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Clean up efiauthenticated.h a lot.

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Signed-off-by: Peter Jones <pjones@redhat.com>
This commit is contained in:
Peter Jones 2017-10-23 13:30:11 -04:00 committed by Peter Jones
parent 1f1ec4cea8
commit 324db6bbab
1 changed files with 153 additions and 159 deletions
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312
include/efiauthenticated.h
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@ -2,214 +2,208 @@
#define SHIM_EFIAUTHENTICATED_H
#include <wincert.h>
//***********************************************************************
// Signature Database
//***********************************************************************
///
/// The format of a signature database.
///
/***********************************************************************
* Signature Database
***********************************************************************/
/*
* The format of a signature database.
*/
#pragma pack(1)
typedef struct {
///
/// An identifier which identifies the agent which added the signature to the list.
///
EFI_GUID SignatureOwner;
///
/// The format of the signature is defined by the SignatureType.
///
UINT8 SignatureData[1];
/*
* An identifier which identifies the agent which added the signature to
* the list.
*/
EFI_GUID SignatureOwner;
/*
* The format of the signature is defined by the SignatureType.
*/
UINT8 SignatureData[1];
} EFI_SIGNATURE_DATA;
typedef struct {
///
/// Type of the signature. GUID signature types are defined in below.
///
EFI_GUID SignatureType;
///
/// Total size of the signature list, including this header.
///
UINT32 SignatureListSize;
///
/// Size of the signature header which precedes the array of signatures.
///
UINT32 SignatureHeaderSize;
///
/// Size of each signature.
///
UINT32 SignatureSize;
///
/// Header before the array of signatures. The format of this header is specified
/// by the SignatureType.
/// UINT8 SignatureHeader[SignatureHeaderSize];
///
/// An array of signatures. Each signature is SignatureSize bytes in length.
/// EFI_SIGNATURE_DATA Signatures[][SignatureSize];
///
/*
* Type of the signature. GUID signature types are defined below.
*/
EFI_GUID SignatureType;
/*
* Total size of the signature list, including this header.
*/
UINT32 SignatureListSize;
/*
* Size of the signature header which precedes the array of signatures.
*/
UINT32 SignatureHeaderSize;
/*
* Size of each signature.
*/
UINT32 SignatureSize;
/*
* Header before the array of signatures. The format of this header is
* specified by the SignatureType.
*/
//UINT8 SignatureHeader[SignatureHeaderSize];
/*
* An array of signatures. Each signature is SignatureSize bytes in length.
*/
//EFI_SIGNATURE_DATA Signatures[][SignatureSize];
} EFI_SIGNATURE_LIST;
#pragma pack()
//
// _WIN_CERTIFICATE.wCertificateType
//
/*
* WIN_CERTIFICATE.wCertificateType
*/
#define WIN_CERT_TYPE_PKCS_SIGNED_DATA 0x0002
#define WIN_CERT_TYPE_EFI_PKCS115 0x0EF0
#define WIN_CERT_TYPE_EFI_GUID 0x0EF1
#define EFI_CERT_X509_GUID \
(EFI_GUID){ \
(EFI_GUID) { \
0xa5c059a1, 0x94e4, 0x4aa7, {0x87, 0xb5, 0xab, 0x15, 0x5c, 0x2b, 0xf0, 0x72} \
}
#define EFI_CERT_RSA2048_GUID \
(EFI_GUID){ \
(EFI_GUID) { \
0x3c5766e8, 0x269c, 0x4e34, {0xaa, 0x14, 0xed, 0x77, 0x6e, 0x85, 0xb3, 0xb6} \
}
#define EFI_CERT_TYPE_PKCS7_GUID \
(EFI_GUID){ \
(EFI_GUID) { \
0x4aafd29d, 0x68df, 0x49ee, {0x8a, 0xa9, 0x34, 0x7d, 0x37, 0x56, 0x65, 0xa7} \
}
///
/// WIN_CERTIFICATE_UEFI_GUID.CertType
///
/*
* WIN_CERTIFICATE_UEFI_GUID.CertType
*/
#define EFI_CERT_TYPE_RSA2048_SHA256_GUID \
{0xa7717414, 0xc616, 0x4977, {0x94, 0x20, 0x84, 0x47, 0x12, 0xa7, 0x35, 0xbf } }
///
/// WIN_CERTIFICATE_UEFI_GUID.CertData
///
/*
* WIN_CERTIFICATE_UEFI_GUID.CertData
*/
typedef struct {
EFI_GUID HashType;
UINT8 PublicKey[256];
UINT8 Signature[256];
EFI_GUID HashType;
UINT8 PublicKey[256];
UINT8 Signature[256];
} EFI_CERT_BLOCK_RSA_2048_SHA256;
///
/// Certificate which encapsulates a GUID-specific digital signature
///
/*
* Certificate which encapsulates a GUID-specific digital signature
*/
typedef struct {
///
/// This is the standard WIN_CERTIFICATE header, where
/// wCertificateType is set to WIN_CERT_TYPE_UEFI_GUID.
