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

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Message-ID: <20080312092226.GA32150@Chamillionaire.breakpoint.cc>
Date:	Wed, 12 Mar 2008 10:22:26 +0100
From:	Sebastian Siewior <linux-crypto@...breakpoint.cc>
To:	"Huang, Ying" <ying.huang@...el.com>
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

* 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?

Sebastian
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