MdePkg/Include/Guid/WinCertificate.h

   1 /** @file
   2   GUID for UEFI WIN_CERTIFICATE structure.
   3
   4   Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR>
   5   This program and the accompanying materials
   6   are licensed and made available under the terms and conditions of the BSD License
   7   which accompanies this distribution.  The full text of the license may be found at
   8   http://opensource.org/licenses/bsd-license.php
   9
  10   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  11   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  12
  13   @par Revision Reference:
  14   GUID defined in UEFI 2.0 spec.
  15 **/
  16
  17 #ifndef __EFI_WIN_CERTIFICATE_H__
  18 #define __EFI_WIN_CERTIFICATE_H__
  19
  20 //
  21 // _WIN_CERTIFICATE.wCertificateType
  22 //
  23 #define WIN_CERT_TYPE_PKCS_SIGNED_DATA 0x0002
  24 #define WIN_CERT_TYPE_EFI_PKCS115      0x0EF0
  25 #define WIN_CERT_TYPE_EFI_GUID         0x0EF1
  26
  27 ///
  28 /// The WIN_CERTIFICATE structure is part of the PE/COFF specification.
  29 ///
  30 typedef struct {
  31   ///
  32   /// The length of the entire certificate,
  33   /// including the length of the header, in bytes.
  34   ///
  35   UINT32  dwLength;
  36   ///
  37   /// The revision level of the WIN_CERTIFICATE
  38   /// structure. The current revision level is 0x0200.
  39   ///
  40   UINT16  wRevision;
  41   ///
  42   /// The certificate type. See WIN_CERT_TYPE_xxx for the UEFI
  43   /// certificate types. The UEFI specification reserves the range of
  44   /// certificate type values from 0x0EF0 to 0x0EFF.
  45   ///
  46   UINT16  wCertificateType;
  47   ///
  48   /// The following is the actual certificate. The format of
  49   /// the certificate depends on wCertificateType.
  50   ///
  51   /// UINT8 bCertificate[ANYSIZE_ARRAY];
  52   ///
  53 } WIN_CERTIFICATE;
  54
  55 ///
  56 /// WIN_CERTIFICATE_UEFI_GUID.CertType
  57 ///
  58 #define EFI_CERT_TYPE_RSA2048_SHA256_GUID \
  59   {0xa7717414, 0xc616, 0x4977, {0x94, 0x20, 0x84, 0x47, 0x12, 0xa7, 0x35, 0xbf } }
  60
  61 ///
  62 /// WIN_CERTIFICATE_UEFI_GUID.CertData
  63 ///
  64 typedef struct {
  65   EFI_GUID  HashType;
  66   UINT8     PublicKey[256];
  67   UINT8     Signature[256];
  68 } EFI_CERT_BLOCK_RSA_2048_SHA256;
  69
  70
  71 ///
  72 /// Certificate which encapsulates a GUID-specific digital signature
  73 ///
  74 typedef struct {
  75   ///
  76   /// This is the standard WIN_CERTIFICATE header, where
  77   /// wCertificateType is set to WIN_CERT_TYPE_EFI_GUID.
  78   ///
  79   WIN_CERTIFICATE   Hdr;
  80   ///
  81   /// This is the unique id which determines the
  82   /// format of the CertData. .
  83   ///
  84   EFI_GUID          CertType;
  85   ///
  86   /// The following is the certificate data. The format of
  87   /// the data is determined by the CertType.
  88   /// If CertType is EFI_CERT_TYPE_RSA2048_SHA256_GUID,
  89   /// the CertData will be EFI_CERT_BLOCK_RSA_2048_SHA256 structure.
  90   ///
  91   UINT8            CertData[1];
  92 } WIN_CERTIFICATE_UEFI_GUID;
  93
  94
  95 ///
  96 /// Certificate which encapsulates the RSASSA_PKCS1-v1_5 digital signature.
  97 ///
  98 /// The WIN_CERTIFICATE_UEFI_PKCS1_15 structure is derived from
  99 /// WIN_CERTIFICATE and encapsulate the information needed to
 100 /// implement the RSASSA-PKCS1-v1_5 digital signature algorithm as
 101 /// specified in RFC2437.
 102 ///
 103 typedef struct {
 104   ///
 105   /// This is the standard WIN_CERTIFICATE header, where
 106   /// wCertificateType is set to WIN_CERT_TYPE_UEFI_PKCS1_15.
 107   ///
 108   WIN_CERTIFICATE Hdr;
 109   ///
 110   /// This is the hashing algorithm which was performed on the
 111   /// UEFI executable when creating the digital signature.
 112   ///
 113   EFI_GUID        HashAlgorithm;
 114   ///
 115   /// The following is the actual digital signature. The
 116   /// size of the signature is the same size as the key
 117   /// (1024-bit key is 128 bytes) and can be determined by
 118   /// subtracting the length of the other parts of this header
 119   /// from the total length of the certificate as found in
 120   /// Hdr.dwLength.
 121   ///
 122   /// UINT8 Signature[];
 123   ///
 124 } WIN_CERTIFICATE_EFI_PKCS1_15;
 125
 126 extern EFI_GUID gEfiCertTypeRsa2048Sha256Guid;
 127
 128 #endif