linux-kernel - Re: [RFC PATCH 00/18 v3] Signature verification of hibernate snapshot

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Message-ID: <87eh9dzg00.fsf@mid.deneb.enyo.de>
Date:	Wed, 28 Aug 2013 23:01:51 +0200
From:	Florian Weimer <fw@...eb.enyo.de>
To:	"Lee\, Chun-Yi" <joeyli.kernel@...il.com>
Cc:	linux-kernel@...r.kernel.org,
	linux-security-module@...r.kernel.org, linux-efi@...r.kernel.org,
	linux-pm@...r.kernel.org, linux-crypto@...r.kernel.org,
	opensuse-kernel@...nsuse.org, David Howells <dhowells@...hat.com>,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	Matthew Garrett <mjg59@...f.ucam.org>,
	Len Brown <len.brown@...el.com>, Pavel Machek <pavel@....cz>,
	Josh Boyer <jwboyer@...hat.com>,
	Vojtech Pavlik <vojtech@...e.cz>,
	Matt Fleming <matt.fleming@...el.com>,
	James Bottomley <james.bottomley@...senpartnership.com>,
	Greg KH <gregkh@...uxfoundation.org>, JKosina@...e.com,
	Rusty Russell <rusty@...tcorp.com.au>,
	Herbert Xu <herbert@...dor.apana.org.au>,
	"David S. Miller" <davem@...emloft.net>,
	"H. Peter Anvin" <hpa@...or.com>, Michal Marek <mmarek@...e.cz>,
	Gary Lin <GLin@...e.com>, Vivek Goyal <vgoyal@...hat.com>,
	"Lee\, Chun-Yi" <jlee@...e.com>
Subject: Re: [RFC PATCH 00/18 v3] Signature verification of hibernate snapshot

* Chun-Yi Lee:

>  + EFI bootloader must generate RSA key-pair when system boot:
>    - Bootloader store the public key to EFI boottime variable by itself
>    - Bootloader put The private key to S4SignKey EFI variable for forward to
>      kernel.

Is the UEFI NVRAM really suited for such regular updates?
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