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[83.175.106.198]) by smtp.gmail.com with UTF8SMTPSA id p8-20020a05600c358800b0040b40468c98sm30050771wmq.10.2023.12.15.03.07.11 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 15 Dec 2023 03:07:12 -0800 (PST) From: David Gstir To: Mimi Zohar , James Bottomley , Jarkko Sakkinen , Herbert Xu , "David S. Miller" Cc: David Gstir , Shawn Guo , Jonathan Corbet , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team , Ahmad Fatoum , sigma star Kernel Team , David Howells , Li Yang , Paul Moore , James Morris , "Serge E. Hallyn" , "Paul E. McKenney" , Randy Dunlap , Catalin Marinas , "Rafael J. Wysocki" , Tejun Heo , "Steven Rostedt (Google)" , linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-integrity@vger.kernel.org, keyrings@vger.kernel.org, linux-crypto@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, linux-security-module@vger.kernel.org Subject: [PATCH v5 2/6] KEYS: trusted: improve scalability of trust source config Date: Fri, 15 Dec 2023 12:06:29 +0100 Message-ID: <20231215110639.45522-3-david@sigma-star.at> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20231215110639.45522-1-david@sigma-star.at> References: <20231215110639.45522-1-david@sigma-star.at> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231215_030715_991492_2C329408 X-CRM114-Status: GOOD ( 12.92 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Checking if at least one valid trust source is selected does not scale and becomes hard to read. This improves this in preparation for the DCP trust source. Signed-off-by: David Gstir --- security/keys/trusted-keys/Kconfig | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/security/keys/trusted-keys/Kconfig b/security/keys/trusted-keys/Kconfig index dbfdd8536468..553dc117f385 100644 --- a/security/keys/trusted-keys/Kconfig +++ b/security/keys/trusted-keys/Kconfig @@ -1,3 +1,6 @@ +config HAVE_TRUSTED_KEYS + bool + config TRUSTED_KEYS_TPM bool "TPM-based trusted keys" depends on TCG_TPM >= TRUSTED_KEYS @@ -9,6 +12,7 @@ config TRUSTED_KEYS_TPM select ASN1_ENCODER select OID_REGISTRY select ASN1 + select HAVE_TRUSTED_KEYS help Enable use of the Trusted Platform Module (TPM) as trusted key backend. Trusted keys are random number symmetric keys, @@ -20,6 +24,7 @@ config TRUSTED_KEYS_TEE bool "TEE-based trusted keys" depends on TEE >= TRUSTED_KEYS default y + select HAVE_TRUSTED_KEYS help Enable use of the Trusted Execution Environment (TEE) as trusted key backend. @@ -29,10 +34,11 @@ config TRUSTED_KEYS_CAAM depends on CRYPTO_DEV_FSL_CAAM_JR >= TRUSTED_KEYS select CRYPTO_DEV_FSL_CAAM_BLOB_GEN default y + select HAVE_TRUSTED_KEYS help Enable use of NXP's Cryptographic Accelerator and Assurance Module (CAAM) as trusted key backend. -if !TRUSTED_KEYS_TPM && !TRUSTED_KEYS_TEE && !TRUSTED_KEYS_CAAM -comment "No trust source selected!" +if !HAVE_TRUSTED_KEYS + comment "No trust source selected!" endif