[geeks] Interesting: hardware security token for PayPal

[Dan Duncan]

On 3/31/07, Charles Shannon Hendrix <shannon at widomaker.com> wrote:
> It seems to me like it would be fairly cheap to build a device like that
> which gathered entropy from its environment.
>
> No two units are likely to have the same hash of temperature, vibration,
> drops, torque (human holding it), etc.

How would you then use it to log in if the other end didn't know what
number you'd be presenting?




-- 
Dan Duncan