[PATCH 3/4] modsign: Add codeSigning EKU when generating X.509 key generation config

From: Lee, Chun-Yi
Date: Thu Apr 08 2021 - 22:47:50 EST


Add codeSigning EKU to the X.509 key generation config for the build time
autogenerated kernel key.

Signed-off-by: "Lee, Chun-Yi" <jlee@xxxxxxxx>
---
certs/Makefile | 1 +
1 file changed, 1 insertion(+)

diff --git a/certs/Makefile b/certs/Makefile
index f4c25b67aad9..1ef4d6ca43b7 100644
--- a/certs/Makefile
+++ b/certs/Makefile
@@ -88,6 +88,7 @@ $(obj)/x509.genkey:
@echo >>$@ "keyUsage=digitalSignature"
@echo >>$@ "subjectKeyIdentifier=hash"
@echo >>$@ "authorityKeyIdentifier=keyid"
+ @echo >>$@ "extendedKeyUsage=codeSigning"
endif # CONFIG_MODULE_SIG_KEY

$(eval $(call config_filename,MODULE_SIG_KEY))
--
2.16.4