linux-kernel - Re: [Patch v7 0/4] Create and consolidate trusted keys subsystem

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Message-ID: <20191011123757.GD3129@linux.intel.com>
Date:   Fri, 11 Oct 2019 15:37:57 +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 v7 0/4] Create and consolidate trusted keys subsystem

On Mon, Oct 07, 2019 at 10:55:31AM +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 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                             | 226 ---------------
>  drivers/char/tpm/tpm2-cmd.c                        | 307 --------------------
>  include/Kbuild                                     |   1 -
>  include/keys/{trusted.h => trusted_tpm.h}          |  49 +---
>  include/linux/tpm.h                                | 251 ++++++++++++++--
>  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, 652 insertions(+), 759 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
> 

I fixed a merge conflict caused by James' commit. Already pushed.
Compiling test kernel ATM i.e. tested-by's will follow later.

/Jarkko