[103265] in Cypherpunks
Re: ArcotSign (was Re: Does security depend on hardware?)
daemon@ATHENA.MIT.EDU (Bruce Schneier)
Tue Sep 22 13:26:22 1998
Date: Tue, 22 Sep 1998 11:42:34 -0500
To: Ben Laurie <ben@algroup.co.uk>
From: Bruce Schneier <schneier@counterpane.com>
Cc: Mok-Kong Shen <mok-kong.shen@stud.uni-muenchen.de>, cryptography@c2.net,
cypherpunks@algebra.com, coderpunks@toad.com
In-Reply-To: <3607B318.BC911171@algroup.co.uk>
Reply-To: Bruce Schneier <schneier@counterpane.com>
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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