full-disclosure - distributed cracking countermeasures

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Message-ID: <242a0a8f0610121140q7610ad5bqdae5613a2360ff21@mail.gmail.com>
Date: Thu, 12 Oct 2006 14:40:54 -0400
From: "Brian Eaton" <eaton.lists@...il.com>
To: full-disclosure <full-disclosure@...ts.grok.org.uk>
Subject: distributed cracking countermeasures

I have a vague memory of somebody designing a cryptographic system or
puzzle that was supposed to be resistant to distributed cracking.  The
system was supposed to be intrinsically non-parallelizable.  You could
throw a bigger CPU at the problem, but more CPUs wouldn't help.

Does this ring any bells?

Regards,
Brian

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