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/** @file
AES Wrapper Implementation which does not provide real capabilities.
Copyright (c) 2012 - 2018, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include "InternalCryptLib.h"
/**
Retrieves the size, in bytes, of the context buffer required for AES operations.
Return zero to indicate this interface is not supported.
@retval 0 This interface is not supported.
**/
UINTN
EFIAPI
AesGetContextSize (
VOID
)
{
ASSERT (FALSE);
return 0;
}
/**
Initializes user-supplied memory as AES context for subsequent use.
Return FALSE to indicate this interface is not supported.
@param[out] AesContext Pointer to AES context being initialized.
@param[in] Key Pointer to the user-supplied AES key.
@param[in] KeyLength Length of AES key in bits.
@retval FALSE This interface is not supported.
**/
BOOLEAN
EFIAPI
AesInit (
OUT VOID *AesContext,
IN CONST UINT8 *Key,
IN UINTN KeyLength
)
{
ASSERT (FALSE);
return FALSE;
}
/**
Performs AES encryption on a data buffer of the specified size in CBC mode.
Return FALSE to indicate this interface is not supported.
@param[in] AesContext Pointer to the AES context.
@param[in] Input Pointer to the buffer containing the data to be encrypted.
@param[in] InputSize Size of the Input buffer in bytes.
@param[in] Ivec Pointer to initialization vector.
@param[out] Output Pointer to a buffer that receives the AES encryption output.
@retval FALSE This interface is not supported.
**/
BOOLEAN
EFIAPI
AesCbcEncrypt (
IN VOID *AesContext,
IN CONST UINT8 *Input,
IN UINTN InputSize,
IN CONST UINT8 *Ivec,
OUT UINT8 *Output
)
{
ASSERT (FALSE);
return FALSE;
}
/**
Performs AES decryption on a data buffer of the specified size in CBC mode.
Return FALSE to indicate this interface is not supported.
@param[in] AesContext Pointer to the AES context.
@param[in] Input Pointer to the buffer containing the data to be encrypted.
@param[in] InputSize Size of the Input buffer in bytes.
@param[in] Ivec Pointer to initialization vector.
@param[out] Output Pointer to a buffer that receives the AES encryption output.
@retval FALSE This interface is not supported.
**/
BOOLEAN
EFIAPI
AesCbcDecrypt (
IN VOID *AesContext,
IN CONST UINT8 *Input,
IN UINTN InputSize,
IN CONST UINT8 *Ivec,
OUT UINT8 *Output
)
{
ASSERT (FALSE);
return FALSE;
}
/**
Performs AES encryption on single block (AES_BLOCK_SIZE)
This function performs AES encryption on single block pointed by Input.
Caller must perform padding, if necessary, to ensure single block size.
AesContext should be already correctly initialized by AesInit().
Behavior with invalid AES context is undefined.
If AesContext is NULL, then return FALSE.
If Input is NULL, then return FALSE.
If Output is NULL, then return FALSE.
@param[in] AesContext Pointer to the AES context.
@param[in] Input Pointer to the buffer containing single block data
@param[out] Output Pointer to a buffer that receives the AES encryption output.
@retval TRUE AES encryption succeeded.
@retval FALSE AES encryption failed.
**/
BOOLEAN
EFIAPI
AesEncrypt (
IN VOID *AesContext,
IN CONST UINT8 *Input,
OUT UINT8 *Output
)
{
ASSERT (FALSE);
return FALSE;
}
/**
Performs AES decryption on single block (AES_BLOCK_SIZE)
This function performs AES decryption on single block pointed by Input.
Caller must perform padding, if necessary, to ensure single block size.
AesContext should be already correctly initialized by AesInit().
Behavior with invalid AES context is undefined.
If AesContext is NULL, then return FALSE.
If Input is NULL, then return FALSE.
If Output is NULL, then return FALSE.
@param[in] AesContext Pointer to the AES context.
@param[in] Input Pointer to the buffer containing single block encrpyted data.
@param[out] Output Pointer to a buffer that receives the AES decryption output.
@retval TRUE AES decryption succeeded.
@retval FALSE AES decryption failed.
**/
BOOLEAN
EFIAPI
AesDecrypt (
IN VOID *AesContext,
IN CONST UINT8 *Input,
OUT UINT8 *Output
)
{
ASSERT (FALSE);
return FALSE;
}
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