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1998-09-21 - Re: ArcotSign (was Re: Does security depend on hardware?)

Header Data

From: Bruce Schneier <schneier@counterpane.com>
To: bram <bram@gawth.com>
Message Hash: 5370169029303e22bb07e163c8c7c4ca0735ae08601c205e6bf1b07bb03290fb
Message ID: <199809212125.QAA25140@mixer.visi.com>
Reply To: <199809211030.FAA05159@mixer.visi.com>
UTC Datetime: 1998-09-21 08:30:36 UTC
Raw Date: Mon, 21 Sep 1998 16:30:36 +0800

Raw message

From: Bruce Schneier <schneier@counterpane.com>
Date: Mon, 21 Sep 1998 16:30:36 +0800
To: bram <bram@gawth.com>
Subject: Re: ArcotSign (was Re: Does security depend on hardware?)
In-Reply-To: <199809211030.FAA05159@mixer.visi.com>
Message-ID: <199809212125.QAA25140@mixer.visi.com>
MIME-Version: 1.0
Content-Type: text/plain



At 01:32 PM 9/21/98 -0700, bram wrote:
>On Mon, 21 Sep 1998, Bruce Schneier wrote:
>
>> Here's the basic idea:  Strew a million passwords on your hard drive, and
>> make it impossible to verify which is the correct one offline.  So, someone
>> who steals the password file off the client cannot run a cracking tool
>> against the file.
>
>Is this really patentable? It sounds a *lot* like the original public-key
>algorithm (the one involving lots of little 'puzzles')

I am not an attorney, so I cannot advise on patentability.  But note that
I simplified the explanation A LOT in the above paragraph.

Bruce
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