phc-discussions - Re: An argument for Catena-2

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Message-ID: <CAOLP8p7snXUK8JuUpzCo6R2HceP8U2daizMsFAUatgej0mgOMw@mail.gmail.com>
Date: Tue, 28 Jan 2014 07:49:05 -0500
From: Bill Cox <waywardgeek@...il.com>
To: discussions@...sword-hashing.net
Subject: Re: An argument for Catena-2

After all the benchmarking, I take back my argument for Catena-2.  I
think Catena-2 may not be strong enough.  There may even be an
argument for Catena-4, but the one thing I feel confident about is
that Catena needs a sub-Catena graph embedded in the first row.  This
dramatically improves it's defense against TMTO attacks.

Bill