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347 lines
12 KiB
C
347 lines
12 KiB
C
/** @file
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Image signature database are defined for the signed image validation.
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Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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@par Revision Reference:
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GUIDs defined in UEFI 2.5 spec.
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**/
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#ifndef __IMAGE_AUTHTICATION_H__
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#define __IMAGE_AUTHTICATION_H__
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#include <Guid/GlobalVariable.h>
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#include <Protocol/Hash.h>
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#define EFI_IMAGE_SECURITY_DATABASE_GUID \
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{ \
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0xd719b2cb, 0x3d3a, 0x4596, { 0xa3, 0xbc, 0xda, 0xd0, 0xe, 0x67, 0x65, 0x6f } \
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}
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///
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/// Varialbe name with guid EFI_IMAGE_SECURITY_DATABASE_GUID
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/// for the authorized signature database.
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///
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#define EFI_IMAGE_SECURITY_DATABASE L"db"
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///
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/// Varialbe name with guid EFI_IMAGE_SECURITY_DATABASE_GUID
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/// for the forbidden signature database.
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///
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#define EFI_IMAGE_SECURITY_DATABASE1 L"dbx"
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///
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/// Variable name with guid EFI_IMAGE_SECURITY_DATABASE_GUID
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/// for the timestamp signature database.
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///
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#define EFI_IMAGE_SECURITY_DATABASE2 L"dbt"
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#define SECURE_BOOT_MODE_ENABLE 1
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#define SECURE_BOOT_MODE_DISABLE 0
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#define SETUP_MODE 1
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#define USER_MODE 0
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//***********************************************************************
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// Signature Database
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//***********************************************************************
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///
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/// The format of a signature database.
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///
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#pragma pack(1)
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typedef struct {
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///
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/// An identifier which identifies the agent which added the signature to the list.
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///
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EFI_GUID SignatureOwner;
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///
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/// The format of the signature is defined by the SignatureType.
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///
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UINT8 SignatureData[1];
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} EFI_SIGNATURE_DATA;
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typedef struct {
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///
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/// Type of the signature. GUID signature types are defined in below.
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///
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EFI_GUID SignatureType;
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///
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/// Total size of the signature list, including this header.
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///
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UINT32 SignatureListSize;
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///
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/// Size of the signature header which precedes the array of signatures.
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///
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UINT32 SignatureHeaderSize;
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///
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/// Size of each signature.
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///
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UINT32 SignatureSize;
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///
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/// Header before the array of signatures. The format of this header is specified
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/// by the SignatureType.
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/// UINT8 SignatureHeader[SignatureHeaderSize];
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///
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/// An array of signatures. Each signature is SignatureSize bytes in length.
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/// EFI_SIGNATURE_DATA Signatures[][SignatureSize];
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///
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} EFI_SIGNATURE_LIST;
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typedef struct {
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///
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/// The SHA256 hash of an X.509 certificate's To-Be-Signed contents.
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///
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EFI_SHA256_HASH ToBeSignedHash;
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///
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/// The time that the certificate shall be considered to be revoked.
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///
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EFI_TIME TimeOfRevocation;
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} EFI_CERT_X509_SHA256;
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typedef struct {
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///
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/// The SHA384 hash of an X.509 certificate's To-Be-Signed contents.
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///
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EFI_SHA384_HASH ToBeSignedHash;
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///
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/// The time that the certificate shall be considered to be revoked.
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///
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EFI_TIME TimeOfRevocation;
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} EFI_CERT_X509_SHA384;
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typedef struct {
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///
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/// The SHA512 hash of an X.509 certificate's To-Be-Signed contents.
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///
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EFI_SHA512_HASH ToBeSignedHash;
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///
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/// The time that the certificate shall be considered to be revoked.
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///
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EFI_TIME TimeOfRevocation;
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} EFI_CERT_X509_SHA512;
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#pragma pack()
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///
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/// This identifies a signature containing a SHA-256 hash. The SignatureHeader size shall
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/// always be 0. The SignatureSize shall always be 16 (size of SignatureOwner component) +
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/// 32 bytes.
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///
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#define EFI_CERT_SHA256_GUID \
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{ \
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0xc1c41626, 0x504c, 0x4092, {0xac, 0xa9, 0x41, 0xf9, 0x36, 0x93, 0x43, 0x28} \
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}
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///
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/// This identifies a signature containing an RSA-2048 key. The key (only the modulus
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/// since the public key exponent is known to be 0x10001) shall be stored in big-endian
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/// order.
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/// The SignatureHeader size shall always be 0. The SignatureSize shall always be 16 (size
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/// of SignatureOwner component) + 256 bytes.
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///
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#define EFI_CERT_RSA2048_GUID \
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{ \
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0x3c5766e8, 0x269c, 0x4e34, {0xaa, 0x14, 0xed, 0x77, 0x6e, 0x85, 0xb3, 0xb6} \
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}
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///
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/// This identifies a signature containing a RSA-2048 signature of a SHA-256 hash. The
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/// SignatureHeader size shall always be 0. The SignatureSize shall always be 16 (size of
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/// SignatureOwner component) + 256 bytes.
