1config HAVE_TRUSTED_KEYS 2 bool 3 4config HAVE_TRUSTED_KEYS_DEBUG 5 bool 6 7config TRUSTED_KEYS_DEBUG 8 bool "Debug trusted keys" 9 depends on HAVE_TRUSTED_KEYS_DEBUG 10 default n 11 help 12 Trusted key backends and core code that support debug traces can 13 opt-in that feature here. Traces must only use debug level output, as 14 sensitive data may pass by. In the kernel-command line traces can be 15 enabled via trusted.dyndbg='+p'. 16 17 SAFETY: Debug dumps are inactive at runtime until trusted.debug is set 18 to a true value on the kernel command-line. Use at your utmost 19 consideration when enabling this feature on a production build. The 20 general advice is not to do this. 21 22config TRUSTED_KEYS_TPM 23 bool "TPM-based trusted keys" 24 depends on TCG_TPM >= TRUSTED_KEYS 25 default y 26 select HAVE_TRUSTED_KEYS_DEBUG 27 select CRYPTO_HASH_INFO 28 select CRYPTO_LIB_SHA1 29 select CRYPTO_LIB_UTILS 30 select ASN1_ENCODER 31 select OID_REGISTRY 32 select ASN1 33 select HAVE_TRUSTED_KEYS 34 help 35 Enable use of the Trusted Platform Module (TPM) as trusted key 36 backend. Trusted keys are random number symmetric keys, 37 which will be generated and RSA-sealed by the TPM. 38 The TPM only unseals the keys, if the boot PCRs and other 39 criteria match. 40 41config TRUSTED_KEYS_TEE 42 bool "TEE-based trusted keys" 43 depends on TEE >= TRUSTED_KEYS 44 default y 45 select HAVE_TRUSTED_KEYS_DEBUG 46 select HAVE_TRUSTED_KEYS 47 help 48 Enable use of the Trusted Execution Environment (TEE) as trusted 49 key backend. 50 51config TRUSTED_KEYS_CAAM 52 bool "CAAM-based trusted keys" 53 depends on CRYPTO_DEV_FSL_CAAM_JR >= TRUSTED_KEYS 54 select CRYPTO_DEV_FSL_CAAM_BLOB_GEN 55 default y 56 select HAVE_TRUSTED_KEYS_DEBUG 57 select HAVE_TRUSTED_KEYS 58 help 59 Enable use of NXP's Cryptographic Accelerator and Assurance Module 60 (CAAM) as trusted key backend. 61 62config TRUSTED_KEYS_DCP 63 bool "DCP-based trusted keys" 64 depends on CRYPTO_DEV_MXS_DCP >= TRUSTED_KEYS 65 default y 66 select HAVE_TRUSTED_KEYS_DEBUG 67 select HAVE_TRUSTED_KEYS 68 help 69 Enable use of NXP's DCP (Data Co-Processor) as trusted key backend. 70 71config TRUSTED_KEYS_PKWM 72 bool "PKWM-based trusted keys" 73 depends on PSERIES_PLPKS >= TRUSTED_KEYS 74 default y 75 select HAVE_TRUSTED_KEYS_DEBUG 76 select HAVE_TRUSTED_KEYS 77 help 78 Enable use of IBM PowerVM Key Wrapping Module (PKWM) as a trusted key backend. 79 80if !HAVE_TRUSTED_KEYS 81 comment "No trust source selected!" 82endif 83