Date: Sun, 24 May 2015 23:15:17 -0500 From: Kevin Day <toasty@dragondata.com> To: John-Mark Gurney <jmg@funkthat.com> Cc: freebsd-security@freebsd.org Subject: Re: Atom C2758 - loading aesni(4) reduces performance Message-ID: <687C0C52-08FA-4234-9A64-527163EED3C8@dragondata.com> In-Reply-To: <20150524224454.GX37063@funkthat.com> References: <6BA42026-C785-40B5-B9CF-DD4280693C41@dragondata.com> <20150524224454.GX37063@funkthat.com>
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> On May 24, 2015, at 5:44 PM, John-Mark Gurney <jmg@funkthat.com> = wrote: >=20 > If you have cryptodev loaded, this is to be expected as OpenSSL will > use /dev/crypto instead of the AES-NI instructions.. Just don't load > cryptodev and you'll be fine.. >=20 So to make sure I=E2=80=99m understanding=E2=80=A6 openssl has native = AES-NI support, and it also can use /dev/crypto. It=E2=80=99s preferring = /dev/crypto, but /dev/crypto has much higher overhead? =E2=80=94 Kevin
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