From: Arno Wagner <arno@wagner.name>
To: dm-crypt@saout.de
Subject: Re: [dm-crypt] zuluCrypt v3.0 released.
Date: Thu, 6 Oct 2011 16:27:12 +0200 [thread overview]
Message-ID: <20111006142712.GA18297@tansi.org> (raw)
In-Reply-To: <CAFnMBaTP2xv9bov0-fBhfX9UwED0i1q+FJ-WC0s-K2BpNTzF0Q@mail.gmail.com>
On Wed, Oct 05, 2011 at 09:27:26PM -0400, .. ink .. wrote:
[...]
> Thats where i got the key file length from. Since my program interfaces with
> cryptsetup interactively, i though creating a key file with the maximum size
> allowed will be more secured.
>
> Whats the optimum key file size with the above output?
> Whats the optimum key file size in general?
There is not really one, as longer is cheap and cannot be worse.
My rule of thumb is: Conservative Entropy estimation as basis
and then use 2x ... 10x that length.
> The above output seem to suggest 32 bytes files but whats the harm in using
> 512 bytes?(the maximum allowed)
Nothing at all. Go for 512 Bytes.
Arno
--
Arno Wagner, Dr. sc. techn., Dipl. Inform., CISSP -- Email: arno@wagner.name
GnuPG: ID: 1E25338F FP: 0C30 5782 9D93 F785 E79C 0296 797F 6B50 1E25 338F
----
Cuddly UI's are the manifestation of wishful thinking. -- Dylan Evans
If it's in the news, don't worry about it. The very definition of
"news" is "something that hardly ever happens." -- Bruce Schneier
prev parent reply other threads:[~2011-10-06 14:27 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-10-05 6:28 [dm-crypt] zuluCrypt v3.0 released .. ink ..
2011-10-05 15:07 ` Quentin Lefebvre
2011-10-05 15:39 ` Arno Wagner
2011-10-05 16:13 ` Milan Broz
2011-10-05 18:26 ` .. ink ..
2011-10-05 21:36 ` Arno Wagner
2011-10-05 18:18 ` .. ink ..
2011-10-06 1:27 ` .. ink ..
2011-10-06 8:36 ` Quentin Lefebvre
2011-10-06 14:27 ` Arno Wagner [this message]
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