MdePkg/Include/Guid/ImageAuthentication.h - third_party/edk2 - Git at Google

 /** @file
   Image signature database are defined for the signed image validation.

   Copyright (c) 2009 - 2024, Intel Corporation. All rights reserved.<BR>
   SPDX-License-Identifier: BSD-2-Clause-Patent

   @par Revision Reference:
   GUIDs defined in UEFI 2.5 spec.
 **/

 #ifndef __IMAGE_AUTHTICATION_H__
 #define __IMAGE_AUTHTICATION_H__

 #include <Guid/GlobalVariable.h>
 #include <Protocol/Hash.h>

 #define EFI_IMAGE_SECURITY_DATABASE_GUID \
   { \
     0xd719b2cb, 0x3d3a, 0x4596, { 0xa3, 0xbc, 0xda, 0xd0, 0xe, 0x67, 0x65, 0x6f } \
   }

 ///
 /// Varialbe name with guid EFI_IMAGE_SECURITY_DATABASE_GUID
 /// for the authorized signature database.
 ///
 #define EFI_IMAGE_SECURITY_DATABASE  L"db"
 ///
 /// Varialbe name with guid EFI_IMAGE_SECURITY_DATABASE_GUID
 /// for the forbidden signature database.
 ///
 #define EFI_IMAGE_SECURITY_DATABASE1  L"dbx"
 ///
 /// Variable name with guid EFI_IMAGE_SECURITY_DATABASE_GUID
 /// for the timestamp signature database.
 ///
 #define EFI_IMAGE_SECURITY_DATABASE2  L"dbt"

 #define SECURE_BOOT_MODE_ENABLE   1
 #define SECURE_BOOT_MODE_DISABLE  0

 #define SETUP_MODE  1
 #define USER_MODE   0

 #define DEVICE_AUTH_BOOT_MODE_ENABLE   1
 #define DEVICE_AUTH_BOOT_MODE_DISABLE  0

 // ***********************************************************************
 // Signature Database
 // ***********************************************************************
 ///
 /// The format of a signature database.
 ///
 #pragma pack(1)

 typedef struct {
   ///
   /// An identifier which identifies the agent which added the signature to the list.
   ///
   EFI_GUID    SignatureOwner;
   ///
   /// The format of the signature is defined by the SignatureType.
   ///
   UINT8       SignatureData[1];
 } EFI_SIGNATURE_DATA;

 typedef struct {
   ///
   /// Type of the signature. GUID signature types are defined in below.
   ///
   EFI_GUID    SignatureType;
   ///
   /// Total size of the signature list, including this header.
   ///
   UINT32      SignatureListSize;
   ///
   /// Size of the signature header which precedes the array of signatures.
   ///
   UINT32      SignatureHeaderSize;
   ///
   /// Size of each signature.
   ///
   UINT32      SignatureSize;
   ///
   /// Header before the array of signatures. The format of this header is specified
   /// by the SignatureType.
   /// UINT8           SignatureHeader[SignatureHeaderSize];
   ///
   /// An array of signatures. Each signature is SignatureSize bytes in length.
   /// EFI_SIGNATURE_DATA Signatures[][SignatureSize];
   ///
 } EFI_SIGNATURE_LIST;

 typedef struct {
   ///
   /// The SHA256 hash of an X.509 certificate's To-Be-Signed contents.
   ///
   EFI_SHA256_HASH    ToBeSignedHash;
   ///
   /// The time that the certificate shall be considered to be revoked.
   ///
   EFI_TIME           TimeOfRevocation;
 } EFI_CERT_X509_SHA256;

 typedef struct {
   ///
   /// The SHA384 hash of an X.509 certificate's To-Be-Signed contents.
   ///
   EFI_SHA384_HASH    ToBeSignedHash;
   ///
   /// The time that the certificate shall be considered to be revoked.
   ///
   EFI_TIME           TimeOfRevocation;
 } EFI_CERT_X509_SHA384;

 typedef struct {
   ///
   /// The SHA512 hash of an X.509 certificate's To-Be-Signed contents.
   ///
   EFI_SHA512_HASH    ToBeSignedHash;
   ///
   /// The time that the certificate shall be considered to be revoked.
   ///
   EFI_TIME           TimeOfRevocation;
 } EFI_CERT_X509_SHA512;

 #pragma pack()

