netdev - Re: [PATCH] crypto: aesni-intel

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20141120075943.GU6390@secunet.com>
Date:	Thu, 20 Nov 2014 08:59:44 +0100
From:	Steffen Klassert <steffen.klassert@...unet.com>
To:	Herbert Xu <herbert@...dor.apana.org.au>
CC:	Ming Liu <ming.liu@...driver.com>, <davem@...emloft.net>,
	<ying.xue@...driver.com>, <linux-crypto@...r.kernel.org>,
	<netdev@...r.kernel.org>
Subject: Re: [PATCH] crypto: aesni-intel - avoid IPsec re-ordering

On Thu, Nov 20, 2014 at 03:43:42PM +0800, Herbert Xu wrote:
> On Thu, Nov 20, 2014 at 08:26:51AM +0100, Steffen Klassert wrote:
> >
> > What about to use a fallback algorithm that does not need to touch
> > FPU/SIMD in such cases? We would not need cryptd at all and it would
> > keep the requests in the right order because we don't defer them.
> 
> This would be bad for throughput since the fallback is many orders
> of magnitude slower than aesni.

Sure, but could be an option if this is really a rare case.

Anyway, I don't mind too much about the solution as long as we
get it to work :)
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html