linux-kernel - Re: [PATCH -mm crypto] AES: remove crypto_fl_tab and replace crypto_il_tab with isb

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Message-Id: <1205487058.5989.0.camel@caritas-dev.intel.com>
Date:	Fri, 14 Mar 2008 17:30:58 +0800
From:	"Huang, Ying" <ying.huang@...el.com>
To:	Sebastian Siewior <linux-crypto@...breakpoint.cc>
Cc:	Herbert Xu <herbert@...dor.apana.org.au>,
	"Adam J. Richter" <adam@...drasil.com>,
	Alexander Kjeldaas <astor@...t.no>,
	linux-kernel@...r.kernel.org, linux-crypto@...r.kernel.org
Subject: Re: [PATCH -mm crypto] AES: remove crypto_fl_tab and replace
	crypto_il_tab with isb_tab

On Wed, 2008-03-12 at 10:22 +0100, Sebastian Siewior wrote:
> * Huang, Ying | 2008-03-11 12:42:56 [+0800]:
> 
> >Remove crypto_fl_tab from aes implementation. Because mix_col(1,n) = n,
> >all information in cryto_fl_tab is in crypto_ft_tab too.
> >crypto_il_tab is replaced by isb_tab, the byte shift is done
> >during decryption.
> nice.
> 
> >This patch is only for generic C implementation. If this kind of idea
> >is desired, I will implement the ASM version for x86.
> Could you please run 
> | modprobe tcrypt mode=200
> with and without the patch?

The files attached is the result.

Best Regards,
Huang Ying

View attachment "tcrypt.without_patch" of type "text/plain" (9888 bytes)

View attachment "tcrypt.with_patch" of type "text/plain" (9888 bytes)