/** @file
The Smart Card Edge Protocol provides an abstraction for device to provide Smart
Card support.
This protocol allows UEFI applications to interface with a Smart Card during
boot process for authentication or data signing/decryption, especially if the
application has to make use of PKI.
Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#ifndef __SMART_CARD_EDGE_H__
#define __SMART_CARD_EDGE_H__
#define EFI_SMART_CARD_EDGE_PROTOCOL_GUID \
{ \
0xd317f29b, 0xa325, 0x4712, {0x9b, 0xf1, 0xc6, 0x19, 0x54, 0xdc, 0x19, 0x8c} \
}
typedef struct _EFI_SMART_CARD_EDGE_PROTOCOL EFI_SMART_CARD_EDGE_PROTOCOL;
//
// Maximum size for a Smart Card AID (Application IDentifier)
//
#define SCARD_AID_MAXSIZE 0x0010
//
// Size of CSN (Card Serial Number)
//
#define SCARD_CSN_SIZE 0x0010
//
// Current specification version 1.00
//
#define SMART_CARD_EDGE_PROTOCOL_VERSION_1 0x00000100
//
// Parameters type definition
//
typedef UINT8 SMART_CARD_AID[SCARD_AID_MAXSIZE];
typedef UINT8 SMART_CARD_CSN[SCARD_CSN_SIZE];
//
// Type of data elements in credentials list
//
// value of tag field for header, the number of containers
//
#define SC_EDGE_TAG_HEADER 0x0000
//
// value of tag field for certificate
//
#define SC_EDGE_TAG_CERT 0x0001
//
// value of tag field for key index associated with certificate
//
#define SC_EDGE_TAG_KEY_ID 0x0002
//
// value of tag field for key type
//
#define SC_EDGE_TAG_KEY_TYPE 0x0003
//
// value of tag field for key size
//
#define SC_EDGE_TAG_KEY_SIZE 0x0004
//
// Length of L fields of TLV items
//
//
// size of L field for header
//
#define SC_EDGE_L_SIZE_HEADER 1
//
// size of L field for certificate (big endian)
//
#define SC_EDGE_L_SIZE_CERT 2
//
// size of L field for key index
//
#define SC_EDGE_L_SIZE_KEY_ID 1
//
// size of L field for key type
//
#define SC_EDGE_L_SIZE_KEY_TYPE 1
//
// size of L field for key size (big endian)
//
#define SC_EDGE_L_SIZE_KEY_SIZE 2
//
// Some TLV items have a fixed value for L field
//
// value of L field for header
//
#define SC_EDGE_L_VALUE_HEADER 1
//
// value of L field for key index
//
#define SC_EDGE_L_VALUE_KEY_ID 1
//
// value of L field for key type
//
#define SC_EDGE_L_VALUE_KEY_TYPE 1
//
// value of L field for key size
//
#define SC_EDGE_L_VALUE_KEY_SIZE 2
//
// Possible values for key type
//
//
// RSA decryption
//
#define SC_EDGE_RSA_EXCHANGE 0x01
//
// RSA signature
//
#define SC_EDGE_RSA_SIGNATURE 0x02
//
// ECDSA signature
//
#define SC_EDGE_ECDSA_256 0x03
//
// ECDSA signature
//
#define SC_EDGE_ECDSA_384 0x04
//
// ECDSA signature
//
#define SC_EDGE_ECDSA_521 0x05
//
// ECDH agreement
//
#define SC_EDGE_ECDH_256 0x06
//
// ECDH agreement
//
#define SC_EDGE_ECDH_384 0x07
//
// ECDH agreement
//
#define SC_EDGE_ECDH_521 0x08
//
// Padding methods GUIDs for signature
//
//
// RSASSA- PKCS#1-V1.5 padding method, for signature
//
#define EFI_PADDING_RSASSA_PKCS1V1P5_GUID \
{ \
0x9317ec24, 0x7cb0, 0x4d0e, {0x8b, 0x32, 0x2e, 0xd9, 0x20, 0x9c, 0xd8, 0xaf} \
}
extern EFI_GUID gEfiPaddingRsassaPkcs1V1P5Guid;
//
// RSASSA-PSS padding method, for signature
//
#define EFI_PADDING_RSASSA_PSS_GUID \
{ \
0x7b2349e0, 0x522d, 0x4f8e, {0xb9, 0x27, 0x69, 0xd9, 0x7c, 0x9e, 0x79, 0x5f} \
