On 29.12.2012 22:40, Milan Broz wrote:
>
> EXAMPLE:
> # cryptsetup benchmark
> # Tests are approximate using memory only (no storage IO).
> PBKDF2-sha1 111077 iterations per second
> PBKDF2-sha256 53718 iterations per second
> PBKDF2-sha512 18832 iterations per second
> PBKDF2-ripemd160 89775 iterations per second
> PBKDF2-whirlpool 23918 iterations per second
> # Algorithm | Key | Encryption | Decryption
> aes-cbc 128b 212.0 MiB/s 428.0 MiB/s
> serpent-cbc 128b 23.1 MiB/s 66.0 MiB/s
> twofish-cbc 128b 46.1 MiB/s 50.5 MiB/s
> aes-cbc 256b 163.0 MiB/s 350.0 MiB/s
> serpent-cbc 256b 23.1 MiB/s 66.0 MiB/s
> twofish-cbc 256b 47.0 MiB/s 50.0 MiB/s
> aes-xts 256b 190.0 MiB/s 190.0 MiB/s
> serpent-xts 256b 58.4 MiB/s 58.0 MiB/s
> twofish-xts 256b 49.0 MiB/s 49.5 MiB/s
> aes-xts 512b 175.0 MiB/s 175.0 MiB/s
> serpent-xts 512b 59.0 MiB/s 58.0 MiB/s
> twofish-xts 512b 48.5 MiB/s 49.5 MiB/s
>
> (Note for example AES-NI decryption optimization effect in example above.)
Are you sure (about AES-NI)?
I get slightly higher values:
Tested with a self-compiled vanilla 3.7.1 kernel.
Core i7 3770 (Ivy Bridge), 4 cores, HT, no overclocking:
PBKDF2-sha1 393609 iterations per second
PBKDF2-sha256 257003 iterations per second
PBKDF2-sha512 91915 iterations per second
PBKDF2-ripemd160 386073 iterations per second
PBKDF2-whirlpool 154748 iterations per second
# Algorithm | Key | Encryption | Decryption
aes-cbc 128b 671.0 MiB/s 2483.0 MiB/s
serpent-cbc 128b 98.3 MiB/s 320.4 MiB/s
twofish-cbc 128b 205.0 MiB/s 377.6 MiB/s
aes-cbc 256b 492.0 MiB/s 1816.0 MiB/s
serpent-cbc 256b 98.3 MiB/s 319.4 MiB/s
twofish-cbc 256b 204.4 MiB/s 375.6 MiB/s
aes-xts 256b 1237.0 MiB/s 1252.0 MiB/s
serpent-xts 256b 306.7 MiB/s 291.4 MiB/s
twofish-xts 256b 336.7 MiB/s 338.3 MiB/s
aes-xts 512b 1065.0 MiB/s 1076.0 MiB/s
serpent-xts 512b 309.4 MiB/s 293.0 MiB/s
twofish-xts 512b 336.7 MiB/s 337.7 MiB/s
Even my 2.5 years old low-spec first-generation (for AES-NI) machine
gets slightly better results:
Core i5 650 (Westmere/Clarkdale), 2 cores, no HT, no overlocking:
PBKDF2-sha1 299251 iterations per second
PBKDF2-sha256 175229 iterations per second
PBKDF2-sha512 58409 iterations per second
PBKDF2-ripemd160 283705 iterations per second
PBKDF2-whirlpool 94568 iterations per second
# Algorithm | Key | Encryption | Decryption
aes-cbc 128b 711.3 MiB/s 1749.0 MiB/s
serpent-cbc 128b 67.6 MiB/s 282.7 MiB/s
twofish-cbc 128b 165.2 MiB/s 227.8 MiB/s
aes-cbc 256b 540.0 MiB/s 1340.0 MiB/s
serpent-cbc 256b 68.0 MiB/s 283.4 MiB/s
twofish-cbc 256b 165.8 MiB/s 227.8 MiB/s
aes-xts 256b 957.0 MiB/s 952.0 MiB/s
serpent-xts 256b 243.8 MiB/s 258.0 MiB/s
twofish-xts 256b 207.8 MiB/s 207.2 MiB/s
aes-xts 512b 832.2 MiB/s 835.0 MiB/s
serpent-xts 512b 243.3 MiB/s 257.2 MiB/s
twofish-xts 512b 208.2 MiB/s 206.8 MiB/s
--
Matthias
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