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[mirror_edk2.git] / MdePkg / Include / Uefi / UefiMultiPhase.h

/** @file\r
  This includes some definitions introduced in UEFI that will be used in both PEI and DXE phases.\r
\r
  Copyright (c) 2006, Intel Corporation                                                         \r
  All rights reserved. This program and the accompanying materials                          \r
  are licensed and made available under the terms and conditions of the BSD License         \r
  which accompanies this distribution.  The full text of the license may be found at        \r
  http://opensource.org/licenses/bsd-license.php                                            \r
\r
  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,                     \r
  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.             \r
\r
**/\r
\r
#ifndef __UEFI_MULTIPHASE_H__\r
#define __UEFI_MULTIPHASE_H__\r
\r
#include <ProcessorBind.h>\r
\r
///\r
/// Enumeration of memory types introduced in UEFI.\r
/// \r
typedef enum {\r
  EfiReservedMemoryType,\r
  EfiLoaderCode,\r
  EfiLoaderData,\r
  EfiBootServicesCode,\r
  EfiBootServicesData,\r
  EfiRuntimeServicesCode,\r
  EfiRuntimeServicesData,\r
  EfiConventionalMemory,\r
  EfiUnusableMemory,\r
  EfiACPIReclaimMemory,\r
  EfiACPIMemoryNVS,\r
  EfiMemoryMappedIO,\r
  EfiMemoryMappedIOPortSpace,\r
  EfiPalCode,\r
  EfiMaxMemoryType\r
} EFI_MEMORY_TYPE;\r
\r
\r
///\r
/// Data structure that precedes all of the standard EFI table types.\r
/// \r
typedef struct {\r
  UINT64  Signature;\r
  UINT32  Revision;\r
  UINT32  HeaderSize;\r
  UINT32  CRC32;\r
  UINT32  Reserved;\r
} EFI_TABLE_HEADER;\r
\r
///\r
/// Attributes of variable.\r
/// \r
#define EFI_VARIABLE_NON_VOLATILE                 0x00000001\r
#define EFI_VARIABLE_BOOTSERVICE_ACCESS           0x00000002\r
#define EFI_VARIABLE_RUNTIME_ACCESS               0x00000004\r
#define EFI_VARIABLE_HARDWARE_ERROR_RECORD        0x00000008\r
\r
///\r
/// This attribute is identified by the mnemonic 'HR' \r
/// elsewhere in this specification.\r
/// \r
#define EFI_VARIABLE_AUTHENTICATED_WRITE_ACCESS   0x00000010\r
\r
//\r
// _WIN_CERTIFICATE.wCertificateType\r
// \r
#define WIN_CERT_TYPE_EFI_PKCS115   0x0EF0\r
#define WIN_CERT_TYPE_EFI_GUID      0x0EF1\r
\r
/**\r
   \r
  The WIN_CERTIFICATE structure is part of the PE/COFF\r
  specification and has the following definition:\r
\r
  @param dwLength   The length of the entire certificate,\r
                    including the length of the header, in\r
                    bytes.\r
\r
  @param wRevision  The revision level of the WIN_CERTIFICATE\r
                    structure. The current revision level is\r
                    0x0200.\r
\r
  @param wCertificateType   The certificate type. See\r
                            WIN_CERT_TYPE_xxx for the UEFI\r
                            certificate types. The UEFI\r
                            specification reserves the range of\r
                            certificate type values from 0x0EF0\r
                            to 0x0EFF.\r
\r
  @param bCertificate   The actual certificate. The format of\r
                        the certificate depends on\r
                        wCertificateType. The format of the UEFI\r
                        certificates is defined below.\r
\r
\r
**/\r
typedef struct _WIN_CERTIFICATE {\r
  UINT32  dwLength;\r
  UINT16  wRevision;\r
  UINT16  wCertificateType;\r
  //UINT8 bCertificate[ANYSIZE_ARRAY];\r
} WIN_CERTIFICATE;\r
\r
///\r
/// WIN_CERTIFICATE_UEFI_GUID.CertType\r
/// \r
#define EFI_CERT_TYPE_RSA2048_SHA256_GUID \\r
  {0xa7717414, 0xc616, 0x4977, {0x94, 0x20, 0x84, 0x47, 0x12, 0xa7, 0x35, 0xbf } }\r
\r
///\r
/// WIN_CERTIFICATE_UEFI_GUID.CertData\r
/// \r
typedef struct _EFI_CERT_BLOCK_RSA_2048_SHA256 {\r
  UINT32  HashType;\r
  UINT8   PublicKey[256];\r
  UINT8   Signature[256];\r