}
extern EFI_GUID gEfiPaddingRsassaPssGuid;
//
// Padding methods GUIDs for decryption
//
//
// No padding, for decryption
//
#define EFI_PADDING_NONE_GUID \
{ \
0x3629ddb1, 0x228c, 0x452e, {0xb6, 0x16, 0x09, 0xed, 0x31, 0x6a, 0x97, 0x00} \
}
extern EFI_GUID gEfiPaddingNoneGuid;
//
// RSAES-PKCS#1-V1.5 padding, for decryption
//
#define EFI_PADDING_RSAES_PKCS1V1P5_GUID \
{ \
0xe1c1d0a9, 0x40b1, 0x4632, {0xbd, 0xcc, 0xd9, 0xd6, 0xe5, 0x29, 0x56, 0x31} \
}
extern EFI_GUID gEfiPaddingRsaesPkcs1V1P5Guid;
//
// RSAES-OAEP padding, for decryption
//
#define EFI_PADDING_RSAES_OAEP_GUID \
{ \
0xc1e63ac4, 0xd0cf, 0x4ce6, {0x83, 0x5b, 0xee, 0xd0, 0xe6, 0xa8, 0xa4, 0x5b} \
}
extern EFI_GUID gEfiPaddingRsaesOaepGuid;
/**
This function retrieves the context driver.
The GetContextfunction returns the context of the protocol, the application
identifiers supported by the protocol and the number and the CSN unique identifier
of Smart Cards that are present and supported by protocol.
If AidTableSize, AidTable, CsnTableSize, CsnTable or VersionProtocol is NULL,
the function does not fail but does not fill in such variables.
In case AidTableSize indicates a buffer too small to hold all the protocol AID table,
only the first AidTableSize items of the table are returned in AidTable.
In case CsnTableSize indicates a buffer too small to hold the entire table of
Smart Card CSN present, only the first CsnTableSize items of the table are returned
in CsnTable.
VersionScEdgeProtocol returns the version of the EFI_SMART_CARD_EDGE_PROTOCOL this
driver uses. For this protocol specification value is SMART_CARD_EDGE_PROTOCOL_VERSION_1.
In case of Smart Card removal the internal CSN list is immediately updated, even if
a connection is opened with that Smart Card.
@param[in] This Indicates a pointer to the calling context.
@param[out] NumberAidSupported Number of AIDs this protocol supports.
@param[in, out] AidTableSize On input, number of items allocated for the
AID table. On output, number of items returned
by protocol.
@param[out] AidTable Table of the AIDs supported by the protocol.
@param[out] NumberSCPresent Number of currently present Smart Cards that
are supported by protocol.
@param[in, out] CsnTableSize On input, the number of items the buffer CSN
table can contain. On output, the number of
items returned by the protocol.
@param[out] CsnTable Table of the CSN of the Smart Card present and
supported by protocol.
@param[out] VersionScEdgeProtocol EFI_SMART_CARD_EDGE_PROTOCOL version.
@retval EFI_SUCCESS The requested command completed successfully.
@retval EFI_INVALID_PARAMETER This is NULL.
@retval EFI_INVALID_PARAMETER NumberSCPresent is NULL.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_SMART_CARD_EDGE_GET_CONTEXT) (
IN EFI_SMART_CARD_EDGE_PROTOCOL *This,
OUT UINTN *NumberAidSupported,
IN OUT UINTN *AidTableSize OPTIONAL,
OUT SMART_CARD_AID *AidTable OPTIONAL,
OUT UINTN *NumberSCPresent,
IN OUT UINTN *CsnTableSize OPTIONAL,
OUT SMART_CARD_CSN *CsnTable OPTIONAL,
OUT UINT32 *VersionScEdgeProtocol OPTIONAL
);
/**
This function establish a connection with a Smart Card the protocol support.