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///
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#define EFI_CERT_RSA2048_SHA256_GUID \
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{ \
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0xe2b36190, 0x879b, 0x4a3d, {0xad, 0x8d, 0xf2, 0xe7, 0xbb, 0xa3, 0x27, 0x84} \
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}
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///
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/// This identifies a signature containing a SHA-1 hash. The SignatureSize shall always
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/// be 16 (size of SignatureOwner component) + 20 bytes.
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///
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#define EFI_CERT_SHA1_GUID \
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{ \
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0x826ca512, 0xcf10, 0x4ac9, {0xb1, 0x87, 0xbe, 0x1, 0x49, 0x66, 0x31, 0xbd} \
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}
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///
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/// TThis identifies a signature containing a RSA-2048 signature of a SHA-1 hash. The
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/// SignatureHeader size shall always be 0. The SignatureSize shall always be 16 (size of
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/// SignatureOwner component) + 256 bytes.
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///
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#define EFI_CERT_RSA2048_SHA1_GUID \
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{ \
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0x67f8444f, 0x8743, 0x48f1, {0xa3, 0x28, 0x1e, 0xaa, 0xb8, 0x73, 0x60, 0x80} \
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}
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///
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/// This identifies a signature based on an X.509 certificate. If the signature is an X.509
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/// certificate then verification of the signature of an image should validate the public
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/// key certificate in the image using certificate path verification, up to this X.509
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/// certificate as a trusted root. The SignatureHeader size shall always be 0. The
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/// SignatureSize may vary but shall always be 16 (size of the SignatureOwner component) +
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/// the size of the certificate itself.
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/// Note: This means that each certificate will normally be in a separate EFI_SIGNATURE_LIST.
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///
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#define EFI_CERT_X509_GUID \
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{ \
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0xa5c059a1, 0x94e4, 0x4aa7, {0x87, 0xb5, 0xab, 0x15, 0x5c, 0x2b, 0xf0, 0x72} \
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}
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///
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/// This identifies a signature containing a SHA-224 hash. The SignatureHeader size shall
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/// always be 0. The SignatureSize shall always be 16 (size of SignatureOwner component) +
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/// 28 bytes.
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///
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#define EFI_CERT_SHA224_GUID \
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{ \
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0xb6e5233, 0xa65c, 0x44c9, {0x94, 0x7, 0xd9, 0xab, 0x83, 0xbf, 0xc8, 0xbd} \
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}
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///
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/// This identifies a signature containing a SHA-384 hash. The SignatureHeader size shall
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/// always be 0. The SignatureSize shall always be 16 (size of SignatureOwner component) +
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/// 48 bytes.
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///
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#define EFI_CERT_SHA384_GUID \
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{ \
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0xff3e5307, 0x9fd0, 0x48c9, {0x85, 0xf1, 0x8a, 0xd5, 0x6c, 0x70, 0x1e, 0x1} \
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}
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///
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/// This identifies a signature containing a SHA-512 hash. The SignatureHeader size shall
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/// always be 0. The SignatureSize shall always be 16 (size of SignatureOwner component) +
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/// 64 bytes.
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///
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#define EFI_CERT_SHA512_GUID \
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{ \
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0x93e0fae, 0xa6c4, 0x4f50, {0x9f, 0x1b, 0xd4, 0x1e, 0x2b, 0x89, 0xc1, 0x9a} \
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}
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///
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/// This identifies a signature containing the SHA256 hash of an X.509 certificate's
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/// To-Be-Signed contents, and a time of revocation. The SignatureHeader size shall
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/// always be 0. The SignatureSize shall always be 16 (size of the SignatureOwner component)
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/// + 48 bytes for an EFI_CERT_X509_SHA256 structure. If the TimeOfRevocation is non-zero,
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/// the certificate should be considered to be revoked from that time and onwards, and
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/// otherwise the certificate shall be considered to always be revoked.
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///
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#define EFI_CERT_X509_SHA256_GUID \
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{ \
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0x3bd2a492, 0x96c0, 0x4079, {0xb4, 0x20, 0xfc, 0xf9, 0x8e, 0xf1, 0x03, 0xed } \
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}
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///
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/// This identifies a signature containing the SHA384 hash of an X.509 certificate's
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/// To-Be-Signed contents, and a time of revocation. The SignatureHeader size shall
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/// always be 0. The SignatureSize shall always be 16 (size of the SignatureOwner component)
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/// + 64 bytes for an EFI_CERT_X509_SHA384 structure. If the TimeOfRevocation is non-zero,
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/// the certificate should be considered to be revoked from that time and onwards, and
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/// otherwise the certificate shall be considered to always be revoked.
