phc-discussions - Re: [PHC] Why protect against side channel attacks

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Date: Thu, 25 Jun 2015 14:59:23 +0200 (CEST)
From: Stefan.Lucks@...-weimar.de
To: "discussions@...sword-hashing.net" <discussions@...sword-hashing.net>
Subject: Re: [PHC] Why protect against side channel attacks

On Thu, 25 Jun 2015, Peter Maxwell wrote:

> You get the idea though: the salt must be secret to avoid an attacker being
> able to exploit the low dimension of the password space.  Are we assuming
> the salt as secret?

If we would assume the salt to be secret, we should not call it a "salt". 
To avoid confusion, it would then deserve to be called a "key".

Stefan

--------  I  love  the  taste  of  Cryptanalysis  in  the morning!  --------
www.uni-weimar.de/de/medien/professuren/mediensicherheit/people/stefan-lucks
----Stefan.Lucks (at) uni-weimar.de, Bauhaus-Universität Weimar, Germany----