In case of success the SCardHandle can be used.
If the ScardCsn is NULL the connection is established with the first Smart Card
the protocol finds in its table of Smart Card present and supported. Else it
establish context with the Smart Card whose CSN given by ScardCsn.
If ScardAid is not NULL the function returns the Smart Card AID the protocol supports.
After a successful connect the SCardHandle will remain existing even in case Smart Card
removed from Smart Card reader, but all function invoking this SCardHandle will fail.
SCardHandle is released only on Disconnect.
@param[in] This Indicates a pointer to the calling context.
@param[out] SCardHandle Handle on Smart Card connection.
@param[in] ScardCsn CSN of the Smart Card the connection has to be
established.
@param[out] ScardAid AID of the Smart Card the connection has been
established.
@retval EFI_SUCCESS The requested command completed successfully.
@retval EFI_INVALID_PARAMETER This is NULL.
@retval EFI_INVALID_PARAMETER SCardHandle is NULL.
@retval EFI_NO_MEDIA No Smart Card supported by protocol is present,
Smart Card with CSN ScardCsn or Reader has been
removed. A Disconnect should be performed.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_SMART_CARD_EDGE_CONNECT) (
IN EFI_SMART_CARD_EDGE_PROTOCOL *This,
OUT EFI_HANDLE *SCardHandle,
IN UINT8 *ScardCsn OPTIONAL,
OUT UINT8 *ScardAid OPTIONAL
);
/**
This function releases a connection previously established by Connect.
The Disconnect function releases the connection previously established by
a Connect. In case the Smart Card or the Smart Card reader has been removed
before this call, this function returns EFI_SUCCESS.
@param[in] This Indicates a pointer to the calling context.
@param[in] SCardHandle Handle on Smart Card connection to release.
@retval EFI_SUCCESS The requested command completed successfully.
@retval EFI_INVALID_PARAMETER This is NULL.
@retval EFI_INVALID_PARAMETER No connection for SCardHandle value.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_SMART_CARD_EDGE_DISCONNECT) (
IN EFI_SMART_CARD_EDGE_PROTOCOL *This,
IN EFI_HANDLE SCardHandle
);
/**
This function returns the Smart Card serial number.
@param[in] This Indicates a pointer to the calling context.
@param[in] SCardHandle Handle on Smart Card connection.
@param[out] Csn The Card Serial number, 16 bytes array.
@retval EFI_SUCCESS The requested command completed successfully.
@retval EFI_INVALID_PARAMETER This is NULL.
@retval EFI_INVALID_PARAMETER No connection for SCardHandle value.
@retval EFI_NO_MEDIA Smart Card or Reader of SCardHandle connection
has been removed. A Disconnect should be performed.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_SMART_CARD_EDGE_GET_CSN) (
IN EFI_SMART_CARD_EDGE_PROTOCOL *This,
IN EFI_HANDLE SCardHandle,
OUT UINT8 Csn[SCARD_CSN_SIZE]
);
/**
This function returns the name of the Smart Card reader used for this connection.
@param[in] This Indicates a pointer to the calling context.
@param[in] SCardHandle Handle on Smart Card connection.
@param[in, out] ReaderNameLength On input, a pointer to the variable that holds
the maximal size, in bytes, of ReaderName.
On output, the required size, in bytes, for ReaderName.
@param[out] ReaderName A pointer to a NULL terminated string that will
contain the reader name.
@retval EFI_SUCCESS The requested command completed successfully.
@retval EFI_INVALID_PARAMETER This is NULL.
@retval EFI_INVALID_PARAMETER No connection for SCardHandle value.
@retval EFI_INVALID_PARAMETER ReaderNameLength is NULL.
@retval EFI_NO_MEDIA Smart Card or Reader of SCardHandle connection
has been removed. A Disconnect should be performed.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_SMART_CARD_EDGE_GET_READER_NAME) (
IN EFI_SMART_CARD_EDGE_PROTOCOL *This,
IN EFI_HANDLE SCardHandle,
IN OUT UINTN *ReaderNameLength,
OUT CHAR16 *ReaderName OPTIONAL
);
/**
This function authenticates a Smart Card user by presenting a PIN code.
