If you're speaking strictly of smartcards (in the form of cards) you're probably right, but I meant all devices with cryptoprocessors, especially usb tokens. F

If you're speaking strictly of smartcards (in the form of cards) you're probably right, but I meant all devices with cryptoprocessors, especially usb tokens. For what I can remember when I looked into them, a few months ago, keys/data storage, signing and decrytpion where at least as much advertised as authentication. And in most cases external confirmation is useful/strongly advised for authentication as well. Case in point, I personally needed a token for code signing, it's almost impossible to find one with a pinpad. It's easier if you settle on a smartcard + smartcard reader (which I don't think many developers do).