Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 5c126ba2 authored by Dave Howells's avatar Dave Howells Committed by Mimi Zohar
Browse files

efi: Add EFI signature data types 



Add the data types that are used for containing hashes, keys and
certificates for cryptographic verification along with their corresponding
type GUIDs.

Signed-off-by: default avatarDavid Howells <dhowells@redhat.com>
Acked-by: default avatarNayna Jain <nayna@linux.ibm.com>
Acked-by: default avatarSerge Hallyn <serge@hallyn.com>
Reviewed-by: default avatarJames Morris <james.morris@microsoft.com>
Signed-off-by: default avatarMimi Zohar <zohar@linux.ibm.com>
parent 60740acc

include/linux/efi.h

+25 −0
Original line number Diff line number Diff line
@@ -663,6 +663,10 @@ void efi_native_runtime_setup(void); 
#define EFI_IMAGE_SECURITY_DATABASE_GUID	EFI_GUID(0xd719b2cb, 0x3d3a, 0x4596,  0xa3, 0xbc, 0xda, 0xd0, 0x0e, 0x67, 0x65, 0x6f)

#define EFI_SHIM_LOCK_GUID			EFI_GUID(0x605dab50, 0xe046, 0x4300,  0xab, 0xb6, 0x3d, 0xd8, 0x10, 0xdd, 0x8b, 0x23)



#define EFI_CERT_SHA256_GUID			EFI_GUID(0xc1c41626, 0x504c, 0x4092, 0xac, 0xa9, 0x41, 0xf9, 0x36, 0x93, 0x43, 0x28)

#define EFI_CERT_X509_GUID			EFI_GUID(0xa5c059a1, 0x94e4, 0x4aa7, 0x87, 0xb5, 0xab, 0x15, 0x5c, 0x2b, 0xf0, 0x72)

#define EFI_CERT_X509_SHA256_GUID		EFI_GUID(0x3bd2a492, 0x96c0, 0x4079, 0xb4, 0x20, 0xfc, 0xf9, 0x8e, 0xf1, 0x03, 0xed)



/*

 * This GUID is used to pass to the kernel proper the struct screen_info

 * structure that was populated by the stub based on the GOP protocol instance
@@ -934,6 +938,27 @@ typedef struct { 
	efi_memory_desc_t entry[0];

} efi_memory_attributes_table_t;



typedef struct {

	efi_guid_t signature_owner;

	u8 signature_data[];

} efi_signature_data_t;



typedef struct {

	efi_guid_t signature_type;

	u32 signature_list_size;

	u32 signature_header_size;

	u32 signature_size;

	u8 signature_header[];

	/* efi_signature_data_t signatures[][] */

} efi_signature_list_t;



typedef u8 efi_sha256_hash_t[32];



typedef struct {

	efi_sha256_hash_t to_be_signed_hash;

	efi_time_t time_of_revocation;

} efi_cert_x509_sha256_t;



/*

 * All runtime access to EFI goes through this structure:

 */