[dm-crypt] hardware acceleration for dm-crypt or similar harddisk encryption software ?

T Tilak tangudu.tilak at gmail.com
Thu Nov 3 14:07:03 CET 2011


Markus Schuster <ma.schuster at ...> writes:

> 
> Ronen Shitrit schrieb:
> > There is a patch for using the dm-crypt with acrypto or OCF.
> > Both gives support for different HW accelerations.
> > Check the attached dm-crypt patch for OCF for kernel 2.6.12.
> 
> This is _very_ interesting! From a first look OCF seems to be designed
> for smartcards but acrypto seems to be the right pointer! It has support
> for the hifn 7955 crypto accelerator chip which is assembled on the
> Soekris VPN1401 PCI card. They talk about > 30 MByte/s (250 Mbit/s)
> throughput. And this without overloading the CPU...
> Has anyone some praxis experience with acrypto and dm-crypt? Stability,
> data corruption (:)) and this sort of? There must be a cause it is not
> in vanilla kernel.
> 
> Regards,
> Markus
> 
Hi Ronen and Markus,


I see that there are patches of dm-crypt and IPsec available for OCF(OpenBsd
Crypto Graphic framework) in Linux

But I didn't find the patches in the google.

Could anyone of you please point the links for patches of dm-crypt and IPsec for
OCF?



Thanks in advance
Tilak





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