ArcotSign (was Re: Does security depend on hardware?)

[Bruce Schneier]

At 03:24 PM 9/22/98 +0100, Ben Laurie wrote:
>Bruce Schneier wrote:
>> >(I suppose the 'remembered secret' has less bits then the 'password'
>> >that is to be retrieved from the pool of millions with the
>> >'mathematical magic'). So the advantages of the scheme appear to
>> >remain unclear as a matter of principle.
>> 
>> The advantages are that offline password guessing is impossible.
>
>The 'I' word always makes me nervous - do you really mean that, or do
>you just mean "very difficult"?

Intractable, actually.

Bruce
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