linux-kernel - Re: [Patch v8 0/4] Create and consolidate trusted keys subsystem

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Message-ID: <20191023114935.GE21973@linux.intel.com>
Date:   Wed, 23 Oct 2019 14:49:35 +0300
From:   Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
To:     Sumit Garg <sumit.garg@...aro.org>
Cc:     dhowells@...hat.com, peterhuewe@....de, keyrings@...r.kernel.org,
        linux-integrity@...r.kernel.org, linux-crypto@...r.kernel.org,
        linux-security-module@...r.kernel.org, herbert@...dor.apana.org.au,
        davem@...emloft.net, jgg@...pe.ca, arnd@...db.de,
        gregkh@...uxfoundation.org, jejb@...ux.ibm.com,
        zohar@...ux.ibm.com, jmorris@...ei.org, serge@...lyn.com,
        jsnitsel@...hat.com, linux-kernel@...r.kernel.org,
        daniel.thompson@...aro.org
Subject: Re: [Patch v8 0/4] Create and consolidate trusted keys subsystem

On Wed, Oct 23, 2019 at 02:41:33PM +0300, Jarkko Sakkinen wrote:
> On Wed, Oct 16, 2019 at 10:44:51AM +0530, Sumit Garg wrote:
> > This patch-set does restructuring of trusted keys code to create and
> > consolidate trusted keys subsystem.
> > 
> > Also, patch #2 replaces tpm1_buf code used in security/keys/trusted.c and
> > crypto/asymmertic_keys/asym_tpm.c files to use the common tpm_buf code.
> > 
> > Changes in v8:
> > 1. Rebased to latest tpmdd/master.
> > 2. Added Reviewed-by tags.
> > 
> > Changes in v7:
> > 1. Rebased to top of tpmdd/master
> > 2. Patch #4: update tpm2 trusted keys code to use tpm_send() instead of
> >    tpm_transmit_cmd() which is an internal function.
> > 
> > Changes in v6:
> > 1. Switch TPM asymmetric code also to use common tpm_buf code. These
> >    changes required patches #1 and #2 update, so I have dropped review
> >    tags from those patches.
> > 2. Incorporated miscellaneous comments from Jarkko.
> > 
> > Changes in v5:
> > 1. Drop 5/5 patch as its more relavant along with TEE patch-set.
> > 2. Add Reviewed-by tag for patch #2.
> > 3. Fix build failure when "CONFIG_HEADER_TEST" and
> >    "CONFIG_KERNEL_HEADER_TEST" config options are enabled.
> > 4. Misc changes to rename files.
> > 
> > Changes in v4:
> > 1. Separate patch for export of tpm_buf code to include/linux/tpm.h
> > 2. Change TPM1.x trusted keys code to use common tpm_buf
> > 3. Keep module name as trusted.ko only
> > 
> > Changes in v3:
> > 
> > Move TPM2 trusted keys code to trusted keys subsystem.
> > 
> > Changes in v2:
> > 
> > Split trusted keys abstraction patch for ease of review.
> > 
> > Sumit Garg (4):
> >   tpm: Move tpm_buf code to include/linux/
> >   KEYS: Use common tpm_buf for trusted and asymmetric keys
> >   KEYS: trusted: Create trusted keys subsystem
> >   KEYS: trusted: Move TPM2 trusted keys code
> > 
> >  crypto/asymmetric_keys/asym_tpm.c                  | 101 +++----
> >  drivers/char/tpm/tpm-interface.c                   |  56 ----
> >  drivers/char/tpm/tpm.h                             | 223 ---------------
> >  drivers/char/tpm/tpm2-cmd.c                        | 307 --------------------
> >  include/Kbuild                                     |   1 -
> >  include/keys/{trusted.h => trusted_tpm.h}          |  49 +---
> >  include/linux/tpm.h                                | 248 ++++++++++++++--
> >  security/keys/Makefile                             |   2 +-
> >  security/keys/trusted-keys/Makefile                |   8 +
> >  .../{trusted.c => trusted-keys/trusted_tpm1.c}     |  96 +++----
> >  security/keys/trusted-keys/trusted_tpm2.c          | 314 +++++++++++++++++++++
> >  11 files changed, 649 insertions(+), 756 deletions(-)
> >  rename include/keys/{trusted.h => trusted_tpm.h} (77%)
> >  create mode 100644 security/keys/trusted-keys/Makefile
> >  rename security/keys/{trusted.c => trusted-keys/trusted_tpm1.c} (94%)
> >  create mode 100644 security/keys/trusted-keys/trusted_tpm2.c
> > 
> > -- 
> > 2.7.4
> > 
> 
> Tested-by: Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>

Pushed. I'll include them to my v5.5 PR :-) Thank you for doing
this.

/Jarkko