VIA padlock performance

Michael Reifenberger mike at
Wed Jul 19 14:38:22 UTC 2006

On Wed, 19 Jul 2006, Oliver Fromme wrote:
> You will also need "cryptodev" in addition to "crypto".
> "crypto" manages only in-kernel access to the cryptographic
> facilities (including hardware acceleration through the
> padlock driver), which is used by FAST_IPSEC, for example.
> "cryptodev" will enable access by userland applications
> (e.g. scp) and libraries (OpenSSL) through /dev/crypto.

With OpenSSL you have two choices:
engine cryptodev : uses /dev/crypto
engine padlock : uses the xcrypt commands directly

engine padlock should be the fastest of course.

Michael Reifenberger, Business Development Manager SAP-Basis, Plaut Consulting
Comp: Michael.Reifenberger at | Priv: Michael at           |

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