sslug-teknik team mailing list archive
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Mailing list archive
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Message #61629
Re: Krypteret disk uden brug af kerne-source?
Jon Bendtsen wrote:
[klip]
> Desuden bruger PPDD blowfish, og loop-aes AES, og i følge en
> mail på en anden liste, så var blowfish hurtigere end AES.
> (poster den her senere når jeg kommer hjem)
Okay, den var hurtigere, meeeen det er godt nok ikke meget.
On Wed, Mar 12, 2003 at 06:19:02PM -0500, Greg Freemyer wrote:
> Thanks.
>
> I also found a couple of good articles.
>
> One on theory http://www.securityfocus.com/infocus/1673
>
> And one with good bonnie++ results: (This took an hour of googling to find)
>
> http://vware.hypermart.net/howto_filesystem_encryption.htm
>
> From the last one:
>
> Based on a Pentium 3 800 MHz - 60 GB IDE drive -- UDMA (66)
>
> Crypto Write speed % Loss Read speed % Loss
> Unencrypted 24619 kB/s -- 25273 kB/s --
> AES-128bit 20880 kB/s 15.2% 8054 kB/s 68.1%
> AES-256bit 17699 kB/s 28.1% 8031 kB/s 68.2%
> 3DES-64bit 4846 kB/s 80.3% 3334 kB/s 86.8%
> 3DES-192bit 4869 kB/s 80.2% 3334 kB/s 86.8%
> BLOWFISH-128bit 19769 kB/s 19.7% 8029 kB/s 68.2%
> BLOWFISH-256bit 19755 kB/s 19.8% 8047 kB/s 68.2%
>
> That agrees with your slowdown estimates.
>
> Greg
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