From: Michal Marek <mmarek@suse.cz>
To: Pavel Machek <pavel@ucw.cz>
Cc: joeyli <jlee@suse.com>, Alan Stern <stern@rowland.harvard.edu>,
David Howells <dhowells@redhat.com>,
linux-kernel@vger.kernel.org,
linux-security-module@vger.kernel.org, linux-efi@vger.kernel.org,
linux-pm@vger.kernel.org, linux-crypto@vger.kernel.org,
opensuse-kernel@opensuse.org, "Rafael J. Wysocki" <rjw@sisk.pl>,
Matthew Garrett <mjg59@srcf.ucam.org>,
Len Brown <len.brown@intel.com>, Josh Boyer <jwboyer@redhat.com>,
Vojtech Pavlik <vojtech@suse.cz>,
Matt Fleming <matt.fleming@intel.com>,
James Bottomley <james.bottomley@hansenpartnership.com>,
Greg KH <gregkh@linuxfoundation.org>,
JKosina@suse.com, Rusty Russell <rusty@rustcorp.com.au>,
Herbert Xu <herbert@gondor.hengli.com.au>,
"David S. Miller" <davem@davemloft.net>,
"H. Peter Anvin" <hpa@zytor.com>, Gary Lin <GLin@suse.com>,
Vivek Goyal <vgoyal@redhat.com>
Subject: Re: [RFC V4 PATCH 00/15] Signature verification of hibernate snapshot
Date: Thu, 26 Sep 2013 14:21:23 +0200 [thread overview]
Message-ID: <524426C3.1050501@suse.cz> (raw)
In-Reply-To: <20130926120621.GA7537@amd.pavel.ucw.cz>
On 26.9.2013 14:06, Pavel Machek wrote:
> Actually...
>
> Is not it as simple as storing hash of hibernation image into NVRAM
> and then verifying the hash matches the value in NVRAM on next
> startup? No encryption needed.
I think that part of the exercise is to minimize the number of writes to
the NVRAM. The hash changes with every hibernation, obviously.
Michal
next prev parent reply other threads:[~2013-09-26 12:21 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-09-15 0:56 [RFC V4 PATCH 00/15] Signature verification of hibernate snapshot Lee, Chun-Yi
2013-09-15 0:56 ` [PATCH V4 01/15] asymmetric keys: add interface and skeleton for implement signature generation Lee, Chun-Yi
2013-09-15 0:56 ` [PATCH V4 02/15] asymmetric keys: implement EMSA_PKCS1-v1_5-ENCODE in rsa Lee, Chun-Yi
2013-09-17 21:51 ` Dmitry Kasatkin
2013-09-18 9:08 ` joeyli
2013-09-17 22:29 ` Dmitry Kasatkin
2013-09-23 16:49 ` Phil Carmody
2013-09-26 7:08 ` joeyli
2013-09-15 0:56 ` [PATCH V4 03/15] asymmetric keys: separate the length checking of octet string from RSA_I2OSP Lee, Chun-Yi
2013-09-15 0:56 ` [PATCH V4 04/15] asymmetric keys: implement OS2IP in rsa Lee, Chun-Yi
2013-09-15 0:56 ` [PATCH V4 05/15] asymmetric keys: implement RSASP1 Lee, Chun-Yi
2013-09-15 0:56 ` [PATCH V4 06/15] asymmetric keys: support parsing PKCS #8 private key information Lee, Chun-Yi
2013-09-15 0:56 ` [PATCH V4 07/15] asymmetric keys: explicitly add the leading zero byte to encoded message Lee, Chun-Yi
2013-09-15 0:56 ` [PATCH V4 08/15] Hibernate: introduced RSA key-pair to verify signature of snapshot Lee, Chun-Yi
2013-09-15 0:56 ` [PATCH V4 09/15] Hibernate: generate and " Lee, Chun-Yi
2013-09-15 0:56 ` [PATCH 10/15] Hibernate: Avoid S4 sign key data included in snapshot image Lee, Chun-Yi
2013-09-15 0:56 ` [PATCH V4 11/15] Hibernate: taint kernel when signature check fail Lee, Chun-Yi
2013-09-15 0:56 ` [PATCH V4 12/15] Hibernate: show the verification time for monitor performance Lee, Chun-Yi
2013-09-15 0:56 ` [PATCH V4 13/15] Hibernate: introduced SNAPSHOT_SIG_HASH config for select hash algorithm Lee, Chun-Yi
2013-09-18 13:45 ` Pavel Machek
2013-09-26 1:43 ` joeyli
2013-09-26 8:21 ` Pavel Machek
2013-09-15 0:57 ` [PATCH V4 14/15] Hibernate: notify bootloader regenerate key-pair for snapshot verification Lee, Chun-Yi
2013-09-15 0:57 ` [PATCH V4 15/15] Hibernate: adapt to UEFI secure boot with signature check Lee, Chun-Yi
2013-09-25 21:04 ` [RFC V4 PATCH 00/15] Signature verification of hibernate snapshot David Howells
2013-09-25 21:25 ` Alan Stern
2013-09-25 22:16 ` James Bottomley
2013-09-26 0:27 ` Pavel Machek
2013-09-26 2:32 ` James Bottomley
2013-09-26 6:24 ` Jiri Kosina
2013-09-26 14:44 ` James Bottomley
2013-09-26 14:48 ` Jiri Kosina
2013-09-26 14:56 ` Vojtech Pavlik
2013-09-26 4:40 ` joeyli
2013-09-26 1:11 ` Alan Stern
2013-09-26 2:19 ` joeyli
2013-09-26 10:43 ` joeyli
2013-09-26 12:06 ` Pavel Machek
2013-09-26 12:21 ` Michal Marek [this message]
2013-09-26 12:23 ` Vojtech Pavlik
2013-09-26 12:22 ` Vojtech Pavlik
2013-09-26 13:20 ` joeyli
2013-09-26 12:56 ` joeyli
2013-09-26 1:36 ` joeyli
2013-10-17 14:18 ` Rafael J. Wysocki
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