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[v6,3/7] include: image.h: add key info to image_sign_info

Message ID 20200127102740.26831-4-takahiro.akashi@linaro.org
State Accepted
Commit a8fc3df8b96fb968e72d5f2f10d07322f81adc8a
Headers show
Series rsa: extend rsa_verify() for UEFI secure boot | expand

Commit Message

AKASHI Takahiro Jan. 27, 2020, 10:27 a.m. UTC 
For FIT verification, all the properties of a public key come from
"control fdt" pointed to by fdt_blob. In UEFI secure boot, on the other
hand, a public key is located and retrieved from dedicated signature
database stored as UEFI variables.

Added two fields may hold values of a public key if fdt_blob is NULL, and
will be used in rsa_verify_with_pkey() to verify a signature in UEFI
sub-system.

Signed-off-by: AKASHI Takahiro <takahiro.akashi at linaro.org>
Reviewed-by: Simon Glass <sjg at chromium.org>
---
 include/image.h | 7 +++++++
 1 file changed, 7 insertions(+)
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Patch

diff --git a/include/image.h b/include/image.h
index 7eb0b4b53184..20e1f95cf2a7 100644
--- a/include/image.h
+++ b/include/image.h
@@ -1142,6 +1142,13 @@  struct image_sign_info {
 	int required_keynode;		/* Node offset of key to use: -1=any */
 	const char *require_keys;	/* Value for 'required' property */
 	const char *engine_id;		/* Engine to use for signing */
+	/*
+	 * Note: the following two fields are always valid even w/o
+	 * RSA_VERIFY_WITH_PKEY in order to make sure this structure is
+	 * the same on target and host. Otherwise, vboot test may fail.
+	 */
+	const void *key;		/* Pointer to public key in DER */
+	int keylen;			/* Length of public key */
 };
 
 /* A part of an image, used for hashing */