Date: Wed, 14 Jan 2015 21:44:41 +0300 From: rozhuk.im@gmail.com To: "'Alaksiej'" <ac@belngo.info> Cc: 'Gleb Kurtsou' <gleb@freebsd.org>, 'freebsd-geom' <freebsd-geom@freebsd.org>, 'Adam Nowacki' <nowakpl@platinum.linux.pl>, freebsd-hackers@freebsd.org Subject: RE: ChaCha8/12/20 and GEOM ELI tests Message-ID: <54b6b91b.2aa3700a.3a6c.47b5@mx.google.com> In-Reply-To: <CAHsZcQH1BTz0Yn%2BxsRFjBxizOLaR=40Rh%2B_3TEmt6Q2mALTOog@mail.gmail.com> References: <54b33bfa.e31b980a.3e5d.ffffc823@mx.google.com> <54B4AE55.9090205@platinum.linux.pl> <54b5d299.4914980a.61cd.43a6@mx.google.com> <20150114041708.GA3189@reks> <54b601ec.0515980a.0c9c.47e1@mx.google.com> <20150114082019.GA3669@reks> <54b6ae4c.0905990a.6c9c.642e@mx.google.com> <CAHsZcQH1BTz0Yn%2BxsRFjBxizOLaR=40Rh%2B_3TEmt6Q2mALTOog@mail.gmail.com>
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> Excuse me, but if you think your physical medium is either 100% > inaccessible to an adversary, or simply not worth a real attack, and > the speed is the concern, then why do you want to use any encryption = at > all? 100% is not available yet introduced GELI keys / mounted drive. AES-XTS is good but too slow. ChaCha is already enough to cryptography was not a bottleneck. The case when the disks - local (SATA/SAS/IDE/USB), keys entered / disk = is mounted and the attacker has access I do not see because AES-XTS does = not help.
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