linux-kernel - Re: [PATCH v2 2/3] driver: provide sysfs interfaces to access TXT config space

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: <20130517180735.GA11631@amd.pavel.ucw.cz>
Date:	Fri, 17 May 2013 20:07:35 +0200
From:	Pavel Machek <pavel@....cz>
To:	"Ren, Qiaowei" <qiaowei.ren@...el.com>
Cc:	Matthew Garrett <matthew.garrett@...ula.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"platform-driver-x86@...r.kernel.org" 
	<platform-driver-x86@...r.kernel.org>,
	"Wei, Gang" <gang.wei@...el.com>, Greg KH <greg@...ah.com>
Subject: Re: [PATCH v2 2/3] driver: provide sysfs interfaces to access TXT
 config space

On Fri 2013-05-17 08:50:11, Ren, Qiaowei wrote:
> On 2013-05-17, Pavel Machek wrote:
> > On Tue 2013-05-14 01:24:43, Qiaowei Ren wrote:
> >> +What:		/sys/devices/platform/intel_txt/config/STS_raw +Date:		May 2013
> >> +KernelVersion:	3.9 +Contact:	"Qiaowei Ren" <qiaowei.ren@...el.com>
> >> +Description:	TXT.STS is the general status register. This read-only
> >> register +		is used by AC modules and the MLE to get the status of
> >> various +		Intel TXT features.
> > 
> > This is not enough to allow people to understand what this does/should
> > do, nor does it allow (for example) ARM people to implement something compatible.
> 
> Currently TXT is only a technology for safer computing provided by Intel. I am absolutely not sure whether similar technology will be provided on ARM or other platform in future. But I guess I don't have to consider those future possible implementation on ARM or other platform. :)
> 

You still have to properly design the interface and properly document
it, so people can understand and test it, and develop compatible
implementations.
									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/