Gentoo Archives: gentoo-user

From: Ralf <ralf+gentoo@×××××××××××××××××××.de>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] cryptsetup wont use aes-xts:plain64
Date: Wed, 22 Apr 2015 07:46:50
Message-Id: 553751E3.1000000@ramses-pyramidenbau.de
In Reply to: Re: [gentoo-user] cryptsetup wont use aes-xts:plain64 by R0b0t1
1 Just try `cryptsetup benchmark`
2
3 Cheers
4
5 On 04/22/2015 06:09 AM, R0b0t1 wrote:
6 > AES cipher algo (AES-NI) is the fastest if you have the necessary
7 > hardware. Twofish cipher algo (x86_64, 3-way parallel) is a close
8 > second, but will slow access down slightly. Serpent is also usably
9 > fast.
10 >
11 > CONFIG_CRYPTO_AES_NI_INTEL = ~200mb/s (limited by disk in my case)
12 > CONFIG_CRYPTO_TWOFISH_X86_64_3WAY = ~130mb/s
13 >
14 > `cryptsetup --cipher {twofish,aes}-xts-plain64 --key-size 512 --hash
15 > sha512 --iter-time 5000`
16 >