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

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From: Lee, Chun-Yi <hidden>
Date: 2021-03-23 03:57:05
Also in: keyrings, lkml
Subsystem: certificate handling, the rest · Maintainers: David Howells, David Woodhouse, Linus Torvalds

Revision v5 of 12 in this series.

Revisions (12)

2020-11-25 v1 [diff vs current]
2021-01-20 v4 [diff vs current]
2021-02-22 v4 [diff vs current]
2021-03-09 v5
2021-03-23 v5 current
2021-04-09 v5
2021-04-12 v5
2021-04-29 v6 [diff vs current]
2021-05-21 v7 [diff vs current]
2021-05-24 v8 [diff vs current]
2022-07-13 v9 [diff vs current]
2022-08-25 v9 [diff vs current]

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

Signed-off-by: "Lee, Chun-Yi" <jlee@suse.com>
---
 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

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