 ///
 /// This identifies a signature containing a SHA-256 hash. The SignatureHeader size shall
 /// always be 0. The SignatureSize shall always be 16 (size of SignatureOwner component) +
 /// 32 bytes.
 ///
 #define EFI_CERT_SHA256_GUID \
   { \
     0xc1c41626, 0x504c, 0x4092, {0xac, 0xa9, 0x41, 0xf9, 0x36, 0x93, 0x43, 0x28} \
   }

 ///
 /// This identifies a signature containing an RSA-2048 key. The key (only the modulus
 /// since the public key exponent is known to be 0x10001) shall be stored in big-endian
 /// order.
 /// The SignatureHeader size shall always be 0. The SignatureSize shall always be 16 (size
 /// of SignatureOwner component) + 256 bytes.
 ///
 #define EFI_CERT_RSA2048_GUID \
   { \
     0x3c5766e8, 0x269c, 0x4e34, {0xaa, 0x14, 0xed, 0x77, 0x6e, 0x85, 0xb3, 0xb6} \
   }

 ///
 /// This identifies a signature containing a RSA-2048 signature of a SHA-256 hash.  The
 /// SignatureHeader size shall always be 0. The SignatureSize shall always be 16 (size of
 /// SignatureOwner component) + 256 bytes.
 ///
 #define EFI_CERT_RSA2048_SHA256_GUID \
   { \
     0xe2b36190, 0x879b, 0x4a3d, {0xad, 0x8d, 0xf2, 0xe7, 0xbb, 0xa3, 0x27, 0x84} \
   }

 ///
 /// This identifies a signature containing a SHA-1 hash.  The SignatureSize shall always
 /// be 16 (size of SignatureOwner component) + 20 bytes.
 ///
 #define EFI_CERT_SHA1_GUID \
   { \
     0x826ca512, 0xcf10, 0x4ac9, {0xb1, 0x87, 0xbe, 0x1, 0x49, 0x66, 0x31, 0xbd} \
   }

 ///
 /// TThis identifies a signature containing a RSA-2048 signature of a SHA-1 hash.  The
 /// SignatureHeader size shall always be 0. The SignatureSize shall always be 16 (size of
 /// SignatureOwner component) + 256 bytes.
 ///
 #define EFI_CERT_RSA2048_SHA1_GUID \
   { \
     0x67f8444f, 0x8743, 0x48f1, {0xa3, 0x28, 0x1e, 0xaa, 0xb8, 0x73, 0x60, 0x80} \
   }

 ///
 /// This identifies a signature based on an X.509 certificate. If the signature is an X.509
 /// certificate then verification of the signature of an image should validate the public
 /// key certificate in the image using certificate path verification, up to this X.509
 /// certificate as a trusted root.  The SignatureHeader size shall always be 0. The
 /// SignatureSize may vary but shall always be 16 (size of the SignatureOwner component) +
 /// the size of the certificate itself.
 /// Note: This means that each certificate will normally be in a separate EFI_SIGNATURE_LIST.
 ///
 #define EFI_CERT_X509_GUID \
   { \
     0xa5c059a1, 0x94e4, 0x4aa7, {0x87, 0xb5, 0xab, 0x15, 0x5c, 0x2b, 0xf0, 0x72} \
   }

 ///
 /// This identifies a signature containing a SHA-224 hash. The SignatureHeader size shall
 /// always be 0. The SignatureSize shall always be 16 (size of SignatureOwner component) +
 /// 28 bytes.
 ///
 #define EFI_CERT_SHA224_GUID \
   { \
     0xb6e5233, 0xa65c, 0x44c9, {0x94, 0x7, 0xd9, 0xab, 0x83, 0xbf, 0xc8, 0xbd} \
   }

 ///
 /// This identifies a signature containing a SHA-384 hash. The SignatureHeader size shall
 /// always be 0. The SignatureSize shall always be 16 (size of SignatureOwner component) +
 /// 48 bytes.
 ///
 #define EFI_CERT_SHA384_GUID \
   { \
     0xff3e5307, 0x9fd0, 0x48c9, {0x85, 0xf1, 0x8a, 0xd5, 0x6c, 0x70, 0x1e, 0x1} \
   }

