
Williamson <marcus at> writes
>What's the technology behind it? A type of RFID?


>If so, what's to stop someone reading the card without your son knowing 
>and/or making small transactions without his knowledge?

Surely you'd have to set up some sort of "man in the middle" between the 
card and one of the Paywave terminals[1]. Wouldn't that be a bit tricky 
in real time?

[1] Either a hacked one, or a normal one with some sort of "RFID 
simulator" held on the outside.
Roland Perry

More information about the ukcrypto mailing list