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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: David Howells <dhowells@redhat.com>
Acked-by: Nayna Jain <nayna@linux.ibm.com>
Acked-by: Serge Hallyn <serge@hallyn.com>
Reviewed-by: James Morris <james.morris@microsoft.com>
Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>
This commit is contained in:
Dave Howells 2018-12-09 01:57:01 +05:30 committed by Mimi Zohar
parent 60740accf7
commit 5c126ba22f
1 changed files with 25 additions and 0 deletions
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25
include/linux/efi.h
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@ -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:
*/