 ///
 /// This identifies a signature containing a SHA-512 hash. The SignatureHeader size shall
 /// always be 0. The SignatureSize shall always be 16 (size of SignatureOwner component) +
 /// 64 bytes.
 ///
 #define EFI_CERT_SHA512_GUID \
   { \
     0x93e0fae, 0xa6c4, 0x4f50, {0x9f, 0x1b, 0xd4, 0x1e, 0x2b, 0x89, 0xc1, 0x9a} \
   }

 ///
 /// This identifies a signature containing the SHA256 hash of an X.509 certificate's
 /// To-Be-Signed contents, and a time of revocation. The SignatureHeader size shall
 /// always be 0. The SignatureSize shall always be 16 (size of the SignatureOwner component)
 /// + 48 bytes for an EFI_CERT_X509_SHA256 structure. If the TimeOfRevocation is non-zero,
 /// the certificate should be considered to be revoked from that time and onwards, and
 /// otherwise the certificate shall be considered to always be revoked.
 ///
 #define EFI_CERT_X509_SHA256_GUID \
   { \
     0x3bd2a492, 0x96c0, 0x4079, {0xb4, 0x20, 0xfc, 0xf9, 0x8e, 0xf1, 0x03, 0xed } \
   }

 ///
 /// This identifies a signature containing the SHA384 hash of an X.509 certificate's
 /// To-Be-Signed contents, and a time of revocation. The SignatureHeader size shall
 /// always be 0. The SignatureSize shall always be 16 (size of the SignatureOwner component)
 /// + 64 bytes for an EFI_CERT_X509_SHA384 structure. If the TimeOfRevocation is non-zero,
 /// the certificate should be considered to be revoked from that time and onwards, and
 /// otherwise the certificate shall be considered to always be revoked.
 ///
 #define EFI_CERT_X509_SHA384_GUID \
   { \
     0x7076876e, 0x80c2, 0x4ee6, {0xaa, 0xd2, 0x28, 0xb3, 0x49, 0xa6, 0x86, 0x5b } \
   }

 ///
 /// This identifies a signature containing the SHA512 hash of an X.509 certificate's
 /// To-Be-Signed contents, and a time of revocation. The SignatureHeader size shall
 /// always be 0. The SignatureSize shall always be 16 (size of the SignatureOwner component)
 /// + 80 bytes for an EFI_CERT_X509_SHA512 structure. If the TimeOfRevocation is non-zero,
 /// the certificate should be considered to be revoked from that time and onwards, and
 /// otherwise the certificate shall be considered to always be revoked.
 ///
 #define EFI_CERT_X509_SHA512_GUID \
   { \
     0x446dbf63, 0x2502, 0x4cda, {0xbc, 0xfa, 0x24, 0x65, 0xd2, 0xb0, 0xfe, 0x9d } \
   }

 ///
 /// This identifies a signature containing a DER-encoded PKCS #7 version 1.5 [RFC2315]
 /// SignedData value.
 ///
 #define EFI_CERT_TYPE_PKCS7_GUID \
   { \
     0x4aafd29d, 0x68df, 0x49ee, {0x8a, 0xa9, 0x34, 0x7d, 0x37, 0x56, 0x65, 0xa7} \
   }

 // ***********************************************************************
 // Image Execution Information Table Definition
 // ***********************************************************************
 typedef UINT32 EFI_IMAGE_EXECUTION_ACTION;

 #define EFI_IMAGE_EXECUTION_AUTHENTICATION      0x00000007
 #define EFI_IMAGE_EXECUTION_AUTH_UNTESTED       0x00000000
 #define EFI_IMAGE_EXECUTION_AUTH_SIG_FAILED     0x00000001
 #define EFI_IMAGE_EXECUTION_AUTH_SIG_PASSED     0x00000002
 #define EFI_IMAGE_EXECUTION_AUTH_SIG_NOT_FOUND  0x00000003
 #define EFI_IMAGE_EXECUTION_AUTH_SIG_FOUND      0x00000004
 #define EFI_IMAGE_EXECUTION_POLICY_FAILED       0x00000005
 #define EFI_IMAGE_EXECUTION_INITIALIZED         0x00000008

 //
 // EFI_IMAGE_EXECUTION_INFO is added to EFI System Configuration Table
 // and assigned the GUID EFI_IMAGE_SECURITY_DATABASE_GUID.
 //
 typedef struct {
   ///
   /// Describes the action taken by the firmware regarding this image.
   ///
   EFI_IMAGE_EXECUTION_ACTION    Action;
   ///
   /// Size of all of the entire structure.
   ///
   UINT32                        InfoSize;
   ///
   /// If this image was a UEFI device driver (for option ROM, for example) this is the
   /// null-terminated, user-friendly name for the device. If the image was for an application,
   /// then this is the name of the application. If this cannot be determined, then a simple
   /// NULL character should be put in this position.
   /// CHAR16                    Name[];
   ///

