linux-kernel - Re: [PATCH] crypto: Add AES-NI accelerated CTR mode

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Message-ID: <20100310102916.GA23398@gondor.apana.org.au>
Date:	Wed, 10 Mar 2010 18:29:16 +0800
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	Huang Ying <ying.huang@...el.com>
Cc:	linux-kernel@...r.kernel.org, linux-crypto@...r.kernel.org
Subject: Re: [PATCH] crypto: Add AES-NI accelerated CTR mode

On Mon, Mar 01, 2010 at 02:14:36PM +0800, Huang Ying wrote:
> To take advantage of the hardware pipeline implementation of AES-NI
> instructions. CTR mode cryption is implemented in ASM to schedule
> multiple AES-NI instructions one after another. This way, some latency
> of AES-NI instruction can be eliminated.
> 
> Performance testing based on dm-crypt should 50% reduction of
> ecryption/decryption time.
> 
> Signed-off-by: Huang Ying <ying.huang@...el.com>

Applied to cryptodev.  Thanks!
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