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227 lines
7.3 KiB
C
227 lines
7.3 KiB
C
/** @file
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This includes some definitions introduced in UEFI that will be used in both PEI
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and DXE phases.
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(C) Copyright 2015 Hewlett-Packard Development Company, L.P.<BR>
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Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef __UEFI_MULTIPHASE_H__
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#define __UEFI_MULTIPHASE_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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EfiPersistentMemory,
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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
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specification and has the following definition:
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@param dwLength The length of the entire certificate,
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including the length of the header, in
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bytes.
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@param wRevision The revision level of the WIN_CERTIFICATE
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structure. The current revision level is
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0x0200.
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@param wCertificateType The certificate type. See
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WIN_CERT_TYPE_xxx for the UEFI
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certificate types. The UEFI
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specification reserves the range of
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certificate type values from 0x0EF0
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to 0x0EFF.
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@param bCertificate The actual certificate. The format of
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the certificate depends on
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wCertificateType. The format of the UEFI
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certificates is defined below.
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**/
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typedef struct _WIN_CERTIFICATE {
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UINT32 dwLength;
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UINT16 wRevision;
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UINT16 wCertificateType;
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//UINT8 bCertificate[ANYSIZE_ARRAY];
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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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EFI_GUID 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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@param Hdr This is the standard WIN_CERTIFICATE header, where
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wCertificateType is set to
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WIN_CERT_TYPE_EFI_GUID.
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@param CertType 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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@param CertData This is the certificate data. The format of
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the data is determined by the CertType. In
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this case the value is
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EFI_CERT_BLOCK_RSA_2048_SHA256.
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@param Information The WIN_CERTIFICATE_UEFI_GUID certificate
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type allows new types of certificates to
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be developed for driver authentication
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without requiring a new certificate type.
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The CertType defines the format of the
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CertData, which length is defined by the
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size of the certificate less the fixed
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size of the WIN_CERTIFICATE_UEFI_GUID
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structure.
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**/
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typedef struct _WIN_CERTIFICATE_UEFI_GUID {
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WIN_CERTIFICATE Hdr;
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EFI_GUID CertType;
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UINT8 CertData[1];
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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
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signature.
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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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@param Hdr This is the standard WIN_CERTIFICATE header, where
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wCertificateType is set to
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WIN_CERT_TYPE_UEFI_PKCS1_15.
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@param HashAlgorithm This is the hashing algorithm which was
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performed on the UEFI executable when
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creating the digital signature. It is
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one of the enumerated values pre-defined
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in Section 26.4.1. See
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EFI_HASH_ALGORITHM_x.
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@param Signature This is the actual digital signature. The
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size of the signature is the same size as
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the key (1024-bit key is 128 bytes) and can
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be determined by subtracting the length of
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the other parts of this header from the
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total length of the certificate as found in
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Hdr.dwLength.
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**/
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typedef struct _WIN_CERTIFICATE_EFI_PKCS1_15 {
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WIN_CERTIFICATE Hdr;
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EFI_GUID HashAlgorithm;
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// UINT8 Signature[ANYSIZE_ARRAY];
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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 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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@param MonotonicCount 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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@param AuthInfo 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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typedef struct {
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UINT64 MonotonicCount;
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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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