   ///
   /// For device drivers, this is the device path of the device for which this device driver
   /// was intended. In some cases, the driver itself may be stored as part of the system
   /// firmware, but this field should record the device's path, not the firmware path. For
   /// applications, this is the device path of the application. If this cannot be determined,
   /// a simple end-of-path device node should be put in this position.
   /// EFI_DEVICE_PATH_PROTOCOL  DevicePath;
   ///

   ///
   /// Zero or more image signatures. If the image contained no signatures,
   /// then this field is empty.
   /// EFI_SIGNATURE_LIST            Signature;
   ///
 } EFI_IMAGE_EXECUTION_INFO;

 typedef struct {
   ///
   /// Number of EFI_IMAGE_EXECUTION_INFO structures.
   ///
   UINTN    NumberOfImages;
   ///
   /// Number of image instances of EFI_IMAGE_EXECUTION_INFO structures.
   ///
   // EFI_IMAGE_EXECUTION_INFO  InformationInfo[]
 } EFI_IMAGE_EXECUTION_INFO_TABLE;

 extern EFI_GUID  gEfiImageSecurityDatabaseGuid;
 extern EFI_GUID  gEfiCertSha256Guid;
 extern EFI_GUID  gEfiCertRsa2048Guid;
 extern EFI_GUID  gEfiCertRsa2048Sha256Guid;
 extern EFI_GUID  gEfiCertSha1Guid;
 extern EFI_GUID  gEfiCertRsa2048Sha1Guid;
 extern EFI_GUID  gEfiCertX509Guid;
 extern EFI_GUID  gEfiCertSha224Guid;
 extern EFI_GUID  gEfiCertSha384Guid;
 extern EFI_GUID  gEfiCertSha512Guid;
 extern EFI_GUID  gEfiCertX509Sha256Guid;
 extern EFI_GUID  gEfiCertX509Sha384Guid;
 extern EFI_GUID  gEfiCertX509Sha512Guid;
 extern EFI_GUID  gEfiCertPkcs7Guid;

 #endif
	/** @file
	Image signature database are defined for the signed image validation.

	Copyright (c) 2009 - 2024, Intel Corporation. All rights reserved.<BR>
	SPDX-License-Identifier: BSD-2-Clause-Patent

	@par Revision Reference:
	GUIDs defined in UEFI 2.5 spec.
	**/

	#ifndef __IMAGE_AUTHTICATION_H__
	#define __IMAGE_AUTHTICATION_H__

	#include <Guid/GlobalVariable.h>
	#include <Protocol/Hash.h>

	#define EFI_IMAGE_SECURITY_DATABASE_GUID \
	{ \
	0xd719b2cb, 0x3d3a, 0x4596, { 0xa3, 0xbc, 0xda, 0xd0, 0xe, 0x67, 0x65, 0x6f } \
	}

	///
	/// Varialbe name with guid EFI_IMAGE_SECURITY_DATABASE_GUID
	/// for the authorized signature database.
	///
	#define EFI_IMAGE_SECURITY_DATABASE L"db"
	///
	/// Varialbe name with guid EFI_IMAGE_SECURITY_DATABASE_GUID
	/// for the forbidden signature database.
	///
	#define EFI_IMAGE_SECURITY_DATABASE1 L"dbx"
	///
	/// Variable name with guid EFI_IMAGE_SECURITY_DATABASE_GUID
	/// for the timestamp signature database.
	///
	#define EFI_IMAGE_SECURITY_DATABASE2 L"dbt"

