From: Marek Vasut <marex@denx.de>
To: Dmitry Kasatkin <d.kasatkin@samsung.com>
Cc: Dmitry Kasatkin <dmitry.kasatkin@gmail.com>,
Mimi Zohar <zohar@linux.vnet.ibm.com>,
linux-ima-devel@lists.sourceforge.net,
"linux-security-module" <linux-security-module@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-crypto" <linux-crypto@vger.kernel.org>
Subject: Re: [PATCH v3 1/3] ima: use ahash API for file hash calculation
Date: Thu, 10 Jul 2014 13:31:25 +0200 [thread overview]
Message-ID: <201407101331.25786.marex@denx.de> (raw)
In-Reply-To: <53BE7691.3080604@samsung.com>
On Thursday, July 10, 2014 at 01:18:41 PM, Dmitry Kasatkin wrote:
[...]
> > All right, that was my understanding of the entire discussion -- an
> > accelerator dying mid-way and what will IMA do about that.
> >
> >> But as we fallback to early allocated shash, which is not USB yet,
> >> then there is no problem.
> >> ahash itself does not bring any other additional problem than shash
> >> itself. They are compiled builtin together.
> >
> > Sure, I understood that. But what will happen if the ahash accelerator
> > stops working mid-flight, will IMA also go bonkers or is there some
> > graceful stop?
>
> shash fallback will be used.
Ah, thank you for clearing this!
Best regards,
Marek Vasut
next prev parent reply other threads:[~2014-07-10 11:31 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-04 12:05 [PATCH v3 0/3] ima: use asynchronous hash API for hash calculation Dmitry Kasatkin
2014-07-04 12:05 ` [PATCH v3 1/3] ima: use ahash API for file " Dmitry Kasatkin
2014-07-07 11:56 ` Mimi Zohar
2014-07-07 13:37 ` Dmitry Kasatkin
2014-07-07 15:44 ` Mimi Zohar
2014-07-07 16:11 ` Dmitry Kasatkin
2014-07-07 16:34 ` Mimi Zohar
2014-07-08 8:07 ` Dmitry Kasatkin
2014-07-09 21:00 ` Marek Vasut
2014-07-09 23:05 ` Dmitry Kasatkin
2014-07-10 8:02 ` Marek Vasut
2014-07-10 11:18 ` Dmitry Kasatkin
2014-07-10 11:31 ` Marek Vasut [this message]
2014-07-04 12:05 ` [PATCH v3 2/3] ima: introduce multi-page collect buffers Dmitry Kasatkin
2014-07-04 12:05 ` [PATCH v3 3/3] ima: provide double buffering for hash calculation Dmitry Kasatkin
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