The VerifyPinfunction presents a PIN code to the Smart Card.
If Smart Card found the PIN code correct the user is considered authenticated
to current application, and the function returns TRUE.
Negative or null PinSize value rejected if PinCodeis not NULL.
A NULL PinCodebuffer means the application didn't know the PIN, in that case:
- If PinSize value is negative the caller only wants to know if the current
chain of the elements Smart Card Edge protocol, Smart Card Reader protocol
and Smart Card Reader supports the Secure Pin Entry PCSC V2 functionality.
- If PinSize value is positive or null the caller ask to perform the verify
PIN using the Secure PIN Entry functionality.
In PinCode buffer, the PIN value is always given in plaintext, in case of secure
messaging the SMART_CARD_EDGE_PROTOCOL will be in charge of all intermediate
treatments to build the correct Smart Card APDU.
@param[in] This Indicates a pointer to the calling context.
@param[in] SCardHandle Handle on Smart Card connection.
@param[in] PinSize PIN code buffer size.
@param[in] PinCode PIN code to present to the Smart Card.
@param[out] PinResult Result of PIN code presentation to the Smart Card.
TRUE when Smard Card founds the PIN code correct.
@param[out] RemainingAttempts Number of attempts still possible.
@retval EFI_SUCCESS The requested command completed successfully.
@retval EFI_UNSUPPORTED Pinsize < 0 and Secure PIN Entry functionality not
supported.
@retval EFI_INVALID_PARAMETER This is NULL.
@retval EFI_INVALID_PARAMETER No connection for SCardHandle value.
@retval EFI_INVALID_PARAMETER Bad value for PinSize: value not supported by Smart
Card or, negative with PinCode not null.
@retval EFI_INVALID_PARAMETER PinResult is NULL.
@retval EFI_NO_MEDIA Smart Card or Reader of SCardHandle connection
has been removed. A Disconnect should be performed.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_SMART_CARD_EDGE_VERIFY_PIN) (
IN EFI_SMART_CARD_EDGE_PROTOCOL *This,
IN EFI_HANDLE SCardHandle,
IN INT32 PinSize,
IN UINT8 *PinCode,
OUT BOOLEAN *PinResult,
OUT UINT32 *RemainingAttempts OPTIONAL
);
/**
This function gives the remaining number of attempts for PIN code presentation.
The number of attempts to present a correct PIN is limited and depends on Smart
Card and on PIN.
This function will retrieve the number of remaining possible attempts.
@param[in] This Indicates a pointer to the calling context.
@param[in] SCardHandle Handle on Smart Card connection.
@param[out] RemainingAttempts Number of attempts still possible.
@retval EFI_SUCCESS The requested command completed successfully.
@retval EFI_INVALID_PARAMETER This is NULL.
@retval EFI_INVALID_PARAMETER No connection for SCardHandle value.
@retval EFI_INVALID_PARAMETER RemainingAttempts is NULL.
@retval EFI_NO_MEDIA Smart Card or Reader of SCardHandle connection
has been removed. A Disconnect should be performed.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_SMART_CARD_EDGE_GET_PIN_REMAINING) (
IN EFI_SMART_CARD_EDGE_PROTOCOL *This,
IN EFI_HANDLE SCardHandle,
OUT UINT32 *RemainingAttempts
);
/**
This function returns a specific data from Smart Card.
The function is generic for any kind of data, but driver and application must
share an EFI_GUID that identify the data.
@param[in] This Indicates a pointer to the calling context.
@param[in] SCardHandle Handle on Smart Card connection.
@param[in] DataId The type identifier of the data to get.
@param[in, out] DataSize On input, in bytes, the size of Data. On output,
in bytes, the size of buffer required to store
the specified data.
@param[out] Data The data buffer in which the data is returned.
The type of the data buffer is associated with
the DataId. Ignored if *DataSize is 0.
@retval EFI_SUCCESS The requested command completed successfully.
@retval EFI_INVALID_PARAMETER This is NULL.
