phc-discussions - Re: [PHC] A final cheat killer pass with smoke

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Message-ID: <CALCETrVwTG2=+ZPaCwNkgZyg-YCx4PHVpZ+5G0u84NOddg4o-w@mail.gmail.com>
Date: Wed, 8 Jan 2014 17:51:05 -0800
From: Andy Lutomirski <luto@...capital.net>
To: discussions <discussions@...sword-hashing.net>
Subject: Re: [PHC] A final cheat killer pass with smoke

On Wed, Jan 8, 2014 at 5:36 PM, Bill Cox <waywardgeek@...il.com> wrote:
> That's what the "smoke" is for.  If all an attacker has access to is cache
> miss timing, then simply randomizing the order of of memory access would
> make it virtually impossible to gain information from the timing.

How are you planning on doing the initial shuffling without revealing
the smoke value in cache timing?

--Andy