mirror of https://github.com/acidanthera/audk.git
211 lines
6.9 KiB
C
211 lines
6.9 KiB
C
/** @file
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This includes some definitions introduced in UEFI that will be used in both PEI and DXE phases.
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Copyright (c) 2006 - 2008, Intel Corporation
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All rights reserved. This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#ifndef __UEFI_MULTIPHASE_H__
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#define __UEFI_MULTIPHASE_H__
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#include <ProcessorBind.h>
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///
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/// Enumeration of memory types introduced in UEFI.
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///
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typedef enum {
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EfiReservedMemoryType,
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EfiLoaderCode,
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EfiLoaderData,
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EfiBootServicesCode,
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EfiBootServicesData,
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EfiRuntimeServicesCode,
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EfiRuntimeServicesData,
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EfiConventionalMemory,
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EfiUnusableMemory,
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EfiACPIReclaimMemory,
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EfiACPIMemoryNVS,
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EfiMemoryMappedIO,
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EfiMemoryMappedIOPortSpace,
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EfiPalCode,
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EfiMaxMemoryType
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} EFI_MEMORY_TYPE;
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///
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/// Data structure that precedes all of the standard EFI table types.
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///
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typedef struct {
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UINT64 Signature;
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UINT32 Revision;
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UINT32 HeaderSize;
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UINT32 CRC32;
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UINT32 Reserved;
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} EFI_TABLE_HEADER;
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///
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/// Attributes of variable.
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///
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#define EFI_VARIABLE_NON_VOLATILE 0x00000001
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#define EFI_VARIABLE_BOOTSERVICE_ACCESS 0x00000002
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#define EFI_VARIABLE_RUNTIME_ACCESS 0x00000004
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#define EFI_VARIABLE_HARDWARE_ERROR_RECORD 0x00000008
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///
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/// This attribute is identified by the mnemonic 'HR'
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/// elsewhere in this specification.
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///
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#define EFI_VARIABLE_AUTHENTICATED_WRITE_ACCESS 0x00000010
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//
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// _WIN_CERTIFICATE.wCertificateType
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//
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#define WIN_CERT_TYPE_EFI_PKCS115 0x0EF0
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#define WIN_CERT_TYPE_EFI_GUID 0x0EF1
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///
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/// The WIN_CERTIFICATE structure is part of the PE/COFF specification.
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///
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typedef struct _WIN_CERTIFICATE {
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///
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/// The length of the entire certificate,
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/// including the length of the header, in bytes.
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///
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UINT32 dwLength;
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///
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/// The revision level of the WIN_CERTIFICATE
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/// structure. The current revision level is 0x0200.
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///
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UINT16 wRevision;
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///
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/// The certificate type. See WIN_CERT_TYPE_xxx for the UEFI
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/// certificate types. The UEFI specification reserves the range of
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/// certificate type values from 0x0EF0 to 0x0EFF.
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///
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UINT16 wCertificateType;
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///
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/// The following is the actual certificate. The format of
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/// the certificate depends on wCertificateType.
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///
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/// UINT8 bCertificate[ANYSIZE_ARRAY];
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///
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} WIN_CERTIFICATE;
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///
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/// WIN_CERTIFICATE_UEFI_GUID.CertType
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///
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#define EFI_CERT_TYPE_RSA2048_SHA256_GUID \
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{0xa7717414, 0xc616, 0x4977, {0x94, 0x20, 0x84, 0x47, 0x12, 0xa7, 0x35, 0xbf } }
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//
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// WIN_CERTIFICATE_UEFI_GUID.CertData
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//
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typedef struct _EFI_CERT_BLOCK_RSA_2048_SHA256 {
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UINT32 HashType;
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UINT8 PublicKey[256];
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UINT8 Signature[256];
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} EFI_CERT_BLOCK_RSA_2048_SHA256;
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///
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/// Certificate which encapsulates a GUID-specific digital signature
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///
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typedef struct _WIN_CERTIFICATE_UEFI_GUID {
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///
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/// This is the standard WIN_CERTIFICATE header, where
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/// wCertificateType is set to WIN_CERT_TYPE_UEFI_GUID.
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///
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WIN_CERTIFICATE Hdr;
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///
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/// This is the unique id which determines the
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/// format of the CertData. In this case, the
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/// value is EFI_CERT_TYPE_RSA2048_SHA256_GUID.
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///
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EFI_GUID CertType;
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///
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/// The following is the certificate data. The format of
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/// the data is determined by the CertType. In this case the value is
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/// EFI_CERT_BLOCK_RSA_2048_SHA256.
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///
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/// UINT8 CertData[ANYSIZE_ARRAY];
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///
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} WIN_CERTIFICATE_UEFI_GUID;
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///
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/// Certificate which encapsulates the RSASSA_PKCS1-v1_5 digital signature.
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///
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/// The WIN_CERTIFICATE_UEFI_PKCS1_15 structure is derived from
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/// WIN_CERTIFICATE and encapsulate the information needed to
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/// implement the RSASSA-PKCS1-v1_5 digital signature algorithm as
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/// specified in RFC2437.
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///
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typedef struct _WIN_CERTIFICATE_EFI_PKCS1_15 {
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///
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/// This is the standard WIN_CERTIFICATE header, where
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/// wCertificateType is set to WIN_CERT_TYPE_UEFI_PKCS1_15.
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///
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WIN_CERTIFICATE Hdr;
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///
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/// This is the hashing algorithm which was performed on the
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/// UEFI executable when creating the digital signature.
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///
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EFI_GUID HashAlgorithm;
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///
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/// The following is the actual digital signature. The
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/// size of the signature is the same size as the key
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/// (1024-bit key is 128 bytes) and can be determined by
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/// subtracting the length of the other parts of this header
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/// from the total length of the certificate as found in
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/// Hdr.dwLength.
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///
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/// UINT8 Signature[ANYSIZE_ARRAY];
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///
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} WIN_CERTIFICATE_EFI_PKCS1_15;
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///
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/// AuthInfo is a WIN_CERTIFICATE using the wCertificateType
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/// WIN_CERTIFICATE_UEFI_GUID and the CertType
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/// EFI_CERT_TYPE_RSA2048_SHA256. If the attribute specifies
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/// authenticated access, then the Data buffer should begin with an
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/// authentication descriptor prior to the data payload and DataSize
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/// should reflect the the data.and descriptor size. The caller
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/// shall digest the Monotonic Count value and the associated data
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/// for the variable update using the SHA-256 1-way hash algorithm.
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/// The ensuing the 32-byte digest will be signed using the private
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/// key associated w/ the public/private 2048-bit RSA key-pair. The
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/// WIN_CERTIFICATE shall be used to describe the signature of the
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/// Variable data *Data. In addition, the signature will also
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/// include the MonotonicCount value to guard against replay attacks
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///
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typedef struct {
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///
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/// Included in the signature of
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/// AuthInfo.Used to ensure freshness/no
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/// replay. Incremented during each
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/// "Write" access.
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///
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UINT64 MonotonicCount;
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///
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/// Provides the authorization for the variable
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/// access. It is a signature across the
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/// variable data and the Monotonic Count
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/// value. Caller uses Private key that is
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/// associated with a public key that has been
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/// provisioned via the key exchange.
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///
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WIN_CERTIFICATE_UEFI_GUID AuthInfo;
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} EFI_VARIABLE_AUTHENTICATION;
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#endif
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