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

[Ben Laurie <ben@algroup.co.uk>]

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"?

Cheers,

Ben.

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