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Thu, 31 Oct 2019 06:59:30 -0700 (PDT) From: Sumit Garg To: jens.wiklander@linaro.org, jarkko.sakkinen@linux.intel.com, dhowells@redhat.com Subject: [Patch v3 0/7] Introduce TEE based Trusted Keys support Date: Thu, 31 Oct 2019 19:28:36 +0530 Message-Id: <1572530323-14802-1-git-send-email-sumit.garg@linaro.org> X-Mailer: git-send-email 2.7.4 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191031_065933_575154_67324FE4 X-CRM114-Status: GOOD ( 13.03 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Sumit Garg , daniel.thompson@linaro.org, janne.karhunen@gmail.com, corbet@lwn.net, jejb@linux.ibm.com, ard.biesheuvel@linaro.org, linux-doc@vger.kernel.org, jmorris@namei.org, zohar@linux.ibm.com, linux-kernel@vger.kernel.org, tee-dev@lists.linaro.org, linux-security-module@vger.kernel.org, keyrings@vger.kernel.org, stuart.yoder@arm.com, casey@schaufler-ca.com, linux-integrity@vger.kernel.org, linux-arm-kernel@lists.infradead.org, serge@hallyn.com MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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 series also adds some TEE features like: Patch #1, #2 enables support for registered kernel shared memory with TEE. Patch #3 enables support for private kernel login method required for cases like trusted keys where we don't wan't user-space to directly access TEE service to retrieve trusted key contents. Rest of the patches from #4 to #7 adds support for TEE based trusted keys. This patch-set has been tested with OP-TEE based pseudo TA which can be found here [1]. [1] https://github.com/OP-TEE/optee_os/pull/3082 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/ 3. Rebased to latest tpmdd-master. 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 (7): tee: optee: allow kernel pages to register as shm tee: enable support to register kernel memory tee: add private login method for kernel clients KEYS: trusted: Add generic trusted keys framework KEYS: trusted: Introduce TEE based Trusted Keys doc: keys: Document usage of TEE based Trusted Keys MAINTAINERS: Add entry for TEE based Trusted Keys Documentation/security/keys/index.rst | 1 + Documentation/security/keys/tee-trusted.rst | 93 ++++++++ MAINTAINERS | 9 + drivers/tee/optee/call.c | 7 + drivers/tee/tee_core.c | 6 + drivers/tee/tee_shm.c | 26 ++- include/keys/trusted-type.h | 48 ++++ include/keys/trusted_tee.h | 66 ++++++ include/keys/trusted_tpm.h | 15 -- include/linux/tee_drv.h | 1 + include/uapi/linux/tee.h | 8 + security/keys/Kconfig | 3 + security/keys/trusted-keys/Makefile | 2 + security/keys/trusted-keys/trusted_common.c | 346 ++++++++++++++++++++++++++++ security/keys/trusted-keys/trusted_tee.c | 282 +++++++++++++++++++++++ security/keys/trusted-keys/trusted_tpm1.c | 345 +++++---------------------- 16 files changed, 954 insertions(+), 304 deletions(-) create mode 100644 Documentation/security/keys/tee-trusted.rst 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 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel