"Robert J. Hansen" <[EMAIL PROTECTED]> writes:

>> What prevents the keylogger in your first example to snarf the PIN  
>> code
>> for the OpenPGP card and send decryption requests to the OpenPGP card,
>> using the PIN code, in the background, possibly remotely controlled  
>> over
>> the network?
>
> There exist cryptographic smart cards you can actually be safe  
> against this kind of attack with.  They're pretty cool.

How do they work?

I'd expect them to have a button, to authorize signing or decryption,
but without a display, you still have no idea what you really sign or
decrypt.

/Simon

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