	#define SECURE_BOOT_MODE_ENABLE 1
	#define SECURE_BOOT_MODE_DISABLE 0

	#define SETUP_MODE 1
	#define USER_MODE 0

	#define DEVICE_AUTH_BOOT_MODE_ENABLE 1
	#define DEVICE_AUTH_BOOT_MODE_DISABLE 0

	// ***********************************************************************
	// Signature Database
	// ***********************************************************************
	///
	/// The format of a signature database.
	///
	#pragma pack(1)

	typedef struct {
	///
	/// An identifier which identifies the agent which added the signature to the list.
	///
	EFI_GUID SignatureOwner;
	///
	/// The format of the signature is defined by the SignatureType.
	///
	UINT8 SignatureData[1];
	} EFI_SIGNATURE_DATA;

	typedef struct {
	///
	/// Type of the signature. GUID signature types are defined in below.
	///
	EFI_GUID SignatureType;
	///
	/// Total size of the signature list, including this header.
	///
	UINT32 SignatureListSize;
	///
	/// Size of the signature header which precedes the array of signatures.
	///
	UINT32 SignatureHeaderSize;
	///
	/// Size of each signature.
	///
	UINT32 SignatureSize;
	///
	/// Header before the array of signatures. The format of this header is specified
	/// by the SignatureType.
	/// UINT8 SignatureHeader[SignatureHeaderSize];
	///
	/// An array of signatures. Each signature is SignatureSize bytes in length.
	/// EFI_SIGNATURE_DATA Signatures[][SignatureSize];
	///
	} EFI_SIGNATURE_LIST;

	typedef struct {
	///
	/// The SHA256 hash of an X.509 certificate's To-Be-Signed contents.
	///
	EFI_SHA256_HASH ToBeSignedHash;
	///
	/// The time that the certificate shall be considered to be revoked.
	///
	EFI_TIME TimeOfRevocation;
	} EFI_CERT_X509_SHA256;

	typedef struct {
	///
	/// The SHA384 hash of an X.509 certificate's To-Be-Signed contents.
	///
	EFI_SHA384_HASH ToBeSignedHash;
	///
	/// The time that the certificate shall be considered to be revoked.
	///
	EFI_TIME TimeOfRevocation;
	} EFI_CERT_X509_SHA384;

	typedef struct {
	///
	/// The SHA512 hash of an X.509 certificate's To-Be-Signed contents.
	///
	EFI_SHA512_HASH ToBeSignedHash;
	///
	/// The time that the certificate shall be considered to be revoked.
	///
	EFI_TIME TimeOfRevocation;
	} EFI_CERT_X509_SHA512;

	#pragma pack()

	///
	/// This identifies a signature containing a SHA-256 hash. The SignatureHeader size shall
	/// always be 0. The SignatureSize shall always be 16 (size of SignatureOwner component) +
	/// 32 bytes.
	///
	#define EFI_CERT_SHA256_GUID \
	{ \
	0xc1c41626, 0x504c, 0x4092, {0xac, 0xa9, 0x41, 0xf9, 0x36, 0x93, 0x43, 0x28} \
	}

	///
	/// This identifies a signature containing an RSA-2048 key. The key (only the modulus
	/// since the public key exponent is known to be 0x10001) shall be stored in big-endian
	/// order.
	/// The SignatureHeader size shall always be 0. The SignatureSize shall always be 16 (size
	/// of SignatureOwner component) + 256 bytes.
	///
	#define EFI_CERT_RSA2048_GUID \
	{ \
	0x3c5766e8, 0x269c, 0x4e34, {0xaa, 0x14, 0xed, 0x77, 0x6e, 0x85, 0xb3, 0xb6} \
	}

	///
	/// This identifies a signature containing a RSA-2048 signature of a SHA-256 hash. The
	/// SignatureHeader size shall always be 0. The SignatureSize shall always be 16 (size of
	/// SignatureOwner component) + 256 bytes.
	///
	#define EFI_CERT_RSA2048_SHA256_GUID \
	{ \
	0xe2b36190, 0x879b, 0x4a3d, {0xad, 0x8d, 0xf2, 0xe7, 0xbb, 0xa3, 0x27, 0x84} \
	}

	///
	/// This identifies a signature containing a SHA-1 hash. The SignatureSize shall always
	/// be 16 (size of SignatureOwner component) + 20 bytes.
	///
	#define EFI_CERT_SHA1_GUID \
	{ \
	0x826ca512, 0xcf10, 0x4ac9, {0xb1, 0x87, 0xbe, 0x1, 0x49, 0x66, 0x31, 0xbd} \
	}

	///
	/// TThis identifies a signature containing a RSA-2048 signature of a SHA-1 hash. The
	/// SignatureHeader size shall always be 0. The SignatureSize shall always be 16 (size of
	/// SignatureOwner component) + 256 bytes.
	///
	#define EFI_CERT_RSA2048_SHA1_GUID \
	{ \
	0x67f8444f, 0x8743, 0x48f1, {0xa3, 0x28, 0x1e, 0xaa, 0xb8, 0x73, 0x60, 0x80} \
	}

