linux-kernel - Re: [PATCH] NFC: Driver for Inside Secure MicroRead NFC chip

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Message-Id: <201103291522.56667.arnd@arndb.de>
Date:	Tue, 29 Mar 2011 15:22:56 +0200
From:	Arnd Bergmann <arnd@...db.de>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
Cc:	Waldemar.Rymarkiewicz@...to.com, sameo@...ux.intel.com,
	linux-i2c@...r.kernel.org, linux-kernel@...r.kernel.org,
	hthebaud@...idefr.com, matti.j.aaltonen@...ia.com
Subject: Re: [PATCH] NFC: Driver for Inside Secure MicroRead NFC chip

On Tuesday 29 March 2011, Alan Cox wrote:
> > I was under the impression that NFC was peer-to-peer, so the driver
> > would already be handling both sides potentially.
> 
> Your security requirements each side are going to be very different. A
> phone or handheld device is generally single user at a time, the other
> end may well be interacting with many devices at once each with their own
> security context and potentially handling sensitive data (payment
> authorisations for example).

Yes, good point.

	Arnd
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