Florian Weimer wrote: > * David Alexander Molnar: > >> Actually, smart cards are here today. My local movie theatre in Berkeley, >> California is participating in a trial for "MasterCard PayPass." There is >> a little antenna at the window; apparently you can just wave your card at >> the antena to pay for tickets. I haven't observed anyone using it in >> person, but the infrastructure is there right now. > > If you are interested in useful RFID applications, just visit > Singapore. 8-) They use RFID tickets on the subway (MRT) and on > busses, and you don't have to worry about buying the right ticket > because the system charges you the correct amount. However, there's > one thing that makes me nervous: if you know the card number (which is > printed on the cards), you can go to a web page, enter it, and obtain > the last 20 rides during the last 3 days, without any further > authentication.
London Underground have a contactless system too, but it isn't used much. As I remember it had a similar problem, but they may have changed that. You take out your wallet with the card in and wave it over a palm-sized yellow blob on the turnstile, but you don't have to open your wallet to withdraw a token. Muggers and pickpockets keep a close eye out to see how fat your wallet is and where you keep it ... -- Peter Fairbrother --------------------------------------------------------------------- The Cryptography Mailing List Unsubscribe by sending "unsubscribe cryptography" to [EMAIL PROTECTED]