From: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
To: Andy Lutomirski <luto@kernel.org>
Cc: James Bottomley <James.Bottomley@hansenpartnership.com>,
Stephan Mueller <smueller@chronox.de>,
Herbert Xu <herbert@gondor.apana.org.au>,
"Lee, Chun-Yi" <joeyli.kernel@gmail.com>,
"Rafael J . Wysocki" <rjw@rjwysocki.net>,
Pavel Machek <pavel@ucw.cz>, LKML <linux-kernel@vger.kernel.org>,
linux-pm@vger.kernel.org, keyrings@vger.kernel.org,
"Rafael J. Wysocki" <rafael.j.wysocki@intel.com>,
Chen Yu <yu.c.chen@intel.com>, Oliver Neukum <oneukum@suse.com>,
Ryan Chen <yu.chen.surf@gmail.com>,
David Howells <dhowells@redhat.com>,
Giovanni Gherdovich <ggherdovich@suse.cz>,
Randy Dunlap <rdunlap@infradead.org>,
Jann Horn <jannh@google.com>
Subject: Re: [PATCH 1/5 v2] PM / hibernate: Create snapshot keys handler
Date: Fri, 11 Jan 2019 16:02:26 +0200 [thread overview]
Message-ID: <20190111140226.GA6448@linux.intel.com> (raw)
In-Reply-To: <CALCETrWTAYpWv73MgAz=NUfvJSLq965fWMYvJnDepJoRBsgt6Q@mail.gmail.com>
On Tue, Jan 08, 2019 at 05:43:53PM -0800, Andy Lutomirski wrote:
> (Also, do we have a sensible story of how the TPM interacts with
> hibernation at all? Presumably we should at least try to replay the
> PCR operations that have occurred so that we can massage the PCRs into
> the same state post-hibernation. Also, do we have any way for the
> kernel to sign something with the TPM along with an attestation that
> the signature was requested *by the kernel*? Something like a
> sub-hierarchy of keys that the kernel explicitly prevents userspace
> from accessing?)
Kernel can keep it is own key hierarchy in memory as TPM2 chips allow
to offload data in encrypted form and load it to TPM when it needs to
use it.
The in-kernel resource manager that I initiated couple years ago
provides this type of functionality.
/Jarkko
next prev parent reply other threads:[~2019-01-11 14:02 UTC|newest]
Thread overview: 90+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-03 14:32 [PATCH 0/5 v2][RFC] Encryption and authentication for hibernate snapshot image Lee, Chun-Yi
2019-01-03 14:32 ` [PATCH 1/5 v2] PM / hibernate: Create snapshot keys handler Lee, Chun-Yi
2019-01-06 8:01 ` Stephan Mueller
2019-01-06 8:25 ` Stephan Mueller
2019-01-07 15:33 ` joeyli
2019-01-07 15:52 ` Stephan Mueller
2019-01-08 5:03 ` Herbert Xu
2019-01-08 7:09 ` Stephan Mueller
2019-01-08 23:54 ` Andy Lutomirski
2019-01-09 0:44 ` James Bottomley
2019-01-09 1:43 ` Andy Lutomirski
2019-01-09 6:49 ` James Bottomley
2019-01-09 18:11 ` joeyli
2019-01-11 15:53 ` Jarkko Sakkinen
2019-01-09 18:34 ` Andy Lutomirski
2019-01-09 19:46 ` James Bottomley
2019-01-09 20:12 ` Andy Lutomirski
2019-01-09 21:43 ` James Bottomley
2019-01-09 22:19 ` Pavel Machek
2019-01-11 16:04 ` Jarkko Sakkinen
2019-01-11 14:02 ` Jarkko Sakkinen [this message]
2019-01-11 15:28 ` James Bottomley
2019-01-18 14:33 ` Jarkko Sakkinen
2019-01-18 20:59 ` James Bottomley
2019-01-20 16:02 ` Jarkko Sakkinen
2019-01-09 6:45 ` Stephan Mueller
2019-01-09 6:58 ` James Bottomley
2019-01-09 7:05 ` Stephan Mueller
2019-01-09 8:21 ` Eric Biggers
2019-01-09 10:17 ` Stephan Mueller
2019-01-09 17:34 ` Eric Biggers
2019-01-09 18:18 ` Stephan Mueller
