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Date:      Tue, 19 Jun 2012 18:40:19 +0000
From:      Alexey Dokuchaev <danfe@FreeBSD.org>
To:        Dag-Erling Sm??rgrav <des@des.no>
Cc:        svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org, Chris Rees <utisoft@gmail.com>
Subject:   Re: svn commit: r237269 - in head: etc lib/libutil
Message-ID:  <20120619184019.GA4692@FreeBSD.org>
In-Reply-To: <86d34v40nr.fsf@ds4.des.no>
References:  <201206191446.q5JEkJTY050836@svn.freebsd.org> <20120619161320.GA54109@FreeBSD.org> <CADLo838XD7uf798uaQhx6zAEP86QbqcKByZrn%2B5qn%2BTUyztT-g@mail.gmail.com> <20120619171726.GA72257@FreeBSD.org> <86d34v40nr.fsf@ds4.des.no>

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On Tue, Jun 19, 2012 at 08:27:52PM +0200, Dag-Erling Sm??rgrav wrote:
> Alexey Dokuchaev <danfe@FreeBSD.org> writes:
> > Maybe I don't.  I just want to know if I should switch from Blowfish to
> > SHA512.  It seems that the former is quite popular judging from discussion
> > link given above.  It also seems that des@' rationale for the switch boils
> > down to "I vastly prefer sha512 to blf, as that is what the rest of the
> > world uses."  If there's nothing wrong with Blowfish, I guess I'll stick to
> > it as I prefer compatibility among *BSD to some weird Unix clones.  :-)
> 
> My understanding is that blf and sha512 are approximately equally hard
> (or equally easy, if you like) to brute-force with a CPU, but sha512 is
> supposedly less GPU-friendly.  That plus compatibility - but mostly
> compatibility, to be honest - tipped the scales in favor of sha512.

This CPU vs. GPU particularity is something I wanted to know about,
actually.  Thanks for this piece of knowledge Dag-Erling, and sorry for the
noise.

./danfe



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