From: dhowells@redhat.com (David Howells)
To: linux-security-module@vger.kernel.org
Subject: [RFC 11/12] keys/mktme: Add a new key service type for memory encryption keys
Date: Wed, 12 Sep 2018 00:01:51 +0100 [thread overview]
Message-ID: <31294.1536706911@warthog.procyon.org.uk> (raw)
In-Reply-To: <20180911223933.GA2638@alison-desk.jf.intel.com>
Alison Schofield <alison.schofield@intel.com> wrote:
> If a preparse routine handles all the above, then if any of the
> above failures occur, the key service has less backing out to do.
> Is that the point?
Yes. Ideally, ->instantiate() would never fail.
> How do I make the connection between the preparse and the instantiate?
> Do I just put what I need to remember about this key request in the
> payload.data during preparse, so I can examine it again during
> instantiate?
Have a look at user_preparse(). It attaches the contribution to the supplied
key_preparsed_payload struct, which is then passed to ->instantiate() and
->update() as appropriate. generic_key_instantiate() is used by the user key
type.
David
next prev parent reply other threads:[~2018-09-11 23:01 UTC|newest]
Thread overview: 53+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-07 22:23 [RFC 00/12] Multi-Key Total Memory Encryption API (MKTME) Alison Schofield
2018-09-07 22:34 ` [RFC 02/12] mm: Generalize the mprotect implementation to support extensions Alison Schofield
2018-09-10 10:12 ` Jarkko Sakkinen
2018-09-11 0:34 ` Alison Schofield
2018-09-07 22:34 ` [RFC 03/12] syscall/x86: Wire up a new system call for memory encryption keys Alison Schofield
2018-09-07 22:36 ` [RFC 04/12] x86/mm: Add helper functions to manage " Alison Schofield
2018-09-10 2:56 ` Huang, Kai
2018-09-10 23:37 ` Huang, Kai
2018-09-10 23:41 ` Alison Schofield
2018-09-07 22:36 ` [RFC 05/12] x86/mm: Add a helper function to set keyid bits in encrypted VMA's Alison Schofield
2018-09-10 17:57 ` Sakkinen, Jarkko
2018-09-07 22:37 ` [RFC 07/12] x86/mm: Add helper functions to track " Alison Schofield
2018-09-10 3:17 ` Huang, Kai
2018-09-07 22:37 ` [RFC 08/12] mm: Track VMA's in use for each memory encryption keyid Alison Schofield
2018-09-10 18:20 ` Jarkko Sakkinen
2018-09-11 2:39 ` Alison Schofield
2018-09-07 22:37 ` [RFC 09/12] mm: Restrict memory encryption to anonymous VMA's Alison Schofield
2018-09-10 18:21 ` Sakkinen, Jarkko
2018-09-10 18:57 ` Dave Hansen
2018-09-10 21:07 ` Jarkko Sakkinen
2018-09-10 21:09 ` Dave Hansen
2018-09-07 22:38 ` [RFC 10/12] x86/pconfig: Program memory encryption keys on a system-wide basis Alison Schofield
2018-09-10 1:46 ` Huang, Kai
2018-09-10 18:24 ` Sakkinen, Jarkko
2018-09-11 2:46 ` Alison Schofield
2018-09-11 14:31 ` Jarkko Sakkinen
2018-09-07 22:38 ` [RFC 11/12] keys/mktme: Add a new key service type for memory encryption keys Alison Schofield
2018-09-10 3:29 ` Huang, Kai
2018-09-10 21:47 ` Alison Schofield
2018-09-15 0:06 ` Alison Schofield
2018-09-17 10:48 ` Huang, Kai
2018-09-17 22:34 ` Huang, Kai
2018-09-07 22:39 ` [RFC 12/12] keys/mktme: Do not revoke in use " Alison Schofield
2018-09-10 1:10 ` [RFC 00/12] Multi-Key Total Memory Encryption API (MKTME) Huang, Kai
2018-09-10 19:10 ` Alison Schofield
2018-09-11 3:15 ` Huang, Kai
[not found] ` <b9c1e3805c700043d92117462bdb6018bb9f858a.1536356108.git.alison.schofield@intel.com>
2018-09-08 18:44 ` [RFC 01/12] docs/x86: Document the Multi-Key Total Memory Encryption API Randy Dunlap
2018-09-10 1:28 ` Huang, Kai
2018-09-11 0:13 ` Alison Schofield
2018-09-11 0:33 ` Huang, Kai
2018-09-11 0:45 ` Alison Schofield
2018-09-11 1:14 ` Huang, Kai
2018-09-11 0:14 ` Huang, Kai
2018-09-10 17:32 ` Sakkinen, Jarkko
2018-09-11 0:19 ` Alison Schofield
2018-09-10 17:29 ` [RFC 00/12] Multi-Key Total Memory Encryption API (MKTME) Sakkinen, Jarkko
[not found] ` <7d27511b07c8337e15096214622b66ef8f0fa345.1536356108.git.alison.schofield@intel.com>
2018-09-10 18:02 ` [RFC 06/12] mm: Add the encrypt_mprotect() system call Jarkko Sakkinen
2018-09-11 2:15 ` Alison Schofield
2018-09-11 22:03 ` [RFC 11/12] keys/mktme: Add a new key service type for memory encryption keys David Howells
2018-09-11 22:39 ` Alison Schofield
2018-09-11 23:01 ` David Howells [this message]
2018-09-11 22:56 ` [RFC 04/12] x86/mm: Add helper functions to manage " David Howells
2018-09-12 11:12 ` [RFC 12/12] keys/mktme: Do not revoke in use " David Howells
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