	///
	/// This identifies a signature based on an X.509 certificate. If the signature is an X.509
	/// certificate then verification of the signature of an image should validate the public
	/// key certificate in the image using certificate path verification, up to this X.509
	/// certificate as a trusted root. The SignatureHeader size shall always be 0. The
	/// SignatureSize may vary but shall always be 16 (size of the SignatureOwner component) +
	/// the size of the certificate itself.
	/// Note: This means that each certificate will normally be in a separate EFI_SIGNATURE_LIST.
	///
	#define EFI_CERT_X509_GUID \
	{ \
	0xa5c059a1, 0x94e4, 0x4aa7, {0x87, 0xb5, 0xab, 0x15, 0x5c, 0x2b, 0xf0, 0x72} \
	}

	///
	/// This identifies a signature containing a SHA-224 hash. The SignatureHeader size shall
	/// always be 0. The SignatureSize shall always be 16 (size of SignatureOwner component) +
	/// 28 bytes.
	///
	#define EFI_CERT_SHA224_GUID \
	{ \
	0xb6e5233, 0xa65c, 0x44c9, {0x94, 0x7, 0xd9, 0xab, 0x83, 0xbf, 0xc8, 0xbd} \
	}

	///
	/// This identifies a signature containing a SHA-384 hash. The SignatureHeader size shall
	/// always be 0. The SignatureSize shall always be 16 (size of SignatureOwner component) +
	/// 48 bytes.
	///
	#define EFI_CERT_SHA384_GUID \
	{ \
	0xff3e5307, 0x9fd0, 0x48c9, {0x85, 0xf1, 0x8a, 0xd5, 0x6c, 0x70, 0x1e, 0x1} \
	}

	///
	/// This identifies a signature containing a SHA-512 hash. The SignatureHeader size shall
	/// always be 0. The SignatureSize shall always be 16 (size of SignatureOwner component) +
	/// 64 bytes.
	///
	#define EFI_CERT_SHA512_GUID \
	{ \
	0x93e0fae, 0xa6c4, 0x4f50, {0x9f, 0x1b, 0xd4, 0x1e, 0x2b, 0x89, 0xc1, 0x9a} \
	}

	///
	/// This identifies a signature containing the SHA256 hash of an X.509 certificate's
	/// To-Be-Signed contents, and a time of revocation. The SignatureHeader size shall
	/// always be 0. The SignatureSize shall always be 16 (size of the SignatureOwner component)
	/// + 48 bytes for an EFI_CERT_X509_SHA256 structure. If the TimeOfRevocation is non-zero,
	/// the certificate should be considered to be revoked from that time and onwards, and
	/// otherwise the certificate shall be considered to always be revoked.
	///
	#define EFI_CERT_X509_SHA256_GUID \
	{ \
	0x3bd2a492, 0x96c0, 0x4079, {0xb4, 0x20, 0xfc, 0xf9, 0x8e, 0xf1, 0x03, 0xed } \
	}

	///
	/// This identifies a signature containing the SHA384 hash of an X.509 certificate's
	/// To-Be-Signed contents, and a time of revocation. The SignatureHeader size shall
	/// always be 0. The SignatureSize shall always be 16 (size of the SignatureOwner component)
	/// + 64 bytes for an EFI_CERT_X509_SHA384 structure. If the TimeOfRevocation is non-zero,
	/// the certificate should be considered to be revoked from that time and onwards, and
	/// otherwise the certificate shall be considered to always be revoked.
	///
	#define EFI_CERT_X509_SHA384_GUID \
	{ \
	0x7076876e, 0x80c2, 0x4ee6, {0xaa, 0xd2, 0x28, 0xb3, 0x49, 0xa6, 0x86, 0x5b } \
	}

	///
	/// This identifies a signature containing the SHA512 hash of an X.509 certificate's
	/// To-Be-Signed contents, and a time of revocation. The SignatureHeader size shall
	/// always be 0. The SignatureSize shall always be 16 (size of the SignatureOwner component)
	/// + 80 bytes for an EFI_CERT_X509_SHA512 structure. If the TimeOfRevocation is non-zero,
	/// the certificate should be considered to be revoked from that time and onwards, and
	/// otherwise the certificate shall be considered to always be revoked.
	///
	#define EFI_CERT_X509_SHA512_GUID \
	{ \
	0x446dbf63, 0x2502, 0x4cda, {0xbc, 0xfa, 0x24, 0x65, 0xd2, 0xb0, 0xfe, 0x9d } \
	}

