v4.19.13 snapshot.
diff --git a/security/integrity/Kconfig b/security/integrity/Kconfig
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+#
+config INTEGRITY
+ bool "Integrity subsystem"
+ depends on SECURITY
+ default y
+ help
+ This option enables the integrity subsystem, which is comprised
+ of a number of different components including the Integrity
+ Measurement Architecture (IMA), Extended Verification Module
+ (EVM), IMA-appraisal extension, digital signature verification
+ extension and audit measurement log support.
+
+ Each of these components can be enabled/disabled separately.
+ Refer to the individual components for additional details.
+
+if INTEGRITY
+
+config INTEGRITY_SIGNATURE
+ bool "Digital signature verification using multiple keyrings"
+ depends on KEYS
+ default n
+ select SIGNATURE
+ help
+ This option enables digital signature verification support
+ using multiple keyrings. It defines separate keyrings for each
+ of the different use cases - evm, ima, and modules.
+ Different keyrings improves search performance, but also allow
+ to "lock" certain keyring to prevent adding new keys.
+ This is useful for evm and module keyrings, when keys are
+ usually only added from initramfs.
+
+config INTEGRITY_ASYMMETRIC_KEYS
+ bool "Enable asymmetric keys support"
+ depends on INTEGRITY_SIGNATURE
+ default n
+ select ASYMMETRIC_KEY_TYPE
+ select ASYMMETRIC_PUBLIC_KEY_SUBTYPE
+ select CRYPTO_RSA
+ select X509_CERTIFICATE_PARSER
+ help
+ This option enables digital signature verification using
+ asymmetric keys.
+
+config INTEGRITY_TRUSTED_KEYRING
+ bool "Require all keys on the integrity keyrings be signed"
+ depends on SYSTEM_TRUSTED_KEYRING
+ depends on INTEGRITY_ASYMMETRIC_KEYS
+ default y
+ help
+ This option requires that all keys added to the .ima and
+ .evm keyrings be signed by a key on the system trusted
+ keyring.
+
+config INTEGRITY_AUDIT
+ bool "Enables integrity auditing support "
+ depends on AUDIT
+ default y
+ help
+ In addition to enabling integrity auditing support, this
+ option adds a kernel parameter 'integrity_audit', which
+ controls the level of integrity auditing messages.
+ 0 - basic integrity auditing messages (default)
+ 1 - additional integrity auditing messages
+
+ Additional informational integrity auditing messages would
+ be enabled by specifying 'integrity_audit=1' on the kernel
+ command line.
+
+source security/integrity/ima/Kconfig
+source security/integrity/evm/Kconfig
+
+endif # if INTEGRITY