2019-01-11 19:08 ` [PATCH 0/6] General Key Derivation Function Support Stephan Müller
2019-01-11 19:09 ` [PATCH 1/6] crypto: add template handling for RNGs Stephan Müller
2019-01-11 19:10 ` [PATCH 2/6] crypto: kdf - SP800-108 Key Derivation Function Stephan Müller
2019-01-12 5:27 ` Eric Biggers
2019-01-14 9:31 ` Stephan Müller
2019-01-11 19:10 ` [PATCH 3/6] crypto: kdf - add known answer tests Stephan Müller
2019-01-12 5:26 ` Eric Biggers
2019-01-14 9:26 ` Stephan Müller
2019-01-11 19:10 ` [PATCH 4/6] crypto: hkdf - RFC5869 Key Derivation Function Stephan Müller
2019-01-12 5:12 ` Eric Biggers
2019-01-12 9:55 ` Herbert Xu
2019-01-13 7:56 ` Stephan Müller
2019-01-13 16:52 ` James Bottomley
2019-01-14 9:30 ` Stephan Müller
2019-01-14 17:53 ` Eric Biggers
2019-01-14 18:44 ` Stephan Mueller
2019-01-11 19:10 ` [PATCH 5/6] crypto: hkdf - add known answer tests Stephan Müller
2019-01-12 5:19 ` Eric Biggers
2019-01-14 9:25 ` Stephan Müller
2019-01-14 17:44 ` Eric Biggers
2019-01-11 19:11 ` [PATCH 6/6] crypto: tcrypt - add KDF test invocation Stephan Müller
2019-01-16 11:06 ` [PATCH v2 0/6] General Key Derivation Function Support Stephan Müller
2019-01-16 11:07 ` [PATCH v2 1/6] crypto: add template handling for RNGs Stephan Müller
2019-01-16 11:08 ` [PATCH v2 2/6] crypto: kdf - SP800-108 Key Derivation Function Stephan Müller
2019-01-16 11:08 ` [PATCH v2 3/6] crypto: kdf - add known answer tests Stephan Müller
2019-01-16 11:08 ` [PATCH v2 4/6] crypto: hkdf - HMAC-based Extract-and-Expand KDF Stephan Müller
2019-01-16 11:09 ` [PATCH v2 5/6] crypto: hkdf - add known answer tests Stephan Müller
2019-01-16 11:09 ` [PATCH v2 6/6] crypto: tcrypt - add KDF test invocation Stephan Müller
2019-01-28 10:07 ` [PATCH v2 0/6] General Key Derivation Function Support Stephan Mueller
2019-01-30 10:08 ` Herbert Xu
2019-01-30 14:39 ` Stephan Mueller
2019-02-08 7:45 ` Herbert Xu
2019-02-08 8:00 ` Stephan Mueller
2019-02-08 8:05 ` Herbert Xu
2019-02-08 8:17 ` Stephan Mueller
2019-02-19 5:44 ` Herbert Xu
2019-01-09 15:34 ` [PATCH 1/5 v2] PM / hibernate: Create snapshot keys handler James Bottomley
2019-01-09 6:27 ` Stephan Mueller
2019-01-03 14:32 ` [PATCH 2/5] PM / hibernate: Generate and verify signature for snapshot image Lee, Chun-Yi
2019-01-06 8:09 ` Stephan Mueller
2019-01-07 18:58 ` Dan Carpenter
2019-01-03 14:32 ` [PATCH 3/5] PM / hibernate: Encrypt " Lee, Chun-Yi
2019-01-06 8:23 ` Stephan Mueller
2019-01-03 14:32 ` [PATCH 4/5 v2] PM / hibernate: Erase the snapshot master key in snapshot pages Lee, Chun-Yi
2019-01-03 14:32 ` [PATCH 5/5 v2] PM / hibernate: An option to request that snapshot image must be authenticated Lee, Chun-Yi
2019-01-06 18:10 ` [PATCH 0/5 v2][RFC] Encryption and authentication for hibernate snapshot image Pavel Machek
2019-01-07 17:37 ` joeyli
2019-01-07 18:07 ` Pavel Machek
2019-01-08 21:41 ` Andy Lutomirski
2019-01-08 23:42 ` Pavel Machek
2019-01-09 16:39 ` joeyli
2019-01-09 16:47 ` Stephan Mueller
2019-01-11 14:29 ` joeyli
2019-01-09 16:51 ` joeyli
2019-01-09 18:47 ` Andy Lutomirski
2019-01-10 15:12 ` joeyli
2019-01-11 1:09 ` Andy Lutomirski
2019-01-11 14:59 ` joeyli
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