	///
	/// This identifies a signature containing a DER-encoded PKCS #7 version 1.5 [RFC2315]
	/// SignedData value.
	///
	#define EFI_CERT_TYPE_PKCS7_GUID \
	{ \
	0x4aafd29d, 0x68df, 0x49ee, {0x8a, 0xa9, 0x34, 0x7d, 0x37, 0x56, 0x65, 0xa7} \
	}

	// ***********************************************************************
	// Image Execution Information Table Definition
	// ***********************************************************************
	typedef UINT32 EFI_IMAGE_EXECUTION_ACTION;

	#define EFI_IMAGE_EXECUTION_AUTHENTICATION 0x00000007
	#define EFI_IMAGE_EXECUTION_AUTH_UNTESTED 0x00000000
	#define EFI_IMAGE_EXECUTION_AUTH_SIG_FAILED 0x00000001
	#define EFI_IMAGE_EXECUTION_AUTH_SIG_PASSED 0x00000002
	#define EFI_IMAGE_EXECUTION_AUTH_SIG_NOT_FOUND 0x00000003
	#define EFI_IMAGE_EXECUTION_AUTH_SIG_FOUND 0x00000004
	#define EFI_IMAGE_EXECUTION_POLICY_FAILED 0x00000005
	#define EFI_IMAGE_EXECUTION_INITIALIZED 0x00000008

	//
	// EFI_IMAGE_EXECUTION_INFO is added to EFI System Configuration Table
	// and assigned the GUID EFI_IMAGE_SECURITY_DATABASE_GUID.
	//
	typedef struct {
	///
	/// Describes the action taken by the firmware regarding this image.
	///
	EFI_IMAGE_EXECUTION_ACTION Action;
	///
	/// Size of all of the entire structure.
	///
	UINT32 InfoSize;
	///
	/// If this image was a UEFI device driver (for option ROM, for example) this is the
	/// null-terminated, user-friendly name for the device. If the image was for an application,
	/// then this is the name of the application. If this cannot be determined, then a simple
	/// NULL character should be put in this position.
	/// CHAR16 Name[];
	///

	///
	/// For device drivers, this is the device path of the device for which this device driver
	/// was intended. In some cases, the driver itself may be stored as part of the system
	/// firmware, but this field should record the device's path, not the firmware path. For
	/// applications, this is the device path of the application. If this cannot be determined,
	/// a simple end-of-path device node should be put in this position.
	/// EFI_DEVICE_PATH_PROTOCOL DevicePath;
	///

	///
	/// Zero or more image signatures. If the image contained no signatures,
	/// then this field is empty.
	/// EFI_SIGNATURE_LIST Signature;
	///
	} EFI_IMAGE_EXECUTION_INFO;

	typedef struct {
	///
	/// Number of EFI_IMAGE_EXECUTION_INFO structures.
	///
	UINTN NumberOfImages;
	///
	/// Number of image instances of EFI_IMAGE_EXECUTION_INFO structures.
	///
	// EFI_IMAGE_EXECUTION_INFO InformationInfo[]
	} EFI_IMAGE_EXECUTION_INFO_TABLE;

	extern EFI_GUID gEfiImageSecurityDatabaseGuid;
	extern EFI_GUID gEfiCertSha256Guid;
	extern EFI_GUID gEfiCertRsa2048Guid;
	extern EFI_GUID gEfiCertRsa2048Sha256Guid;
	extern EFI_GUID gEfiCertSha1Guid;
	extern EFI_GUID gEfiCertRsa2048Sha1Guid;
	extern EFI_GUID gEfiCertX509Guid;
	extern EFI_GUID gEfiCertSha224Guid;
	extern EFI_GUID gEfiCertSha384Guid;
	extern EFI_GUID gEfiCertSha512Guid;
	extern EFI_GUID gEfiCertX509Sha256Guid;
	extern EFI_GUID gEfiCertX509Sha384Guid;
	extern EFI_GUID gEfiCertX509Sha512Guid;
	extern EFI_GUID gEfiCertPkcs7Guid;

	#endif