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///
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#define EFI_CERT_X509_SHA384_GUID \
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{ \
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0x7076876e, 0x80c2, 0x4ee6, {0xaa, 0xd2, 0x28, 0xb3, 0x49, 0xa6, 0x86, 0x5b } \
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}
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///
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/// This identifies a signature containing the SHA512 hash of an X.509 certificate's
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/// To-Be-Signed contents, and a time of revocation. The SignatureHeader size shall
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/// always be 0. The SignatureSize shall always be 16 (size of the SignatureOwner component)
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/// + 80 bytes for an EFI_CERT_X509_SHA512 structure. If the TimeOfRevocation is non-zero,
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/// the certificate should be considered to be revoked from that time and onwards, and
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/// otherwise the certificate shall be considered to always be revoked.
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///
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#define EFI_CERT_X509_SHA512_GUID \
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{ \
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0x446dbf63, 0x2502, 0x4cda, {0xbc, 0xfa, 0x24, 0x65, 0xd2, 0xb0, 0xfe, 0x9d } \
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}
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///
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/// This identifies a signature containing a DER-encoded PKCS #7 version 1.5 [RFC2315]
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/// SignedData value.
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///
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#define EFI_CERT_TYPE_PKCS7_GUID \
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{ \
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0x4aafd29d, 0x68df, 0x49ee, {0x8a, 0xa9, 0x34, 0x7d, 0x37, 0x56, 0x65, 0xa7} \
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}
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//***********************************************************************
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// Image Execution Information Table Definition
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//***********************************************************************
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typedef UINT32 EFI_IMAGE_EXECUTION_ACTION;
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#define EFI_IMAGE_EXECUTION_AUTHENTICATION 0x00000007
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#define EFI_IMAGE_EXECUTION_AUTH_UNTESTED 0x00000000
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#define EFI_IMAGE_EXECUTION_AUTH_SIG_FAILED 0x00000001
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#define EFI_IMAGE_EXECUTION_AUTH_SIG_PASSED 0x00000002
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#define EFI_IMAGE_EXECUTION_AUTH_SIG_NOT_FOUND 0x00000003
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#define EFI_IMAGE_EXECUTION_AUTH_SIG_FOUND 0x00000004
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#define EFI_IMAGE_EXECUTION_POLICY_FAILED 0x00000005
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#define EFI_IMAGE_EXECUTION_INITIALIZED 0x00000008
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//
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// EFI_IMAGE_EXECUTION_INFO is added to EFI System Configuration Table
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// and assigned the GUID EFI_IMAGE_SECURITY_DATABASE_GUID.
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//
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typedef struct {
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///
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/// Describes the action taken by the firmware regarding this image.
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///
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EFI_IMAGE_EXECUTION_ACTION Action;
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///
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/// Size of all of the entire structure.
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///
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UINT32 InfoSize;
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///
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/// If this image was a UEFI device driver (for option ROM, for example) this is the
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/// null-terminated, user-friendly name for the device. If the image was for an application,
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/// then this is the name of the application. If this cannot be determined, then a simple
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/// NULL character should be put in this position.
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/// CHAR16 Name[];
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///
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///
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/// For device drivers, this is the device path of the device for which this device driver
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/// was intended. In some cases, the driver itself may be stored as part of the system
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/// firmware, but this field should record the device's path, not the firmware path. For
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/// applications, this is the device path of the application. If this cannot be determined,
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/// a simple end-of-path device node should be put in this position.
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/// EFI_DEVICE_PATH_PROTOCOL DevicePath;
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///
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///
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/// Zero or more image signatures. If the image contained no signatures,
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/// then this field is empty.
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/// EFI_SIGNATURE_LIST Signature;
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///
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} EFI_IMAGE_EXECUTION_INFO;
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typedef struct {
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///
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/// Number of EFI_IMAGE_EXECUTION_INFO structures.
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///
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UINTN NumberOfImages;
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///
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/// Number of image instances of EFI_IMAGE_EXECUTION_INFO structures.
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///
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// EFI_IMAGE_EXECUTION_INFO InformationInfo[]
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} EFI_IMAGE_EXECUTION_INFO_TABLE;
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extern EFI_GUID gEfiImageSecurityDatabaseGuid;
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extern EFI_GUID gEfiCertSha256Guid;
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extern EFI_GUID gEfiCertRsa2048Guid;
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extern EFI_GUID gEfiCertRsa2048Sha256Guid;
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extern EFI_GUID gEfiCertSha1Guid;
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extern EFI_GUID gEfiCertRsa2048Sha1Guid;
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extern EFI_GUID gEfiCertX509Guid;
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extern EFI_GUID gEfiCertSha224Guid;
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extern EFI_GUID gEfiCertSha384Guid;
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extern EFI_GUID gEfiCertSha512Guid;
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extern EFI_GUID gEfiCertX509Sha256Guid;
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extern EFI_GUID gEfiCertX509Sha384Guid;
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extern EFI_GUID gEfiCertX509Sha512Guid;
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extern EFI_GUID gEfiCertPkcs7Guid;
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#endif
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