Re: [PATCH v9 0/4] Introduce TEE based Trusted Keys support

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Hi Jarkko,

On Mon, 1 Mar 2021 at 18:41, Sumit Garg <sumit.garg@xxxxxxxxxx> wrote:
>
> Add support for TEE based trusted keys where TEE provides the functionality
> to seal and unseal trusted keys using hardware unique key. Also, this is
> an alternative in case platform doesn't possess a TPM device.
>
> This patch-set has been tested with OP-TEE based early TA which is already
> merged in upstream [1].
>
> [1] https://github.com/OP-TEE/optee_os/commit/f86ab8e7e0de869dfa25ca05a37ee070d7e5b86b
>
> Changes in v9:
> 1. Rebased to latest tpmdd/master.
> 2. Defined pr_fmt() and removed redundant tags.
> 3. Patch #2: incorporated misc. comments.
> 4. Patch #3: incorporated doc changes from Elaine and misc. comments
>    from Randy.
> 5. Patch #4: reverted to separate maintainer entry as per request from
>    Jarkko.
> 6. Added Jarkko's Tested-by: tag on patch #2.

It looks like we don't have any further comments on this patch-set. So
would you be able to pick up this patch-set?

-Sumit

>
> Changes in v8:
> 1. Added static calls support instead of indirect calls.
> 2. Documented trusted keys source module parameter.
> 3. Refined patch #1 commit message discription.
> 4. Addressed misc. comments on patch #2.
> 5. Added myself as Trusted Keys co-maintainer instead.
> 6. Rebased to latest tpmdd master.
>
> Changes in v7:
> 1. Added a trusted.source module parameter in order to enforce user's
>    choice in case a particular platform posses both TPM and TEE.
> 2. Refine commit description for patch #1.
>
> Changes in v6:
> 1. Revert back to dynamic detection of trust source.
> 2. Drop author mention from trusted_core.c and trusted_tpm1.c files.
> 3. Rebased to latest tpmdd/master.
>
> Changes in v5:
> 1. Drop dynamic detection of trust source and use compile time flags
>    instead.
> 2. Rename trusted_common.c -> trusted_core.c.
> 3. Rename callback: cleanup() -> exit().
> 4. Drop "tk" acronym.
> 5. Other misc. comments.
> 6. Added review tags for patch #3 and #4.
>
> Changes in v4:
> 1. Pushed independent TEE features separately:
>   - Part of recent TEE PR: https://lkml.org/lkml/2020/5/4/1062
> 2. Updated trusted-encrypted doc with TEE as a new trust source.
> 3. Rebased onto latest tpmdd/master.
>
> Changes in v3:
> 1. Update patch #2 to support registration of multiple kernel pages.
> 2. Incoporate dependency patch #4 in this patch-set:
>    https://patchwork.kernel.org/patch/11091435/
>
> Changes in v2:
> 1. Add reviewed-by tags for patch #1 and #2.
> 2. Incorporate comments from Jens for patch #3.
> 3. Switch to use generic trusted keys framework.
>
> Sumit Garg (4):
>   KEYS: trusted: Add generic trusted keys framework
>   KEYS: trusted: Introduce TEE based Trusted Keys
>   doc: trusted-encrypted: updates with TEE as a new trust source
>   MAINTAINERS: Add entry for TEE based Trusted Keys
>
>  .../admin-guide/kernel-parameters.txt         |  12 +
>  .../security/keys/trusted-encrypted.rst       | 171 ++++++--
>  MAINTAINERS                                   |   8 +
>  include/keys/trusted-type.h                   |  53 +++
>  include/keys/trusted_tee.h                    |  16 +
>  include/keys/trusted_tpm.h                    |  29 +-
>  security/keys/trusted-keys/Makefile           |   2 +
>  security/keys/trusted-keys/trusted_core.c     | 358 +++++++++++++++++
>  security/keys/trusted-keys/trusted_tee.c      | 317 +++++++++++++++
>  security/keys/trusted-keys/trusted_tpm1.c     | 366 ++++--------------
>  10 files changed, 981 insertions(+), 351 deletions(-)
>  create mode 100644 include/keys/trusted_tee.h
>  create mode 100644 security/keys/trusted-keys/trusted_core.c
>  create mode 100644 security/keys/trusted-keys/trusted_tee.c
>
> --
> 2.25.1
>



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