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Re: Australian "calculatorcard"
> sounds like the card i use for remote dialup to certain non-public
> systems i use at work. it has a six digit number on the front that
> changes every 60 seconds.
Do these card systems use a window to handle clock-slip?
I'd think you could have the server safely accept # N, N-60 sec, and
N+60 seconds; and adjust the server's idea of your card's clock speed
from that.
What new risk would that create?
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