[CentOS] Re: Centos 4.x and embeded x86 (wrap, pcengines)

Wed Dec 6 15:01:28 UTC 2006
Daniel de Kok <daniel-lists at taickim.com>

On Wed, 06 Dec 2006 14:15:49 +0100
David Hrbác( <hrbac.conf at seznam.cz> wrote:
> Padlock support is not backported into Centos, nor upstream.

Thanks for the heads-up!

> 2.6.11 kernel it has been accepted into the source tree (only AES), so
> we can expect it in RHEL/Centos5?!? For SHA1 and SHA256 every kernel
> must be patched.

$ rpm2cpio kernel-2.6.18-1.2747.el5.i686.rpm | cpio -t | grep 'padlock'
./lib/modules/2.6.18-1.2747.el5/kernel/drivers/crypto/padlock.ko

Looking at the symbols this seems to implement AES offloading.

> Interesting reading http://www.logix.cz/michal/doc/article.xp/padlock-en

Very interesting indeed.

-- Daniel