Date: Sat, 13 Sep 2014 09:35:19 +0200 (CEST) From: Wojciech Puchar <wojtek@puchar.net> To: Jim Thompson <jim@netgate.com> Cc: John-Mark Gurney <jmg@funkthat.com>, "hackers@freebsd.org" <hackers@freebsd.org> Subject: Re: openssl with aes-in or padlock Message-ID: <alpine.BSF.2.00.1409130935020.18147@wojtek.dom> In-Reply-To: <62E8AD7E-346F-4F77-9628-6D5121D7AD6D@netgate.com> References: <alpine.BSF.2.00.1409111858470.1185@wojtek.dom> <20140911180258.GN82175@funkthat.com> <alpine.BSF.2.00.1409112332160.2140@wojtek.dom> <62E8AD7E-346F-4F77-9628-6D5121D7AD6D@netgate.com>
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will it be available on FreeBSD 10 ? On Thu, 11 Sep 2014, Jim Thompson wrote: > We just fixed IPSEC to use AES-GCM (with support for AES-NI on hardware that supports it.) > > OpenSSL / OpenVPN is probably next. > > -- Jim > > On Sep 11, 2014, at 14:33, Wojciech Puchar <wojtek@puchar.net> wrote: > >>>> #openssl speed -evp aes-256-cbc >>> >>> First off, you won't get much speed up w/ CBC encrypt... Try testing >>> using aes-256-ctr instead... CBC can't process multiple blocks in >>> parallel like CTR can... if you measure the cbc _decrypt_ speed, you >>> should see a big improvement as CBC decrypt can be parallelized... >>> >>>> in the same time dd from geli encrypted ramdisk to /dev/null is 66MB/s >>> >>> geli uses a different framework for it's crypto processing.. for geli, >>> make sure you have the aesni kernel module loaded before you attach >>> to a geli disk... You should get kernel messages like the following: >>> GEOM_ELI: Device gpt/werner.eli created. >>> GEOM_ELI: Encryption: AES-XTS 256 >>> GEOM_ELI: Crypto: hardware >> >> yes i have this. contrary to what you say - both AES-XTC and AES-CBC gets MUCH faster with AES-NI. >> >>> notice the Crypto: hardware line.. Also, make sure that your geli >>> sector size is 4k instead of 512... This reduces the loop overhead, >> >> as i already said - geli works fast and make use of AES-NI or padlock >> >> openssl does not >> _______________________________________________ >> freebsd-hackers@freebsd.org mailing list >> http://lists.freebsd.org/mailman/listinfo/freebsd-hackers >> To unsubscribe, send any mail to "freebsd-hackers-unsubscribe@freebsd.org" > >
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