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-rw-r--r--init/Kconfig13
1 files changed, 13 insertions, 0 deletions
diff --git a/init/Kconfig b/init/Kconfig
index 2b119850784b..62b725653c36 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -1752,6 +1752,19 @@ config SYSTEM_TRUSTED_KEYRING
 
 	  Keys in this keyring are used by module signature checking.
 
+config SYSTEM_TRUSTED_KEYS
+	string "Additional X.509 keys for default system keyring"
+	depends on SYSTEM_TRUSTED_KEYRING
+	help
+	  If set, this option should be the filename of a PEM-formatted file
+	  containing trusted X.509 certificates to be included in the default
+	  system keyring. Any certificate used for module signing is implicitly
+	  also trusted.
+
+	  NOTE: If you previously provided keys for the system keyring in the
+	  form of DER-encoded *.x509 files in the top-level build directory,
+	  those are no longer used. You will need to set this option instead.
+
 config SYSTEM_DATA_VERIFICATION
 	def_bool n
 	select SYSTEM_TRUSTED_KEYRING