@retval EFI_INVALID_PARAMETER No connection for SCardHandle value.
@retval EFI_INVALID_PARAMETER DataId is NULL.
@retval EFI_INVALID_PARAMETER DataSize is NULL.
@retval EFI_INVALID_PARAMETER Data is NULL, and *DataSize is not zero.
@retval EFI_NOT_FOUND DataId unknown for this driver.
@retval EFI_BUFFER_TOO_SMALL The size of Data is too small for the specified
data and the required size is returned in DataSize.
@retval EFI_ACCESS_DENIED Operation not performed, conditions not fulfilled.
PIN not verified.
@retval EFI_NO_MEDIA Smart Card or Reader of SCardHandle connection
has been removed. A Disconnect should be performed.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_SMART_CARD_EDGE_GET_DATA) (
IN EFI_SMART_CARD_EDGE_PROTOCOL *This,
IN EFI_HANDLE SCardHandle,
IN EFI_GUID *DataId,
IN OUT UINTN *DataSize,
OUT VOID *Data OPTIONAL
);
/**
This function retrieve credentials store into the Smart Card.
The function returns a series of items in TLV (Tag Length Value) format.
First TLV item is the header item that gives the number of following
containers (0x00, 0x01, Nb containers).
All these containers are a series of 4 TLV items:
- The certificate item (0x01, certificate size, certificate)
- The Key identifier item (0x02, 0x01, key index)
- The key type item (0x03, 0x01, key type)
- The key size item (0x04, 0x02, key size), key size in number of bits.
Numeric multi-bytes values are on big endian format, most significant byte first:
- The L field value for certificate (2 bytes)
- The L field value for key size (2 bytes)
- The value field for key size (2 bytes)
@param[in] This Indicates a pointer to the calling context.
@param[in] SCardHandle Handle on Smart Card connection.
@param[in, out] CredentialSize On input, in bytes, the size of buffer to store
the list of credential.
On output, in bytes, the size of buffer required
to store the entire list of credentials.
@param[out] CredentialList List of credentials stored into the Smart Card.
A list of TLV (Tag Length Value) elements organized
in containers array.
@retval EFI_SUCCESS The requested command completed successfully.
@retval EFI_INVALID_PARAMETER This is NULL.
@retval EFI_INVALID_PARAMETER No connection for SCardHandle value.
@retval EFI_INVALID_PARAMETER CredentialSize is NULL.
@retval EFI_INVALID_PARAMETER CredentialList is NULL, if CredentialSize is not zero.
@retval EFI_BUFFER_TOO_SMALL The size of CredentialList is too small for the
specified data and the required size is returned in
CredentialSize.
@retval EFI_NO_MEDIA Smart Card or Reader of SCardHandle connection
has been removed. A Disconnect should be performed.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_SMART_CARD_EDGE_GET_CREDENTIAL) (
IN EFI_SMART_CARD_EDGE_PROTOCOL *This,
IN EFI_HANDLE SCardHandle,
IN OUT UINTN *CredentialSize,
OUT UINT8 *CredentialList OPTIONAL
);
/**
This function signs an already hashed data with a Smart Card private key.
This function signs data, actually it is the hash of these data that is given
to the function.
SignatureData buffer shall be big enough for signature. Signature size is
function key size and key type.
@param[in] This Indicates a pointer to the calling context.
@param[in] SCardHandle Handle on Smart Card connection.
@param[in] KeyId Identifier of the key container, retrieved
in a key index item of credentials.
@param[in] KeyType The key type, retrieved in a key type item of
credentials.
@param[in] HashAlgorithm Hash algorithm used to hash the, one of:
- EFI_HASH_ALGORITHM_SHA1_GUID
- EFI_HASH_ALGORITHM_SHA256_GUID
- EFI_HASH_ALGORITHM_SHA384_GUID
- EFI_HASH_ALGORITHM_SHA512_GUID
@param[in] PaddingMethod Padding method used jointly with hash algorithm,
one of:
- EFI_PADDING_RSASSA_PKCS1V1P5_GUID
- EFI_PADDING_RSASSA_PSS_GUID
@param[in] HashedData Hash of the data to sign. Size is function of the
HashAlgorithm.
