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-rw-r--r--fs/verity/Kconfig17
1 files changed, 17 insertions, 0 deletions
diff --git a/fs/verity/Kconfig b/fs/verity/Kconfig
index c2bca0b01ecf..88fb25119899 100644
--- a/fs/verity/Kconfig
+++ b/fs/verity/Kconfig
@@ -36,3 +36,20 @@ config FS_VERITY_DEBUG
Enable debugging messages related to fs-verity by default.
Say N unless you are an fs-verity developer.
+
+config FS_VERITY_BUILTIN_SIGNATURES
+ bool "FS Verity builtin signature support"
+ depends on FS_VERITY
+ select SYSTEM_DATA_VERIFICATION
+ help
+ Support verifying signatures of verity files against the X.509
+ certificates that have been loaded into the ".fs-verity"
+ kernel keyring.
+
+ This is meant as a relatively simple mechanism that can be
+ used to provide an authenticity guarantee for verity files, as
+ an alternative to IMA appraisal. Userspace programs still
+ need to check that the verity bit is set in order to get an
+ authenticity guarantee.
+
+ If unsure, say N.