audk/CryptoPkg/Library/BaseCryptLibRuntimeCryptProtocol/Cipher/CryptAesNull.c

/** @file
  AES Wrapper Implementation which does not provide real capabilities.  
  
Copyright (c) 2012, 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.

**/

#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 ECB 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[out]  Output      Pointer to a buffer that receives the AES encryption output.
  
  @retval FALSE  This interface is not supported.

**/
BOOLEAN
EFIAPI
AesEcbEncrypt (
  IN   VOID         *AesContext,
  IN   CONST UINT8  *Input,
  IN   UINTN        InputSize,
  OUT  UINT8        *Output
  )
{
  ASSERT (FALSE);
  return FALSE;
}

/**
  Performs AES decryption on a data buffer of the specified size in ECB 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 decrypted.
  @param[in]   InputSize   Size of the Input buffer in bytes.
  @param[out]  Output      Pointer to a buffer that receives the AES decryption output.

  @retval FALSE  This interface is not supported.

**/
BOOLEAN
EFIAPI
AesEcbDecrypt (
  IN   VOID         *AesContext,
  IN   CONST UINT8  *Input,
  IN   UINTN        InputSize,
  OUT  UINT8        *Output
  )
{
  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;
}