linux-kernel - Re: comparison of the AF_ALG interface with the /dev/crypto

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Message-ID: <20110901064319.GB27893@gondor.apana.org.au>
Date:	Thu, 1 Sep 2011 14:43:19 +0800
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	Nikos Mavrogiannopoulos <nmav@...tls.org>
Cc:	cryptodev-linux-devel@....org, linux-crypto@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: comparison of the AF_ALG interface with the /dev/crypto

On Thu, Sep 01, 2011 at 08:26:07AM +0200, Nikos Mavrogiannopoulos wrote:
>
> Actually this is the reason of the ecb(cipher-null) comparison. To  
> emulate the case of a hardware offload device. I tried to make that  
> clear in the text, but may not be. If you see AF_ALG performs really bad  
> on that case. It performs better when a software or a padlock  
> implementation of AES is involved (which as you say it is a useless  
> use-case).

It's meaningless because such devices operate at a rate much
lower than the figures you give.

Cheers,
-- 
Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
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