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-rw-r--r--src/security/intel/cbnt/Kconfig50
1 files changed, 49 insertions, 1 deletions
diff --git a/src/security/intel/cbnt/Kconfig b/src/security/intel/cbnt/Kconfig
index 8c4d999043..0f4c2167c9 100644
--- a/src/security/intel/cbnt/Kconfig
+++ b/src/security/intel/cbnt/Kconfig
@@ -21,13 +21,22 @@ config INTEL_CBNT_GENERATE_KM
default y
select INTEL_CBNT_NEED_KM_PUB_KEY
select INTEL_CBNT_NEED_KM_PRIV_KEY
+ select INTEL_CBNT_NEED_BPM_PUB_KEY if !INTEL_CBNT_BG_PROV_KM_USE_CFG_FILE
help
Select y to generate the Key Manifest (KM).
Select n to include a KM binary.
+config INTEL_CBNT_BG_PROV_KM_USE_CFG_FILE
+ bool "KM: use a CBnT json config file"
+ depends on INTEL_CBNT_GENERATE_KM
+ default y
+ help
+ Select y to generate KM from a json config file.
+ Select n to generate KM from Kconfig options
+
config INTEL_CBNT_BG_PROV_CFG_FILE
string "CBnT json config file"
- depends on INTEL_CBNT_GENERATE_KM
+ depends on INTEL_CBNT_BG_PROV_KM_USE_CFG_FILE
help
Location of the bg-prov json config file.
Either get a sample JSON config file:
@@ -71,6 +80,45 @@ config INTEL_CBNT_BPM_PRIV_KEY_FILE
help
Location of the boot policy manifest (BPM) private key file in .pem format.
+if !INTEL_CBNT_BG_PROV_KM_USE_CFG_FILE && INTEL_CBNT_GENERATE_KM
+
+menu "KM options"
+
+config INTEL_CBNT_KM_REVISION
+ int "KM revision"
+ default 1
+ help
+ Version of the Key Manifest defined by the Platform Manufacturer.
+ The actual value is transparent to Boot Guard and is not processed by Boot Guard.
+
+config INTEL_CBNT_KM_SVN
+ int "KM security Version Number"
+ range 0 15
+ default 0
+ help
+ This value is determined by the Platform Manufacturer.
+ Boot Guard uses this to compare it to the Key Manifest
+ Revocation Value (Revocation.KMSVN) in FPF.
+
+ If KMSVN < Revocation.KMSVN, the KM will be revoked. It will trigger ENF (the
+ enforcement policy).
+ IF KMSVN > Revocation.KMSVN, the Revocation.KMSVN will be set to the KMSVN.
+
+ Note: Once the value reaches 0Fh, revocation saturates and one can no longer
+ revoke newer KMs.
+
+config INTEL_CBNT_KM_ID
+ int "KM ID"
+ default 1
+ help
+ This identifies the Key Manifest to be used for a platform.
+ This must match the Key Manifest Identifier programmed in
+ the field programmable fuses.
+
+endmenu
+
+endif # !INTEL_CBNT_BG_PROV_KM_USE_CFG_FILE
+
config INTEL_CBNT_KEY_MANIFEST_BINARY
string "KM (Key Manifest) binary location"
depends on !INTEL_CBNT_GENERATE_KM