From: Evgeniy Polyakov <johnpol@2ka.mipt.ru>
To: Martin Schiller <mschiller@tdt.de>
Cc: linux-crypto@vger.kernel.org
Subject: Re: Testing the geode-aes driver with the tcrypt module completely freezes the machine
Date: Thu, 3 May 2007 17:23:10 +0400 [thread overview]
Message-ID: <20070503132310.GA21082@2ka.mipt.ru> (raw)
In-Reply-To: <000601c78d84$bc24b430$1a04010a@V505CP>
On Thu, May 03, 2007 at 03:12:43PM +0200, Martin Schiller (mschiller@tdt.de) wrote:
> The freeze is the result of an invinite while-loop in the function
> geode_ecb_encrypt()
> (and maybe also in the geode_ecb_decrypt()).
>
> The cause for this seems to be, that the op->src == op->dst whereby the
> geode_aes_crypt() function does nothing at all,
> and so the value of nbytes will never be changed.
Hm, driver does not perform encryption in-place at all.
Since we did not hear from AMD quite for a while, could you please
remove src==dst check in geode_aes_crypt() and run tests again.
If it is software protection against hardware bug, I doubt such hardware
should be used at all...
> Regards,
> Martin
--
Evgeniy Polyakov
next prev parent reply other threads:[~2007-05-03 13:23 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-03 13:12 Testing the geode-aes driver with the tcrypt module completely freezes the machine Martin Schiller
2007-05-03 13:23 ` Evgeniy Polyakov [this message]
2007-05-03 13:49 ` Herbert Xu
2007-05-03 14:47 ` Jordan Crouse
2007-05-03 16:53 ` Evgeniy Polyakov
2007-05-03 14:08 ` Martin Schiller
2007-05-03 14:47 ` Evgeniy Polyakov
-- strict thread matches above, loose matches on Subject: below --
2007-04-26 9:04 Martin Schiller
2007-04-26 11:05 ` Sebastian Siewior
2007-04-26 11:27 ` Martin Schiller
2007-04-27 8:10 ` Herbert Xu
2007-04-27 9:50 ` Evgeniy Polyakov
2007-04-27 9:53 ` Evgeniy Polyakov
2007-05-03 6:19 ` Martin Schiller
2007-05-03 7:57 ` Evgeniy Polyakov
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