Re: REQUIRED CIPHERS TEST takes 20 minutes each for aes-related ciphers

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christian@xxxxxxxx:
> Hello,
> 
> I just compiled cryptsetup-1.6.2 on a machine with AES-NI. During the
> compilation there were some tests. The lines of the output when the
> issue occurred were:
> 
> REQUIRED CIPHERS TEST
> #  Algorithm | Key |  Encryption |  Decryption
>      aes-cbc   256b   975.0 MiB/s  2037065.0 MiB/s
>      aes-lrw   384b  103909.0 MiB/s  158691.0 MiB/s
>      aes-xts   512b  1731833.0 MiB/s  1681613.0 MiB/s
>  twofish-cbc   256b   241.3 MiB/s   499.5 MiB/s
>  twofish-lrw   384b   448.6 MiB/s   453.0 MiB/s
>  twofish-xts   512b   497.0 MiB/s   496.0 MiB/s
>  serpent-cbc   256b   108.5 MiB/s   351.3 MiB/s
>  serpent-lrw   384b   333.7 MiB/s   333.0 MiB/s
>  serpent-xts   512b   363.3 MiB/s   341.0 MiB/s
> blowfish-cbc   256b   129.6 MiB/s   500.5 MiB/s
> des3_ede-cbc   192b    34.3 MiB/s    35.4 MiB/s
>    cast5-cbc   128b   121.9 MiB/s   474.0 MiB/s

when these tests ran did all cores process or just 1 single core ?

do you know if cryptsetup can take advantage of multi threading on multi
core processors ?

> 
> The tests for aes-cbc, aes-lrw and aes-xts took very long (nearly one
> hour for all three combined) on a Intel Core i5-4670K. All other tests
> were finished in a few seconds.
> 
> Is this wanted behavior?
> 
> Best regards,
> Christian Weinz
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> dm-crypt@xxxxxxxx
> http://www.saout.de/mailman/listinfo/dm-crypt
> 
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