linux-kernel - [PATCH v4 0/4] Introduce TEE based Trusted Keys support

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Message-Id: <1588758017-30426-1-git-send-email-sumit.garg@linaro.org>
Date:   Wed,  6 May 2020 15:10:13 +0530
From:   Sumit Garg <sumit.garg@...aro.org>
To:     jarkko.sakkinen@...ux.intel.com, zohar@...ux.ibm.com,
        jejb@...ux.ibm.com
Cc:     dhowells@...hat.com, jens.wiklander@...aro.org, corbet@....net,
        jmorris@...ei.org, serge@...lyn.com, casey@...aufler-ca.com,
        janne.karhunen@...il.com, daniel.thompson@...aro.org,
        Markus.Wamser@...ed-mode.de, keyrings@...r.kernel.org,
        linux-integrity@...r.kernel.org,
        linux-security-module@...r.kernel.org, linux-doc@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        op-tee@...ts.trustedfirmware.org, tee-dev@...ts.linaro.org,
        Sumit Garg <sumit.garg@...aro.org>
Subject: [PATCH v4 0/4] Introduce TEE based Trusted Keys support

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 can be
found here [1].

[1] https://github.com/OP-TEE/optee_os/pull/3838

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

 Documentation/security/keys/trusted-encrypted.rst | 203 ++++++++++---
 MAINTAINERS                                       |   8 +
 include/keys/trusted-type.h                       |  48 ++++
 include/keys/trusted_tee.h                        |  66 +++++
 include/keys/trusted_tpm.h                        |  15 -
 security/keys/Kconfig                             |   3 +
 security/keys/trusted-keys/Makefile               |   2 +
 security/keys/trusted-keys/trusted_common.c       | 336 ++++++++++++++++++++++
 security/keys/trusted-keys/trusted_tee.c          | 282 ++++++++++++++++++
 security/keys/trusted-keys/trusted_tpm1.c         | 335 ++++-----------------
 10 files changed, 974 insertions(+), 324 deletions(-)
 create mode 100644 include/keys/trusted_tee.h
 create mode 100644 security/keys/trusted-keys/trusted_common.c
 create mode 100644 security/keys/trusted-keys/trusted_tee.c

-- 
2.7.4