///
WIN_CERTIFICATE Hdr;
///
/// This is the unique id which determines the
/// format of the CertData. .
///
EFI_GUID CertType;
///
/// The following is the certificate data. The format of
/// the data is determined by the CertType.
/// If CertType is EFI_CERT_TYPE_RSA2048_SHA256_GUID,
/// the CertData will be EFI_CERT_BLOCK_RSA_2048_SHA256 structure.
///
UINT8 CertData[1];
/*
* This is the standard WIN_CERTIFICATE header, where wCertificateType is
* set to WIN_CERT_TYPE_UEFI_GUID.
*/
WIN_CERTIFICATE Hdr;
/*
* This is the unique id which determines the format of the CertData.
*/
EFI_GUID CertType;
/*
* The following is the certificate data. The format of the data is
* determined by the CertType. If CertType is
* EFI_CERT_TYPE_RSA2048_SHA256_GUID, the CertData will be
* EFI_CERT_BLOCK_RSA_2048_SHA256 structure.
*/
UINT8 CertData[1];
} WIN_CERTIFICATE_UEFI_GUID;
///
/// Certificate which encapsulates the RSASSA_PKCS1-v1_5 digital signature.
///
/// The WIN_CERTIFICATE_UEFI_PKCS1_15 structure is derived from
/// WIN_CERTIFICATE and encapsulate the information needed to
/// implement the RSASSA-PKCS1-v1_5 digital signature algorithm as
/// specified in RFC2437.
///
typedef struct {
///
/// This is the standard WIN_CERTIFICATE header, where
/// wCertificateType is set to WIN_CERT_TYPE_UEFI_PKCS1_15.
///
WIN_CERTIFICATE Hdr;
///
/// This is the hashing algorithm which was performed on the
/// UEFI executable when creating the digital signature.
///
EFI_GUID HashAlgorithm;
///
/// The following is the actual digital signature. The
/// size of the signature is the same size as the key
/// (1024-bit key is 128 bytes) and can be determined by
/// subtracting the length of the other parts of this header
/// from the total length of the certificate as found in
/// Hdr.dwLength.
///
/// UINT8 Signature[];
///
/*
* Certificate which encapsulates the RSASSA_PKCS1-v1_5 digital signature.
*
* The WIN_CERTIFICATE_UEFI_PKCS1_15 structure is derived from
* WIN_CERTIFICATE and encapsulate the information needed to implement the
* RSASSA-PKCS1-v1_5 digital signature algorithm as specified in RFC2437.
*/
typedef struct {
/*
* This is the standard WIN_CERTIFICATE header, where
* wCertificateType is set to WIN_CERT_TYPE_UEFI_PKCS1_15.
*/
WIN_CERTIFICATE Hdr;
/*
* This is the hashing algorithm which was performed on the UEFI
* executable when creating the digital signature.
*/
EFI_GUID HashAlgorithm;
/*
* The following is the actual digital signature. The size of the
* signature is the same size as the key (1024-bit key is 128 bytes)
* and can be determined by subtracting the length of the other parts
* of this header from the total length of the certificate as found
* in Hdr.dwLength.
*/
//UINT8 Signature[];
} WIN_CERTIFICATE_EFI_PKCS1_15;
#define OFFSET_OF(TYPE, Field) ((UINTN) &(((TYPE *)0)->Field))
///
/// Attributes of Authenticated Variable
///
/*
* Attributes of Authenticated Variable
*/
#define EFI_VARIABLE_AUTHENTICATED_WRITE_ACCESS 0x00000010
#define EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS 0x00000020
#define EFI_VARIABLE_APPEND_WRITE 0x00000040
///
/// AuthInfo is a WIN_CERTIFICATE using the wCertificateType
/// WIN_CERTIFICATE_UEFI_GUID and the CertType
/// EFI_CERT_TYPE_RSA2048_SHA256_GUID. If the attribute specifies
/// authenticated access, then the Data buffer should begin with an
/// authentication descriptor prior to the data payload and DataSize
/// should reflect the the data.and descriptor size. The caller
/// shall digest the Monotonic Count value and the associated data
/// for the variable update using the SHA-256 1-way hash algorithm.