@param[out] SignatureData Resulting signature with private key KeyId. Size
is function of the KeyType and key size retrieved
in the associated key size item of credentials.
@retval EFI_SUCCESS The requested command completed successfully.
@retval EFI_INVALID_PARAMETER This is NULL.
@retval EFI_INVALID_PARAMETER No connection for SCardHandle value.
@retval EFI_INVALID_PARAMETER KeyId is not valid.
@retval EFI_INVALID_PARAMETER KeyType is not valid or not corresponding to KeyId.
@retval EFI_INVALID_PARAMETER HashAlgorithm is NULL.
@retval EFI_INVALID_PARAMETER HashAlgorithm is not valid.
@retval EFI_INVALID_PARAMETER PaddingMethod is NULL.
@retval EFI_INVALID_PARAMETER PaddingMethod is not valid.
@retval EFI_INVALID_PARAMETER HashedData is NULL.
@retval EFI_INVALID_PARAMETER SignatureData is NULL.
@retval EFI_ACCESS_DENIED Operation not performed, conditions not fulfilled.
PIN not verified.
@retval EFI_NO_MEDIA Smart Card or Reader of SCardHandle connection
has been removed. A Disconnect should be performed.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_SMART_CARD_EDGE_SIGN_DATA) (
IN EFI_SMART_CARD_EDGE_PROTOCOL *This,
IN EFI_HANDLE SCardHandle,
IN UINTN KeyId,
IN UINTN KeyType,
IN EFI_GUID *HashAlgorithm,
IN EFI_GUID *PaddingMethod,
IN UINT8 *HashedData,
OUT UINT8 *SignatureData
);
/**
This function decrypts data with a PKI/RSA Smart Card private key.
The function decrypts some PKI/RSA encrypted data with private key securely
stored into the Smart Card.
The KeyId must reference a key of type SC_EDGE_RSA_EXCHANGE.
@param[in] This Indicates a pointer to the calling context.
@param[in] SCardHandle Handle on Smart Card connection.
@param[in] KeyId Identifier of the key container, retrieved
in a key index item of credentials.
@param[in] HashAlgorithm Hash algorithm used to hash the, one of:
- EFI_HASH_ALGORITHM_SHA1_GUID
- EFI_HASH_ALGORITHM_SHA256_GUID
- EFI_HASH_ALGORITHM_SHA384_GUID
- EFI_HASH_ALGORITHM_SHA512_GUID
@param[in] PaddingMethod Padding method used jointly with hash algorithm,
one of:
- EFI_PADDING_NONE_GUID
- EFI_PADDING_RSAES_PKCS1V1P5_GUID
- EFI_PADDING_RSAES_OAEP_GUID
@param[in] EncryptedSize Size of data to decrypt.
@param[in] EncryptedData Data to decrypt
@param[in, out] PlaintextSize On input, in bytes, the size of buffer to store
the decrypted data.
On output, in bytes, the size of buffer required
to store the decrypted data.
@param[out] PlaintextData Buffer for decrypted data, padding removed.
@retval EFI_SUCCESS The requested command completed successfully.
@retval EFI_INVALID_PARAMETER This is NULL.
@retval EFI_INVALID_PARAMETER No connection for SCardHandle value.
@retval EFI_INVALID_PARAMETER KeyId is not valid or associated key not of type
SC_EDGE_RSA_EXCHANGE.
@retval EFI_INVALID_PARAMETER HashAlgorithm is NULL.
@retval EFI_INVALID_PARAMETER HashAlgorithm is not valid.
@retval EFI_INVALID_PARAMETER PaddingMethod is NULL.
@retval EFI_INVALID_PARAMETER PaddingMethod is not valid.
@retval EFI_INVALID_PARAMETER EncryptedSize is 0.
@retval EFI_INVALID_PARAMETER EncryptedData is NULL.
@retval EFI_INVALID_PARAMETER PlaintextSize is NULL.
@retval EFI_INVALID_PARAMETER PlaintextData is NULL.
@retval EFI_ACCESS_DENIED Operation not performed, conditions not fulfilled.