} EFI_CERT_BLOCK_RSA_2048_SHA256;\r
\r
\r
/**\r
   \r
  @param Hdr  This is the standard WIN_CERTIFICATE header, where\r
              wCertificateType is set to\r
              WIN_CERT_TYPE_UEFI_GUID.\r
\r
  @param CertType   This is the unique id which determines the\r
                    format of the CertData. In this case, the\r
                    value is EFI_CERT_TYPE_RSA2048_SHA256_GUID.\r
\r
  @param CertData   This is the certificate data. The format of\r
                    the data is determined by the CertType. In\r
                    this case the value is\r
                    EFI_CERT_BLOCK_RSA_2048_SHA256.\r
\r
**/\r
typedef struct _WIN_CERTIFICATE_UEFI_GUID {\r
  WIN_CERTIFICATE   Hdr;\r
  EFI_GUID          CertType;\r
  // UINT8            CertData[ANYSIZE_ARRAY];\r
} WIN_CERTIFICATE_UEFI_GUID;\r
\r
\r
/**\r
   \r
  Certificate which encapsulates the RSASSA_PKCS1-v1_5 digital\r
  signature.\r
  \r
  The WIN_CERTIFICATE_UEFI_PKCS1_15 structure is derived from\r
  WIN_CERTIFICATE and encapsulate the information needed to  \r
  implement the RSASSA-PKCS1-v1_5 digital signature algorithm as  \r
  specified in RFC2437.  \r
  \r
  @param Hdr  This is the standard WIN_CERTIFICATE header, where\r
              wCertificateType is set to\r
              WIN_CERT_TYPE_UEFI_PKCS1_15.\r
  \r
  @param HashAlgorithm  This is the hashing algorithm which was\r
                        performed on the UEFI executable when\r
                        creating the digital signature. It is\r
                        one of the enumerated values pre-defined\r
                        in Section 26.4.1. See\r
                        EFI_HASH_ALGORITHM_x.\r
  \r
  @param Signature  This is the actual digital signature. The\r
                    size of the signature is the same size as\r
                    the key (1024-bit key is 128 bytes) and can\r
                    be determined by subtracting the length of\r
                    the other parts of this header from the\r
                    total length of the certificate as found in\r
                    Hdr.dwLength.\r
\r
**/\r
typedef struct _WIN_CERTIFICATE_EFI_PKCS1_15 {\r
  WIN_CERTIFICATE Hdr;\r
  EFI_GUID        HashAlgorithm;\r
  // UINT8 Signature[ANYSIZE_ARRAY];\r
} WIN_CERTIFICATE_EFI_PKCS1_15;\r
\r
\r
/**\r
   \r
  AuthInfo is a WIN_CERTIFICATE using the wCertificateType\r
  WIN_CERTIFICATE_UEFI_GUID and the CertType\r
  EFI_CERT_TYPE_RSA2048_SHA256. If the attribute specifies\r
  authenticated access, then the Data buffer should begin with an\r
  authentication descriptor prior to the data payload and DataSize\r
  should reflect the the data.and descriptor size. The caller\r
  shall digest the Monotonic Count value and the associated data\r
  for the variable update using the SHA-256 1-way hash algorithm.\r
  The ensuing the 32-byte digest will be signed using the private\r
  key associated w/ the public/private 2048-bit RSA key-pair. The\r
  WIN_CERTIFICATE shall be used to describe the signature of the\r
  Variable data *Data. In addition, the signature will also\r
  include the MonotonicCount value to guard against replay attacks\r
  \r
  @param  MonotonicCount  Included in the signature of\r
                          AuthInfo.Used to ensure freshness/no\r
                          replay. Incremented during each\r
                          "Write" access.\r
  \r
  @param AuthInfo   Provides the authorization for the variable\r
                    access. It is a signature across the\r
                    variable data and the  Monotonic Count\r
                    value. Caller uses Private key that is\r
                    associated with a public key that has been\r
                    provisioned via the key exchange.\r
\r
**/\r
typedef struct {\r
  UINT64                      MonotonicCount;\r
  WIN_CERTIFICATE_UEFI_GUID   AuthInfo;\r
} EFI_VARIABLE_AUTHENTICATION;\r
\r
#endif\r
\r