/// The ensuing the 32-byte digest will be signed using the private
/// key associated w/ the public/private 2048-bit RSA key-pair. The
/// WIN_CERTIFICATE shall be used to describe the signature of the
/// Variable data *Data. In addition, the signature will also
/// include the MonotonicCount value to guard against replay attacks.
///
/*
* AuthInfo is a WIN_CERTIFICATE using the wCertificateType
* WIN_CERTIFICATE_UEFI_GUID and the CertType
* EFI_CERT_TYPE_RSA2048_SHA256_GUID. If the attribute specifies
* authenticated access, then the Data buffer should begin with an
* authentication descriptor prior to the data payload and DataSize should
* reflect the the data.and descriptor size. The caller shall digest the
* Monotonic Count value and the associated data for the variable update
* using the SHA-256 1-way hash algorithm. The ensuing the 32-byte digest
* will be signed using the private key associated w/ the public/private
* 2048-bit RSA key-pair. The WIN_CERTIFICATE shall be used to describe the
* signature of the Variable data *Data. In addition, the signature will also
* include the MonotonicCount value to guard against replay attacks.
*/
typedef struct {
///
/// Included in the signature of
/// AuthInfo.Used to ensure freshness/no
/// replay. Incremented during each
/// "Write" access.
///
UINT64 MonotonicCount;
///
/// Provides the authorization for the variable
/// access. It is a signature across the
/// variable data and the Monotonic Count
/// value. Caller uses Private key that is
/// associated with a public key that has been
/// provisioned via the key exchange.
///
WIN_CERTIFICATE_UEFI_GUID AuthInfo;
/*
* Included in the signature of AuthInfo.Used to ensure freshness/no
* replay. Incremented during each "Write" access.
*/
UINT64 MonotonicCount;
/*
* Provides the authorization for the variable access. It is a
* signature across the variable data and the Monotonic Count value.
* Caller uses Private key that is associated with a public key that
* has been provisioned via the key exchange.
*/
WIN_CERTIFICATE_UEFI_GUID AuthInfo;
} EFI_VARIABLE_AUTHENTICATION;
///
/// When the attribute EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS is
/// set, then the Data buffer shall begin with an instance of a complete (and serialized)
/// EFI_VARIABLE_AUTHENTICATION_2 descriptor. The descriptor shall be followed by the new
/// variable value and DataSize shall reflect the combined size of the descriptor and the new
/// variable value. The authentication descriptor is not part of the variable data and is not
/// returned by subsequent calls to GetVariable().
///
/*
* When the attribute EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS is
* set, then the Data buffer shall begin with an instance of a complete (and
* serialized) EFI_VARIABLE_AUTHENTICATION_2 descriptor. The descriptor shall
* be followed by the new variable value and DataSize shall reflect the
* combined size of the descriptor and the new variable value. The
* authentication descriptor is not part of the variable data and is not
* returned by subsequent calls to GetVariable().
*/
typedef struct {
///
/// For the TimeStamp value, components Pad1, Nanosecond, TimeZone, Daylight and
/// Pad2 shall be set to 0. This means that the time shall always be expressed in GMT.
///
EFI_TIME TimeStamp;
///
/// Only a CertType of EFI_CERT_TYPE_PKCS7_GUID is accepted.
///
WIN_CERTIFICATE_UEFI_GUID AuthInfo;
} EFI_VARIABLE_AUTHENTICATION_2;
/*
* For the TimeStamp value, components Pad1, Nanosecond, TimeZone,
* Daylight and Pad2 shall be set to 0. This means that the time
* shall always be expressed in GMT.
*/
EFI_TIME TimeStamp;
/*
* Only a CertType of EFI_CERT_TYPE_PKCS7_GUID is accepted.
*/
WIN_CERTIFICATE_UEFI_GUID AuthInfo;
} EFI_VARIABLE_AUTHENTICATION_2;
///
/// Size of AuthInfo prior to the data payload.
///
/*
* Size of AuthInfo prior to the data payload.
*/
#define AUTHINFO_SIZE ((OFFSET_OF (EFI_VARIABLE_AUTHENTICATION, AuthInfo)) + \
(OFFSET_OF (WIN_CERTIFICATE_UEFI_GUID, CertData)) + \
sizeof (EFI_CERT_BLOCK_RSA_2048_SHA256))