PIN not verified.
@retval EFI_BUFFER_TOO_SMALL PlaintextSize is too small for the plaintext data
and the required size is returned in PlaintextSize.
@retval EFI_NO_MEDIA Smart Card or Reader of SCardHandle connection
has been removed. A Disconnect should be performed.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_SMART_CARD_EDGE_DECRYPT_DATA) (
IN EFI_SMART_CARD_EDGE_PROTOCOL *This,
IN EFI_HANDLE SCardHandle,
IN UINTN KeyId,
IN EFI_GUID *HashAlgorithm,
IN EFI_GUID *PaddingMethod,
IN UINTN EncryptedSize,
IN UINT8 *EncryptedData,
IN OUT UINTN *PlaintextSize,
OUT UINT8 *PlaintextData
);
/**
This function performs a secret Diffie Hellman agreement calculation that would
be used to derive a symmetric encryption / decryption key.
The function compute a DH agreement that should be diversified togenerate a symmetric
key to proceed encryption or decryption.
The application and the Smart Card shall agree on the diversification process.
The KeyId must reference a key of one of the types: SC_EDGE_ECDH_256, SC_EDGE_ECDH_384
or SC_EDGE_ECDH_521.
@param[in] This Indicates a pointer to the calling context.
@param[in] SCardHandle Handle on Smart Card connection.
@param[in] KeyId Identifier of the key container, retrieved
in a key index item of credentials.
@param[in] dataQx Public key x coordinate. Size is the same as
key size for KeyId. Stored in big endian format.
@param[in] dataQy Public key y coordinate. Size is the same as
key size for KeyId. Stored in big endian format.
@param[out] DHAgreement Buffer for DH agreement computed. Size must be
bigger or equal to key size for KeyId.
@retval EFI_SUCCESS The requested command completed successfully.
@retval EFI_INVALID_PARAMETER This is NULL.
@retval EFI_INVALID_PARAMETER No connection for SCardHandle value.
@retval EFI_INVALID_PARAMETER KeyId is not valid.
@retval EFI_INVALID_PARAMETER dataQx is NULL.
@retval EFI_INVALID_PARAMETER dataQy is NULL.
@retval EFI_INVALID_PARAMETER DHAgreement is NULL.
@retval EFI_ACCESS_DENIED Operation not performed, conditions not fulfilled.
PIN not verified.
@retval EFI_NO_MEDIA Smart Card or Reader of SCardHandle connection
has been removed. A Disconnect should be performed.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_SMART_CARD_EDGE_BUILD_DH_AGREEMENT) (
IN EFI_SMART_CARD_EDGE_PROTOCOL *This,
IN EFI_HANDLE SCardHandle,
IN UINTN KeyId,
IN UINT8 *dataQx,
IN UINT8 *dataQy,
OUT UINT8 *DHAgreement
);
///
/// Smart card aware application invokes this protocol to get access to an inserted
/// smart card in the reader or to the reader itself.
///
struct _EFI_SMART_CARD_EDGE_PROTOCOL {
EFI_SMART_CARD_EDGE_GET_CONTEXT GetContext;
EFI_SMART_CARD_EDGE_CONNECT Connect;
EFI_SMART_CARD_EDGE_DISCONNECT Disconnect;
EFI_SMART_CARD_EDGE_GET_CSN GetCsn;
EFI_SMART_CARD_EDGE_GET_READER_NAME GetReaderName;
EFI_SMART_CARD_EDGE_VERIFY_PIN VerifyPin;
EFI_SMART_CARD_EDGE_GET_PIN_REMAINING GetPinRemaining;
EFI_SMART_CARD_EDGE_GET_DATA GetData;
EFI_SMART_CARD_EDGE_GET_CREDENTIAL GetCredential;
EFI_SMART_CARD_EDGE_SIGN_DATA SignData;
EFI_SMART_CARD_EDGE_DECRYPT_DATA DecryptData;
EFI_SMART_CARD_EDGE_BUILD_DH_AGREEMENT BuildDHAgreement;
};
extern EFI_GUID gEfiSmartCardEdgeProtocolGuid;
#endif